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Diffstat (limited to 'pyload/lib')
111 files changed, 39472 insertions, 0 deletions
diff --git a/pyload/lib/BeautifulSoup.py b/pyload/lib/BeautifulSoup.py new file mode 100644 index 000000000..7278215ca --- /dev/null +++ b/pyload/lib/BeautifulSoup.py @@ -0,0 +1,2017 @@ +"""Beautiful Soup +Elixir and Tonic +"The Screen-Scraper's Friend" +http://www.crummy.com/software/BeautifulSoup/ + +Beautiful Soup parses a (possibly invalid) XML or HTML document into a +tree representation. It provides methods and Pythonic idioms that make +it easy to navigate, search, and modify the tree. + +A well-formed XML/HTML document yields a well-formed data +structure. An ill-formed XML/HTML document yields a correspondingly +ill-formed data structure. If your document is only locally +well-formed, you can use this library to find and process the +well-formed part of it. + +Beautiful Soup works with Python 2.2 and up. It has no external +dependencies, but you'll have more success at converting data to UTF-8 +if you also install these three packages: + +* chardet, for auto-detecting character encodings + http://chardet.feedparser.org/ +* cjkcodecs and iconv_codec, which add more encodings to the ones supported + by stock Python. + http://cjkpython.i18n.org/ + +Beautiful Soup defines classes for two main parsing strategies: + + * BeautifulStoneSoup, for parsing XML, SGML, or your domain-specific + language that kind of looks like XML. + + * BeautifulSoup, for parsing run-of-the-mill HTML code, be it valid + or invalid. This class has web browser-like heuristics for + obtaining a sensible parse tree in the face of common HTML errors. + +Beautiful Soup also defines a class (UnicodeDammit) for autodetecting +the encoding of an HTML or XML document, and converting it to +Unicode. Much of this code is taken from Mark Pilgrim's Universal Feed Parser. + +For more than you ever wanted to know about Beautiful Soup, see the +documentation: +http://www.crummy.com/software/BeautifulSoup/documentation.html + +Here, have some legalese: + +Copyright (c) 2004-2010, Leonard Richardson + +All rights reserved. + +Redistribution and use in source and binary forms, with or without +modification, are permitted provided that the following conditions are +met: + + * Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + + * Redistributions in binary form must reproduce the above + copyright notice, this list of conditions and the following + disclaimer in the documentation and/or other materials provided + with the distribution. + + * Neither the name of the the Beautiful Soup Consortium and All + Night Kosher Bakery nor the names of its contributors may be + used to endorse or promote products derived from this software + without specific prior written permission. + +THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR +CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, +EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, +PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR +PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF +LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING +NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS +SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE, DAMMIT. + +""" +from __future__ import generators + +__author__ = "Leonard Richardson (leonardr@segfault.org)" +__version__ = "3.2.1" +__copyright__ = "Copyright (c) 2004-2012 Leonard Richardson" +__license__ = "New-style BSD" + +from sgmllib import SGMLParser, SGMLParseError +import codecs +import markupbase +import types +import re +import sgmllib +try: + from htmlentitydefs import name2codepoint +except ImportError: + name2codepoint = {} +try: + set +except NameError: + from sets import Set as set + +#These hacks make Beautiful Soup able to parse XML with namespaces +sgmllib.tagfind = re.compile('[a-zA-Z][-_.:a-zA-Z0-9]*') +markupbase._declname_match = re.compile(r'[a-zA-Z][-_.:a-zA-Z0-9]*\s*').match + +DEFAULT_OUTPUT_ENCODING = "utf-8" + +def _match_css_class(str): + """Build a RE to match the given CSS class.""" + return re.compile(r"(^|.*\s)%s($|\s)" % str) + +# First, the classes that represent markup elements. + +class PageElement(object): + """Contains the navigational information for some part of the page + (either a tag or a piece of text)""" + + def _invert(h): + "Cheap function to invert a hash." + i = {} + for k,v in h.items(): + i[v] = k + return i + + XML_ENTITIES_TO_SPECIAL_CHARS = { "apos" : "'", + "quot" : '"', + "amp" : "&", + "lt" : "<", + "gt" : ">" } + + XML_SPECIAL_CHARS_TO_ENTITIES = _invert(XML_ENTITIES_TO_SPECIAL_CHARS) + + def setup(self, parent=None, previous=None): + """Sets up the initial relations between this element and + other elements.""" + self.parent = parent + self.previous = previous + self.next = None + self.previousSibling = None + self.nextSibling = None + if self.parent and self.parent.contents: + self.previousSibling = self.parent.contents[-1] + self.previousSibling.nextSibling = self + + def replaceWith(self, replaceWith): + oldParent = self.parent + myIndex = self.parent.index(self) + if hasattr(replaceWith, "parent")\ + and replaceWith.parent is self.parent: + # We're replacing this element with one of its siblings. + index = replaceWith.parent.index(replaceWith) + if index and index < myIndex: + # Furthermore, it comes before this element. That + # means that when we extract it, the index of this + # element will change. + myIndex = myIndex - 1 + self.extract() + oldParent.insert(myIndex, replaceWith) + + def replaceWithChildren(self): + myParent = self.parent + myIndex = self.parent.index(self) + self.extract() + reversedChildren = list(self.contents) + reversedChildren.reverse() + for child in reversedChildren: + myParent.insert(myIndex, child) + + def extract(self): + """Destructively rips this element out of the tree.""" + if self.parent: + try: + del self.parent.contents[self.parent.index(self)] + except ValueError: + pass + + #Find the two elements that would be next to each other if + #this element (and any children) hadn't been parsed. Connect + #the two. + lastChild = self._lastRecursiveChild() + nextElement = lastChild.next + + if self.previous: + self.previous.next = nextElement + if nextElement: + nextElement.previous = self.previous + self.previous = None + lastChild.next = None + + self.parent = None + if self.previousSibling: + self.previousSibling.nextSibling = self.nextSibling + if self.nextSibling: + self.nextSibling.previousSibling = self.previousSibling + self.previousSibling = self.nextSibling = None + return self + + def _lastRecursiveChild(self): + "Finds the last element beneath this object to be parsed." + lastChild = self + while hasattr(lastChild, 'contents') and lastChild.contents: + lastChild = lastChild.contents[-1] + return lastChild + + def insert(self, position, newChild): + if isinstance(newChild, basestring) \ + and not isinstance(newChild, NavigableString): + newChild = NavigableString(newChild) + + position = min(position, len(self.contents)) + if hasattr(newChild, 'parent') and newChild.parent is not None: + # We're 'inserting' an element that's already one + # of this object's children. + if newChild.parent is self: + index = self.index(newChild) + if index > position: + # Furthermore we're moving it further down the + # list of this object's children. That means that + # when we extract this element, our target index + # will jump down one. + position = position - 1 + newChild.extract() + + newChild.parent = self + previousChild = None + if position == 0: + newChild.previousSibling = None + newChild.previous = self + else: + previousChild = self.contents[position-1] + newChild.previousSibling = previousChild + newChild.previousSibling.nextSibling = newChild + newChild.previous = previousChild._lastRecursiveChild() + if newChild.previous: + newChild.previous.next = newChild + + newChildsLastElement = newChild._lastRecursiveChild() + + if position >= len(self.contents): + newChild.nextSibling = None + + parent = self + parentsNextSibling = None + while not parentsNextSibling: + parentsNextSibling = parent.nextSibling + parent = parent.parent + if not parent: # This is the last element in the document. + break + if parentsNextSibling: + newChildsLastElement.next = parentsNextSibling + else: + newChildsLastElement.next = None + else: + nextChild = self.contents[position] + newChild.nextSibling = nextChild + if newChild.nextSibling: + newChild.nextSibling.previousSibling = newChild + newChildsLastElement.next = nextChild + + if newChildsLastElement.next: + newChildsLastElement.next.previous = newChildsLastElement + self.contents.insert(position, newChild) + + def append(self, tag): + """Appends the given tag to the contents of this tag.""" + self.insert(len(self.contents), tag) + + def findNext(self, name=None, attrs={}, text=None, **kwargs): + """Returns the first item that matches the given criteria and + appears after this Tag in the document.""" + return self._findOne(self.findAllNext, name, attrs, text, **kwargs) + + def findAllNext(self, name=None, attrs={}, text=None, limit=None, + **kwargs): + """Returns all items that match the given criteria and appear + after this Tag in the document.""" + return self._findAll(name, attrs, text, limit, self.nextGenerator, + **kwargs) + + def findNextSibling(self, name=None, attrs={}, text=None, **kwargs): + """Returns the closest sibling to this Tag that matches the + given criteria and appears after this Tag in the document.""" + return self._findOne(self.findNextSiblings, name, attrs, text, + **kwargs) + + def findNextSiblings(self, name=None, attrs={}, text=None, limit=None, + **kwargs): + """Returns the siblings of this Tag that match the given + criteria and appear after this Tag in the document.""" + return self._findAll(name, attrs, text, limit, + self.nextSiblingGenerator, **kwargs) + fetchNextSiblings = findNextSiblings # Compatibility with pre-3.x + + def findPrevious(self, name=None, attrs={}, text=None, **kwargs): + """Returns the first item that matches the given criteria and + appears before this Tag in the document.""" + return self._findOne(self.findAllPrevious, name, attrs, text, **kwargs) + + def findAllPrevious(self, name=None, attrs={}, text=None, limit=None, + **kwargs): + """Returns all items that match the given criteria and appear + before this Tag in the document.""" + return self._findAll(name, attrs, text, limit, self.previousGenerator, + **kwargs) + fetchPrevious = findAllPrevious # Compatibility with pre-3.x + + def findPreviousSibling(self, name=None, attrs={}, text=None, **kwargs): + """Returns the closest sibling to this Tag that matches the + given criteria and appears before this Tag in the document.""" + return self._findOne(self.findPreviousSiblings, name, attrs, text, + **kwargs) + + def findPreviousSiblings(self, name=None, attrs={}, text=None, + limit=None, **kwargs): + """Returns the siblings of this Tag that match the given + criteria and appear before this Tag in the document.""" + return self._findAll(name, attrs, text, limit, + self.previousSiblingGenerator, **kwargs) + fetchPreviousSiblings = findPreviousSiblings # Compatibility with pre-3.x + + def findParent(self, name=None, attrs={}, **kwargs): + """Returns the closest parent of this Tag that matches the given + criteria.""" + # NOTE: We can't use _findOne because findParents takes a different + # set of arguments. + r = None + l = self.findParents(name, attrs, 1) + if l: + r = l[0] + return r + + def findParents(self, name=None, attrs={}, limit=None, **kwargs): + """Returns the parents of this Tag that match the given + criteria.""" + + return self._findAll(name, attrs, None, limit, self.parentGenerator, + **kwargs) + fetchParents = findParents # Compatibility with pre-3.x + + #These methods do the real heavy lifting. + + def _findOne(self, method, name, attrs, text, **kwargs): + r = None + l = method(name, attrs, text, 1, **kwargs) + if l: + r = l[0] + return r + + def _findAll(self, name, attrs, text, limit, generator, **kwargs): + "Iterates over a generator looking for things that match." + + if isinstance(name, SoupStrainer): + strainer = name + # (Possibly) special case some findAll*(...) searches + elif text is None and not limit and not attrs and not kwargs: + # findAll*(True) + if name is True: + return [element for element in generator() + if isinstance(element, Tag)] + # findAll*('tag-name') + elif isinstance(name, basestring): + return [element for element in generator() + if isinstance(element, Tag) and + element.name == name] + else: + strainer = SoupStrainer(name, attrs, text, **kwargs) + # Build a SoupStrainer + else: + strainer = SoupStrainer(name, attrs, text, **kwargs) + results = ResultSet(strainer) + g = generator() + while True: + try: + i = g.next() + except StopIteration: + break + if i: + found = strainer.search(i) + if found: + results.append(found) + if limit and len(results) >= limit: + break + return results + + #These Generators can be used to navigate starting from both + #NavigableStrings and Tags. + def nextGenerator(self): + i = self + while i is not None: + i = i.next + yield i + + def nextSiblingGenerator(self): + i = self + while i is not None: + i = i.nextSibling + yield i + + def previousGenerator(self): + i = self + while i is not None: + i = i.previous + yield i + + def previousSiblingGenerator(self): + i = self + while i is not None: + i = i.previousSibling + yield i + + def parentGenerator(self): + i = self + while i is not None: + i = i.parent + yield i + + # Utility methods + def substituteEncoding(self, str, encoding=None): + encoding = encoding or "utf-8" + return str.replace("%SOUP-ENCODING%", encoding) + + def toEncoding(self, s, encoding=None): + """Encodes an object to a string in some encoding, or to Unicode. + .""" + if isinstance(s, unicode): + if encoding: + s = s.encode(encoding) + elif isinstance(s, str): + if encoding: + s = s.encode(encoding) + else: + s = unicode(s) + else: + if encoding: + s = self.toEncoding(str(s), encoding) + else: + s = unicode(s) + return s + + BARE_AMPERSAND_OR_BRACKET = re.compile("([<>]|" + + "&(?!#\d+;|#x[0-9a-fA-F]+;|\w+;)" + + ")") + + def _sub_entity(self, x): + """Used with a regular expression to substitute the + appropriate XML entity for an XML special character.""" + return "&" + self.XML_SPECIAL_CHARS_TO_ENTITIES[x.group(0)[0]] + ";" + + +class NavigableString(unicode, PageElement): + + def __new__(cls, value): + """Create a new NavigableString. + + When unpickling a NavigableString, this method is called with + the string in DEFAULT_OUTPUT_ENCODING. That encoding needs to be + passed in to the superclass's __new__ or the superclass won't know + how to handle non-ASCII characters. + """ + if isinstance(value, unicode): + return unicode.__new__(cls, value) + return unicode.__new__(cls, value, DEFAULT_OUTPUT_ENCODING) + + def __getnewargs__(self): + return (NavigableString.__str__(self),) + + def __getattr__(self, attr): + """text.string gives you text. This is for backwards + compatibility for Navigable*String, but for CData* it lets you + get the string without the CData wrapper.""" + if attr == 'string': + return self + else: + raise AttributeError, "'%s' object has no attribute '%s'" % (self.__class__.__name__, attr) + + def __unicode__(self): + return str(self).decode(DEFAULT_OUTPUT_ENCODING) + + def __str__(self, encoding=DEFAULT_OUTPUT_ENCODING): + # Substitute outgoing XML entities. + data = self.BARE_AMPERSAND_OR_BRACKET.sub(self._sub_entity, self) + if encoding: + return data.encode(encoding) + else: + return data + +class CData(NavigableString): + + def __str__(self, encoding=DEFAULT_OUTPUT_ENCODING): + return "<![CDATA[%s]]>" % NavigableString.__str__(self, encoding) + +class ProcessingInstruction(NavigableString): + def __str__(self, encoding=DEFAULT_OUTPUT_ENCODING): + output = self + if "%SOUP-ENCODING%" in output: + output = self.substituteEncoding(output, encoding) + return "<?%s?>" % self.toEncoding(output, encoding) + +class Comment(NavigableString): + def __str__(self, encoding=DEFAULT_OUTPUT_ENCODING): + return "<!--%s-->" % NavigableString.__str__(self, encoding) + +class Declaration(NavigableString): + def __str__(self, encoding=DEFAULT_OUTPUT_ENCODING): + return "<!%s>" % NavigableString.__str__(self, encoding) + +class Tag(PageElement): + + """Represents a found HTML tag with its attributes and contents.""" + + def _convertEntities(self, match): + """Used in a call to re.sub to replace HTML, XML, and numeric + entities with the appropriate Unicode characters. If HTML + entities are being converted, any unrecognized entities are + escaped.""" + x = match.group(1) + if self.convertHTMLEntities and x in name2codepoint: + return unichr(name2codepoint[x]) + elif x in self.XML_ENTITIES_TO_SPECIAL_CHARS: + if self.convertXMLEntities: + return self.XML_ENTITIES_TO_SPECIAL_CHARS[x] + else: + return u'&%s;' % x + elif len(x) > 0 and x[0] == '#': + # Handle numeric entities + if len(x) > 1 and x[1] == 'x': + return unichr(int(x[2:], 16)) + else: + return unichr(int(x[1:])) + + elif self.escapeUnrecognizedEntities: + return u'&%s;' % x + else: + return u'&%s;' % x + + def __init__(self, parser, name, attrs=None, parent=None, + previous=None): + "Basic constructor." + + # We don't actually store the parser object: that lets extracted + # chunks be garbage-collected + self.parserClass = parser.__class__ + self.isSelfClosing = parser.isSelfClosingTag(name) + self.name = name + if attrs is None: + attrs = [] + elif isinstance(attrs, dict): + attrs = attrs.items() + self.attrs = attrs + self.contents = [] + self.setup(parent, previous) + self.hidden = False + self.containsSubstitutions = False + self.convertHTMLEntities = parser.convertHTMLEntities + self.convertXMLEntities = parser.convertXMLEntities + self.escapeUnrecognizedEntities = parser.escapeUnrecognizedEntities + + # Convert any HTML, XML, or numeric entities in the attribute values. + convert = lambda(k, val): (k, + re.sub("&(#\d+|#x[0-9a-fA-F]+|\w+);", + self._convertEntities, + val)) + self.attrs = map(convert, self.attrs) + + def getString(self): + if (len(self.contents) == 1 + and isinstance(self.contents[0], NavigableString)): + return self.contents[0] + + def setString(self, string): + """Replace the contents of the tag with a string""" + self.clear() + self.append(string) + + string = property(getString, setString) + + def getText(self, separator=u""): + if not len(self.contents): + return u"" + stopNode = self._lastRecursiveChild().next + strings = [] + current = self.contents[0] + while current is not stopNode: + if isinstance(current, NavigableString): + strings.append(current.strip()) + current = current.next + return separator.join(strings) + + text = property(getText) + + def get(self, key, default=None): + """Returns the value of the 'key' attribute for the tag, or + the value given for 'default' if it doesn't have that + attribute.""" + return self._getAttrMap().get(key, default) + + def clear(self): + """Extract all children.""" + for child in self.contents[:]: + child.extract() + + def index(self, element): + for i, child in enumerate(self.contents): + if child is element: + return i + raise ValueError("Tag.index: element not in tag") + + def has_key(self, key): + return self._getAttrMap().has_key(key) + + def __getitem__(self, key): + """tag[key] returns the value of the 'key' attribute for the tag, + and throws an exception if it's not there.""" + return self._getAttrMap()[key] + + def __iter__(self): + "Iterating over a tag iterates over its contents." + return iter(self.contents) + + def __len__(self): + "The length of a tag is the length of its list of contents." + return len(self.contents) + + def __contains__(self, x): + return x in self.contents + + def __nonzero__(self): + "A tag is non-None even if it has no contents." + return True + + def __setitem__(self, key, value): + """Setting tag[key] sets the value of the 'key' attribute for the + tag.""" + self._getAttrMap() + self.attrMap[key] = value + found = False + for i in range(0, len(self.attrs)): + if self.attrs[i][0] == key: + self.attrs[i] = (key, value) + found = True + if not found: + self.attrs.append((key, value)) + self._getAttrMap()[key] = value + + def __delitem__(self, key): + "Deleting tag[key] deletes all 'key' attributes for the tag." + for item in self.attrs: + if item[0] == key: + self.attrs.remove(item) + #We don't break because bad HTML can define the same + #attribute multiple times. + self._getAttrMap() + if self.attrMap.has_key(key): + del self.attrMap[key] + + def __call__(self, *args, **kwargs): + """Calling a tag like a function is the same as calling its + findAll() method. Eg. tag('a') returns a list of all the A tags + found within this tag.""" + return apply(self.findAll, args, kwargs) + + def __getattr__(self, tag): + #print "Getattr %s.%s" % (self.__class__, tag) + if len(tag) > 3 and tag.rfind('Tag') == len(tag)-3: + return self.find(tag[:-3]) + elif tag.find('__') != 0: + return self.find(tag) + raise AttributeError, "'%s' object has no attribute '%s'" % (self.__class__, tag) + + def __eq__(self, other): + """Returns true iff this tag has the same name, the same attributes, + and the same contents (recursively) as the given tag. + + NOTE: right now this will return false if two tags have the + same attributes in a different order. Should this be fixed?""" + if other is self: + return True + if not hasattr(other, 'name') or not hasattr(other, 'attrs') or not hasattr(other, 'contents') or self.name != other.name or self.attrs != other.attrs or len(self) != len(other): + return False + for i in range(0, len(self.contents)): + if self.contents[i] != other.contents[i]: + return False + return True + + def __ne__(self, other): + """Returns true iff this tag is not identical to the other tag, + as defined in __eq__.""" + return not self == other + + def __repr__(self, encoding=DEFAULT_OUTPUT_ENCODING): + """Renders this tag as a string.""" + return self.__str__(encoding) + + def __unicode__(self): + return self.__str__(None) + + def __str__(self, encoding=DEFAULT_OUTPUT_ENCODING, + prettyPrint=False, indentLevel=0): + """Returns a string or Unicode representation of this tag and + its contents. To get Unicode, pass None for encoding. + + NOTE: since Python's HTML parser consumes whitespace, this + method is not certain to reproduce the whitespace present in + the original string.""" + + encodedName = self.toEncoding(self.name, encoding) + + attrs = [] + if self.attrs: + for key, val in self.attrs: + fmt = '%s="%s"' + if isinstance(val, basestring): + if self.containsSubstitutions and '%SOUP-ENCODING%' in val: + val = self.substituteEncoding(val, encoding) + + # The attribute value either: + # + # * Contains no embedded double quotes or single quotes. + # No problem: we enclose it in double quotes. + # * Contains embedded single quotes. No problem: + # double quotes work here too. + # * Contains embedded double quotes. No problem: + # we enclose it in single quotes. + # * Embeds both single _and_ double quotes. This + # can't happen naturally, but it can happen if + # you modify an attribute value after parsing + # the document. Now we have a bit of a + # problem. We solve it by enclosing the + # attribute in single quotes, and escaping any + # embedded single quotes to XML entities. + if '"' in val: + fmt = "%s='%s'" + if "'" in val: + # TODO: replace with apos when + # appropriate. + val = val.replace("'", "&squot;") + + # Now we're okay w/r/t quotes. But the attribute + # value might also contain angle brackets, or + # ampersands that aren't part of entities. We need + # to escape those to XML entities too. + val = self.BARE_AMPERSAND_OR_BRACKET.sub(self._sub_entity, val) + + attrs.append(fmt % (self.toEncoding(key, encoding), + self.toEncoding(val, encoding))) + close = '' + closeTag = '' + if self.isSelfClosing: + close = ' /' + else: + closeTag = '</%s>' % encodedName + + indentTag, indentContents = 0, 0 + if prettyPrint: + indentTag = indentLevel + space = (' ' * (indentTag-1)) + indentContents = indentTag + 1 + contents = self.renderContents(encoding, prettyPrint, indentContents) + if self.hidden: + s = contents + else: + s = [] + attributeString = '' + if attrs: + attributeString = ' ' + ' '.join(attrs) + if prettyPrint: + s.append(space) + s.append('<%s%s%s>' % (encodedName, attributeString, close)) + if prettyPrint: + s.append("\n") + s.append(contents) + if prettyPrint and contents and contents[-1] != "\n": + s.append("\n") + if prettyPrint and closeTag: + s.append(space) + s.append(closeTag) + if prettyPrint and closeTag and self.nextSibling: + s.append("\n") + s = ''.join(s) + return s + + def decompose(self): + """Recursively destroys the contents of this tree.""" + self.extract() + if len(self.contents) == 0: + return + current = self.contents[0] + while current is not None: + next = current.next + if isinstance(current, Tag): + del current.contents[:] + current.parent = None + current.previous = None + current.previousSibling = None + current.next = None + current.nextSibling = None + current = next + + def prettify(self, encoding=DEFAULT_OUTPUT_ENCODING): + return self.__str__(encoding, True) + + def renderContents(self, encoding=DEFAULT_OUTPUT_ENCODING, + prettyPrint=False, indentLevel=0): + """Renders the contents of this tag as a string in the given + encoding. If encoding is None, returns a Unicode string..""" + s=[] + for c in self: + text = None + if isinstance(c, NavigableString): + text = c.__str__(encoding) + elif isinstance(c, Tag): + s.append(c.__str__(encoding, prettyPrint, indentLevel)) + if text and prettyPrint: + text = text.strip() + if text: + if prettyPrint: + s.append(" " * (indentLevel-1)) + s.append(text) + if prettyPrint: + s.append("\n") + return ''.join(s) + + #Soup methods + + def find(self, name=None, attrs={}, recursive=True, text=None, + **kwargs): + """Return only the first child of this Tag matching the given + criteria.""" + r = None + l = self.findAll(name, attrs, recursive, text, 1, **kwargs) + if l: + r = l[0] + return r + findChild = find + + def findAll(self, name=None, attrs={}, recursive=True, text=None, + limit=None, **kwargs): + """Extracts a list of Tag objects that match the given + criteria. You can specify the name of the Tag and any + attributes you want the Tag to have. + + The value of a key-value pair in the 'attrs' map can be a + string, a list of strings, a regular expression object, or a + callable that takes a string and returns whether or not the + string matches for some custom definition of 'matches'. The + same is true of the tag name.""" + generator = self.recursiveChildGenerator + if not recursive: + generator = self.childGenerator + return self._findAll(name, attrs, text, limit, generator, **kwargs) + findChildren = findAll + + # Pre-3.x compatibility methods + first = find + fetch = findAll + + def fetchText(self, text=None, recursive=True, limit=None): + return self.findAll(text=text, recursive=recursive, limit=limit) + + def firstText(self, text=None, recursive=True): + return self.find(text=text, recursive=recursive) + + #Private methods + + def _getAttrMap(self): + """Initializes a map representation of this tag's attributes, + if not already initialized.""" + if not getattr(self, 'attrMap'): + self.attrMap = {} + for (key, value) in self.attrs: + self.attrMap[key] = value + return self.attrMap + + #Generator methods + def childGenerator(self): + # Just use the iterator from the contents + return iter(self.contents) + + def recursiveChildGenerator(self): + if not len(self.contents): + raise StopIteration + stopNode = self._lastRecursiveChild().next + current = self.contents[0] + while current is not stopNode: + yield current + current = current.next + + +# Next, a couple classes to represent queries and their results. +class SoupStrainer: + """Encapsulates a number of ways of matching a markup element (tag or + text).""" + + def __init__(self, name=None, attrs={}, text=None, **kwargs): + self.name = name + if isinstance(attrs, basestring): + kwargs['class'] = _match_css_class(attrs) + attrs = None + if kwargs: + if attrs: + attrs = attrs.copy() + attrs.update(kwargs) + else: + attrs = kwargs + self.attrs = attrs + self.text = text + + def __str__(self): + if self.text: + return self.text + else: + return "%s|%s" % (self.name, self.attrs) + + def searchTag(self, markupName=None, markupAttrs={}): + found = None + markup = None + if isinstance(markupName, Tag): + markup = markupName + markupAttrs = markup + callFunctionWithTagData = callable(self.name) \ + and not isinstance(markupName, Tag) + + if (not self.name) \ + or callFunctionWithTagData \ + or (markup and self._matches(markup, self.name)) \ + or (not markup and self._matches(markupName, self.name)): + if callFunctionWithTagData: + match = self.name(markupName, markupAttrs) + else: + match = True + markupAttrMap = None + for attr, matchAgainst in self.attrs.items(): + if not markupAttrMap: + if hasattr(markupAttrs, 'get'): + markupAttrMap = markupAttrs + else: + markupAttrMap = {} + for k,v in markupAttrs: + markupAttrMap[k] = v + attrValue = markupAttrMap.get(attr) + if not self._matches(attrValue, matchAgainst): + match = False + break + if match: + if markup: + found = markup + else: + found = markupName + return found + + def search(self, markup): + #print 'looking for %s in %s' % (self, markup) + found = None + # If given a list of items, scan it for a text element that + # matches. + if hasattr(markup, "__iter__") \ + and not isinstance(markup, Tag): + for element in markup: + if isinstance(element, NavigableString) \ + and self.search(element): + found = element + break + # If it's a Tag, make sure its name or attributes match. + # Don't bother with Tags if we're searching for text. + elif isinstance(markup, Tag): + if not self.text: + found = self.searchTag(markup) + # If it's text, make sure the text matches. + elif isinstance(markup, NavigableString) or \ + isinstance(markup, basestring): + if self._matches(markup, self.text): + found = markup + else: + raise Exception, "I don't know how to match against a %s" \ + % markup.__class__ + return found + + def _matches(self, markup, matchAgainst): + #print "Matching %s against %s" % (markup, matchAgainst) + result = False + if matchAgainst is True: + result = markup is not None + elif callable(matchAgainst): + result = matchAgainst(markup) + else: + #Custom match methods take the tag as an argument, but all + #other ways of matching match the tag name as a string. + if isinstance(markup, Tag): + markup = markup.name + if markup and not isinstance(markup, basestring): + markup = unicode(markup) + #Now we know that chunk is either a string, or None. + if hasattr(matchAgainst, 'match'): + # It's a regexp object. + result = markup and matchAgainst.search(markup) + elif hasattr(matchAgainst, '__iter__'): # list-like + result = markup in matchAgainst + elif hasattr(matchAgainst, 'items'): + result = markup.has_key(matchAgainst) + elif matchAgainst and isinstance(markup, basestring): + if isinstance(markup, unicode): + matchAgainst = unicode(matchAgainst) + else: + matchAgainst = str(matchAgainst) + + if not result: + result = matchAgainst == markup + return result + +class ResultSet(list): + """A ResultSet is just a list that keeps track of the SoupStrainer + that created it.""" + def __init__(self, source): + list.__init__([]) + self.source = source + +# Now, some helper functions. + +def buildTagMap(default, *args): + """Turns a list of maps, lists, or scalars into a single map. + Used to build the SELF_CLOSING_TAGS, NESTABLE_TAGS, and + NESTING_RESET_TAGS maps out of lists and partial maps.""" + built = {} + for portion in args: + if hasattr(portion, 'items'): + #It's a map. Merge it. + for k,v in portion.items(): + built[k] = v + elif hasattr(portion, '__iter__'): # is a list + #It's a list. Map each item to the default. + for k in portion: + built[k] = default + else: + #It's a scalar. Map it to the default. + built[portion] = default + return built + +# Now, the parser classes. + +class BeautifulStoneSoup(Tag, SGMLParser): + + """This class contains the basic parser and search code. It defines + a parser that knows nothing about tag behavior except for the + following: + + You can't close a tag without closing all the tags it encloses. + That is, "<foo><bar></foo>" actually means + "<foo><bar></bar></foo>". + + [Another possible explanation is "<foo><bar /></foo>", but since + this class defines no SELF_CLOSING_TAGS, it will never use that + explanation.] + + This class is useful for parsing XML or made-up markup languages, + or when BeautifulSoup makes an assumption counter to what you were + expecting.""" + + SELF_CLOSING_TAGS = {} + NESTABLE_TAGS = {} + RESET_NESTING_TAGS = {} + QUOTE_TAGS = {} + PRESERVE_WHITESPACE_TAGS = [] + + MARKUP_MASSAGE = [(re.compile('(<[^<>]*)/>'), + lambda x: x.group(1) + ' />'), + (re.compile('<!\s+([^<>]*)>'), + lambda x: '<!' + x.group(1) + '>') + ] + + ROOT_TAG_NAME = u'[document]' + + HTML_ENTITIES = "html" + XML_ENTITIES = "xml" + XHTML_ENTITIES = "xhtml" + # TODO: This only exists for backwards-compatibility + ALL_ENTITIES = XHTML_ENTITIES + + # Used when determining whether a text node is all whitespace and + # can be replaced with a single space. A text node that contains + # fancy Unicode spaces (usually non-breaking) should be left + # alone. + STRIP_ASCII_SPACES = { 9: None, 10: None, 12: None, 13: None, 32: None, } + + def __init__(self, markup="", parseOnlyThese=None, fromEncoding=None, + markupMassage=True, smartQuotesTo=XML_ENTITIES, + convertEntities=None, selfClosingTags=None, isHTML=False): + """The Soup object is initialized as the 'root tag', and the + provided markup (which can be a string or a file-like object) + is fed into the underlying parser. + + sgmllib will process most bad HTML, and the BeautifulSoup + class has some tricks for dealing with some HTML that kills + sgmllib, but Beautiful Soup can nonetheless choke or lose data + if your data uses self-closing tags or declarations + incorrectly. + + By default, Beautiful Soup uses regexes to sanitize input, + avoiding the vast majority of these problems. If the problems + don't apply to you, pass in False for markupMassage, and + you'll get better performance. + + The default parser massage techniques fix the two most common + instances of invalid HTML that choke sgmllib: + + <br/> (No space between name of closing tag and tag close) + <! --Comment--> (Extraneous whitespace in declaration) + + You can pass in a custom list of (RE object, replace method) + tuples to get Beautiful Soup to scrub your input the way you + want.""" + + self.parseOnlyThese = parseOnlyThese + self.fromEncoding = fromEncoding + self.smartQuotesTo = smartQuotesTo + self.convertEntities = convertEntities + # Set the rules for how we'll deal with the entities we + # encounter + if self.convertEntities: + # It doesn't make sense to convert encoded characters to + # entities even while you're converting entities to Unicode. + # Just convert it all to Unicode. + self.smartQuotesTo = None + if convertEntities == self.HTML_ENTITIES: + self.convertXMLEntities = False + self.convertHTMLEntities = True + self.escapeUnrecognizedEntities = True + elif convertEntities == self.XHTML_ENTITIES: + self.convertXMLEntities = True + self.convertHTMLEntities = True + self.escapeUnrecognizedEntities = False + elif convertEntities == self.XML_ENTITIES: + self.convertXMLEntities = True + self.convertHTMLEntities = False + self.escapeUnrecognizedEntities = False + else: + self.convertXMLEntities = False + self.convertHTMLEntities = False + self.escapeUnrecognizedEntities = False + + self.instanceSelfClosingTags = buildTagMap(None, selfClosingTags) + SGMLParser.__init__(self) + + if hasattr(markup, 'read'): # It's a file-type object. + markup = markup.read() + self.markup = markup + self.markupMassage = markupMassage + try: + self._feed(isHTML=isHTML) + except StopParsing: + pass + self.markup = None # The markup can now be GCed + + def convert_charref(self, name): + """This method fixes a bug in Python's SGMLParser.""" + try: + n = int(name) + except ValueError: + return + if not 0 <= n <= 127 : # ASCII ends at 127, not 255 + return + return self.convert_codepoint(n) + + def _feed(self, inDocumentEncoding=None, isHTML=False): + # Convert the document to Unicode. + markup = self.markup + if isinstance(markup, unicode): + if not hasattr(self, 'originalEncoding'): + self.originalEncoding = None + else: + dammit = UnicodeDammit\ + (markup, [self.fromEncoding, inDocumentEncoding], + smartQuotesTo=self.smartQuotesTo, isHTML=isHTML) + markup = dammit.unicode + self.originalEncoding = dammit.originalEncoding + self.declaredHTMLEncoding = dammit.declaredHTMLEncoding + if markup: + if self.markupMassage: + if not hasattr(self.markupMassage, "__iter__"): + self.markupMassage = self.MARKUP_MASSAGE + for fix, m in self.markupMassage: + markup = fix.sub(m, markup) + # TODO: We get rid of markupMassage so that the + # soup object can be deepcopied later on. Some + # Python installations can't copy regexes. If anyone + # was relying on the existence of markupMassage, this + # might cause problems. + del(self.markupMassage) + self.reset() + + SGMLParser.feed(self, markup) + # Close out any unfinished strings and close all the open tags. + self.endData() + while self.currentTag.name != self.ROOT_TAG_NAME: + self.popTag() + + def __getattr__(self, methodName): + """This method routes method call requests to either the SGMLParser + superclass or the Tag superclass, depending on the method name.""" + #print "__getattr__ called on %s.%s" % (self.__class__, methodName) + + if methodName.startswith('start_') or methodName.startswith('end_') \ + or methodName.startswith('do_'): + return SGMLParser.__getattr__(self, methodName) + elif not methodName.startswith('__'): + return Tag.__getattr__(self, methodName) + else: + raise AttributeError + + def isSelfClosingTag(self, name): + """Returns true iff the given string is the name of a + self-closing tag according to this parser.""" + return self.SELF_CLOSING_TAGS.has_key(name) \ + or self.instanceSelfClosingTags.has_key(name) + + def reset(self): + Tag.__init__(self, self, self.ROOT_TAG_NAME) + self.hidden = 1 + SGMLParser.reset(self) + self.currentData = [] + self.currentTag = None + self.tagStack = [] + self.quoteStack = [] + self.pushTag(self) + + def popTag(self): + tag = self.tagStack.pop() + + #print "Pop", tag.name + if self.tagStack: + self.currentTag = self.tagStack[-1] + return self.currentTag + + def pushTag(self, tag): + #print "Push", tag.name + if self.currentTag: + self.currentTag.contents.append(tag) + self.tagStack.append(tag) + self.currentTag = self.tagStack[-1] + + def endData(self, containerClass=NavigableString): + if self.currentData: + currentData = u''.join(self.currentData) + if (currentData.translate(self.STRIP_ASCII_SPACES) == '' and + not set([tag.name for tag in self.tagStack]).intersection( + self.PRESERVE_WHITESPACE_TAGS)): + if '\n' in currentData: + currentData = '\n' + else: + currentData = ' ' + self.currentData = [] + if self.parseOnlyThese and len(self.tagStack) <= 1 and \ + (not self.parseOnlyThese.text or \ + not self.parseOnlyThese.search(currentData)): + return + o = containerClass(currentData) + o.setup(self.currentTag, self.previous) + if self.previous: + self.previous.next = o + self.previous = o + self.currentTag.contents.append(o) + + + def _popToTag(self, name, inclusivePop=True): + """Pops the tag stack up to and including the most recent + instance of the given tag. If inclusivePop is false, pops the tag + stack up to but *not* including the most recent instqance of + the given tag.""" + #print "Popping to %s" % name + if name == self.ROOT_TAG_NAME: + return + + numPops = 0 + mostRecentTag = None + for i in range(len(self.tagStack)-1, 0, -1): + if name == self.tagStack[i].name: + numPops = len(self.tagStack)-i + break + if not inclusivePop: + numPops = numPops - 1 + + for i in range(0, numPops): + mostRecentTag = self.popTag() + return mostRecentTag + + def _smartPop(self, name): + + """We need to pop up to the previous tag of this type, unless + one of this tag's nesting reset triggers comes between this + tag and the previous tag of this type, OR unless this tag is a + generic nesting trigger and another generic nesting trigger + comes between this tag and the previous tag of this type. + + Examples: + <p>Foo<b>Bar *<p>* should pop to 'p', not 'b'. + <p>Foo<table>Bar *<p>* should pop to 'table', not 'p'. + <p>Foo<table><tr>Bar *<p>* should pop to 'tr', not 'p'. + + <li><ul><li> *<li>* should pop to 'ul', not the first 'li'. + <tr><table><tr> *<tr>* should pop to 'table', not the first 'tr' + <td><tr><td> *<td>* should pop to 'tr', not the first 'td' + """ + + nestingResetTriggers = self.NESTABLE_TAGS.get(name) + isNestable = nestingResetTriggers != None + isResetNesting = self.RESET_NESTING_TAGS.has_key(name) + popTo = None + inclusive = True + for i in range(len(self.tagStack)-1, 0, -1): + p = self.tagStack[i] + if (not p or p.name == name) and not isNestable: + #Non-nestable tags get popped to the top or to their + #last occurance. + popTo = name + break + if (nestingResetTriggers is not None + and p.name in nestingResetTriggers) \ + or (nestingResetTriggers is None and isResetNesting + and self.RESET_NESTING_TAGS.has_key(p.name)): + + #If we encounter one of the nesting reset triggers + #peculiar to this tag, or we encounter another tag + #that causes nesting to reset, pop up to but not + #including that tag. + popTo = p.name + inclusive = False + break + p = p.parent + if popTo: + self._popToTag(popTo, inclusive) + + def unknown_starttag(self, name, attrs, selfClosing=0): + #print "Start tag %s: %s" % (name, attrs) + if self.quoteStack: + #This is not a real tag. + #print "<%s> is not real!" % name + attrs = ''.join([' %s="%s"' % (x, y) for x, y in attrs]) + self.handle_data('<%s%s>' % (name, attrs)) + return + self.endData() + + if not self.isSelfClosingTag(name) and not selfClosing: + self._smartPop(name) + + if self.parseOnlyThese and len(self.tagStack) <= 1 \ + and (self.parseOnlyThese.text or not self.parseOnlyThese.searchTag(name, attrs)): + return + + tag = Tag(self, name, attrs, self.currentTag, self.previous) + if self.previous: + self.previous.next = tag + self.previous = tag + self.pushTag(tag) + if selfClosing or self.isSelfClosingTag(name): + self.popTag() + if name in self.QUOTE_TAGS: + #print "Beginning quote (%s)" % name + self.quoteStack.append(name) + self.literal = 1 + return tag + + def unknown_endtag(self, name): + #print "End tag %s" % name + if self.quoteStack and self.quoteStack[-1] != name: + #This is not a real end tag. + #print "</%s> is not real!" % name + self.handle_data('</%s>' % name) + return + self.endData() + self._popToTag(name) + if self.quoteStack and self.quoteStack[-1] == name: + self.quoteStack.pop() + self.literal = (len(self.quoteStack) > 0) + + def handle_data(self, data): + self.currentData.append(data) + + def _toStringSubclass(self, text, subclass): + """Adds a certain piece of text to the tree as a NavigableString + subclass.""" + self.endData() + self.handle_data(text) + self.endData(subclass) + + def handle_pi(self, text): + """Handle a processing instruction as a ProcessingInstruction + object, possibly one with a %SOUP-ENCODING% slot into which an + encoding will be plugged later.""" + if text[:3] == "xml": + text = u"xml version='1.0' encoding='%SOUP-ENCODING%'" + self._toStringSubclass(text, ProcessingInstruction) + + def handle_comment(self, text): + "Handle comments as Comment objects." + self._toStringSubclass(text, Comment) + + def handle_charref(self, ref): + "Handle character references as data." + if self.convertEntities: + data = unichr(int(ref)) + else: + data = '&#%s;' % ref + self.handle_data(data) + + def handle_entityref(self, ref): + """Handle entity references as data, possibly converting known + HTML and/or XML entity references to the corresponding Unicode + characters.""" + data = None + if self.convertHTMLEntities: + try: + data = unichr(name2codepoint[ref]) + except KeyError: + pass + + if not data and self.convertXMLEntities: + data = self.XML_ENTITIES_TO_SPECIAL_CHARS.get(ref) + + if not data and self.convertHTMLEntities and \ + not self.XML_ENTITIES_TO_SPECIAL_CHARS.get(ref): + # TODO: We've got a problem here. We're told this is + # an entity reference, but it's not an XML entity + # reference or an HTML entity reference. Nonetheless, + # the logical thing to do is to pass it through as an + # unrecognized entity reference. + # + # Except: when the input is "&carol;" this function + # will be called with input "carol". When the input is + # "AT&T", this function will be called with input + # "T". We have no way of knowing whether a semicolon + # was present originally, so we don't know whether + # this is an unknown entity or just a misplaced + # ampersand. + # + # The more common case is a misplaced ampersand, so I + # escape the ampersand and omit the trailing semicolon. + data = "&%s" % ref + if not data: + # This case is different from the one above, because we + # haven't already gone through a supposedly comprehensive + # mapping of entities to Unicode characters. We might not + # have gone through any mapping at all. So the chances are + # very high that this is a real entity, and not a + # misplaced ampersand. + data = "&%s;" % ref + self.handle_data(data) + + def handle_decl(self, data): + "Handle DOCTYPEs and the like as Declaration objects." + self._toStringSubclass(data, Declaration) + + def parse_declaration(self, i): + """Treat a bogus SGML declaration as raw data. Treat a CDATA + declaration as a CData object.""" + j = None + if self.rawdata[i:i+9] == '<![CDATA[': + k = self.rawdata.find(']]>', i) + if k == -1: + k = len(self.rawdata) + data = self.rawdata[i+9:k] + j = k+3 + self._toStringSubclass(data, CData) + else: + try: + j = SGMLParser.parse_declaration(self, i) + except SGMLParseError: + toHandle = self.rawdata[i:] + self.handle_data(toHandle) + j = i + len(toHandle) + return j + +class BeautifulSoup(BeautifulStoneSoup): + + """This parser knows the following facts about HTML: + + * Some tags have no closing tag and should be interpreted as being + closed as soon as they are encountered. + + * The text inside some tags (ie. 'script') may contain tags which + are not really part of the document and which should be parsed + as text, not tags. If you want to parse the text as tags, you can + always fetch it and parse it explicitly. + + * Tag nesting rules: + + Most tags can't be nested at all. For instance, the occurance of + a <p> tag should implicitly close the previous <p> tag. + + <p>Para1<p>Para2 + should be transformed into: + <p>Para1</p><p>Para2 + + Some tags can be nested arbitrarily. For instance, the occurance + of a <blockquote> tag should _not_ implicitly close the previous + <blockquote> tag. + + Alice said: <blockquote>Bob said: <blockquote>Blah + should NOT be transformed into: + Alice said: <blockquote>Bob said: </blockquote><blockquote>Blah + + Some tags can be nested, but the nesting is reset by the + interposition of other tags. For instance, a <tr> tag should + implicitly close the previous <tr> tag within the same <table>, + but not close a <tr> tag in another table. + + <table><tr>Blah<tr>Blah + should be transformed into: + <table><tr>Blah</tr><tr>Blah + but, + <tr>Blah<table><tr>Blah + should NOT be transformed into + <tr>Blah<table></tr><tr>Blah + + Differing assumptions about tag nesting rules are a major source + of problems with the BeautifulSoup class. If BeautifulSoup is not + treating as nestable a tag your page author treats as nestable, + try ICantBelieveItsBeautifulSoup, MinimalSoup, or + BeautifulStoneSoup before writing your own subclass.""" + + def __init__(self, *args, **kwargs): + if not kwargs.has_key('smartQuotesTo'): + kwargs['smartQuotesTo'] = self.HTML_ENTITIES + kwargs['isHTML'] = True + BeautifulStoneSoup.__init__(self, *args, **kwargs) + + SELF_CLOSING_TAGS = buildTagMap(None, + ('br' , 'hr', 'input', 'img', 'meta', + 'spacer', 'link', 'frame', 'base', 'col')) + + PRESERVE_WHITESPACE_TAGS = set(['pre', 'textarea']) + + QUOTE_TAGS = {'script' : None, 'textarea' : None} + + #According to the HTML standard, each of these inline tags can + #contain another tag of the same type. Furthermore, it's common + #to actually use these tags this way. + NESTABLE_INLINE_TAGS = ('span', 'font', 'q', 'object', 'bdo', 'sub', 'sup', + 'center') + + #According to the HTML standard, these block tags can contain + #another tag of the same type. Furthermore, it's common + #to actually use these tags this way. + NESTABLE_BLOCK_TAGS = ('blockquote', 'div', 'fieldset', 'ins', 'del') + + #Lists can contain other lists, but there are restrictions. + NESTABLE_LIST_TAGS = { 'ol' : [], + 'ul' : [], + 'li' : ['ul', 'ol'], + 'dl' : [], + 'dd' : ['dl'], + 'dt' : ['dl'] } + + #Tables can contain other tables, but there are restrictions. + NESTABLE_TABLE_TAGS = {'table' : [], + 'tr' : ['table', 'tbody', 'tfoot', 'thead'], + 'td' : ['tr'], + 'th' : ['tr'], + 'thead' : ['table'], + 'tbody' : ['table'], + 'tfoot' : ['table'], + } + + NON_NESTABLE_BLOCK_TAGS = ('address', 'form', 'p', 'pre') + + #If one of these tags is encountered, all tags up to the next tag of + #this type are popped. + RESET_NESTING_TAGS = buildTagMap(None, NESTABLE_BLOCK_TAGS, 'noscript', + NON_NESTABLE_BLOCK_TAGS, + NESTABLE_LIST_TAGS, + NESTABLE_TABLE_TAGS) + + NESTABLE_TAGS = buildTagMap([], NESTABLE_INLINE_TAGS, NESTABLE_BLOCK_TAGS, + NESTABLE_LIST_TAGS, NESTABLE_TABLE_TAGS) + + # Used to detect the charset in a META tag; see start_meta + CHARSET_RE = re.compile("((^|;)\s*charset=)([^;]*)", re.M) + + def start_meta(self, attrs): + """Beautiful Soup can detect a charset included in a META tag, + try to convert the document to that charset, and re-parse the + document from the beginning.""" + httpEquiv = None + contentType = None + contentTypeIndex = None + tagNeedsEncodingSubstitution = False + + for i in range(0, len(attrs)): + key, value = attrs[i] + key = key.lower() + if key == 'http-equiv': + httpEquiv = value + elif key == 'content': + contentType = value + contentTypeIndex = i + + if httpEquiv and contentType: # It's an interesting meta tag. + match = self.CHARSET_RE.search(contentType) + if match: + if (self.declaredHTMLEncoding is not None or + self.originalEncoding == self.fromEncoding): + # An HTML encoding was sniffed while converting + # the document to Unicode, or an HTML encoding was + # sniffed during a previous pass through the + # document, or an encoding was specified + # explicitly and it worked. Rewrite the meta tag. + def rewrite(match): + return match.group(1) + "%SOUP-ENCODING%" + newAttr = self.CHARSET_RE.sub(rewrite, contentType) + attrs[contentTypeIndex] = (attrs[contentTypeIndex][0], + newAttr) + tagNeedsEncodingSubstitution = True + else: + # This is our first pass through the document. + # Go through it again with the encoding information. + newCharset = match.group(3) + if newCharset and newCharset != self.originalEncoding: + self.declaredHTMLEncoding = newCharset + self._feed(self.declaredHTMLEncoding) + raise StopParsing + pass + tag = self.unknown_starttag("meta", attrs) + if tag and tagNeedsEncodingSubstitution: + tag.containsSubstitutions = True + +class StopParsing(Exception): + pass + +class ICantBelieveItsBeautifulSoup(BeautifulSoup): + + """The BeautifulSoup class is oriented towards skipping over + common HTML errors like unclosed tags. However, sometimes it makes + errors of its own. For instance, consider this fragment: + + <b>Foo<b>Bar</b></b> + + This is perfectly valid (if bizarre) HTML. However, the + BeautifulSoup class will implicitly close the first b tag when it + encounters the second 'b'. It will think the author wrote + "<b>Foo<b>Bar", and didn't close the first 'b' tag, because + there's no real-world reason to bold something that's already + bold. When it encounters '</b></b>' it will close two more 'b' + tags, for a grand total of three tags closed instead of two. This + can throw off the rest of your document structure. The same is + true of a number of other tags, listed below. + + It's much more common for someone to forget to close a 'b' tag + than to actually use nested 'b' tags, and the BeautifulSoup class + handles the common case. This class handles the not-co-common + case: where you can't believe someone wrote what they did, but + it's valid HTML and BeautifulSoup screwed up by assuming it + wouldn't be.""" + + I_CANT_BELIEVE_THEYRE_NESTABLE_INLINE_TAGS = \ + ('em', 'big', 'i', 'small', 'tt', 'abbr', 'acronym', 'strong', + 'cite', 'code', 'dfn', 'kbd', 'samp', 'strong', 'var', 'b', + 'big') + + I_CANT_BELIEVE_THEYRE_NESTABLE_BLOCK_TAGS = ('noscript',) + + NESTABLE_TAGS = buildTagMap([], BeautifulSoup.NESTABLE_TAGS, + I_CANT_BELIEVE_THEYRE_NESTABLE_BLOCK_TAGS, + I_CANT_BELIEVE_THEYRE_NESTABLE_INLINE_TAGS) + +class MinimalSoup(BeautifulSoup): + """The MinimalSoup class is for parsing HTML that contains + pathologically bad markup. It makes no assumptions about tag + nesting, but it does know which tags are self-closing, that + <script> tags contain Javascript and should not be parsed, that + META tags may contain encoding information, and so on. + + This also makes it better for subclassing than BeautifulStoneSoup + or BeautifulSoup.""" + + RESET_NESTING_TAGS = buildTagMap('noscript') + NESTABLE_TAGS = {} + +class BeautifulSOAP(BeautifulStoneSoup): + """This class will push a tag with only a single string child into + the tag's parent as an attribute. The attribute's name is the tag + name, and the value is the string child. An example should give + the flavor of the change: + + <foo><bar>baz</bar></foo> + => + <foo bar="baz"><bar>baz</bar></foo> + + You can then access fooTag['bar'] instead of fooTag.barTag.string. + + This is, of course, useful for scraping structures that tend to + use subelements instead of attributes, such as SOAP messages. Note + that it modifies its input, so don't print the modified version + out. + + I'm not sure how many people really want to use this class; let me + know if you do. Mainly I like the name.""" + + def popTag(self): + if len(self.tagStack) > 1: + tag = self.tagStack[-1] + parent = self.tagStack[-2] + parent._getAttrMap() + if (isinstance(tag, Tag) and len(tag.contents) == 1 and + isinstance(tag.contents[0], NavigableString) and + not parent.attrMap.has_key(tag.name)): + parent[tag.name] = tag.contents[0] + BeautifulStoneSoup.popTag(self) + +#Enterprise class names! It has come to our attention that some people +#think the names of the Beautiful Soup parser classes are too silly +#and "unprofessional" for use in enterprise screen-scraping. We feel +#your pain! For such-minded folk, the Beautiful Soup Consortium And +#All-Night Kosher Bakery recommends renaming this file to +#"RobustParser.py" (or, in cases of extreme enterprisiness, +#"RobustParserBeanInterface.class") and using the following +#enterprise-friendly class aliases: +class RobustXMLParser(BeautifulStoneSoup): + pass +class RobustHTMLParser(BeautifulSoup): + pass +class RobustWackAssHTMLParser(ICantBelieveItsBeautifulSoup): + pass +class RobustInsanelyWackAssHTMLParser(MinimalSoup): + pass +class SimplifyingSOAPParser(BeautifulSOAP): + pass + +###################################################### +# +# Bonus library: Unicode, Dammit +# +# This class forces XML data into a standard format (usually to UTF-8 +# or Unicode). It is heavily based on code from Mark Pilgrim's +# Universal Feed Parser. It does not rewrite the XML or HTML to +# reflect a new encoding: that happens in BeautifulStoneSoup.handle_pi +# (XML) and BeautifulSoup.start_meta (HTML). + +# Autodetects character encodings. +# Download from http://chardet.feedparser.org/ +try: + import chardet +# import chardet.constants +# chardet.constants._debug = 1 +except ImportError: + chardet = None + +# cjkcodecs and iconv_codec make Python know about more character encodings. +# Both are available from http://cjkpython.i18n.org/ +# They're built in if you use Python 2.4. +try: + import cjkcodecs.aliases +except ImportError: + pass +try: + import iconv_codec +except ImportError: + pass + +class UnicodeDammit: + """A class for detecting the encoding of a *ML document and + converting it to a Unicode string. If the source encoding is + windows-1252, can replace MS smart quotes with their HTML or XML + equivalents.""" + + # This dictionary maps commonly seen values for "charset" in HTML + # meta tags to the corresponding Python codec names. It only covers + # values that aren't in Python's aliases and can't be determined + # by the heuristics in find_codec. + CHARSET_ALIASES = { "macintosh" : "mac-roman", + "x-sjis" : "shift-jis" } + + def __init__(self, markup, overrideEncodings=[], + smartQuotesTo='xml', isHTML=False): + self.declaredHTMLEncoding = None + self.markup, documentEncoding, sniffedEncoding = \ + self._detectEncoding(markup, isHTML) + self.smartQuotesTo = smartQuotesTo + self.triedEncodings = [] + if markup == '' or isinstance(markup, unicode): + self.originalEncoding = None + self.unicode = unicode(markup) + return + + u = None + for proposedEncoding in overrideEncodings: + u = self._convertFrom(proposedEncoding) + if u: break + if not u: + for proposedEncoding in (documentEncoding, sniffedEncoding): + u = self._convertFrom(proposedEncoding) + if u: break + + # If no luck and we have auto-detection library, try that: + if not u and chardet and not isinstance(self.markup, unicode): + u = self._convertFrom(chardet.detect(self.markup)['encoding']) + + # As a last resort, try utf-8 and windows-1252: + if not u: + for proposed_encoding in ("utf-8", "windows-1252"): + u = self._convertFrom(proposed_encoding) + if u: break + + self.unicode = u + if not u: self.originalEncoding = None + + def _subMSChar(self, orig): + """Changes a MS smart quote character to an XML or HTML + entity.""" + sub = self.MS_CHARS.get(orig) + if isinstance(sub, tuple): + if self.smartQuotesTo == 'xml': + sub = '&#x%s;' % sub[1] + else: + sub = '&%s;' % sub[0] + return sub + + def _convertFrom(self, proposed): + proposed = self.find_codec(proposed) + if not proposed or proposed in self.triedEncodings: + return None + self.triedEncodings.append(proposed) + markup = self.markup + + # Convert smart quotes to HTML if coming from an encoding + # that might have them. + if self.smartQuotesTo and proposed.lower() in("windows-1252", + "iso-8859-1", + "iso-8859-2"): + markup = re.compile("([\x80-\x9f])").sub \ + (lambda(x): self._subMSChar(x.group(1)), + markup) + + try: + # print "Trying to convert document to %s" % proposed + u = self._toUnicode(markup, proposed) + self.markup = u + self.originalEncoding = proposed + except Exception, e: + # print "That didn't work!" + # print e + return None + #print "Correct encoding: %s" % proposed + return self.markup + + def _toUnicode(self, data, encoding): + '''Given a string and its encoding, decodes the string into Unicode. + %encoding is a string recognized by encodings.aliases''' + + # strip Byte Order Mark (if present) + if (len(data) >= 4) and (data[:2] == '\xfe\xff') \ + and (data[2:4] != '\x00\x00'): + encoding = 'utf-16be' + data = data[2:] + elif (len(data) >= 4) and (data[:2] == '\xff\xfe') \ + and (data[2:4] != '\x00\x00'): + encoding = 'utf-16le' + data = data[2:] + elif data[:3] == '\xef\xbb\xbf': + encoding = 'utf-8' + data = data[3:] + elif data[:4] == '\x00\x00\xfe\xff': + encoding = 'utf-32be' + data = data[4:] + elif data[:4] == '\xff\xfe\x00\x00': + encoding = 'utf-32le' + data = data[4:] + newdata = unicode(data, encoding) + return newdata + + def _detectEncoding(self, xml_data, isHTML=False): + """Given a document, tries to detect its XML encoding.""" + xml_encoding = sniffed_xml_encoding = None + try: + if xml_data[:4] == '\x4c\x6f\xa7\x94': + # EBCDIC + xml_data = self._ebcdic_to_ascii(xml_data) + elif xml_data[:4] == '\x00\x3c\x00\x3f': + # UTF-16BE + sniffed_xml_encoding = 'utf-16be' + xml_data = unicode(xml_data, 'utf-16be').encode('utf-8') + elif (len(xml_data) >= 4) and (xml_data[:2] == '\xfe\xff') \ + and (xml_data[2:4] != '\x00\x00'): + # UTF-16BE with BOM + sniffed_xml_encoding = 'utf-16be' + xml_data = unicode(xml_data[2:], 'utf-16be').encode('utf-8') + elif xml_data[:4] == '\x3c\x00\x3f\x00': + # UTF-16LE + sniffed_xml_encoding = 'utf-16le' + xml_data = unicode(xml_data, 'utf-16le').encode('utf-8') + elif (len(xml_data) >= 4) and (xml_data[:2] == '\xff\xfe') and \ + (xml_data[2:4] != '\x00\x00'): + # UTF-16LE with BOM + sniffed_xml_encoding = 'utf-16le' + xml_data = unicode(xml_data[2:], 'utf-16le').encode('utf-8') + elif xml_data[:4] == '\x00\x00\x00\x3c': + # UTF-32BE + sniffed_xml_encoding = 'utf-32be' + xml_data = unicode(xml_data, 'utf-32be').encode('utf-8') + elif xml_data[:4] == '\x3c\x00\x00\x00': + # UTF-32LE + sniffed_xml_encoding = 'utf-32le' + xml_data = unicode(xml_data, 'utf-32le').encode('utf-8') + elif xml_data[:4] == '\x00\x00\xfe\xff': + # UTF-32BE with BOM + sniffed_xml_encoding = 'utf-32be' + xml_data = unicode(xml_data[4:], 'utf-32be').encode('utf-8') + elif xml_data[:4] == '\xff\xfe\x00\x00': + # UTF-32LE with BOM + sniffed_xml_encoding = 'utf-32le' + xml_data = unicode(xml_data[4:], 'utf-32le').encode('utf-8') + elif xml_data[:3] == '\xef\xbb\xbf': + # UTF-8 with BOM + sniffed_xml_encoding = 'utf-8' + xml_data = unicode(xml_data[3:], 'utf-8').encode('utf-8') + else: + sniffed_xml_encoding = 'ascii' + pass + except: + xml_encoding_match = None + xml_encoding_match = re.compile( + '^<\?.*encoding=[\'"](.*?)[\'"].*\?>').match(xml_data) + if not xml_encoding_match and isHTML: + regexp = re.compile('<\s*meta[^>]+charset=([^>]*?)[;\'">]', re.I) + xml_encoding_match = regexp.search(xml_data) + if xml_encoding_match is not None: + xml_encoding = xml_encoding_match.groups()[0].lower() + if isHTML: + self.declaredHTMLEncoding = xml_encoding + if sniffed_xml_encoding and \ + (xml_encoding in ('iso-10646-ucs-2', 'ucs-2', 'csunicode', + 'iso-10646-ucs-4', 'ucs-4', 'csucs4', + 'utf-16', 'utf-32', 'utf_16', 'utf_32', + 'utf16', 'u16')): + xml_encoding = sniffed_xml_encoding + return xml_data, xml_encoding, sniffed_xml_encoding + + + def find_codec(self, charset): + return self._codec(self.CHARSET_ALIASES.get(charset, charset)) \ + or (charset and self._codec(charset.replace("-", ""))) \ + or (charset and self._codec(charset.replace("-", "_"))) \ + or charset + + def _codec(self, charset): + if not charset: return charset + codec = None + try: + codecs.lookup(charset) + codec = charset + except (LookupError, ValueError): + pass + return codec + + EBCDIC_TO_ASCII_MAP = None + def _ebcdic_to_ascii(self, s): + c = self.__class__ + if not c.EBCDIC_TO_ASCII_MAP: + emap = (0,1,2,3,156,9,134,127,151,141,142,11,12,13,14,15, + 16,17,18,19,157,133,8,135,24,25,146,143,28,29,30,31, + 128,129,130,131,132,10,23,27,136,137,138,139,140,5,6,7, + 144,145,22,147,148,149,150,4,152,153,154,155,20,21,158,26, + 32,160,161,162,163,164,165,166,167,168,91,46,60,40,43,33, + 38,169,170,171,172,173,174,175,176,177,93,36,42,41,59,94, + 45,47,178,179,180,181,182,183,184,185,124,44,37,95,62,63, + 186,187,188,189,190,191,192,193,194,96,58,35,64,39,61,34, + 195,97,98,99,100,101,102,103,104,105,196,197,198,199,200, + 201,202,106,107,108,109,110,111,112,113,114,203,204,205, + 206,207,208,209,126,115,116,117,118,119,120,121,122,210, + 211,212,213,214,215,216,217,218,219,220,221,222,223,224, + 225,226,227,228,229,230,231,123,65,66,67,68,69,70,71,72, + 73,232,233,234,235,236,237,125,74,75,76,77,78,79,80,81, + 82,238,239,240,241,242,243,92,159,83,84,85,86,87,88,89, + 90,244,245,246,247,248,249,48,49,50,51,52,53,54,55,56,57, + 250,251,252,253,254,255) + import string + c.EBCDIC_TO_ASCII_MAP = string.maketrans( \ + ''.join(map(chr, range(256))), ''.join(map(chr, emap))) + return s.translate(c.EBCDIC_TO_ASCII_MAP) + + MS_CHARS = { '\x80' : ('euro', '20AC'), + '\x81' : ' ', + '\x82' : ('sbquo', '201A'), + '\x83' : ('fnof', '192'), + '\x84' : ('bdquo', '201E'), + '\x85' : ('hellip', '2026'), + '\x86' : ('dagger', '2020'), + '\x87' : ('Dagger', '2021'), + '\x88' : ('circ', '2C6'), + '\x89' : ('permil', '2030'), + '\x8A' : ('Scaron', '160'), + '\x8B' : ('lsaquo', '2039'), + '\x8C' : ('OElig', '152'), + '\x8D' : '?', + '\x8E' : ('#x17D', '17D'), + '\x8F' : '?', + '\x90' : '?', + '\x91' : ('lsquo', '2018'), + '\x92' : ('rsquo', '2019'), + '\x93' : ('ldquo', '201C'), + '\x94' : ('rdquo', '201D'), + '\x95' : ('bull', '2022'), + '\x96' : ('ndash', '2013'), + '\x97' : ('mdash', '2014'), + '\x98' : ('tilde', '2DC'), + '\x99' : ('trade', '2122'), + '\x9a' : ('scaron', '161'), + '\x9b' : ('rsaquo', '203A'), + '\x9c' : ('oelig', '153'), + '\x9d' : '?', + '\x9e' : ('#x17E', '17E'), + '\x9f' : ('Yuml', ''),} + +####################################################################### + + +#By default, act as an HTML pretty-printer. +if __name__ == '__main__': + import sys + soup = BeautifulSoup(sys.stdin) + print soup.prettify() diff --git a/pyload/lib/Getch.py b/pyload/lib/Getch.py new file mode 100644 index 000000000..22b7ea7f8 --- /dev/null +++ b/pyload/lib/Getch.py @@ -0,0 +1,76 @@ +class Getch: + """ + Gets a single character from standard input. Does not echo to + the screen. + """ + + def __init__(self): + try: + self.impl = _GetchWindows() + except ImportError: + try: + self.impl = _GetchMacCarbon() + except(AttributeError, ImportError): + self.impl = _GetchUnix() + + def __call__(self): return self.impl() + + +class _GetchUnix: + def __init__(self): + import tty + import sys + + def __call__(self): + import sys + import tty + import termios + + fd = sys.stdin.fileno() + old_settings = termios.tcgetattr(fd) + try: + tty.setraw(sys.stdin.fileno()) + ch = sys.stdin.read(1) + finally: + termios.tcsetattr(fd, termios.TCSADRAIN, old_settings) + return ch + + +class _GetchWindows: + def __init__(self): + import msvcrt + + def __call__(self): + import msvcrt + + return msvcrt.getch() + +class _GetchMacCarbon: + """ + A function which returns the current ASCII key that is down; + if no ASCII key is down, the null string is returned. The + page http://www.mactech.com/macintosh-c/chap02-1.html was + very helpful in figuring out how to do this. + """ + + def __init__(self): + import Carbon + Carbon.Evt #see if it has this (in Unix, it doesn't) + + def __call__(self): + import Carbon + + if Carbon.Evt.EventAvail(0x0008)[0] == 0: # 0x0008 is the keyDownMask + return '' + else: + # + # The event contains the following info: + # (what,msg,when,where,mod)=Carbon.Evt.GetNextEvent(0x0008)[1] + # + # The message (msg) contains the ASCII char which is + # extracted with the 0x000000FF charCodeMask; this + # number is converted to an ASCII character with chr() and + # returned + # + (what, msg, when, where, mod) = Carbon.Evt.GetNextEvent(0x0008)[1] + return chr(msg)
\ No newline at end of file diff --git a/pyload/lib/MultipartPostHandler.py b/pyload/lib/MultipartPostHandler.py new file mode 100644 index 000000000..94aee0193 --- /dev/null +++ b/pyload/lib/MultipartPostHandler.py @@ -0,0 +1,139 @@ +#!/usr/bin/env python +# -*- coding: utf-8 -*- + +#### +# 02/2006 Will Holcomb <wholcomb@gmail.com> +# +# This library is free software; you can redistribute it and/or +# modify it under the terms of the GNU Lesser General Public +# License as published by the Free Software Foundation; either +# version 2.1 of the License, or (at your option) any later version. +# +# This library is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# Lesser General Public License for more details. +# +# 7/26/07 Slightly modified by Brian Schneider +# in order to support unicode files ( multipart_encode function ) +""" +Usage: + Enables the use of multipart/form-data for posting forms + +Inspirations: + Upload files in python: + http://aspn.activestate.com/ASPN/Cookbook/Python/Recipe/146306 + urllib2_file: + Fabien Seisen: <fabien@seisen.org> + +Example: + import MultipartPostHandler, urllib2, cookielib + + cookies = cookielib.CookieJar() + opener = urllib2.build_opener(urllib2.HTTPCookieProcessor(cookies), + MultipartPostHandler.MultipartPostHandler) + params = { "username" : "bob", "password" : "riviera", + "file" : open("filename", "rb") } + opener.open("http://wwww.bobsite.com/upload/", params) + +Further Example: + The main function of this file is a sample which downloads a page and + then uploads it to the W3C validator. +""" + +from urllib import urlencode +from urllib2 import BaseHandler, HTTPHandler, build_opener +import mimetools, mimetypes +from os import write, remove +from cStringIO import StringIO + +class Callable: + def __init__(self, anycallable): + self.__call__ = anycallable + +# Controls how sequences are uncoded. If true, elements may be given multiple values by +# assigning a sequence. +doseq = 1 + +class MultipartPostHandler(BaseHandler): + handler_order = HTTPHandler.handler_order - 10 # needs to run first + + def http_request(self, request): + data = request.get_data() + if data is not None and type(data) != str: + v_files = [] + v_vars = [] + try: + for(key, value) in data.items(): + if type(value) == file: + v_files.append((key, value)) + else: + v_vars.append((key, value)) + except TypeError: + systype, value, traceback = sys.exc_info() + raise TypeError, "not a valid non-string sequence or mapping object", traceback + + if len(v_files) == 0: + data = urlencode(v_vars, doseq) + else: + boundary, data = self.multipart_encode(v_vars, v_files) + + contenttype = 'multipart/form-data; boundary=%s' % boundary + if(request.has_header('Content-Type') + and request.get_header('Content-Type').find('multipart/form-data') != 0): + print "Replacing %s with %s" % (request.get_header('content-type'), 'multipart/form-data') + request.add_unredirected_header('Content-Type', contenttype) + + request.add_data(data) + + return request + + def multipart_encode(vars, files, boundary = None, buf = None): + if boundary is None: + boundary = mimetools.choose_boundary() + if buf is None: + buf = StringIO() + for(key, value) in vars: + buf.write('--%s\r\n' % boundary) + buf.write('Content-Disposition: form-data; name="%s"' % key) + buf.write('\r\n\r\n' + value + '\r\n') + for(key, fd) in files: + #file_size = os.fstat(fd.fileno())[stat.ST_SIZE] + filename = fd.name.split('/')[-1] + contenttype = mimetypes.guess_type(filename)[0] or 'application/octet-stream' + buf.write('--%s\r\n' % boundary) + buf.write('Content-Disposition: form-data; name="%s"; filename="%s"\r\n' % (key, filename)) + buf.write('Content-Type: %s\r\n' % contenttype) + # buffer += 'Content-Length: %s\r\n' % file_size + fd.seek(0) + buf.write('\r\n' + fd.read() + '\r\n') + buf.write('--' + boundary + '--\r\n\r\n') + buf = buf.getvalue() + return boundary, buf + multipart_encode = Callable(multipart_encode) + + https_request = http_request + +def main(): + import tempfile, sys + + validatorURL = "http://validator.w3.org/check" + opener = build_opener(MultipartPostHandler) + + def validateFile(url): + temp = tempfile.mkstemp(suffix=".html") + write(temp[0], opener.open(url).read()) + params = { "ss" : "0", # show source + "doctype" : "Inline", + "uploaded_file" : open(temp[1], "rb") } + print opener.open(validatorURL, params).read() + remove(temp[1]) + + if len(sys.argv[1:]) > 0: + for arg in sys.argv[1:]: + validateFile(arg) + else: + validateFile("http://www.google.com") + +if __name__=="__main__": + main() diff --git a/pyload/lib/SafeEval.py b/pyload/lib/SafeEval.py new file mode 100644 index 000000000..8fc57f261 --- /dev/null +++ b/pyload/lib/SafeEval.py @@ -0,0 +1,47 @@ +## {{{ http://code.activestate.com/recipes/286134/ (r3) (modified) +import dis + +_const_codes = map(dis.opmap.__getitem__, [ + 'POP_TOP','ROT_TWO','ROT_THREE','ROT_FOUR','DUP_TOP', + 'BUILD_LIST','BUILD_MAP','BUILD_TUPLE', + 'LOAD_CONST','RETURN_VALUE','STORE_SUBSCR' + ]) + + +_load_names = ['False', 'True', 'null', 'true', 'false'] + +_locals = {'null': None, 'true': True, 'false': False} + +def _get_opcodes(codeobj): + i = 0 + opcodes = [] + s = codeobj.co_code + names = codeobj.co_names + while i < len(s): + code = ord(s[i]) + opcodes.append(code) + if code >= dis.HAVE_ARGUMENT: + i += 3 + else: + i += 1 + return opcodes, names + +def test_expr(expr, allowed_codes): + try: + c = compile(expr, "", "eval") + except: + raise ValueError, "%s is not a valid expression" % expr + codes, names = _get_opcodes(c) + for code in codes: + if code not in allowed_codes: + for n in names: + if n not in _load_names: + raise ValueError, "opcode %s not allowed" % dis.opname[code] + return c + + +def const_eval(expr): + c = test_expr(expr, _const_codes) + return eval(c, None, _locals) + +## end of http://code.activestate.com/recipes/286134/ }}} diff --git a/pyload/lib/__init__.py b/pyload/lib/__init__.py new file mode 100644 index 000000000..e69de29bb --- /dev/null +++ b/pyload/lib/__init__.py diff --git a/pyload/lib/beaker/__init__.py b/pyload/lib/beaker/__init__.py new file mode 100644 index 000000000..d07785c52 --- /dev/null +++ b/pyload/lib/beaker/__init__.py @@ -0,0 +1 @@ +__version__ = '1.6.4' diff --git a/pyload/lib/beaker/cache.py b/pyload/lib/beaker/cache.py new file mode 100644 index 000000000..0ae96e020 --- /dev/null +++ b/pyload/lib/beaker/cache.py @@ -0,0 +1,589 @@ +"""This package contains the "front end" classes and functions +for Beaker caching. + +Included are the :class:`.Cache` and :class:`.CacheManager` classes, +as well as the function decorators :func:`.region_decorate`, +:func:`.region_invalidate`. + +""" +import warnings + +import beaker.container as container +import beaker.util as util +from beaker.crypto.util import sha1 +from beaker.exceptions import BeakerException, InvalidCacheBackendError +from beaker.synchronization import _threading + +import beaker.ext.memcached as memcached +import beaker.ext.database as database +import beaker.ext.sqla as sqla +import beaker.ext.google as google + +# Initialize the cache region dict +cache_regions = {} +"""Dictionary of 'region' arguments. + +A "region" is a string name that refers to a series of cache +configuration arguments. An application may have multiple +"regions" - one which stores things in a memory cache, one +which writes data to files, etc. + +The dictionary stores string key names mapped to dictionaries +of configuration arguments. Example:: + + from beaker.cache import cache_regions + cache_regions.update({ + 'short_term':{ + 'expire':'60', + 'type':'memory' + }, + 'long_term':{ + 'expire':'1800', + 'type':'dbm', + 'data_dir':'/tmp', + } + }) +""" + + +cache_managers = {} + + +class _backends(object): + initialized = False + + def __init__(self, clsmap): + self._clsmap = clsmap + self._mutex = _threading.Lock() + + def __getitem__(self, key): + try: + return self._clsmap[key] + except KeyError, e: + if not self.initialized: + self._mutex.acquire() + try: + if not self.initialized: + self._init() + self.initialized = True + + return self._clsmap[key] + finally: + self._mutex.release() + + raise e + + def _init(self): + try: + import pkg_resources + + # Load up the additional entry point defined backends + for entry_point in pkg_resources.iter_entry_points('beaker.backends'): + try: + namespace_manager = entry_point.load() + name = entry_point.name + if name in self._clsmap: + raise BeakerException("NamespaceManager name conflict,'%s' " + "already loaded" % name) + self._clsmap[name] = namespace_manager + except (InvalidCacheBackendError, SyntaxError): + # Ignore invalid backends + pass + except: + import sys + from pkg_resources import DistributionNotFound + # Warn when there's a problem loading a NamespaceManager + if not isinstance(sys.exc_info()[1], DistributionNotFound): + import traceback + from StringIO import StringIO + tb = StringIO() + traceback.print_exc(file=tb) + warnings.warn( + "Unable to load NamespaceManager " + "entry point: '%s': %s" % ( + entry_point, + tb.getvalue()), + RuntimeWarning, 2) + except ImportError: + pass + +# Initialize the basic available backends +clsmap = _backends({ + 'memory': container.MemoryNamespaceManager, + 'dbm': container.DBMNamespaceManager, + 'file': container.FileNamespaceManager, + 'ext:memcached': memcached.MemcachedNamespaceManager, + 'ext:database': database.DatabaseNamespaceManager, + 'ext:sqla': sqla.SqlaNamespaceManager, + 'ext:google': google.GoogleNamespaceManager, + }) + + +def cache_region(region, *args): + """Decorate a function such that its return result is cached, + using a "region" to indicate the cache arguments. + + Example:: + + from beaker.cache import cache_regions, cache_region + + # configure regions + cache_regions.update({ + 'short_term':{ + 'expire':'60', + 'type':'memory' + } + }) + + @cache_region('short_term', 'load_things') + def load(search_term, limit, offset): + '''Load from a database given a search term, limit, offset.''' + return database.query(search_term)[offset:offset + limit] + + The decorator can also be used with object methods. The ``self`` + argument is not part of the cache key. This is based on the + actual string name ``self`` being in the first argument + position (new in 1.6):: + + class MyThing(object): + @cache_region('short_term', 'load_things') + def load(self, search_term, limit, offset): + '''Load from a database given a search term, limit, offset.''' + return database.query(search_term)[offset:offset + limit] + + Classmethods work as well - use ``cls`` as the name of the class argument, + and place the decorator around the function underneath ``@classmethod`` + (new in 1.6):: + + class MyThing(object): + @classmethod + @cache_region('short_term', 'load_things') + def load(cls, search_term, limit, offset): + '''Load from a database given a search term, limit, offset.''' + return database.query(search_term)[offset:offset + limit] + + :param region: String name of the region corresponding to the desired + caching arguments, established in :attr:`.cache_regions`. + + :param \*args: Optional ``str()``-compatible arguments which will uniquely + identify the key used by this decorated function, in addition + to the positional arguments passed to the function itself at call time. + This is recommended as it is needed to distinguish between any two functions + or methods that have the same name (regardless of parent class or not). + + .. note:: + + The function being decorated must only be called with + positional arguments, and the arguments must support + being stringified with ``str()``. The concatenation + of the ``str()`` version of each argument, combined + with that of the ``*args`` sent to the decorator, + forms the unique cache key. + + .. note:: + + When a method on a class is decorated, the ``self`` or ``cls`` + argument in the first position is + not included in the "key" used for caching. New in 1.6. + + """ + return _cache_decorate(args, None, None, region) + + +def region_invalidate(namespace, region, *args): + """Invalidate a cache region corresponding to a function + decorated with :func:`.cache_region`. + + :param namespace: The namespace of the cache to invalidate. This is typically + a reference to the original function (as returned by the :func:`.cache_region` + decorator), where the :func:`.cache_region` decorator applies a "memo" to + the function in order to locate the string name of the namespace. + + :param region: String name of the region used with the decorator. This can be + ``None`` in the usual case that the decorated function itself is passed, + not the string name of the namespace. + + :param args: Stringifyable arguments that are used to locate the correct + key. This consists of the ``*args`` sent to the :func:`.cache_region` + decorator itself, plus the ``*args`` sent to the function itself + at runtime. + + Example:: + + from beaker.cache import cache_regions, cache_region, region_invalidate + + # configure regions + cache_regions.update({ + 'short_term':{ + 'expire':'60', + 'type':'memory' + } + }) + + @cache_region('short_term', 'load_data') + def load(search_term, limit, offset): + '''Load from a database given a search term, limit, offset.''' + return database.query(search_term)[offset:offset + limit] + + def invalidate_search(search_term, limit, offset): + '''Invalidate the cached storage for a given search term, limit, offset.''' + region_invalidate(load, 'short_term', 'load_data', search_term, limit, offset) + + Note that when a method on a class is decorated, the first argument ``cls`` + or ``self`` is not included in the cache key. This means you don't send + it to :func:`.region_invalidate`:: + + class MyThing(object): + @cache_region('short_term', 'some_data') + def load(self, search_term, limit, offset): + '''Load from a database given a search term, limit, offset.''' + return database.query(search_term)[offset:offset + limit] + + def invalidate_search(self, search_term, limit, offset): + '''Invalidate the cached storage for a given search term, limit, offset.''' + region_invalidate(self.load, 'short_term', 'some_data', search_term, limit, offset) + + """ + if callable(namespace): + if not region: + region = namespace._arg_region + namespace = namespace._arg_namespace + + if not region: + raise BeakerException("Region or callable function " + "namespace is required") + else: + region = cache_regions[region] + + cache = Cache._get_cache(namespace, region) + _cache_decorator_invalidate(cache, region['key_length'], args) + + +class Cache(object): + """Front-end to the containment API implementing a data cache. + + :param namespace: the namespace of this Cache + + :param type: type of cache to use + + :param expire: seconds to keep cached data + + :param expiretime: seconds to keep cached data (legacy support) + + :param starttime: time when cache was cache was + + """ + def __init__(self, namespace, type='memory', expiretime=None, + starttime=None, expire=None, **nsargs): + try: + cls = clsmap[type] + if isinstance(cls, InvalidCacheBackendError): + raise cls + except KeyError: + raise TypeError("Unknown cache implementation %r" % type) + self.namespace_name = namespace + self.namespace = cls(namespace, **nsargs) + self.expiretime = expiretime or expire + self.starttime = starttime + self.nsargs = nsargs + + @classmethod + def _get_cache(cls, namespace, kw): + key = namespace + str(kw) + try: + return cache_managers[key] + except KeyError: + cache_managers[key] = cache = cls(namespace, **kw) + return cache + + def put(self, key, value, **kw): + self._get_value(key, **kw).set_value(value) + set_value = put + + def get(self, key, **kw): + """Retrieve a cached value from the container""" + return self._get_value(key, **kw).get_value() + get_value = get + + def remove_value(self, key, **kw): + mycontainer = self._get_value(key, **kw) + mycontainer.clear_value() + remove = remove_value + + def _get_value(self, key, **kw): + if isinstance(key, unicode): + key = key.encode('ascii', 'backslashreplace') + + if 'type' in kw: + return self._legacy_get_value(key, **kw) + + kw.setdefault('expiretime', self.expiretime) + kw.setdefault('starttime', self.starttime) + + return container.Value(key, self.namespace, **kw) + + @util.deprecated("Specifying a " + "'type' and other namespace configuration with cache.get()/put()/etc. " + "is deprecated. Specify 'type' and other namespace configuration to " + "cache_manager.get_cache() and/or the Cache constructor instead.") + def _legacy_get_value(self, key, type, **kw): + expiretime = kw.pop('expiretime', self.expiretime) + starttime = kw.pop('starttime', None) + createfunc = kw.pop('createfunc', None) + kwargs = self.nsargs.copy() + kwargs.update(kw) + c = Cache(self.namespace.namespace, type=type, **kwargs) + return c._get_value(key, expiretime=expiretime, createfunc=createfunc, + starttime=starttime) + + def clear(self): + """Clear all the values from the namespace""" + self.namespace.remove() + + # dict interface + def __getitem__(self, key): + return self.get(key) + + def __contains__(self, key): + return self._get_value(key).has_current_value() + + def has_key(self, key): + return key in self + + def __delitem__(self, key): + self.remove_value(key) + + def __setitem__(self, key, value): + self.put(key, value) + + +class CacheManager(object): + def __init__(self, **kwargs): + """Initialize a CacheManager object with a set of options + + Options should be parsed with the + :func:`~beaker.util.parse_cache_config_options` function to + ensure only valid options are used. + + """ + self.kwargs = kwargs + self.regions = kwargs.pop('cache_regions', {}) + + # Add these regions to the module global + cache_regions.update(self.regions) + + def get_cache(self, name, **kwargs): + kw = self.kwargs.copy() + kw.update(kwargs) + return Cache._get_cache(name, kw) + + def get_cache_region(self, name, region): + if region not in self.regions: + raise BeakerException('Cache region not configured: %s' % region) + kw = self.regions[region] + return Cache._get_cache(name, kw) + + def region(self, region, *args): + """Decorate a function to cache itself using a cache region + + The region decorator requires arguments if there are more than + two of the same named function, in the same module. This is + because the namespace used for the functions cache is based on + the functions name and the module. + + + Example:: + + # Assuming a cache object is available like: + cache = CacheManager(dict_of_config_options) + + + def populate_things(): + + @cache.region('short_term', 'some_data') + def load(search_term, limit, offset): + return load_the_data(search_term, limit, offset) + + return load('rabbits', 20, 0) + + .. note:: + + The function being decorated must only be called with + positional arguments. + + """ + return cache_region(region, *args) + + def region_invalidate(self, namespace, region, *args): + """Invalidate a cache region namespace or decorated function + + This function only invalidates cache spaces created with the + cache_region decorator. + + :param namespace: Either the namespace of the result to invalidate, or the + cached function + + :param region: The region the function was cached to. If the function was + cached to a single region then this argument can be None + + :param args: Arguments that were used to differentiate the cached + function as well as the arguments passed to the decorated + function + + Example:: + + # Assuming a cache object is available like: + cache = CacheManager(dict_of_config_options) + + def populate_things(invalidate=False): + + @cache.region('short_term', 'some_data') + def load(search_term, limit, offset): + return load_the_data(search_term, limit, offset) + + # If the results should be invalidated first + if invalidate: + cache.region_invalidate(load, None, 'some_data', + 'rabbits', 20, 0) + return load('rabbits', 20, 0) + + + """ + return region_invalidate(namespace, region, *args) + + def cache(self, *args, **kwargs): + """Decorate a function to cache itself with supplied parameters + + :param args: Used to make the key unique for this function, as in region() + above. + + :param kwargs: Parameters to be passed to get_cache(), will override defaults + + Example:: + + # Assuming a cache object is available like: + cache = CacheManager(dict_of_config_options) + + + def populate_things(): + + @cache.cache('mycache', expire=15) + def load(search_term, limit, offset): + return load_the_data(search_term, limit, offset) + + return load('rabbits', 20, 0) + + .. note:: + + The function being decorated must only be called with + positional arguments. + + """ + return _cache_decorate(args, self, kwargs, None) + + def invalidate(self, func, *args, **kwargs): + """Invalidate a cache decorated function + + This function only invalidates cache spaces created with the + cache decorator. + + :param func: Decorated function to invalidate + + :param args: Used to make the key unique for this function, as in region() + above. + + :param kwargs: Parameters that were passed for use by get_cache(), note that + this is only required if a ``type`` was specified for the + function + + Example:: + + # Assuming a cache object is available like: + cache = CacheManager(dict_of_config_options) + + + def populate_things(invalidate=False): + + @cache.cache('mycache', type="file", expire=15) + def load(search_term, limit, offset): + return load_the_data(search_term, limit, offset) + + # If the results should be invalidated first + if invalidate: + cache.invalidate(load, 'mycache', 'rabbits', 20, 0, type="file") + return load('rabbits', 20, 0) + + """ + namespace = func._arg_namespace + + cache = self.get_cache(namespace, **kwargs) + if hasattr(func, '_arg_region'): + key_length = cache_regions[func._arg_region]['key_length'] + else: + key_length = kwargs.pop('key_length', 250) + _cache_decorator_invalidate(cache, key_length, args) + + +def _cache_decorate(deco_args, manager, kwargs, region): + """Return a caching function decorator.""" + + cache = [None] + + def decorate(func): + namespace = util.func_namespace(func) + skip_self = util.has_self_arg(func) + + def cached(*args): + if not cache[0]: + if region is not None: + if region not in cache_regions: + raise BeakerException( + 'Cache region not configured: %s' % region) + reg = cache_regions[region] + if not reg.get('enabled', True): + return func(*args) + cache[0] = Cache._get_cache(namespace, reg) + elif manager: + cache[0] = manager.get_cache(namespace, **kwargs) + else: + raise Exception("'manager + kwargs' or 'region' " + "argument is required") + + if skip_self: + try: + cache_key = " ".join(map(str, deco_args + args[1:])) + except UnicodeEncodeError: + cache_key = " ".join(map(unicode, deco_args + args[1:])) + else: + try: + cache_key = " ".join(map(str, deco_args + args)) + except UnicodeEncodeError: + cache_key = " ".join(map(unicode, deco_args + args)) + if region: + key_length = cache_regions[region]['key_length'] + else: + key_length = kwargs.pop('key_length', 250) + if len(cache_key) + len(namespace) > int(key_length): + cache_key = sha1(cache_key).hexdigest() + + def go(): + return func(*args) + + return cache[0].get_value(cache_key, createfunc=go) + cached._arg_namespace = namespace + if region is not None: + cached._arg_region = region + return cached + return decorate + + +def _cache_decorator_invalidate(cache, key_length, args): + """Invalidate a cache key based on function arguments.""" + + try: + cache_key = " ".join(map(str, args)) + except UnicodeEncodeError: + cache_key = " ".join(map(unicode, args)) + if len(cache_key) + len(cache.namespace_name) > key_length: + cache_key = sha1(cache_key).hexdigest() + cache.remove_value(cache_key) diff --git a/pyload/lib/beaker/container.py b/pyload/lib/beaker/container.py new file mode 100644 index 000000000..5a2e8e75c --- /dev/null +++ b/pyload/lib/beaker/container.py @@ -0,0 +1,750 @@ +"""Container and Namespace classes""" + +import beaker.util as util +if util.py3k: + try: + import dbm as anydbm + except: + import dumbdbm as anydbm +else: + import anydbm +import cPickle +import logging +import os +import time + +from beaker.exceptions import CreationAbortedError, MissingCacheParameter +from beaker.synchronization import _threading, file_synchronizer, \ + mutex_synchronizer, NameLock, null_synchronizer + +__all__ = ['Value', 'Container', 'ContainerContext', + 'MemoryContainer', 'DBMContainer', 'NamespaceManager', + 'MemoryNamespaceManager', 'DBMNamespaceManager', 'FileContainer', + 'OpenResourceNamespaceManager', + 'FileNamespaceManager', 'CreationAbortedError'] + + +logger = logging.getLogger('beaker.container') +if logger.isEnabledFor(logging.DEBUG): + debug = logger.debug +else: + def debug(message, *args): + pass + + +class NamespaceManager(object): + """Handles dictionary operations and locking for a namespace of + values. + + :class:`.NamespaceManager` provides a dictionary-like interface, + implementing ``__getitem__()``, ``__setitem__()``, and + ``__contains__()``, as well as functions related to lock + acquisition. + + The implementation for setting and retrieving the namespace data is + handled by subclasses. + + NamespaceManager may be used alone, or may be accessed by + one or more :class:`.Value` objects. :class:`.Value` objects provide per-key + services like expiration times and automatic recreation of values. + + Multiple NamespaceManagers created with a particular name will all + share access to the same underlying datasource and will attempt to + synchronize against a common mutex object. The scope of this + sharing may be within a single process or across multiple + processes, depending on the type of NamespaceManager used. + + The NamespaceManager itself is generally threadsafe, except in the + case of the DBMNamespaceManager in conjunction with the gdbm dbm + implementation. + + """ + + @classmethod + def _init_dependencies(cls): + """Initialize module-level dependent libraries required + by this :class:`.NamespaceManager`.""" + + def __init__(self, namespace): + self._init_dependencies() + self.namespace = namespace + + def get_creation_lock(self, key): + """Return a locking object that is used to synchronize + multiple threads or processes which wish to generate a new + cache value. + + This function is typically an instance of + :class:`.FileSynchronizer`, :class:`.ConditionSynchronizer`, + or :class:`.null_synchronizer`. + + The creation lock is only used when a requested value + does not exist, or has been expired, and is only used + by the :class:`.Value` key-management object in conjunction + with a "createfunc" value-creation function. + + """ + raise NotImplementedError() + + def do_remove(self): + """Implement removal of the entire contents of this + :class:`.NamespaceManager`. + + e.g. for a file-based namespace, this would remove + all the files. + + The front-end to this method is the + :meth:`.NamespaceManager.remove` method. + + """ + raise NotImplementedError() + + def acquire_read_lock(self): + """Establish a read lock. + + This operation is called before a key is read. By + default the function does nothing. + + """ + + def release_read_lock(self): + """Release a read lock. + + This operation is called after a key is read. By + default the function does nothing. + + """ + + def acquire_write_lock(self, wait=True, replace=False): + """Establish a write lock. + + This operation is called before a key is written. + A return value of ``True`` indicates the lock has + been acquired. + + By default the function returns ``True`` unconditionally. + + 'replace' is a hint indicating the full contents + of the namespace may be safely discarded. Some backends + may implement this (i.e. file backend won't unpickle the + current contents). + + """ + return True + + def release_write_lock(self): + """Release a write lock. + + This operation is called after a new value is written. + By default this function does nothing. + + """ + + def has_key(self, key): + """Return ``True`` if the given key is present in this + :class:`.Namespace`. + """ + return self.__contains__(key) + + def __getitem__(self, key): + raise NotImplementedError() + + def __setitem__(self, key, value): + raise NotImplementedError() + + def set_value(self, key, value, expiretime=None): + """Sets a value in this :class:`.NamespaceManager`. + + This is the same as ``__setitem__()``, but + also allows an expiration time to be passed + at the same time. + + """ + self[key] = value + + def __contains__(self, key): + raise NotImplementedError() + + def __delitem__(self, key): + raise NotImplementedError() + + def keys(self): + """Return the list of all keys. + + This method may not be supported by all + :class:`.NamespaceManager` implementations. + + """ + raise NotImplementedError() + + def remove(self): + """Remove the entire contents of this + :class:`.NamespaceManager`. + + e.g. for a file-based namespace, this would remove + all the files. + """ + self.do_remove() + + +class OpenResourceNamespaceManager(NamespaceManager): + """A NamespaceManager where read/write operations require opening/ + closing of a resource which is possibly mutexed. + + """ + def __init__(self, namespace): + NamespaceManager.__init__(self, namespace) + self.access_lock = self.get_access_lock() + self.openers = 0 + self.mutex = _threading.Lock() + + def get_access_lock(self): + raise NotImplementedError() + + def do_open(self, flags, replace): + raise NotImplementedError() + + def do_close(self): + raise NotImplementedError() + + def acquire_read_lock(self): + self.access_lock.acquire_read_lock() + try: + self.open('r', checkcount=True) + except: + self.access_lock.release_read_lock() + raise + + def release_read_lock(self): + try: + self.close(checkcount=True) + finally: + self.access_lock.release_read_lock() + + def acquire_write_lock(self, wait=True, replace=False): + r = self.access_lock.acquire_write_lock(wait) + try: + if (wait or r): + self.open('c', checkcount=True, replace=replace) + return r + except: + self.access_lock.release_write_lock() + raise + + def release_write_lock(self): + try: + self.close(checkcount=True) + finally: + self.access_lock.release_write_lock() + + def open(self, flags, checkcount=False, replace=False): + self.mutex.acquire() + try: + if checkcount: + if self.openers == 0: + self.do_open(flags, replace) + self.openers += 1 + else: + self.do_open(flags, replace) + self.openers = 1 + finally: + self.mutex.release() + + def close(self, checkcount=False): + self.mutex.acquire() + try: + if checkcount: + self.openers -= 1 + if self.openers == 0: + self.do_close() + else: + if self.openers > 0: + self.do_close() + self.openers = 0 + finally: + self.mutex.release() + + def remove(self): + self.access_lock.acquire_write_lock() + try: + self.close(checkcount=False) + self.do_remove() + finally: + self.access_lock.release_write_lock() + + +class Value(object): + """Implements synchronization, expiration, and value-creation logic + for a single value stored in a :class:`.NamespaceManager`. + + """ + + __slots__ = 'key', 'createfunc', 'expiretime', 'expire_argument', 'starttime', 'storedtime',\ + 'namespace' + + def __init__(self, key, namespace, createfunc=None, expiretime=None, starttime=None): + self.key = key + self.createfunc = createfunc + self.expire_argument = expiretime + self.starttime = starttime + self.storedtime = -1 + self.namespace = namespace + + def has_value(self): + """return true if the container has a value stored. + + This is regardless of it being expired or not. + + """ + self.namespace.acquire_read_lock() + try: + return self.key in self.namespace + finally: + self.namespace.release_read_lock() + + def can_have_value(self): + return self.has_current_value() or self.createfunc is not None + + def has_current_value(self): + self.namespace.acquire_read_lock() + try: + has_value = self.key in self.namespace + if has_value: + try: + stored, expired, value = self._get_value() + return not self._is_expired(stored, expired) + except KeyError: + pass + return False + finally: + self.namespace.release_read_lock() + + def _is_expired(self, storedtime, expiretime): + """Return true if this container's value is expired.""" + return ( + ( + self.starttime is not None and + storedtime < self.starttime + ) + or + ( + expiretime is not None and + time.time() >= expiretime + storedtime + ) + ) + + def get_value(self): + self.namespace.acquire_read_lock() + try: + has_value = self.has_value() + if has_value: + try: + stored, expired, value = self._get_value() + if not self._is_expired(stored, expired): + return value + except KeyError: + # guard against un-mutexed backends raising KeyError + has_value = False + + if not self.createfunc: + raise KeyError(self.key) + finally: + self.namespace.release_read_lock() + + has_createlock = False + creation_lock = self.namespace.get_creation_lock(self.key) + if has_value: + if not creation_lock.acquire(wait=False): + debug("get_value returning old value while new one is created") + return value + else: + debug("lock_creatfunc (didnt wait)") + has_createlock = True + + if not has_createlock: + debug("lock_createfunc (waiting)") + creation_lock.acquire() + debug("lock_createfunc (waited)") + + try: + # see if someone created the value already + self.namespace.acquire_read_lock() + try: + if self.has_value(): + try: + stored, expired, value = self._get_value() + if not self._is_expired(stored, expired): + return value + except KeyError: + # guard against un-mutexed backends raising KeyError + pass + finally: + self.namespace.release_read_lock() + + debug("get_value creating new value") + v = self.createfunc() + self.set_value(v) + return v + finally: + creation_lock.release() + debug("released create lock") + + def _get_value(self): + value = self.namespace[self.key] + try: + stored, expired, value = value + except ValueError: + if not len(value) == 2: + raise + # Old format: upgrade + stored, value = value + expired = self.expire_argument + debug("get_value upgrading time %r expire time %r", stored, self.expire_argument) + self.namespace.release_read_lock() + self.set_value(value, stored) + self.namespace.acquire_read_lock() + except TypeError: + # occurs when the value is None. memcached + # may yank the rug from under us in which case + # that's the result + raise KeyError(self.key) + return stored, expired, value + + def set_value(self, value, storedtime=None): + self.namespace.acquire_write_lock() + try: + if storedtime is None: + storedtime = time.time() + debug("set_value stored time %r expire time %r", storedtime, self.expire_argument) + self.namespace.set_value(self.key, (storedtime, self.expire_argument, value)) + finally: + self.namespace.release_write_lock() + + def clear_value(self): + self.namespace.acquire_write_lock() + try: + debug("clear_value") + if self.key in self.namespace: + try: + del self.namespace[self.key] + except KeyError: + # guard against un-mutexed backends raising KeyError + pass + self.storedtime = -1 + finally: + self.namespace.release_write_lock() + + +class AbstractDictionaryNSManager(NamespaceManager): + """A subclassable NamespaceManager that places data in a dictionary. + + Subclasses should provide a "dictionary" attribute or descriptor + which returns a dict-like object. The dictionary will store keys + that are local to the "namespace" attribute of this manager, so + ensure that the dictionary will not be used by any other namespace. + + e.g.:: + + import collections + cached_data = collections.defaultdict(dict) + + class MyDictionaryManager(AbstractDictionaryNSManager): + def __init__(self, namespace): + AbstractDictionaryNSManager.__init__(self, namespace) + self.dictionary = cached_data[self.namespace] + + The above stores data in a global dictionary called "cached_data", + which is structured as a dictionary of dictionaries, keyed + first on namespace name to a sub-dictionary, then on actual + cache key to value. + + """ + + def get_creation_lock(self, key): + return NameLock( + identifier="memorynamespace/funclock/%s/%s" % + (self.namespace, key), + reentrant=True + ) + + def __getitem__(self, key): + return self.dictionary[key] + + def __contains__(self, key): + return self.dictionary.__contains__(key) + + def has_key(self, key): + return self.dictionary.__contains__(key) + + def __setitem__(self, key, value): + self.dictionary[key] = value + + def __delitem__(self, key): + del self.dictionary[key] + + def do_remove(self): + self.dictionary.clear() + + def keys(self): + return self.dictionary.keys() + + +class MemoryNamespaceManager(AbstractDictionaryNSManager): + """:class:`.NamespaceManager` that uses a Python dictionary for storage.""" + + namespaces = util.SyncDict() + + def __init__(self, namespace, **kwargs): + AbstractDictionaryNSManager.__init__(self, namespace) + self.dictionary = MemoryNamespaceManager.\ + namespaces.get(self.namespace, dict) + + +class DBMNamespaceManager(OpenResourceNamespaceManager): + """:class:`.NamespaceManager` that uses ``dbm`` files for storage.""" + + def __init__(self, namespace, dbmmodule=None, data_dir=None, + dbm_dir=None, lock_dir=None, + digest_filenames=True, **kwargs): + self.digest_filenames = digest_filenames + + if not dbm_dir and not data_dir: + raise MissingCacheParameter("data_dir or dbm_dir is required") + elif dbm_dir: + self.dbm_dir = dbm_dir + else: + self.dbm_dir = data_dir + "/container_dbm" + util.verify_directory(self.dbm_dir) + + if not lock_dir and not data_dir: + raise MissingCacheParameter("data_dir or lock_dir is required") + elif lock_dir: + self.lock_dir = lock_dir + else: + self.lock_dir = data_dir + "/container_dbm_lock" + util.verify_directory(self.lock_dir) + + self.dbmmodule = dbmmodule or anydbm + + self.dbm = None + OpenResourceNamespaceManager.__init__(self, namespace) + + self.file = util.encoded_path(root=self.dbm_dir, + identifiers=[self.namespace], + extension='.dbm', + digest_filenames=self.digest_filenames) + + debug("data file %s", self.file) + self._checkfile() + + def get_access_lock(self): + return file_synchronizer(identifier=self.namespace, + lock_dir=self.lock_dir) + + def get_creation_lock(self, key): + return file_synchronizer( + identifier="dbmcontainer/funclock/%s/%s" % ( + self.namespace, key + ), + lock_dir=self.lock_dir + ) + + def file_exists(self, file): + if os.access(file, os.F_OK): + return True + else: + for ext in ('db', 'dat', 'pag', 'dir'): + if os.access(file + os.extsep + ext, os.F_OK): + return True + + return False + + def _checkfile(self): + if not self.file_exists(self.file): + g = self.dbmmodule.open(self.file, 'c') + g.close() + + def get_filenames(self): + list = [] + if os.access(self.file, os.F_OK): + list.append(self.file) + + for ext in ('pag', 'dir', 'db', 'dat'): + if os.access(self.file + os.extsep + ext, os.F_OK): + list.append(self.file + os.extsep + ext) + return list + + def do_open(self, flags, replace): + debug("opening dbm file %s", self.file) + try: + self.dbm = self.dbmmodule.open(self.file, flags) + except: + self._checkfile() + self.dbm = self.dbmmodule.open(self.file, flags) + + def do_close(self): + if self.dbm is not None: + debug("closing dbm file %s", self.file) + self.dbm.close() + + def do_remove(self): + for f in self.get_filenames(): + os.remove(f) + + def __getitem__(self, key): + return cPickle.loads(self.dbm[key]) + + def __contains__(self, key): + return key in self.dbm + + def __setitem__(self, key, value): + self.dbm[key] = cPickle.dumps(value) + + def __delitem__(self, key): + del self.dbm[key] + + def keys(self): + return self.dbm.keys() + + +class FileNamespaceManager(OpenResourceNamespaceManager): + """:class:`.NamespaceManager` that uses binary files for storage. + + Each namespace is implemented as a single file storing a + dictionary of key/value pairs, serialized using the Python + ``pickle`` module. + + """ + def __init__(self, namespace, data_dir=None, file_dir=None, lock_dir=None, + digest_filenames=True, **kwargs): + self.digest_filenames = digest_filenames + + if not file_dir and not data_dir: + raise MissingCacheParameter("data_dir or file_dir is required") + elif file_dir: + self.file_dir = file_dir + else: + self.file_dir = data_dir + "/container_file" + util.verify_directory(self.file_dir) + + if not lock_dir and not data_dir: + raise MissingCacheParameter("data_dir or lock_dir is required") + elif lock_dir: + self.lock_dir = lock_dir + else: + self.lock_dir = data_dir + "/container_file_lock" + util.verify_directory(self.lock_dir) + OpenResourceNamespaceManager.__init__(self, namespace) + + self.file = util.encoded_path(root=self.file_dir, + identifiers=[self.namespace], + extension='.cache', + digest_filenames=self.digest_filenames) + self.hash = {} + + debug("data file %s", self.file) + + def get_access_lock(self): + return file_synchronizer(identifier=self.namespace, + lock_dir=self.lock_dir) + + def get_creation_lock(self, key): + return file_synchronizer( + identifier="dbmcontainer/funclock/%s/%s" % ( + self.namespace, key + ), + lock_dir=self.lock_dir + ) + + def file_exists(self, file): + return os.access(file, os.F_OK) + + def do_open(self, flags, replace): + if not replace and self.file_exists(self.file): + fh = open(self.file, 'rb') + self.hash = cPickle.load(fh) + fh.close() + + self.flags = flags + + def do_close(self): + if self.flags == 'c' or self.flags == 'w': + fh = open(self.file, 'wb') + cPickle.dump(self.hash, fh) + fh.close() + + self.hash = {} + self.flags = None + + def do_remove(self): + try: + os.remove(self.file) + except OSError: + # for instance, because we haven't yet used this cache, + # but client code has asked for a clear() operation... + pass + self.hash = {} + + def __getitem__(self, key): + return self.hash[key] + + def __contains__(self, key): + return key in self.hash + + def __setitem__(self, key, value): + self.hash[key] = value + + def __delitem__(self, key): + del self.hash[key] + + def keys(self): + return self.hash.keys() + + +#### legacy stuff to support the old "Container" class interface + +namespace_classes = {} + +ContainerContext = dict + + +class ContainerMeta(type): + def __init__(cls, classname, bases, dict_): + namespace_classes[cls] = cls.namespace_class + return type.__init__(cls, classname, bases, dict_) + + def __call__(self, key, context, namespace, createfunc=None, + expiretime=None, starttime=None, **kwargs): + if namespace in context: + ns = context[namespace] + else: + nscls = namespace_classes[self] + context[namespace] = ns = nscls(namespace, **kwargs) + return Value(key, ns, createfunc=createfunc, + expiretime=expiretime, starttime=starttime) + + +class Container(object): + """Implements synchronization and value-creation logic + for a 'value' stored in a :class:`.NamespaceManager`. + + :class:`.Container` and its subclasses are deprecated. The + :class:`.Value` class is now used for this purpose. + + """ + __metaclass__ = ContainerMeta + namespace_class = NamespaceManager + + +class FileContainer(Container): + namespace_class = FileNamespaceManager + + +class MemoryContainer(Container): + namespace_class = MemoryNamespaceManager + + +class DBMContainer(Container): + namespace_class = DBMNamespaceManager + +DbmContainer = DBMContainer diff --git a/pyload/lib/beaker/converters.py b/pyload/lib/beaker/converters.py new file mode 100644 index 000000000..3fb80692f --- /dev/null +++ b/pyload/lib/beaker/converters.py @@ -0,0 +1,29 @@ + + +# (c) 2005 Ian Bicking and contributors; written for Paste (http://pythonpaste.org) +# Licensed under the MIT license: http://www.opensource.org/licenses/mit-license.php +def asbool(obj): + if isinstance(obj, (str, unicode)): + obj = obj.strip().lower() + if obj in ['true', 'yes', 'on', 'y', 't', '1']: + return True + elif obj in ['false', 'no', 'off', 'n', 'f', '0']: + return False + else: + raise ValueError( + "String is not true/false: %r" % obj) + return bool(obj) + + +def aslist(obj, sep=None, strip=True): + if isinstance(obj, (str, unicode)): + lst = obj.split(sep) + if strip: + lst = [v.strip() for v in lst] + return lst + elif isinstance(obj, (list, tuple)): + return obj + elif obj is None: + return [] + else: + return [obj] diff --git a/pyload/lib/beaker/crypto/__init__.py b/pyload/lib/beaker/crypto/__init__.py new file mode 100644 index 000000000..ac13da527 --- /dev/null +++ b/pyload/lib/beaker/crypto/__init__.py @@ -0,0 +1,44 @@ +from warnings import warn + +from beaker.crypto.pbkdf2 import PBKDF2, strxor +from beaker.crypto.util import hmac, sha1, hmac_sha1, md5 +from beaker import util + +keyLength = None + +if util.jython: + try: + from beaker.crypto.jcecrypto import getKeyLength, aesEncrypt + keyLength = getKeyLength() + except ImportError: + pass +else: + try: + from beaker.crypto.nsscrypto import getKeyLength, aesEncrypt, aesDecrypt + keyLength = getKeyLength() + except ImportError: + try: + from beaker.crypto.pycrypto import getKeyLength, aesEncrypt, aesDecrypt + keyLength = getKeyLength() + except ImportError: + pass + +if not keyLength: + has_aes = False +else: + has_aes = True + +if has_aes and keyLength < 32: + warn('Crypto implementation only supports key lengths up to %d bits. ' + 'Generated session cookies may be incompatible with other ' + 'environments' % (keyLength * 8)) + + +def generateCryptoKeys(master_key, salt, iterations): + # NB: We XOR parts of the keystream into the randomly-generated parts, just + # in case os.urandom() isn't as random as it should be. Note that if + # os.urandom() returns truly random data, this will have no effect on the + # overall security. + keystream = PBKDF2(master_key, salt, iterations=iterations) + cipher_key = keystream.read(keyLength) + return cipher_key diff --git a/pyload/lib/beaker/crypto/jcecrypto.py b/pyload/lib/beaker/crypto/jcecrypto.py new file mode 100644 index 000000000..ce313d6e1 --- /dev/null +++ b/pyload/lib/beaker/crypto/jcecrypto.py @@ -0,0 +1,32 @@ +""" +Encryption module that uses the Java Cryptography Extensions (JCE). + +Note that in default installations of the Java Runtime Environment, the +maximum key length is limited to 128 bits due to US export +restrictions. This makes the generated keys incompatible with the ones +generated by pycryptopp, which has no such restrictions. To fix this, +download the "Unlimited Strength Jurisdiction Policy Files" from Sun, +which will allow encryption using 256 bit AES keys. +""" +from javax.crypto import Cipher +from javax.crypto.spec import SecretKeySpec, IvParameterSpec + +import jarray + +# Initialization vector filled with zeros +_iv = IvParameterSpec(jarray.zeros(16, 'b')) + + +def aesEncrypt(data, key): + cipher = Cipher.getInstance('AES/CTR/NoPadding') + skeySpec = SecretKeySpec(key, 'AES') + cipher.init(Cipher.ENCRYPT_MODE, skeySpec, _iv) + return cipher.doFinal(data).tostring() + +# magic. +aesDecrypt = aesEncrypt + + +def getKeyLength(): + maxlen = Cipher.getMaxAllowedKeyLength('AES/CTR/NoPadding') + return min(maxlen, 256) / 8 diff --git a/pyload/lib/beaker/crypto/nsscrypto.py b/pyload/lib/beaker/crypto/nsscrypto.py new file mode 100644 index 000000000..3a7797877 --- /dev/null +++ b/pyload/lib/beaker/crypto/nsscrypto.py @@ -0,0 +1,45 @@ +"""Encryption module that uses nsscrypto""" +import nss.nss + +nss.nss.nss_init_nodb() + +# Apparently the rest of beaker doesn't care about the particluar cipher, +# mode and padding used. +# NOTE: A constant IV!!! This is only secure if the KEY is never reused!!! +_mech = nss.nss.CKM_AES_CBC_PAD +_iv = '\0' * nss.nss.get_iv_length(_mech) + +def aesEncrypt(data, key): + slot = nss.nss.get_best_slot(_mech) + + key_obj = nss.nss.import_sym_key(slot, _mech, nss.nss.PK11_OriginGenerated, + nss.nss.CKA_ENCRYPT, nss.nss.SecItem(key)) + + param = nss.nss.param_from_iv(_mech, nss.nss.SecItem(_iv)) + ctx = nss.nss.create_context_by_sym_key(_mech, nss.nss.CKA_ENCRYPT, key_obj, + param) + l1 = ctx.cipher_op(data) + # Yes, DIGEST. This needs fixing in NSS, but apparently nobody (including + # me :( ) cares enough. + l2 = ctx.digest_final() + + return l1 + l2 + +def aesDecrypt(data, key): + slot = nss.nss.get_best_slot(_mech) + + key_obj = nss.nss.import_sym_key(slot, _mech, nss.nss.PK11_OriginGenerated, + nss.nss.CKA_DECRYPT, nss.nss.SecItem(key)) + + param = nss.nss.param_from_iv(_mech, nss.nss.SecItem(_iv)) + ctx = nss.nss.create_context_by_sym_key(_mech, nss.nss.CKA_DECRYPT, key_obj, + param) + l1 = ctx.cipher_op(data) + # Yes, DIGEST. This needs fixing in NSS, but apparently nobody (including + # me :( ) cares enough. + l2 = ctx.digest_final() + + return l1 + l2 + +def getKeyLength(): + return 32 diff --git a/pyload/lib/beaker/crypto/pbkdf2.py b/pyload/lib/beaker/crypto/pbkdf2.py new file mode 100644 index 000000000..71df22198 --- /dev/null +++ b/pyload/lib/beaker/crypto/pbkdf2.py @@ -0,0 +1,347 @@ +#!/usr/bin/python +# -*- coding: ascii -*- +########################################################################### +# PBKDF2.py - PKCS#5 v2.0 Password-Based Key Derivation +# +# Copyright (C) 2007 Dwayne C. Litzenberger <dlitz@dlitz.net> +# All rights reserved. +# +# Permission to use, copy, modify, and distribute this software and its +# documentation for any purpose and without fee is hereby granted, +# provided that the above copyright notice appear in all copies and that +# both that copyright notice and this permission notice appear in +# supporting documentation. +# +# THE AUTHOR PROVIDES THIS SOFTWARE ``AS IS'' AND ANY EXPRESSED OR +# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES +# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. +# IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, +# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT +# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +# +# Country of origin: Canada +# +########################################################################### +# Sample PBKDF2 usage: +# from Crypto.Cipher import AES +# from PBKDF2 import PBKDF2 +# import os +# +# salt = os.urandom(8) # 64-bit salt +# key = PBKDF2("This passphrase is a secret.", salt).read(32) # 256-bit key +# iv = os.urandom(16) # 128-bit IV +# cipher = AES.new(key, AES.MODE_CBC, iv) +# ... +# +# Sample crypt() usage: +# from PBKDF2 import crypt +# pwhash = crypt("secret") +# alleged_pw = raw_input("Enter password: ") +# if pwhash == crypt(alleged_pw, pwhash): +# print "Password good" +# else: +# print "Invalid password" +# +########################################################################### +# History: +# +# 2007-07-27 Dwayne C. Litzenberger <dlitz@dlitz.net> +# - Initial Release (v1.0) +# +# 2007-07-31 Dwayne C. Litzenberger <dlitz@dlitz.net> +# - Bugfix release (v1.1) +# - SECURITY: The PyCrypto XOR cipher (used, if available, in the _strxor +# function in the previous release) silently truncates all keys to 64 +# bytes. The way it was used in the previous release, this would only be +# problem if the pseudorandom function that returned values larger than +# 64 bytes (so SHA1, SHA256 and SHA512 are fine), but I don't like +# anything that silently reduces the security margin from what is +# expected. +# +########################################################################### + +__version__ = "1.1" + +from struct import pack +from binascii import b2a_hex +from random import randint + +from base64 import b64encode + +from beaker.crypto.util import hmac as HMAC, hmac_sha1 as SHA1 + + +def strxor(a, b): + return "".join([chr(ord(x) ^ ord(y)) for (x, y) in zip(a, b)]) + + +class PBKDF2(object): + """PBKDF2.py : PKCS#5 v2.0 Password-Based Key Derivation + + This implementation takes a passphrase and a salt (and optionally an + iteration count, a digest module, and a MAC module) and provides a + file-like object from which an arbitrarily-sized key can be read. + + If the passphrase and/or salt are unicode objects, they are encoded as + UTF-8 before they are processed. + + The idea behind PBKDF2 is to derive a cryptographic key from a + passphrase and a salt. + + PBKDF2 may also be used as a strong salted password hash. The + 'crypt' function is provided for that purpose. + + Remember: Keys generated using PBKDF2 are only as strong as the + passphrases they are derived from. + """ + + def __init__(self, passphrase, salt, iterations=1000, + digestmodule=SHA1, macmodule=HMAC): + if not callable(macmodule): + macmodule = macmodule.new + self.__macmodule = macmodule + self.__digestmodule = digestmodule + self._setup(passphrase, salt, iterations, self._pseudorandom) + + def _pseudorandom(self, key, msg): + """Pseudorandom function. e.g. HMAC-SHA1""" + return self.__macmodule(key=key, msg=msg, + digestmod=self.__digestmodule).digest() + + def read(self, bytes): + """Read the specified number of key bytes.""" + if self.closed: + raise ValueError("file-like object is closed") + + size = len(self.__buf) + blocks = [self.__buf] + i = self.__blockNum + while size < bytes: + i += 1 + if i > 0xffffffff: + # We could return "" here, but + raise OverflowError("derived key too long") + block = self.__f(i) + blocks.append(block) + size += len(block) + buf = "".join(blocks) + retval = buf[:bytes] + self.__buf = buf[bytes:] + self.__blockNum = i + return retval + + def __f(self, i): + # i must fit within 32 bits + assert (1 <= i and i <= 0xffffffff) + U = self.__prf(self.__passphrase, self.__salt + pack("!L", i)) + result = U + for j in xrange(2, 1 + self.__iterations): + U = self.__prf(self.__passphrase, U) + result = strxor(result, U) + return result + + def hexread(self, octets): + """Read the specified number of octets. Return them as hexadecimal. + + Note that len(obj.hexread(n)) == 2*n. + """ + return b2a_hex(self.read(octets)) + + def _setup(self, passphrase, salt, iterations, prf): + # Sanity checks: + + # passphrase and salt must be str or unicode (in the latter + # case, we convert to UTF-8) + if isinstance(passphrase, unicode): + passphrase = passphrase.encode("UTF-8") + if not isinstance(passphrase, str): + raise TypeError("passphrase must be str or unicode") + if isinstance(salt, unicode): + salt = salt.encode("UTF-8") + if not isinstance(salt, str): + raise TypeError("salt must be str or unicode") + + # iterations must be an integer >= 1 + if not isinstance(iterations, (int, long)): + raise TypeError("iterations must be an integer") + if iterations < 1: + raise ValueError("iterations must be at least 1") + + # prf must be callable + if not callable(prf): + raise TypeError("prf must be callable") + + self.__passphrase = passphrase + self.__salt = salt + self.__iterations = iterations + self.__prf = prf + self.__blockNum = 0 + self.__buf = "" + self.closed = False + + def close(self): + """Close the stream.""" + if not self.closed: + del self.__passphrase + del self.__salt + del self.__iterations + del self.__prf + del self.__blockNum + del self.__buf + self.closed = True + + +def crypt(word, salt=None, iterations=None): + """PBKDF2-based unix crypt(3) replacement. + + The number of iterations specified in the salt overrides the 'iterations' + parameter. + + The effective hash length is 192 bits. + """ + + # Generate a (pseudo-)random salt if the user hasn't provided one. + if salt is None: + salt = _makesalt() + + # salt must be a string or the us-ascii subset of unicode + if isinstance(salt, unicode): + salt = salt.encode("us-ascii") + if not isinstance(salt, str): + raise TypeError("salt must be a string") + + # word must be a string or unicode (in the latter case, we convert to UTF-8) + if isinstance(word, unicode): + word = word.encode("UTF-8") + if not isinstance(word, str): + raise TypeError("word must be a string or unicode") + + # Try to extract the real salt and iteration count from the salt + if salt.startswith("$p5k2$"): + (iterations, salt, dummy) = salt.split("$")[2:5] + if iterations == "": + iterations = 400 + else: + converted = int(iterations, 16) + if iterations != "%x" % converted: # lowercase hex, minimum digits + raise ValueError("Invalid salt") + iterations = converted + if not (iterations >= 1): + raise ValueError("Invalid salt") + + # Make sure the salt matches the allowed character set + allowed = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789./" + for ch in salt: + if ch not in allowed: + raise ValueError("Illegal character %r in salt" % (ch,)) + + if iterations is None or iterations == 400: + iterations = 400 + salt = "$p5k2$$" + salt + else: + salt = "$p5k2$%x$%s" % (iterations, salt) + rawhash = PBKDF2(word, salt, iterations).read(24) + return salt + "$" + b64encode(rawhash, "./") + +# Add crypt as a static method of the PBKDF2 class +# This makes it easier to do "from PBKDF2 import PBKDF2" and still use +# crypt. +PBKDF2.crypt = staticmethod(crypt) + + +def _makesalt(): + """Return a 48-bit pseudorandom salt for crypt(). + + This function is not suitable for generating cryptographic secrets. + """ + binarysalt = "".join([pack("@H", randint(0, 0xffff)) for i in range(3)]) + return b64encode(binarysalt, "./") + + +def test_pbkdf2(): + """Module self-test""" + from binascii import a2b_hex + + # + # Test vectors from RFC 3962 + # + + # Test 1 + result = PBKDF2("password", "ATHENA.MIT.EDUraeburn", 1).read(16) + expected = a2b_hex("cdedb5281bb2f801565a1122b2563515") + if result != expected: + raise RuntimeError("self-test failed") + + # Test 2 + result = PBKDF2("password", "ATHENA.MIT.EDUraeburn", 1200).hexread(32) + expected = ("5c08eb61fdf71e4e4ec3cf6ba1f5512b" + "a7e52ddbc5e5142f708a31e2e62b1e13") + if result != expected: + raise RuntimeError("self-test failed") + + # Test 3 + result = PBKDF2("X" * 64, "pass phrase equals block size", 1200).hexread(32) + expected = ("139c30c0966bc32ba55fdbf212530ac9" + "c5ec59f1a452f5cc9ad940fea0598ed1") + if result != expected: + raise RuntimeError("self-test failed") + + # Test 4 + result = PBKDF2("X" * 65, "pass phrase exceeds block size", 1200).hexread(32) + expected = ("9ccad6d468770cd51b10e6a68721be61" + "1a8b4d282601db3b36be9246915ec82a") + if result != expected: + raise RuntimeError("self-test failed") + + # + # Other test vectors + # + + # Chunked read + f = PBKDF2("kickstart", "workbench", 256) + result = f.read(17) + result += f.read(17) + result += f.read(1) + result += f.read(2) + result += f.read(3) + expected = PBKDF2("kickstart", "workbench", 256).read(40) + if result != expected: + raise RuntimeError("self-test failed") + + # + # crypt() test vectors + # + + # crypt 1 + result = crypt("cloadm", "exec") + expected = '$p5k2$$exec$r1EWMCMk7Rlv3L/RNcFXviDefYa0hlql' + if result != expected: + raise RuntimeError("self-test failed") + + # crypt 2 + result = crypt("gnu", '$p5k2$c$u9HvcT4d$.....') + expected = '$p5k2$c$u9HvcT4d$Sd1gwSVCLZYAuqZ25piRnbBEoAesaa/g' + if result != expected: + raise RuntimeError("self-test failed") + + # crypt 3 + result = crypt("dcl", "tUsch7fU", iterations=13) + expected = "$p5k2$d$tUsch7fU$nqDkaxMDOFBeJsTSfABsyn.PYUXilHwL" + if result != expected: + raise RuntimeError("self-test failed") + + # crypt 4 (unicode) + result = crypt(u'\u0399\u03c9\u03b1\u03bd\u03bd\u03b7\u03c2', + '$p5k2$$KosHgqNo$9mjN8gqjt02hDoP0c2J0ABtLIwtot8cQ') + expected = '$p5k2$$KosHgqNo$9mjN8gqjt02hDoP0c2J0ABtLIwtot8cQ' + if result != expected: + raise RuntimeError("self-test failed") + +if __name__ == '__main__': + test_pbkdf2() + +# vim:set ts=4 sw=4 sts=4 expandtab: diff --git a/pyload/lib/beaker/crypto/pycrypto.py b/pyload/lib/beaker/crypto/pycrypto.py new file mode 100644 index 000000000..6657bff56 --- /dev/null +++ b/pyload/lib/beaker/crypto/pycrypto.py @@ -0,0 +1,34 @@ +"""Encryption module that uses pycryptopp or pycrypto""" +try: + # Pycryptopp is preferred over Crypto because Crypto has had + # various periods of not being maintained, and pycryptopp uses + # the Crypto++ library which is generally considered the 'gold standard' + # of crypto implementations + from pycryptopp.cipher import aes + + def aesEncrypt(data, key): + cipher = aes.AES(key) + return cipher.process(data) + + # magic. + aesDecrypt = aesEncrypt + +except ImportError: + from Crypto.Cipher import AES + from Crypto.Util import Counter + + def aesEncrypt(data, key): + cipher = AES.new(key, AES.MODE_CTR, + counter=Counter.new(128, initial_value=0)) + + return cipher.encrypt(data) + + def aesDecrypt(data, key): + cipher = AES.new(key, AES.MODE_CTR, + counter=Counter.new(128, initial_value=0)) + return cipher.decrypt(data) + + + +def getKeyLength(): + return 32 diff --git a/pyload/lib/beaker/crypto/util.py b/pyload/lib/beaker/crypto/util.py new file mode 100644 index 000000000..7f96ac856 --- /dev/null +++ b/pyload/lib/beaker/crypto/util.py @@ -0,0 +1,30 @@ +from warnings import warn +from beaker import util + + +try: + # Use PyCrypto (if available) + from Crypto.Hash import HMAC as hmac, SHA as hmac_sha1 + sha1 = hmac_sha1.new + +except ImportError: + + # PyCrypto not available. Use the Python standard library. + import hmac + + # When using the stdlib, we have to make sure the hmac version and sha + # version are compatible + if util.py24: + from sha import sha as sha1 + import sha as hmac_sha1 + else: + # NOTE: We have to use the callable with hashlib (hashlib.sha1), + # otherwise hmac only accepts the sha module object itself + from hashlib import sha1 + hmac_sha1 = sha1 + + +if util.py24: + from md5 import md5 +else: + from hashlib import md5 diff --git a/pyload/lib/beaker/exceptions.py b/pyload/lib/beaker/exceptions.py new file mode 100644 index 000000000..4f81e456d --- /dev/null +++ b/pyload/lib/beaker/exceptions.py @@ -0,0 +1,29 @@ +"""Beaker exception classes""" + + +class BeakerException(Exception): + pass + + +class BeakerWarning(RuntimeWarning): + """Issued at runtime.""" + + +class CreationAbortedError(Exception): + """Deprecated.""" + + +class InvalidCacheBackendError(BeakerException, ImportError): + pass + + +class MissingCacheParameter(BeakerException): + pass + + +class LockError(BeakerException): + pass + + +class InvalidCryptoBackendError(BeakerException): + pass diff --git a/pyload/lib/beaker/ext/__init__.py b/pyload/lib/beaker/ext/__init__.py new file mode 100644 index 000000000..e69de29bb --- /dev/null +++ b/pyload/lib/beaker/ext/__init__.py diff --git a/pyload/lib/beaker/ext/database.py b/pyload/lib/beaker/ext/database.py new file mode 100644 index 000000000..462fb8de4 --- /dev/null +++ b/pyload/lib/beaker/ext/database.py @@ -0,0 +1,174 @@ +import cPickle +import logging +import pickle +from datetime import datetime + +from beaker.container import OpenResourceNamespaceManager, Container +from beaker.exceptions import InvalidCacheBackendError, MissingCacheParameter +from beaker.synchronization import file_synchronizer, null_synchronizer +from beaker.util import verify_directory, SyncDict + +log = logging.getLogger(__name__) + +sa = None +pool = None +types = None + + +class DatabaseNamespaceManager(OpenResourceNamespaceManager): + metadatas = SyncDict() + tables = SyncDict() + + @classmethod + def _init_dependencies(cls): + global sa, pool, types + if sa is not None: + return + try: + import sqlalchemy as sa + import sqlalchemy.pool as pool + from sqlalchemy import types + except ImportError: + raise InvalidCacheBackendError("Database cache backend requires " + "the 'sqlalchemy' library") + + def __init__(self, namespace, url=None, sa_opts=None, optimistic=False, + table_name='beaker_cache', data_dir=None, lock_dir=None, + schema_name=None, **params): + """Creates a database namespace manager + + ``url`` + SQLAlchemy compliant db url + ``sa_opts`` + A dictionary of SQLAlchemy keyword options to initialize the engine + with. + ``optimistic`` + Use optimistic session locking, note that this will result in an + additional select when updating a cache value to compare version + numbers. + ``table_name`` + The table name to use in the database for the cache. + ``schema_name`` + The schema name to use in the database for the cache. + """ + OpenResourceNamespaceManager.__init__(self, namespace) + + if sa_opts is None: + sa_opts = params + + if lock_dir: + self.lock_dir = lock_dir + elif data_dir: + self.lock_dir = data_dir + "/container_db_lock" + if self.lock_dir: + verify_directory(self.lock_dir) + + # Check to see if the table's been created before + url = url or sa_opts['sa.url'] + table_key = url + table_name + + def make_cache(): + # Check to see if we have a connection pool open already + meta_key = url + table_name + + def make_meta(): + # SQLAlchemy pops the url, this ensures it sticks around + # later + sa_opts['sa.url'] = url + engine = sa.engine_from_config(sa_opts, 'sa.') + meta = sa.MetaData() + meta.bind = engine + return meta + meta = DatabaseNamespaceManager.metadatas.get(meta_key, make_meta) + # Create the table object and cache it now + cache = sa.Table(table_name, meta, + sa.Column('id', types.Integer, primary_key=True), + sa.Column('namespace', types.String(255), nullable=False), + sa.Column('accessed', types.DateTime, nullable=False), + sa.Column('created', types.DateTime, nullable=False), + sa.Column('data', types.PickleType, nullable=False), + sa.UniqueConstraint('namespace'), + schema=schema_name if schema_name else meta.schema + ) + cache.create(checkfirst=True) + return cache + self.hash = {} + self._is_new = False + self.loaded = False + self.cache = DatabaseNamespaceManager.tables.get(table_key, make_cache) + + def get_access_lock(self): + return null_synchronizer() + + def get_creation_lock(self, key): + return file_synchronizer( + identifier="databasecontainer/funclock/%s/%s" % ( + self.namespace, key + ), + lock_dir=self.lock_dir) + + def do_open(self, flags, replace): + # If we already loaded the data, don't bother loading it again + if self.loaded: + self.flags = flags + return + + cache = self.cache + result = sa.select([cache.c.data], + cache.c.namespace == self.namespace + ).execute().fetchone() + if not result: + self._is_new = True + self.hash = {} + else: + self._is_new = False + try: + self.hash = result['data'] + except (IOError, OSError, EOFError, cPickle.PickleError, + pickle.PickleError): + log.debug("Couln't load pickle data, creating new storage") + self.hash = {} + self._is_new = True + self.flags = flags + self.loaded = True + + def do_close(self): + if self.flags is not None and (self.flags == 'c' or self.flags == 'w'): + cache = self.cache + if self._is_new: + cache.insert().execute(namespace=self.namespace, data=self.hash, + accessed=datetime.now(), + created=datetime.now()) + self._is_new = False + else: + cache.update(cache.c.namespace == self.namespace).execute( + data=self.hash, accessed=datetime.now()) + self.flags = None + + def do_remove(self): + cache = self.cache + cache.delete(cache.c.namespace == self.namespace).execute() + self.hash = {} + + # We can retain the fact that we did a load attempt, but since the + # file is gone this will be a new namespace should it be saved. + self._is_new = True + + def __getitem__(self, key): + return self.hash[key] + + def __contains__(self, key): + return key in self.hash + + def __setitem__(self, key, value): + self.hash[key] = value + + def __delitem__(self, key): + del self.hash[key] + + def keys(self): + return self.hash.keys() + + +class DatabaseContainer(Container): + namespace_manager = DatabaseNamespaceManager diff --git a/pyload/lib/beaker/ext/google.py b/pyload/lib/beaker/ext/google.py new file mode 100644 index 000000000..d0a6205f4 --- /dev/null +++ b/pyload/lib/beaker/ext/google.py @@ -0,0 +1,121 @@ +import cPickle +import logging +from datetime import datetime + +from beaker.container import OpenResourceNamespaceManager, Container +from beaker.exceptions import InvalidCacheBackendError +from beaker.synchronization import null_synchronizer + +log = logging.getLogger(__name__) + +db = None + + +class GoogleNamespaceManager(OpenResourceNamespaceManager): + tables = {} + + @classmethod + def _init_dependencies(cls): + global db + if db is not None: + return + try: + db = __import__('google.appengine.ext.db').appengine.ext.db + except ImportError: + raise InvalidCacheBackendError("Datastore cache backend requires the " + "'google.appengine.ext' library") + + def __init__(self, namespace, table_name='beaker_cache', **params): + """Creates a datastore namespace manager""" + OpenResourceNamespaceManager.__init__(self, namespace) + + def make_cache(): + table_dict = dict(created=db.DateTimeProperty(), + accessed=db.DateTimeProperty(), + data=db.BlobProperty()) + table = type(table_name, (db.Model,), table_dict) + return table + self.table_name = table_name + self.cache = GoogleNamespaceManager.tables.setdefault(table_name, make_cache()) + self.hash = {} + self._is_new = False + self.loaded = False + self.log_debug = logging.DEBUG >= log.getEffectiveLevel() + + # Google wants namespaces to start with letters, change the namespace + # to start with a letter + self.namespace = 'p%s' % self.namespace + + def get_access_lock(self): + return null_synchronizer() + + def get_creation_lock(self, key): + # this is weird, should probably be present + return null_synchronizer() + + def do_open(self, flags, replace): + # If we already loaded the data, don't bother loading it again + if self.loaded: + self.flags = flags + return + + item = self.cache.get_by_key_name(self.namespace) + + if not item: + self._is_new = True + self.hash = {} + else: + self._is_new = False + try: + self.hash = cPickle.loads(str(item.data)) + except (IOError, OSError, EOFError, cPickle.PickleError): + if self.log_debug: + log.debug("Couln't load pickle data, creating new storage") + self.hash = {} + self._is_new = True + self.flags = flags + self.loaded = True + + def do_close(self): + if self.flags is not None and (self.flags == 'c' or self.flags == 'w'): + if self._is_new: + item = self.cache(key_name=self.namespace) + item.data = cPickle.dumps(self.hash) + item.created = datetime.now() + item.accessed = datetime.now() + item.put() + self._is_new = False + else: + item = self.cache.get_by_key_name(self.namespace) + item.data = cPickle.dumps(self.hash) + item.accessed = datetime.now() + item.put() + self.flags = None + + def do_remove(self): + item = self.cache.get_by_key_name(self.namespace) + item.delete() + self.hash = {} + + # We can retain the fact that we did a load attempt, but since the + # file is gone this will be a new namespace should it be saved. + self._is_new = True + + def __getitem__(self, key): + return self.hash[key] + + def __contains__(self, key): + return key in self.hash + + def __setitem__(self, key, value): + self.hash[key] = value + + def __delitem__(self, key): + del self.hash[key] + + def keys(self): + return self.hash.keys() + + +class GoogleContainer(Container): + namespace_class = GoogleNamespaceManager diff --git a/pyload/lib/beaker/ext/memcached.py b/pyload/lib/beaker/ext/memcached.py new file mode 100644 index 000000000..94e3da3c9 --- /dev/null +++ b/pyload/lib/beaker/ext/memcached.py @@ -0,0 +1,203 @@ +from __future__ import with_statement +from beaker.container import NamespaceManager, Container +from beaker.crypto.util import sha1 +from beaker.exceptions import InvalidCacheBackendError, MissingCacheParameter +from beaker.synchronization import file_synchronizer +from beaker.util import verify_directory, SyncDict, parse_memcached_behaviors +import warnings + +MAX_KEY_LENGTH = 250 + +_client_libs = {} + + +def _load_client(name='auto'): + if name in _client_libs: + return _client_libs[name] + + def _pylibmc(): + global pylibmc + import pylibmc + return pylibmc + + def _cmemcache(): + global cmemcache + import cmemcache + warnings.warn("cmemcache is known to have serious " + "concurrency issues; consider using 'memcache' " + "or 'pylibmc'") + return cmemcache + + def _memcache(): + global memcache + import memcache + return memcache + + def _auto(): + for _client in (_pylibmc, _cmemcache, _memcache): + try: + return _client() + except ImportError: + pass + else: + raise InvalidCacheBackendError( + "Memcached cache backend requires one " + "of: 'pylibmc' or 'memcache' to be installed.") + + clients = { + 'pylibmc': _pylibmc, + 'cmemcache': _cmemcache, + 'memcache': _memcache, + 'auto': _auto + } + _client_libs[name] = clib = clients[name]() + return clib + + +def _is_configured_for_pylibmc(memcache_module_config, memcache_client): + return memcache_module_config == 'pylibmc' or \ + memcache_client.__name__.startswith('pylibmc') + + +class MemcachedNamespaceManager(NamespaceManager): + """Provides the :class:`.NamespaceManager` API over a memcache client library.""" + + clients = SyncDict() + + def __new__(cls, *args, **kw): + memcache_module = kw.pop('memcache_module', 'auto') + + memcache_client = _load_client(memcache_module) + + if _is_configured_for_pylibmc(memcache_module, memcache_client): + return object.__new__(PyLibMCNamespaceManager) + else: + return object.__new__(MemcachedNamespaceManager) + + def __init__(self, namespace, url, + memcache_module='auto', + data_dir=None, lock_dir=None, + **kw): + NamespaceManager.__init__(self, namespace) + + _memcache_module = _client_libs[memcache_module] + + if not url: + raise MissingCacheParameter("url is required") + + if lock_dir: + self.lock_dir = lock_dir + elif data_dir: + self.lock_dir = data_dir + "/container_mcd_lock" + if self.lock_dir: + verify_directory(self.lock_dir) + + # Check for pylibmc namespace manager, in which case client will be + # instantiated by subclass __init__, to handle behavior passing to the + # pylibmc client + if not _is_configured_for_pylibmc(memcache_module, _memcache_module): + self.mc = MemcachedNamespaceManager.clients.get( + (memcache_module, url), + _memcache_module.Client, + url.split(';')) + + def get_creation_lock(self, key): + return file_synchronizer( + identifier="memcachedcontainer/funclock/%s/%s" % + (self.namespace, key), lock_dir=self.lock_dir) + + def _format_key(self, key): + if not isinstance(key, str): + key = key.decode('ascii') + formated_key = (self.namespace + '_' + key).replace(' ', '\302\267') + if len(formated_key) > MAX_KEY_LENGTH: + formated_key = sha1(formated_key).hexdigest() + return formated_key + + def __getitem__(self, key): + return self.mc.get(self._format_key(key)) + + def __contains__(self, key): + value = self.mc.get(self._format_key(key)) + return value is not None + + def has_key(self, key): + return key in self + + def set_value(self, key, value, expiretime=None): + if expiretime: + self.mc.set(self._format_key(key), value, time=expiretime) + else: + self.mc.set(self._format_key(key), value) + + def __setitem__(self, key, value): + self.set_value(key, value) + + def __delitem__(self, key): + self.mc.delete(self._format_key(key)) + + def do_remove(self): + self.mc.flush_all() + + def keys(self): + raise NotImplementedError( + "Memcache caching does not " + "support iteration of all cache keys") + + +class PyLibMCNamespaceManager(MemcachedNamespaceManager): + """Provide thread-local support for pylibmc.""" + + def __init__(self, *arg, **kw): + super(PyLibMCNamespaceManager, self).__init__(*arg, **kw) + + memcache_module = kw.get('memcache_module', 'auto') + _memcache_module = _client_libs[memcache_module] + protocol = kw.get('protocol', 'text') + username = kw.get('username', None) + password = kw.get('password', None) + url = kw.get('url') + behaviors = parse_memcached_behaviors(kw) + + self.mc = MemcachedNamespaceManager.clients.get( + (memcache_module, url), + _memcache_module.Client, + servers=url.split(';'), behaviors=behaviors, + binary=(protocol == 'binary'), username=username, + password=password) + self.pool = pylibmc.ThreadMappedPool(self.mc) + + def __getitem__(self, key): + with self.pool.reserve() as mc: + return mc.get(self._format_key(key)) + + def __contains__(self, key): + with self.pool.reserve() as mc: + value = mc.get(self._format_key(key)) + return value is not None + + def has_key(self, key): + return key in self + + def set_value(self, key, value, expiretime=None): + with self.pool.reserve() as mc: + if expiretime: + mc.set(self._format_key(key), value, time=expiretime) + else: + mc.set(self._format_key(key), value) + + def __setitem__(self, key, value): + self.set_value(key, value) + + def __delitem__(self, key): + with self.pool.reserve() as mc: + mc.delete(self._format_key(key)) + + def do_remove(self): + with self.pool.reserve() as mc: + mc.flush_all() + + +class MemcachedContainer(Container): + """Container class which invokes :class:`.MemcacheNamespaceManager`.""" + namespace_class = MemcachedNamespaceManager diff --git a/pyload/lib/beaker/ext/sqla.py b/pyload/lib/beaker/ext/sqla.py new file mode 100644 index 000000000..6405c2919 --- /dev/null +++ b/pyload/lib/beaker/ext/sqla.py @@ -0,0 +1,136 @@ +import cPickle +import logging +import pickle +from datetime import datetime + +from beaker.container import OpenResourceNamespaceManager, Container +from beaker.exceptions import InvalidCacheBackendError, MissingCacheParameter +from beaker.synchronization import file_synchronizer, null_synchronizer +from beaker.util import verify_directory, SyncDict + + +log = logging.getLogger(__name__) + +sa = None + + +class SqlaNamespaceManager(OpenResourceNamespaceManager): + binds = SyncDict() + tables = SyncDict() + + @classmethod + def _init_dependencies(cls): + global sa + if sa is not None: + return + try: + import sqlalchemy as sa + except ImportError: + raise InvalidCacheBackendError("SQLAlchemy, which is required by " + "this backend, is not installed") + + def __init__(self, namespace, bind, table, data_dir=None, lock_dir=None, + **kwargs): + """Create a namespace manager for use with a database table via + SQLAlchemy. + + ``bind`` + SQLAlchemy ``Engine`` or ``Connection`` object + + ``table`` + SQLAlchemy ``Table`` object in which to store namespace data. + This should usually be something created by ``make_cache_table``. + """ + OpenResourceNamespaceManager.__init__(self, namespace) + + if lock_dir: + self.lock_dir = lock_dir + elif data_dir: + self.lock_dir = data_dir + "/container_db_lock" + if self.lock_dir: + verify_directory(self.lock_dir) + + self.bind = self.__class__.binds.get(str(bind.url), lambda: bind) + self.table = self.__class__.tables.get('%s:%s' % (bind.url, table.name), + lambda: table) + self.hash = {} + self._is_new = False + self.loaded = False + + def get_access_lock(self): + return null_synchronizer() + + def get_creation_lock(self, key): + return file_synchronizer( + identifier="databasecontainer/funclock/%s" % self.namespace, + lock_dir=self.lock_dir) + + def do_open(self, flags, replace): + if self.loaded: + self.flags = flags + return + select = sa.select([self.table.c.data], + (self.table.c.namespace == self.namespace)) + result = self.bind.execute(select).fetchone() + if not result: + self._is_new = True + self.hash = {} + else: + self._is_new = False + try: + self.hash = result['data'] + except (IOError, OSError, EOFError, cPickle.PickleError, + pickle.PickleError): + log.debug("Couln't load pickle data, creating new storage") + self.hash = {} + self._is_new = True + self.flags = flags + self.loaded = True + + def do_close(self): + if self.flags is not None and (self.flags == 'c' or self.flags == 'w'): + if self._is_new: + insert = self.table.insert() + self.bind.execute(insert, namespace=self.namespace, data=self.hash, + accessed=datetime.now(), created=datetime.now()) + self._is_new = False + else: + update = self.table.update(self.table.c.namespace == self.namespace) + self.bind.execute(update, data=self.hash, accessed=datetime.now()) + self.flags = None + + def do_remove(self): + delete = self.table.delete(self.table.c.namespace == self.namespace) + self.bind.execute(delete) + self.hash = {} + self._is_new = True + + def __getitem__(self, key): + return self.hash[key] + + def __contains__(self, key): + return key in self.hash + + def __setitem__(self, key, value): + self.hash[key] = value + + def __delitem__(self, key): + del self.hash[key] + + def keys(self): + return self.hash.keys() + + +class SqlaContainer(Container): + namespace_manager = SqlaNamespaceManager + + +def make_cache_table(metadata, table_name='beaker_cache', schema_name=None): + """Return a ``Table`` object suitable for storing cached values for the + namespace manager. Do not create the table.""" + return sa.Table(table_name, metadata, + sa.Column('namespace', sa.String(255), primary_key=True), + sa.Column('accessed', sa.DateTime, nullable=False), + sa.Column('created', sa.DateTime, nullable=False), + sa.Column('data', sa.PickleType, nullable=False), + schema=schema_name if schema_name else metadata.schema) diff --git a/pyload/lib/beaker/middleware.py b/pyload/lib/beaker/middleware.py new file mode 100644 index 000000000..803398584 --- /dev/null +++ b/pyload/lib/beaker/middleware.py @@ -0,0 +1,168 @@ +import warnings + +try: + from paste.registry import StackedObjectProxy + beaker_session = StackedObjectProxy(name="Beaker Session") + beaker_cache = StackedObjectProxy(name="Cache Manager") +except: + beaker_cache = None + beaker_session = None + +from beaker.cache import CacheManager +from beaker.session import Session, SessionObject +from beaker.util import coerce_cache_params, coerce_session_params, \ + parse_cache_config_options + + +class CacheMiddleware(object): + cache = beaker_cache + + def __init__(self, app, config=None, environ_key='beaker.cache', **kwargs): + """Initialize the Cache Middleware + + The Cache middleware will make a CacheManager instance available + every request under the ``environ['beaker.cache']`` key by + default. The location in environ can be changed by setting + ``environ_key``. + + ``config`` + dict All settings should be prefixed by 'cache.'. This + method of passing variables is intended for Paste and other + setups that accumulate multiple component settings in a + single dictionary. If config contains *no cache. prefixed + args*, then *all* of the config options will be used to + intialize the Cache objects. + + ``environ_key`` + Location where the Cache instance will keyed in the WSGI + environ + + ``**kwargs`` + All keyword arguments are assumed to be cache settings and + will override any settings found in ``config`` + + """ + self.app = app + config = config or {} + + self.options = {} + + # Update the options with the parsed config + self.options.update(parse_cache_config_options(config)) + + # Add any options from kwargs, but leave out the defaults this + # time + self.options.update( + parse_cache_config_options(kwargs, include_defaults=False)) + + # Assume all keys are intended for cache if none are prefixed with + # 'cache.' + if not self.options and config: + self.options = config + + self.options.update(kwargs) + self.cache_manager = CacheManager(**self.options) + self.environ_key = environ_key + + def __call__(self, environ, start_response): + if environ.get('paste.registry'): + if environ['paste.registry'].reglist: + environ['paste.registry'].register(self.cache, + self.cache_manager) + environ[self.environ_key] = self.cache_manager + return self.app(environ, start_response) + + +class SessionMiddleware(object): + session = beaker_session + + def __init__(self, wrap_app, config=None, environ_key='beaker.session', + **kwargs): + """Initialize the Session Middleware + + The Session middleware will make a lazy session instance + available every request under the ``environ['beaker.session']`` + key by default. The location in environ can be changed by + setting ``environ_key``. + + ``config`` + dict All settings should be prefixed by 'session.'. This + method of passing variables is intended for Paste and other + setups that accumulate multiple component settings in a + single dictionary. If config contains *no cache. prefixed + args*, then *all* of the config options will be used to + intialize the Cache objects. + + ``environ_key`` + Location where the Session instance will keyed in the WSGI + environ + + ``**kwargs`` + All keyword arguments are assumed to be session settings and + will override any settings found in ``config`` + + """ + config = config or {} + + # Load up the default params + self.options = dict(invalidate_corrupt=True, type=None, + data_dir=None, key='beaker.session.id', + timeout=None, secret=None, log_file=None) + + # Pull out any config args meant for beaker session. if there are any + for dct in [config, kwargs]: + for key, val in dct.iteritems(): + if key.startswith('beaker.session.'): + self.options[key[15:]] = val + if key.startswith('session.'): + self.options[key[8:]] = val + if key.startswith('session_'): + warnings.warn('Session options should start with session. ' + 'instead of session_.', DeprecationWarning, 2) + self.options[key[8:]] = val + + # Coerce and validate session params + coerce_session_params(self.options) + + # Assume all keys are intended for cache if none are prefixed with + # 'cache.' + if not self.options and config: + self.options = config + + self.options.update(kwargs) + self.wrap_app = self.app = wrap_app + self.environ_key = environ_key + + def __call__(self, environ, start_response): + session = SessionObject(environ, **self.options) + if environ.get('paste.registry'): + if environ['paste.registry'].reglist: + environ['paste.registry'].register(self.session, session) + environ[self.environ_key] = session + environ['beaker.get_session'] = self._get_session + + if 'paste.testing_variables' in environ and 'webtest_varname' in self.options: + environ['paste.testing_variables'][self.options['webtest_varname']] = session + + def session_start_response(status, headers, exc_info=None): + if session.accessed(): + session.persist() + if session.__dict__['_headers']['set_cookie']: + cookie = session.__dict__['_headers']['cookie_out'] + if cookie: + headers.append(('Set-cookie', cookie)) + return start_response(status, headers, exc_info) + return self.wrap_app(environ, session_start_response) + + def _get_session(self): + return Session({}, use_cookies=False, **self.options) + + +def session_filter_factory(global_conf, **kwargs): + def filter(app): + return SessionMiddleware(app, global_conf, **kwargs) + return filter + + +def session_filter_app_factory(app, global_conf, **kwargs): + return SessionMiddleware(app, global_conf, **kwargs) diff --git a/pyload/lib/beaker/session.py b/pyload/lib/beaker/session.py new file mode 100644 index 000000000..d70a670eb --- /dev/null +++ b/pyload/lib/beaker/session.py @@ -0,0 +1,726 @@ +import Cookie +import os +from datetime import datetime, timedelta +import time +from beaker.crypto import hmac as HMAC, hmac_sha1 as SHA1, md5 +from beaker import crypto, util +from beaker.cache import clsmap +from beaker.exceptions import BeakerException, InvalidCryptoBackendError +from base64 import b64encode, b64decode + + +__all__ = ['SignedCookie', 'Session'] + + +try: + import uuid + + def _session_id(): + return uuid.uuid4().hex +except ImportError: + import random + if hasattr(os, 'getpid'): + getpid = os.getpid + else: + def getpid(): + return '' + + def _session_id(): + id_str = "%f%s%f%s" % ( + time.time(), + id({}), + random.random(), + getpid() + ) + if util.py3k: + return md5( + md5( + id_str.encode('ascii') + ).hexdigest().encode('ascii') + ).hexdigest() + else: + return md5(md5(id_str).hexdigest()).hexdigest() + + +class SignedCookie(Cookie.BaseCookie): + """Extends python cookie to give digital signature support""" + def __init__(self, secret, input=None): + self.secret = secret.encode('UTF-8') + Cookie.BaseCookie.__init__(self, input) + + def value_decode(self, val): + val = val.strip('"') + sig = HMAC.new(self.secret, val[40:].encode('UTF-8'), SHA1).hexdigest() + + # Avoid timing attacks + invalid_bits = 0 + input_sig = val[:40] + if len(sig) != len(input_sig): + return None, val + + for a, b in zip(sig, input_sig): + invalid_bits += a != b + + if invalid_bits: + return None, val + else: + return val[40:], val + + def value_encode(self, val): + sig = HMAC.new(self.secret, val.encode('UTF-8'), SHA1).hexdigest() + return str(val), ("%s%s" % (sig, val)) + + +class Session(dict): + """Session object that uses container package for storage. + + :param invalidate_corrupt: How to handle corrupt data when loading. When + set to True, then corrupt data will be silently + invalidated and a new session created, + otherwise invalid data will cause an exception. + :type invalidate_corrupt: bool + :param use_cookies: Whether or not cookies should be created. When set to + False, it is assumed the user will handle storing the + session on their own. + :type use_cookies: bool + :param type: What data backend type should be used to store the underlying + session data + :param key: The name the cookie should be set to. + :param timeout: How long session data is considered valid. This is used + regardless of the cookie being present or not to determine + whether session data is still valid. + :type timeout: int + :param cookie_expires: Expiration date for cookie + :param cookie_domain: Domain to use for the cookie. + :param cookie_path: Path to use for the cookie. + :param secure: Whether or not the cookie should only be sent over SSL. + :param httponly: Whether or not the cookie should only be accessible by + the browser not by JavaScript. + :param encrypt_key: The key to use for the local session encryption, if not + provided the session will not be encrypted. + :param validate_key: The key used to sign the local encrypted session + + """ + def __init__(self, request, id=None, invalidate_corrupt=False, + use_cookies=True, type=None, data_dir=None, + key='beaker.session.id', timeout=None, cookie_expires=True, + cookie_domain=None, cookie_path='/', secret=None, + secure=False, namespace_class=None, httponly=False, + encrypt_key=None, validate_key=None, **namespace_args): + if not type: + if data_dir: + self.type = 'file' + else: + self.type = 'memory' + else: + self.type = type + + self.namespace_class = namespace_class or clsmap[self.type] + + self.namespace_args = namespace_args + + self.request = request + self.data_dir = data_dir + self.key = key + + self.timeout = timeout + self.use_cookies = use_cookies + self.cookie_expires = cookie_expires + + # Default cookie domain/path + self._domain = cookie_domain + self._path = cookie_path + self.was_invalidated = False + self.secret = secret + self.secure = secure + self.httponly = httponly + self.encrypt_key = encrypt_key + self.validate_key = validate_key + self.id = id + self.accessed_dict = {} + self.invalidate_corrupt = invalidate_corrupt + + if self.use_cookies: + cookieheader = request.get('cookie', '') + if secret: + try: + self.cookie = SignedCookie(secret, input=cookieheader) + except Cookie.CookieError: + self.cookie = SignedCookie(secret, input=None) + else: + self.cookie = Cookie.SimpleCookie(input=cookieheader) + + if not self.id and self.key in self.cookie: + self.id = self.cookie[self.key].value + + self.is_new = self.id is None + if self.is_new: + self._create_id() + self['_accessed_time'] = self['_creation_time'] = time.time() + else: + try: + self.load() + except Exception, e: + if invalidate_corrupt: + util.warn( + "Invalidating corrupt session %s; " + "error was: %s. Set invalidate_corrupt=False " + "to propagate this exception." % (self.id, e)) + self.invalidate() + else: + raise + + def has_key(self, name): + return name in self + + def _set_cookie_values(self, expires=None): + self.cookie[self.key] = self.id + if self._domain: + self.cookie[self.key]['domain'] = self._domain + if self.secure: + self.cookie[self.key]['secure'] = True + self._set_cookie_http_only() + self.cookie[self.key]['path'] = self._path + + self._set_cookie_expires(expires) + + def _set_cookie_expires(self, expires): + if expires is None: + if self.cookie_expires is not True: + if self.cookie_expires is False: + expires = datetime.fromtimestamp(0x7FFFFFFF) + elif isinstance(self.cookie_expires, timedelta): + expires = datetime.utcnow() + self.cookie_expires + elif isinstance(self.cookie_expires, datetime): + expires = self.cookie_expires + else: + raise ValueError("Invalid argument for cookie_expires: %s" + % repr(self.cookie_expires)) + else: + expires = None + if expires is not None: + if not self.cookie or self.key not in self.cookie: + self.cookie[self.key] = self.id + self.cookie[self.key]['expires'] = \ + expires.strftime("%a, %d-%b-%Y %H:%M:%S GMT") + return expires + + def _update_cookie_out(self, set_cookie=True): + self.request['cookie_out'] = self.cookie[self.key].output(header='') + self.request['set_cookie'] = set_cookie + + def _set_cookie_http_only(self): + try: + if self.httponly: + self.cookie[self.key]['httponly'] = True + except Cookie.CookieError, e: + if 'Invalid Attribute httponly' not in str(e): + raise + util.warn('Python 2.6+ is required to use httponly') + + def _create_id(self, set_new=True): + self.id = _session_id() + + if set_new: + self.is_new = True + self.last_accessed = None + if self.use_cookies: + self._set_cookie_values() + sc = set_new == False + self._update_cookie_out(set_cookie=sc) + + @property + def created(self): + return self['_creation_time'] + + def _set_domain(self, domain): + self['_domain'] = domain + self.cookie[self.key]['domain'] = domain + self._update_cookie_out() + + def _get_domain(self): + return self._domain + + domain = property(_get_domain, _set_domain) + + def _set_path(self, path): + self['_path'] = self._path = path + self.cookie[self.key]['path'] = path + self._update_cookie_out() + + def _get_path(self): + return self._path + + path = property(_get_path, _set_path) + + def _encrypt_data(self, session_data=None): + """Serialize, encipher, and base64 the session dict""" + session_data = session_data or self.copy() + if self.encrypt_key: + nonce = b64encode(os.urandom(6))[:8] + encrypt_key = crypto.generateCryptoKeys(self.encrypt_key, + self.validate_key + nonce, 1) + data = util.pickle.dumps(session_data, 2) + return nonce + b64encode(crypto.aesEncrypt(data, encrypt_key)) + else: + data = util.pickle.dumps(session_data, 2) + return b64encode(data) + + def _decrypt_data(self, session_data): + """Bas64, decipher, then un-serialize the data for the session + dict""" + if self.encrypt_key: + try: + nonce = session_data[:8] + encrypt_key = crypto.generateCryptoKeys(self.encrypt_key, + self.validate_key + nonce, 1) + payload = b64decode(session_data[8:]) + data = crypto.aesDecrypt(payload, encrypt_key) + except: + # As much as I hate a bare except, we get some insane errors + # here that get tossed when crypto fails, so we raise the + # 'right' exception + if self.invalidate_corrupt: + return None + else: + raise + try: + return util.pickle.loads(data) + except: + if self.invalidate_corrupt: + return None + else: + raise + else: + data = b64decode(session_data) + return util.pickle.loads(data) + + def _delete_cookie(self): + self.request['set_cookie'] = True + expires = datetime.utcnow() - timedelta(365) + self._set_cookie_values(expires) + self._update_cookie_out() + + def delete(self): + """Deletes the session from the persistent storage, and sends + an expired cookie out""" + if self.use_cookies: + self._delete_cookie() + self.clear() + + def invalidate(self): + """Invalidates this session, creates a new session id, returns + to the is_new state""" + self.clear() + self.was_invalidated = True + self._create_id() + self.load() + + def load(self): + "Loads the data from this session from persistent storage" + self.namespace = self.namespace_class(self.id, + data_dir=self.data_dir, + digest_filenames=False, + **self.namespace_args) + now = time.time() + if self.use_cookies: + self.request['set_cookie'] = True + + self.namespace.acquire_read_lock() + timed_out = False + try: + self.clear() + try: + session_data = self.namespace['session'] + + if (session_data is not None and self.encrypt_key): + session_data = self._decrypt_data(session_data) + + # Memcached always returns a key, its None when its not + # present + if session_data is None: + session_data = { + '_creation_time': now, + '_accessed_time': now + } + self.is_new = True + except (KeyError, TypeError): + session_data = { + '_creation_time': now, + '_accessed_time': now + } + self.is_new = True + + if session_data is None or len(session_data) == 0: + session_data = { + '_creation_time': now, + '_accessed_time': now + } + self.is_new = True + + if self.timeout is not None and \ + now - session_data['_accessed_time'] > self.timeout: + timed_out = True + else: + # Properly set the last_accessed time, which is different + # than the *currently* _accessed_time + if self.is_new or '_accessed_time' not in session_data: + self.last_accessed = None + else: + self.last_accessed = session_data['_accessed_time'] + + # Update the current _accessed_time + session_data['_accessed_time'] = now + + # Set the path if applicable + if '_path' in session_data: + self._path = session_data['_path'] + self.update(session_data) + self.accessed_dict = session_data.copy() + finally: + self.namespace.release_read_lock() + if timed_out: + self.invalidate() + + def save(self, accessed_only=False): + """Saves the data for this session to persistent storage + + If accessed_only is True, then only the original data loaded + at the beginning of the request will be saved, with the updated + last accessed time. + + """ + # Look to see if its a new session that was only accessed + # Don't save it under that case + if accessed_only and self.is_new: + return None + + # this session might not have a namespace yet or the session id + # might have been regenerated + if not hasattr(self, 'namespace') or self.namespace.namespace != self.id: + self.namespace = self.namespace_class( + self.id, + data_dir=self.data_dir, + digest_filenames=False, + **self.namespace_args) + + self.namespace.acquire_write_lock(replace=True) + try: + if accessed_only: + data = dict(self.accessed_dict.items()) + else: + data = dict(self.items()) + + if self.encrypt_key: + data = self._encrypt_data(data) + + # Save the data + if not data and 'session' in self.namespace: + del self.namespace['session'] + else: + self.namespace['session'] = data + finally: + self.namespace.release_write_lock() + if self.use_cookies and self.is_new: + self.request['set_cookie'] = True + + def revert(self): + """Revert the session to its original state from its first + access in the request""" + self.clear() + self.update(self.accessed_dict) + + def regenerate_id(self): + """ + creates a new session id, retains all session data + + Its a good security practice to regnerate the id after a client + elevates priviliges. + + """ + self._create_id(set_new=False) + + # TODO: I think both these methods should be removed. They're from + # the original mod_python code i was ripping off but they really + # have no use here. + def lock(self): + """Locks this session against other processes/threads. This is + automatic when load/save is called. + + ***use with caution*** and always with a corresponding 'unlock' + inside a "finally:" block, as a stray lock typically cannot be + unlocked without shutting down the whole application. + + """ + self.namespace.acquire_write_lock() + + def unlock(self): + """Unlocks this session against other processes/threads. This + is automatic when load/save is called. + + ***use with caution*** and always within a "finally:" block, as + a stray lock typically cannot be unlocked without shutting down + the whole application. + + """ + self.namespace.release_write_lock() + + +class CookieSession(Session): + """Pure cookie-based session + + Options recognized when using cookie-based sessions are slightly + more restricted than general sessions. + + :param key: The name the cookie should be set to. + :param timeout: How long session data is considered valid. This is used + regardless of the cookie being present or not to determine + whether session data is still valid. + :type timeout: int + :param cookie_expires: Expiration date for cookie + :param cookie_domain: Domain to use for the cookie. + :param cookie_path: Path to use for the cookie. + :param secure: Whether or not the cookie should only be sent over SSL. + :param httponly: Whether or not the cookie should only be accessible by + the browser not by JavaScript. + :param encrypt_key: The key to use for the local session encryption, if not + provided the session will not be encrypted. + :param validate_key: The key used to sign the local encrypted session + + """ + def __init__(self, request, key='beaker.session.id', timeout=None, + cookie_expires=True, cookie_domain=None, cookie_path='/', + encrypt_key=None, validate_key=None, secure=False, + httponly=False, **kwargs): + + if not crypto.has_aes and encrypt_key: + raise InvalidCryptoBackendError("No AES library is installed, can't generate " + "encrypted cookie-only Session.") + + self.request = request + self.key = key + self.timeout = timeout + self.cookie_expires = cookie_expires + self.encrypt_key = encrypt_key + self.validate_key = validate_key + self.request['set_cookie'] = False + self.secure = secure + self.httponly = httponly + self._domain = cookie_domain + self._path = cookie_path + + try: + cookieheader = request['cookie'] + except KeyError: + cookieheader = '' + + if validate_key is None: + raise BeakerException("No validate_key specified for Cookie only " + "Session.") + + try: + self.cookie = SignedCookie(validate_key, input=cookieheader) + except Cookie.CookieError: + self.cookie = SignedCookie(validate_key, input=None) + + self['_id'] = _session_id() + self.is_new = True + + # If we have a cookie, load it + if self.key in self.cookie and self.cookie[self.key].value is not None: + self.is_new = False + try: + cookie_data = self.cookie[self.key].value + self.update(self._decrypt_data(cookie_data)) + self._path = self.get('_path', '/') + except: + pass + if self.timeout is not None and time.time() - \ + self['_accessed_time'] > self.timeout: + self.clear() + self.accessed_dict = self.copy() + self._create_cookie() + + def created(self): + return self['_creation_time'] + created = property(created) + + def id(self): + return self['_id'] + id = property(id) + + def _set_domain(self, domain): + self['_domain'] = domain + self._domain = domain + + def _get_domain(self): + return self._domain + + domain = property(_get_domain, _set_domain) + + def _set_path(self, path): + self['_path'] = self._path = path + + def _get_path(self): + return self._path + + path = property(_get_path, _set_path) + + def save(self, accessed_only=False): + """Saves the data for this session to persistent storage""" + if accessed_only and self.is_new: + return + if accessed_only: + self.clear() + self.update(self.accessed_dict) + self._create_cookie() + + def expire(self): + """Delete the 'expires' attribute on this Session, if any.""" + + self.pop('_expires', None) + + def _create_cookie(self): + if '_creation_time' not in self: + self['_creation_time'] = time.time() + if '_id' not in self: + self['_id'] = _session_id() + self['_accessed_time'] = time.time() + + val = self._encrypt_data() + if len(val) > 4064: + raise BeakerException("Cookie value is too long to store") + + self.cookie[self.key] = val + + if '_expires' in self: + expires = self['_expires'] + else: + expires = None + expires = self._set_cookie_expires(expires) + if expires is not None: + self['_expires'] = expires + + if '_domain' in self: + self.cookie[self.key]['domain'] = self['_domain'] + elif self._domain: + self.cookie[self.key]['domain'] = self._domain + if self.secure: + self.cookie[self.key]['secure'] = True + self._set_cookie_http_only() + + self.cookie[self.key]['path'] = self.get('_path', '/') + + self.request['cookie_out'] = self.cookie[self.key].output(header='') + self.request['set_cookie'] = True + + def delete(self): + """Delete the cookie, and clear the session""" + # Send a delete cookie request + self._delete_cookie() + self.clear() + + def invalidate(self): + """Clear the contents and start a new session""" + self.clear() + self['_id'] = _session_id() + + +class SessionObject(object): + """Session proxy/lazy creator + + This object proxies access to the actual session object, so that in + the case that the session hasn't been used before, it will be + setup. This avoid creating and loading the session from persistent + storage unless its actually used during the request. + + """ + def __init__(self, environ, **params): + self.__dict__['_params'] = params + self.__dict__['_environ'] = environ + self.__dict__['_sess'] = None + self.__dict__['_headers'] = {} + + def _session(self): + """Lazy initial creation of session object""" + if self.__dict__['_sess'] is None: + params = self.__dict__['_params'] + environ = self.__dict__['_environ'] + self.__dict__['_headers'] = req = {'cookie_out': None} + req['cookie'] = environ.get('HTTP_COOKIE') + if params.get('type') == 'cookie': + self.__dict__['_sess'] = CookieSession(req, **params) + else: + self.__dict__['_sess'] = Session(req, use_cookies=True, + **params) + return self.__dict__['_sess'] + + def __getattr__(self, attr): + return getattr(self._session(), attr) + + def __setattr__(self, attr, value): + setattr(self._session(), attr, value) + + def __delattr__(self, name): + self._session().__delattr__(name) + + def __getitem__(self, key): + return self._session()[key] + + def __setitem__(self, key, value): + self._session()[key] = value + + def __delitem__(self, key): + self._session().__delitem__(key) + + def __repr__(self): + return self._session().__repr__() + + def __iter__(self): + """Only works for proxying to a dict""" + return iter(self._session().keys()) + + def __contains__(self, key): + return key in self._session() + + def has_key(self, key): + return key in self._session() + + def get_by_id(self, id): + """Loads a session given a session ID""" + params = self.__dict__['_params'] + session = Session({}, use_cookies=False, id=id, **params) + if session.is_new: + return None + return session + + def save(self): + self.__dict__['_dirty'] = True + + def delete(self): + self.__dict__['_dirty'] = True + self._session().delete() + + def persist(self): + """Persist the session to the storage + + If its set to autosave, then the entire session will be saved + regardless of if save() has been called. Otherwise, just the + accessed time will be updated if save() was not called, or + the session will be saved if save() was called. + + """ + if self.__dict__['_params'].get('auto'): + self._session().save() + else: + if self.__dict__.get('_dirty'): + self._session().save() + else: + self._session().save(accessed_only=True) + + def dirty(self): + return self.__dict__.get('_dirty', False) + + def accessed(self): + """Returns whether or not the session has been accessed""" + return self.__dict__['_sess'] is not None diff --git a/pyload/lib/beaker/synchronization.py b/pyload/lib/beaker/synchronization.py new file mode 100644 index 000000000..f236b8cfe --- /dev/null +++ b/pyload/lib/beaker/synchronization.py @@ -0,0 +1,386 @@ +"""Synchronization functions. + +File- and mutex-based mutual exclusion synchronizers are provided, +as well as a name-based mutex which locks within an application +based on a string name. + +""" + +import os +import sys +import tempfile + +try: + import threading as _threading +except ImportError: + import dummy_threading as _threading + +# check for fcntl module +try: + sys.getwindowsversion() + has_flock = False +except: + try: + import fcntl + has_flock = True + except ImportError: + has_flock = False + +from beaker import util +from beaker.exceptions import LockError + +__all__ = ["file_synchronizer", "mutex_synchronizer", "null_synchronizer", + "NameLock", "_threading"] + + +class NameLock(object): + """a proxy for an RLock object that is stored in a name based + registry. + + Multiple threads can get a reference to the same RLock based on the + name alone, and synchronize operations related to that name. + + """ + locks = util.WeakValuedRegistry() + + class NLContainer(object): + def __init__(self, reentrant): + if reentrant: + self.lock = _threading.RLock() + else: + self.lock = _threading.Lock() + + def __call__(self): + return self.lock + + def __init__(self, identifier=None, reentrant=False): + if identifier is None: + self._lock = NameLock.NLContainer(reentrant) + else: + self._lock = NameLock.locks.get(identifier, NameLock.NLContainer, + reentrant) + + def acquire(self, wait=True): + return self._lock().acquire(wait) + + def release(self): + self._lock().release() + + +_synchronizers = util.WeakValuedRegistry() + + +def _synchronizer(identifier, cls, **kwargs): + return _synchronizers.sync_get((identifier, cls), cls, identifier, **kwargs) + + +def file_synchronizer(identifier, **kwargs): + if not has_flock or 'lock_dir' not in kwargs: + return mutex_synchronizer(identifier) + else: + return _synchronizer(identifier, FileSynchronizer, **kwargs) + + +def mutex_synchronizer(identifier, **kwargs): + return _synchronizer(identifier, ConditionSynchronizer, **kwargs) + + +class null_synchronizer(object): + """A 'null' synchronizer, which provides the :class:`.SynchronizerImpl` interface + without any locking. + + """ + def acquire_write_lock(self, wait=True): + return True + + def acquire_read_lock(self): + pass + + def release_write_lock(self): + pass + + def release_read_lock(self): + pass + acquire = acquire_write_lock + release = release_write_lock + + +class SynchronizerImpl(object): + """Base class for a synchronization object that allows + multiple readers, single writers. + + """ + def __init__(self): + self._state = util.ThreadLocal() + + class SyncState(object): + __slots__ = 'reentrantcount', 'writing', 'reading' + + def __init__(self): + self.reentrantcount = 0 + self.writing = False + self.reading = False + + def state(self): + if not self._state.has(): + state = SynchronizerImpl.SyncState() + self._state.put(state) + return state + else: + return self._state.get() + state = property(state) + + def release_read_lock(self): + state = self.state + + if state.writing: + raise LockError("lock is in writing state") + if not state.reading: + raise LockError("lock is not in reading state") + + if state.reentrantcount == 1: + self.do_release_read_lock() + state.reading = False + + state.reentrantcount -= 1 + + def acquire_read_lock(self, wait=True): + state = self.state + + if state.writing: + raise LockError("lock is in writing state") + + if state.reentrantcount == 0: + x = self.do_acquire_read_lock(wait) + if (wait or x): + state.reentrantcount += 1 + state.reading = True + return x + elif state.reading: + state.reentrantcount += 1 + return True + + def release_write_lock(self): + state = self.state + + if state.reading: + raise LockError("lock is in reading state") + if not state.writing: + raise LockError("lock is not in writing state") + + if state.reentrantcount == 1: + self.do_release_write_lock() + state.writing = False + + state.reentrantcount -= 1 + + release = release_write_lock + + def acquire_write_lock(self, wait=True): + state = self.state + + if state.reading: + raise LockError("lock is in reading state") + + if state.reentrantcount == 0: + x = self.do_acquire_write_lock(wait) + if (wait or x): + state.reentrantcount += 1 + state.writing = True + return x + elif state.writing: + state.reentrantcount += 1 + return True + + acquire = acquire_write_lock + + def do_release_read_lock(self): + raise NotImplementedError() + + def do_acquire_read_lock(self): + raise NotImplementedError() + + def do_release_write_lock(self): + raise NotImplementedError() + + def do_acquire_write_lock(self): + raise NotImplementedError() + + +class FileSynchronizer(SynchronizerImpl): + """A synchronizer which locks using flock(). + + """ + def __init__(self, identifier, lock_dir): + super(FileSynchronizer, self).__init__() + self._filedescriptor = util.ThreadLocal() + + if lock_dir is None: + lock_dir = tempfile.gettempdir() + else: + lock_dir = lock_dir + + self.filename = util.encoded_path( + lock_dir, + [identifier], + extension='.lock' + ) + + def _filedesc(self): + return self._filedescriptor.get() + _filedesc = property(_filedesc) + + def _open(self, mode): + filedescriptor = self._filedesc + if filedescriptor is None: + filedescriptor = os.open(self.filename, mode) + self._filedescriptor.put(filedescriptor) + return filedescriptor + + def do_acquire_read_lock(self, wait): + filedescriptor = self._open(os.O_CREAT | os.O_RDONLY) + if not wait: + try: + fcntl.flock(filedescriptor, fcntl.LOCK_SH | fcntl.LOCK_NB) + return True + except IOError: + os.close(filedescriptor) + self._filedescriptor.remove() + return False + else: + fcntl.flock(filedescriptor, fcntl.LOCK_SH) + return True + + def do_acquire_write_lock(self, wait): + filedescriptor = self._open(os.O_CREAT | os.O_WRONLY) + if not wait: + try: + fcntl.flock(filedescriptor, fcntl.LOCK_EX | fcntl.LOCK_NB) + return True + except IOError: + os.close(filedescriptor) + self._filedescriptor.remove() + return False + else: + fcntl.flock(filedescriptor, fcntl.LOCK_EX) + return True + + def do_release_read_lock(self): + self._release_all_locks() + + def do_release_write_lock(self): + self._release_all_locks() + + def _release_all_locks(self): + filedescriptor = self._filedesc + if filedescriptor is not None: + fcntl.flock(filedescriptor, fcntl.LOCK_UN) + os.close(filedescriptor) + self._filedescriptor.remove() + + +class ConditionSynchronizer(SynchronizerImpl): + """a synchronizer using a Condition.""" + + def __init__(self, identifier): + super(ConditionSynchronizer, self).__init__() + + # counts how many asynchronous methods are executing + self.async = 0 + + # pointer to thread that is the current sync operation + self.current_sync_operation = None + + # condition object to lock on + self.condition = _threading.Condition(_threading.Lock()) + + def do_acquire_read_lock(self, wait=True): + self.condition.acquire() + try: + # see if a synchronous operation is waiting to start + # or is already running, in which case we wait (or just + # give up and return) + if wait: + while self.current_sync_operation is not None: + self.condition.wait() + else: + if self.current_sync_operation is not None: + return False + + self.async += 1 + finally: + self.condition.release() + + if not wait: + return True + + def do_release_read_lock(self): + self.condition.acquire() + try: + self.async -= 1 + + # check if we are the last asynchronous reader thread + # out the door. + if self.async == 0: + # yes. so if a sync operation is waiting, notifyAll to wake + # it up + if self.current_sync_operation is not None: + self.condition.notifyAll() + elif self.async < 0: + raise LockError("Synchronizer error - too many " + "release_read_locks called") + finally: + self.condition.release() + + def do_acquire_write_lock(self, wait=True): + self.condition.acquire() + try: + # here, we are not a synchronous reader, and after returning, + # assuming waiting or immediate availability, we will be. + + if wait: + # if another sync is working, wait + while self.current_sync_operation is not None: + self.condition.wait() + else: + # if another sync is working, + # we dont want to wait, so forget it + if self.current_sync_operation is not None: + return False + + # establish ourselves as the current sync + # this indicates to other read/write operations + # that they should wait until this is None again + self.current_sync_operation = _threading.currentThread() + + # now wait again for asyncs to finish + if self.async > 0: + if wait: + # wait + self.condition.wait() + else: + # we dont want to wait, so forget it + self.current_sync_operation = None + return False + finally: + self.condition.release() + + if not wait: + return True + + def do_release_write_lock(self): + self.condition.acquire() + try: + if self.current_sync_operation is not _threading.currentThread(): + raise LockError("Synchronizer error - current thread doesnt " + "have the write lock") + + # reset the current sync operation so + # another can get it + self.current_sync_operation = None + + # tell everyone to get ready + self.condition.notifyAll() + finally: + # everyone go !! + self.condition.release() diff --git a/pyload/lib/beaker/util.py b/pyload/lib/beaker/util.py new file mode 100644 index 000000000..c7002cd92 --- /dev/null +++ b/pyload/lib/beaker/util.py @@ -0,0 +1,462 @@ +"""Beaker utilities""" + +try: + import thread as _thread + import threading as _threading +except ImportError: + import dummy_thread as _thread + import dummy_threading as _threading + +from datetime import datetime, timedelta +import os +import re +import string +import types +import weakref +import warnings +import sys +import inspect + +py3k = getattr(sys, 'py3kwarning', False) or sys.version_info >= (3, 0) +py24 = sys.version_info < (2, 5) +jython = sys.platform.startswith('java') + +if py3k or jython: + import pickle +else: + import cPickle as pickle + +from beaker.converters import asbool +from beaker import exceptions +from threading import local as _tlocal + + +__all__ = ["ThreadLocal", "WeakValuedRegistry", "SyncDict", "encoded_path", + "verify_directory"] + + +def function_named(fn, name): + """Return a function with a given __name__. + + Will assign to __name__ and return the original function if possible on + the Python implementation, otherwise a new function will be constructed. + + """ + fn.__name__ = name + return fn + + +def skip_if(predicate, reason=None): + """Skip a test if predicate is true.""" + reason = reason or predicate.__name__ + + from nose import SkipTest + + def decorate(fn): + fn_name = fn.__name__ + + def maybe(*args, **kw): + if predicate(): + msg = "'%s' skipped: %s" % ( + fn_name, reason) + raise SkipTest(msg) + else: + return fn(*args, **kw) + return function_named(maybe, fn_name) + return decorate + + +def assert_raises(except_cls, callable_, *args, **kw): + """Assert the given exception is raised by the given function + arguments.""" + + try: + callable_(*args, **kw) + success = False + except except_cls: + success = True + + # assert outside the block so it works for AssertionError too ! + assert success, "Callable did not raise an exception" + + +def verify_directory(dir): + """verifies and creates a directory. tries to + ignore collisions with other threads and processes.""" + + tries = 0 + while not os.access(dir, os.F_OK): + try: + tries += 1 + os.makedirs(dir) + except: + if tries > 5: + raise + + +def has_self_arg(func): + """Return True if the given function has a 'self' argument.""" + args = inspect.getargspec(func) + if args and args[0] and args[0][0] in ('self', 'cls'): + return True + else: + return False + + +def warn(msg, stacklevel=3): + """Issue a warning.""" + if isinstance(msg, basestring): + warnings.warn(msg, exceptions.BeakerWarning, stacklevel=stacklevel) + else: + warnings.warn(msg, stacklevel=stacklevel) + + +def deprecated(message): + def wrapper(fn): + def deprecated_method(*args, **kargs): + warnings.warn(message, DeprecationWarning, 2) + return fn(*args, **kargs) + # TODO: use decorator ? functools.wrapper ? + deprecated_method.__name__ = fn.__name__ + deprecated_method.__doc__ = "%s\n\n%s" % (message, fn.__doc__) + return deprecated_method + return wrapper + + +class ThreadLocal(object): + """stores a value on a per-thread basis""" + + __slots__ = '_tlocal' + + def __init__(self): + self._tlocal = _tlocal() + + def put(self, value): + self._tlocal.value = value + + def has(self): + return hasattr(self._tlocal, 'value') + + def get(self, default=None): + return getattr(self._tlocal, 'value', default) + + def remove(self): + del self._tlocal.value + + +class SyncDict(object): + """ + An efficient/threadsafe singleton map algorithm, a.k.a. + "get a value based on this key, and create if not found or not + valid" paradigm: + + exists && isvalid ? get : create + + Designed to work with weakref dictionaries to expect items + to asynchronously disappear from the dictionary. + + Use python 2.3.3 or greater ! a major bug was just fixed in Nov. + 2003 that was driving me nuts with garbage collection/weakrefs in + this section. + + """ + def __init__(self): + self.mutex = _thread.allocate_lock() + self.dict = {} + + def get(self, key, createfunc, *args, **kwargs): + try: + if key in self.dict: + return self.dict[key] + else: + return self.sync_get(key, createfunc, *args, **kwargs) + except KeyError: + return self.sync_get(key, createfunc, *args, **kwargs) + + def sync_get(self, key, createfunc, *args, **kwargs): + self.mutex.acquire() + try: + try: + if key in self.dict: + return self.dict[key] + else: + return self._create(key, createfunc, *args, **kwargs) + except KeyError: + return self._create(key, createfunc, *args, **kwargs) + finally: + self.mutex.release() + + def _create(self, key, createfunc, *args, **kwargs): + self[key] = obj = createfunc(*args, **kwargs) + return obj + + def has_key(self, key): + return key in self.dict + + def __contains__(self, key): + return self.dict.__contains__(key) + + def __getitem__(self, key): + return self.dict.__getitem__(key) + + def __setitem__(self, key, value): + self.dict.__setitem__(key, value) + + def __delitem__(self, key): + return self.dict.__delitem__(key) + + def clear(self): + self.dict.clear() + + +class WeakValuedRegistry(SyncDict): + def __init__(self): + self.mutex = _threading.RLock() + self.dict = weakref.WeakValueDictionary() + +sha1 = None + + +def encoded_path(root, identifiers, extension=".enc", depth=3, + digest_filenames=True): + + """Generate a unique file-accessible path from the given list of + identifiers starting at the given root directory.""" + ident = "_".join(identifiers) + + global sha1 + if sha1 is None: + from beaker.crypto import sha1 + + if digest_filenames: + if py3k: + ident = sha1(ident.encode('utf-8')).hexdigest() + else: + ident = sha1(ident).hexdigest() + + ident = os.path.basename(ident) + + tokens = [] + for d in range(1, depth): + tokens.append(ident[0:d]) + + dir = os.path.join(root, *tokens) + verify_directory(dir) + + return os.path.join(dir, ident + extension) + + +def asint(obj): + if isinstance(obj, int): + return obj + elif isinstance(obj, basestring) and re.match(r'^\d+$', obj): + return int(obj) + else: + raise Exception("This is not a proper int") + + +def verify_options(opt, types, error): + if not isinstance(opt, types): + if not isinstance(types, tuple): + types = (types,) + coerced = False + for typ in types: + try: + if typ in (list, tuple): + opt = [x.strip() for x in opt.split(',')] + else: + if typ == bool: + typ = asbool + elif typ == int: + typ = asint + elif typ in (timedelta, datetime): + if not isinstance(opt, typ): + raise Exception("%s requires a timedelta type", typ) + opt = typ(opt) + coerced = True + except: + pass + if coerced: + break + if not coerced: + raise Exception(error) + elif isinstance(opt, str) and not opt.strip(): + raise Exception("Empty strings are invalid for: %s" % error) + return opt + + +def verify_rules(params, ruleset): + for key, types, message in ruleset: + if key in params: + params[key] = verify_options(params[key], types, message) + return params + + +def coerce_session_params(params): + rules = [ + ('data_dir', (str, types.NoneType), "data_dir must be a string " + "referring to a directory."), + ('lock_dir', (str, types.NoneType), "lock_dir must be a string referring to a " + "directory."), + ('type', (str, types.NoneType), "Session type must be a string."), + ('cookie_expires', (bool, datetime, timedelta, int), "Cookie expires was " + "not a boolean, datetime, int, or timedelta instance."), + ('cookie_domain', (str, types.NoneType), "Cookie domain must be a " + "string."), + ('cookie_path', (str, types.NoneType), "Cookie path must be a " + "string."), + ('id', (str,), "Session id must be a string."), + ('key', (str,), "Session key must be a string."), + ('secret', (str, types.NoneType), "Session secret must be a string."), + ('validate_key', (str, types.NoneType), "Session encrypt_key must be " + "a string."), + ('encrypt_key', (str, types.NoneType), "Session validate_key must be " + "a string."), + ('secure', (bool, types.NoneType), "Session secure must be a boolean."), + ('httponly', (bool, types.NoneType), "Session httponly must be a boolean."), + ('timeout', (int, types.NoneType), "Session timeout must be an " + "integer."), + ('auto', (bool, types.NoneType), "Session is created if accessed."), + ('webtest_varname', (str, types.NoneType), "Session varname must be " + "a string."), + ] + opts = verify_rules(params, rules) + cookie_expires = opts.get('cookie_expires') + if cookie_expires and isinstance(cookie_expires, int) and \ + not isinstance(cookie_expires, bool): + opts['cookie_expires'] = timedelta(seconds=cookie_expires) + return opts + + +def coerce_cache_params(params): + rules = [ + ('data_dir', (str, types.NoneType), "data_dir must be a string " + "referring to a directory."), + ('lock_dir', (str, types.NoneType), "lock_dir must be a string referring to a " + "directory."), + ('type', (str,), "Cache type must be a string."), + ('enabled', (bool, types.NoneType), "enabled must be true/false " + "if present."), + ('expire', (int, types.NoneType), "expire must be an integer representing " + "how many seconds the cache is valid for"), + ('regions', (list, tuple, types.NoneType), "Regions must be a " + "comma seperated list of valid regions"), + ('key_length', (int, types.NoneType), "key_length must be an integer " + "which indicates the longest a key can be before hashing"), + ] + return verify_rules(params, rules) + + +def coerce_memcached_behaviors(behaviors): + rules = [ + ('cas', (bool, int), 'cas must be a boolean or an integer'), + ('no_block', (bool, int), 'no_block must be a boolean or an integer'), + ('receive_timeout', (int,), 'receive_timeout must be an integer'), + ('send_timeout', (int,), 'send_timeout must be an integer'), + ('ketama_hash', (str,), 'ketama_hash must be a string designating ' + 'a valid hashing strategy option'), + ('_poll_timeout', (int,), '_poll_timeout must be an integer'), + ('auto_eject', (bool, int), 'auto_eject must be an integer'), + ('retry_timeout', (int,), 'retry_timeout must be an integer'), + ('_sort_hosts', (bool, int), '_sort_hosts must be an integer'), + ('_io_msg_watermark', (int,), '_io_msg_watermark must be an integer'), + ('ketama', (bool, int), 'ketama must be a boolean or an integer'), + ('ketama_weighted', (bool, int), 'ketama_weighted must be a boolean or ' + 'an integer'), + ('_io_key_prefetch', (int, bool), '_io_key_prefetch must be a boolean ' + 'or an integer'), + ('_hash_with_prefix_key', (bool, int), '_hash_with_prefix_key must be ' + 'a boolean or an integer'), + ('tcp_nodelay', (bool, int), 'tcp_nodelay must be a boolean or an ' + 'integer'), + ('failure_limit', (int,), 'failure_limit must be an integer'), + ('buffer_requests', (bool, int), 'buffer_requests must be a boolean ' + 'or an integer'), + ('_socket_send_size', (int,), '_socket_send_size must be an integer'), + ('num_replicas', (int,), 'num_replicas must be an integer'), + ('remove_failed', (int,), 'remove_failed must be an integer'), + ('_noreply', (bool, int), '_noreply must be a boolean or an integer'), + ('_io_bytes_watermark', (int,), '_io_bytes_watermark must be an ' + 'integer'), + ('_socket_recv_size', (int,), '_socket_recv_size must be an integer'), + ('distribution', (str,), 'distribution must be a string designating ' + 'a valid distribution option'), + ('connect_timeout', (int,), 'connect_timeout must be an integer'), + ('hash', (str,), 'hash must be a string designating a valid hashing ' + 'option'), + ('verify_keys', (bool, int), 'verify_keys must be a boolean or an integer'), + ('dead_timeout', (int,), 'dead_timeout must be an integer') + ] + return verify_rules(behaviors, rules) + + +def parse_cache_config_options(config, include_defaults=True): + """Parse configuration options and validate for use with the + CacheManager""" + + # Load default cache options + if include_defaults: + options = dict(type='memory', data_dir=None, expire=None, + log_file=None) + else: + options = {} + for key, val in config.iteritems(): + if key.startswith('beaker.cache.'): + options[key[13:]] = val + if key.startswith('cache.'): + options[key[6:]] = val + coerce_cache_params(options) + + # Set cache to enabled if not turned off + if 'enabled' not in options and include_defaults: + options['enabled'] = True + + # Configure region dict if regions are available + regions = options.pop('regions', None) + if regions: + region_configs = {} + for region in regions: + if not region: # ensure region name is valid + continue + # Setup the default cache options + region_options = dict(data_dir=options.get('data_dir'), + lock_dir=options.get('lock_dir'), + type=options.get('type'), + enabled=options['enabled'], + expire=options.get('expire'), + key_length=options.get('key_length', 250)) + region_prefix = '%s.' % region + region_len = len(region_prefix) + for key in options.keys(): + if key.startswith(region_prefix): + region_options[key[region_len:]] = options.pop(key) + coerce_cache_params(region_options) + region_configs[region] = region_options + options['cache_regions'] = region_configs + return options + + +def parse_memcached_behaviors(config): + """Parse behavior options and validate for use with pylibmc + client/PylibMCNamespaceManager, or potentially other memcached + NamespaceManagers that support behaviors""" + behaviors = {} + + for key, val in config.iteritems(): + if key.startswith('behavior.'): + behaviors[key[9:]] = val + + coerce_memcached_behaviors(behaviors) + return behaviors + + +def func_namespace(func): + """Generates a unique namespace for a function""" + kls = None + if hasattr(func, 'im_func'): + kls = func.im_class + func = func.im_func + + if kls: + return '%s.%s' % (kls.__module__, kls.__name__) + else: + return '%s|%s' % (inspect.getsourcefile(func), func.__name__) diff --git a/pyload/lib/bottle.py b/pyload/lib/bottle.py new file mode 100644 index 000000000..bcc284c1d --- /dev/null +++ b/pyload/lib/bottle.py @@ -0,0 +1,3732 @@ +#!/usr/bin/env python +# -*- coding: utf-8 -*- +""" +Bottle is a fast and simple micro-framework for small web applications. It +offers request dispatching (Routes) with url parameter support, templates, +a built-in HTTP Server and adapters for many third party WSGI/HTTP-server and +template engines - all in a single file and with no dependencies other than the +Python Standard Library. + +Homepage and documentation: http://bottlepy.org/ + +Copyright (c) 2013, Marcel Hellkamp. +License: MIT (see LICENSE for details) +""" + +from __future__ import with_statement + +__author__ = 'Marcel Hellkamp' +__version__ = '0.12.7' +__license__ = 'MIT' + +# The gevent server adapter needs to patch some modules before they are imported +# This is why we parse the commandline parameters here but handle them later +if __name__ == '__main__': + from optparse import OptionParser + _cmd_parser = OptionParser(usage="usage: %prog [options] package.module:app") + _opt = _cmd_parser.add_option + _opt("--version", action="store_true", help="show version number.") + _opt("-b", "--bind", metavar="ADDRESS", help="bind socket to ADDRESS.") + _opt("-s", "--server", default='wsgiref', help="use SERVER as backend.") + _opt("-p", "--plugin", action="append", help="install additional plugin/s.") + _opt("--debug", action="store_true", help="start server in debug mode.") + _opt("--reload", action="store_true", help="auto-reload on file changes.") + _cmd_options, _cmd_args = _cmd_parser.parse_args() + if _cmd_options.server and _cmd_options.server.startswith('gevent'): + import gevent.monkey; gevent.monkey.patch_all() + +import base64, cgi, email.utils, functools, hmac, imp, itertools, mimetypes,\ + os, re, subprocess, sys, tempfile, threading, time, warnings + +from datetime import date as datedate, datetime, timedelta +from tempfile import TemporaryFile +from traceback import format_exc, print_exc +from inspect import getargspec +from unicodedata import normalize + + +try: from simplejson import dumps as json_dumps, loads as json_lds +except ImportError: # pragma: no cover + try: from json import dumps as json_dumps, loads as json_lds + except ImportError: + try: from django.utils.simplejson import dumps as json_dumps, loads as json_lds + except ImportError: + def json_dumps(data): + raise ImportError("JSON support requires Python 2.6 or simplejson.") + json_lds = json_dumps + + + +# We now try to fix 2.5/2.6/3.1/3.2 incompatibilities. +# It ain't pretty but it works... Sorry for the mess. + +py = sys.version_info +py3k = py >= (3, 0, 0) +py25 = py < (2, 6, 0) +py31 = (3, 1, 0) <= py < (3, 2, 0) + +# Workaround for the missing "as" keyword in py3k. +def _e(): return sys.exc_info()[1] + +# Workaround for the "print is a keyword/function" Python 2/3 dilemma +# and a fallback for mod_wsgi (resticts stdout/err attribute access) +try: + _stdout, _stderr = sys.stdout.write, sys.stderr.write +except IOError: + _stdout = lambda x: sys.stdout.write(x) + _stderr = lambda x: sys.stderr.write(x) + +# Lots of stdlib and builtin differences. +if py3k: + import http.client as httplib + import _thread as thread + from urllib.parse import urljoin, SplitResult as UrlSplitResult + from urllib.parse import urlencode, quote as urlquote, unquote as urlunquote + urlunquote = functools.partial(urlunquote, encoding='latin1') + from http.cookies import SimpleCookie + from collections import MutableMapping as DictMixin + import pickle + from io import BytesIO + from configparser import ConfigParser + basestring = str + unicode = str + json_loads = lambda s: json_lds(touni(s)) + callable = lambda x: hasattr(x, '__call__') + imap = map + def _raise(*a): raise a[0](a[1]).with_traceback(a[2]) +else: # 2.x + import httplib + import thread + from urlparse import urljoin, SplitResult as UrlSplitResult + from urllib import urlencode, quote as urlquote, unquote as urlunquote + from Cookie import SimpleCookie + from itertools import imap + import cPickle as pickle + from StringIO import StringIO as BytesIO + from ConfigParser import SafeConfigParser as ConfigParser + if py25: + msg = "Python 2.5 support may be dropped in future versions of Bottle." + warnings.warn(msg, DeprecationWarning) + from UserDict import DictMixin + def next(it): return it.next() + bytes = str + else: # 2.6, 2.7 + from collections import MutableMapping as DictMixin + unicode = unicode + json_loads = json_lds + eval(compile('def _raise(*a): raise a[0], a[1], a[2]', '<py3fix>', 'exec')) + +# Some helpers for string/byte handling +def tob(s, enc='utf8'): + return s.encode(enc) if isinstance(s, unicode) else bytes(s) +def touni(s, enc='utf8', err='strict'): + return s.decode(enc, err) if isinstance(s, bytes) else unicode(s) +tonat = touni if py3k else tob + +# 3.2 fixes cgi.FieldStorage to accept bytes (which makes a lot of sense). +# 3.1 needs a workaround. +if py31: + from io import TextIOWrapper + class NCTextIOWrapper(TextIOWrapper): + def close(self): pass # Keep wrapped buffer open. + + +# A bug in functools causes it to break if the wrapper is an instance method +def update_wrapper(wrapper, wrapped, *a, **ka): + try: functools.update_wrapper(wrapper, wrapped, *a, **ka) + except AttributeError: pass + + + +# These helpers are used at module level and need to be defined first. +# And yes, I know PEP-8, but sometimes a lower-case classname makes more sense. + +def depr(message, hard=False): + warnings.warn(message, DeprecationWarning, stacklevel=3) + +def makelist(data): # This is just to handy + if isinstance(data, (tuple, list, set, dict)): return list(data) + elif data: return [data] + else: return [] + + +class DictProperty(object): + ''' Property that maps to a key in a local dict-like attribute. ''' + def __init__(self, attr, key=None, read_only=False): + self.attr, self.key, self.read_only = attr, key, read_only + + def __call__(self, func): + functools.update_wrapper(self, func, updated=[]) + self.getter, self.key = func, self.key or func.__name__ + return self + + def __get__(self, obj, cls): + if obj is None: return self + key, storage = self.key, getattr(obj, self.attr) + if key not in storage: storage[key] = self.getter(obj) + return storage[key] + + def __set__(self, obj, value): + if self.read_only: raise AttributeError("Read-Only property.") + getattr(obj, self.attr)[self.key] = value + + def __delete__(self, obj): + if self.read_only: raise AttributeError("Read-Only property.") + del getattr(obj, self.attr)[self.key] + + +class cached_property(object): + ''' A property that is only computed once per instance and then replaces + itself with an ordinary attribute. Deleting the attribute resets the + property. ''' + + def __init__(self, func): + self.__doc__ = getattr(func, '__doc__') + self.func = func + + def __get__(self, obj, cls): + if obj is None: return self + value = obj.__dict__[self.func.__name__] = self.func(obj) + return value + + +class lazy_attribute(object): + ''' A property that caches itself to the class object. ''' + def __init__(self, func): + functools.update_wrapper(self, func, updated=[]) + self.getter = func + + def __get__(self, obj, cls): + value = self.getter(cls) + setattr(cls, self.__name__, value) + return value + + + + + + +############################################################################### +# Exceptions and Events ######################################################## +############################################################################### + + +class BottleException(Exception): + """ A base class for exceptions used by bottle. """ + pass + + + + + + +############################################################################### +# Routing ###################################################################### +############################################################################### + + +class RouteError(BottleException): + """ This is a base class for all routing related exceptions """ + + +class RouteReset(BottleException): + """ If raised by a plugin or request handler, the route is reset and all + plugins are re-applied. """ + +class RouterUnknownModeError(RouteError): pass + + +class RouteSyntaxError(RouteError): + """ The route parser found something not supported by this router. """ + + +class RouteBuildError(RouteError): + """ The route could not be built. """ + + +def _re_flatten(p): + ''' Turn all capturing groups in a regular expression pattern into + non-capturing groups. ''' + if '(' not in p: return p + return re.sub(r'(\\*)(\(\?P<[^>]+>|\((?!\?))', + lambda m: m.group(0) if len(m.group(1)) % 2 else m.group(1) + '(?:', p) + + +class Router(object): + ''' A Router is an ordered collection of route->target pairs. It is used to + efficiently match WSGI requests against a number of routes and return + the first target that satisfies the request. The target may be anything, + usually a string, ID or callable object. A route consists of a path-rule + and a HTTP method. + + The path-rule is either a static path (e.g. `/contact`) or a dynamic + path that contains wildcards (e.g. `/wiki/<page>`). The wildcard syntax + and details on the matching order are described in docs:`routing`. + ''' + + default_pattern = '[^/]+' + default_filter = 're' + + #: The current CPython regexp implementation does not allow more + #: than 99 matching groups per regular expression. + _MAX_GROUPS_PER_PATTERN = 99 + + def __init__(self, strict=False): + self.rules = [] # All rules in order + self._groups = {} # index of regexes to find them in dyna_routes + self.builder = {} # Data structure for the url builder + self.static = {} # Search structure for static routes + self.dyna_routes = {} + self.dyna_regexes = {} # Search structure for dynamic routes + #: If true, static routes are no longer checked first. + self.strict_order = strict + self.filters = { + 're': lambda conf: + (_re_flatten(conf or self.default_pattern), None, None), + 'int': lambda conf: (r'-?\d+', int, lambda x: str(int(x))), + 'float': lambda conf: (r'-?[\d.]+', float, lambda x: str(float(x))), + 'path': lambda conf: (r'.+?', None, None)} + + def add_filter(self, name, func): + ''' Add a filter. The provided function is called with the configuration + string as parameter and must return a (regexp, to_python, to_url) tuple. + The first element is a string, the last two are callables or None. ''' + self.filters[name] = func + + rule_syntax = re.compile('(\\\\*)'\ + '(?:(?::([a-zA-Z_][a-zA-Z_0-9]*)?()(?:#(.*?)#)?)'\ + '|(?:<([a-zA-Z_][a-zA-Z_0-9]*)?(?::([a-zA-Z_]*)'\ + '(?::((?:\\\\.|[^\\\\>]+)+)?)?)?>))') + + def _itertokens(self, rule): + offset, prefix = 0, '' + for match in self.rule_syntax.finditer(rule): + prefix += rule[offset:match.start()] + g = match.groups() + if len(g[0])%2: # Escaped wildcard + prefix += match.group(0)[len(g[0]):] + offset = match.end() + continue + if prefix: + yield prefix, None, None + name, filtr, conf = g[4:7] if g[2] is None else g[1:4] + yield name, filtr or 'default', conf or None + offset, prefix = match.end(), '' + if offset <= len(rule) or prefix: + yield prefix+rule[offset:], None, None + + def add(self, rule, method, target, name=None): + ''' Add a new rule or replace the target for an existing rule. ''' + anons = 0 # Number of anonymous wildcards found + keys = [] # Names of keys + pattern = '' # Regular expression pattern with named groups + filters = [] # Lists of wildcard input filters + builder = [] # Data structure for the URL builder + is_static = True + + for key, mode, conf in self._itertokens(rule): + if mode: + is_static = False + if mode == 'default': mode = self.default_filter + mask, in_filter, out_filter = self.filters[mode](conf) + if not key: + pattern += '(?:%s)' % mask + key = 'anon%d' % anons + anons += 1 + else: + pattern += '(?P<%s>%s)' % (key, mask) + keys.append(key) + if in_filter: filters.append((key, in_filter)) + builder.append((key, out_filter or str)) + elif key: + pattern += re.escape(key) + builder.append((None, key)) + + self.builder[rule] = builder + if name: self.builder[name] = builder + + if is_static and not self.strict_order: + self.static.setdefault(method, {}) + self.static[method][self.build(rule)] = (target, None) + return + + try: + re_pattern = re.compile('^(%s)$' % pattern) + re_match = re_pattern.match + except re.error: + raise RouteSyntaxError("Could not add Route: %s (%s)" % (rule, _e())) + + if filters: + def getargs(path): + url_args = re_match(path).groupdict() + for name, wildcard_filter in filters: + try: + url_args[name] = wildcard_filter(url_args[name]) + except ValueError: + raise HTTPError(400, 'Path has wrong format.') + return url_args + elif re_pattern.groupindex: + def getargs(path): + return re_match(path).groupdict() + else: + getargs = None + + flatpat = _re_flatten(pattern) + whole_rule = (rule, flatpat, target, getargs) + + if (flatpat, method) in self._groups: + if DEBUG: + msg = 'Route <%s %s> overwrites a previously defined route' + warnings.warn(msg % (method, rule), RuntimeWarning) + self.dyna_routes[method][self._groups[flatpat, method]] = whole_rule + else: + self.dyna_routes.setdefault(method, []).append(whole_rule) + self._groups[flatpat, method] = len(self.dyna_routes[method]) - 1 + + self._compile(method) + + def _compile(self, method): + all_rules = self.dyna_routes[method] + comborules = self.dyna_regexes[method] = [] + maxgroups = self._MAX_GROUPS_PER_PATTERN + for x in range(0, len(all_rules), maxgroups): + some = all_rules[x:x+maxgroups] + combined = (flatpat for (_, flatpat, _, _) in some) + combined = '|'.join('(^%s$)' % flatpat for flatpat in combined) + combined = re.compile(combined).match + rules = [(target, getargs) for (_, _, target, getargs) in some] + comborules.append((combined, rules)) + + def build(self, _name, *anons, **query): + ''' Build an URL by filling the wildcards in a rule. ''' + builder = self.builder.get(_name) + if not builder: raise RouteBuildError("No route with that name.", _name) + try: + for i, value in enumerate(anons): query['anon%d'%i] = value + url = ''.join([f(query.pop(n)) if n else f for (n,f) in builder]) + return url if not query else url+'?'+urlencode(query) + except KeyError: + raise RouteBuildError('Missing URL argument: %r' % _e().args[0]) + + def match(self, environ): + ''' Return a (target, url_agrs) tuple or raise HTTPError(400/404/405). ''' + verb = environ['REQUEST_METHOD'].upper() + path = environ['PATH_INFO'] or '/' + target = None + if verb == 'HEAD': + methods = ['PROXY', verb, 'GET', 'ANY'] + else: + methods = ['PROXY', verb, 'ANY'] + + for method in methods: + if method in self.static and path in self.static[method]: + target, getargs = self.static[method][path] + return target, getargs(path) if getargs else {} + elif method in self.dyna_regexes: + for combined, rules in self.dyna_regexes[method]: + match = combined(path) + if match: + target, getargs = rules[match.lastindex - 1] + return target, getargs(path) if getargs else {} + + # No matching route found. Collect alternative methods for 405 response + allowed = set([]) + nocheck = set(methods) + for method in set(self.static) - nocheck: + if path in self.static[method]: + allowed.add(verb) + for method in set(self.dyna_regexes) - allowed - nocheck: + for combined, rules in self.dyna_regexes[method]: + match = combined(path) + if match: + allowed.add(method) + if allowed: + allow_header = ",".join(sorted(allowed)) + raise HTTPError(405, "Method not allowed.", Allow=allow_header) + + # No matching route and no alternative method found. We give up + raise HTTPError(404, "Not found: " + repr(path)) + + + + + + +class Route(object): + ''' This class wraps a route callback along with route specific metadata and + configuration and applies Plugins on demand. It is also responsible for + turing an URL path rule into a regular expression usable by the Router. + ''' + + def __init__(self, app, rule, method, callback, name=None, + plugins=None, skiplist=None, **config): + #: The application this route is installed to. + self.app = app + #: The path-rule string (e.g. ``/wiki/:page``). + self.rule = rule + #: The HTTP method as a string (e.g. ``GET``). + self.method = method + #: The original callback with no plugins applied. Useful for introspection. + self.callback = callback + #: The name of the route (if specified) or ``None``. + self.name = name or None + #: A list of route-specific plugins (see :meth:`Bottle.route`). + self.plugins = plugins or [] + #: A list of plugins to not apply to this route (see :meth:`Bottle.route`). + self.skiplist = skiplist or [] + #: Additional keyword arguments passed to the :meth:`Bottle.route` + #: decorator are stored in this dictionary. Used for route-specific + #: plugin configuration and meta-data. + self.config = ConfigDict().load_dict(config, make_namespaces=True) + + def __call__(self, *a, **ka): + depr("Some APIs changed to return Route() instances instead of"\ + " callables. Make sure to use the Route.call method and not to"\ + " call Route instances directly.") #0.12 + return self.call(*a, **ka) + + @cached_property + def call(self): + ''' The route callback with all plugins applied. This property is + created on demand and then cached to speed up subsequent requests.''' + return self._make_callback() + + def reset(self): + ''' Forget any cached values. The next time :attr:`call` is accessed, + all plugins are re-applied. ''' + self.__dict__.pop('call', None) + + def prepare(self): + ''' Do all on-demand work immediately (useful for debugging).''' + self.call + + @property + def _context(self): + depr('Switch to Plugin API v2 and access the Route object directly.') #0.12 + return dict(rule=self.rule, method=self.method, callback=self.callback, + name=self.name, app=self.app, config=self.config, + apply=self.plugins, skip=self.skiplist) + + def all_plugins(self): + ''' Yield all Plugins affecting this route. ''' + unique = set() + for p in reversed(self.app.plugins + self.plugins): + if True in self.skiplist: break + name = getattr(p, 'name', False) + if name and (name in self.skiplist or name in unique): continue + if p in self.skiplist or type(p) in self.skiplist: continue + if name: unique.add(name) + yield p + + def _make_callback(self): + callback = self.callback + for plugin in self.all_plugins(): + try: + if hasattr(plugin, 'apply'): + api = getattr(plugin, 'api', 1) + context = self if api > 1 else self._context + callback = plugin.apply(callback, context) + else: + callback = plugin(callback) + except RouteReset: # Try again with changed configuration. + return self._make_callback() + if not callback is self.callback: + update_wrapper(callback, self.callback) + return callback + + def get_undecorated_callback(self): + ''' Return the callback. If the callback is a decorated function, try to + recover the original function. ''' + func = self.callback + func = getattr(func, '__func__' if py3k else 'im_func', func) + closure_attr = '__closure__' if py3k else 'func_closure' + while hasattr(func, closure_attr) and getattr(func, closure_attr): + func = getattr(func, closure_attr)[0].cell_contents + return func + + def get_callback_args(self): + ''' Return a list of argument names the callback (most likely) accepts + as keyword arguments. If the callback is a decorated function, try + to recover the original function before inspection. ''' + return getargspec(self.get_undecorated_callback())[0] + + def get_config(self, key, default=None): + ''' Lookup a config field and return its value, first checking the + route.config, then route.app.config.''' + for conf in (self.config, self.app.conifg): + if key in conf: return conf[key] + return default + + def __repr__(self): + cb = self.get_undecorated_callback() + return '<%s %r %r>' % (self.method, self.rule, cb) + + + + + + +############################################################################### +# Application Object ########################################################### +############################################################################### + + +class Bottle(object): + """ Each Bottle object represents a single, distinct web application and + consists of routes, callbacks, plugins, resources and configuration. + Instances are callable WSGI applications. + + :param catchall: If true (default), handle all exceptions. Turn off to + let debugging middleware handle exceptions. + """ + + def __init__(self, catchall=True, autojson=True): + + #: A :class:`ConfigDict` for app specific configuration. + self.config = ConfigDict() + self.config._on_change = functools.partial(self.trigger_hook, 'config') + self.config.meta_set('autojson', 'validate', bool) + self.config.meta_set('catchall', 'validate', bool) + self.config['catchall'] = catchall + self.config['autojson'] = autojson + + #: A :class:`ResourceManager` for application files + self.resources = ResourceManager() + + self.routes = [] # List of installed :class:`Route` instances. + self.router = Router() # Maps requests to :class:`Route` instances. + self.error_handler = {} + + # Core plugins + self.plugins = [] # List of installed plugins. + if self.config['autojson']: + self.install(JSONPlugin()) + self.install(TemplatePlugin()) + + #: If true, most exceptions are caught and returned as :exc:`HTTPError` + catchall = DictProperty('config', 'catchall') + + __hook_names = 'before_request', 'after_request', 'app_reset', 'config' + __hook_reversed = 'after_request' + + @cached_property + def _hooks(self): + return dict((name, []) for name in self.__hook_names) + + def add_hook(self, name, func): + ''' Attach a callback to a hook. Three hooks are currently implemented: + + before_request + Executed once before each request. The request context is + available, but no routing has happened yet. + after_request + Executed once after each request regardless of its outcome. + app_reset + Called whenever :meth:`Bottle.reset` is called. + ''' + if name in self.__hook_reversed: + self._hooks[name].insert(0, func) + else: + self._hooks[name].append(func) + + def remove_hook(self, name, func): + ''' Remove a callback from a hook. ''' + if name in self._hooks and func in self._hooks[name]: + self._hooks[name].remove(func) + return True + + def trigger_hook(self, __name, *args, **kwargs): + ''' Trigger a hook and return a list of results. ''' + return [hook(*args, **kwargs) for hook in self._hooks[__name][:]] + + def hook(self, name): + """ Return a decorator that attaches a callback to a hook. See + :meth:`add_hook` for details.""" + def decorator(func): + self.add_hook(name, func) + return func + return decorator + + def mount(self, prefix, app, **options): + ''' Mount an application (:class:`Bottle` or plain WSGI) to a specific + URL prefix. Example:: + + root_app.mount('/admin/', admin_app) + + :param prefix: path prefix or `mount-point`. If it ends in a slash, + that slash is mandatory. + :param app: an instance of :class:`Bottle` or a WSGI application. + + All other parameters are passed to the underlying :meth:`route` call. + ''' + if isinstance(app, basestring): + depr('Parameter order of Bottle.mount() changed.', True) # 0.10 + + segments = [p for p in prefix.split('/') if p] + if not segments: raise ValueError('Empty path prefix.') + path_depth = len(segments) + + def mountpoint_wrapper(): + try: + request.path_shift(path_depth) + rs = HTTPResponse([]) + def start_response(status, headerlist, exc_info=None): + if exc_info: + try: + _raise(*exc_info) + finally: + exc_info = None + rs.status = status + for name, value in headerlist: rs.add_header(name, value) + return rs.body.append + body = app(request.environ, start_response) + if body and rs.body: body = itertools.chain(rs.body, body) + rs.body = body or rs.body + return rs + finally: + request.path_shift(-path_depth) + + options.setdefault('skip', True) + options.setdefault('method', 'PROXY') + options.setdefault('mountpoint', {'prefix': prefix, 'target': app}) + options['callback'] = mountpoint_wrapper + + self.route('/%s/<:re:.*>' % '/'.join(segments), **options) + if not prefix.endswith('/'): + self.route('/' + '/'.join(segments), **options) + + def merge(self, routes): + ''' Merge the routes of another :class:`Bottle` application or a list of + :class:`Route` objects into this application. The routes keep their + 'owner', meaning that the :data:`Route.app` attribute is not + changed. ''' + if isinstance(routes, Bottle): + routes = routes.routes + for route in routes: + self.add_route(route) + + def install(self, plugin): + ''' Add a plugin to the list of plugins and prepare it for being + applied to all routes of this application. A plugin may be a simple + decorator or an object that implements the :class:`Plugin` API. + ''' + if hasattr(plugin, 'setup'): plugin.setup(self) + if not callable(plugin) and not hasattr(plugin, 'apply'): + raise TypeError("Plugins must be callable or implement .apply()") + self.plugins.append(plugin) + self.reset() + return plugin + + def uninstall(self, plugin): + ''' Uninstall plugins. Pass an instance to remove a specific plugin, a type + object to remove all plugins that match that type, a string to remove + all plugins with a matching ``name`` attribute or ``True`` to remove all + plugins. Return the list of removed plugins. ''' + removed, remove = [], plugin + for i, plugin in list(enumerate(self.plugins))[::-1]: + if remove is True or remove is plugin or remove is type(plugin) \ + or getattr(plugin, 'name', True) == remove: + removed.append(plugin) + del self.plugins[i] + if hasattr(plugin, 'close'): plugin.close() + if removed: self.reset() + return removed + + def reset(self, route=None): + ''' Reset all routes (force plugins to be re-applied) and clear all + caches. If an ID or route object is given, only that specific route + is affected. ''' + if route is None: routes = self.routes + elif isinstance(route, Route): routes = [route] + else: routes = [self.routes[route]] + for route in routes: route.reset() + if DEBUG: + for route in routes: route.prepare() + self.trigger_hook('app_reset') + + def close(self): + ''' Close the application and all installed plugins. ''' + for plugin in self.plugins: + if hasattr(plugin, 'close'): plugin.close() + self.stopped = True + + def run(self, **kwargs): + ''' Calls :func:`run` with the same parameters. ''' + run(self, **kwargs) + + def match(self, environ): + """ Search for a matching route and return a (:class:`Route` , urlargs) + tuple. The second value is a dictionary with parameters extracted + from the URL. Raise :exc:`HTTPError` (404/405) on a non-match.""" + return self.router.match(environ) + + def get_url(self, routename, **kargs): + """ Return a string that matches a named route """ + scriptname = request.environ.get('SCRIPT_NAME', '').strip('/') + '/' + location = self.router.build(routename, **kargs).lstrip('/') + return urljoin(urljoin('/', scriptname), location) + + def add_route(self, route): + ''' Add a route object, but do not change the :data:`Route.app` + attribute.''' + self.routes.append(route) + self.router.add(route.rule, route.method, route, name=route.name) + if DEBUG: route.prepare() + + def route(self, path=None, method='GET', callback=None, name=None, + apply=None, skip=None, **config): + """ A decorator to bind a function to a request URL. Example:: + + @app.route('/hello/:name') + def hello(name): + return 'Hello %s' % name + + The ``:name`` part is a wildcard. See :class:`Router` for syntax + details. + + :param path: Request path or a list of paths to listen to. If no + path is specified, it is automatically generated from the + signature of the function. + :param method: HTTP method (`GET`, `POST`, `PUT`, ...) or a list of + methods to listen to. (default: `GET`) + :param callback: An optional shortcut to avoid the decorator + syntax. ``route(..., callback=func)`` equals ``route(...)(func)`` + :param name: The name for this route. (default: None) + :param apply: A decorator or plugin or a list of plugins. These are + applied to the route callback in addition to installed plugins. + :param skip: A list of plugins, plugin classes or names. Matching + plugins are not installed to this route. ``True`` skips all. + + Any additional keyword arguments are stored as route-specific + configuration and passed to plugins (see :meth:`Plugin.apply`). + """ + if callable(path): path, callback = None, path + plugins = makelist(apply) + skiplist = makelist(skip) + def decorator(callback): + # TODO: Documentation and tests + if isinstance(callback, basestring): callback = load(callback) + for rule in makelist(path) or yieldroutes(callback): + for verb in makelist(method): + verb = verb.upper() + route = Route(self, rule, verb, callback, name=name, + plugins=plugins, skiplist=skiplist, **config) + self.add_route(route) + return callback + return decorator(callback) if callback else decorator + + def get(self, path=None, method='GET', **options): + """ Equals :meth:`route`. """ + return self.route(path, method, **options) + + def post(self, path=None, method='POST', **options): + """ Equals :meth:`route` with a ``POST`` method parameter. """ + return self.route(path, method, **options) + + def put(self, path=None, method='PUT', **options): + """ Equals :meth:`route` with a ``PUT`` method parameter. """ + return self.route(path, method, **options) + + def delete(self, path=None, method='DELETE', **options): + """ Equals :meth:`route` with a ``DELETE`` method parameter. """ + return self.route(path, method, **options) + + def error(self, code=500): + """ Decorator: Register an output handler for a HTTP error code""" + def wrapper(handler): + self.error_handler[int(code)] = handler + return handler + return wrapper + + def default_error_handler(self, res): + return tob(template(ERROR_PAGE_TEMPLATE, e=res)) + + def _handle(self, environ): + path = environ['bottle.raw_path'] = environ['PATH_INFO'] + if py3k: + try: + environ['PATH_INFO'] = path.encode('latin1').decode('utf8') + except UnicodeError: + return HTTPError(400, 'Invalid path string. Expected UTF-8') + + try: + environ['bottle.app'] = self + request.bind(environ) + response.bind() + try: + self.trigger_hook('before_request') + route, args = self.router.match(environ) + environ['route.handle'] = route + environ['bottle.route'] = route + environ['route.url_args'] = args + return route.call(**args) + finally: + self.trigger_hook('after_request') + + except HTTPResponse: + return _e() + except RouteReset: + route.reset() + return self._handle(environ) + except (KeyboardInterrupt, SystemExit, MemoryError): + raise + except Exception: + if not self.catchall: raise + stacktrace = format_exc() + environ['wsgi.errors'].write(stacktrace) + return HTTPError(500, "Internal Server Error", _e(), stacktrace) + + def _cast(self, out, peek=None): + """ Try to convert the parameter into something WSGI compatible and set + correct HTTP headers when possible. + Support: False, str, unicode, dict, HTTPResponse, HTTPError, file-like, + iterable of strings and iterable of unicodes + """ + + # Empty output is done here + if not out: + if 'Content-Length' not in response: + response['Content-Length'] = 0 + return [] + # Join lists of byte or unicode strings. Mixed lists are NOT supported + if isinstance(out, (tuple, list))\ + and isinstance(out[0], (bytes, unicode)): + out = out[0][0:0].join(out) # b'abc'[0:0] -> b'' + # Encode unicode strings + if isinstance(out, unicode): + out = out.encode(response.charset) + # Byte Strings are just returned + if isinstance(out, bytes): + if 'Content-Length' not in response: + response['Content-Length'] = len(out) + return [out] + # HTTPError or HTTPException (recursive, because they may wrap anything) + # TODO: Handle these explicitly in handle() or make them iterable. + if isinstance(out, HTTPError): + out.apply(response) + out = self.error_handler.get(out.status_code, self.default_error_handler)(out) + return self._cast(out) + if isinstance(out, HTTPResponse): + out.apply(response) + return self._cast(out.body) + + # File-like objects. + if hasattr(out, 'read'): + if 'wsgi.file_wrapper' in request.environ: + return request.environ['wsgi.file_wrapper'](out) + elif hasattr(out, 'close') or not hasattr(out, '__iter__'): + return WSGIFileWrapper(out) + + # Handle Iterables. We peek into them to detect their inner type. + try: + iout = iter(out) + first = next(iout) + while not first: + first = next(iout) + except StopIteration: + return self._cast('') + except HTTPResponse: + first = _e() + except (KeyboardInterrupt, SystemExit, MemoryError): + raise + except Exception: + if not self.catchall: raise + first = HTTPError(500, 'Unhandled exception', _e(), format_exc()) + + # These are the inner types allowed in iterator or generator objects. + if isinstance(first, HTTPResponse): + return self._cast(first) + elif isinstance(first, bytes): + new_iter = itertools.chain([first], iout) + elif isinstance(first, unicode): + encoder = lambda x: x.encode(response.charset) + new_iter = imap(encoder, itertools.chain([first], iout)) + else: + msg = 'Unsupported response type: %s' % type(first) + return self._cast(HTTPError(500, msg)) + if hasattr(out, 'close'): + new_iter = _closeiter(new_iter, out.close) + return new_iter + + def wsgi(self, environ, start_response): + """ The bottle WSGI-interface. """ + try: + out = self._cast(self._handle(environ)) + # rfc2616 section 4.3 + if response._status_code in (100, 101, 204, 304)\ + or environ['REQUEST_METHOD'] == 'HEAD': + if hasattr(out, 'close'): out.close() + out = [] + start_response(response._status_line, response.headerlist) + return out + except (KeyboardInterrupt, SystemExit, MemoryError): + raise + except Exception: + if not self.catchall: raise + err = '<h1>Critical error while processing request: %s</h1>' \ + % html_escape(environ.get('PATH_INFO', '/')) + if DEBUG: + err += '<h2>Error:</h2>\n<pre>\n%s\n</pre>\n' \ + '<h2>Traceback:</h2>\n<pre>\n%s\n</pre>\n' \ + % (html_escape(repr(_e())), html_escape(format_exc())) + environ['wsgi.errors'].write(err) + headers = [('Content-Type', 'text/html; charset=UTF-8')] + start_response('500 INTERNAL SERVER ERROR', headers, sys.exc_info()) + return [tob(err)] + + def __call__(self, environ, start_response): + ''' Each instance of :class:'Bottle' is a WSGI application. ''' + return self.wsgi(environ, start_response) + + + + + + +############################################################################### +# HTTP and WSGI Tools ########################################################## +############################################################################### + +class BaseRequest(object): + """ A wrapper for WSGI environment dictionaries that adds a lot of + convenient access methods and properties. Most of them are read-only. + + Adding new attributes to a request actually adds them to the environ + dictionary (as 'bottle.request.ext.<name>'). This is the recommended + way to store and access request-specific data. + """ + + __slots__ = ('environ') + + #: Maximum size of memory buffer for :attr:`body` in bytes. + MEMFILE_MAX = 102400 + + def __init__(self, environ=None): + """ Wrap a WSGI environ dictionary. """ + #: The wrapped WSGI environ dictionary. This is the only real attribute. + #: All other attributes actually are read-only properties. + self.environ = {} if environ is None else environ + self.environ['bottle.request'] = self + + @DictProperty('environ', 'bottle.app', read_only=True) + def app(self): + ''' Bottle application handling this request. ''' + raise RuntimeError('This request is not connected to an application.') + + @DictProperty('environ', 'bottle.route', read_only=True) + def route(self): + """ The bottle :class:`Route` object that matches this request. """ + raise RuntimeError('This request is not connected to a route.') + + @DictProperty('environ', 'route.url_args', read_only=True) + def url_args(self): + """ The arguments extracted from the URL. """ + raise RuntimeError('This request is not connected to a route.') + + @property + def path(self): + ''' The value of ``PATH_INFO`` with exactly one prefixed slash (to fix + broken clients and avoid the "empty path" edge case). ''' + return '/' + self.environ.get('PATH_INFO','').lstrip('/') + + @property + def method(self): + ''' The ``REQUEST_METHOD`` value as an uppercase string. ''' + return self.environ.get('REQUEST_METHOD', 'GET').upper() + + @DictProperty('environ', 'bottle.request.headers', read_only=True) + def headers(self): + ''' A :class:`WSGIHeaderDict` that provides case-insensitive access to + HTTP request headers. ''' + return WSGIHeaderDict(self.environ) + + def get_header(self, name, default=None): + ''' Return the value of a request header, or a given default value. ''' + return self.headers.get(name, default) + + @DictProperty('environ', 'bottle.request.cookies', read_only=True) + def cookies(self): + """ Cookies parsed into a :class:`FormsDict`. Signed cookies are NOT + decoded. Use :meth:`get_cookie` if you expect signed cookies. """ + cookies = SimpleCookie(self.environ.get('HTTP_COOKIE','')).values() + return FormsDict((c.key, c.value) for c in cookies) + + def get_cookie(self, key, default=None, secret=None): + """ Return the content of a cookie. To read a `Signed Cookie`, the + `secret` must match the one used to create the cookie (see + :meth:`BaseResponse.set_cookie`). If anything goes wrong (missing + cookie or wrong signature), return a default value. """ + value = self.cookies.get(key) + if secret and value: + dec = cookie_decode(value, secret) # (key, value) tuple or None + return dec[1] if dec and dec[0] == key else default + return value or default + + @DictProperty('environ', 'bottle.request.query', read_only=True) + def query(self): + ''' The :attr:`query_string` parsed into a :class:`FormsDict`. These + values are sometimes called "URL arguments" or "GET parameters", but + not to be confused with "URL wildcards" as they are provided by the + :class:`Router`. ''' + get = self.environ['bottle.get'] = FormsDict() + pairs = _parse_qsl(self.environ.get('QUERY_STRING', '')) + for key, value in pairs: + get[key] = value + return get + + @DictProperty('environ', 'bottle.request.forms', read_only=True) + def forms(self): + """ Form values parsed from an `url-encoded` or `multipart/form-data` + encoded POST or PUT request body. The result is returned as a + :class:`FormsDict`. All keys and values are strings. File uploads + are stored separately in :attr:`files`. """ + forms = FormsDict() + for name, item in self.POST.allitems(): + if not isinstance(item, FileUpload): + forms[name] = item + return forms + + @DictProperty('environ', 'bottle.request.params', read_only=True) + def params(self): + """ A :class:`FormsDict` with the combined values of :attr:`query` and + :attr:`forms`. File uploads are stored in :attr:`files`. """ + params = FormsDict() + for key, value in self.query.allitems(): + params[key] = value + for key, value in self.forms.allitems(): + params[key] = value + return params + + @DictProperty('environ', 'bottle.request.files', read_only=True) + def files(self): + """ File uploads parsed from `multipart/form-data` encoded POST or PUT + request body. The values are instances of :class:`FileUpload`. + + """ + files = FormsDict() + for name, item in self.POST.allitems(): + if isinstance(item, FileUpload): + files[name] = item + return files + + @DictProperty('environ', 'bottle.request.json', read_only=True) + def json(self): + ''' If the ``Content-Type`` header is ``application/json``, this + property holds the parsed content of the request body. Only requests + smaller than :attr:`MEMFILE_MAX` are processed to avoid memory + exhaustion. ''' + ctype = self.environ.get('CONTENT_TYPE', '').lower().split(';')[0] + if ctype == 'application/json': + return json_loads(self._get_body_string()) + return None + + def _iter_body(self, read, bufsize): + maxread = max(0, self.content_length) + while maxread: + part = read(min(maxread, bufsize)) + if not part: break + yield part + maxread -= len(part) + + def _iter_chunked(self, read, bufsize): + err = HTTPError(400, 'Error while parsing chunked transfer body.') + rn, sem, bs = tob('\r\n'), tob(';'), tob('') + while True: + header = read(1) + while header[-2:] != rn: + c = read(1) + header += c + if not c: raise err + if len(header) > bufsize: raise err + size, _, _ = header.partition(sem) + try: + maxread = int(tonat(size.strip()), 16) + except ValueError: + raise err + if maxread == 0: break + buff = bs + while maxread > 0: + if not buff: + buff = read(min(maxread, bufsize)) + part, buff = buff[:maxread], buff[maxread:] + if not part: raise err + yield part + maxread -= len(part) + if read(2) != rn: + raise err + + @DictProperty('environ', 'bottle.request.body', read_only=True) + def _body(self): + body_iter = self._iter_chunked if self.chunked else self._iter_body + read_func = self.environ['wsgi.input'].read + body, body_size, is_temp_file = BytesIO(), 0, False + for part in body_iter(read_func, self.MEMFILE_MAX): + body.write(part) + body_size += len(part) + if not is_temp_file and body_size > self.MEMFILE_MAX: + body, tmp = TemporaryFile(mode='w+b'), body + body.write(tmp.getvalue()) + del tmp + is_temp_file = True + self.environ['wsgi.input'] = body + body.seek(0) + return body + + def _get_body_string(self): + ''' read body until content-length or MEMFILE_MAX into a string. Raise + HTTPError(413) on requests that are to large. ''' + clen = self.content_length + if clen > self.MEMFILE_MAX: + raise HTTPError(413, 'Request to large') + if clen < 0: clen = self.MEMFILE_MAX + 1 + data = self.body.read(clen) + if len(data) > self.MEMFILE_MAX: # Fail fast + raise HTTPError(413, 'Request to large') + return data + + @property + def body(self): + """ The HTTP request body as a seek-able file-like object. Depending on + :attr:`MEMFILE_MAX`, this is either a temporary file or a + :class:`io.BytesIO` instance. Accessing this property for the first + time reads and replaces the ``wsgi.input`` environ variable. + Subsequent accesses just do a `seek(0)` on the file object. """ + self._body.seek(0) + return self._body + + @property + def chunked(self): + ''' True if Chunked transfer encoding was. ''' + return 'chunked' in self.environ.get('HTTP_TRANSFER_ENCODING', '').lower() + + #: An alias for :attr:`query`. + GET = query + + @DictProperty('environ', 'bottle.request.post', read_only=True) + def POST(self): + """ The values of :attr:`forms` and :attr:`files` combined into a single + :class:`FormsDict`. Values are either strings (form values) or + instances of :class:`cgi.FieldStorage` (file uploads). + """ + post = FormsDict() + # We default to application/x-www-form-urlencoded for everything that + # is not multipart and take the fast path (also: 3.1 workaround) + if not self.content_type.startswith('multipart/'): + pairs = _parse_qsl(tonat(self._get_body_string(), 'latin1')) + for key, value in pairs: + post[key] = value + return post + + safe_env = {'QUERY_STRING':''} # Build a safe environment for cgi + for key in ('REQUEST_METHOD', 'CONTENT_TYPE', 'CONTENT_LENGTH'): + if key in self.environ: safe_env[key] = self.environ[key] + args = dict(fp=self.body, environ=safe_env, keep_blank_values=True) + if py31: + args['fp'] = NCTextIOWrapper(args['fp'], encoding='utf8', + newline='\n') + elif py3k: + args['encoding'] = 'utf8' + data = cgi.FieldStorage(**args) + self['_cgi.FieldStorage'] = data #http://bugs.python.org/issue18394#msg207958 + data = data.list or [] + for item in data: + if item.filename: + post[item.name] = FileUpload(item.file, item.name, + item.filename, item.headers) + else: + post[item.name] = item.value + return post + + @property + def url(self): + """ The full request URI including hostname and scheme. If your app + lives behind a reverse proxy or load balancer and you get confusing + results, make sure that the ``X-Forwarded-Host`` header is set + correctly. """ + return self.urlparts.geturl() + + @DictProperty('environ', 'bottle.request.urlparts', read_only=True) + def urlparts(self): + ''' The :attr:`url` string as an :class:`urlparse.SplitResult` tuple. + The tuple contains (scheme, host, path, query_string and fragment), + but the fragment is always empty because it is not visible to the + server. ''' + env = self.environ + http = env.get('HTTP_X_FORWARDED_PROTO') or env.get('wsgi.url_scheme', 'http') + host = env.get('HTTP_X_FORWARDED_HOST') or env.get('HTTP_HOST') + if not host: + # HTTP 1.1 requires a Host-header. This is for HTTP/1.0 clients. + host = env.get('SERVER_NAME', '127.0.0.1') + port = env.get('SERVER_PORT') + if port and port != ('80' if http == 'http' else '443'): + host += ':' + port + path = urlquote(self.fullpath) + return UrlSplitResult(http, host, path, env.get('QUERY_STRING'), '') + + @property + def fullpath(self): + """ Request path including :attr:`script_name` (if present). """ + return urljoin(self.script_name, self.path.lstrip('/')) + + @property + def query_string(self): + """ The raw :attr:`query` part of the URL (everything in between ``?`` + and ``#``) as a string. """ + return self.environ.get('QUERY_STRING', '') + + @property + def script_name(self): + ''' The initial portion of the URL's `path` that was removed by a higher + level (server or routing middleware) before the application was + called. This script path is returned with leading and tailing + slashes. ''' + script_name = self.environ.get('SCRIPT_NAME', '').strip('/') + return '/' + script_name + '/' if script_name else '/' + + def path_shift(self, shift=1): + ''' Shift path segments from :attr:`path` to :attr:`script_name` and + vice versa. + + :param shift: The number of path segments to shift. May be negative + to change the shift direction. (default: 1) + ''' + script = self.environ.get('SCRIPT_NAME','/') + self['SCRIPT_NAME'], self['PATH_INFO'] = path_shift(script, self.path, shift) + + @property + def content_length(self): + ''' The request body length as an integer. The client is responsible to + set this header. Otherwise, the real length of the body is unknown + and -1 is returned. In this case, :attr:`body` will be empty. ''' + return int(self.environ.get('CONTENT_LENGTH') or -1) + + @property + def content_type(self): + ''' The Content-Type header as a lowercase-string (default: empty). ''' + return self.environ.get('CONTENT_TYPE', '').lower() + + @property + def is_xhr(self): + ''' True if the request was triggered by a XMLHttpRequest. This only + works with JavaScript libraries that support the `X-Requested-With` + header (most of the popular libraries do). ''' + requested_with = self.environ.get('HTTP_X_REQUESTED_WITH','') + return requested_with.lower() == 'xmlhttprequest' + + @property + def is_ajax(self): + ''' Alias for :attr:`is_xhr`. "Ajax" is not the right term. ''' + return self.is_xhr + + @property + def auth(self): + """ HTTP authentication data as a (user, password) tuple. This + implementation currently supports basic (not digest) authentication + only. If the authentication happened at a higher level (e.g. in the + front web-server or a middleware), the password field is None, but + the user field is looked up from the ``REMOTE_USER`` environ + variable. On any errors, None is returned. """ + basic = parse_auth(self.environ.get('HTTP_AUTHORIZATION','')) + if basic: return basic + ruser = self.environ.get('REMOTE_USER') + if ruser: return (ruser, None) + return None + + @property + def remote_route(self): + """ A list of all IPs that were involved in this request, starting with + the client IP and followed by zero or more proxies. This does only + work if all proxies support the ```X-Forwarded-For`` header. Note + that this information can be forged by malicious clients. """ + proxy = self.environ.get('HTTP_X_FORWARDED_FOR') + if proxy: return [ip.strip() for ip in proxy.split(',')] + remote = self.environ.get('REMOTE_ADDR') + return [remote] if remote else [] + + @property + def remote_addr(self): + """ The client IP as a string. Note that this information can be forged + by malicious clients. """ + route = self.remote_route + return route[0] if route else None + + def copy(self): + """ Return a new :class:`Request` with a shallow :attr:`environ` copy. """ + return Request(self.environ.copy()) + + def get(self, value, default=None): return self.environ.get(value, default) + def __getitem__(self, key): return self.environ[key] + def __delitem__(self, key): self[key] = ""; del(self.environ[key]) + def __iter__(self): return iter(self.environ) + def __len__(self): return len(self.environ) + def keys(self): return self.environ.keys() + def __setitem__(self, key, value): + """ Change an environ value and clear all caches that depend on it. """ + + if self.environ.get('bottle.request.readonly'): + raise KeyError('The environ dictionary is read-only.') + + self.environ[key] = value + todelete = () + + if key == 'wsgi.input': + todelete = ('body', 'forms', 'files', 'params', 'post', 'json') + elif key == 'QUERY_STRING': + todelete = ('query', 'params') + elif key.startswith('HTTP_'): + todelete = ('headers', 'cookies') + + for key in todelete: + self.environ.pop('bottle.request.'+key, None) + + def __repr__(self): + return '<%s: %s %s>' % (self.__class__.__name__, self.method, self.url) + + def __getattr__(self, name): + ''' Search in self.environ for additional user defined attributes. ''' + try: + var = self.environ['bottle.request.ext.%s'%name] + return var.__get__(self) if hasattr(var, '__get__') else var + except KeyError: + raise AttributeError('Attribute %r not defined.' % name) + + def __setattr__(self, name, value): + if name == 'environ': return object.__setattr__(self, name, value) + self.environ['bottle.request.ext.%s'%name] = value + + + + +def _hkey(s): + return s.title().replace('_','-') + + +class HeaderProperty(object): + def __init__(self, name, reader=None, writer=str, default=''): + self.name, self.default = name, default + self.reader, self.writer = reader, writer + self.__doc__ = 'Current value of the %r header.' % name.title() + + def __get__(self, obj, cls): + if obj is None: return self + value = obj.headers.get(self.name, self.default) + return self.reader(value) if self.reader else value + + def __set__(self, obj, value): + obj.headers[self.name] = self.writer(value) + + def __delete__(self, obj): + del obj.headers[self.name] + + +class BaseResponse(object): + """ Storage class for a response body as well as headers and cookies. + + This class does support dict-like case-insensitive item-access to + headers, but is NOT a dict. Most notably, iterating over a response + yields parts of the body and not the headers. + + :param body: The response body as one of the supported types. + :param status: Either an HTTP status code (e.g. 200) or a status line + including the reason phrase (e.g. '200 OK'). + :param headers: A dictionary or a list of name-value pairs. + + Additional keyword arguments are added to the list of headers. + Underscores in the header name are replaced with dashes. + """ + + default_status = 200 + default_content_type = 'text/html; charset=UTF-8' + + # Header blacklist for specific response codes + # (rfc2616 section 10.2.3 and 10.3.5) + bad_headers = { + 204: set(('Content-Type',)), + 304: set(('Allow', 'Content-Encoding', 'Content-Language', + 'Content-Length', 'Content-Range', 'Content-Type', + 'Content-Md5', 'Last-Modified'))} + + def __init__(self, body='', status=None, headers=None, **more_headers): + self._cookies = None + self._headers = {} + self.body = body + self.status = status or self.default_status + if headers: + if isinstance(headers, dict): + headers = headers.items() + for name, value in headers: + self.add_header(name, value) + if more_headers: + for name, value in more_headers.items(): + self.add_header(name, value) + + def copy(self, cls=None): + ''' Returns a copy of self. ''' + cls = cls or BaseResponse + assert issubclass(cls, BaseResponse) + copy = cls() + copy.status = self.status + copy._headers = dict((k, v[:]) for (k, v) in self._headers.items()) + if self._cookies: + copy._cookies = SimpleCookie() + copy._cookies.load(self._cookies.output()) + return copy + + def __iter__(self): + return iter(self.body) + + def close(self): + if hasattr(self.body, 'close'): + self.body.close() + + @property + def status_line(self): + ''' The HTTP status line as a string (e.g. ``404 Not Found``).''' + return self._status_line + + @property + def status_code(self): + ''' The HTTP status code as an integer (e.g. 404).''' + return self._status_code + + def _set_status(self, status): + if isinstance(status, int): + code, status = status, _HTTP_STATUS_LINES.get(status) + elif ' ' in status: + status = status.strip() + code = int(status.split()[0]) + else: + raise ValueError('String status line without a reason phrase.') + if not 100 <= code <= 999: raise ValueError('Status code out of range.') + self._status_code = code + self._status_line = str(status or ('%d Unknown' % code)) + + def _get_status(self): + return self._status_line + + status = property(_get_status, _set_status, None, + ''' A writeable property to change the HTTP response status. It accepts + either a numeric code (100-999) or a string with a custom reason + phrase (e.g. "404 Brain not found"). Both :data:`status_line` and + :data:`status_code` are updated accordingly. The return value is + always a status string. ''') + del _get_status, _set_status + + @property + def headers(self): + ''' An instance of :class:`HeaderDict`, a case-insensitive dict-like + view on the response headers. ''' + hdict = HeaderDict() + hdict.dict = self._headers + return hdict + + def __contains__(self, name): return _hkey(name) in self._headers + def __delitem__(self, name): del self._headers[_hkey(name)] + def __getitem__(self, name): return self._headers[_hkey(name)][-1] + def __setitem__(self, name, value): self._headers[_hkey(name)] = [str(value)] + + def get_header(self, name, default=None): + ''' Return the value of a previously defined header. If there is no + header with that name, return a default value. ''' + return self._headers.get(_hkey(name), [default])[-1] + + def set_header(self, name, value): + ''' Create a new response header, replacing any previously defined + headers with the same name. ''' + self._headers[_hkey(name)] = [str(value)] + + def add_header(self, name, value): + ''' Add an additional response header, not removing duplicates. ''' + self._headers.setdefault(_hkey(name), []).append(str(value)) + + def iter_headers(self): + ''' Yield (header, value) tuples, skipping headers that are not + allowed with the current response status code. ''' + return self.headerlist + + @property + def headerlist(self): + ''' WSGI conform list of (header, value) tuples. ''' + out = [] + headers = list(self._headers.items()) + if 'Content-Type' not in self._headers: + headers.append(('Content-Type', [self.default_content_type])) + if self._status_code in self.bad_headers: + bad_headers = self.bad_headers[self._status_code] + headers = [h for h in headers if h[0] not in bad_headers] + out += [(name, val) for name, vals in headers for val in vals] + if self._cookies: + for c in self._cookies.values(): + out.append(('Set-Cookie', c.OutputString())) + return out + + content_type = HeaderProperty('Content-Type') + content_length = HeaderProperty('Content-Length', reader=int) + expires = HeaderProperty('Expires', + reader=lambda x: datetime.utcfromtimestamp(parse_date(x)), + writer=lambda x: http_date(x)) + + @property + def charset(self, default='UTF-8'): + """ Return the charset specified in the content-type header (default: utf8). """ + if 'charset=' in self.content_type: + return self.content_type.split('charset=')[-1].split(';')[0].strip() + return default + + def set_cookie(self, name, value, secret=None, **options): + ''' Create a new cookie or replace an old one. If the `secret` parameter is + set, create a `Signed Cookie` (described below). + + :param name: the name of the cookie. + :param value: the value of the cookie. + :param secret: a signature key required for signed cookies. + + Additionally, this method accepts all RFC 2109 attributes that are + supported by :class:`cookie.Morsel`, including: + + :param max_age: maximum age in seconds. (default: None) + :param expires: a datetime object or UNIX timestamp. (default: None) + :param domain: the domain that is allowed to read the cookie. + (default: current domain) + :param path: limits the cookie to a given path (default: current path) + :param secure: limit the cookie to HTTPS connections (default: off). + :param httponly: prevents client-side javascript to read this cookie + (default: off, requires Python 2.6 or newer). + + If neither `expires` nor `max_age` is set (default), the cookie will + expire at the end of the browser session (as soon as the browser + window is closed). + + Signed cookies may store any pickle-able object and are + cryptographically signed to prevent manipulation. Keep in mind that + cookies are limited to 4kb in most browsers. + + Warning: Signed cookies are not encrypted (the client can still see + the content) and not copy-protected (the client can restore an old + cookie). The main intention is to make pickling and unpickling + save, not to store secret information at client side. + ''' + if not self._cookies: + self._cookies = SimpleCookie() + + if secret: + value = touni(cookie_encode((name, value), secret)) + elif not isinstance(value, basestring): + raise TypeError('Secret key missing for non-string Cookie.') + + if len(value) > 4096: raise ValueError('Cookie value to long.') + self._cookies[name] = value + + for key, value in options.items(): + if key == 'max_age': + if isinstance(value, timedelta): + value = value.seconds + value.days * 24 * 3600 + if key == 'expires': + if isinstance(value, (datedate, datetime)): + value = value.timetuple() + elif isinstance(value, (int, float)): + value = time.gmtime(value) + value = time.strftime("%a, %d %b %Y %H:%M:%S GMT", value) + self._cookies[name][key.replace('_', '-')] = value + + def delete_cookie(self, key, **kwargs): + ''' Delete a cookie. Be sure to use the same `domain` and `path` + settings as used to create the cookie. ''' + kwargs['max_age'] = -1 + kwargs['expires'] = 0 + self.set_cookie(key, '', **kwargs) + + def __repr__(self): + out = '' + for name, value in self.headerlist: + out += '%s: %s\n' % (name.title(), value.strip()) + return out + + +def local_property(name=None): + if name: depr('local_property() is deprecated and will be removed.') #0.12 + ls = threading.local() + def fget(self): + try: return ls.var + except AttributeError: + raise RuntimeError("Request context not initialized.") + def fset(self, value): ls.var = value + def fdel(self): del ls.var + return property(fget, fset, fdel, 'Thread-local property') + + +class LocalRequest(BaseRequest): + ''' A thread-local subclass of :class:`BaseRequest` with a different + set of attributes for each thread. There is usually only one global + instance of this class (:data:`request`). If accessed during a + request/response cycle, this instance always refers to the *current* + request (even on a multithreaded server). ''' + bind = BaseRequest.__init__ + environ = local_property() + + +class LocalResponse(BaseResponse): + ''' A thread-local subclass of :class:`BaseResponse` with a different + set of attributes for each thread. There is usually only one global + instance of this class (:data:`response`). Its attributes are used + to build the HTTP response at the end of the request/response cycle. + ''' + bind = BaseResponse.__init__ + _status_line = local_property() + _status_code = local_property() + _cookies = local_property() + _headers = local_property() + body = local_property() + + +Request = BaseRequest +Response = BaseResponse + + +class HTTPResponse(Response, BottleException): + def __init__(self, body='', status=None, headers=None, **more_headers): + super(HTTPResponse, self).__init__(body, status, headers, **more_headers) + + def apply(self, response): + response._status_code = self._status_code + response._status_line = self._status_line + response._headers = self._headers + response._cookies = self._cookies + response.body = self.body + + +class HTTPError(HTTPResponse): + default_status = 500 + def __init__(self, status=None, body=None, exception=None, traceback=None, + **options): + self.exception = exception + self.traceback = traceback + super(HTTPError, self).__init__(body, status, **options) + + + + + +############################################################################### +# Plugins ###################################################################### +############################################################################### + +class PluginError(BottleException): pass + + +class JSONPlugin(object): + name = 'json' + api = 2 + + def __init__(self, json_dumps=json_dumps): + self.json_dumps = json_dumps + + def apply(self, callback, route): + dumps = self.json_dumps + if not dumps: return callback + def wrapper(*a, **ka): + try: + rv = callback(*a, **ka) + except HTTPError: + rv = _e() + + if isinstance(rv, dict): + #Attempt to serialize, raises exception on failure + json_response = dumps(rv) + #Set content type only if serialization succesful + response.content_type = 'application/json' + return json_response + elif isinstance(rv, HTTPResponse) and isinstance(rv.body, dict): + rv.body = dumps(rv.body) + rv.content_type = 'application/json' + return rv + + return wrapper + + +class TemplatePlugin(object): + ''' This plugin applies the :func:`view` decorator to all routes with a + `template` config parameter. If the parameter is a tuple, the second + element must be a dict with additional options (e.g. `template_engine`) + or default variables for the template. ''' + name = 'template' + api = 2 + + def apply(self, callback, route): + conf = route.config.get('template') + if isinstance(conf, (tuple, list)) and len(conf) == 2: + return view(conf[0], **conf[1])(callback) + elif isinstance(conf, str): + return view(conf)(callback) + else: + return callback + + +#: Not a plugin, but part of the plugin API. TODO: Find a better place. +class _ImportRedirect(object): + def __init__(self, name, impmask): + ''' Create a virtual package that redirects imports (see PEP 302). ''' + self.name = name + self.impmask = impmask + self.module = sys.modules.setdefault(name, imp.new_module(name)) + self.module.__dict__.update({'__file__': __file__, '__path__': [], + '__all__': [], '__loader__': self}) + sys.meta_path.append(self) + + def find_module(self, fullname, path=None): + if '.' not in fullname: return + packname = fullname.rsplit('.', 1)[0] + if packname != self.name: return + return self + + def load_module(self, fullname): + if fullname in sys.modules: return sys.modules[fullname] + modname = fullname.rsplit('.', 1)[1] + realname = self.impmask % modname + __import__(realname) + module = sys.modules[fullname] = sys.modules[realname] + setattr(self.module, modname, module) + module.__loader__ = self + return module + + + + + + +############################################################################### +# Common Utilities ############################################################# +############################################################################### + + +class MultiDict(DictMixin): + """ This dict stores multiple values per key, but behaves exactly like a + normal dict in that it returns only the newest value for any given key. + There are special methods available to access the full list of values. + """ + + def __init__(self, *a, **k): + self.dict = dict((k, [v]) for (k, v) in dict(*a, **k).items()) + + def __len__(self): return len(self.dict) + def __iter__(self): return iter(self.dict) + def __contains__(self, key): return key in self.dict + def __delitem__(self, key): del self.dict[key] + def __getitem__(self, key): return self.dict[key][-1] + def __setitem__(self, key, value): self.append(key, value) + def keys(self): return self.dict.keys() + + if py3k: + def values(self): return (v[-1] for v in self.dict.values()) + def items(self): return ((k, v[-1]) for k, v in self.dict.items()) + def allitems(self): + return ((k, v) for k, vl in self.dict.items() for v in vl) + iterkeys = keys + itervalues = values + iteritems = items + iterallitems = allitems + + else: + def values(self): return [v[-1] for v in self.dict.values()] + def items(self): return [(k, v[-1]) for k, v in self.dict.items()] + def iterkeys(self): return self.dict.iterkeys() + def itervalues(self): return (v[-1] for v in self.dict.itervalues()) + def iteritems(self): + return ((k, v[-1]) for k, v in self.dict.iteritems()) + def iterallitems(self): + return ((k, v) for k, vl in self.dict.iteritems() for v in vl) + def allitems(self): + return [(k, v) for k, vl in self.dict.iteritems() for v in vl] + + def get(self, key, default=None, index=-1, type=None): + ''' Return the most recent value for a key. + + :param default: The default value to be returned if the key is not + present or the type conversion fails. + :param index: An index for the list of available values. + :param type: If defined, this callable is used to cast the value + into a specific type. Exception are suppressed and result in + the default value to be returned. + ''' + try: + val = self.dict[key][index] + return type(val) if type else val + except Exception: + pass + return default + + def append(self, key, value): + ''' Add a new value to the list of values for this key. ''' + self.dict.setdefault(key, []).append(value) + + def replace(self, key, value): + ''' Replace the list of values with a single value. ''' + self.dict[key] = [value] + + def getall(self, key): + ''' Return a (possibly empty) list of values for a key. ''' + return self.dict.get(key) or [] + + #: Aliases for WTForms to mimic other multi-dict APIs (Django) + getone = get + getlist = getall + + +class FormsDict(MultiDict): + ''' This :class:`MultiDict` subclass is used to store request form data. + Additionally to the normal dict-like item access methods (which return + unmodified data as native strings), this container also supports + attribute-like access to its values. Attributes are automatically de- + or recoded to match :attr:`input_encoding` (default: 'utf8'). Missing + attributes default to an empty string. ''' + + #: Encoding used for attribute values. + input_encoding = 'utf8' + #: If true (default), unicode strings are first encoded with `latin1` + #: and then decoded to match :attr:`input_encoding`. + recode_unicode = True + + def _fix(self, s, encoding=None): + if isinstance(s, unicode) and self.recode_unicode: # Python 3 WSGI + return s.encode('latin1').decode(encoding or self.input_encoding) + elif isinstance(s, bytes): # Python 2 WSGI + return s.decode(encoding or self.input_encoding) + else: + return s + + def decode(self, encoding=None): + ''' Returns a copy with all keys and values de- or recoded to match + :attr:`input_encoding`. Some libraries (e.g. WTForms) want a + unicode dictionary. ''' + copy = FormsDict() + enc = copy.input_encoding = encoding or self.input_encoding + copy.recode_unicode = False + for key, value in self.allitems(): + copy.append(self._fix(key, enc), self._fix(value, enc)) + return copy + + def getunicode(self, name, default=None, encoding=None): + ''' Return the value as a unicode string, or the default. ''' + try: + return self._fix(self[name], encoding) + except (UnicodeError, KeyError): + return default + + def __getattr__(self, name, default=unicode()): + # Without this guard, pickle generates a cryptic TypeError: + if name.startswith('__') and name.endswith('__'): + return super(FormsDict, self).__getattr__(name) + return self.getunicode(name, default=default) + + +class HeaderDict(MultiDict): + """ A case-insensitive version of :class:`MultiDict` that defaults to + replace the old value instead of appending it. """ + + def __init__(self, *a, **ka): + self.dict = {} + if a or ka: self.update(*a, **ka) + + def __contains__(self, key): return _hkey(key) in self.dict + def __delitem__(self, key): del self.dict[_hkey(key)] + def __getitem__(self, key): return self.dict[_hkey(key)][-1] + def __setitem__(self, key, value): self.dict[_hkey(key)] = [str(value)] + def append(self, key, value): + self.dict.setdefault(_hkey(key), []).append(str(value)) + def replace(self, key, value): self.dict[_hkey(key)] = [str(value)] + def getall(self, key): return self.dict.get(_hkey(key)) or [] + def get(self, key, default=None, index=-1): + return MultiDict.get(self, _hkey(key), default, index) + def filter(self, names): + for name in [_hkey(n) for n in names]: + if name in self.dict: + del self.dict[name] + + +class WSGIHeaderDict(DictMixin): + ''' This dict-like class wraps a WSGI environ dict and provides convenient + access to HTTP_* fields. Keys and values are native strings + (2.x bytes or 3.x unicode) and keys are case-insensitive. If the WSGI + environment contains non-native string values, these are de- or encoded + using a lossless 'latin1' character set. + + The API will remain stable even on changes to the relevant PEPs. + Currently PEP 333, 444 and 3333 are supported. (PEP 444 is the only one + that uses non-native strings.) + ''' + #: List of keys that do not have a ``HTTP_`` prefix. + cgikeys = ('CONTENT_TYPE', 'CONTENT_LENGTH') + + def __init__(self, environ): + self.environ = environ + + def _ekey(self, key): + ''' Translate header field name to CGI/WSGI environ key. ''' + key = key.replace('-','_').upper() + if key in self.cgikeys: + return key + return 'HTTP_' + key + + def raw(self, key, default=None): + ''' Return the header value as is (may be bytes or unicode). ''' + return self.environ.get(self._ekey(key), default) + + def __getitem__(self, key): + return tonat(self.environ[self._ekey(key)], 'latin1') + + def __setitem__(self, key, value): + raise TypeError("%s is read-only." % self.__class__) + + def __delitem__(self, key): + raise TypeError("%s is read-only." % self.__class__) + + def __iter__(self): + for key in self.environ: + if key[:5] == 'HTTP_': + yield key[5:].replace('_', '-').title() + elif key in self.cgikeys: + yield key.replace('_', '-').title() + + def keys(self): return [x for x in self] + def __len__(self): return len(self.keys()) + def __contains__(self, key): return self._ekey(key) in self.environ + + + +class ConfigDict(dict): + ''' A dict-like configuration storage with additional support for + namespaces, validators, meta-data, on_change listeners and more. + + This storage is optimized for fast read access. Retrieving a key + or using non-altering dict methods (e.g. `dict.get()`) has no overhead + compared to a native dict. + ''' + __slots__ = ('_meta', '_on_change') + + class Namespace(DictMixin): + + def __init__(self, config, namespace): + self._config = config + self._prefix = namespace + + def __getitem__(self, key): + depr('Accessing namespaces as dicts is discouraged. ' + 'Only use flat item access: ' + 'cfg["names"]["pace"]["key"] -> cfg["name.space.key"]') #0.12 + return self._config[self._prefix + '.' + key] + + def __setitem__(self, key, value): + self._config[self._prefix + '.' + key] = value + + def __delitem__(self, key): + del self._config[self._prefix + '.' + key] + + def __iter__(self): + ns_prefix = self._prefix + '.' + for key in self._config: + ns, dot, name = key.rpartition('.') + if ns == self._prefix and name: + yield name + + def keys(self): return [x for x in self] + def __len__(self): return len(self.keys()) + def __contains__(self, key): return self._prefix + '.' + key in self._config + def __repr__(self): return '<Config.Namespace %s.*>' % self._prefix + def __str__(self): return '<Config.Namespace %s.*>' % self._prefix + + # Deprecated ConfigDict features + def __getattr__(self, key): + depr('Attribute access is deprecated.') #0.12 + if key not in self and key[0].isupper(): + self[key] = ConfigDict.Namespace(self._config, self._prefix + '.' + key) + if key not in self and key.startswith('__'): + raise AttributeError(key) + return self.get(key) + + def __setattr__(self, key, value): + if key in ('_config', '_prefix'): + self.__dict__[key] = value + return + depr('Attribute assignment is deprecated.') #0.12 + if hasattr(DictMixin, key): + raise AttributeError('Read-only attribute.') + if key in self and self[key] and isinstance(self[key], self.__class__): + raise AttributeError('Non-empty namespace attribute.') + self[key] = value + + def __delattr__(self, key): + if key in self: + val = self.pop(key) + if isinstance(val, self.__class__): + prefix = key + '.' + for key in self: + if key.startswith(prefix): + del self[prefix+key] + + def __call__(self, *a, **ka): + depr('Calling ConfDict is deprecated. Use the update() method.') #0.12 + self.update(*a, **ka) + return self + + def __init__(self, *a, **ka): + self._meta = {} + self._on_change = lambda name, value: None + if a or ka: + depr('Constructor does no longer accept parameters.') #0.12 + self.update(*a, **ka) + + def load_config(self, filename): + ''' Load values from an *.ini style config file. + + If the config file contains sections, their names are used as + namespaces for the values within. The two special sections + ``DEFAULT`` and ``bottle`` refer to the root namespace (no prefix). + ''' + conf = ConfigParser() + conf.read(filename) + for section in conf.sections(): + for key, value in conf.items(section): + if section not in ('DEFAULT', 'bottle'): + key = section + '.' + key + self[key] = value + return self + + def load_dict(self, source, namespace='', make_namespaces=False): + ''' Import values from a dictionary structure. Nesting can be used to + represent namespaces. + + >>> ConfigDict().load_dict({'name': {'space': {'key': 'value'}}}) + {'name.space.key': 'value'} + ''' + stack = [(namespace, source)] + while stack: + prefix, source = stack.pop() + if not isinstance(source, dict): + raise TypeError('Source is not a dict (r)' % type(key)) + for key, value in source.items(): + if not isinstance(key, str): + raise TypeError('Key is not a string (%r)' % type(key)) + full_key = prefix + '.' + key if prefix else key + if isinstance(value, dict): + stack.append((full_key, value)) + if make_namespaces: + self[full_key] = self.Namespace(self, full_key) + else: + self[full_key] = value + return self + + def update(self, *a, **ka): + ''' If the first parameter is a string, all keys are prefixed with this + namespace. Apart from that it works just as the usual dict.update(). + Example: ``update('some.namespace', key='value')`` ''' + prefix = '' + if a and isinstance(a[0], str): + prefix = a[0].strip('.') + '.' + a = a[1:] + for key, value in dict(*a, **ka).items(): + self[prefix+key] = value + + def setdefault(self, key, value): + if key not in self: + self[key] = value + return self[key] + + def __setitem__(self, key, value): + if not isinstance(key, str): + raise TypeError('Key has type %r (not a string)' % type(key)) + + value = self.meta_get(key, 'filter', lambda x: x)(value) + if key in self and self[key] is value: + return + self._on_change(key, value) + dict.__setitem__(self, key, value) + + def __delitem__(self, key): + dict.__delitem__(self, key) + + def clear(self): + for key in self: + del self[key] + + def meta_get(self, key, metafield, default=None): + ''' Return the value of a meta field for a key. ''' + return self._meta.get(key, {}).get(metafield, default) + + def meta_set(self, key, metafield, value): + ''' Set the meta field for a key to a new value. This triggers the + on-change handler for existing keys. ''' + self._meta.setdefault(key, {})[metafield] = value + if key in self: + self[key] = self[key] + + def meta_list(self, key): + ''' Return an iterable of meta field names defined for a key. ''' + return self._meta.get(key, {}).keys() + + # Deprecated ConfigDict features + def __getattr__(self, key): + depr('Attribute access is deprecated.') #0.12 + if key not in self and key[0].isupper(): + self[key] = self.Namespace(self, key) + if key not in self and key.startswith('__'): + raise AttributeError(key) + return self.get(key) + + def __setattr__(self, key, value): + if key in self.__slots__: + return dict.__setattr__(self, key, value) + depr('Attribute assignment is deprecated.') #0.12 + if hasattr(dict, key): + raise AttributeError('Read-only attribute.') + if key in self and self[key] and isinstance(self[key], self.Namespace): + raise AttributeError('Non-empty namespace attribute.') + self[key] = value + + def __delattr__(self, key): + if key in self: + val = self.pop(key) + if isinstance(val, self.Namespace): + prefix = key + '.' + for key in self: + if key.startswith(prefix): + del self[prefix+key] + + def __call__(self, *a, **ka): + depr('Calling ConfDict is deprecated. Use the update() method.') #0.12 + self.update(*a, **ka) + return self + + + +class AppStack(list): + """ A stack-like list. Calling it returns the head of the stack. """ + + def __call__(self): + """ Return the current default application. """ + return self[-1] + + def push(self, value=None): + """ Add a new :class:`Bottle` instance to the stack """ + if not isinstance(value, Bottle): + value = Bottle() + self.append(value) + return value + + +class WSGIFileWrapper(object): + + def __init__(self, fp, buffer_size=1024*64): + self.fp, self.buffer_size = fp, buffer_size + for attr in ('fileno', 'close', 'read', 'readlines', 'tell', 'seek'): + if hasattr(fp, attr): setattr(self, attr, getattr(fp, attr)) + + def __iter__(self): + buff, read = self.buffer_size, self.read + while True: + part = read(buff) + if not part: return + yield part + + +class _closeiter(object): + ''' This only exists to be able to attach a .close method to iterators that + do not support attribute assignment (most of itertools). ''' + + def __init__(self, iterator, close=None): + self.iterator = iterator + self.close_callbacks = makelist(close) + + def __iter__(self): + return iter(self.iterator) + + def close(self): + for func in self.close_callbacks: + func() + + +class ResourceManager(object): + ''' This class manages a list of search paths and helps to find and open + application-bound resources (files). + + :param base: default value for :meth:`add_path` calls. + :param opener: callable used to open resources. + :param cachemode: controls which lookups are cached. One of 'all', + 'found' or 'none'. + ''' + + def __init__(self, base='./', opener=open, cachemode='all'): + self.opener = open + self.base = base + self.cachemode = cachemode + + #: A list of search paths. See :meth:`add_path` for details. + self.path = [] + #: A cache for resolved paths. ``res.cache.clear()`` clears the cache. + self.cache = {} + + def add_path(self, path, base=None, index=None, create=False): + ''' Add a new path to the list of search paths. Return False if the + path does not exist. + + :param path: The new search path. Relative paths are turned into + an absolute and normalized form. If the path looks like a file + (not ending in `/`), the filename is stripped off. + :param base: Path used to absolutize relative search paths. + Defaults to :attr:`base` which defaults to ``os.getcwd()``. + :param index: Position within the list of search paths. Defaults + to last index (appends to the list). + + The `base` parameter makes it easy to reference files installed + along with a python module or package:: + + res.add_path('./resources/', __file__) + ''' + base = os.path.abspath(os.path.dirname(base or self.base)) + path = os.path.abspath(os.path.join(base, os.path.dirname(path))) + path += os.sep + if path in self.path: + self.path.remove(path) + if create and not os.path.isdir(path): + os.makedirs(path) + if index is None: + self.path.append(path) + else: + self.path.insert(index, path) + self.cache.clear() + return os.path.exists(path) + + def __iter__(self): + ''' Iterate over all existing files in all registered paths. ''' + search = self.path[:] + while search: + path = search.pop() + if not os.path.isdir(path): continue + for name in os.listdir(path): + full = os.path.join(path, name) + if os.path.isdir(full): search.append(full) + else: yield full + + def lookup(self, name): + ''' Search for a resource and return an absolute file path, or `None`. + + The :attr:`path` list is searched in order. The first match is + returend. Symlinks are followed. The result is cached to speed up + future lookups. ''' + if name not in self.cache or DEBUG: + for path in self.path: + fpath = os.path.join(path, name) + if os.path.isfile(fpath): + if self.cachemode in ('all', 'found'): + self.cache[name] = fpath + return fpath + if self.cachemode == 'all': + self.cache[name] = None + return self.cache[name] + + def open(self, name, mode='r', *args, **kwargs): + ''' Find a resource and return a file object, or raise IOError. ''' + fname = self.lookup(name) + if not fname: raise IOError("Resource %r not found." % name) + return self.opener(fname, mode=mode, *args, **kwargs) + + +class FileUpload(object): + + def __init__(self, fileobj, name, filename, headers=None): + ''' Wrapper for file uploads. ''' + #: Open file(-like) object (BytesIO buffer or temporary file) + self.file = fileobj + #: Name of the upload form field + self.name = name + #: Raw filename as sent by the client (may contain unsafe characters) + self.raw_filename = filename + #: A :class:`HeaderDict` with additional headers (e.g. content-type) + self.headers = HeaderDict(headers) if headers else HeaderDict() + + content_type = HeaderProperty('Content-Type') + content_length = HeaderProperty('Content-Length', reader=int, default=-1) + + @cached_property + def filename(self): + ''' Name of the file on the client file system, but normalized to ensure + file system compatibility. An empty filename is returned as 'empty'. + + Only ASCII letters, digits, dashes, underscores and dots are + allowed in the final filename. Accents are removed, if possible. + Whitespace is replaced by a single dash. Leading or tailing dots + or dashes are removed. The filename is limited to 255 characters. + ''' + fname = self.raw_filename + if not isinstance(fname, unicode): + fname = fname.decode('utf8', 'ignore') + fname = normalize('NFKD', fname).encode('ASCII', 'ignore').decode('ASCII') + fname = os.path.basename(fname.replace('\\', os.path.sep)) + fname = re.sub(r'[^a-zA-Z0-9-_.\s]', '', fname).strip() + fname = re.sub(r'[-\s]+', '-', fname).strip('.-') + return fname[:255] or 'empty' + + def _copy_file(self, fp, chunk_size=2**16): + read, write, offset = self.file.read, fp.write, self.file.tell() + while 1: + buf = read(chunk_size) + if not buf: break + write(buf) + self.file.seek(offset) + + def save(self, destination, overwrite=False, chunk_size=2**16): + ''' Save file to disk or copy its content to an open file(-like) object. + If *destination* is a directory, :attr:`filename` is added to the + path. Existing files are not overwritten by default (IOError). + + :param destination: File path, directory or file(-like) object. + :param overwrite: If True, replace existing files. (default: False) + :param chunk_size: Bytes to read at a time. (default: 64kb) + ''' + if isinstance(destination, basestring): # Except file-likes here + if os.path.isdir(destination): + destination = os.path.join(destination, self.filename) + if not overwrite and os.path.exists(destination): + raise IOError('File exists.') + with open(destination, 'wb') as fp: + self._copy_file(fp, chunk_size) + else: + self._copy_file(destination, chunk_size) + + + + + + +############################################################################### +# Application Helper ########################################################### +############################################################################### + + +def abort(code=500, text='Unknown Error.'): + """ Aborts execution and causes a HTTP error. """ + raise HTTPError(code, text) + + +def redirect(url, code=None): + """ Aborts execution and causes a 303 or 302 redirect, depending on + the HTTP protocol version. """ + if not code: + code = 303 if request.get('SERVER_PROTOCOL') == "HTTP/1.1" else 302 + res = response.copy(cls=HTTPResponse) + res.status = code + res.body = "" + res.set_header('Location', urljoin(request.url, url)) + raise res + + +def _file_iter_range(fp, offset, bytes, maxread=1024*1024): + ''' Yield chunks from a range in a file. No chunk is bigger than maxread.''' + fp.seek(offset) + while bytes > 0: + part = fp.read(min(bytes, maxread)) + if not part: break + bytes -= len(part) + yield part + + +def static_file(filename, root, mimetype='auto', download=False, charset='UTF-8'): + """ Open a file in a safe way and return :exc:`HTTPResponse` with status + code 200, 305, 403 or 404. The ``Content-Type``, ``Content-Encoding``, + ``Content-Length`` and ``Last-Modified`` headers are set if possible. + Special support for ``If-Modified-Since``, ``Range`` and ``HEAD`` + requests. + + :param filename: Name or path of the file to send. + :param root: Root path for file lookups. Should be an absolute directory + path. + :param mimetype: Defines the content-type header (default: guess from + file extension) + :param download: If True, ask the browser to open a `Save as...` dialog + instead of opening the file with the associated program. You can + specify a custom filename as a string. If not specified, the + original filename is used (default: False). + :param charset: The charset to use for files with a ``text/*`` + mime-type. (default: UTF-8) + """ + + root = os.path.abspath(root) + os.sep + filename = os.path.abspath(os.path.join(root, filename.strip('/\\'))) + headers = dict() + + if not filename.startswith(root): + return HTTPError(403, "Access denied.") + if not os.path.exists(filename) or not os.path.isfile(filename): + return HTTPError(404, "File does not exist.") + if not os.access(filename, os.R_OK): + return HTTPError(403, "You do not have permission to access this file.") + + if mimetype == 'auto': + mimetype, encoding = mimetypes.guess_type(filename) + if encoding: headers['Content-Encoding'] = encoding + + if mimetype: + if mimetype[:5] == 'text/' and charset and 'charset' not in mimetype: + mimetype += '; charset=%s' % charset + headers['Content-Type'] = mimetype + + if download: + download = os.path.basename(filename if download == True else download) + headers['Content-Disposition'] = 'attachment; filename="%s"' % download + + stats = os.stat(filename) + headers['Content-Length'] = clen = stats.st_size + lm = time.strftime("%a, %d %b %Y %H:%M:%S GMT", time.gmtime(stats.st_mtime)) + headers['Last-Modified'] = lm + + ims = request.environ.get('HTTP_IF_MODIFIED_SINCE') + if ims: + ims = parse_date(ims.split(";")[0].strip()) + if ims is not None and ims >= int(stats.st_mtime): + headers['Date'] = time.strftime("%a, %d %b %Y %H:%M:%S GMT", time.gmtime()) + return HTTPResponse(status=304, **headers) + + body = '' if request.method == 'HEAD' else open(filename, 'rb') + + headers["Accept-Ranges"] = "bytes" + ranges = request.environ.get('HTTP_RANGE') + if 'HTTP_RANGE' in request.environ: + ranges = list(parse_range_header(request.environ['HTTP_RANGE'], clen)) + if not ranges: + return HTTPError(416, "Requested Range Not Satisfiable") + offset, end = ranges[0] + headers["Content-Range"] = "bytes %d-%d/%d" % (offset, end-1, clen) + headers["Content-Length"] = str(end-offset) + if body: body = _file_iter_range(body, offset, end-offset) + return HTTPResponse(body, status=206, **headers) + return HTTPResponse(body, **headers) + + + + + + +############################################################################### +# HTTP Utilities and MISC (TODO) ############################################### +############################################################################### + + +def debug(mode=True): + """ Change the debug level. + There is only one debug level supported at the moment.""" + global DEBUG + if mode: warnings.simplefilter('default') + DEBUG = bool(mode) + +def http_date(value): + if isinstance(value, (datedate, datetime)): + value = value.utctimetuple() + elif isinstance(value, (int, float)): + value = time.gmtime(value) + if not isinstance(value, basestring): + value = time.strftime("%a, %d %b %Y %H:%M:%S GMT", value) + return value + +def parse_date(ims): + """ Parse rfc1123, rfc850 and asctime timestamps and return UTC epoch. """ + try: + ts = email.utils.parsedate_tz(ims) + return time.mktime(ts[:8] + (0,)) - (ts[9] or 0) - time.timezone + except (TypeError, ValueError, IndexError, OverflowError): + return None + +def parse_auth(header): + """ Parse rfc2617 HTTP authentication header string (basic) and return (user,pass) tuple or None""" + try: + method, data = header.split(None, 1) + if method.lower() == 'basic': + user, pwd = touni(base64.b64decode(tob(data))).split(':',1) + return user, pwd + except (KeyError, ValueError): + return None + +def parse_range_header(header, maxlen=0): + ''' Yield (start, end) ranges parsed from a HTTP Range header. Skip + unsatisfiable ranges. The end index is non-inclusive.''' + if not header or header[:6] != 'bytes=': return + ranges = [r.split('-', 1) for r in header[6:].split(',') if '-' in r] + for start, end in ranges: + try: + if not start: # bytes=-100 -> last 100 bytes + start, end = max(0, maxlen-int(end)), maxlen + elif not end: # bytes=100- -> all but the first 99 bytes + start, end = int(start), maxlen + else: # bytes=100-200 -> bytes 100-200 (inclusive) + start, end = int(start), min(int(end)+1, maxlen) + if 0 <= start < end <= maxlen: + yield start, end + except ValueError: + pass + +def _parse_qsl(qs): + r = [] + for pair in qs.replace(';','&').split('&'): + if not pair: continue + nv = pair.split('=', 1) + if len(nv) != 2: nv.append('') + key = urlunquote(nv[0].replace('+', ' ')) + value = urlunquote(nv[1].replace('+', ' ')) + r.append((key, value)) + return r + +def _lscmp(a, b): + ''' Compares two strings in a cryptographically safe way: + Runtime is not affected by length of common prefix. ''' + return not sum(0 if x==y else 1 for x, y in zip(a, b)) and len(a) == len(b) + + +def cookie_encode(data, key): + ''' Encode and sign a pickle-able object. Return a (byte) string ''' + msg = base64.b64encode(pickle.dumps(data, -1)) + sig = base64.b64encode(hmac.new(tob(key), msg).digest()) + return tob('!') + sig + tob('?') + msg + + +def cookie_decode(data, key): + ''' Verify and decode an encoded string. Return an object or None.''' + data = tob(data) + if cookie_is_encoded(data): + sig, msg = data.split(tob('?'), 1) + if _lscmp(sig[1:], base64.b64encode(hmac.new(tob(key), msg).digest())): + return pickle.loads(base64.b64decode(msg)) + return None + + +def cookie_is_encoded(data): + ''' Return True if the argument looks like a encoded cookie.''' + return bool(data.startswith(tob('!')) and tob('?') in data) + + +def html_escape(string): + ''' Escape HTML special characters ``&<>`` and quotes ``'"``. ''' + return string.replace('&','&').replace('<','<').replace('>','>')\ + .replace('"','"').replace("'",''') + + +def html_quote(string): + ''' Escape and quote a string to be used as an HTTP attribute.''' + return '"%s"' % html_escape(string).replace('\n',' ')\ + .replace('\r',' ').replace('\t','	') + + +def yieldroutes(func): + """ Return a generator for routes that match the signature (name, args) + of the func parameter. This may yield more than one route if the function + takes optional keyword arguments. The output is best described by example:: + + a() -> '/a' + b(x, y) -> '/b/<x>/<y>' + c(x, y=5) -> '/c/<x>' and '/c/<x>/<y>' + d(x=5, y=6) -> '/d' and '/d/<x>' and '/d/<x>/<y>' + """ + path = '/' + func.__name__.replace('__','/').lstrip('/') + spec = getargspec(func) + argc = len(spec[0]) - len(spec[3] or []) + path += ('/<%s>' * argc) % tuple(spec[0][:argc]) + yield path + for arg in spec[0][argc:]: + path += '/<%s>' % arg + yield path + + +def path_shift(script_name, path_info, shift=1): + ''' Shift path fragments from PATH_INFO to SCRIPT_NAME and vice versa. + + :return: The modified paths. + :param script_name: The SCRIPT_NAME path. + :param script_name: The PATH_INFO path. + :param shift: The number of path fragments to shift. May be negative to + change the shift direction. (default: 1) + ''' + if shift == 0: return script_name, path_info + pathlist = path_info.strip('/').split('/') + scriptlist = script_name.strip('/').split('/') + if pathlist and pathlist[0] == '': pathlist = [] + if scriptlist and scriptlist[0] == '': scriptlist = [] + if shift > 0 and shift <= len(pathlist): + moved = pathlist[:shift] + scriptlist = scriptlist + moved + pathlist = pathlist[shift:] + elif shift < 0 and shift >= -len(scriptlist): + moved = scriptlist[shift:] + pathlist = moved + pathlist + scriptlist = scriptlist[:shift] + else: + empty = 'SCRIPT_NAME' if shift < 0 else 'PATH_INFO' + raise AssertionError("Cannot shift. Nothing left from %s" % empty) + new_script_name = '/' + '/'.join(scriptlist) + new_path_info = '/' + '/'.join(pathlist) + if path_info.endswith('/') and pathlist: new_path_info += '/' + return new_script_name, new_path_info + + +def auth_basic(check, realm="private", text="Access denied"): + ''' Callback decorator to require HTTP auth (basic). + TODO: Add route(check_auth=...) parameter. ''' + def decorator(func): + def wrapper(*a, **ka): + user, password = request.auth or (None, None) + if user is None or not check(user, password): + err = HTTPError(401, text) + err.add_header('WWW-Authenticate', 'Basic realm="%s"' % realm) + return err + return func(*a, **ka) + return wrapper + return decorator + + +# Shortcuts for common Bottle methods. +# They all refer to the current default application. + +def make_default_app_wrapper(name): + ''' Return a callable that relays calls to the current default app. ''' + @functools.wraps(getattr(Bottle, name)) + def wrapper(*a, **ka): + return getattr(app(), name)(*a, **ka) + return wrapper + +route = make_default_app_wrapper('route') +get = make_default_app_wrapper('get') +post = make_default_app_wrapper('post') +put = make_default_app_wrapper('put') +delete = make_default_app_wrapper('delete') +error = make_default_app_wrapper('error') +mount = make_default_app_wrapper('mount') +hook = make_default_app_wrapper('hook') +install = make_default_app_wrapper('install') +uninstall = make_default_app_wrapper('uninstall') +url = make_default_app_wrapper('get_url') + + + + + + + +############################################################################### +# Server Adapter ############################################################### +############################################################################### + + +class ServerAdapter(object): + quiet = False + def __init__(self, host='127.0.0.1', port=8080, **options): + self.options = options + self.host = host + self.port = int(port) + + def run(self, handler): # pragma: no cover + pass + + def __repr__(self): + args = ', '.join(['%s=%s'%(k,repr(v)) for k, v in self.options.items()]) + return "%s(%s)" % (self.__class__.__name__, args) + + +class CGIServer(ServerAdapter): + quiet = True + def run(self, handler): # pragma: no cover + from wsgiref.handlers import CGIHandler + def fixed_environ(environ, start_response): + environ.setdefault('PATH_INFO', '') + return handler(environ, start_response) + CGIHandler().run(fixed_environ) + + +class FlupFCGIServer(ServerAdapter): + def run(self, handler): # pragma: no cover + import flup.server.fcgi + self.options.setdefault('bindAddress', (self.host, self.port)) + flup.server.fcgi.WSGIServer(handler, **self.options).run() + + +class WSGIRefServer(ServerAdapter): + def run(self, app): # pragma: no cover + from wsgiref.simple_server import WSGIRequestHandler, WSGIServer + from wsgiref.simple_server import make_server + import socket + + class FixedHandler(WSGIRequestHandler): + def address_string(self): # Prevent reverse DNS lookups please. + return self.client_address[0] + def log_request(*args, **kw): + if not self.quiet: + return WSGIRequestHandler.log_request(*args, **kw) + + handler_cls = self.options.get('handler_class', FixedHandler) + server_cls = self.options.get('server_class', WSGIServer) + + if ':' in self.host: # Fix wsgiref for IPv6 addresses. + if getattr(server_cls, 'address_family') == socket.AF_INET: + class server_cls(server_cls): + address_family = socket.AF_INET6 + + srv = make_server(self.host, self.port, app, server_cls, handler_cls) + srv.serve_forever() + + +class CherryPyServer(ServerAdapter): + def run(self, handler): # pragma: no cover + from cherrypy import wsgiserver + self.options['bind_addr'] = (self.host, self.port) + self.options['wsgi_app'] = handler + + certfile = self.options.get('certfile') + if certfile: + del self.options['certfile'] + keyfile = self.options.get('keyfile') + if keyfile: + del self.options['keyfile'] + + server = wsgiserver.CherryPyWSGIServer(**self.options) + if certfile: + server.ssl_certificate = certfile + if keyfile: + server.ssl_private_key = keyfile + + try: + server.start() + finally: + server.stop() + + +class WaitressServer(ServerAdapter): + def run(self, handler): + from waitress import serve + serve(handler, host=self.host, port=self.port) + + +class PasteServer(ServerAdapter): + def run(self, handler): # pragma: no cover + from paste import httpserver + from paste.translogger import TransLogger + handler = TransLogger(handler, setup_console_handler=(not self.quiet)) + httpserver.serve(handler, host=self.host, port=str(self.port), + **self.options) + + +class MeinheldServer(ServerAdapter): + def run(self, handler): + from meinheld import server + server.listen((self.host, self.port)) + server.run(handler) + + +class FapwsServer(ServerAdapter): + """ Extremely fast webserver using libev. See http://www.fapws.org/ """ + def run(self, handler): # pragma: no cover + import fapws._evwsgi as evwsgi + from fapws import base, config + port = self.port + if float(config.SERVER_IDENT[-2:]) > 0.4: + # fapws3 silently changed its API in 0.5 + port = str(port) + evwsgi.start(self.host, port) + # fapws3 never releases the GIL. Complain upstream. I tried. No luck. + if 'BOTTLE_CHILD' in os.environ and not self.quiet: + _stderr("WARNING: Auto-reloading does not work with Fapws3.\n") + _stderr(" (Fapws3 breaks python thread support)\n") + evwsgi.set_base_module(base) + def app(environ, start_response): + environ['wsgi.multiprocess'] = False + return handler(environ, start_response) + evwsgi.wsgi_cb(('', app)) + evwsgi.run() + + +class TornadoServer(ServerAdapter): + """ The super hyped asynchronous server by facebook. Untested. """ + def run(self, handler): # pragma: no cover + import tornado.wsgi, tornado.httpserver, tornado.ioloop + container = tornado.wsgi.WSGIContainer(handler) + server = tornado.httpserver.HTTPServer(container) + server.listen(port=self.port,address=self.host) + tornado.ioloop.IOLoop.instance().start() + + +class AppEngineServer(ServerAdapter): + """ Adapter for Google App Engine. """ + quiet = True + def run(self, handler): + from google.appengine.ext.webapp import util + # A main() function in the handler script enables 'App Caching'. + # Lets makes sure it is there. This _really_ improves performance. + module = sys.modules.get('__main__') + if module and not hasattr(module, 'main'): + module.main = lambda: util.run_wsgi_app(handler) + util.run_wsgi_app(handler) + + +class TwistedServer(ServerAdapter): + """ Untested. """ + def run(self, handler): + from twisted.web import server, wsgi + from twisted.python.threadpool import ThreadPool + from twisted.internet import reactor + thread_pool = ThreadPool() + thread_pool.start() + reactor.addSystemEventTrigger('after', 'shutdown', thread_pool.stop) + factory = server.Site(wsgi.WSGIResource(reactor, thread_pool, handler)) + reactor.listenTCP(self.port, factory, interface=self.host) + reactor.run() + + +class DieselServer(ServerAdapter): + """ Untested. """ + def run(self, handler): + from diesel.protocols.wsgi import WSGIApplication + app = WSGIApplication(handler, port=self.port) + app.run() + + +class GeventServer(ServerAdapter): + """ Untested. Options: + + * `fast` (default: False) uses libevent's http server, but has some + issues: No streaming, no pipelining, no SSL. + * See gevent.wsgi.WSGIServer() documentation for more options. + """ + def run(self, handler): + from gevent import wsgi, pywsgi, local + if not isinstance(threading.local(), local.local): + msg = "Bottle requires gevent.monkey.patch_all() (before import)" + raise RuntimeError(msg) + if not self.options.pop('fast', None): wsgi = pywsgi + self.options['log'] = None if self.quiet else 'default' + address = (self.host, self.port) + server = wsgi.WSGIServer(address, handler, **self.options) + if 'BOTTLE_CHILD' in os.environ: + import signal + signal.signal(signal.SIGINT, lambda s, f: server.stop()) + server.serve_forever() + + +class GeventSocketIOServer(ServerAdapter): + def run(self,handler): + from socketio import server + address = (self.host, self.port) + server.SocketIOServer(address, handler, **self.options).serve_forever() + + +class GunicornServer(ServerAdapter): + """ Untested. See http://gunicorn.org/configure.html for options. """ + def run(self, handler): + from gunicorn.app.base import Application + + config = {'bind': "%s:%d" % (self.host, int(self.port))} + config.update(self.options) + + class GunicornApplication(Application): + def init(self, parser, opts, args): + return config + + def load(self): + return handler + + GunicornApplication().run() + + +class EventletServer(ServerAdapter): + """ Untested """ + def run(self, handler): + from eventlet import wsgi, listen + try: + wsgi.server(listen((self.host, self.port)), handler, + log_output=(not self.quiet)) + except TypeError: + # Fallback, if we have old version of eventlet + wsgi.server(listen((self.host, self.port)), handler) + + +class RocketServer(ServerAdapter): + """ Untested. """ + def run(self, handler): + from rocket import Rocket + server = Rocket((self.host, self.port), 'wsgi', { 'wsgi_app' : handler }) + server.start() + + +class BjoernServer(ServerAdapter): + """ Fast server written in C: https://github.com/jonashaag/bjoern """ + def run(self, handler): + from bjoern import run + run(handler, self.host, self.port) + + +class AutoServer(ServerAdapter): + """ Untested. """ + adapters = [WaitressServer, PasteServer, TwistedServer, CherryPyServer, WSGIRefServer] + def run(self, handler): + for sa in self.adapters: + try: + return sa(self.host, self.port, **self.options).run(handler) + except ImportError: + pass + +server_names = { + 'cgi': CGIServer, + 'flup': FlupFCGIServer, + 'wsgiref': WSGIRefServer, + 'waitress': WaitressServer, + 'cherrypy': CherryPyServer, + 'paste': PasteServer, + 'fapws3': FapwsServer, + 'tornado': TornadoServer, + 'gae': AppEngineServer, + 'twisted': TwistedServer, + 'diesel': DieselServer, + 'meinheld': MeinheldServer, + 'gunicorn': GunicornServer, + 'eventlet': EventletServer, + 'gevent': GeventServer, + 'geventSocketIO':GeventSocketIOServer, + 'rocket': RocketServer, + 'bjoern' : BjoernServer, + 'auto': AutoServer, +} + + + + + + +############################################################################### +# Application Control ########################################################## +############################################################################### + + +def load(target, **namespace): + """ Import a module or fetch an object from a module. + + * ``package.module`` returns `module` as a module object. + * ``pack.mod:name`` returns the module variable `name` from `pack.mod`. + * ``pack.mod:func()`` calls `pack.mod.func()` and returns the result. + + The last form accepts not only function calls, but any type of + expression. Keyword arguments passed to this function are available as + local variables. Example: ``import_string('re:compile(x)', x='[a-z]')`` + """ + module, target = target.split(":", 1) if ':' in target else (target, None) + if module not in sys.modules: __import__(module) + if not target: return sys.modules[module] + if target.isalnum(): return getattr(sys.modules[module], target) + package_name = module.split('.')[0] + namespace[package_name] = sys.modules[package_name] + return eval('%s.%s' % (module, target), namespace) + + +def load_app(target): + """ Load a bottle application from a module and make sure that the import + does not affect the current default application, but returns a separate + application object. See :func:`load` for the target parameter. """ + global NORUN; NORUN, nr_old = True, NORUN + try: + tmp = default_app.push() # Create a new "default application" + rv = load(target) # Import the target module + return rv if callable(rv) else tmp + finally: + default_app.remove(tmp) # Remove the temporary added default application + NORUN = nr_old + +_debug = debug +def run(app=None, server='wsgiref', host='127.0.0.1', port=8080, + interval=1, reloader=False, quiet=False, plugins=None, + debug=None, **kargs): + """ Start a server instance. This method blocks until the server terminates. + + :param app: WSGI application or target string supported by + :func:`load_app`. (default: :func:`default_app`) + :param server: Server adapter to use. See :data:`server_names` keys + for valid names or pass a :class:`ServerAdapter` subclass. + (default: `wsgiref`) + :param host: Server address to bind to. Pass ``0.0.0.0`` to listens on + all interfaces including the external one. (default: 127.0.0.1) + :param port: Server port to bind to. Values below 1024 require root + privileges. (default: 8080) + :param reloader: Start auto-reloading server? (default: False) + :param interval: Auto-reloader interval in seconds (default: 1) + :param quiet: Suppress output to stdout and stderr? (default: False) + :param options: Options passed to the server adapter. + """ + if NORUN: return + if reloader and not os.environ.get('BOTTLE_CHILD'): + try: + lockfile = None + fd, lockfile = tempfile.mkstemp(prefix='bottle.', suffix='.lock') + os.close(fd) # We only need this file to exist. We never write to it + while os.path.exists(lockfile): + args = [sys.executable] + sys.argv + environ = os.environ.copy() + environ['BOTTLE_CHILD'] = 'true' + environ['BOTTLE_LOCKFILE'] = lockfile + p = subprocess.Popen(args, env=environ) + while p.poll() is None: # Busy wait... + os.utime(lockfile, None) # I am alive! + time.sleep(interval) + if p.poll() != 3: + if os.path.exists(lockfile): os.unlink(lockfile) + sys.exit(p.poll()) + except KeyboardInterrupt: + pass + finally: + if os.path.exists(lockfile): + os.unlink(lockfile) + return + + try: + if debug is not None: _debug(debug) + app = app or default_app() + if isinstance(app, basestring): + app = load_app(app) + if not callable(app): + raise ValueError("Application is not callable: %r" % app) + + for plugin in plugins or []: + app.install(plugin) + + if server in server_names: + server = server_names.get(server) + if isinstance(server, basestring): + server = load(server) + if isinstance(server, type): + server = server(host=host, port=port, **kargs) + if not isinstance(server, ServerAdapter): + raise ValueError("Unknown or unsupported server: %r" % server) + + server.quiet = server.quiet or quiet + if not server.quiet: + _stderr("Bottle v%s server starting up (using %s)...\n" % (__version__, repr(server))) + _stderr("Listening on http://%s:%d/\n" % (server.host, server.port)) + _stderr("Hit Ctrl-C to quit.\n\n") + + if reloader: + lockfile = os.environ.get('BOTTLE_LOCKFILE') + bgcheck = FileCheckerThread(lockfile, interval) + with bgcheck: + server.run(app) + if bgcheck.status == 'reload': + sys.exit(3) + else: + server.run(app) + except KeyboardInterrupt: + pass + except (SystemExit, MemoryError): + raise + except: + if not reloader: raise + if not getattr(server, 'quiet', quiet): + print_exc() + time.sleep(interval) + sys.exit(3) + + + +class FileCheckerThread(threading.Thread): + ''' Interrupt main-thread as soon as a changed module file is detected, + the lockfile gets deleted or gets to old. ''' + + def __init__(self, lockfile, interval): + threading.Thread.__init__(self) + self.lockfile, self.interval = lockfile, interval + #: Is one of 'reload', 'error' or 'exit' + self.status = None + + def run(self): + exists = os.path.exists + mtime = lambda path: os.stat(path).st_mtime + files = dict() + + for module in list(sys.modules.values()): + path = getattr(module, '__file__', '') + if path[-4:] in ('.pyo', '.pyc'): path = path[:-1] + if path and exists(path): files[path] = mtime(path) + + while not self.status: + if not exists(self.lockfile)\ + or mtime(self.lockfile) < time.time() - self.interval - 5: + self.status = 'error' + thread.interrupt_main() + for path, lmtime in list(files.items()): + if not exists(path) or mtime(path) > lmtime: + self.status = 'reload' + thread.interrupt_main() + break + time.sleep(self.interval) + + def __enter__(self): + self.start() + + def __exit__(self, exc_type, exc_val, exc_tb): + if not self.status: self.status = 'exit' # silent exit + self.join() + return exc_type is not None and issubclass(exc_type, KeyboardInterrupt) + + + + + +############################################################################### +# Template Adapters ############################################################ +############################################################################### + + +class TemplateError(HTTPError): + def __init__(self, message): + HTTPError.__init__(self, 500, message) + + +class BaseTemplate(object): + """ Base class and minimal API for template adapters """ + extensions = ['tpl','html','thtml','stpl'] + settings = {} #used in prepare() + defaults = {} #used in render() + + def __init__(self, source=None, name=None, lookup=[], encoding='utf8', **settings): + """ Create a new template. + If the source parameter (str or buffer) is missing, the name argument + is used to guess a template filename. Subclasses can assume that + self.source and/or self.filename are set. Both are strings. + The lookup, encoding and settings parameters are stored as instance + variables. + The lookup parameter stores a list containing directory paths. + The encoding parameter should be used to decode byte strings or files. + The settings parameter contains a dict for engine-specific settings. + """ + self.name = name + self.source = source.read() if hasattr(source, 'read') else source + self.filename = source.filename if hasattr(source, 'filename') else None + self.lookup = [os.path.abspath(x) for x in lookup] + self.encoding = encoding + self.settings = self.settings.copy() # Copy from class variable + self.settings.update(settings) # Apply + if not self.source and self.name: + self.filename = self.search(self.name, self.lookup) + if not self.filename: + raise TemplateError('Template %s not found.' % repr(name)) + if not self.source and not self.filename: + raise TemplateError('No template specified.') + self.prepare(**self.settings) + + @classmethod + def search(cls, name, lookup=[]): + """ Search name in all directories specified in lookup. + First without, then with common extensions. Return first hit. """ + if not lookup: + depr('The template lookup path list should not be empty.') #0.12 + lookup = ['.'] + + if os.path.isabs(name) and os.path.isfile(name): + depr('Absolute template path names are deprecated.') #0.12 + return os.path.abspath(name) + + for spath in lookup: + spath = os.path.abspath(spath) + os.sep + fname = os.path.abspath(os.path.join(spath, name)) + if not fname.startswith(spath): continue + if os.path.isfile(fname): return fname + for ext in cls.extensions: + if os.path.isfile('%s.%s' % (fname, ext)): + return '%s.%s' % (fname, ext) + + @classmethod + def global_config(cls, key, *args): + ''' This reads or sets the global settings stored in class.settings. ''' + if args: + cls.settings = cls.settings.copy() # Make settings local to class + cls.settings[key] = args[0] + else: + return cls.settings[key] + + def prepare(self, **options): + """ Run preparations (parsing, caching, ...). + It should be possible to call this again to refresh a template or to + update settings. + """ + raise NotImplementedError + + def render(self, *args, **kwargs): + """ Render the template with the specified local variables and return + a single byte or unicode string. If it is a byte string, the encoding + must match self.encoding. This method must be thread-safe! + Local variables may be provided in dictionaries (args) + or directly, as keywords (kwargs). + """ + raise NotImplementedError + + +class MakoTemplate(BaseTemplate): + def prepare(self, **options): + from mako.template import Template + from mako.lookup import TemplateLookup + options.update({'input_encoding':self.encoding}) + options.setdefault('format_exceptions', bool(DEBUG)) + lookup = TemplateLookup(directories=self.lookup, **options) + if self.source: + self.tpl = Template(self.source, lookup=lookup, **options) + else: + self.tpl = Template(uri=self.name, filename=self.filename, lookup=lookup, **options) + + def render(self, *args, **kwargs): + for dictarg in args: kwargs.update(dictarg) + _defaults = self.defaults.copy() + _defaults.update(kwargs) + return self.tpl.render(**_defaults) + + +class CheetahTemplate(BaseTemplate): + def prepare(self, **options): + from Cheetah.Template import Template + self.context = threading.local() + self.context.vars = {} + options['searchList'] = [self.context.vars] + if self.source: + self.tpl = Template(source=self.source, **options) + else: + self.tpl = Template(file=self.filename, **options) + + def render(self, *args, **kwargs): + for dictarg in args: kwargs.update(dictarg) + self.context.vars.update(self.defaults) + self.context.vars.update(kwargs) + out = str(self.tpl) + self.context.vars.clear() + return out + + +class Jinja2Template(BaseTemplate): + def prepare(self, filters=None, tests=None, globals={}, **kwargs): + from jinja2 import Environment, FunctionLoader + if 'prefix' in kwargs: # TODO: to be removed after a while + raise RuntimeError('The keyword argument `prefix` has been removed. ' + 'Use the full jinja2 environment name line_statement_prefix instead.') + self.env = Environment(loader=FunctionLoader(self.loader), **kwargs) + if filters: self.env.filters.update(filters) + if tests: self.env.tests.update(tests) + if globals: self.env.globals.update(globals) + if self.source: + self.tpl = self.env.from_string(self.source) + else: + self.tpl = self.env.get_template(self.filename) + + def render(self, *args, **kwargs): + for dictarg in args: kwargs.update(dictarg) + _defaults = self.defaults.copy() + _defaults.update(kwargs) + return self.tpl.render(**_defaults) + + def loader(self, name): + fname = self.search(name, self.lookup) + if not fname: return + with open(fname, "rb") as f: + return f.read().decode(self.encoding) + + +class SimpleTemplate(BaseTemplate): + + def prepare(self, escape_func=html_escape, noescape=False, syntax=None, **ka): + self.cache = {} + enc = self.encoding + self._str = lambda x: touni(x, enc) + self._escape = lambda x: escape_func(touni(x, enc)) + self.syntax = syntax + if noescape: + self._str, self._escape = self._escape, self._str + + @cached_property + def co(self): + return compile(self.code, self.filename or '<string>', 'exec') + + @cached_property + def code(self): + source = self.source + if not source: + with open(self.filename, 'rb') as f: + source = f.read() + try: + source, encoding = touni(source), 'utf8' + except UnicodeError: + depr('Template encodings other than utf8 are no longer supported.') #0.11 + source, encoding = touni(source, 'latin1'), 'latin1' + parser = StplParser(source, encoding=encoding, syntax=self.syntax) + code = parser.translate() + self.encoding = parser.encoding + return code + + def _rebase(self, _env, _name=None, **kwargs): + if _name is None: + depr('Rebase function called without arguments.' + ' You were probably looking for {{base}}?', True) #0.12 + _env['_rebase'] = (_name, kwargs) + + def _include(self, _env, _name=None, **kwargs): + if _name is None: + depr('Rebase function called without arguments.' + ' You were probably looking for {{base}}?', True) #0.12 + env = _env.copy() + env.update(kwargs) + if _name not in self.cache: + self.cache[_name] = self.__class__(name=_name, lookup=self.lookup) + return self.cache[_name].execute(env['_stdout'], env) + + def execute(self, _stdout, kwargs): + env = self.defaults.copy() + env.update(kwargs) + env.update({'_stdout': _stdout, '_printlist': _stdout.extend, + 'include': functools.partial(self._include, env), + 'rebase': functools.partial(self._rebase, env), '_rebase': None, + '_str': self._str, '_escape': self._escape, 'get': env.get, + 'setdefault': env.setdefault, 'defined': env.__contains__ }) + eval(self.co, env) + if env.get('_rebase'): + subtpl, rargs = env.pop('_rebase') + rargs['base'] = ''.join(_stdout) #copy stdout + del _stdout[:] # clear stdout + return self._include(env, subtpl, **rargs) + return env + + def render(self, *args, **kwargs): + """ Render the template using keyword arguments as local variables. """ + env = {}; stdout = [] + for dictarg in args: env.update(dictarg) + env.update(kwargs) + self.execute(stdout, env) + return ''.join(stdout) + + +class StplSyntaxError(TemplateError): pass + + +class StplParser(object): + ''' Parser for stpl templates. ''' + _re_cache = {} #: Cache for compiled re patterns + # This huge pile of voodoo magic splits python code into 8 different tokens. + # 1: All kinds of python strings (trust me, it works) + _re_tok = '((?m)[urbURB]?(?:\'\'(?!\')|""(?!")|\'{6}|"{6}' \ + '|\'(?:[^\\\\\']|\\\\.)+?\'|"(?:[^\\\\"]|\\\\.)+?"' \ + '|\'{3}(?:[^\\\\]|\\\\.|\\n)+?\'{3}' \ + '|"{3}(?:[^\\\\]|\\\\.|\\n)+?"{3}))' + _re_inl = _re_tok.replace('|\\n','') # We re-use this string pattern later + # 2: Comments (until end of line, but not the newline itself) + _re_tok += '|(#.*)' + # 3,4: Keywords that start or continue a python block (only start of line) + _re_tok += '|^([ \\t]*(?:if|for|while|with|try|def|class)\\b)' \ + '|^([ \\t]*(?:elif|else|except|finally)\\b)' + # 5: Our special 'end' keyword (but only if it stands alone) + _re_tok += '|((?:^|;)[ \\t]*end[ \\t]*(?=(?:%(block_close)s[ \\t]*)?\\r?$|;|#))' + # 6: A customizable end-of-code-block template token (only end of line) + _re_tok += '|(%(block_close)s[ \\t]*(?=$))' + # 7: And finally, a single newline. The 8th token is 'everything else' + _re_tok += '|(\\r?\\n)' + # Match the start tokens of code areas in a template + _re_split = '(?m)^[ \t]*(\\\\?)((%(line_start)s)|(%(block_start)s))(%%?)' + # Match inline statements (may contain python strings) + _re_inl = '%%(inline_start)s((?:%s|[^\'"\n]*?)+)%%(inline_end)s' % _re_inl + + default_syntax = '<% %> % {{ }}' + + def __init__(self, source, syntax=None, encoding='utf8'): + self.source, self.encoding = touni(source, encoding), encoding + self.set_syntax(syntax or self.default_syntax) + self.code_buffer, self.text_buffer = [], [] + self.lineno, self.offset = 1, 0 + self.indent, self.indent_mod = 0, 0 + + def get_syntax(self): + ''' Tokens as a space separated string (default: <% %> % {{ }}) ''' + return self._syntax + + def set_syntax(self, syntax): + self._syntax = syntax + self._tokens = syntax.split() + if not syntax in self._re_cache: + names = 'block_start block_close line_start inline_start inline_end' + etokens = map(re.escape, self._tokens) + pattern_vars = dict(zip(names.split(), etokens)) + patterns = (self._re_split, self._re_tok, self._re_inl) + patterns = [re.compile(p%pattern_vars) for p in patterns] + self._re_cache[syntax] = patterns + self.re_split, self.re_tok, self.re_inl = self._re_cache[syntax] + + syntax = property(get_syntax, set_syntax) + + def translate(self): + if self.offset: raise RuntimeError('Parser is a one time instance.') + while True: + m = self.re_split.search(self.source[self.offset:]) + if m: + text = self.source[self.offset:self.offset+m.start()] + self.text_buffer.append(text) + self.offset += m.end() + if m.group(1): # New escape syntax + line, sep, _ = self.source[self.offset:].partition('\n') + self.text_buffer.append(m.group(2)+m.group(5)+line+sep) + self.offset += len(line+sep)+1 + continue + elif m.group(5): # Old escape syntax + depr('Escape code lines with a backslash.') #0.12 + line, sep, _ = self.source[self.offset:].partition('\n') + self.text_buffer.append(m.group(2)+line+sep) + self.offset += len(line+sep)+1 + continue + self.flush_text() + self.read_code(multiline=bool(m.group(4))) + else: break + self.text_buffer.append(self.source[self.offset:]) + self.flush_text() + return ''.join(self.code_buffer) + + def read_code(self, multiline): + code_line, comment = '', '' + while True: + m = self.re_tok.search(self.source[self.offset:]) + if not m: + code_line += self.source[self.offset:] + self.offset = len(self.source) + self.write_code(code_line.strip(), comment) + return + code_line += self.source[self.offset:self.offset+m.start()] + self.offset += m.end() + _str, _com, _blk1, _blk2, _end, _cend, _nl = m.groups() + if code_line and (_blk1 or _blk2): # a if b else c + code_line += _blk1 or _blk2 + continue + if _str: # Python string + code_line += _str + elif _com: # Python comment (up to EOL) + comment = _com + if multiline and _com.strip().endswith(self._tokens[1]): + multiline = False # Allow end-of-block in comments + elif _blk1: # Start-block keyword (if/for/while/def/try/...) + code_line, self.indent_mod = _blk1, -1 + self.indent += 1 + elif _blk2: # Continue-block keyword (else/elif/except/...) + code_line, self.indent_mod = _blk2, -1 + elif _end: # The non-standard 'end'-keyword (ends a block) + self.indent -= 1 + elif _cend: # The end-code-block template token (usually '%>') + if multiline: multiline = False + else: code_line += _cend + else: # \n + self.write_code(code_line.strip(), comment) + self.lineno += 1 + code_line, comment, self.indent_mod = '', '', 0 + if not multiline: + break + + def flush_text(self): + text = ''.join(self.text_buffer) + del self.text_buffer[:] + if not text: return + parts, pos, nl = [], 0, '\\\n'+' '*self.indent + for m in self.re_inl.finditer(text): + prefix, pos = text[pos:m.start()], m.end() + if prefix: + parts.append(nl.join(map(repr, prefix.splitlines(True)))) + if prefix.endswith('\n'): parts[-1] += nl + parts.append(self.process_inline(m.group(1).strip())) + if pos < len(text): + prefix = text[pos:] + lines = prefix.splitlines(True) + if lines[-1].endswith('\\\\\n'): lines[-1] = lines[-1][:-3] + elif lines[-1].endswith('\\\\\r\n'): lines[-1] = lines[-1][:-4] + parts.append(nl.join(map(repr, lines))) + code = '_printlist((%s,))' % ', '.join(parts) + self.lineno += code.count('\n')+1 + self.write_code(code) + + def process_inline(self, chunk): + if chunk[0] == '!': return '_str(%s)' % chunk[1:] + return '_escape(%s)' % chunk + + def write_code(self, line, comment=''): + line, comment = self.fix_backward_compatibility(line, comment) + code = ' ' * (self.indent+self.indent_mod) + code += line.lstrip() + comment + '\n' + self.code_buffer.append(code) + + def fix_backward_compatibility(self, line, comment): + parts = line.strip().split(None, 2) + if parts and parts[0] in ('include', 'rebase'): + depr('The include and rebase keywords are functions now.') #0.12 + if len(parts) == 1: return "_printlist([base])", comment + elif len(parts) == 2: return "_=%s(%r)" % tuple(parts), comment + else: return "_=%s(%r, %s)" % tuple(parts), comment + if self.lineno <= 2 and not line.strip() and 'coding' in comment: + m = re.match(r"#.*coding[:=]\s*([-\w.]+)", comment) + if m: + depr('PEP263 encoding strings in templates are deprecated.') #0.12 + enc = m.group(1) + self.source = self.source.encode(self.encoding).decode(enc) + self.encoding = enc + return line, comment.replace('coding','coding*') + return line, comment + + +def template(*args, **kwargs): + ''' + Get a rendered template as a string iterator. + You can use a name, a filename or a template string as first parameter. + Template rendering arguments can be passed as dictionaries + or directly (as keyword arguments). + ''' + tpl = args[0] if args else None + adapter = kwargs.pop('template_adapter', SimpleTemplate) + lookup = kwargs.pop('template_lookup', TEMPLATE_PATH) + tplid = (id(lookup), tpl) + if tplid not in TEMPLATES or DEBUG: + settings = kwargs.pop('template_settings', {}) + if isinstance(tpl, adapter): + TEMPLATES[tplid] = tpl + if settings: TEMPLATES[tplid].prepare(**settings) + elif "\n" in tpl or "{" in tpl or "%" in tpl or '$' in tpl: + TEMPLATES[tplid] = adapter(source=tpl, lookup=lookup, **settings) + else: + TEMPLATES[tplid] = adapter(name=tpl, lookup=lookup, **settings) + if not TEMPLATES[tplid]: + abort(500, 'Template (%s) not found' % tpl) + for dictarg in args[1:]: kwargs.update(dictarg) + return TEMPLATES[tplid].render(kwargs) + +mako_template = functools.partial(template, template_adapter=MakoTemplate) +cheetah_template = functools.partial(template, template_adapter=CheetahTemplate) +jinja2_template = functools.partial(template, template_adapter=Jinja2Template) + + +def view(tpl_name, **defaults): + ''' Decorator: renders a template for a handler. + The handler can control its behavior like that: + + - return a dict of template vars to fill out the template + - return something other than a dict and the view decorator will not + process the template, but return the handler result as is. + This includes returning a HTTPResponse(dict) to get, + for instance, JSON with autojson or other castfilters. + ''' + def decorator(func): + @functools.wraps(func) + def wrapper(*args, **kwargs): + result = func(*args, **kwargs) + if isinstance(result, (dict, DictMixin)): + tplvars = defaults.copy() + tplvars.update(result) + return template(tpl_name, **tplvars) + elif result is None: + return template(tpl_name, defaults) + return result + return wrapper + return decorator + +mako_view = functools.partial(view, template_adapter=MakoTemplate) +cheetah_view = functools.partial(view, template_adapter=CheetahTemplate) +jinja2_view = functools.partial(view, template_adapter=Jinja2Template) + + + + + + +############################################################################### +# Constants and Globals ######################################################## +############################################################################### + + +TEMPLATE_PATH = ['./', './views/'] +TEMPLATES = {} +DEBUG = False +NORUN = False # If set, run() does nothing. Used by load_app() + +#: A dict to map HTTP status codes (e.g. 404) to phrases (e.g. 'Not Found') +HTTP_CODES = httplib.responses +HTTP_CODES[418] = "I'm a teapot" # RFC 2324 +HTTP_CODES[428] = "Precondition Required" +HTTP_CODES[429] = "Too Many Requests" +HTTP_CODES[431] = "Request Header Fields Too Large" +HTTP_CODES[511] = "Network Authentication Required" +_HTTP_STATUS_LINES = dict((k, '%d %s'%(k,v)) for (k,v) in HTTP_CODES.items()) + +#: The default template used for error pages. Override with @error() +ERROR_PAGE_TEMPLATE = """ +%%try: + %%from %s import DEBUG, HTTP_CODES, request, touni + <!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML 2.0//EN"> + <html> + <head> + <title>Error: {{e.status}}</title> + <style type="text/css"> + html {background-color: #eee; font-family: sans;} + body {background-color: #fff; border: 1px solid #ddd; + padding: 15px; margin: 15px;} + pre {background-color: #eee; border: 1px solid #ddd; padding: 5px;} + </style> + </head> + <body> + <h1>Error: {{e.status}}</h1> + <p>Sorry, the requested URL <tt>{{repr(request.url)}}</tt> + caused an error:</p> + <pre>{{e.body}}</pre> + %%if DEBUG and e.exception: + <h2>Exception:</h2> + <pre>{{repr(e.exception)}}</pre> + %%end + %%if DEBUG and e.traceback: + <h2>Traceback:</h2> + <pre>{{e.traceback}}</pre> + %%end + </body> + </html> +%%except ImportError: + <b>ImportError:</b> Could not generate the error page. Please add bottle to + the import path. +%%end +""" % __name__ + +#: A thread-safe instance of :class:`LocalRequest`. If accessed from within a +#: request callback, this instance always refers to the *current* request +#: (even on a multithreaded server). +request = LocalRequest() + +#: A thread-safe instance of :class:`LocalResponse`. It is used to change the +#: HTTP response for the *current* request. +response = LocalResponse() + +#: A thread-safe namespace. Not used by Bottle. +local = threading.local() + +# Initialize app stack (create first empty Bottle app) +# BC: 0.6.4 and needed for run() +app = default_app = AppStack() +app.push() + +#: A virtual package that redirects import statements. +#: Example: ``import bottle.ext.sqlite`` actually imports `bottle_sqlite`. +ext = _ImportRedirect('bottle.ext' if __name__ == '__main__' else __name__+".ext", 'bottle_%s').module + +if __name__ == '__main__': + opt, args, parser = _cmd_options, _cmd_args, _cmd_parser + if opt.version: + _stdout('Bottle %s\n'%__version__) + sys.exit(0) + if not args: + parser.print_help() + _stderr('\nError: No application specified.\n') + sys.exit(1) + + sys.path.insert(0, '.') + sys.modules.setdefault('bottle', sys.modules['__main__']) + + host, port = (opt.bind or 'localhost'), 8080 + if ':' in host and host.rfind(']') < host.rfind(':'): + host, port = host.rsplit(':', 1) + host = host.strip('[]') + + run(args[0], host=host, port=int(port), server=opt.server, + reloader=opt.reload, plugins=opt.plugin, debug=opt.debug) + + + + +# THE END diff --git a/pyload/lib/feedparser.py b/pyload/lib/feedparser.py new file mode 100644 index 000000000..c78e6a39b --- /dev/null +++ b/pyload/lib/feedparser.py @@ -0,0 +1,4013 @@ +"""Universal feed parser + +Handles RSS 0.9x, RSS 1.0, RSS 2.0, CDF, Atom 0.3, and Atom 1.0 feeds + +Visit https://code.google.com/p/feedparser/ for the latest version +Visit http://packages.python.org/feedparser/ for the latest documentation + +Required: Python 2.4 or later +Recommended: iconv_codec <http://cjkpython.i18n.org/> +""" + +__version__ = "5.1.3" +__license__ = """ +Copyright (c) 2010-2012 Kurt McKee <contactme@kurtmckee.org> +Copyright (c) 2002-2008 Mark Pilgrim +All rights reserved. + +Redistribution and use in source and binary forms, with or without modification, +are permitted provided that the following conditions are met: + +* Redistributions of source code must retain the above copyright notice, + this list of conditions and the following disclaimer. +* Redistributions in binary form must reproduce the above copyright notice, + this list of conditions and the following disclaimer in the documentation + and/or other materials provided with the distribution. + +THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 'AS IS' +AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE +IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE +ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE +LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR +CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF +SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS +INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN +CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) +ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE +POSSIBILITY OF SUCH DAMAGE.""" +__author__ = "Mark Pilgrim <http://diveintomark.org/>" +__contributors__ = ["Jason Diamond <http://injektilo.org/>", + "John Beimler <http://john.beimler.org/>", + "Fazal Majid <http://www.majid.info/mylos/weblog/>", + "Aaron Swartz <http://aaronsw.com/>", + "Kevin Marks <http://epeus.blogspot.com/>", + "Sam Ruby <http://intertwingly.net/>", + "Ade Oshineye <http://blog.oshineye.com/>", + "Martin Pool <http://sourcefrog.net/>", + "Kurt McKee <http://kurtmckee.org/>", + "Bernd Schlapsi <https://github.com/brot>",] + +# HTTP "User-Agent" header to send to servers when downloading feeds. +# If you are embedding feedparser in a larger application, you should +# change this to your application name and URL. +USER_AGENT = "UniversalFeedParser/%s +https://code.google.com/p/feedparser/" % __version__ + +# HTTP "Accept" header to send to servers when downloading feeds. If you don't +# want to send an Accept header, set this to None. +ACCEPT_HEADER = "application/atom+xml,application/rdf+xml,application/rss+xml,application/x-netcdf,application/xml;q=0.9,text/xml;q=0.2,*/*;q=0.1" + +# List of preferred XML parsers, by SAX driver name. These will be tried first, +# but if they're not installed, Python will keep searching through its own list +# of pre-installed parsers until it finds one that supports everything we need. +PREFERRED_XML_PARSERS = ["drv_libxml2"] + +# If you want feedparser to automatically run HTML markup through HTML Tidy, set +# this to 1. Requires mxTidy <http://www.egenix.com/files/python/mxTidy.html> +# or utidylib <http://utidylib.berlios.de/>. +TIDY_MARKUP = 0 + +# List of Python interfaces for HTML Tidy, in order of preference. Only useful +# if TIDY_MARKUP = 1 +PREFERRED_TIDY_INTERFACES = ["uTidy", "mxTidy"] + +# If you want feedparser to automatically resolve all relative URIs, set this +# to 1. +RESOLVE_RELATIVE_URIS = 1 + +# If you want feedparser to automatically sanitize all potentially unsafe +# HTML content, set this to 1. +SANITIZE_HTML = 1 + +# If you want feedparser to automatically parse microformat content embedded +# in entry contents, set this to 1 +PARSE_MICROFORMATS = 1 + +# ---------- Python 3 modules (make it work if possible) ---------- +try: + import rfc822 +except ImportError: + from email import _parseaddr as rfc822 + +try: + # Python 3.1 introduces bytes.maketrans and simultaneously + # deprecates string.maketrans; use bytes.maketrans if possible + _maketrans = bytes.maketrans +except (NameError, AttributeError): + import string + _maketrans = string.maketrans + +# base64 support for Atom feeds that contain embedded binary data +try: + import base64, binascii +except ImportError: + base64 = binascii = None +else: + # Python 3.1 deprecates decodestring in favor of decodebytes + _base64decode = getattr(base64, 'decodebytes', base64.decodestring) + +# _s2bytes: convert a UTF-8 str to bytes if the interpreter is Python 3 +# _l2bytes: convert a list of ints to bytes if the interpreter is Python 3 +try: + if bytes is str: + # In Python 2.5 and below, bytes doesn't exist (NameError) + # In Python 2.6 and above, bytes and str are the same type + raise NameError +except NameError: + # Python 2 + def _s2bytes(s): + return s + def _l2bytes(l): + return ''.join(map(chr, l)) +else: + # Python 3 + def _s2bytes(s): + return bytes(s, 'utf8') + def _l2bytes(l): + return bytes(l) + +# If you want feedparser to allow all URL schemes, set this to () +# List culled from Python's urlparse documentation at: +# http://docs.python.org/library/urlparse.html +# as well as from "URI scheme" at Wikipedia: +# https://secure.wikimedia.org/wikipedia/en/wiki/URI_scheme +# Many more will likely need to be added! +ACCEPTABLE_URI_SCHEMES = ( + 'file', 'ftp', 'gopher', 'h323', 'hdl', 'http', 'https', 'imap', 'magnet', + 'mailto', 'mms', 'news', 'nntp', 'prospero', 'rsync', 'rtsp', 'rtspu', + 'sftp', 'shttp', 'sip', 'sips', 'snews', 'svn', 'svn+ssh', 'telnet', + 'wais', + # Additional common-but-unofficial schemes + 'aim', 'callto', 'cvs', 'facetime', 'feed', 'git', 'gtalk', 'irc', 'ircs', + 'irc6', 'itms', 'mms', 'msnim', 'skype', 'ssh', 'smb', 'svn', 'ymsg', +) +#ACCEPTABLE_URI_SCHEMES = () + +# ---------- required modules (should come with any Python distribution) ---------- +import cgi +import codecs +import copy +import datetime +import re +import struct +import time +import types +import urllib +import urllib2 +import urlparse +import warnings + +from htmlentitydefs import name2codepoint, codepoint2name, entitydefs + +try: + from io import BytesIO as _StringIO +except ImportError: + try: + from cStringIO import StringIO as _StringIO + except ImportError: + from StringIO import StringIO as _StringIO + +# ---------- optional modules (feedparser will work without these, but with reduced functionality) ---------- + +# gzip is included with most Python distributions, but may not be available if you compiled your own +try: + import gzip +except ImportError: + gzip = None +try: + import zlib +except ImportError: + zlib = None + +# If a real XML parser is available, feedparser will attempt to use it. feedparser has +# been tested with the built-in SAX parser and libxml2. On platforms where the +# Python distribution does not come with an XML parser (such as Mac OS X 10.2 and some +# versions of FreeBSD), feedparser will quietly fall back on regex-based parsing. +try: + import xml.sax + from xml.sax.saxutils import escape as _xmlescape +except ImportError: + _XML_AVAILABLE = 0 + def _xmlescape(data,entities={}): + data = data.replace('&', '&') + data = data.replace('>', '>') + data = data.replace('<', '<') + for char, entity in entities: + data = data.replace(char, entity) + return data +else: + try: + xml.sax.make_parser(PREFERRED_XML_PARSERS) # test for valid parsers + except xml.sax.SAXReaderNotAvailable: + _XML_AVAILABLE = 0 + else: + _XML_AVAILABLE = 1 + +# sgmllib is not available by default in Python 3; if the end user doesn't have +# it available then we'll lose illformed XML parsing, content santizing, and +# microformat support (at least while feedparser depends on BeautifulSoup). +try: + import sgmllib +except ImportError: + # This is probably Python 3, which doesn't include sgmllib anymore + _SGML_AVAILABLE = 0 + + # Mock sgmllib enough to allow subclassing later on + class sgmllib(object): + class SGMLParser(object): + def goahead(self, i): + pass + def parse_starttag(self, i): + pass +else: + _SGML_AVAILABLE = 1 + + # sgmllib defines a number of module-level regular expressions that are + # insufficient for the XML parsing feedparser needs. Rather than modify + # the variables directly in sgmllib, they're defined here using the same + # names, and the compiled code objects of several sgmllib.SGMLParser + # methods are copied into _BaseHTMLProcessor so that they execute in + # feedparser's scope instead of sgmllib's scope. + charref = re.compile('&#(\d+|[xX][0-9a-fA-F]+);') + tagfind = re.compile('[a-zA-Z][-_.:a-zA-Z0-9]*') + attrfind = re.compile( + r'\s*([a-zA-Z_][-:.a-zA-Z_0-9]*)[$]?(\s*=\s*' + r'(\'[^\']*\'|"[^"]*"|[][\-a-zA-Z0-9./,:;+*%?!&$\(\)_#=~\'"@]*))?' + ) + + # Unfortunately, these must be copied over to prevent NameError exceptions + entityref = sgmllib.entityref + incomplete = sgmllib.incomplete + interesting = sgmllib.interesting + shorttag = sgmllib.shorttag + shorttagopen = sgmllib.shorttagopen + starttagopen = sgmllib.starttagopen + + class _EndBracketRegEx: + def __init__(self): + # Overriding the built-in sgmllib.endbracket regex allows the + # parser to find angle brackets embedded in element attributes. + self.endbracket = re.compile('''([^'"<>]|"[^"]*"(?=>|/|\s|\w+=)|'[^']*'(?=>|/|\s|\w+=))*(?=[<>])|.*?(?=[<>])''') + def search(self, target, index=0): + match = self.endbracket.match(target, index) + if match is not None: + # Returning a new object in the calling thread's context + # resolves a thread-safety. + return EndBracketMatch(match) + return None + class EndBracketMatch: + def __init__(self, match): + self.match = match + def start(self, n): + return self.match.end(n) + endbracket = _EndBracketRegEx() + + +# iconv_codec provides support for more character encodings. +# It's available from http://cjkpython.i18n.org/ +try: + import iconv_codec +except ImportError: + pass + +# chardet library auto-detects character encodings +# Download from http://chardet.feedparser.org/ +try: + import chardet +except ImportError: + chardet = None + +# BeautifulSoup is used to extract microformat content from HTML +# feedparser is tested using BeautifulSoup 3.2.0 +# http://www.crummy.com/software/BeautifulSoup/ +try: + import BeautifulSoup +except ImportError: + BeautifulSoup = None + PARSE_MICROFORMATS = False + +# ---------- don't touch these ---------- +class ThingsNobodyCaresAboutButMe(Exception): pass +class CharacterEncodingOverride(ThingsNobodyCaresAboutButMe): pass +class CharacterEncodingUnknown(ThingsNobodyCaresAboutButMe): pass +class NonXMLContentType(ThingsNobodyCaresAboutButMe): pass +class UndeclaredNamespace(Exception): pass + +SUPPORTED_VERSIONS = {'': u'unknown', + 'rss090': u'RSS 0.90', + 'rss091n': u'RSS 0.91 (Netscape)', + 'rss091u': u'RSS 0.91 (Userland)', + 'rss092': u'RSS 0.92', + 'rss093': u'RSS 0.93', + 'rss094': u'RSS 0.94', + 'rss20': u'RSS 2.0', + 'rss10': u'RSS 1.0', + 'rss': u'RSS (unknown version)', + 'atom01': u'Atom 0.1', + 'atom02': u'Atom 0.2', + 'atom03': u'Atom 0.3', + 'atom10': u'Atom 1.0', + 'atom': u'Atom (unknown version)', + 'cdf': u'CDF', + } + +class FeedParserDict(dict): + keymap = {'channel': 'feed', + 'items': 'entries', + 'guid': 'id', + 'date': 'updated', + 'date_parsed': 'updated_parsed', + 'description': ['summary', 'subtitle'], + 'description_detail': ['summary_detail', 'subtitle_detail'], + 'url': ['href'], + 'modified': 'updated', + 'modified_parsed': 'updated_parsed', + 'issued': 'published', + 'issued_parsed': 'published_parsed', + 'copyright': 'rights', + 'copyright_detail': 'rights_detail', + 'tagline': 'subtitle', + 'tagline_detail': 'subtitle_detail'} + def __getitem__(self, key): + if key == 'category': + try: + return dict.__getitem__(self, 'tags')[0]['term'] + except IndexError: + raise KeyError, "object doesn't have key 'category'" + elif key == 'enclosures': + norel = lambda link: FeedParserDict([(name,value) for (name,value) in link.items() if name!='rel']) + return [norel(link) for link in dict.__getitem__(self, 'links') if link['rel']==u'enclosure'] + elif key == 'license': + for link in dict.__getitem__(self, 'links'): + if link['rel']==u'license' and 'href' in link: + return link['href'] + elif key == 'updated': + # Temporarily help developers out by keeping the old + # broken behavior that was reported in issue 310. + # This fix was proposed in issue 328. + if not dict.__contains__(self, 'updated') and \ + dict.__contains__(self, 'published'): + warnings.warn("To avoid breaking existing software while " + "fixing issue 310, a temporary mapping has been created " + "from `updated` to `published` if `updated` doesn't " + "exist. This fallback will be removed in a future version " + "of feedparser.", DeprecationWarning) + return dict.__getitem__(self, 'published') + return dict.__getitem__(self, 'updated') + elif key == 'updated_parsed': + if not dict.__contains__(self, 'updated_parsed') and \ + dict.__contains__(self, 'published_parsed'): + warnings.warn("To avoid breaking existing software while " + "fixing issue 310, a temporary mapping has been created " + "from `updated_parsed` to `published_parsed` if " + "`updated_parsed` doesn't exist. This fallback will be " + "removed in a future version of feedparser.", + DeprecationWarning) + return dict.__getitem__(self, 'published_parsed') + return dict.__getitem__(self, 'updated_parsed') + else: + realkey = self.keymap.get(key, key) + if isinstance(realkey, list): + for k in realkey: + if dict.__contains__(self, k): + return dict.__getitem__(self, k) + elif dict.__contains__(self, realkey): + return dict.__getitem__(self, realkey) + return dict.__getitem__(self, key) + + def __contains__(self, key): + if key in ('updated', 'updated_parsed'): + # Temporarily help developers out by keeping the old + # broken behavior that was reported in issue 310. + # This fix was proposed in issue 328. + return dict.__contains__(self, key) + try: + self.__getitem__(key) + except KeyError: + return False + else: + return True + + has_key = __contains__ + + def get(self, key, default=None): + try: + return self.__getitem__(key) + except KeyError: + return default + + def __setitem__(self, key, value): + key = self.keymap.get(key, key) + if isinstance(key, list): + key = key[0] + return dict.__setitem__(self, key, value) + + def setdefault(self, key, value): + if key not in self: + self[key] = value + return value + return self[key] + + def __getattr__(self, key): + # __getattribute__() is called first; this will be called + # only if an attribute was not already found + try: + return self.__getitem__(key) + except KeyError: + raise AttributeError, "object has no attribute '%s'" % key + + def __hash__(self): + return id(self) + +_cp1252 = { + 128: unichr(8364), # euro sign + 130: unichr(8218), # single low-9 quotation mark + 131: unichr( 402), # latin small letter f with hook + 132: unichr(8222), # double low-9 quotation mark + 133: unichr(8230), # horizontal ellipsis + 134: unichr(8224), # dagger + 135: unichr(8225), # double dagger + 136: unichr( 710), # modifier letter circumflex accent + 137: unichr(8240), # per mille sign + 138: unichr( 352), # latin capital letter s with caron + 139: unichr(8249), # single left-pointing angle quotation mark + 140: unichr( 338), # latin capital ligature oe + 142: unichr( 381), # latin capital letter z with caron + 145: unichr(8216), # left single quotation mark + 146: unichr(8217), # right single quotation mark + 147: unichr(8220), # left double quotation mark + 148: unichr(8221), # right double quotation mark + 149: unichr(8226), # bullet + 150: unichr(8211), # en dash + 151: unichr(8212), # em dash + 152: unichr( 732), # small tilde + 153: unichr(8482), # trade mark sign + 154: unichr( 353), # latin small letter s with caron + 155: unichr(8250), # single right-pointing angle quotation mark + 156: unichr( 339), # latin small ligature oe + 158: unichr( 382), # latin small letter z with caron + 159: unichr( 376), # latin capital letter y with diaeresis +} + +_urifixer = re.compile('^([A-Za-z][A-Za-z0-9+-.]*://)(/*)(.*?)') +def _urljoin(base, uri): + uri = _urifixer.sub(r'\1\3', uri) + #try: + if not isinstance(uri, unicode): + uri = uri.decode('utf-8', 'ignore') + uri = urlparse.urljoin(base, uri) + if not isinstance(uri, unicode): + return uri.decode('utf-8', 'ignore') + return uri + #except: + # uri = urlparse.urlunparse([urllib.quote(part) for part in urlparse.urlparse(uri)]) + # return urlparse.urljoin(base, uri) + +class _FeedParserMixin: + namespaces = { + '': '', + 'http://backend.userland.com/rss': '', + 'http://blogs.law.harvard.edu/tech/rss': '', + 'http://purl.org/rss/1.0/': '', + 'http://my.netscape.com/rdf/simple/0.9/': '', + 'http://example.com/newformat#': '', + 'http://example.com/necho': '', + 'http://purl.org/echo/': '', + 'uri/of/echo/namespace#': '', + 'http://purl.org/pie/': '', + 'http://purl.org/atom/ns#': '', + 'http://www.w3.org/2005/Atom': '', + 'http://purl.org/rss/1.0/modules/rss091#': '', + + 'http://webns.net/mvcb/': 'admin', + 'http://purl.org/rss/1.0/modules/aggregation/': 'ag', + 'http://purl.org/rss/1.0/modules/annotate/': 'annotate', + 'http://media.tangent.org/rss/1.0/': 'audio', + 'http://backend.userland.com/blogChannelModule': 'blogChannel', + 'http://web.resource.org/cc/': 'cc', + 'http://backend.userland.com/creativeCommonsRssModule': 'creativeCommons', + 'http://purl.org/rss/1.0/modules/company': 'co', + 'http://purl.org/rss/1.0/modules/content/': 'content', + 'http://my.theinfo.org/changed/1.0/rss/': 'cp', + 'http://purl.org/dc/elements/1.1/': 'dc', + 'http://purl.org/dc/terms/': 'dcterms', + 'http://purl.org/rss/1.0/modules/email/': 'email', + 'http://purl.org/rss/1.0/modules/event/': 'ev', + 'http://rssnamespace.org/feedburner/ext/1.0': 'feedburner', + 'http://freshmeat.net/rss/fm/': 'fm', + 'http://xmlns.com/foaf/0.1/': 'foaf', + 'http://www.w3.org/2003/01/geo/wgs84_pos#': 'geo', + 'http://postneo.com/icbm/': 'icbm', + 'http://purl.org/rss/1.0/modules/image/': 'image', + 'http://www.itunes.com/DTDs/PodCast-1.0.dtd': 'itunes', + 'http://example.com/DTDs/PodCast-1.0.dtd': 'itunes', + 'http://purl.org/rss/1.0/modules/link/': 'l', + 'http://search.yahoo.com/mrss': 'media', + # Version 1.1.2 of the Media RSS spec added the trailing slash on the namespace + 'http://search.yahoo.com/mrss/': 'media', + 'http://madskills.com/public/xml/rss/module/pingback/': 'pingback', + 'http://prismstandard.org/namespaces/1.2/basic/': 'prism', + 'http://www.w3.org/1999/02/22-rdf-syntax-ns#': 'rdf', + 'http://www.w3.org/2000/01/rdf-schema#': 'rdfs', + 'http://purl.org/rss/1.0/modules/reference/': 'ref', + 'http://purl.org/rss/1.0/modules/richequiv/': 'reqv', + 'http://purl.org/rss/1.0/modules/search/': 'search', + 'http://purl.org/rss/1.0/modules/slash/': 'slash', + 'http://schemas.xmlsoap.org/soap/envelope/': 'soap', + 'http://purl.org/rss/1.0/modules/servicestatus/': 'ss', + 'http://hacks.benhammersley.com/rss/streaming/': 'str', + 'http://purl.org/rss/1.0/modules/subscription/': 'sub', + 'http://purl.org/rss/1.0/modules/syndication/': 'sy', + 'http://schemas.pocketsoap.com/rss/myDescModule/': 'szf', + 'http://purl.org/rss/1.0/modules/taxonomy/': 'taxo', + 'http://purl.org/rss/1.0/modules/threading/': 'thr', + 'http://purl.org/rss/1.0/modules/textinput/': 'ti', + 'http://madskills.com/public/xml/rss/module/trackback/': 'trackback', + 'http://wellformedweb.org/commentAPI/': 'wfw', + 'http://purl.org/rss/1.0/modules/wiki/': 'wiki', + 'http://www.w3.org/1999/xhtml': 'xhtml', + 'http://www.w3.org/1999/xlink': 'xlink', + 'http://www.w3.org/XML/1998/namespace': 'xml', + } + _matchnamespaces = {} + + can_be_relative_uri = set(['link', 'id', 'wfw_comment', 'wfw_commentrss', 'docs', 'url', 'href', 'comments', 'icon', 'logo']) + can_contain_relative_uris = set(['content', 'title', 'summary', 'info', 'tagline', 'subtitle', 'copyright', 'rights', 'description']) + can_contain_dangerous_markup = set(['content', 'title', 'summary', 'info', 'tagline', 'subtitle', 'copyright', 'rights', 'description']) + html_types = [u'text/html', u'application/xhtml+xml'] + + def __init__(self, baseuri=None, baselang=None, encoding=u'utf-8'): + if not self._matchnamespaces: + for k, v in self.namespaces.items(): + self._matchnamespaces[k.lower()] = v + self.feeddata = FeedParserDict() # feed-level data + self.encoding = encoding # character encoding + self.entries = [] # list of entry-level data + self.version = u'' # feed type/version, see SUPPORTED_VERSIONS + self.namespacesInUse = {} # dictionary of namespaces defined by the feed + + # the following are used internally to track state; + # this is really out of control and should be refactored + self.infeed = 0 + self.inentry = 0 + self.incontent = 0 + self.intextinput = 0 + self.inimage = 0 + self.inauthor = 0 + self.incontributor = 0 + self.inpublisher = 0 + self.insource = 0 + self.sourcedata = FeedParserDict() + self.contentparams = FeedParserDict() + self._summaryKey = None + self.namespacemap = {} + self.elementstack = [] + self.basestack = [] + self.langstack = [] + self.baseuri = baseuri or u'' + self.lang = baselang or None + self.svgOK = 0 + self.title_depth = -1 + self.depth = 0 + if baselang: + self.feeddata['language'] = baselang.replace('_','-') + + # A map of the following form: + # { + # object_that_value_is_set_on: { + # property_name: depth_of_node_property_was_extracted_from, + # other_property: depth_of_node_property_was_extracted_from, + # }, + # } + self.property_depth_map = {} + + def _normalize_attributes(self, kv): + k = kv[0].lower() + v = k in ('rel', 'type') and kv[1].lower() or kv[1] + # the sgml parser doesn't handle entities in attributes, nor + # does it pass the attribute values through as unicode, while + # strict xml parsers do -- account for this difference + if isinstance(self, _LooseFeedParser): + v = v.replace('&', '&') + if not isinstance(v, unicode): + v = v.decode('utf-8') + return (k, v) + + def unknown_starttag(self, tag, attrs): + # increment depth counter + self.depth += 1 + + # normalize attrs + attrs = map(self._normalize_attributes, attrs) + + # track xml:base and xml:lang + attrsD = dict(attrs) + baseuri = attrsD.get('xml:base', attrsD.get('base')) or self.baseuri + if not isinstance(baseuri, unicode): + baseuri = baseuri.decode(self.encoding, 'ignore') + # ensure that self.baseuri is always an absolute URI that + # uses a whitelisted URI scheme (e.g. not `javscript:`) + if self.baseuri: + self.baseuri = _makeSafeAbsoluteURI(self.baseuri, baseuri) or self.baseuri + else: + self.baseuri = _urljoin(self.baseuri, baseuri) + lang = attrsD.get('xml:lang', attrsD.get('lang')) + if lang == '': + # xml:lang could be explicitly set to '', we need to capture that + lang = None + elif lang is None: + # if no xml:lang is specified, use parent lang + lang = self.lang + if lang: + if tag in ('feed', 'rss', 'rdf:RDF'): + self.feeddata['language'] = lang.replace('_','-') + self.lang = lang + self.basestack.append(self.baseuri) + self.langstack.append(lang) + + # track namespaces + for prefix, uri in attrs: + if prefix.startswith('xmlns:'): + self.trackNamespace(prefix[6:], uri) + elif prefix == 'xmlns': + self.trackNamespace(None, uri) + + # track inline content + if self.incontent and not self.contentparams.get('type', u'xml').endswith(u'xml'): + if tag in ('xhtml:div', 'div'): + return # typepad does this 10/2007 + # element declared itself as escaped markup, but it isn't really + self.contentparams['type'] = u'application/xhtml+xml' + if self.incontent and self.contentparams.get('type') == u'application/xhtml+xml': + if tag.find(':') <> -1: + prefix, tag = tag.split(':', 1) + namespace = self.namespacesInUse.get(prefix, '') + if tag=='math' and namespace=='http://www.w3.org/1998/Math/MathML': + attrs.append(('xmlns',namespace)) + if tag=='svg' and namespace=='http://www.w3.org/2000/svg': + attrs.append(('xmlns',namespace)) + if tag == 'svg': + self.svgOK += 1 + return self.handle_data('<%s%s>' % (tag, self.strattrs(attrs)), escape=0) + + # match namespaces + if tag.find(':') <> -1: + prefix, suffix = tag.split(':', 1) + else: + prefix, suffix = '', tag + prefix = self.namespacemap.get(prefix, prefix) + if prefix: + prefix = prefix + '_' + + # special hack for better tracking of empty textinput/image elements in illformed feeds + if (not prefix) and tag not in ('title', 'link', 'description', 'name'): + self.intextinput = 0 + if (not prefix) and tag not in ('title', 'link', 'description', 'url', 'href', 'width', 'height'): + self.inimage = 0 + + # call special handler (if defined) or default handler + methodname = '_start_' + prefix + suffix + try: + method = getattr(self, methodname) + return method(attrsD) + except AttributeError: + # Since there's no handler or something has gone wrong we explicitly add the element and its attributes + unknown_tag = prefix + suffix + if len(attrsD) == 0: + # No attributes so merge it into the encosing dictionary + return self.push(unknown_tag, 1) + else: + # Has attributes so create it in its own dictionary + context = self._getContext() + context[unknown_tag] = attrsD + + def unknown_endtag(self, tag): + # match namespaces + if tag.find(':') <> -1: + prefix, suffix = tag.split(':', 1) + else: + prefix, suffix = '', tag + prefix = self.namespacemap.get(prefix, prefix) + if prefix: + prefix = prefix + '_' + if suffix == 'svg' and self.svgOK: + self.svgOK -= 1 + + # call special handler (if defined) or default handler + methodname = '_end_' + prefix + suffix + try: + if self.svgOK: + raise AttributeError() + method = getattr(self, methodname) + method() + except AttributeError: + self.pop(prefix + suffix) + + # track inline content + if self.incontent and not self.contentparams.get('type', u'xml').endswith(u'xml'): + # element declared itself as escaped markup, but it isn't really + if tag in ('xhtml:div', 'div'): + return # typepad does this 10/2007 + self.contentparams['type'] = u'application/xhtml+xml' + if self.incontent and self.contentparams.get('type') == u'application/xhtml+xml': + tag = tag.split(':')[-1] + self.handle_data('</%s>' % tag, escape=0) + + # track xml:base and xml:lang going out of scope + if self.basestack: + self.basestack.pop() + if self.basestack and self.basestack[-1]: + self.baseuri = self.basestack[-1] + if self.langstack: + self.langstack.pop() + if self.langstack: # and (self.langstack[-1] is not None): + self.lang = self.langstack[-1] + + self.depth -= 1 + + def handle_charref(self, ref): + # called for each character reference, e.g. for ' ', ref will be '160' + if not self.elementstack: + return + ref = ref.lower() + if ref in ('34', '38', '39', '60', '62', 'x22', 'x26', 'x27', 'x3c', 'x3e'): + text = '&#%s;' % ref + else: + if ref[0] == 'x': + c = int(ref[1:], 16) + else: + c = int(ref) + text = unichr(c).encode('utf-8') + self.elementstack[-1][2].append(text) + + def handle_entityref(self, ref): + # called for each entity reference, e.g. for '©', ref will be 'copy' + if not self.elementstack: + return + if ref in ('lt', 'gt', 'quot', 'amp', 'apos'): + text = '&%s;' % ref + elif ref in self.entities: + text = self.entities[ref] + if text.startswith('&#') and text.endswith(';'): + return self.handle_entityref(text) + else: + try: + name2codepoint[ref] + except KeyError: + text = '&%s;' % ref + else: + text = unichr(name2codepoint[ref]).encode('utf-8') + self.elementstack[-1][2].append(text) + + def handle_data(self, text, escape=1): + # called for each block of plain text, i.e. outside of any tag and + # not containing any character or entity references + if not self.elementstack: + return + if escape and self.contentparams.get('type') == u'application/xhtml+xml': + text = _xmlescape(text) + self.elementstack[-1][2].append(text) + + def handle_comment(self, text): + # called for each comment, e.g. <!-- insert message here --> + pass + + def handle_pi(self, text): + # called for each processing instruction, e.g. <?instruction> + pass + + def handle_decl(self, text): + pass + + def parse_declaration(self, i): + # override internal declaration handler to handle CDATA blocks + if self.rawdata[i:i+9] == '<![CDATA[': + k = self.rawdata.find(']]>', i) + if k == -1: + # CDATA block began but didn't finish + k = len(self.rawdata) + return k + self.handle_data(_xmlescape(self.rawdata[i+9:k]), 0) + return k+3 + else: + k = self.rawdata.find('>', i) + if k >= 0: + return k+1 + else: + # We have an incomplete CDATA block. + return k + + def mapContentType(self, contentType): + contentType = contentType.lower() + if contentType == 'text' or contentType == 'plain': + contentType = u'text/plain' + elif contentType == 'html': + contentType = u'text/html' + elif contentType == 'xhtml': + contentType = u'application/xhtml+xml' + return contentType + + def trackNamespace(self, prefix, uri): + loweruri = uri.lower() + if not self.version: + if (prefix, loweruri) == (None, 'http://my.netscape.com/rdf/simple/0.9/'): + self.version = u'rss090' + elif loweruri == 'http://purl.org/rss/1.0/': + self.version = u'rss10' + elif loweruri == 'http://www.w3.org/2005/atom': + self.version = u'atom10' + if loweruri.find(u'backend.userland.com/rss') <> -1: + # match any backend.userland.com namespace + uri = u'http://backend.userland.com/rss' + loweruri = uri + if loweruri in self._matchnamespaces: + self.namespacemap[prefix] = self._matchnamespaces[loweruri] + self.namespacesInUse[self._matchnamespaces[loweruri]] = uri + else: + self.namespacesInUse[prefix or ''] = uri + + def resolveURI(self, uri): + return _urljoin(self.baseuri or u'', uri) + + def decodeEntities(self, element, data): + return data + + def strattrs(self, attrs): + return ''.join([' %s="%s"' % (t[0],_xmlescape(t[1],{'"':'"'})) for t in attrs]) + + def push(self, element, expectingText): + self.elementstack.append([element, expectingText, []]) + + def pop(self, element, stripWhitespace=1): + if not self.elementstack: + return + if self.elementstack[-1][0] != element: + return + + element, expectingText, pieces = self.elementstack.pop() + + if self.version == u'atom10' and self.contentparams.get('type', u'text') == u'application/xhtml+xml': + # remove enclosing child element, but only if it is a <div> and + # only if all the remaining content is nested underneath it. + # This means that the divs would be retained in the following: + # <div>foo</div><div>bar</div> + while pieces and len(pieces)>1 and not pieces[-1].strip(): + del pieces[-1] + while pieces and len(pieces)>1 and not pieces[0].strip(): + del pieces[0] + if pieces and (pieces[0] == '<div>' or pieces[0].startswith('<div ')) and pieces[-1]=='</div>': + depth = 0 + for piece in pieces[:-1]: + if piece.startswith('</'): + depth -= 1 + if depth == 0: + break + elif piece.startswith('<') and not piece.endswith('/>'): + depth += 1 + else: + pieces = pieces[1:-1] + + # Ensure each piece is a str for Python 3 + for (i, v) in enumerate(pieces): + if not isinstance(v, unicode): + pieces[i] = v.decode('utf-8') + + output = u''.join(pieces) + if stripWhitespace: + output = output.strip() + if not expectingText: + return output + + # decode base64 content + if base64 and self.contentparams.get('base64', 0): + try: + output = _base64decode(output) + except binascii.Error: + pass + except binascii.Incomplete: + pass + except TypeError: + # In Python 3, base64 takes and outputs bytes, not str + # This may not be the most correct way to accomplish this + output = _base64decode(output.encode('utf-8')).decode('utf-8') + + # resolve relative URIs + if (element in self.can_be_relative_uri) and output: + output = self.resolveURI(output) + + # decode entities within embedded markup + if not self.contentparams.get('base64', 0): + output = self.decodeEntities(element, output) + + # some feed formats require consumers to guess + # whether the content is html or plain text + if not self.version.startswith(u'atom') and self.contentparams.get('type') == u'text/plain': + if self.lookslikehtml(output): + self.contentparams['type'] = u'text/html' + + # remove temporary cruft from contentparams + try: + del self.contentparams['mode'] + except KeyError: + pass + try: + del self.contentparams['base64'] + except KeyError: + pass + + is_htmlish = self.mapContentType(self.contentparams.get('type', u'text/html')) in self.html_types + # resolve relative URIs within embedded markup + if is_htmlish and RESOLVE_RELATIVE_URIS: + if element in self.can_contain_relative_uris: + output = _resolveRelativeURIs(output, self.baseuri, self.encoding, self.contentparams.get('type', u'text/html')) + + # parse microformats + # (must do this before sanitizing because some microformats + # rely on elements that we sanitize) + if PARSE_MICROFORMATS and is_htmlish and element in ['content', 'description', 'summary']: + mfresults = _parseMicroformats(output, self.baseuri, self.encoding) + if mfresults: + for tag in mfresults.get('tags', []): + self._addTag(tag['term'], tag['scheme'], tag['label']) + for enclosure in mfresults.get('enclosures', []): + self._start_enclosure(enclosure) + for xfn in mfresults.get('xfn', []): + self._addXFN(xfn['relationships'], xfn['href'], xfn['name']) + vcard = mfresults.get('vcard') + if vcard: + self._getContext()['vcard'] = vcard + + # sanitize embedded markup + if is_htmlish and SANITIZE_HTML: + if element in self.can_contain_dangerous_markup: + output = _sanitizeHTML(output, self.encoding, self.contentparams.get('type', u'text/html')) + + if self.encoding and not isinstance(output, unicode): + output = output.decode(self.encoding, 'ignore') + + # address common error where people take data that is already + # utf-8, presume that it is iso-8859-1, and re-encode it. + if self.encoding in (u'utf-8', u'utf-8_INVALID_PYTHON_3') and isinstance(output, unicode): + try: + output = output.encode('iso-8859-1').decode('utf-8') + except (UnicodeEncodeError, UnicodeDecodeError): + pass + + # map win-1252 extensions to the proper code points + if isinstance(output, unicode): + output = output.translate(_cp1252) + + # categories/tags/keywords/whatever are handled in _end_category + if element == 'category': + return output + + if element == 'title' and -1 < self.title_depth <= self.depth: + return output + + # store output in appropriate place(s) + if self.inentry and not self.insource: + if element == 'content': + self.entries[-1].setdefault(element, []) + contentparams = copy.deepcopy(self.contentparams) + contentparams['value'] = output + self.entries[-1][element].append(contentparams) + elif element == 'link': + if not self.inimage: + # query variables in urls in link elements are improperly + # converted from `?a=1&b=2` to `?a=1&b;=2` as if they're + # unhandled character references. fix this special case. + output = re.sub("&([A-Za-z0-9_]+);", "&\g<1>", output) + self.entries[-1][element] = output + if output: + self.entries[-1]['links'][-1]['href'] = output + else: + if element == 'description': + element = 'summary' + old_value_depth = self.property_depth_map.setdefault(self.entries[-1], {}).get(element) + if old_value_depth is None or self.depth <= old_value_depth: + self.property_depth_map[self.entries[-1]][element] = self.depth + self.entries[-1][element] = output + if self.incontent: + contentparams = copy.deepcopy(self.contentparams) + contentparams['value'] = output + self.entries[-1][element + '_detail'] = contentparams + elif (self.infeed or self.insource):# and (not self.intextinput) and (not self.inimage): + context = self._getContext() + if element == 'description': + element = 'subtitle' + context[element] = output + if element == 'link': + # fix query variables; see above for the explanation + output = re.sub("&([A-Za-z0-9_]+);", "&\g<1>", output) + context[element] = output + context['links'][-1]['href'] = output + elif self.incontent: + contentparams = copy.deepcopy(self.contentparams) + contentparams['value'] = output + context[element + '_detail'] = contentparams + return output + + def pushContent(self, tag, attrsD, defaultContentType, expectingText): + self.incontent += 1 + if self.lang: + self.lang=self.lang.replace('_','-') + self.contentparams = FeedParserDict({ + 'type': self.mapContentType(attrsD.get('type', defaultContentType)), + 'language': self.lang, + 'base': self.baseuri}) + self.contentparams['base64'] = self._isBase64(attrsD, self.contentparams) + self.push(tag, expectingText) + + def popContent(self, tag): + value = self.pop(tag) + self.incontent -= 1 + self.contentparams.clear() + return value + + # a number of elements in a number of RSS variants are nominally plain + # text, but this is routinely ignored. This is an attempt to detect + # the most common cases. As false positives often result in silent + # data loss, this function errs on the conservative side. + @staticmethod + def lookslikehtml(s): + # must have a close tag or an entity reference to qualify + if not (re.search(r'</(\w+)>',s) or re.search("&#?\w+;",s)): + return + + # all tags must be in a restricted subset of valid HTML tags + if filter(lambda t: t.lower() not in _HTMLSanitizer.acceptable_elements, + re.findall(r'</?(\w+)',s)): + return + + # all entities must have been defined as valid HTML entities + if filter(lambda e: e not in entitydefs.keys(), re.findall(r'&(\w+);', s)): + return + + return 1 + + def _mapToStandardPrefix(self, name): + colonpos = name.find(':') + if colonpos <> -1: + prefix = name[:colonpos] + suffix = name[colonpos+1:] + prefix = self.namespacemap.get(prefix, prefix) + name = prefix + ':' + suffix + return name + + def _getAttribute(self, attrsD, name): + return attrsD.get(self._mapToStandardPrefix(name)) + + def _isBase64(self, attrsD, contentparams): + if attrsD.get('mode', '') == 'base64': + return 1 + if self.contentparams['type'].startswith(u'text/'): + return 0 + if self.contentparams['type'].endswith(u'+xml'): + return 0 + if self.contentparams['type'].endswith(u'/xml'): + return 0 + return 1 + + def _itsAnHrefDamnIt(self, attrsD): + href = attrsD.get('url', attrsD.get('uri', attrsD.get('href', None))) + if href: + try: + del attrsD['url'] + except KeyError: + pass + try: + del attrsD['uri'] + except KeyError: + pass + attrsD['href'] = href + return attrsD + + def _save(self, key, value, overwrite=False): + context = self._getContext() + if overwrite: + context[key] = value + else: + context.setdefault(key, value) + + def _start_rss(self, attrsD): + versionmap = {'0.91': u'rss091u', + '0.92': u'rss092', + '0.93': u'rss093', + '0.94': u'rss094'} + #If we're here then this is an RSS feed. + #If we don't have a version or have a version that starts with something + #other than RSS then there's been a mistake. Correct it. + if not self.version or not self.version.startswith(u'rss'): + attr_version = attrsD.get('version', '') + version = versionmap.get(attr_version) + if version: + self.version = version + elif attr_version.startswith('2.'): + self.version = u'rss20' + else: + self.version = u'rss' + + def _start_channel(self, attrsD): + self.infeed = 1 + self._cdf_common(attrsD) + + def _cdf_common(self, attrsD): + if 'lastmod' in attrsD: + self._start_modified({}) + self.elementstack[-1][-1] = attrsD['lastmod'] + self._end_modified() + if 'href' in attrsD: + self._start_link({}) + self.elementstack[-1][-1] = attrsD['href'] + self._end_link() + + def _start_feed(self, attrsD): + self.infeed = 1 + versionmap = {'0.1': u'atom01', + '0.2': u'atom02', + '0.3': u'atom03'} + if not self.version: + attr_version = attrsD.get('version') + version = versionmap.get(attr_version) + if version: + self.version = version + else: + self.version = u'atom' + + def _end_channel(self): + self.infeed = 0 + _end_feed = _end_channel + + def _start_image(self, attrsD): + context = self._getContext() + if not self.inentry: + context.setdefault('image', FeedParserDict()) + self.inimage = 1 + self.title_depth = -1 + self.push('image', 0) + + def _end_image(self): + self.pop('image') + self.inimage = 0 + + def _start_textinput(self, attrsD): + context = self._getContext() + context.setdefault('textinput', FeedParserDict()) + self.intextinput = 1 + self.title_depth = -1 + self.push('textinput', 0) + _start_textInput = _start_textinput + + def _end_textinput(self): + self.pop('textinput') + self.intextinput = 0 + _end_textInput = _end_textinput + + def _start_author(self, attrsD): + self.inauthor = 1 + self.push('author', 1) + # Append a new FeedParserDict when expecting an author + context = self._getContext() + context.setdefault('authors', []) + context['authors'].append(FeedParserDict()) + _start_managingeditor = _start_author + _start_dc_author = _start_author + _start_dc_creator = _start_author + _start_itunes_author = _start_author + + def _end_author(self): + self.pop('author') + self.inauthor = 0 + self._sync_author_detail() + _end_managingeditor = _end_author + _end_dc_author = _end_author + _end_dc_creator = _end_author + _end_itunes_author = _end_author + + def _start_itunes_owner(self, attrsD): + self.inpublisher = 1 + self.push('publisher', 0) + + def _end_itunes_owner(self): + self.pop('publisher') + self.inpublisher = 0 + self._sync_author_detail('publisher') + + def _start_contributor(self, attrsD): + self.incontributor = 1 + context = self._getContext() + context.setdefault('contributors', []) + context['contributors'].append(FeedParserDict()) + self.push('contributor', 0) + + def _end_contributor(self): + self.pop('contributor') + self.incontributor = 0 + + def _start_dc_contributor(self, attrsD): + self.incontributor = 1 + context = self._getContext() + context.setdefault('contributors', []) + context['contributors'].append(FeedParserDict()) + self.push('name', 0) + + def _end_dc_contributor(self): + self._end_name() + self.incontributor = 0 + + def _start_name(self, attrsD): + self.push('name', 0) + _start_itunes_name = _start_name + + def _end_name(self): + value = self.pop('name') + if self.inpublisher: + self._save_author('name', value, 'publisher') + elif self.inauthor: + self._save_author('name', value) + elif self.incontributor: + self._save_contributor('name', value) + elif self.intextinput: + context = self._getContext() + context['name'] = value + _end_itunes_name = _end_name + + def _start_width(self, attrsD): + self.push('width', 0) + + def _end_width(self): + value = self.pop('width') + try: + value = int(value) + except ValueError: + value = 0 + if self.inimage: + context = self._getContext() + context['width'] = value + + def _start_height(self, attrsD): + self.push('height', 0) + + def _end_height(self): + value = self.pop('height') + try: + value = int(value) + except ValueError: + value = 0 + if self.inimage: + context = self._getContext() + context['height'] = value + + def _start_url(self, attrsD): + self.push('href', 1) + _start_homepage = _start_url + _start_uri = _start_url + + def _end_url(self): + value = self.pop('href') + if self.inauthor: + self._save_author('href', value) + elif self.incontributor: + self._save_contributor('href', value) + _end_homepage = _end_url + _end_uri = _end_url + + def _start_email(self, attrsD): + self.push('email', 0) + _start_itunes_email = _start_email + + def _end_email(self): + value = self.pop('email') + if self.inpublisher: + self._save_author('email', value, 'publisher') + elif self.inauthor: + self._save_author('email', value) + elif self.incontributor: + self._save_contributor('email', value) + _end_itunes_email = _end_email + + def _getContext(self): + if self.insource: + context = self.sourcedata + elif self.inimage and 'image' in self.feeddata: + context = self.feeddata['image'] + elif self.intextinput: + context = self.feeddata['textinput'] + elif self.inentry: + context = self.entries[-1] + else: + context = self.feeddata + return context + + def _save_author(self, key, value, prefix='author'): + context = self._getContext() + context.setdefault(prefix + '_detail', FeedParserDict()) + context[prefix + '_detail'][key] = value + self._sync_author_detail() + context.setdefault('authors', [FeedParserDict()]) + context['authors'][-1][key] = value + + def _save_contributor(self, key, value): + context = self._getContext() + context.setdefault('contributors', [FeedParserDict()]) + context['contributors'][-1][key] = value + + def _sync_author_detail(self, key='author'): + context = self._getContext() + detail = context.get('%s_detail' % key) + if detail: + name = detail.get('name') + email = detail.get('email') + if name and email: + context[key] = u'%s (%s)' % (name, email) + elif name: + context[key] = name + elif email: + context[key] = email + else: + author, email = context.get(key), None + if not author: + return + emailmatch = re.search(ur'''(([a-zA-Z0-9\_\-\.\+]+)@((\[[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.)|(([a-zA-Z0-9\-]+\.)+))([a-zA-Z]{2,4}|[0-9]{1,3})(\]?))(\?subject=\S+)?''', author) + if emailmatch: + email = emailmatch.group(0) + # probably a better way to do the following, but it passes all the tests + author = author.replace(email, u'') + author = author.replace(u'()', u'') + author = author.replace(u'<>', u'') + author = author.replace(u'<>', u'') + author = author.strip() + if author and (author[0] == u'('): + author = author[1:] + if author and (author[-1] == u')'): + author = author[:-1] + author = author.strip() + if author or email: + context.setdefault('%s_detail' % key, FeedParserDict()) + if author: + context['%s_detail' % key]['name'] = author + if email: + context['%s_detail' % key]['email'] = email + + def _start_subtitle(self, attrsD): + self.pushContent('subtitle', attrsD, u'text/plain', 1) + _start_tagline = _start_subtitle + _start_itunes_subtitle = _start_subtitle + + def _end_subtitle(self): + self.popContent('subtitle') + _end_tagline = _end_subtitle + _end_itunes_subtitle = _end_subtitle + + def _start_rights(self, attrsD): + self.pushContent('rights', attrsD, u'text/plain', 1) + _start_dc_rights = _start_rights + _start_copyright = _start_rights + + def _end_rights(self): + self.popContent('rights') + _end_dc_rights = _end_rights + _end_copyright = _end_rights + + def _start_item(self, attrsD): + self.entries.append(FeedParserDict()) + self.push('item', 0) + self.inentry = 1 + self.guidislink = 0 + self.title_depth = -1 + id = self._getAttribute(attrsD, 'rdf:about') + if id: + context = self._getContext() + context['id'] = id + self._cdf_common(attrsD) + _start_entry = _start_item + + def _end_item(self): + self.pop('item') + self.inentry = 0 + _end_entry = _end_item + + def _start_dc_language(self, attrsD): + self.push('language', 1) + _start_language = _start_dc_language + + def _end_dc_language(self): + self.lang = self.pop('language') + _end_language = _end_dc_language + + def _start_dc_publisher(self, attrsD): + self.push('publisher', 1) + _start_webmaster = _start_dc_publisher + + def _end_dc_publisher(self): + self.pop('publisher') + self._sync_author_detail('publisher') + _end_webmaster = _end_dc_publisher + + def _start_published(self, attrsD): + self.push('published', 1) + _start_dcterms_issued = _start_published + _start_issued = _start_published + _start_pubdate = _start_published + + def _end_published(self): + value = self.pop('published') + self._save('published_parsed', _parse_date(value), overwrite=True) + _end_dcterms_issued = _end_published + _end_issued = _end_published + _end_pubdate = _end_published + + def _start_updated(self, attrsD): + self.push('updated', 1) + _start_modified = _start_updated + _start_dcterms_modified = _start_updated + _start_dc_date = _start_updated + _start_lastbuilddate = _start_updated + + def _end_updated(self): + value = self.pop('updated') + parsed_value = _parse_date(value) + self._save('updated_parsed', parsed_value, overwrite=True) + _end_modified = _end_updated + _end_dcterms_modified = _end_updated + _end_dc_date = _end_updated + _end_lastbuilddate = _end_updated + + def _start_created(self, attrsD): + self.push('created', 1) + _start_dcterms_created = _start_created + + def _end_created(self): + value = self.pop('created') + self._save('created_parsed', _parse_date(value), overwrite=True) + _end_dcterms_created = _end_created + + def _start_expirationdate(self, attrsD): + self.push('expired', 1) + + def _end_expirationdate(self): + self._save('expired_parsed', _parse_date(self.pop('expired')), overwrite=True) + + def _start_cc_license(self, attrsD): + context = self._getContext() + value = self._getAttribute(attrsD, 'rdf:resource') + attrsD = FeedParserDict() + attrsD['rel'] = u'license' + if value: + attrsD['href']=value + context.setdefault('links', []).append(attrsD) + + def _start_creativecommons_license(self, attrsD): + self.push('license', 1) + _start_creativeCommons_license = _start_creativecommons_license + + def _end_creativecommons_license(self): + value = self.pop('license') + context = self._getContext() + attrsD = FeedParserDict() + attrsD['rel'] = u'license' + if value: + attrsD['href'] = value + context.setdefault('links', []).append(attrsD) + del context['license'] + _end_creativeCommons_license = _end_creativecommons_license + + def _addXFN(self, relationships, href, name): + context = self._getContext() + xfn = context.setdefault('xfn', []) + value = FeedParserDict({'relationships': relationships, 'href': href, 'name': name}) + if value not in xfn: + xfn.append(value) + + def _addTag(self, term, scheme, label): + context = self._getContext() + tags = context.setdefault('tags', []) + if (not term) and (not scheme) and (not label): + return + value = FeedParserDict({'term': term, 'scheme': scheme, 'label': label}) + if value not in tags: + tags.append(value) + + def _start_category(self, attrsD): + term = attrsD.get('term') + scheme = attrsD.get('scheme', attrsD.get('domain')) + label = attrsD.get('label') + self._addTag(term, scheme, label) + self.push('category', 1) + _start_dc_subject = _start_category + _start_keywords = _start_category + + def _start_media_category(self, attrsD): + attrsD.setdefault('scheme', u'http://search.yahoo.com/mrss/category_schema') + self._start_category(attrsD) + + def _end_itunes_keywords(self): + for term in self.pop('itunes_keywords').split(','): + if term.strip(): + self._addTag(term.strip(), u'http://www.itunes.com/', None) + + def _start_itunes_category(self, attrsD): + self._addTag(attrsD.get('text'), u'http://www.itunes.com/', None) + self.push('category', 1) + + def _end_category(self): + value = self.pop('category') + if not value: + return + context = self._getContext() + tags = context['tags'] + if value and len(tags) and not tags[-1]['term']: + tags[-1]['term'] = value + else: + self._addTag(value, None, None) + _end_dc_subject = _end_category + _end_keywords = _end_category + _end_itunes_category = _end_category + _end_media_category = _end_category + + def _start_cloud(self, attrsD): + self._getContext()['cloud'] = FeedParserDict(attrsD) + + def _start_link(self, attrsD): + attrsD.setdefault('rel', u'alternate') + if attrsD['rel'] == u'self': + attrsD.setdefault('type', u'application/atom+xml') + else: + attrsD.setdefault('type', u'text/html') + context = self._getContext() + attrsD = self._itsAnHrefDamnIt(attrsD) + if 'href' in attrsD: + attrsD['href'] = self.resolveURI(attrsD['href']) + expectingText = self.infeed or self.inentry or self.insource + context.setdefault('links', []) + if not (self.inentry and self.inimage): + context['links'].append(FeedParserDict(attrsD)) + if 'href' in attrsD: + expectingText = 0 + if (attrsD.get('rel') == u'alternate') and (self.mapContentType(attrsD.get('type')) in self.html_types): + context['link'] = attrsD['href'] + else: + self.push('link', expectingText) + + def _end_link(self): + value = self.pop('link') + + def _start_guid(self, attrsD): + self.guidislink = (attrsD.get('ispermalink', 'true') == 'true') + self.push('id', 1) + _start_id = _start_guid + + def _end_guid(self): + value = self.pop('id') + self._save('guidislink', self.guidislink and 'link' not in self._getContext()) + if self.guidislink: + # guid acts as link, but only if 'ispermalink' is not present or is 'true', + # and only if the item doesn't already have a link element + self._save('link', value) + _end_id = _end_guid + + def _start_title(self, attrsD): + if self.svgOK: + return self.unknown_starttag('title', attrsD.items()) + self.pushContent('title', attrsD, u'text/plain', self.infeed or self.inentry or self.insource) + _start_dc_title = _start_title + _start_media_title = _start_title + + def _end_title(self): + if self.svgOK: + return + value = self.popContent('title') + if not value: + return + self.title_depth = self.depth + _end_dc_title = _end_title + + def _end_media_title(self): + title_depth = self.title_depth + self._end_title() + self.title_depth = title_depth + + def _start_description(self, attrsD): + context = self._getContext() + if 'summary' in context: + self._summaryKey = 'content' + self._start_content(attrsD) + else: + self.pushContent('description', attrsD, u'text/html', self.infeed or self.inentry or self.insource) + _start_dc_description = _start_description + + def _start_abstract(self, attrsD): + self.pushContent('description', attrsD, u'text/plain', self.infeed or self.inentry or self.insource) + + def _end_description(self): + if self._summaryKey == 'content': + self._end_content() + else: + value = self.popContent('description') + self._summaryKey = None + _end_abstract = _end_description + _end_dc_description = _end_description + + def _start_info(self, attrsD): + self.pushContent('info', attrsD, u'text/plain', 1) + _start_feedburner_browserfriendly = _start_info + + def _end_info(self): + self.popContent('info') + _end_feedburner_browserfriendly = _end_info + + def _start_generator(self, attrsD): + if attrsD: + attrsD = self._itsAnHrefDamnIt(attrsD) + if 'href' in attrsD: + attrsD['href'] = self.resolveURI(attrsD['href']) + self._getContext()['generator_detail'] = FeedParserDict(attrsD) + self.push('generator', 1) + + def _end_generator(self): + value = self.pop('generator') + context = self._getContext() + if 'generator_detail' in context: + context['generator_detail']['name'] = value + + def _start_admin_generatoragent(self, attrsD): + self.push('generator', 1) + value = self._getAttribute(attrsD, 'rdf:resource') + if value: + self.elementstack[-1][2].append(value) + self.pop('generator') + self._getContext()['generator_detail'] = FeedParserDict({'href': value}) + + def _start_admin_errorreportsto(self, attrsD): + self.push('errorreportsto', 1) + value = self._getAttribute(attrsD, 'rdf:resource') + if value: + self.elementstack[-1][2].append(value) + self.pop('errorreportsto') + + def _start_summary(self, attrsD): + context = self._getContext() + if 'summary' in context: + self._summaryKey = 'content' + self._start_content(attrsD) + else: + self._summaryKey = 'summary' + self.pushContent(self._summaryKey, attrsD, u'text/plain', 1) + _start_itunes_summary = _start_summary + + def _end_summary(self): + if self._summaryKey == 'content': + self._end_content() + else: + self.popContent(self._summaryKey or 'summary') + self._summaryKey = None + _end_itunes_summary = _end_summary + + def _start_enclosure(self, attrsD): + attrsD = self._itsAnHrefDamnIt(attrsD) + context = self._getContext() + attrsD['rel'] = u'enclosure' + context.setdefault('links', []).append(FeedParserDict(attrsD)) + + def _start_source(self, attrsD): + if 'url' in attrsD: + # This means that we're processing a source element from an RSS 2.0 feed + self.sourcedata['href'] = attrsD[u'url'] + self.push('source', 1) + self.insource = 1 + self.title_depth = -1 + + def _end_source(self): + self.insource = 0 + value = self.pop('source') + if value: + self.sourcedata['title'] = value + self._getContext()['source'] = copy.deepcopy(self.sourcedata) + self.sourcedata.clear() + + def _start_content(self, attrsD): + self.pushContent('content', attrsD, u'text/plain', 1) + src = attrsD.get('src') + if src: + self.contentparams['src'] = src + self.push('content', 1) + + def _start_body(self, attrsD): + self.pushContent('content', attrsD, u'application/xhtml+xml', 1) + _start_xhtml_body = _start_body + + def _start_content_encoded(self, attrsD): + self.pushContent('content', attrsD, u'text/html', 1) + _start_fullitem = _start_content_encoded + + def _end_content(self): + copyToSummary = self.mapContentType(self.contentparams.get('type')) in ([u'text/plain'] + self.html_types) + value = self.popContent('content') + if copyToSummary: + self._save('summary', value) + + _end_body = _end_content + _end_xhtml_body = _end_content + _end_content_encoded = _end_content + _end_fullitem = _end_content + + def _start_itunes_image(self, attrsD): + self.push('itunes_image', 0) + if attrsD.get('href'): + self._getContext()['image'] = FeedParserDict({'href': attrsD.get('href')}) + elif attrsD.get('url'): + self._getContext()['image'] = FeedParserDict({'href': attrsD.get('url')}) + _start_itunes_link = _start_itunes_image + + def _end_itunes_block(self): + value = self.pop('itunes_block', 0) + self._getContext()['itunes_block'] = (value == 'yes') and 1 or 0 + + def _end_itunes_explicit(self): + value = self.pop('itunes_explicit', 0) + # Convert 'yes' -> True, 'clean' to False, and any other value to None + # False and None both evaluate as False, so the difference can be ignored + # by applications that only need to know if the content is explicit. + self._getContext()['itunes_explicit'] = (None, False, True)[(value == 'yes' and 2) or value == 'clean' or 0] + + def _start_media_content(self, attrsD): + context = self._getContext() + context.setdefault('media_content', []) + context['media_content'].append(attrsD) + + def _start_media_thumbnail(self, attrsD): + context = self._getContext() + context.setdefault('media_thumbnail', []) + self.push('url', 1) # new + context['media_thumbnail'].append(attrsD) + + def _end_media_thumbnail(self): + url = self.pop('url') + context = self._getContext() + if url != None and len(url.strip()) != 0: + if 'url' not in context['media_thumbnail'][-1]: + context['media_thumbnail'][-1]['url'] = url + + def _start_media_player(self, attrsD): + self.push('media_player', 0) + self._getContext()['media_player'] = FeedParserDict(attrsD) + + def _end_media_player(self): + value = self.pop('media_player') + context = self._getContext() + context['media_player']['content'] = value + + def _start_newlocation(self, attrsD): + self.push('newlocation', 1) + + def _end_newlocation(self): + url = self.pop('newlocation') + context = self._getContext() + # don't set newlocation if the context isn't right + if context is not self.feeddata: + return + context['newlocation'] = _makeSafeAbsoluteURI(self.baseuri, url.strip()) + +if _XML_AVAILABLE: + class _StrictFeedParser(_FeedParserMixin, xml.sax.handler.ContentHandler): + def __init__(self, baseuri, baselang, encoding): + xml.sax.handler.ContentHandler.__init__(self) + _FeedParserMixin.__init__(self, baseuri, baselang, encoding) + self.bozo = 0 + self.exc = None + self.decls = {} + + def startPrefixMapping(self, prefix, uri): + if not uri: + return + # Jython uses '' instead of None; standardize on None + prefix = prefix or None + self.trackNamespace(prefix, uri) + if prefix and uri == 'http://www.w3.org/1999/xlink': + self.decls['xmlns:' + prefix] = uri + + def startElementNS(self, name, qname, attrs): + namespace, localname = name + lowernamespace = str(namespace or '').lower() + if lowernamespace.find(u'backend.userland.com/rss') <> -1: + # match any backend.userland.com namespace + namespace = u'http://backend.userland.com/rss' + lowernamespace = namespace + if qname and qname.find(':') > 0: + givenprefix = qname.split(':')[0] + else: + givenprefix = None + prefix = self._matchnamespaces.get(lowernamespace, givenprefix) + if givenprefix and (prefix == None or (prefix == '' and lowernamespace == '')) and givenprefix not in self.namespacesInUse: + raise UndeclaredNamespace, "'%s' is not associated with a namespace" % givenprefix + localname = str(localname).lower() + + # qname implementation is horribly broken in Python 2.1 (it + # doesn't report any), and slightly broken in Python 2.2 (it + # doesn't report the xml: namespace). So we match up namespaces + # with a known list first, and then possibly override them with + # the qnames the SAX parser gives us (if indeed it gives us any + # at all). Thanks to MatejC for helping me test this and + # tirelessly telling me that it didn't work yet. + attrsD, self.decls = self.decls, {} + if localname=='math' and namespace=='http://www.w3.org/1998/Math/MathML': + attrsD['xmlns']=namespace + if localname=='svg' and namespace=='http://www.w3.org/2000/svg': + attrsD['xmlns']=namespace + + if prefix: + localname = prefix.lower() + ':' + localname + elif namespace and not qname: #Expat + for name,value in self.namespacesInUse.items(): + if name and value == namespace: + localname = name + ':' + localname + break + + for (namespace, attrlocalname), attrvalue in attrs.items(): + lowernamespace = (namespace or '').lower() + prefix = self._matchnamespaces.get(lowernamespace, '') + if prefix: + attrlocalname = prefix + ':' + attrlocalname + attrsD[str(attrlocalname).lower()] = attrvalue + for qname in attrs.getQNames(): + attrsD[str(qname).lower()] = attrs.getValueByQName(qname) + self.unknown_starttag(localname, attrsD.items()) + + def characters(self, text): + self.handle_data(text) + + def endElementNS(self, name, qname): + namespace, localname = name + lowernamespace = str(namespace or '').lower() + if qname and qname.find(':') > 0: + givenprefix = qname.split(':')[0] + else: + givenprefix = '' + prefix = self._matchnamespaces.get(lowernamespace, givenprefix) + if prefix: + localname = prefix + ':' + localname + elif namespace and not qname: #Expat + for name,value in self.namespacesInUse.items(): + if name and value == namespace: + localname = name + ':' + localname + break + localname = str(localname).lower() + self.unknown_endtag(localname) + + def error(self, exc): + self.bozo = 1 + self.exc = exc + + # drv_libxml2 calls warning() in some cases + warning = error + + def fatalError(self, exc): + self.error(exc) + raise exc + +class _BaseHTMLProcessor(sgmllib.SGMLParser): + special = re.compile('''[<>'"]''') + bare_ampersand = re.compile("&(?!#\d+;|#x[0-9a-fA-F]+;|\w+;)") + elements_no_end_tag = set([ + 'area', 'base', 'basefont', 'br', 'col', 'command', 'embed', 'frame', + 'hr', 'img', 'input', 'isindex', 'keygen', 'link', 'meta', 'param', + 'source', 'track', 'wbr' + ]) + + def __init__(self, encoding, _type): + self.encoding = encoding + self._type = _type + sgmllib.SGMLParser.__init__(self) + + def reset(self): + self.pieces = [] + sgmllib.SGMLParser.reset(self) + + def _shorttag_replace(self, match): + tag = match.group(1) + if tag in self.elements_no_end_tag: + return '<' + tag + ' />' + else: + return '<' + tag + '></' + tag + '>' + + # By declaring these methods and overriding their compiled code + # with the code from sgmllib, the original code will execute in + # feedparser's scope instead of sgmllib's. This means that the + # `tagfind` and `charref` regular expressions will be found as + # they're declared above, not as they're declared in sgmllib. + def goahead(self, i): + pass + goahead.func_code = sgmllib.SGMLParser.goahead.func_code + + def __parse_starttag(self, i): + pass + __parse_starttag.func_code = sgmllib.SGMLParser.parse_starttag.func_code + + def parse_starttag(self,i): + j = self.__parse_starttag(i) + if self._type == 'application/xhtml+xml': + if j>2 and self.rawdata[j-2:j]=='/>': + self.unknown_endtag(self.lasttag) + return j + + def feed(self, data): + data = re.compile(r'<!((?!DOCTYPE|--|\[))', re.IGNORECASE).sub(r'<!\1', data) + data = re.sub(r'<([^<>\s]+?)\s*/>', self._shorttag_replace, data) + data = data.replace(''', "'") + data = data.replace('"', '"') + try: + bytes + if bytes is str: + raise NameError + self.encoding = self.encoding + u'_INVALID_PYTHON_3' + except NameError: + if self.encoding and isinstance(data, unicode): + data = data.encode(self.encoding) + sgmllib.SGMLParser.feed(self, data) + sgmllib.SGMLParser.close(self) + + def normalize_attrs(self, attrs): + if not attrs: + return attrs + # utility method to be called by descendants + attrs = dict([(k.lower(), v) for k, v in attrs]).items() + attrs = [(k, k in ('rel', 'type') and v.lower() or v) for k, v in attrs] + attrs.sort() + return attrs + + def unknown_starttag(self, tag, attrs): + # called for each start tag + # attrs is a list of (attr, value) tuples + # e.g. for <pre class='screen'>, tag='pre', attrs=[('class', 'screen')] + uattrs = [] + strattrs='' + if attrs: + for key, value in attrs: + value=value.replace('>','>').replace('<','<').replace('"','"') + value = self.bare_ampersand.sub("&", value) + # thanks to Kevin Marks for this breathtaking hack to deal with (valid) high-bit attribute values in UTF-8 feeds + if not isinstance(value, unicode): + value = value.decode(self.encoding, 'ignore') + try: + # Currently, in Python 3 the key is already a str, and cannot be decoded again + uattrs.append((unicode(key, self.encoding), value)) + except TypeError: + uattrs.append((key, value)) + strattrs = u''.join([u' %s="%s"' % (key, value) for key, value in uattrs]) + if self.encoding: + try: + strattrs = strattrs.encode(self.encoding) + except (UnicodeEncodeError, LookupError): + pass + if tag in self.elements_no_end_tag: + self.pieces.append('<%s%s />' % (tag, strattrs)) + else: + self.pieces.append('<%s%s>' % (tag, strattrs)) + + def unknown_endtag(self, tag): + # called for each end tag, e.g. for </pre>, tag will be 'pre' + # Reconstruct the original end tag. + if tag not in self.elements_no_end_tag: + self.pieces.append("</%s>" % tag) + + def handle_charref(self, ref): + # called for each character reference, e.g. for ' ', ref will be '160' + # Reconstruct the original character reference. + ref = ref.lower() + if ref.startswith('x'): + value = int(ref[1:], 16) + else: + value = int(ref) + + if value in _cp1252: + self.pieces.append('&#%s;' % hex(ord(_cp1252[value]))[1:]) + else: + self.pieces.append('&#%s;' % ref) + + def handle_entityref(self, ref): + # called for each entity reference, e.g. for '©', ref will be 'copy' + # Reconstruct the original entity reference. + if ref in name2codepoint or ref == 'apos': + self.pieces.append('&%s;' % ref) + else: + self.pieces.append('&%s' % ref) + + def handle_data(self, text): + # called for each block of plain text, i.e. outside of any tag and + # not containing any character or entity references + # Store the original text verbatim. + self.pieces.append(text) + + def handle_comment(self, text): + # called for each HTML comment, e.g. <!-- insert Javascript code here --> + # Reconstruct the original comment. + self.pieces.append('<!--%s-->' % text) + + def handle_pi(self, text): + # called for each processing instruction, e.g. <?instruction> + # Reconstruct original processing instruction. + self.pieces.append('<?%s>' % text) + + def handle_decl(self, text): + # called for the DOCTYPE, if present, e.g. + # <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" + # "http://www.w3.org/TR/html4/loose.dtd"> + # Reconstruct original DOCTYPE + self.pieces.append('<!%s>' % text) + + _new_declname_match = re.compile(r'[a-zA-Z][-_.a-zA-Z0-9:]*\s*').match + def _scan_name(self, i, declstartpos): + rawdata = self.rawdata + n = len(rawdata) + if i == n: + return None, -1 + m = self._new_declname_match(rawdata, i) + if m: + s = m.group() + name = s.strip() + if (i + len(s)) == n: + return None, -1 # end of buffer + return name.lower(), m.end() + else: + self.handle_data(rawdata) +# self.updatepos(declstartpos, i) + return None, -1 + + def convert_charref(self, name): + return '&#%s;' % name + + def convert_entityref(self, name): + return '&%s;' % name + + def output(self): + '''Return processed HTML as a single string''' + return ''.join([str(p) for p in self.pieces]) + + def parse_declaration(self, i): + try: + return sgmllib.SGMLParser.parse_declaration(self, i) + except sgmllib.SGMLParseError: + # escape the doctype declaration and continue parsing + self.handle_data('<') + return i+1 + +class _LooseFeedParser(_FeedParserMixin, _BaseHTMLProcessor): + def __init__(self, baseuri, baselang, encoding, entities): + sgmllib.SGMLParser.__init__(self) + _FeedParserMixin.__init__(self, baseuri, baselang, encoding) + _BaseHTMLProcessor.__init__(self, encoding, 'application/xhtml+xml') + self.entities=entities + + def decodeEntities(self, element, data): + data = data.replace('<', '<') + data = data.replace('<', '<') + data = data.replace('<', '<') + data = data.replace('>', '>') + data = data.replace('>', '>') + data = data.replace('>', '>') + data = data.replace('&', '&') + data = data.replace('&', '&') + data = data.replace('"', '"') + data = data.replace('"', '"') + data = data.replace(''', ''') + data = data.replace(''', ''') + if not self.contentparams.get('type', u'xml').endswith(u'xml'): + data = data.replace('<', '<') + data = data.replace('>', '>') + data = data.replace('&', '&') + data = data.replace('"', '"') + data = data.replace(''', "'") + return data + + def strattrs(self, attrs): + return ''.join([' %s="%s"' % (n,v.replace('"','"')) for n,v in attrs]) + +class _MicroformatsParser: + STRING = 1 + DATE = 2 + URI = 3 + NODE = 4 + EMAIL = 5 + + known_xfn_relationships = set(['contact', 'acquaintance', 'friend', 'met', 'co-worker', 'coworker', 'colleague', 'co-resident', 'coresident', 'neighbor', 'child', 'parent', 'sibling', 'brother', 'sister', 'spouse', 'wife', 'husband', 'kin', 'relative', 'muse', 'crush', 'date', 'sweetheart', 'me']) + known_binary_extensions = set(['zip','rar','exe','gz','tar','tgz','tbz2','bz2','z','7z','dmg','img','sit','sitx','hqx','deb','rpm','bz2','jar','rar','iso','bin','msi','mp2','mp3','ogg','ogm','mp4','m4v','m4a','avi','wma','wmv']) + + def __init__(self, data, baseuri, encoding): + self.document = BeautifulSoup.BeautifulSoup(data) + self.baseuri = baseuri + self.encoding = encoding + if isinstance(data, unicode): + data = data.encode(encoding) + self.tags = [] + self.enclosures = [] + self.xfn = [] + self.vcard = None + + def vcardEscape(self, s): + if isinstance(s, basestring): + s = s.replace(',', '\\,').replace(';', '\\;').replace('\n', '\\n') + return s + + def vcardFold(self, s): + s = re.sub(';+$', '', s) + sFolded = '' + iMax = 75 + sPrefix = '' + while len(s) > iMax: + sFolded += sPrefix + s[:iMax] + '\n' + s = s[iMax:] + sPrefix = ' ' + iMax = 74 + sFolded += sPrefix + s + return sFolded + + def normalize(self, s): + return re.sub(r'\s+', ' ', s).strip() + + def unique(self, aList): + results = [] + for element in aList: + if element not in results: + results.append(element) + return results + + def toISO8601(self, dt): + return time.strftime('%Y-%m-%dT%H:%M:%SZ', dt) + + def getPropertyValue(self, elmRoot, sProperty, iPropertyType=4, bAllowMultiple=0, bAutoEscape=0): + all = lambda x: 1 + sProperty = sProperty.lower() + bFound = 0 + bNormalize = 1 + propertyMatch = {'class': re.compile(r'\b%s\b' % sProperty)} + if bAllowMultiple and (iPropertyType != self.NODE): + snapResults = [] + containers = elmRoot(['ul', 'ol'], propertyMatch) + for container in containers: + snapResults.extend(container('li')) + bFound = (len(snapResults) != 0) + if not bFound: + snapResults = elmRoot(all, propertyMatch) + bFound = (len(snapResults) != 0) + if (not bFound) and (sProperty == 'value'): + snapResults = elmRoot('pre') + bFound = (len(snapResults) != 0) + bNormalize = not bFound + if not bFound: + snapResults = [elmRoot] + bFound = (len(snapResults) != 0) + arFilter = [] + if sProperty == 'vcard': + snapFilter = elmRoot(all, propertyMatch) + for node in snapFilter: + if node.findParent(all, propertyMatch): + arFilter.append(node) + arResults = [] + for node in snapResults: + if node not in arFilter: + arResults.append(node) + bFound = (len(arResults) != 0) + if not bFound: + if bAllowMultiple: + return [] + elif iPropertyType == self.STRING: + return '' + elif iPropertyType == self.DATE: + return None + elif iPropertyType == self.URI: + return '' + elif iPropertyType == self.NODE: + return None + else: + return None + arValues = [] + for elmResult in arResults: + sValue = None + if iPropertyType == self.NODE: + if bAllowMultiple: + arValues.append(elmResult) + continue + else: + return elmResult + sNodeName = elmResult.name.lower() + if (iPropertyType == self.EMAIL) and (sNodeName == 'a'): + sValue = (elmResult.get('href') or '').split('mailto:').pop().split('?')[0] + if sValue: + sValue = bNormalize and self.normalize(sValue) or sValue.strip() + if (not sValue) and (sNodeName == 'abbr'): + sValue = elmResult.get('title') + if sValue: + sValue = bNormalize and self.normalize(sValue) or sValue.strip() + if (not sValue) and (iPropertyType == self.URI): + if sNodeName == 'a': + sValue = elmResult.get('href') + elif sNodeName == 'img': + sValue = elmResult.get('src') + elif sNodeName == 'object': + sValue = elmResult.get('data') + if sValue: + sValue = bNormalize and self.normalize(sValue) or sValue.strip() + if (not sValue) and (sNodeName == 'img'): + sValue = elmResult.get('alt') + if sValue: + sValue = bNormalize and self.normalize(sValue) or sValue.strip() + if not sValue: + sValue = elmResult.renderContents() + sValue = re.sub(r'<\S[^>]*>', '', sValue) + sValue = sValue.replace('\r\n', '\n') + sValue = sValue.replace('\r', '\n') + if sValue: + sValue = bNormalize and self.normalize(sValue) or sValue.strip() + if not sValue: + continue + if iPropertyType == self.DATE: + sValue = _parse_date_iso8601(sValue) + if bAllowMultiple: + arValues.append(bAutoEscape and self.vcardEscape(sValue) or sValue) + else: + return bAutoEscape and self.vcardEscape(sValue) or sValue + return arValues + + def findVCards(self, elmRoot, bAgentParsing=0): + sVCards = '' + + if not bAgentParsing: + arCards = self.getPropertyValue(elmRoot, 'vcard', bAllowMultiple=1) + else: + arCards = [elmRoot] + + for elmCard in arCards: + arLines = [] + + def processSingleString(sProperty): + sValue = self.getPropertyValue(elmCard, sProperty, self.STRING, bAutoEscape=1).decode(self.encoding) + if sValue: + arLines.append(self.vcardFold(sProperty.upper() + ':' + sValue)) + return sValue or u'' + + def processSingleURI(sProperty): + sValue = self.getPropertyValue(elmCard, sProperty, self.URI) + if sValue: + sContentType = '' + sEncoding = '' + sValueKey = '' + if sValue.startswith('data:'): + sEncoding = ';ENCODING=b' + sContentType = sValue.split(';')[0].split('/').pop() + sValue = sValue.split(',', 1).pop() + else: + elmValue = self.getPropertyValue(elmCard, sProperty) + if elmValue: + if sProperty != 'url': + sValueKey = ';VALUE=uri' + sContentType = elmValue.get('type', '').strip().split('/').pop().strip() + sContentType = sContentType.upper() + if sContentType == 'OCTET-STREAM': + sContentType = '' + if sContentType: + sContentType = ';TYPE=' + sContentType.upper() + arLines.append(self.vcardFold(sProperty.upper() + sEncoding + sContentType + sValueKey + ':' + sValue)) + + def processTypeValue(sProperty, arDefaultType, arForceType=None): + arResults = self.getPropertyValue(elmCard, sProperty, bAllowMultiple=1) + for elmResult in arResults: + arType = self.getPropertyValue(elmResult, 'type', self.STRING, 1, 1) + if arForceType: + arType = self.unique(arForceType + arType) + if not arType: + arType = arDefaultType + sValue = self.getPropertyValue(elmResult, 'value', self.EMAIL, 0) + if sValue: + arLines.append(self.vcardFold(sProperty.upper() + ';TYPE=' + ','.join(arType) + ':' + sValue)) + + # AGENT + # must do this before all other properties because it is destructive + # (removes nested class="vcard" nodes so they don't interfere with + # this vcard's other properties) + arAgent = self.getPropertyValue(elmCard, 'agent', bAllowMultiple=1) + for elmAgent in arAgent: + if re.compile(r'\bvcard\b').search(elmAgent.get('class')): + sAgentValue = self.findVCards(elmAgent, 1) + '\n' + sAgentValue = sAgentValue.replace('\n', '\\n') + sAgentValue = sAgentValue.replace(';', '\\;') + if sAgentValue: + arLines.append(self.vcardFold('AGENT:' + sAgentValue)) + # Completely remove the agent element from the parse tree + elmAgent.extract() + else: + sAgentValue = self.getPropertyValue(elmAgent, 'value', self.URI, bAutoEscape=1); + if sAgentValue: + arLines.append(self.vcardFold('AGENT;VALUE=uri:' + sAgentValue)) + + # FN (full name) + sFN = processSingleString('fn') + + # N (name) + elmName = self.getPropertyValue(elmCard, 'n') + if elmName: + sFamilyName = self.getPropertyValue(elmName, 'family-name', self.STRING, bAutoEscape=1) + sGivenName = self.getPropertyValue(elmName, 'given-name', self.STRING, bAutoEscape=1) + arAdditionalNames = self.getPropertyValue(elmName, 'additional-name', self.STRING, 1, 1) + self.getPropertyValue(elmName, 'additional-names', self.STRING, 1, 1) + arHonorificPrefixes = self.getPropertyValue(elmName, 'honorific-prefix', self.STRING, 1, 1) + self.getPropertyValue(elmName, 'honorific-prefixes', self.STRING, 1, 1) + arHonorificSuffixes = self.getPropertyValue(elmName, 'honorific-suffix', self.STRING, 1, 1) + self.getPropertyValue(elmName, 'honorific-suffixes', self.STRING, 1, 1) + arLines.append(self.vcardFold('N:' + sFamilyName + ';' + + sGivenName + ';' + + ','.join(arAdditionalNames) + ';' + + ','.join(arHonorificPrefixes) + ';' + + ','.join(arHonorificSuffixes))) + elif sFN: + # implied "N" optimization + # http://microformats.org/wiki/hcard#Implied_.22N.22_Optimization + arNames = self.normalize(sFN).split() + if len(arNames) == 2: + bFamilyNameFirst = (arNames[0].endswith(',') or + len(arNames[1]) == 1 or + ((len(arNames[1]) == 2) and (arNames[1].endswith('.')))) + if bFamilyNameFirst: + arLines.append(self.vcardFold('N:' + arNames[0] + ';' + arNames[1])) + else: + arLines.append(self.vcardFold('N:' + arNames[1] + ';' + arNames[0])) + + # SORT-STRING + sSortString = self.getPropertyValue(elmCard, 'sort-string', self.STRING, bAutoEscape=1) + if sSortString: + arLines.append(self.vcardFold('SORT-STRING:' + sSortString)) + + # NICKNAME + arNickname = self.getPropertyValue(elmCard, 'nickname', self.STRING, 1, 1) + if arNickname: + arLines.append(self.vcardFold('NICKNAME:' + ','.join(arNickname))) + + # PHOTO + processSingleURI('photo') + + # BDAY + dtBday = self.getPropertyValue(elmCard, 'bday', self.DATE) + if dtBday: + arLines.append(self.vcardFold('BDAY:' + self.toISO8601(dtBday))) + + # ADR (address) + arAdr = self.getPropertyValue(elmCard, 'adr', bAllowMultiple=1) + for elmAdr in arAdr: + arType = self.getPropertyValue(elmAdr, 'type', self.STRING, 1, 1) + if not arType: + arType = ['intl','postal','parcel','work'] # default adr types, see RFC 2426 section 3.2.1 + sPostOfficeBox = self.getPropertyValue(elmAdr, 'post-office-box', self.STRING, 0, 1) + sExtendedAddress = self.getPropertyValue(elmAdr, 'extended-address', self.STRING, 0, 1) + sStreetAddress = self.getPropertyValue(elmAdr, 'street-address', self.STRING, 0, 1) + sLocality = self.getPropertyValue(elmAdr, 'locality', self.STRING, 0, 1) + sRegion = self.getPropertyValue(elmAdr, 'region', self.STRING, 0, 1) + sPostalCode = self.getPropertyValue(elmAdr, 'postal-code', self.STRING, 0, 1) + sCountryName = self.getPropertyValue(elmAdr, 'country-name', self.STRING, 0, 1) + arLines.append(self.vcardFold('ADR;TYPE=' + ','.join(arType) + ':' + + sPostOfficeBox + ';' + + sExtendedAddress + ';' + + sStreetAddress + ';' + + sLocality + ';' + + sRegion + ';' + + sPostalCode + ';' + + sCountryName)) + + # LABEL + processTypeValue('label', ['intl','postal','parcel','work']) + + # TEL (phone number) + processTypeValue('tel', ['voice']) + + # EMAIL + processTypeValue('email', ['internet'], ['internet']) + + # MAILER + processSingleString('mailer') + + # TZ (timezone) + processSingleString('tz') + + # GEO (geographical information) + elmGeo = self.getPropertyValue(elmCard, 'geo') + if elmGeo: + sLatitude = self.getPropertyValue(elmGeo, 'latitude', self.STRING, 0, 1) + sLongitude = self.getPropertyValue(elmGeo, 'longitude', self.STRING, 0, 1) + arLines.append(self.vcardFold('GEO:' + sLatitude + ';' + sLongitude)) + + # TITLE + processSingleString('title') + + # ROLE + processSingleString('role') + + # LOGO + processSingleURI('logo') + + # ORG (organization) + elmOrg = self.getPropertyValue(elmCard, 'org') + if elmOrg: + sOrganizationName = self.getPropertyValue(elmOrg, 'organization-name', self.STRING, 0, 1) + if not sOrganizationName: + # implied "organization-name" optimization + # http://microformats.org/wiki/hcard#Implied_.22organization-name.22_Optimization + sOrganizationName = self.getPropertyValue(elmCard, 'org', self.STRING, 0, 1) + if sOrganizationName: + arLines.append(self.vcardFold('ORG:' + sOrganizationName)) + else: + arOrganizationUnit = self.getPropertyValue(elmOrg, 'organization-unit', self.STRING, 1, 1) + arLines.append(self.vcardFold('ORG:' + sOrganizationName + ';' + ';'.join(arOrganizationUnit))) + + # CATEGORY + arCategory = self.getPropertyValue(elmCard, 'category', self.STRING, 1, 1) + self.getPropertyValue(elmCard, 'categories', self.STRING, 1, 1) + if arCategory: + arLines.append(self.vcardFold('CATEGORIES:' + ','.join(arCategory))) + + # NOTE + processSingleString('note') + + # REV + processSingleString('rev') + + # SOUND + processSingleURI('sound') + + # UID + processSingleString('uid') + + # URL + processSingleURI('url') + + # CLASS + processSingleString('class') + + # KEY + processSingleURI('key') + + if arLines: + arLines = [u'BEGIN:vCard',u'VERSION:3.0'] + arLines + [u'END:vCard'] + # XXX - this is super ugly; properly fix this with issue 148 + for i, s in enumerate(arLines): + if not isinstance(s, unicode): + arLines[i] = s.decode('utf-8', 'ignore') + sVCards += u'\n'.join(arLines) + u'\n' + + return sVCards.strip() + + def isProbablyDownloadable(self, elm): + attrsD = elm.attrMap + if 'href' not in attrsD: + return 0 + linktype = attrsD.get('type', '').strip() + if linktype.startswith('audio/') or \ + linktype.startswith('video/') or \ + (linktype.startswith('application/') and not linktype.endswith('xml')): + return 1 + try: + path = urlparse.urlparse(attrsD['href'])[2] + except ValueError: + return 0 + if path.find('.') == -1: + return 0 + fileext = path.split('.').pop().lower() + return fileext in self.known_binary_extensions + + def findTags(self): + all = lambda x: 1 + for elm in self.document(all, {'rel': re.compile(r'\btag\b')}): + href = elm.get('href') + if not href: + continue + urlscheme, domain, path, params, query, fragment = \ + urlparse.urlparse(_urljoin(self.baseuri, href)) + segments = path.split('/') + tag = segments.pop() + if not tag: + if segments: + tag = segments.pop() + else: + # there are no tags + continue + tagscheme = urlparse.urlunparse((urlscheme, domain, '/'.join(segments), '', '', '')) + if not tagscheme.endswith('/'): + tagscheme += '/' + self.tags.append(FeedParserDict({"term": tag, "scheme": tagscheme, "label": elm.string or ''})) + + def findEnclosures(self): + all = lambda x: 1 + enclosure_match = re.compile(r'\benclosure\b') + for elm in self.document(all, {'href': re.compile(r'.+')}): + if not enclosure_match.search(elm.get('rel', u'')) and not self.isProbablyDownloadable(elm): + continue + if elm.attrMap not in self.enclosures: + self.enclosures.append(elm.attrMap) + if elm.string and not elm.get('title'): + self.enclosures[-1]['title'] = elm.string + + def findXFN(self): + all = lambda x: 1 + for elm in self.document(all, {'rel': re.compile('.+'), 'href': re.compile('.+')}): + rels = elm.get('rel', u'').split() + xfn_rels = [r for r in rels if r in self.known_xfn_relationships] + if xfn_rels: + self.xfn.append({"relationships": xfn_rels, "href": elm.get('href', ''), "name": elm.string}) + +def _parseMicroformats(htmlSource, baseURI, encoding): + if not BeautifulSoup: + return + try: + p = _MicroformatsParser(htmlSource, baseURI, encoding) + except UnicodeEncodeError: + # sgmllib throws this exception when performing lookups of tags + # with non-ASCII characters in them. + return + p.vcard = p.findVCards(p.document) + p.findTags() + p.findEnclosures() + p.findXFN() + return {"tags": p.tags, "enclosures": p.enclosures, "xfn": p.xfn, "vcard": p.vcard} + +class _RelativeURIResolver(_BaseHTMLProcessor): + relative_uris = set([('a', 'href'), + ('applet', 'codebase'), + ('area', 'href'), + ('blockquote', 'cite'), + ('body', 'background'), + ('del', 'cite'), + ('form', 'action'), + ('frame', 'longdesc'), + ('frame', 'src'), + ('iframe', 'longdesc'), + ('iframe', 'src'), + ('head', 'profile'), + ('img', 'longdesc'), + ('img', 'src'), + ('img', 'usemap'), + ('input', 'src'), + ('input', 'usemap'), + ('ins', 'cite'), + ('link', 'href'), + ('object', 'classid'), + ('object', 'codebase'), + ('object', 'data'), + ('object', 'usemap'), + ('q', 'cite'), + ('script', 'src'), + ('video', 'poster')]) + + def __init__(self, baseuri, encoding, _type): + _BaseHTMLProcessor.__init__(self, encoding, _type) + self.baseuri = baseuri + + def resolveURI(self, uri): + return _makeSafeAbsoluteURI(self.baseuri, uri.strip()) + + def unknown_starttag(self, tag, attrs): + attrs = self.normalize_attrs(attrs) + attrs = [(key, ((tag, key) in self.relative_uris) and self.resolveURI(value) or value) for key, value in attrs] + _BaseHTMLProcessor.unknown_starttag(self, tag, attrs) + +def _resolveRelativeURIs(htmlSource, baseURI, encoding, _type): + if not _SGML_AVAILABLE: + return htmlSource + + p = _RelativeURIResolver(baseURI, encoding, _type) + p.feed(htmlSource) + return p.output() + +def _makeSafeAbsoluteURI(base, rel=None): + # bail if ACCEPTABLE_URI_SCHEMES is empty + if not ACCEPTABLE_URI_SCHEMES: + try: + return _urljoin(base, rel or u'') + except ValueError: + return u'' + if not base: + return rel or u'' + if not rel: + try: + scheme = urlparse.urlparse(base)[0] + except ValueError: + return u'' + if not scheme or scheme in ACCEPTABLE_URI_SCHEMES: + return base + return u'' + try: + uri = _urljoin(base, rel) + except ValueError: + return u'' + if uri.strip().split(':', 1)[0] not in ACCEPTABLE_URI_SCHEMES: + return u'' + return uri + +class _HTMLSanitizer(_BaseHTMLProcessor): + acceptable_elements = set(['a', 'abbr', 'acronym', 'address', 'area', + 'article', 'aside', 'audio', 'b', 'big', 'blockquote', 'br', 'button', + 'canvas', 'caption', 'center', 'cite', 'code', 'col', 'colgroup', + 'command', 'datagrid', 'datalist', 'dd', 'del', 'details', 'dfn', + 'dialog', 'dir', 'div', 'dl', 'dt', 'em', 'event-source', 'fieldset', + 'figcaption', 'figure', 'footer', 'font', 'form', 'header', 'h1', + 'h2', 'h3', 'h4', 'h5', 'h6', 'hr', 'i', 'img', 'input', 'ins', + 'keygen', 'kbd', 'label', 'legend', 'li', 'm', 'map', 'menu', 'meter', + 'multicol', 'nav', 'nextid', 'ol', 'output', 'optgroup', 'option', + 'p', 'pre', 'progress', 'q', 's', 'samp', 'section', 'select', + 'small', 'sound', 'source', 'spacer', 'span', 'strike', 'strong', + 'sub', 'sup', 'table', 'tbody', 'td', 'textarea', 'time', 'tfoot', + 'th', 'thead', 'tr', 'tt', 'u', 'ul', 'var', 'video', 'noscript']) + + acceptable_attributes = set(['abbr', 'accept', 'accept-charset', 'accesskey', + 'action', 'align', 'alt', 'autocomplete', 'autofocus', 'axis', + 'background', 'balance', 'bgcolor', 'bgproperties', 'border', + 'bordercolor', 'bordercolordark', 'bordercolorlight', 'bottompadding', + 'cellpadding', 'cellspacing', 'ch', 'challenge', 'char', 'charoff', + 'choff', 'charset', 'checked', 'cite', 'class', 'clear', 'color', 'cols', + 'colspan', 'compact', 'contenteditable', 'controls', 'coords', 'data', + 'datafld', 'datapagesize', 'datasrc', 'datetime', 'default', 'delay', + 'dir', 'disabled', 'draggable', 'dynsrc', 'enctype', 'end', 'face', 'for', + 'form', 'frame', 'galleryimg', 'gutter', 'headers', 'height', 'hidefocus', + 'hidden', 'high', 'href', 'hreflang', 'hspace', 'icon', 'id', 'inputmode', + 'ismap', 'keytype', 'label', 'leftspacing', 'lang', 'list', 'longdesc', + 'loop', 'loopcount', 'loopend', 'loopstart', 'low', 'lowsrc', 'max', + 'maxlength', 'media', 'method', 'min', 'multiple', 'name', 'nohref', + 'noshade', 'nowrap', 'open', 'optimum', 'pattern', 'ping', 'point-size', + 'poster', 'pqg', 'preload', 'prompt', 'radiogroup', 'readonly', 'rel', + 'repeat-max', 'repeat-min', 'replace', 'required', 'rev', 'rightspacing', + 'rows', 'rowspan', 'rules', 'scope', 'selected', 'shape', 'size', 'span', + 'src', 'start', 'step', 'summary', 'suppress', 'tabindex', 'target', + 'template', 'title', 'toppadding', 'type', 'unselectable', 'usemap', + 'urn', 'valign', 'value', 'variable', 'volume', 'vspace', 'vrml', + 'width', 'wrap', 'xml:lang']) + + unacceptable_elements_with_end_tag = set(['script', 'applet', 'style']) + + acceptable_css_properties = set(['azimuth', 'background-color', + 'border-bottom-color', 'border-collapse', 'border-color', + 'border-left-color', 'border-right-color', 'border-top-color', 'clear', + 'color', 'cursor', 'direction', 'display', 'elevation', 'float', 'font', + 'font-family', 'font-size', 'font-style', 'font-variant', 'font-weight', + 'height', 'letter-spacing', 'line-height', 'overflow', 'pause', + 'pause-after', 'pause-before', 'pitch', 'pitch-range', 'richness', + 'speak', 'speak-header', 'speak-numeral', 'speak-punctuation', + 'speech-rate', 'stress', 'text-align', 'text-decoration', 'text-indent', + 'unicode-bidi', 'vertical-align', 'voice-family', 'volume', + 'white-space', 'width']) + + # survey of common keywords found in feeds + acceptable_css_keywords = set(['auto', 'aqua', 'black', 'block', 'blue', + 'bold', 'both', 'bottom', 'brown', 'center', 'collapse', 'dashed', + 'dotted', 'fuchsia', 'gray', 'green', '!important', 'italic', 'left', + 'lime', 'maroon', 'medium', 'none', 'navy', 'normal', 'nowrap', 'olive', + 'pointer', 'purple', 'red', 'right', 'solid', 'silver', 'teal', 'top', + 'transparent', 'underline', 'white', 'yellow']) + + valid_css_values = re.compile('^(#[0-9a-f]+|rgb\(\d+%?,\d*%?,?\d*%?\)?|' + + '\d{0,2}\.?\d{0,2}(cm|em|ex|in|mm|pc|pt|px|%|,|\))?)$') + + mathml_elements = set(['annotation', 'annotation-xml', 'maction', 'math', + 'merror', 'mfenced', 'mfrac', 'mi', 'mmultiscripts', 'mn', 'mo', 'mover', 'mpadded', + 'mphantom', 'mprescripts', 'mroot', 'mrow', 'mspace', 'msqrt', 'mstyle', + 'msub', 'msubsup', 'msup', 'mtable', 'mtd', 'mtext', 'mtr', 'munder', + 'munderover', 'none', 'semantics']) + + mathml_attributes = set(['actiontype', 'align', 'columnalign', 'columnalign', + 'columnalign', 'close', 'columnlines', 'columnspacing', 'columnspan', 'depth', + 'display', 'displaystyle', 'encoding', 'equalcolumns', 'equalrows', + 'fence', 'fontstyle', 'fontweight', 'frame', 'height', 'linethickness', + 'lspace', 'mathbackground', 'mathcolor', 'mathvariant', 'mathvariant', + 'maxsize', 'minsize', 'open', 'other', 'rowalign', 'rowalign', 'rowalign', + 'rowlines', 'rowspacing', 'rowspan', 'rspace', 'scriptlevel', 'selection', + 'separator', 'separators', 'stretchy', 'width', 'width', 'xlink:href', + 'xlink:show', 'xlink:type', 'xmlns', 'xmlns:xlink']) + + # svgtiny - foreignObject + linearGradient + radialGradient + stop + svg_elements = set(['a', 'animate', 'animateColor', 'animateMotion', + 'animateTransform', 'circle', 'defs', 'desc', 'ellipse', 'foreignObject', + 'font-face', 'font-face-name', 'font-face-src', 'g', 'glyph', 'hkern', + 'linearGradient', 'line', 'marker', 'metadata', 'missing-glyph', 'mpath', + 'path', 'polygon', 'polyline', 'radialGradient', 'rect', 'set', 'stop', + 'svg', 'switch', 'text', 'title', 'tspan', 'use']) + + # svgtiny + class + opacity + offset + xmlns + xmlns:xlink + svg_attributes = set(['accent-height', 'accumulate', 'additive', 'alphabetic', + 'arabic-form', 'ascent', 'attributeName', 'attributeType', + 'baseProfile', 'bbox', 'begin', 'by', 'calcMode', 'cap-height', + 'class', 'color', 'color-rendering', 'content', 'cx', 'cy', 'd', 'dx', + 'dy', 'descent', 'display', 'dur', 'end', 'fill', 'fill-opacity', + 'fill-rule', 'font-family', 'font-size', 'font-stretch', 'font-style', + 'font-variant', 'font-weight', 'from', 'fx', 'fy', 'g1', 'g2', + 'glyph-name', 'gradientUnits', 'hanging', 'height', 'horiz-adv-x', + 'horiz-origin-x', 'id', 'ideographic', 'k', 'keyPoints', 'keySplines', + 'keyTimes', 'lang', 'mathematical', 'marker-end', 'marker-mid', + 'marker-start', 'markerHeight', 'markerUnits', 'markerWidth', 'max', + 'min', 'name', 'offset', 'opacity', 'orient', 'origin', + 'overline-position', 'overline-thickness', 'panose-1', 'path', + 'pathLength', 'points', 'preserveAspectRatio', 'r', 'refX', 'refY', + 'repeatCount', 'repeatDur', 'requiredExtensions', 'requiredFeatures', + 'restart', 'rotate', 'rx', 'ry', 'slope', 'stemh', 'stemv', + 'stop-color', 'stop-opacity', 'strikethrough-position', + 'strikethrough-thickness', 'stroke', 'stroke-dasharray', + 'stroke-dashoffset', 'stroke-linecap', 'stroke-linejoin', + 'stroke-miterlimit', 'stroke-opacity', 'stroke-width', 'systemLanguage', + 'target', 'text-anchor', 'to', 'transform', 'type', 'u1', 'u2', + 'underline-position', 'underline-thickness', 'unicode', 'unicode-range', + 'units-per-em', 'values', 'version', 'viewBox', 'visibility', 'width', + 'widths', 'x', 'x-height', 'x1', 'x2', 'xlink:actuate', 'xlink:arcrole', + 'xlink:href', 'xlink:role', 'xlink:show', 'xlink:title', 'xlink:type', + 'xml:base', 'xml:lang', 'xml:space', 'xmlns', 'xmlns:xlink', 'y', 'y1', + 'y2', 'zoomAndPan']) + + svg_attr_map = None + svg_elem_map = None + + acceptable_svg_properties = set([ 'fill', 'fill-opacity', 'fill-rule', + 'stroke', 'stroke-width', 'stroke-linecap', 'stroke-linejoin', + 'stroke-opacity']) + + def reset(self): + _BaseHTMLProcessor.reset(self) + self.unacceptablestack = 0 + self.mathmlOK = 0 + self.svgOK = 0 + + def unknown_starttag(self, tag, attrs): + acceptable_attributes = self.acceptable_attributes + keymap = {} + if not tag in self.acceptable_elements or self.svgOK: + if tag in self.unacceptable_elements_with_end_tag: + self.unacceptablestack += 1 + + # add implicit namespaces to html5 inline svg/mathml + if self._type.endswith('html'): + if not dict(attrs).get('xmlns'): + if tag=='svg': + attrs.append( ('xmlns','http://www.w3.org/2000/svg') ) + if tag=='math': + attrs.append( ('xmlns','http://www.w3.org/1998/Math/MathML') ) + + # not otherwise acceptable, perhaps it is MathML or SVG? + if tag=='math' and ('xmlns','http://www.w3.org/1998/Math/MathML') in attrs: + self.mathmlOK += 1 + if tag=='svg' and ('xmlns','http://www.w3.org/2000/svg') in attrs: + self.svgOK += 1 + + # chose acceptable attributes based on tag class, else bail + if self.mathmlOK and tag in self.mathml_elements: + acceptable_attributes = self.mathml_attributes + elif self.svgOK and tag in self.svg_elements: + # for most vocabularies, lowercasing is a good idea. Many + # svg elements, however, are camel case + if not self.svg_attr_map: + lower=[attr.lower() for attr in self.svg_attributes] + mix=[a for a in self.svg_attributes if a not in lower] + self.svg_attributes = lower + self.svg_attr_map = dict([(a.lower(),a) for a in mix]) + + lower=[attr.lower() for attr in self.svg_elements] + mix=[a for a in self.svg_elements if a not in lower] + self.svg_elements = lower + self.svg_elem_map = dict([(a.lower(),a) for a in mix]) + acceptable_attributes = self.svg_attributes + tag = self.svg_elem_map.get(tag,tag) + keymap = self.svg_attr_map + elif not tag in self.acceptable_elements: + return + + # declare xlink namespace, if needed + if self.mathmlOK or self.svgOK: + if filter(lambda (n,v): n.startswith('xlink:'),attrs): + if not ('xmlns:xlink','http://www.w3.org/1999/xlink') in attrs: + attrs.append(('xmlns:xlink','http://www.w3.org/1999/xlink')) + + clean_attrs = [] + for key, value in self.normalize_attrs(attrs): + if key in acceptable_attributes: + key=keymap.get(key,key) + # make sure the uri uses an acceptable uri scheme + if key == u'href': + value = _makeSafeAbsoluteURI(value) + clean_attrs.append((key,value)) + elif key=='style': + clean_value = self.sanitize_style(value) + if clean_value: + clean_attrs.append((key,clean_value)) + _BaseHTMLProcessor.unknown_starttag(self, tag, clean_attrs) + + def unknown_endtag(self, tag): + if not tag in self.acceptable_elements: + if tag in self.unacceptable_elements_with_end_tag: + self.unacceptablestack -= 1 + if self.mathmlOK and tag in self.mathml_elements: + if tag == 'math' and self.mathmlOK: + self.mathmlOK -= 1 + elif self.svgOK and tag in self.svg_elements: + tag = self.svg_elem_map.get(tag,tag) + if tag == 'svg' and self.svgOK: + self.svgOK -= 1 + else: + return + _BaseHTMLProcessor.unknown_endtag(self, tag) + + def handle_pi(self, text): + pass + + def handle_decl(self, text): + pass + + def handle_data(self, text): + if not self.unacceptablestack: + _BaseHTMLProcessor.handle_data(self, text) + + def sanitize_style(self, style): + # disallow urls + style=re.compile('url\s*\(\s*[^\s)]+?\s*\)\s*').sub(' ',style) + + # gauntlet + if not re.match("""^([:,;#%.\sa-zA-Z0-9!]|\w-\w|'[\s\w]+'|"[\s\w]+"|\([\d,\s]+\))*$""", style): + return '' + # This replaced a regexp that used re.match and was prone to pathological back-tracking. + if re.sub("\s*[-\w]+\s*:\s*[^:;]*;?", '', style).strip(): + return '' + + clean = [] + for prop,value in re.findall("([-\w]+)\s*:\s*([^:;]*)",style): + if not value: + continue + if prop.lower() in self.acceptable_css_properties: + clean.append(prop + ': ' + value + ';') + elif prop.split('-')[0].lower() in ['background','border','margin','padding']: + for keyword in value.split(): + if not keyword in self.acceptable_css_keywords and \ + not self.valid_css_values.match(keyword): + break + else: + clean.append(prop + ': ' + value + ';') + elif self.svgOK and prop.lower() in self.acceptable_svg_properties: + clean.append(prop + ': ' + value + ';') + + return ' '.join(clean) + + def parse_comment(self, i, report=1): + ret = _BaseHTMLProcessor.parse_comment(self, i, report) + if ret >= 0: + return ret + # if ret == -1, this may be a malicious attempt to circumvent + # sanitization, or a page-destroying unclosed comment + match = re.compile(r'--[^>]*>').search(self.rawdata, i+4) + if match: + return match.end() + # unclosed comment; deliberately fail to handle_data() + return len(self.rawdata) + + +def _sanitizeHTML(htmlSource, encoding, _type): + if not _SGML_AVAILABLE: + return htmlSource + p = _HTMLSanitizer(encoding, _type) + htmlSource = htmlSource.replace('<![CDATA[', '<![CDATA[') + p.feed(htmlSource) + data = p.output() + if TIDY_MARKUP: + # loop through list of preferred Tidy interfaces looking for one that's installed, + # then set up a common _tidy function to wrap the interface-specific API. + _tidy = None + for tidy_interface in PREFERRED_TIDY_INTERFACES: + try: + if tidy_interface == "uTidy": + from tidy import parseString as _utidy + def _tidy(data, **kwargs): + return str(_utidy(data, **kwargs)) + break + elif tidy_interface == "mxTidy": + from mx.Tidy import Tidy as _mxtidy + def _tidy(data, **kwargs): + nerrors, nwarnings, data, errordata = _mxtidy.tidy(data, **kwargs) + return data + break + except: + pass + if _tidy: + utf8 = isinstance(data, unicode) + if utf8: + data = data.encode('utf-8') + data = _tidy(data, output_xhtml=1, numeric_entities=1, wrap=0, char_encoding="utf8") + if utf8: + data = unicode(data, 'utf-8') + if data.count('<body'): + data = data.split('<body', 1)[1] + if data.count('>'): + data = data.split('>', 1)[1] + if data.count('</body'): + data = data.split('</body', 1)[0] + data = data.strip().replace('\r\n', '\n') + return data + +class _FeedURLHandler(urllib2.HTTPDigestAuthHandler, urllib2.HTTPRedirectHandler, urllib2.HTTPDefaultErrorHandler): + def http_error_default(self, req, fp, code, msg, headers): + # The default implementation just raises HTTPError. + # Forget that. + fp.status = code + return fp + + def http_error_301(self, req, fp, code, msg, hdrs): + result = urllib2.HTTPRedirectHandler.http_error_301(self, req, fp, + code, msg, hdrs) + result.status = code + result.newurl = result.geturl() + return result + # The default implementations in urllib2.HTTPRedirectHandler + # are identical, so hardcoding a http_error_301 call above + # won't affect anything + http_error_300 = http_error_301 + http_error_302 = http_error_301 + http_error_303 = http_error_301 + http_error_307 = http_error_301 + + def http_error_401(self, req, fp, code, msg, headers): + # Check if + # - server requires digest auth, AND + # - we tried (unsuccessfully) with basic auth, AND + # If all conditions hold, parse authentication information + # out of the Authorization header we sent the first time + # (for the username and password) and the WWW-Authenticate + # header the server sent back (for the realm) and retry + # the request with the appropriate digest auth headers instead. + # This evil genius hack has been brought to you by Aaron Swartz. + host = urlparse.urlparse(req.get_full_url())[1] + if base64 is None or 'Authorization' not in req.headers \ + or 'WWW-Authenticate' not in headers: + return self.http_error_default(req, fp, code, msg, headers) + auth = _base64decode(req.headers['Authorization'].split(' ')[1]) + user, passw = auth.split(':') + realm = re.findall('realm="([^"]*)"', headers['WWW-Authenticate'])[0] + self.add_password(realm, host, user, passw) + retry = self.http_error_auth_reqed('www-authenticate', host, req, headers) + self.reset_retry_count() + return retry + +def _open_resource(url_file_stream_or_string, etag, modified, agent, referrer, handlers, request_headers): + """URL, filename, or string --> stream + + This function lets you define parsers that take any input source + (URL, pathname to local or network file, or actual data as a string) + and deal with it in a uniform manner. Returned object is guaranteed + to have all the basic stdio read methods (read, readline, readlines). + Just .close() the object when you're done with it. + + If the etag argument is supplied, it will be used as the value of an + If-None-Match request header. + + If the modified argument is supplied, it can be a tuple of 9 integers + (as returned by gmtime() in the standard Python time module) or a date + string in any format supported by feedparser. Regardless, it MUST + be in GMT (Greenwich Mean Time). It will be reformatted into an + RFC 1123-compliant date and used as the value of an If-Modified-Since + request header. + + If the agent argument is supplied, it will be used as the value of a + User-Agent request header. + + If the referrer argument is supplied, it will be used as the value of a + Referer[sic] request header. + + If handlers is supplied, it is a list of handlers used to build a + urllib2 opener. + + if request_headers is supplied it is a dictionary of HTTP request headers + that will override the values generated by FeedParser. + """ + + if hasattr(url_file_stream_or_string, 'read'): + return url_file_stream_or_string + + if isinstance(url_file_stream_or_string, basestring) \ + and urlparse.urlparse(url_file_stream_or_string)[0] in ('http', 'https', 'ftp', 'file', 'feed'): + # Deal with the feed URI scheme + if url_file_stream_or_string.startswith('feed:http'): + url_file_stream_or_string = url_file_stream_or_string[5:] + elif url_file_stream_or_string.startswith('feed:'): + url_file_stream_or_string = 'http:' + url_file_stream_or_string[5:] + if not agent: + agent = USER_AGENT + # Test for inline user:password credentials for HTTP basic auth + auth = None + if base64 and not url_file_stream_or_string.startswith('ftp:'): + urltype, rest = urllib.splittype(url_file_stream_or_string) + realhost, rest = urllib.splithost(rest) + if realhost: + user_passwd, realhost = urllib.splituser(realhost) + if user_passwd: + url_file_stream_or_string = '%s://%s%s' % (urltype, realhost, rest) + auth = base64.standard_b64encode(user_passwd).strip() + + # iri support + if isinstance(url_file_stream_or_string, unicode): + url_file_stream_or_string = _convert_to_idn(url_file_stream_or_string) + + # try to open with urllib2 (to use optional headers) + request = _build_urllib2_request(url_file_stream_or_string, agent, etag, modified, referrer, auth, request_headers) + opener = urllib2.build_opener(*tuple(handlers + [_FeedURLHandler()])) + opener.addheaders = [] # RMK - must clear so we only send our custom User-Agent + try: + return opener.open(request) + finally: + opener.close() # JohnD + + # try to open with native open function (if url_file_stream_or_string is a filename) + try: + return open(url_file_stream_or_string, 'rb') + except (IOError, UnicodeEncodeError, TypeError): + # if url_file_stream_or_string is a unicode object that + # cannot be converted to the encoding returned by + # sys.getfilesystemencoding(), a UnicodeEncodeError + # will be thrown + # If url_file_stream_or_string is a string that contains NULL + # (such as an XML document encoded in UTF-32), TypeError will + # be thrown. + pass + + # treat url_file_stream_or_string as string + if isinstance(url_file_stream_or_string, unicode): + return _StringIO(url_file_stream_or_string.encode('utf-8')) + return _StringIO(url_file_stream_or_string) + +def _convert_to_idn(url): + """Convert a URL to IDN notation""" + # this function should only be called with a unicode string + # strategy: if the host cannot be encoded in ascii, then + # it'll be necessary to encode it in idn form + parts = list(urlparse.urlsplit(url)) + try: + parts[1].encode('ascii') + except UnicodeEncodeError: + # the url needs to be converted to idn notation + host = parts[1].rsplit(':', 1) + newhost = [] + port = u'' + if len(host) == 2: + port = host.pop() + for h in host[0].split('.'): + newhost.append(h.encode('idna').decode('utf-8')) + parts[1] = '.'.join(newhost) + if port: + parts[1] += ':' + port + return urlparse.urlunsplit(parts) + else: + return url + +def _build_urllib2_request(url, agent, etag, modified, referrer, auth, request_headers): + request = urllib2.Request(url) + request.add_header('User-Agent', agent) + if etag: + request.add_header('If-None-Match', etag) + if isinstance(modified, basestring): + modified = _parse_date(modified) + elif isinstance(modified, datetime.datetime): + modified = modified.utctimetuple() + if modified: + # format into an RFC 1123-compliant timestamp. We can't use + # time.strftime() since the %a and %b directives can be affected + # by the current locale, but RFC 2616 states that dates must be + # in English. + short_weekdays = ['Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat', 'Sun'] + months = ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec'] + request.add_header('If-Modified-Since', '%s, %02d %s %04d %02d:%02d:%02d GMT' % (short_weekdays[modified[6]], modified[2], months[modified[1] - 1], modified[0], modified[3], modified[4], modified[5])) + if referrer: + request.add_header('Referer', referrer) + if gzip and zlib: + request.add_header('Accept-encoding', 'gzip, deflate') + elif gzip: + request.add_header('Accept-encoding', 'gzip') + elif zlib: + request.add_header('Accept-encoding', 'deflate') + else: + request.add_header('Accept-encoding', '') + if auth: + request.add_header('Authorization', 'Basic %s' % auth) + if ACCEPT_HEADER: + request.add_header('Accept', ACCEPT_HEADER) + # use this for whatever -- cookies, special headers, etc + # [('Cookie','Something'),('x-special-header','Another Value')] + for header_name, header_value in request_headers.items(): + request.add_header(header_name, header_value) + request.add_header('A-IM', 'feed') # RFC 3229 support + return request + +_date_handlers = [] +def registerDateHandler(func): + '''Register a date handler function (takes string, returns 9-tuple date in GMT)''' + _date_handlers.insert(0, func) + +# ISO-8601 date parsing routines written by Fazal Majid. +# The ISO 8601 standard is very convoluted and irregular - a full ISO 8601 +# parser is beyond the scope of feedparser and would be a worthwhile addition +# to the Python library. +# A single regular expression cannot parse ISO 8601 date formats into groups +# as the standard is highly irregular (for instance is 030104 2003-01-04 or +# 0301-04-01), so we use templates instead. +# Please note the order in templates is significant because we need a +# greedy match. +_iso8601_tmpl = ['YYYY-?MM-?DD', 'YYYY-0MM?-?DD', 'YYYY-MM', 'YYYY-?OOO', + 'YY-?MM-?DD', 'YY-?OOO', 'YYYY', + '-YY-?MM', '-OOO', '-YY', + '--MM-?DD', '--MM', + '---DD', + 'CC', ''] +_iso8601_re = [ + tmpl.replace( + 'YYYY', r'(?P<year>\d{4})').replace( + 'YY', r'(?P<year>\d\d)').replace( + 'MM', r'(?P<month>[01]\d)').replace( + 'DD', r'(?P<day>[0123]\d)').replace( + 'OOO', r'(?P<ordinal>[0123]\d\d)').replace( + 'CC', r'(?P<century>\d\d$)') + + r'(T?(?P<hour>\d{2}):(?P<minute>\d{2})' + + r'(:(?P<second>\d{2}))?' + + r'(\.(?P<fracsecond>\d+))?' + + r'(?P<tz>[+-](?P<tzhour>\d{2})(:(?P<tzmin>\d{2}))?|Z)?)?' + for tmpl in _iso8601_tmpl] +try: + del tmpl +except NameError: + pass +_iso8601_matches = [re.compile(regex).match for regex in _iso8601_re] +try: + del regex +except NameError: + pass +def _parse_date_iso8601(dateString): + '''Parse a variety of ISO-8601-compatible formats like 20040105''' + m = None + for _iso8601_match in _iso8601_matches: + m = _iso8601_match(dateString) + if m: + break + if not m: + return + if m.span() == (0, 0): + return + params = m.groupdict() + ordinal = params.get('ordinal', 0) + if ordinal: + ordinal = int(ordinal) + else: + ordinal = 0 + year = params.get('year', '--') + if not year or year == '--': + year = time.gmtime()[0] + elif len(year) == 2: + # ISO 8601 assumes current century, i.e. 93 -> 2093, NOT 1993 + year = 100 * int(time.gmtime()[0] / 100) + int(year) + else: + year = int(year) + month = params.get('month', '-') + if not month or month == '-': + # ordinals are NOT normalized by mktime, we simulate them + # by setting month=1, day=ordinal + if ordinal: + month = 1 + else: + month = time.gmtime()[1] + month = int(month) + day = params.get('day', 0) + if not day: + # see above + if ordinal: + day = ordinal + elif params.get('century', 0) or \ + params.get('year', 0) or params.get('month', 0): + day = 1 + else: + day = time.gmtime()[2] + else: + day = int(day) + # special case of the century - is the first year of the 21st century + # 2000 or 2001 ? The debate goes on... + if 'century' in params: + year = (int(params['century']) - 1) * 100 + 1 + # in ISO 8601 most fields are optional + for field in ['hour', 'minute', 'second', 'tzhour', 'tzmin']: + if not params.get(field, None): + params[field] = 0 + hour = int(params.get('hour', 0)) + minute = int(params.get('minute', 0)) + second = int(float(params.get('second', 0))) + # weekday is normalized by mktime(), we can ignore it + weekday = 0 + daylight_savings_flag = -1 + tm = [year, month, day, hour, minute, second, weekday, + ordinal, daylight_savings_flag] + # ISO 8601 time zone adjustments + tz = params.get('tz') + if tz and tz != 'Z': + if tz[0] == '-': + tm[3] += int(params.get('tzhour', 0)) + tm[4] += int(params.get('tzmin', 0)) + elif tz[0] == '+': + tm[3] -= int(params.get('tzhour', 0)) + tm[4] -= int(params.get('tzmin', 0)) + else: + return None + # Python's time.mktime() is a wrapper around the ANSI C mktime(3c) + # which is guaranteed to normalize d/m/y/h/m/s. + # Many implementations have bugs, but we'll pretend they don't. + return time.localtime(time.mktime(tuple(tm))) +registerDateHandler(_parse_date_iso8601) + +# 8-bit date handling routines written by ytrewq1. +_korean_year = u'\ub144' # b3e2 in euc-kr +_korean_month = u'\uc6d4' # bff9 in euc-kr +_korean_day = u'\uc77c' # c0cf in euc-kr +_korean_am = u'\uc624\uc804' # bfc0 c0fc in euc-kr +_korean_pm = u'\uc624\ud6c4' # bfc0 c8c4 in euc-kr + +_korean_onblog_date_re = \ + re.compile('(\d{4})%s\s+(\d{2})%s\s+(\d{2})%s\s+(\d{2}):(\d{2}):(\d{2})' % \ + (_korean_year, _korean_month, _korean_day)) +_korean_nate_date_re = \ + re.compile(u'(\d{4})-(\d{2})-(\d{2})\s+(%s|%s)\s+(\d{,2}):(\d{,2}):(\d{,2})' % \ + (_korean_am, _korean_pm)) +def _parse_date_onblog(dateString): + '''Parse a string according to the OnBlog 8-bit date format''' + m = _korean_onblog_date_re.match(dateString) + if not m: + return + w3dtfdate = '%(year)s-%(month)s-%(day)sT%(hour)s:%(minute)s:%(second)s%(zonediff)s' % \ + {'year': m.group(1), 'month': m.group(2), 'day': m.group(3),\ + 'hour': m.group(4), 'minute': m.group(5), 'second': m.group(6),\ + 'zonediff': '+09:00'} + return _parse_date_w3dtf(w3dtfdate) +registerDateHandler(_parse_date_onblog) + +def _parse_date_nate(dateString): + '''Parse a string according to the Nate 8-bit date format''' + m = _korean_nate_date_re.match(dateString) + if not m: + return + hour = int(m.group(5)) + ampm = m.group(4) + if (ampm == _korean_pm): + hour += 12 + hour = str(hour) + if len(hour) == 1: + hour = '0' + hour + w3dtfdate = '%(year)s-%(month)s-%(day)sT%(hour)s:%(minute)s:%(second)s%(zonediff)s' % \ + {'year': m.group(1), 'month': m.group(2), 'day': m.group(3),\ + 'hour': hour, 'minute': m.group(6), 'second': m.group(7),\ + 'zonediff': '+09:00'} + return _parse_date_w3dtf(w3dtfdate) +registerDateHandler(_parse_date_nate) + +# Unicode strings for Greek date strings +_greek_months = \ + { \ + u'\u0399\u03b1\u03bd': u'Jan', # c9e1ed in iso-8859-7 + u'\u03a6\u03b5\u03b2': u'Feb', # d6e5e2 in iso-8859-7 + u'\u039c\u03ac\u03ce': u'Mar', # ccdcfe in iso-8859-7 + u'\u039c\u03b1\u03ce': u'Mar', # cce1fe in iso-8859-7 + u'\u0391\u03c0\u03c1': u'Apr', # c1f0f1 in iso-8859-7 + u'\u039c\u03ac\u03b9': u'May', # ccdce9 in iso-8859-7 + u'\u039c\u03b1\u03ca': u'May', # cce1fa in iso-8859-7 + u'\u039c\u03b1\u03b9': u'May', # cce1e9 in iso-8859-7 + u'\u0399\u03bf\u03cd\u03bd': u'Jun', # c9effded in iso-8859-7 + u'\u0399\u03bf\u03bd': u'Jun', # c9efed in iso-8859-7 + u'\u0399\u03bf\u03cd\u03bb': u'Jul', # c9effdeb in iso-8859-7 + u'\u0399\u03bf\u03bb': u'Jul', # c9f9eb in iso-8859-7 + u'\u0391\u03cd\u03b3': u'Aug', # c1fde3 in iso-8859-7 + u'\u0391\u03c5\u03b3': u'Aug', # c1f5e3 in iso-8859-7 + u'\u03a3\u03b5\u03c0': u'Sep', # d3e5f0 in iso-8859-7 + u'\u039f\u03ba\u03c4': u'Oct', # cfeaf4 in iso-8859-7 + u'\u039d\u03bf\u03ad': u'Nov', # cdefdd in iso-8859-7 + u'\u039d\u03bf\u03b5': u'Nov', # cdefe5 in iso-8859-7 + u'\u0394\u03b5\u03ba': u'Dec', # c4e5ea in iso-8859-7 + } + +_greek_wdays = \ + { \ + u'\u039a\u03c5\u03c1': u'Sun', # caf5f1 in iso-8859-7 + u'\u0394\u03b5\u03c5': u'Mon', # c4e5f5 in iso-8859-7 + u'\u03a4\u03c1\u03b9': u'Tue', # d4f1e9 in iso-8859-7 + u'\u03a4\u03b5\u03c4': u'Wed', # d4e5f4 in iso-8859-7 + u'\u03a0\u03b5\u03bc': u'Thu', # d0e5ec in iso-8859-7 + u'\u03a0\u03b1\u03c1': u'Fri', # d0e1f1 in iso-8859-7 + u'\u03a3\u03b1\u03b2': u'Sat', # d3e1e2 in iso-8859-7 + } + +_greek_date_format_re = \ + re.compile(u'([^,]+),\s+(\d{2})\s+([^\s]+)\s+(\d{4})\s+(\d{2}):(\d{2}):(\d{2})\s+([^\s]+)') + +def _parse_date_greek(dateString): + '''Parse a string according to a Greek 8-bit date format.''' + m = _greek_date_format_re.match(dateString) + if not m: + return + wday = _greek_wdays[m.group(1)] + month = _greek_months[m.group(3)] + rfc822date = '%(wday)s, %(day)s %(month)s %(year)s %(hour)s:%(minute)s:%(second)s %(zonediff)s' % \ + {'wday': wday, 'day': m.group(2), 'month': month, 'year': m.group(4),\ + 'hour': m.group(5), 'minute': m.group(6), 'second': m.group(7),\ + 'zonediff': m.group(8)} + return _parse_date_rfc822(rfc822date) +registerDateHandler(_parse_date_greek) + +# Unicode strings for Hungarian date strings +_hungarian_months = \ + { \ + u'janu\u00e1r': u'01', # e1 in iso-8859-2 + u'febru\u00e1ri': u'02', # e1 in iso-8859-2 + u'm\u00e1rcius': u'03', # e1 in iso-8859-2 + u'\u00e1prilis': u'04', # e1 in iso-8859-2 + u'm\u00e1ujus': u'05', # e1 in iso-8859-2 + u'j\u00fanius': u'06', # fa in iso-8859-2 + u'j\u00falius': u'07', # fa in iso-8859-2 + u'augusztus': u'08', + u'szeptember': u'09', + u'okt\u00f3ber': u'10', # f3 in iso-8859-2 + u'november': u'11', + u'december': u'12', + } + +_hungarian_date_format_re = \ + re.compile(u'(\d{4})-([^-]+)-(\d{,2})T(\d{,2}):(\d{2})((\+|-)(\d{,2}:\d{2}))') + +def _parse_date_hungarian(dateString): + '''Parse a string according to a Hungarian 8-bit date format.''' + m = _hungarian_date_format_re.match(dateString) + if not m or m.group(2) not in _hungarian_months: + return None + month = _hungarian_months[m.group(2)] + day = m.group(3) + if len(day) == 1: + day = '0' + day + hour = m.group(4) + if len(hour) == 1: + hour = '0' + hour + w3dtfdate = '%(year)s-%(month)s-%(day)sT%(hour)s:%(minute)s%(zonediff)s' % \ + {'year': m.group(1), 'month': month, 'day': day,\ + 'hour': hour, 'minute': m.group(5),\ + 'zonediff': m.group(6)} + return _parse_date_w3dtf(w3dtfdate) +registerDateHandler(_parse_date_hungarian) + +# W3DTF-style date parsing adapted from PyXML xml.utils.iso8601, written by +# Drake and licensed under the Python license. Removed all range checking +# for month, day, hour, minute, and second, since mktime will normalize +# these later +# Modified to also support MSSQL-style datetimes as defined at: +# http://msdn.microsoft.com/en-us/library/ms186724.aspx +# (which basically means allowing a space as a date/time/timezone separator) +def _parse_date_w3dtf(dateString): + def __extract_date(m): + year = int(m.group('year')) + if year < 100: + year = 100 * int(time.gmtime()[0] / 100) + int(year) + if year < 1000: + return 0, 0, 0 + julian = m.group('julian') + if julian: + julian = int(julian) + month = julian / 30 + 1 + day = julian % 30 + 1 + jday = None + while jday != julian: + t = time.mktime((year, month, day, 0, 0, 0, 0, 0, 0)) + jday = time.gmtime(t)[-2] + diff = abs(jday - julian) + if jday > julian: + if diff < day: + day = day - diff + else: + month = month - 1 + day = 31 + elif jday < julian: + if day + diff < 28: + day = day + diff + else: + month = month + 1 + return year, month, day + month = m.group('month') + day = 1 + if month is None: + month = 1 + else: + month = int(month) + day = m.group('day') + if day: + day = int(day) + else: + day = 1 + return year, month, day + + def __extract_time(m): + if not m: + return 0, 0, 0 + hours = m.group('hours') + if not hours: + return 0, 0, 0 + hours = int(hours) + minutes = int(m.group('minutes')) + seconds = m.group('seconds') + if seconds: + seconds = int(seconds) + else: + seconds = 0 + return hours, minutes, seconds + + def __extract_tzd(m): + '''Return the Time Zone Designator as an offset in seconds from UTC.''' + if not m: + return 0 + tzd = m.group('tzd') + if not tzd: + return 0 + if tzd == 'Z': + return 0 + hours = int(m.group('tzdhours')) + minutes = m.group('tzdminutes') + if minutes: + minutes = int(minutes) + else: + minutes = 0 + offset = (hours*60 + minutes) * 60 + if tzd[0] == '+': + return -offset + return offset + + __date_re = ('(?P<year>\d\d\d\d)' + '(?:(?P<dsep>-|)' + '(?:(?P<month>\d\d)(?:(?P=dsep)(?P<day>\d\d))?' + '|(?P<julian>\d\d\d)))?') + __tzd_re = ' ?(?P<tzd>[-+](?P<tzdhours>\d\d)(?::?(?P<tzdminutes>\d\d))|Z)?' + __time_re = ('(?P<hours>\d\d)(?P<tsep>:|)(?P<minutes>\d\d)' + '(?:(?P=tsep)(?P<seconds>\d\d)(?:[.,]\d+)?)?' + + __tzd_re) + __datetime_re = '%s(?:[T ]%s)?' % (__date_re, __time_re) + __datetime_rx = re.compile(__datetime_re) + m = __datetime_rx.match(dateString) + if (m is None) or (m.group() != dateString): + return + gmt = __extract_date(m) + __extract_time(m) + (0, 0, 0) + if gmt[0] == 0: + return + return time.gmtime(time.mktime(gmt) + __extract_tzd(m) - time.timezone) +registerDateHandler(_parse_date_w3dtf) + +# Define the strings used by the RFC822 datetime parser +_rfc822_months = ['jan', 'feb', 'mar', 'apr', 'may', 'jun', + 'jul', 'aug', 'sep', 'oct', 'nov', 'dec'] +_rfc822_daynames = ['mon', 'tue', 'wed', 'thu', 'fri', 'sat', 'sun'] + +# Only the first three letters of the month name matter +_rfc822_month = "(?P<month>%s)(?:[a-z]*,?)" % ('|'.join(_rfc822_months)) +# The year may be 2 or 4 digits; capture the century if it exists +_rfc822_year = "(?P<year>(?:\d{2})?\d{2})" +_rfc822_day = "(?P<day> *\d{1,2})" +_rfc822_date = "%s %s %s" % (_rfc822_day, _rfc822_month, _rfc822_year) + +_rfc822_hour = "(?P<hour>\d{2}):(?P<minute>\d{2})(?::(?P<second>\d{2}))?" +_rfc822_tz = "(?P<tz>ut|gmt(?:[+-]\d{2}:\d{2})?|[aecmp][sd]?t|[zamny]|[+-]\d{4})" +_rfc822_tznames = { + 'ut': 0, 'gmt': 0, 'z': 0, + 'adt': -3, 'ast': -4, 'at': -4, + 'edt': -4, 'est': -5, 'et': -5, + 'cdt': -5, 'cst': -6, 'ct': -6, + 'mdt': -6, 'mst': -7, 'mt': -7, + 'pdt': -7, 'pst': -8, 'pt': -8, + 'a': -1, 'n': 1, + 'm': -12, 'y': 12, + } +# The timezone may be prefixed by 'Etc/' +_rfc822_time = "%s (?:etc/)?%s" % (_rfc822_hour, _rfc822_tz) + +_rfc822_dayname = "(?P<dayname>%s)" % ('|'.join(_rfc822_daynames)) +_rfc822_match = re.compile( + "(?:%s, )?%s(?: %s)?" % (_rfc822_dayname, _rfc822_date, _rfc822_time) +).match + +def _parse_date_group_rfc822(m): + # Calculate a date and timestamp + for k in ('year', 'day', 'hour', 'minute', 'second'): + m[k] = int(m[k]) + m['month'] = _rfc822_months.index(m['month']) + 1 + # If the year is 2 digits, assume everything in the 90's is the 1990's + if m['year'] < 100: + m['year'] += (1900, 2000)[m['year'] < 90] + stamp = datetime.datetime(*[m[i] for i in + ('year', 'month', 'day', 'hour', 'minute', 'second')]) + + # Use the timezone information to calculate the difference between + # the given date and timestamp and Universal Coordinated Time + tzhour = 0 + tzmin = 0 + if m['tz'] and m['tz'].startswith('gmt'): + # Handle GMT and GMT+hh:mm timezone syntax (the trailing + # timezone info will be handled by the next `if` block) + m['tz'] = ''.join(m['tz'][3:].split(':')) or 'gmt' + if not m['tz']: + pass + elif m['tz'].startswith('+'): + tzhour = int(m['tz'][1:3]) + tzmin = int(m['tz'][3:]) + elif m['tz'].startswith('-'): + tzhour = int(m['tz'][1:3]) * -1 + tzmin = int(m['tz'][3:]) * -1 + else: + tzhour = _rfc822_tznames[m['tz']] + delta = datetime.timedelta(0, 0, 0, 0, tzmin, tzhour) + + # Return the date and timestamp in UTC + return (stamp - delta).utctimetuple() + +def _parse_date_rfc822(dt): + """Parse RFC 822 dates and times, with one minor + difference: years may be 4DIGIT or 2DIGIT. + http://tools.ietf.org/html/rfc822#section-5""" + try: + m = _rfc822_match(dt.lower()).groupdict(0) + except AttributeError: + return None + + return _parse_date_group_rfc822(m) +registerDateHandler(_parse_date_rfc822) + +def _parse_date_rfc822_grubby(dt): + """Parse date format similar to RFC 822, but + the comma after the dayname is optional and + month/day are inverted""" + _rfc822_date_grubby = "%s %s %s" % (_rfc822_month, _rfc822_day, _rfc822_year) + _rfc822_match_grubby = re.compile( + "(?:%s[,]? )?%s(?: %s)?" % (_rfc822_dayname, _rfc822_date_grubby, _rfc822_time) + ).match + + try: + m = _rfc822_match_grubby(dt.lower()).groupdict(0) + except AttributeError: + return None + + return _parse_date_group_rfc822(m) +registerDateHandler(_parse_date_rfc822_grubby) + +def _parse_date_asctime(dt): + """Parse asctime-style dates""" + dayname, month, day, remainder = dt.split(None, 3) + # Convert month and day into zero-padded integers + month = '%02i ' % (_rfc822_months.index(month.lower()) + 1) + day = '%02i ' % (int(day),) + dt = month + day + remainder + return time.strptime(dt, '%m %d %H:%M:%S %Y')[:-1] + (0, ) +registerDateHandler(_parse_date_asctime) + +def _parse_date_perforce(aDateString): + """parse a date in yyyy/mm/dd hh:mm:ss TTT format""" + # Fri, 2006/09/15 08:19:53 EDT + _my_date_pattern = re.compile( \ + r'(\w{,3}), (\d{,4})/(\d{,2})/(\d{2}) (\d{,2}):(\d{2}):(\d{2}) (\w{,3})') + + m = _my_date_pattern.search(aDateString) + if m is None: + return None + dow, year, month, day, hour, minute, second, tz = m.groups() + months = ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec'] + dateString = "%s, %s %s %s %s:%s:%s %s" % (dow, day, months[int(month) - 1], year, hour, minute, second, tz) + tm = rfc822.parsedate_tz(dateString) + if tm: + return time.gmtime(rfc822.mktime_tz(tm)) +registerDateHandler(_parse_date_perforce) + +def _parse_date(dateString): + '''Parses a variety of date formats into a 9-tuple in GMT''' + if not dateString: + return None + for handler in _date_handlers: + try: + date9tuple = handler(dateString) + except (KeyError, OverflowError, ValueError): + continue + if not date9tuple: + continue + if len(date9tuple) != 9: + continue + return date9tuple + return None + +# Each marker represents some of the characters of the opening XML +# processing instruction ('<?xm') in the specified encoding. +EBCDIC_MARKER = _l2bytes([0x4C, 0x6F, 0xA7, 0x94]) +UTF16BE_MARKER = _l2bytes([0x00, 0x3C, 0x00, 0x3F]) +UTF16LE_MARKER = _l2bytes([0x3C, 0x00, 0x3F, 0x00]) +UTF32BE_MARKER = _l2bytes([0x00, 0x00, 0x00, 0x3C]) +UTF32LE_MARKER = _l2bytes([0x3C, 0x00, 0x00, 0x00]) + +ZERO_BYTES = _l2bytes([0x00, 0x00]) + +# Match the opening XML declaration. +# Example: <?xml version="1.0" encoding="utf-8"?> +RE_XML_DECLARATION = re.compile('^<\?xml[^>]*?>') + +# Capture the value of the XML processing instruction's encoding attribute. +# Example: <?xml version="1.0" encoding="utf-8"?> +RE_XML_PI_ENCODING = re.compile(_s2bytes('^<\?.*encoding=[\'"](.*?)[\'"].*\?>')) + +def convert_to_utf8(http_headers, data): + '''Detect and convert the character encoding to UTF-8. + + http_headers is a dictionary + data is a raw string (not Unicode)''' + + # This is so much trickier than it sounds, it's not even funny. + # According to RFC 3023 ('XML Media Types'), if the HTTP Content-Type + # is application/xml, application/*+xml, + # application/xml-external-parsed-entity, or application/xml-dtd, + # the encoding given in the charset parameter of the HTTP Content-Type + # takes precedence over the encoding given in the XML prefix within the + # document, and defaults to 'utf-8' if neither are specified. But, if + # the HTTP Content-Type is text/xml, text/*+xml, or + # text/xml-external-parsed-entity, the encoding given in the XML prefix + # within the document is ALWAYS IGNORED and only the encoding given in + # the charset parameter of the HTTP Content-Type header should be + # respected, and it defaults to 'us-ascii' if not specified. + + # Furthermore, discussion on the atom-syntax mailing list with the + # author of RFC 3023 leads me to the conclusion that any document + # served with a Content-Type of text/* and no charset parameter + # must be treated as us-ascii. (We now do this.) And also that it + # must always be flagged as non-well-formed. (We now do this too.) + + # If Content-Type is unspecified (input was local file or non-HTTP source) + # or unrecognized (server just got it totally wrong), then go by the + # encoding given in the XML prefix of the document and default to + # 'iso-8859-1' as per the HTTP specification (RFC 2616). + + # Then, assuming we didn't find a character encoding in the HTTP headers + # (and the HTTP Content-type allowed us to look in the body), we need + # to sniff the first few bytes of the XML data and try to determine + # whether the encoding is ASCII-compatible. Section F of the XML + # specification shows the way here: + # http://www.w3.org/TR/REC-xml/#sec-guessing-no-ext-info + + # If the sniffed encoding is not ASCII-compatible, we need to make it + # ASCII compatible so that we can sniff further into the XML declaration + # to find the encoding attribute, which will tell us the true encoding. + + # Of course, none of this guarantees that we will be able to parse the + # feed in the declared character encoding (assuming it was declared + # correctly, which many are not). iconv_codec can help a lot; + # you should definitely install it if you can. + # http://cjkpython.i18n.org/ + + bom_encoding = u'' + xml_encoding = u'' + rfc3023_encoding = u'' + + # Look at the first few bytes of the document to guess what + # its encoding may be. We only need to decode enough of the + # document that we can use an ASCII-compatible regular + # expression to search for an XML encoding declaration. + # The heuristic follows the XML specification, section F: + # http://www.w3.org/TR/REC-xml/#sec-guessing-no-ext-info + # Check for BOMs first. + if data[:4] == codecs.BOM_UTF32_BE: + bom_encoding = u'utf-32be' + data = data[4:] + elif data[:4] == codecs.BOM_UTF32_LE: + bom_encoding = u'utf-32le' + data = data[4:] + elif data[:2] == codecs.BOM_UTF16_BE and data[2:4] != ZERO_BYTES: + bom_encoding = u'utf-16be' + data = data[2:] + elif data[:2] == codecs.BOM_UTF16_LE and data[2:4] != ZERO_BYTES: + bom_encoding = u'utf-16le' + data = data[2:] + elif data[:3] == codecs.BOM_UTF8: + bom_encoding = u'utf-8' + data = data[3:] + # Check for the characters '<?xm' in several encodings. + elif data[:4] == EBCDIC_MARKER: + bom_encoding = u'cp037' + elif data[:4] == UTF16BE_MARKER: + bom_encoding = u'utf-16be' + elif data[:4] == UTF16LE_MARKER: + bom_encoding = u'utf-16le' + elif data[:4] == UTF32BE_MARKER: + bom_encoding = u'utf-32be' + elif data[:4] == UTF32LE_MARKER: + bom_encoding = u'utf-32le' + + tempdata = data + try: + if bom_encoding: + tempdata = data.decode(bom_encoding).encode('utf-8') + except (UnicodeDecodeError, LookupError): + # feedparser recognizes UTF-32 encodings that aren't + # available in Python 2.4 and 2.5, so it's possible to + # encounter a LookupError during decoding. + xml_encoding_match = None + else: + xml_encoding_match = RE_XML_PI_ENCODING.match(tempdata) + + if xml_encoding_match: + xml_encoding = xml_encoding_match.groups()[0].decode('utf-8').lower() + # Normalize the xml_encoding if necessary. + if bom_encoding and (xml_encoding in ( + u'u16', u'utf-16', u'utf16', u'utf_16', + u'u32', u'utf-32', u'utf32', u'utf_32', + u'iso-10646-ucs-2', u'iso-10646-ucs-4', + u'csucs4', u'csunicode', u'ucs-2', u'ucs-4' + )): + xml_encoding = bom_encoding + + # Find the HTTP Content-Type and, hopefully, a character + # encoding provided by the server. The Content-Type is used + # to choose the "correct" encoding among the BOM encoding, + # XML declaration encoding, and HTTP encoding, following the + # heuristic defined in RFC 3023. + http_content_type = http_headers.get('content-type') or '' + http_content_type, params = cgi.parse_header(http_content_type) + http_encoding = params.get('charset', '').replace("'", "") + if not isinstance(http_encoding, unicode): + http_encoding = http_encoding.decode('utf-8', 'ignore') + + acceptable_content_type = 0 + application_content_types = (u'application/xml', u'application/xml-dtd', + u'application/xml-external-parsed-entity') + text_content_types = (u'text/xml', u'text/xml-external-parsed-entity') + if (http_content_type in application_content_types) or \ + (http_content_type.startswith(u'application/') and + http_content_type.endswith(u'+xml')): + acceptable_content_type = 1 + rfc3023_encoding = http_encoding or xml_encoding or u'utf-8' + elif (http_content_type in text_content_types) or \ + (http_content_type.startswith(u'text/') and + http_content_type.endswith(u'+xml')): + acceptable_content_type = 1 + rfc3023_encoding = http_encoding or u'us-ascii' + elif http_content_type.startswith(u'text/'): + rfc3023_encoding = http_encoding or u'us-ascii' + elif http_headers and 'content-type' not in http_headers: + rfc3023_encoding = xml_encoding or u'iso-8859-1' + else: + rfc3023_encoding = xml_encoding or u'utf-8' + # gb18030 is a superset of gb2312, so always replace gb2312 + # with gb18030 for greater compatibility. + if rfc3023_encoding.lower() == u'gb2312': + rfc3023_encoding = u'gb18030' + if xml_encoding.lower() == u'gb2312': + xml_encoding = u'gb18030' + + # there are four encodings to keep track of: + # - http_encoding is the encoding declared in the Content-Type HTTP header + # - xml_encoding is the encoding declared in the <?xml declaration + # - bom_encoding is the encoding sniffed from the first 4 bytes of the XML data + # - rfc3023_encoding is the actual encoding, as per RFC 3023 and a variety of other conflicting specifications + error = None + + if http_headers and (not acceptable_content_type): + if 'content-type' in http_headers: + msg = '%s is not an XML media type' % http_headers['content-type'] + else: + msg = 'no Content-type specified' + error = NonXMLContentType(msg) + + # determine character encoding + known_encoding = 0 + chardet_encoding = None + tried_encodings = [] + if chardet: + chardet_encoding = unicode(chardet.detect(data)['encoding'] or '', 'ascii', 'ignore') + # try: HTTP encoding, declared XML encoding, encoding sniffed from BOM + for proposed_encoding in (rfc3023_encoding, xml_encoding, bom_encoding, + chardet_encoding, u'utf-8', u'windows-1252', u'iso-8859-2'): + if not proposed_encoding: + continue + if proposed_encoding in tried_encodings: + continue + tried_encodings.append(proposed_encoding) + try: + data = data.decode(proposed_encoding) + except (UnicodeDecodeError, LookupError): + pass + else: + known_encoding = 1 + # Update the encoding in the opening XML processing instruction. + new_declaration = '''<?xml version='1.0' encoding='utf-8'?>''' + if RE_XML_DECLARATION.search(data): + data = RE_XML_DECLARATION.sub(new_declaration, data) + else: + data = new_declaration + u'\n' + data + data = data.encode('utf-8') + break + # if still no luck, give up + if not known_encoding: + error = CharacterEncodingUnknown( + 'document encoding unknown, I tried ' + + '%s, %s, utf-8, windows-1252, and iso-8859-2 but nothing worked' % + (rfc3023_encoding, xml_encoding)) + rfc3023_encoding = u'' + elif proposed_encoding != rfc3023_encoding: + error = CharacterEncodingOverride( + 'document declared as %s, but parsed as %s' % + (rfc3023_encoding, proposed_encoding)) + rfc3023_encoding = proposed_encoding + + return data, rfc3023_encoding, error + +# Match XML entity declarations. +# Example: <!ENTITY copyright "(C)"> +RE_ENTITY_PATTERN = re.compile(_s2bytes(r'^\s*<!ENTITY([^>]*?)>'), re.MULTILINE) + +# Match XML DOCTYPE declarations. +# Example: <!DOCTYPE feed [ ]> +RE_DOCTYPE_PATTERN = re.compile(_s2bytes(r'^\s*<!DOCTYPE([^>]*?)>'), re.MULTILINE) + +# Match safe entity declarations. +# This will allow hexadecimal character references through, +# as well as text, but not arbitrary nested entities. +# Example: cubed "³" +# Example: copyright "(C)" +# Forbidden: explode1 "&explode2;&explode2;" +RE_SAFE_ENTITY_PATTERN = re.compile(_s2bytes('\s+(\w+)\s+"(&#\w+;|[^&"]*)"')) + +def replace_doctype(data): + '''Strips and replaces the DOCTYPE, returns (rss_version, stripped_data) + + rss_version may be 'rss091n' or None + stripped_data is the same XML document with a replaced DOCTYPE + ''' + + # Divide the document into two groups by finding the location + # of the first element that doesn't begin with '<?' or '<!'. + start = re.search(_s2bytes('<\w'), data) + start = start and start.start() or -1 + head, data = data[:start+1], data[start+1:] + + # Save and then remove all of the ENTITY declarations. + entity_results = RE_ENTITY_PATTERN.findall(head) + head = RE_ENTITY_PATTERN.sub(_s2bytes(''), head) + + # Find the DOCTYPE declaration and check the feed type. + doctype_results = RE_DOCTYPE_PATTERN.findall(head) + doctype = doctype_results and doctype_results[0] or _s2bytes('') + if _s2bytes('netscape') in doctype.lower(): + version = u'rss091n' + else: + version = None + + # Re-insert the safe ENTITY declarations if a DOCTYPE was found. + replacement = _s2bytes('') + if len(doctype_results) == 1 and entity_results: + match_safe_entities = lambda e: RE_SAFE_ENTITY_PATTERN.match(e) + safe_entities = filter(match_safe_entities, entity_results) + if safe_entities: + replacement = _s2bytes('<!DOCTYPE feed [\n<!ENTITY') \ + + _s2bytes('>\n<!ENTITY ').join(safe_entities) \ + + _s2bytes('>\n]>') + data = RE_DOCTYPE_PATTERN.sub(replacement, head) + data + + # Precompute the safe entities for the loose parser. + safe_entities = dict((k.decode('utf-8'), v.decode('utf-8')) + for k, v in RE_SAFE_ENTITY_PATTERN.findall(replacement)) + return version, data, safe_entities + +def parse(url_file_stream_or_string, etag=None, modified=None, agent=None, referrer=None, handlers=None, request_headers=None, response_headers=None): + '''Parse a feed from a URL, file, stream, or string. + + request_headers, if given, is a dict from http header name to value to add + to the request; this overrides internally generated values. + ''' + + if handlers is None: + handlers = [] + if request_headers is None: + request_headers = {} + if response_headers is None: + response_headers = {} + + result = FeedParserDict() + result['feed'] = FeedParserDict() + result['entries'] = [] + result['bozo'] = 0 + if not isinstance(handlers, list): + handlers = [handlers] + try: + f = _open_resource(url_file_stream_or_string, etag, modified, agent, referrer, handlers, request_headers) + data = f.read() + except Exception, e: + result['bozo'] = 1 + result['bozo_exception'] = e + data = None + f = None + + if hasattr(f, 'headers'): + result['headers'] = dict(f.headers) + # overwrite existing headers using response_headers + if 'headers' in result: + result['headers'].update(response_headers) + elif response_headers: + result['headers'] = copy.deepcopy(response_headers) + + # lowercase all of the HTTP headers for comparisons per RFC 2616 + if 'headers' in result: + http_headers = dict((k.lower(), v) for k, v in result['headers'].items()) + else: + http_headers = {} + + # if feed is gzip-compressed, decompress it + if f and data and http_headers: + if gzip and 'gzip' in http_headers.get('content-encoding', ''): + try: + data = gzip.GzipFile(fileobj=_StringIO(data)).read() + except (IOError, struct.error), e: + # IOError can occur if the gzip header is bad. + # struct.error can occur if the data is damaged. + result['bozo'] = 1 + result['bozo_exception'] = e + if isinstance(e, struct.error): + # A gzip header was found but the data is corrupt. + # Ideally, we should re-request the feed without the + # 'Accept-encoding: gzip' header, but we don't. + data = None + elif zlib and 'deflate' in http_headers.get('content-encoding', ''): + try: + data = zlib.decompress(data) + except zlib.error, e: + try: + # The data may have no headers and no checksum. + data = zlib.decompress(data, -15) + except zlib.error, e: + result['bozo'] = 1 + result['bozo_exception'] = e + + # save HTTP headers + if http_headers: + if 'etag' in http_headers: + etag = http_headers.get('etag', u'') + if not isinstance(etag, unicode): + etag = etag.decode('utf-8', 'ignore') + if etag: + result['etag'] = etag + if 'last-modified' in http_headers: + modified = http_headers.get('last-modified', u'') + if modified: + result['modified'] = modified + result['modified_parsed'] = _parse_date(modified) + if hasattr(f, 'url'): + if not isinstance(f.url, unicode): + result['href'] = f.url.decode('utf-8', 'ignore') + else: + result['href'] = f.url + result['status'] = 200 + if hasattr(f, 'status'): + result['status'] = f.status + if hasattr(f, 'close'): + f.close() + + if data is None: + return result + + # Stop processing if the server sent HTTP 304 Not Modified. + if getattr(f, 'code', 0) == 304: + result['version'] = u'' + result['debug_message'] = 'The feed has not changed since you last checked, ' + \ + 'so the server sent no data. This is a feature, not a bug!' + return result + + data, result['encoding'], error = convert_to_utf8(http_headers, data) + use_strict_parser = result['encoding'] and True or False + if error is not None: + result['bozo'] = 1 + result['bozo_exception'] = error + + result['version'], data, entities = replace_doctype(data) + + # Ensure that baseuri is an absolute URI using an acceptable URI scheme. + contentloc = http_headers.get('content-location', u'') + href = result.get('href', u'') + baseuri = _makeSafeAbsoluteURI(href, contentloc) or _makeSafeAbsoluteURI(contentloc) or href + + baselang = http_headers.get('content-language', None) + if not isinstance(baselang, unicode) and baselang is not None: + baselang = baselang.decode('utf-8', 'ignore') + + if not _XML_AVAILABLE: + use_strict_parser = 0 + if use_strict_parser: + # initialize the SAX parser + feedparser = _StrictFeedParser(baseuri, baselang, 'utf-8') + saxparser = xml.sax.make_parser(PREFERRED_XML_PARSERS) + saxparser.setFeature(xml.sax.handler.feature_namespaces, 1) + try: + # disable downloading external doctype references, if possible + saxparser.setFeature(xml.sax.handler.feature_external_ges, 0) + except xml.sax.SAXNotSupportedException: + pass + saxparser.setContentHandler(feedparser) + saxparser.setErrorHandler(feedparser) + source = xml.sax.xmlreader.InputSource() + source.setByteStream(_StringIO(data)) + try: + saxparser.parse(source) + except xml.sax.SAXException, e: + result['bozo'] = 1 + result['bozo_exception'] = feedparser.exc or e + use_strict_parser = 0 + if not use_strict_parser and _SGML_AVAILABLE: + feedparser = _LooseFeedParser(baseuri, baselang, 'utf-8', entities) + feedparser.feed(data.decode('utf-8', 'replace')) + result['feed'] = feedparser.feeddata + result['entries'] = feedparser.entries + result['version'] = result['version'] or feedparser.version + result['namespaces'] = feedparser.namespacesInUse + return result diff --git a/pyload/lib/jinja2/__init__.py b/pyload/lib/jinja2/__init__.py new file mode 100644 index 000000000..a4f7e9c4e --- /dev/null +++ b/pyload/lib/jinja2/__init__.py @@ -0,0 +1,69 @@ +# -*- coding: utf-8 -*- +""" + jinja2 + ~~~~~~ + + Jinja2 is a template engine written in pure Python. It provides a + Django inspired non-XML syntax but supports inline expressions and + an optional sandboxed environment. + + Nutshell + -------- + + Here a small example of a Jinja2 template:: + + {% extends 'base.html' %} + {% block title %}Memberlist{% endblock %} + {% block content %} + <ul> + {% for user in users %} + <li><a href="{{ user.url }}">{{ user.username }}</a></li> + {% endfor %} + </ul> + {% endblock %} + + + :copyright: (c) 2010 by the Jinja Team. + :license: BSD, see LICENSE for more details. +""" +__docformat__ = 'restructuredtext en' +__version__ = '2.7.3' + +# high level interface +from jinja2.environment import Environment, Template + +# loaders +from jinja2.loaders import BaseLoader, FileSystemLoader, PackageLoader, \ + DictLoader, FunctionLoader, PrefixLoader, ChoiceLoader, \ + ModuleLoader + +# bytecode caches +from jinja2.bccache import BytecodeCache, FileSystemBytecodeCache, \ + MemcachedBytecodeCache + +# undefined types +from jinja2.runtime import Undefined, DebugUndefined, StrictUndefined + +# exceptions +from jinja2.exceptions import TemplateError, UndefinedError, \ + TemplateNotFound, TemplatesNotFound, TemplateSyntaxError, \ + TemplateAssertionError + +# decorators and public utilities +from jinja2.filters import environmentfilter, contextfilter, \ + evalcontextfilter +from jinja2.utils import Markup, escape, clear_caches, \ + environmentfunction, evalcontextfunction, contextfunction, \ + is_undefined + +__all__ = [ + 'Environment', 'Template', 'BaseLoader', 'FileSystemLoader', + 'PackageLoader', 'DictLoader', 'FunctionLoader', 'PrefixLoader', + 'ChoiceLoader', 'BytecodeCache', 'FileSystemBytecodeCache', + 'MemcachedBytecodeCache', 'Undefined', 'DebugUndefined', + 'StrictUndefined', 'TemplateError', 'UndefinedError', 'TemplateNotFound', + 'TemplatesNotFound', 'TemplateSyntaxError', 'TemplateAssertionError', + 'ModuleLoader', 'environmentfilter', 'contextfilter', 'Markup', 'escape', + 'environmentfunction', 'contextfunction', 'clear_caches', 'is_undefined', + 'evalcontextfilter', 'evalcontextfunction' +] diff --git a/pyload/lib/jinja2/_compat.py b/pyload/lib/jinja2/_compat.py new file mode 100644 index 000000000..8fa8a49a0 --- /dev/null +++ b/pyload/lib/jinja2/_compat.py @@ -0,0 +1,150 @@ +# -*- coding: utf-8 -*- +""" + jinja2._compat + ~~~~~~~~~~~~~~ + + Some py2/py3 compatibility support based on a stripped down + version of six so we don't have to depend on a specific version + of it. + + :copyright: Copyright 2013 by the Jinja team, see AUTHORS. + :license: BSD, see LICENSE for details. +""" +import sys + +PY2 = sys.version_info[0] == 2 +PYPY = hasattr(sys, 'pypy_translation_info') +_identity = lambda x: x + + +if not PY2: + unichr = chr + range_type = range + text_type = str + string_types = (str,) + + iterkeys = lambda d: iter(d.keys()) + itervalues = lambda d: iter(d.values()) + iteritems = lambda d: iter(d.items()) + + import pickle + from io import BytesIO, StringIO + NativeStringIO = StringIO + + def reraise(tp, value, tb=None): + if value.__traceback__ is not tb: + raise value.with_traceback(tb) + raise value + + ifilter = filter + imap = map + izip = zip + intern = sys.intern + + implements_iterator = _identity + implements_to_string = _identity + encode_filename = _identity + get_next = lambda x: x.__next__ + +else: + unichr = unichr + text_type = unicode + range_type = xrange + string_types = (str, unicode) + + iterkeys = lambda d: d.iterkeys() + itervalues = lambda d: d.itervalues() + iteritems = lambda d: d.iteritems() + + import cPickle as pickle + from cStringIO import StringIO as BytesIO, StringIO + NativeStringIO = BytesIO + + exec('def reraise(tp, value, tb=None):\n raise tp, value, tb') + + from itertools import imap, izip, ifilter + intern = intern + + def implements_iterator(cls): + cls.next = cls.__next__ + del cls.__next__ + return cls + + def implements_to_string(cls): + cls.__unicode__ = cls.__str__ + cls.__str__ = lambda x: x.__unicode__().encode('utf-8') + return cls + + get_next = lambda x: x.next + + def encode_filename(filename): + if isinstance(filename, unicode): + return filename.encode('utf-8') + return filename + +try: + next = next +except NameError: + def next(it): + return it.next() + + +def with_metaclass(meta, *bases): + # This requires a bit of explanation: the basic idea is to make a + # dummy metaclass for one level of class instanciation that replaces + # itself with the actual metaclass. Because of internal type checks + # we also need to make sure that we downgrade the custom metaclass + # for one level to something closer to type (that's why __call__ and + # __init__ comes back from type etc.). + # + # This has the advantage over six.with_metaclass in that it does not + # introduce dummy classes into the final MRO. + class metaclass(meta): + __call__ = type.__call__ + __init__ = type.__init__ + def __new__(cls, name, this_bases, d): + if this_bases is None: + return type.__new__(cls, name, (), d) + return meta(name, bases, d) + return metaclass('temporary_class', None, {}) + + +try: + from collections import Mapping as mapping_types +except ImportError: + import UserDict + mapping_types = (UserDict.UserDict, UserDict.DictMixin, dict) + + +# common types. These do exist in the special types module too which however +# does not exist in IronPython out of the box. Also that way we don't have +# to deal with implementation specific stuff here +class _C(object): + def method(self): pass +def _func(): + yield None +function_type = type(_func) +generator_type = type(_func()) +method_type = type(_C().method) +code_type = type(_C.method.__code__) +try: + raise TypeError() +except TypeError: + _tb = sys.exc_info()[2] + traceback_type = type(_tb) + frame_type = type(_tb.tb_frame) + + +try: + from urllib.parse import quote_from_bytes as url_quote +except ImportError: + from urllib import quote as url_quote + + +try: + from thread import allocate_lock +except ImportError: + try: + from threading import Lock as allocate_lock + except ImportError: + from dummy_thread import allocate_lock diff --git a/pyload/lib/jinja2/_stringdefs.py b/pyload/lib/jinja2/_stringdefs.py new file mode 100644 index 000000000..da5830e9f --- /dev/null +++ b/pyload/lib/jinja2/_stringdefs.py @@ -0,0 +1,132 @@ +# -*- coding: utf-8 -*- +""" + jinja2._stringdefs + ~~~~~~~~~~~~~~~~~~ + + Strings of all Unicode characters of a certain category. + Used for matching in Unicode-aware languages. Run to regenerate. + + Inspired by chartypes_create.py from the MoinMoin project, original + implementation from Pygments. + + :copyright: Copyright 2006-2009 by the Jinja team, see AUTHORS. + :license: BSD, see LICENSE for details. +""" + +from jinja2._compat import unichr + +Cc = u'\x00\x01\x02\x03\x04\x05\x06\x07\x08\t\n\x0b\x0c\r\x0e\x0f\x10\x11\x12\x13\x14\x15\x16\x17\x18\x19\x1a\x1b\x1c\x1d\x1e\x1f\x7f\x80\x81\x82\x83\x84\x85\x86\x87\x88\x89\x8a\x8b\x8c\x8d\x8e\x8f\x90\x91\x92\x93\x94\x95\x96\x97\x98\x99\x9a\x9b\x9c\x9d\x9e\x9f' + +Cf = u'\xad\u0600\u0601\u0602\u0603\u06dd\u070f\u17b4\u17b5\u200b\u200c\u200d\u200e\u200f\u202a\u202b\u202c\u202d\u202e\u2060\u2061\u2062\u2063\u206a\u206b\u206c\u206d\u206e\u206f\ufeff\ufff9\ufffa\ufffb' + +Cn = 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d4\uabd5\uabd6\uabd7\uabd8\uabd9\uabda\uabdb\uabdc\uabdd\uabde\uabdf\uabe0\uabe1\uabe2\uabe3\uabe4\uabe5\uabe6\uabe7\uabe8\uabe9\uabea\uabeb\uabec\uabed\uabee\uabef\uabf0\uabf1\uabf2\uabf3\uabf4\uabf5\uabf6\uabf7\uabf8\uabf9\uabfa\uabfb\uabfc\uabfd\uabfe\uabff\ud7a4\ud7a5\ud7a6\ud7a7\ud7a8\ud7a9\ud7aa\ud7ab\ud7ac\ud7ad\ud7ae\ud7af\ud7b0\ud7b1\ud7b2\ud7b3\ud7b4\ud7b5\ud7b6\ud7b7\ud7b8\ud7b9\ud7ba\ud7bb\ud7bc\ud7bd\ud7be\ud7bf\ud7c0\ud7c1\ud7c2\ud7c3\ud7c4\ud7c5\ud7c6\ud7c7\ud7c8\ud7c9\ud7ca\ud7cb\ud7cc\ud7cd\ud7ce\ud7cf\ud7d0\ud7d1\ud7d2\ud7d3\ud7d4\ud7d5\ud7d6\ud7d7\ud7d8\ud7d9\ud7da\ud7db\ud7dc\ud7dd\ud7de\ud7df\ud7e0\ud7e1\ud7e2\ud7e3\ud7e4\ud7e5\ud7e6\ud7e7\ud7e8\ud7e9\ud7ea\ud7eb\ud7ec\ud7ed\ud7ee\ud7ef\ud7f0\ud7f1\ud7f2\ud7f3\ud7f4\ud7f5\ud7f6\ud7f7\ud7f8\ud7f9\ud7fa\ud7fb\ud7fc\ud7fd\ud7fe\ud7ff\ufa2e\ufa2f\ufa6b\ufa6c\ufa6d\ufa6e\ufa6f\ufada\ufadb\ufadc\ufadd\ufade\ufadf\ufae0\ufae1\ufae2\ufae3\ufae4\ufae5\ufae6\ufae7\ufae8\ufae9\ufaea\ufaeb\ufaec\ufaed\ufaee\ufaef\ufaf0\ufaf1\ufaf2\ufaf3\ufaf4\ufaf5\ufaf6\ufaf7\ufaf8\ufaf9\ufafa\ufafb\ufafc\ufafd\ufafe\ufaff\ufb07\ufb08\ufb09\ufb0a\ufb0b\ufb0c\ufb0d\ufb0e\ufb0f\ufb10\ufb11\ufb12\ufb18\ufb19\ufb1a\ufb1b\ufb1c\ufb37\ufb3d\ufb3f\ufb42\ufb45\ufbb2\ufbb3\ufbb4\ufbb5\ufbb6\ufbb7\ufbb8\ufbb9\ufbba\ufbbb\ufbbc\ufbbd\ufbbe\ufbbf\ufbc0\ufbc1\ufbc2\ufbc3\ufbc4\ufbc5\ufbc6\ufbc7\ufbc8\ufbc9\ufbca\ufbcb\ufbcc\ufbcd\ufbce\ufbcf\ufbd0\ufbd1\ufbd2\ufd40\ufd41\ufd42\ufd43\ufd44\ufd45\ufd46\ufd47\ufd48\ufd49\ufd4a\ufd4b\ufd4c\ufd4d\ufd4e\ufd4f\ufd90\ufd91\ufdc8\ufdc9\ufdca\ufdcb\ufdcc\ufdcd\ufdce\ufdcf\ufdd0\ufdd1\ufdd2\ufdd3\ufdd4\ufdd5\ufdd6\ufdd7\ufdd8\ufdd9\ufdda\ufddb\ufddc\ufddd\ufdde\ufddf\ufde0\ufde1\ufde2\ufde3\ufde4\ufde5\ufde6\ufde7\ufde8\ufde9\ufdea\ufdeb\ufdec\ufded\ufdee\ufdef\ufdfe\ufdff\ufe1a\ufe1b\ufe1c\ufe1d\ufe1e\ufe1f\ufe24\ufe25\ufe26\ufe27\ufe28\ufe29\ufe2a\ufe2b\ufe2c\ufe2d\ufe2e\ufe2f\ufe53\ufe67\ufe6c\ufe6d\ufe6e\ufe6f\ufe75\ufefd\ufefe\uff00\uffbf\uffc0\uffc1\uffc8\uffc9\uffd0\uffd1\uffd8\uffd9\uffdd\uffde\uffdf\uffe7\uffef\ufff0\ufff1\ufff2\ufff3\ufff4\ufff5\ufff6\ufff7\ufff8\ufffe' + +Co = 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+ +try: + Cs = eval(r"'\ud800\ud801\ud802\ud803\ud804\ud805\ud806\ud807\ud808\ud809\ud80a\ud80b\ud80c\ud80d\ud80e\ud80f\ud810\ud811\ud812\ud813\ud814\ud815\ud816\ud817\ud818\ud819\ud81a\ud81b\ud81c\ud81d\ud81e\ud81f\ud820\ud821\ud822\ud823\ud824\ud825\ud826\ud827\ud828\ud829\ud82a\ud82b\ud82c\ud82d\ud82e\ud82f\ud830\ud831\ud832\ud833\ud834\ud835\ud836\ud837\ud838\ud839\ud83a\ud83b\ud83c\ud83d\ud83e\ud83f\ud840\ud841\ud842\ud843\ud844\ud845\ud846\ud847\ud848\ud849\ud84a\ud84b\ud84c\ud84d\ud84e\ud84f\ud850\ud851\ud852\ud853\ud854\ud855\ud856\ud857\ud858\ud859\ud85a\ud85b\ud85c\ud85d\ud85e\ud85f\ud860\ud861\ud862\ud863\ud864\ud865\ud866\ud867\ud868\ud869\ud86a\ud86b\ud86c\ud86d\ud86e\ud86f\ud870\ud871\ud872\ud873\ud874\ud875\ud876\ud877\ud878\ud879\ud87a\ud87b\ud87c\ud87d\ud87e\ud87f\ud880\ud881\ud882\ud883\ud884\ud885\ud886\ud887\ud888\ud889\ud88a\ud88b\ud88c\ud88d\ud88e\ud88f\ud890\ud891\ud892\ud893\ud894\ud895\ud896\ud897\ud898\ud899\ud89a\ud89b\ud89c\ud89d\ud89e\ud89f\ud8a0\ud8a1\ud8a2\ud8a3\ud8a4\ud8a5\ud8a6\ud8a7\ud8a8\ud8a9\ud8aa\ud8ab\ud8ac\ud8ad\ud8ae\ud8af\ud8b0\ud8b1\ud8b2\ud8b3\ud8b4\ud8b5\ud8b6\ud8b7\ud8b8\ud8b9\ud8ba\ud8bb\ud8bc\ud8bd\ud8be\ud8bf\ud8c0\ud8c1\ud8c2\ud8c3\ud8c4\ud8c5\ud8c6\ud8c7\ud8c8\ud8c9\ud8ca\ud8cb\ud8cc\ud8cd\ud8ce\ud8cf\ud8d0\ud8d1\ud8d2\ud8d3\ud8d4\ud8d5\ud8d6\ud8d7\ud8d8\ud8d9\ud8da\ud8db\ud8dc\ud8dd\ud8de\ud8df\ud8e0\ud8e1\ud8e2\ud8e3\ud8e4\ud8e5\ud8e6\ud8e7\ud8e8\ud8e9\ud8ea\ud8eb\ud8ec\ud8ed\ud8ee\ud8ef\ud8f0\ud8f1\ud8f2\ud8f3\ud8f4\ud8f5\ud8f6\ud8f7\ud8f8\ud8f9\ud8fa\ud8fb\ud8fc\ud8fd\ud8fe\ud8ff\ud900\ud901\ud902\ud903\ud904\ud905\ud906\ud907\ud908\ud909\ud90a\ud90b\ud90c\ud90d\ud90e\ud90f\ud910\ud911\ud912\ud913\ud914\ud915\ud916\ud917\ud918\ud919\ud91a\ud91b\ud91c\ud91d\ud91e\ud91f\ud920\ud921\ud922\ud923\ud924\ud925\ud926\ud927\ud928\ud929\ud92a\ud92b\ud92c\ud92d\ud92e\ud92f\ud930\ud931\ud932\ud933\ud934\ud935\ud936\ud937\ud938\ud939\ud93a\ud93b\ud93c\ud93d\ud93e\ud93f\ud940\ud941\ud942\ud943\ud944\ud945\ud946\ud947\ud948\ud949\ud94a\ud94b\ud94c\ud94d\ud94e\ud94f\ud950\ud951\ud952\ud953\ud954\ud955\ud956\ud957\ud958\ud959\ud95a\ud95b\ud95c\ud95d\ud95e\ud95f\ud960\ud961\ud962\ud963\ud964\ud965\ud966\ud967\ud968\ud969\ud96a\ud96b\ud96c\ud96d\ud96e\ud96f\ud970\ud971\ud972\ud973\ud974\ud975\ud976\ud977\ud978\ud979\ud97a\ud97b\ud97c\ud97d\ud97e\ud97f\ud980\ud981\ud982\ud983\ud984\ud985\ud986\ud987\ud988\ud989\ud98a\ud98b\ud98c\ud98d\ud98e\ud98f\ud990\ud991\ud992\ud993\ud994\ud995\ud996\ud997\ud998\ud999\ud99a\ud99b\ud99c\ud99d\ud99e\ud99f\ud9a0\ud9a1\ud9a2\ud9a3\ud9a4\ud9a5\ud9a6\ud9a7\ud9a8\ud9a9\ud9aa\ud9ab\ud9ac\ud9ad\ud9ae\ud9af\ud9b0\ud9b1\ud9b2\ud9b3\ud9b4\ud9b5\ud9b6\ud9b7\ud9b8\ud9b9\ud9ba\ud9bb\ud9bc\ud9bd\ud9be\ud9bf\ud9c0\ud9c1\ud9c2\ud9c3\ud9c4\ud9c5\ud9c6\ud9c7\ud9c8\ud9c9\ud9ca\ud9cb\ud9cc\ud9cd\ud9ce\ud9cf\ud9d0\ud9d1\ud9d2\ud9d3\ud9d4\ud9d5\ud9d6\ud9d7\ud9d8\ud9d9\ud9da\ud9db\ud9dc\ud9dd\ud9de\ud9df\ud9e0\ud9e1\ud9e2\ud9e3\ud9e4\ud9e5\ud9e6\ud9e7\ud9e8\ud9e9\ud9ea\ud9eb\ud9ec\ud9ed\ud9ee\ud9ef\ud9f0\ud9f1\ud9f2\ud9f3\ud9f4\ud9f5\ud9f6\ud9f7\ud9f8\ud9f9\ud9fa\ud9fb\ud9fc\ud9fd\ud9fe\ud9ff\uda00\uda01\uda02\uda03\uda04\uda05\uda06\uda07\uda08\uda09\uda0a\uda0b\uda0c\uda0d\uda0e\uda0f\uda10\uda11\uda12\uda13\uda14\uda15\uda16\uda17\uda18\uda19\uda1a\uda1b\uda1c\uda1d\uda1e\uda1f\uda20\uda21\uda22\uda23\uda24\uda25\uda26\uda27\uda28\uda29\uda2a\uda2b\uda2c\uda2d\uda2e\uda2f\uda30\uda31\uda32\uda33\uda34\uda35\uda36\uda37\uda38\uda39\uda3a\uda3b\uda3c\uda3d\uda3e\uda3f\uda40\uda41\uda42\uda43\uda44\uda45\uda46\uda47\uda48\uda49\uda4a\uda4b\uda4c\uda4d\uda4e\uda4f\uda50\uda51\uda52\uda53\uda54\uda55\uda56\uda57\uda58\uda59\uda5a\uda5b\uda5c\uda5d\uda5e\uda5f\uda60\uda61\uda62\uda63\uda64\uda65\uda66\uda67\uda68\uda69\uda6a\uda6b\uda6c\uda6d\uda6e\uda6f\uda70\uda71\uda72\uda73\uda74\uda75\uda76\uda77\uda78\uda79\uda7a\uda7b\uda7c\uda7d\uda7e\uda7f\uda80\uda81\uda82\uda83\uda84\uda85\uda86\uda87\uda88\uda89\uda8a\uda8b\uda8c\uda8d\uda8e\uda8f\uda90\uda91\uda92\uda93\uda94\uda95\uda96\uda97\uda98\uda99\uda9a\uda9b\uda9c\uda9d\uda9e\uda9f\udaa0\udaa1\udaa2\udaa3\udaa4\udaa5\udaa6\udaa7\udaa8\udaa9\udaaa\udaab\udaac\udaad\udaae\udaaf\udab0\udab1\udab2\udab3\udab4\udab5\udab6\udab7\udab8\udab9\udaba\udabb\udabc\udabd\udabe\udabf\udac0\udac1\udac2\udac3\udac4\udac5\udac6\udac7\udac8\udac9\udaca\udacb\udacc\udacd\udace\udacf\udad0\udad1\udad2\udad3\udad4\udad5\udad6\udad7\udad8\udad9\udada\udadb\udadc\udadd\udade\udadf\udae0\udae1\udae2\udae3\udae4\udae5\udae6\udae7\udae8\udae9\udaea\udaeb\udaec\udaed\udaee\udaef\udaf0\udaf1\udaf2\udaf3\udaf4\udaf5\udaf6\udaf7\udaf8\udaf9\udafa\udafb\udafc\udafd\udafe\udaff\udb00\udb01\udb02\udb03\udb04\udb05\udb06\udb07\udb08\udb09\udb0a\udb0b\udb0c\udb0d\udb0e\udb0f\udb10\udb11\udb12\udb13\udb14\udb15\udb16\udb17\udb18\udb19\udb1a\udb1b\udb1c\udb1d\udb1e\udb1f\udb20\udb21\udb22\udb23\udb24\udb25\udb26\udb27\udb28\udb29\udb2a\udb2b\udb2c\udb2d\udb2e\udb2f\udb30\udb31\udb32\udb33\udb34\udb35\udb36\udb37\udb38\udb39\udb3a\udb3b\udb3c\udb3d\udb3e\udb3f\udb40\udb41\udb42\udb43\udb44\udb45\udb46\udb47\udb48\udb49\udb4a\udb4b\udb4c\udb4d\udb4e\udb4f\udb50\udb51\udb52\udb53\udb54\udb55\udb56\udb57\udb58\udb59\udb5a\udb5b\udb5c\udb5d\udb5e\udb5f\udb60\udb61\udb62\udb63\udb64\udb65\udb66\udb67\udb68\udb69\udb6a\udb6b\udb6c\udb6d\udb6e\udb6f\udb70\udb71\udb72\udb73\udb74\udb75\udb76\udb77\udb78\udb79\udb7a\udb7b\udb7c\udb7d\udb7e\udb7f\udb80\udb81\udb82\udb83\udb84\udb85\udb86\udb87\udb88\udb89\udb8a\udb8b\udb8c\udb8d\udb8e\udb8f\udb90\udb91\udb92\udb93\udb94\udb95\udb96\udb97\udb98\udb99\udb9a\udb9b\udb9c\udb9d\udb9e\udb9f\udba0\udba1\udba2\udba3\udba4\udba5\udba6\udba7\udba8\udba9\udbaa\udbab\udbac\udbad\udbae\udbaf\udbb0\udbb1\udbb2\udbb3\udbb4\udbb5\udbb6\udbb7\udbb8\udbb9\udbba\udbbb\udbbc\udbbd\udbbe\udbbf\udbc0\udbc1\udbc2\udbc3\udbc4\udbc5\udbc6\udbc7\udbc8\udbc9\udbca\udbcb\udbcc\udbcd\udbce\udbcf\udbd0\udbd1\udbd2\udbd3\udbd4\udbd5\udbd6\udbd7\udbd8\udbd9\udbda\udbdb\udbdc\udbdd\udbde\udbdf\udbe0\udbe1\udbe2\udbe3\udbe4\udbe5\udbe6\udbe7\udbe8\udbe9\udbea\udbeb\udbec\udbed\udbee\udbef\udbf0\udbf1\udbf2\udbf3\udbf4\udbf5\udbf6\udbf7\udbf8\udbf9\udbfa\udbfb\udbfc\udbfd\udbfe\U0010fc00\udc01\udc02\udc03\udc04\udc05\udc06\udc07\udc08\udc09\udc0a\udc0b\udc0c\udc0d\udc0e\udc0f\udc10\udc11\udc12\udc13\udc14\udc15\udc16\udc17\udc18\udc19\udc1a\udc1b\udc1c\udc1d\udc1e\udc1f\udc20\udc21\udc22\udc23\udc24\udc25\udc26\udc27\udc28\udc29\udc2a\udc2b\udc2c\udc2d\udc2e\udc2f\udc30\udc31\udc32\udc33\udc34\udc35\udc36\udc37\udc38\udc39\udc3a\udc3b\udc3c\udc3d\udc3e\udc3f\udc40\udc41\udc42\udc43\udc44\udc45\udc46\udc47\udc48\udc49\udc4a\udc4b\udc4c\udc4d\udc4e\udc4f\udc50\udc51\udc52\udc53\udc54\udc55\udc56\udc57\udc58\udc59\udc5a\udc5b\udc5c\udc5d\udc5e\udc5f\udc60\udc61\udc62\udc63\udc64\udc65\udc66\udc67\udc68\udc69\udc6a\udc6b\udc6c\udc6d\udc6e\udc6f\udc70\udc71\udc72\udc73\udc74\udc75\udc76\udc77\udc78\udc79\udc7a\udc7b\udc7c\udc7d\udc7e\udc7f\udc80\udc81\udc82\udc83\udc84\udc85\udc86\udc87\udc88\udc89\udc8a\udc8b\udc8c\udc8d\udc8e\udc8f\udc90\udc91\udc92\udc93\udc94\udc95\udc96\udc97\udc98\udc99\udc9a\udc9b\udc9c\udc9d\udc9e\udc9f\udca0\udca1\udca2\udca3\udca4\udca5\udca6\udca7\udca8\udca9\udcaa\udcab\udcac\udcad\udcae\udcaf\udcb0\udcb1\udcb2\udcb3\udcb4\udcb5\udcb6\udcb7\udcb8\udcb9\udcba\udcbb\udcbc\udcbd\udcbe\udcbf\udcc0\udcc1\udcc2\udcc3\udcc4\udcc5\udcc6\udcc7\udcc8\udcc9\udcca\udccb\udccc\udccd\udcce\udccf\udcd0\udcd1\udcd2\udcd3\udcd4\udcd5\udcd6\udcd7\udcd8\udcd9\udcda\udcdb\udcdc\udcdd\udcde\udcdf\udce0\udce1\udce2\udce3\udce4\udce5\udce6\udce7\udce8\udce9\udcea\udceb\udcec\udced\udcee\udcef\udcf0\udcf1\udcf2\udcf3\udcf4\udcf5\udcf6\udcf7\udcf8\udcf9\udcfa\udcfb\udcfc\udcfd\udcfe\udcff\udd00\udd01\udd02\udd03\udd04\udd05\udd06\udd07\udd08\udd09\udd0a\udd0b\udd0c\udd0d\udd0e\udd0f\udd10\udd11\udd12\udd13\udd14\udd15\udd16\udd17\udd18\udd19\udd1a\udd1b\udd1c\udd1d\udd1e\udd1f\udd20\udd21\udd22\udd23\udd24\udd25\udd26\udd27\udd28\udd29\udd2a\udd2b\udd2c\udd2d\udd2e\udd2f\udd30\udd31\udd32\udd33\udd34\udd35\udd36\udd37\udd38\udd39\udd3a\udd3b\udd3c\udd3d\udd3e\udd3f\udd40\udd41\udd42\udd43\udd44\udd45\udd46\udd47\udd48\udd49\udd4a\udd4b\udd4c\udd4d\udd4e\udd4f\udd50\udd51\udd52\udd53\udd54\udd55\udd56\udd57\udd58\udd59\udd5a\udd5b\udd5c\udd5d\udd5e\udd5f\udd60\udd61\udd62\udd63\udd64\udd65\udd66\udd67\udd68\udd69\udd6a\udd6b\udd6c\udd6d\udd6e\udd6f\udd70\udd71\udd72\udd73\udd74\udd75\udd76\udd77\udd78\udd79\udd7a\udd7b\udd7c\udd7d\udd7e\udd7f\udd80\udd81\udd82\udd83\udd84\udd85\udd86\udd87\udd88\udd89\udd8a\udd8b\udd8c\udd8d\udd8e\udd8f\udd90\udd91\udd92\udd93\udd94\udd95\udd96\udd97\udd98\udd99\udd9a\udd9b\udd9c\udd9d\udd9e\udd9f\udda0\udda1\udda2\udda3\udda4\udda5\udda6\udda7\udda8\udda9\uddaa\uddab\uddac\uddad\uddae\uddaf\uddb0\uddb1\uddb2\uddb3\uddb4\uddb5\uddb6\uddb7\uddb8\uddb9\uddba\uddbb\uddbc\uddbd\uddbe\uddbf\uddc0\uddc1\uddc2\uddc3\uddc4\uddc5\uddc6\uddc7\uddc8\uddc9\uddca\uddcb\uddcc\uddcd\uddce\uddcf\uddd0\uddd1\uddd2\uddd3\uddd4\uddd5\uddd6\uddd7\uddd8\uddd9\uddda\udddb\udddc\udddd\uddde\udddf\udde0\udde1\udde2\udde3\udde4\udde5\udde6\udde7\udde8\udde9\uddea\uddeb\uddec\udded\uddee\uddef\uddf0\uddf1\uddf2\uddf3\uddf4\uddf5\uddf6\uddf7\uddf8\uddf9\uddfa\uddfb\uddfc\uddfd\uddfe\uddff\ude00\ude01\ude02\ude03\ude04\ude05\ude06\ude07\ude08\ude09\ude0a\ude0b\ude0c\ude0d\ude0e\ude0f\ude10\ude11\ude12\ude13\ude14\ude15\ude16\ude17\ude18\ude19\ude1a\ude1b\ude1c\ude1d\ude1e\ude1f\ude20\ude21\ude22\ude23\ude24\ude25\ude26\ude27\ude28\ude29\ude2a\ude2b\ude2c\ude2d\ude2e\ude2f\ude30\ude31\ude32\ude33\ude34\ude35\ude36\ude37\ude38\ude39\ude3a\ude3b\ude3c\ude3d\ude3e\ude3f\ude40\ude41\ude42\ude43\ude44\ude45\ude46\ude47\ude48\ude49\ude4a\ude4b\ude4c\ude4d\ude4e\ude4f\ude50\ude51\ude52\ude53\ude54\ude55\ude56\ude57\ude58\ude59\ude5a\ude5b\ude5c\ude5d\ude5e\ude5f\ude60\ude61\ude62\ude63\ude64\ude65\ude66\ude67\ude68\ude69\ude6a\ude6b\ude6c\ude6d\ude6e\ude6f\ude70\ude71\ude72\ude73\ude74\ude75\ude76\ude77\ude78\ude79\ude7a\ude7b\ude7c\ude7d\ude7e\ude7f\ude80\ude81\ude82\ude83\ude84\ude85\ude86\ude87\ude88\ude89\ude8a\ude8b\ude8c\ude8d\ude8e\ude8f\ude90\ude91\ude92\ude93\ude94\ude95\ude96\ude97\ude98\ude99\ude9a\ude9b\ude9c\ude9d\ude9e\ude9f\udea0\udea1\udea2\udea3\udea4\udea5\udea6\udea7\udea8\udea9\udeaa\udeab\udeac\udead\udeae\udeaf\udeb0\udeb1\udeb2\udeb3\udeb4\udeb5\udeb6\udeb7\udeb8\udeb9\udeba\udebb\udebc\udebd\udebe\udebf\udec0\udec1\udec2\udec3\udec4\udec5\udec6\udec7\udec8\udec9\udeca\udecb\udecc\udecd\udece\udecf\uded0\uded1\uded2\uded3\uded4\uded5\uded6\uded7\uded8\uded9\udeda\udedb\udedc\udedd\udede\udedf\udee0\udee1\udee2\udee3\udee4\udee5\udee6\udee7\udee8\udee9\udeea\udeeb\udeec\udeed\udeee\udeef\udef0\udef1\udef2\udef3\udef4\udef5\udef6\udef7\udef8\udef9\udefa\udefb\udefc\udefd\udefe\udeff\udf00\udf01\udf02\udf03\udf04\udf05\udf06\udf07\udf08\udf09\udf0a\udf0b\udf0c\udf0d\udf0e\udf0f\udf10\udf11\udf12\udf13\udf14\udf15\udf16\udf17\udf18\udf19\udf1a\udf1b\udf1c\udf1d\udf1e\udf1f\udf20\udf21\udf22\udf23\udf24\udf25\udf26\udf27\udf28\udf29\udf2a\udf2b\udf2c\udf2d\udf2e\udf2f\udf30\udf31\udf32\udf33\udf34\udf35\udf36\udf37\udf38\udf39\udf3a\udf3b\udf3c\udf3d\udf3e\udf3f\udf40\udf41\udf42\udf43\udf44\udf45\udf46\udf47\udf48\udf49\udf4a\udf4b\udf4c\udf4d\udf4e\udf4f\udf50\udf51\udf52\udf53\udf54\udf55\udf56\udf57\udf58\udf59\udf5a\udf5b\udf5c\udf5d\udf5e\udf5f\udf60\udf61\udf62\udf63\udf64\udf65\udf66\udf67\udf68\udf69\udf6a\udf6b\udf6c\udf6d\udf6e\udf6f\udf70\udf71\udf72\udf73\udf74\udf75\udf76\udf77\udf78\udf79\udf7a\udf7b\udf7c\udf7d\udf7e\udf7f\udf80\udf81\udf82\udf83\udf84\udf85\udf86\udf87\udf88\udf89\udf8a\udf8b\udf8c\udf8d\udf8e\udf8f\udf90\udf91\udf92\udf93\udf94\udf95\udf96\udf97\udf98\udf99\udf9a\udf9b\udf9c\udf9d\udf9e\udf9f\udfa0\udfa1\udfa2\udfa3\udfa4\udfa5\udfa6\udfa7\udfa8\udfa9\udfaa\udfab\udfac\udfad\udfae\udfaf\udfb0\udfb1\udfb2\udfb3\udfb4\udfb5\udfb6\udfb7\udfb8\udfb9\udfba\udfbb\udfbc\udfbd\udfbe\udfbf\udfc0\udfc1\udfc2\udfc3\udfc4\udfc5\udfc6\udfc7\udfc8\udfc9\udfca\udfcb\udfcc\udfcd\udfce\udfcf\udfd0\udfd1\udfd2\udfd3\udfd4\udfd5\udfd6\udfd7\udfd8\udfd9\udfda\udfdb\udfdc\udfdd\udfde\udfdf\udfe0\udfe1\udfe2\udfe3\udfe4\udfe5\udfe6\udfe7\udfe8\udfe9\udfea\udfeb\udfec\udfed\udfee\udfef\udff0\udff1\udff2\udff3\udff4\udff5\udff6\udff7\udff8\udff9\udffa\udffb\udffc\udffd\udffe\udfff'") +except UnicodeDecodeError: + Cs = '' # Jython can't handle isolated surrogates + +Ll = u'abcdefghijklmnopqrstuvwxyz\xaa\xb5\xba\xdf\xe0\xe1\xe2\xe3\xe4\xe5\xe6\xe7\xe8\xe9\xea\xeb\xec\xed\xee\xef\xf0\xf1\xf2\xf3\xf4\xf5\xf6\xf8\xf9\xfa\xfb\xfc\xfd\xfe\xff\u0101\u0103\u0105\u0107\u0109\u010b\u010d\u010f\u0111\u0113\u0115\u0117\u0119\u011b\u011d\u011f\u0121\u0123\u0125\u0127\u0129\u012b\u012d\u012f\u0131\u0133\u0135\u0137\u0138\u013a\u013c\u013e\u0140\u0142\u0144\u0146\u0148\u0149\u014b\u014d\u014f\u0151\u0153\u0155\u0157\u0159\u015b\u015d\u015f\u0161\u0163\u0165\u0167\u0169\u016b\u016d\u016f\u0171\u0173\u0175\u0177\u017a\u017c\u017e\u017f\u0180\u0183\u0185\u0188\u018c\u018d\u0192\u0195\u0199\u019a\u019b\u019e\u01a1\u01a3\u01a5\u01a8\u01aa\u01ab\u01ad\u01b0\u01b4\u01b6\u01b9\u01ba\u01bd\u01be\u01bf\u01c6\u01c9\u01cc\u01ce\u01d0\u01d2\u01d4\u01d6\u01d8\u01da\u01dc\u01dd\u01df\u01e1\u01e3\u01e5\u01e7\u01e9\u01eb\u01ed\u01ef\u01f0\u01f3\u01f5\u01f9\u01fb\u01fd\u01ff\u0201\u0203\u0205\u0207\u0209\u020b\u020d\u020f\u0211\u0213\u0215\u0217\u0219\u021b\u021d\u021f\u0221\u0223\u0225\u0227\u0229\u022b\u022d\u022f\u0231\u0233\u0234\u0235\u0236\u0237\u0238\u0239\u023c\u023f\u0240\u0250\u0251\u0252\u0253\u0254\u0255\u0256\u0257\u0258\u0259\u025a\u025b\u025c\u025d\u025e\u025f\u0260\u0261\u0262\u0263\u0264\u0265\u0266\u0267\u0268\u0269\u026a\u026b\u026c\u026d\u026e\u026f\u0270\u0271\u0272\u0273\u0274\u0275\u0276\u0277\u0278\u0279\u027a\u027b\u027c\u027d\u027e\u027f\u0280\u0281\u0282\u0283\u0284\u0285\u0286\u0287\u0288\u0289\u028a\u028b\u028c\u028d\u028e\u028f\u0290\u0291\u0292\u0293\u0294\u0295\u0296\u0297\u0298\u0299\u029a\u029b\u029c\u029d\u029e\u029f\u02a0\u02a1\u02a2\u02a3\u02a4\u02a5\u02a6\u02a7\u02a8\u02a9\u02aa\u02ab\u02ac\u02ad\u02ae\u02af\u0390\u03ac\u03ad\u03ae\u03af\u03b0\u03b1\u03b2\u03b3\u03b4\u03b5\u03b6\u03b7\u03b8\u03b9\u03ba\u03bb\u03bc\u03bd\u03be\u03bf\u03c0\u03c1\u03c2\u03c3\u03c4\u03c5\u03c6\u03c7\u03c8\u03c9\u03ca\u03cb\u03cc\u03cd\u03ce\u03d0\u03d1\u03d5\u03d6\u03d7\u03d9\u03db\u03dd\u03df\u03e1\u03e3\u03e5\u03e7\u03e9\u03eb\u03ed\u03ef\u03f0\u03f1\u03f2\u03f3\u03f5\u03f8\u03fb\u03fc\u0430\u0431\u0432\u0433\u0434\u0435\u0436\u0437\u0438\u0439\u043a\u043b\u043c\u043d\u043e\u043f\u0440\u0441\u0442\u0443\u0444\u0445\u0446\u0447\u0448\u0449\u044a\u044b\u044c\u044d\u044e\u044f\u0450\u0451\u0452\u0453\u0454\u0455\u0456\u0457\u0458\u0459\u045a\u045b\u045c\u045d\u045e\u045f\u0461\u0463\u0465\u0467\u0469\u046b\u046d\u046f\u0471\u0473\u0475\u0477\u0479\u047b\u047d\u047f\u0481\u048b\u048d\u048f\u0491\u0493\u0495\u0497\u0499\u049b\u049d\u049f\u04a1\u04a3\u04a5\u04a7\u04a9\u04ab\u04ad\u04af\u04b1\u04b3\u04b5\u04b7\u04b9\u04bb\u04bd\u04bf\u04c2\u04c4\u04c6\u04c8\u04ca\u04cc\u04ce\u04d1\u04d3\u04d5\u04d7\u04d9\u04db\u04dd\u04df\u04e1\u04e3\u04e5\u04e7\u04e9\u04eb\u04ed\u04ef\u04f1\u04f3\u04f5\u04f7\u04f9\u0501\u0503\u0505\u0507\u0509\u050b\u050d\u050f\u0561\u0562\u0563\u0564\u0565\u0566\u0567\u0568\u0569\u056a\u056b\u056c\u056d\u056e\u056f\u0570\u0571\u0572\u0573\u0574\u0575\u0576\u0577\u0578\u0579\u057a\u057b\u057c\u057d\u057e\u057f\u0580\u0581\u0582\u0583\u0584\u0585\u0586\u0587\u1d00\u1d01\u1d02\u1d03\u1d04\u1d05\u1d06\u1d07\u1d08\u1d09\u1d0a\u1d0b\u1d0c\u1d0d\u1d0e\u1d0f\u1d10\u1d11\u1d12\u1d13\u1d14\u1d15\u1d16\u1d17\u1d18\u1d19\u1d1a\u1d1b\u1d1c\u1d1d\u1d1e\u1d1f\u1d20\u1d21\u1d22\u1d23\u1d24\u1d25\u1d26\u1d27\u1d28\u1d29\u1d2a\u1d2b\u1d62\u1d63\u1d64\u1d65\u1d66\u1d67\u1d68\u1d69\u1d6a\u1d6b\u1d6c\u1d6d\u1d6e\u1d6f\u1d70\u1d71\u1d72\u1d73\u1d74\u1d75\u1d76\u1d77\u1d79\u1d7a\u1d7b\u1d7c\u1d7d\u1d7e\u1d7f\u1d80\u1d81\u1d82\u1d83\u1d84\u1d85\u1d86\u1d87\u1d88\u1d89\u1d8a\u1d8b\u1d8c\u1d8d\u1d8e\u1d8f\u1d90\u1d91\u1d92\u1d93\u1d94\u1d95\u1d96\u1d97\u1d98\u1d99\u1d9a\u1e01\u1e03\u1e05\u1e07\u1e09\u1e0b\u1e0d\u1e0f\u1e11\u1e13\u1e15\u1e17\u1e19\u1e1b\u1e1d\u1e1f\u1e21\u1e23\u1e25\u1e27\u1e29\u1e2b\u1e2d\u1e2f\u1e31\u1e33\u1e35\u1e37\u1e39\u1e3b\u1e3d\u1e3f\u1e41\u1e43\u1e45\u1e47\u1e49\u1e4b\u1e4d\u1e4f\u1e51\u1e53\u1e55\u1e57\u1e59\u1e5b\u1e5d\u1e5f\u1e61\u1e63\u1e65\u1e67\u1e69\u1e6b\u1e6d\u1e6f\u1e71\u1e73\u1e75\u1e77\u1e79\u1e7b\u1e7d\u1e7f\u1e81\u1e83\u1e85\u1e87\u1e89\u1e8b\u1e8d\u1e8f\u1e91\u1e93\u1e95\u1e96\u1e97\u1e98\u1e99\u1e9a\u1e9b\u1ea1\u1ea3\u1ea5\u1ea7\u1ea9\u1eab\u1ead\u1eaf\u1eb1\u1eb3\u1eb5\u1eb7\u1eb9\u1ebb\u1ebd\u1ebf\u1ec1\u1ec3\u1ec5\u1ec7\u1ec9\u1ecb\u1ecd\u1ecf\u1ed1\u1ed3\u1ed5\u1ed7\u1ed9\u1edb\u1edd\u1edf\u1ee1\u1ee3\u1ee5\u1ee7\u1ee9\u1eeb\u1eed\u1eef\u1ef1\u1ef3\u1ef5\u1ef7\u1ef9\u1f00\u1f01\u1f02\u1f03\u1f04\u1f05\u1f06\u1f07\u1f10\u1f11\u1f12\u1f13\u1f14\u1f15\u1f20\u1f21\u1f22\u1f23\u1f24\u1f25\u1f26\u1f27\u1f30\u1f31\u1f32\u1f33\u1f34\u1f35\u1f36\u1f37\u1f40\u1f41\u1f42\u1f43\u1f44\u1f45\u1f50\u1f51\u1f52\u1f53\u1f54\u1f55\u1f56\u1f57\u1f60\u1f61\u1f62\u1f63\u1f64\u1f65\u1f66\u1f67\u1f70\u1f71\u1f72\u1f73\u1f74\u1f75\u1f76\u1f77\u1f78\u1f79\u1f7a\u1f7b\u1f7c\u1f7d\u1f80\u1f81\u1f82\u1f83\u1f84\u1f85\u1f86\u1f87\u1f90\u1f91\u1f92\u1f93\u1f94\u1f95\u1f96\u1f97\u1fa0\u1fa1\u1fa2\u1fa3\u1fa4\u1fa5\u1fa6\u1fa7\u1fb0\u1fb1\u1fb2\u1fb3\u1fb4\u1fb6\u1fb7\u1fbe\u1fc2\u1fc3\u1fc4\u1fc6\u1fc7\u1fd0\u1fd1\u1fd2\u1fd3\u1fd6\u1fd7\u1fe0\u1fe1\u1fe2\u1fe3\u1fe4\u1fe5\u1fe6\u1fe7\u1ff2\u1ff3\u1ff4\u1ff6\u1ff7\u2071\u207f\u210a\u210e\u210f\u2113\u212f\u2134\u2139\u213c\u213d\u2146\u2147\u2148\u2149\u2c30\u2c31\u2c32\u2c33\u2c34\u2c35\u2c36\u2c37\u2c38\u2c39\u2c3a\u2c3b\u2c3c\u2c3d\u2c3e\u2c3f\u2c40\u2c41\u2c42\u2c43\u2c44\u2c45\u2c46\u2c47\u2c48\u2c49\u2c4a\u2c4b\u2c4c\u2c4d\u2c4e\u2c4f\u2c50\u2c51\u2c52\u2c53\u2c54\u2c55\u2c56\u2c57\u2c58\u2c59\u2c5a\u2c5b\u2c5c\u2c5d\u2c5e\u2c81\u2c83\u2c85\u2c87\u2c89\u2c8b\u2c8d\u2c8f\u2c91\u2c93\u2c95\u2c97\u2c99\u2c9b\u2c9d\u2c9f\u2ca1\u2ca3\u2ca5\u2ca7\u2ca9\u2cab\u2cad\u2caf\u2cb1\u2cb3\u2cb5\u2cb7\u2cb9\u2cbb\u2cbd\u2cbf\u2cc1\u2cc3\u2cc5\u2cc7\u2cc9\u2ccb\u2ccd\u2ccf\u2cd1\u2cd3\u2cd5\u2cd7\u2cd9\u2cdb\u2cdd\u2cdf\u2ce1\u2ce3\u2ce4\u2d00\u2d01\u2d02\u2d03\u2d04\u2d05\u2d06\u2d07\u2d08\u2d09\u2d0a\u2d0b\u2d0c\u2d0d\u2d0e\u2d0f\u2d10\u2d11\u2d12\u2d13\u2d14\u2d15\u2d16\u2d17\u2d18\u2d19\u2d1a\u2d1b\u2d1c\u2d1d\u2d1e\u2d1f\u2d20\u2d21\u2d22\u2d23\u2d24\u2d25\ufb00\ufb01\ufb02\ufb03\ufb04\ufb05\ufb06\ufb13\ufb14\ufb15\ufb16\ufb17\uff41\uff42\uff43\uff44\uff45\uff46\uff47\uff48\uff49\uff4a\uff4b\uff4c\uff4d\uff4e\uff4f\uff50\uff51\uff52\uff53\uff54\uff55\uff56\uff57\uff58\uff59\uff5a' + +Lm = u'\u02b0\u02b1\u02b2\u02b3\u02b4\u02b5\u02b6\u02b7\u02b8\u02b9\u02ba\u02bb\u02bc\u02bd\u02be\u02bf\u02c0\u02c1\u02c6\u02c7\u02c8\u02c9\u02ca\u02cb\u02cc\u02cd\u02ce\u02cf\u02d0\u02d1\u02e0\u02e1\u02e2\u02e3\u02e4\u02ee\u037a\u0559\u0640\u06e5\u06e6\u0e46\u0ec6\u10fc\u17d7\u1843\u1d2c\u1d2d\u1d2e\u1d2f\u1d30\u1d31\u1d32\u1d33\u1d34\u1d35\u1d36\u1d37\u1d38\u1d39\u1d3a\u1d3b\u1d3c\u1d3d\u1d3e\u1d3f\u1d40\u1d41\u1d42\u1d43\u1d44\u1d45\u1d46\u1d47\u1d48\u1d49\u1d4a\u1d4b\u1d4c\u1d4d\u1d4e\u1d4f\u1d50\u1d51\u1d52\u1d53\u1d54\u1d55\u1d56\u1d57\u1d58\u1d59\u1d5a\u1d5b\u1d5c\u1d5d\u1d5e\u1d5f\u1d60\u1d61\u1d78\u1d9b\u1d9c\u1d9d\u1d9e\u1d9f\u1da0\u1da1\u1da2\u1da3\u1da4\u1da5\u1da6\u1da7\u1da8\u1da9\u1daa\u1dab\u1dac\u1dad\u1dae\u1daf\u1db0\u1db1\u1db2\u1db3\u1db4\u1db5\u1db6\u1db7\u1db8\u1db9\u1dba\u1dbb\u1dbc\u1dbd\u1dbe\u1dbf\u2090\u2091\u2092\u2093\u2094\u2d6f\u3005\u3031\u3032\u3033\u3034\u3035\u303b\u309d\u309e\u30fc\u30fd\u30fe\ua015\uff70\uff9e\uff9f' + +Lo = 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fd56\ufd57\ufd58\ufd59\ufd5a\ufd5b\ufd5c\ufd5d\ufd5e\ufd5f\ufd60\ufd61\ufd62\ufd63\ufd64\ufd65\ufd66\ufd67\ufd68\ufd69\ufd6a\ufd6b\ufd6c\ufd6d\ufd6e\ufd6f\ufd70\ufd71\ufd72\ufd73\ufd74\ufd75\ufd76\ufd77\ufd78\ufd79\ufd7a\ufd7b\ufd7c\ufd7d\ufd7e\ufd7f\ufd80\ufd81\ufd82\ufd83\ufd84\ufd85\ufd86\ufd87\ufd88\ufd89\ufd8a\ufd8b\ufd8c\ufd8d\ufd8e\ufd8f\ufd92\ufd93\ufd94\ufd95\ufd96\ufd97\ufd98\ufd99\ufd9a\ufd9b\ufd9c\ufd9d\ufd9e\ufd9f\ufda0\ufda1\ufda2\ufda3\ufda4\ufda5\ufda6\ufda7\ufda8\ufda9\ufdaa\ufdab\ufdac\ufdad\ufdae\ufdaf\ufdb0\ufdb1\ufdb2\ufdb3\ufdb4\ufdb5\ufdb6\ufdb7\ufdb8\ufdb9\ufdba\ufdbb\ufdbc\ufdbd\ufdbe\ufdbf\ufdc0\ufdc1\ufdc2\ufdc3\ufdc4\ufdc5\ufdc6\ufdc7\ufdf0\ufdf1\ufdf2\ufdf3\ufdf4\ufdf5\ufdf6\ufdf7\ufdf8\ufdf9\ufdfa\ufdfb\ufe70\ufe71\ufe72\ufe73\ufe74\ufe76\ufe77\ufe78\ufe79\ufe7a\ufe7b\ufe7c\ufe7d\ufe7e\ufe7f\ufe80\ufe81\ufe82\ufe83\ufe84\ufe85\ufe86\ufe87\ufe88\ufe89\ufe8a\ufe8b\ufe8c\ufe8d\ufe8e\ufe8f\ufe90\ufe91\ufe92\ufe93\ufe94\ufe95\ufe96\ufe97\ufe98\ufe99\ufe9a\ufe9b\ufe9c\ufe9d\ufe9e\ufe9f\ufea0\ufea1\ufea2\ufea3\ufea4\ufea5\ufea6\ufea7\ufea8\ufea9\ufeaa\ufeab\ufeac\ufead\ufeae\ufeaf\ufeb0\ufeb1\ufeb2\ufeb3\ufeb4\ufeb5\ufeb6\ufeb7\ufeb8\ufeb9\ufeba\ufebb\ufebc\ufebd\ufebe\ufebf\ufec0\ufec1\ufec2\ufec3\ufec4\ufec5\ufec6\ufec7\ufec8\ufec9\ufeca\ufecb\ufecc\ufecd\ufece\ufecf\ufed0\ufed1\ufed2\ufed3\ufed4\ufed5\ufed6\ufed7\ufed8\ufed9\ufeda\ufedb\ufedc\ufedd\ufede\ufedf\ufee0\ufee1\ufee2\ufee3\ufee4\ufee5\ufee6\ufee7\ufee8\ufee9\ufeea\ufeeb\ufeec\ufeed\ufeee\ufeef\ufef0\ufef1\ufef2\ufef3\ufef4\ufef5\ufef6\ufef7\ufef8\ufef9\ufefa\ufefb\ufefc\uff66\uff67\uff68\uff69\uff6a\uff6b\uff6c\uff6d\uff6e\uff6f\uff71\uff72\uff73\uff74\uff75\uff76\uff77\uff78\uff79\uff7a\uff7b\uff7c\uff7d\uff7e\uff7f\uff80\uff81\uff82\uff83\uff84\uff85\uff86\uff87\uff88\uff89\uff8a\uff8b\uff8c\uff8d\uff8e\uff8f\uff90\uff91\uff92\uff93\uff94\uff95\uff96\uff97\uff98\uff99\uff9a\uff9b\uff9c\uff9d\uffa0\uffa1\uffa2\uffa3\uffa4\uffa5\uffa6\uffa7\uffa8\uffa9\uffaa\uffab\uffac\uffad\uffae\uffaf\uffb0\uffb1\uffb2\uffb3\uffb4\uffb5\uffb6\uffb7\uffb8\uffb9\uffba\uffbb\uffbc\uffbd\uffbe\uffc2\uffc3\uffc4\uffc5\uffc6\uffc7\uffca\uffcb\uffcc\uffcd\uffce\uffcf\uffd2\uffd3\uffd4\uffd5\uffd6\uffd7\uffda\uffdb\uffdc' + +Lt = u'\u01c5\u01c8\u01cb\u01f2\u1f88\u1f89\u1f8a\u1f8b\u1f8c\u1f8d\u1f8e\u1f8f\u1f98\u1f99\u1f9a\u1f9b\u1f9c\u1f9d\u1f9e\u1f9f\u1fa8\u1fa9\u1faa\u1fab\u1fac\u1fad\u1fae\u1faf\u1fbc\u1fcc\u1ffc' + +Lu = u'ABCDEFGHIJKLMNOPQRSTUVWXYZ\xc0\xc1\xc2\xc3\xc4\xc5\xc6\xc7\xc8\xc9\xca\xcb\xcc\xcd\xce\xcf\xd0\xd1\xd2\xd3\xd4\xd5\xd6\xd8\xd9\xda\xdb\xdc\xdd\xde\u0100\u0102\u0104\u0106\u0108\u010a\u010c\u010e\u0110\u0112\u0114\u0116\u0118\u011a\u011c\u011e\u0120\u0122\u0124\u0126\u0128\u012a\u012c\u012e\u0130\u0132\u0134\u0136\u0139\u013b\u013d\u013f\u0141\u0143\u0145\u0147\u014a\u014c\u014e\u0150\u0152\u0154\u0156\u0158\u015a\u015c\u015e\u0160\u0162\u0164\u0166\u0168\u016a\u016c\u016e\u0170\u0172\u0174\u0176\u0178\u0179\u017b\u017d\u0181\u0182\u0184\u0186\u0187\u0189\u018a\u018b\u018e\u018f\u0190\u0191\u0193\u0194\u0196\u0197\u0198\u019c\u019d\u019f\u01a0\u01a2\u01a4\u01a6\u01a7\u01a9\u01ac\u01ae\u01af\u01b1\u01b2\u01b3\u01b5\u01b7\u01b8\u01bc\u01c4\u01c7\u01ca\u01cd\u01cf\u01d1\u01d3\u01d5\u01d7\u01d9\u01db\u01de\u01e0\u01e2\u01e4\u01e6\u01e8\u01ea\u01ec\u01ee\u01f1\u01f4\u01f6\u01f7\u01f8\u01fa\u01fc\u01fe\u0200\u0202\u0204\u0206\u0208\u020a\u020c\u020e\u0210\u0212\u0214\u0216\u0218\u021a\u021c\u021e\u0220\u0222\u0224\u0226\u0228\u022a\u022c\u022e\u0230\u0232\u023a\u023b\u023d\u023e\u0241\u0386\u0388\u0389\u038a\u038c\u038e\u038f\u0391\u0392\u0393\u0394\u0395\u0396\u0397\u0398\u0399\u039a\u039b\u039c\u039d\u039e\u039f\u03a0\u03a1\u03a3\u03a4\u03a5\u03a6\u03a7\u03a8\u03a9\u03aa\u03ab\u03d2\u03d3\u03d4\u03d8\u03da\u03dc\u03de\u03e0\u03e2\u03e4\u03e6\u03e8\u03ea\u03ec\u03ee\u03f4\u03f7\u03f9\u03fa\u03fd\u03fe\u03ff\u0400\u0401\u0402\u0403\u0404\u0405\u0406\u0407\u0408\u0409\u040a\u040b\u040c\u040d\u040e\u040f\u0410\u0411\u0412\u0413\u0414\u0415\u0416\u0417\u0418\u0419\u041a\u041b\u041c\u041d\u041e\u041f\u0420\u0421\u0422\u0423\u0424\u0425\u0426\u0427\u0428\u0429\u042a\u042b\u042c\u042d\u042e\u042f\u0460\u0462\u0464\u0466\u0468\u046a\u046c\u046e\u0470\u0472\u0474\u0476\u0478\u047a\u047c\u047e\u0480\u048a\u048c\u048e\u0490\u0492\u0494\u0496\u0498\u049a\u049c\u049e\u04a0\u04a2\u04a4\u04a6\u04a8\u04aa\u04ac\u04ae\u04b0\u04b2\u04b4\u04b6\u04b8\u04ba\u04bc\u04be\u04c0\u04c1\u04c3\u04c5\u04c7\u04c9\u04cb\u04cd\u04d0\u04d2\u04d4\u04d6\u04d8\u04da\u04dc\u04de\u04e0\u04e2\u04e4\u04e6\u04e8\u04ea\u04ec\u04ee\u04f0\u04f2\u04f4\u04f6\u04f8\u0500\u0502\u0504\u0506\u0508\u050a\u050c\u050e\u0531\u0532\u0533\u0534\u0535\u0536\u0537\u0538\u0539\u053a\u053b\u053c\u053d\u053e\u053f\u0540\u0541\u0542\u0543\u0544\u0545\u0546\u0547\u0548\u0549\u054a\u054b\u054c\u054d\u054e\u054f\u0550\u0551\u0552\u0553\u0554\u0555\u0556\u10a0\u10a1\u10a2\u10a3\u10a4\u10a5\u10a6\u10a7\u10a8\u10a9\u10aa\u10ab\u10ac\u10ad\u10ae\u10af\u10b0\u10b1\u10b2\u10b3\u10b4\u10b5\u10b6\u10b7\u10b8\u10b9\u10ba\u10bb\u10bc\u10bd\u10be\u10bf\u10c0\u10c1\u10c2\u10c3\u10c4\u10c5\u1e00\u1e02\u1e04\u1e06\u1e08\u1e0a\u1e0c\u1e0e\u1e10\u1e12\u1e14\u1e16\u1e18\u1e1a\u1e1c\u1e1e\u1e20\u1e22\u1e24\u1e26\u1e28\u1e2a\u1e2c\u1e2e\u1e30\u1e32\u1e34\u1e36\u1e38\u1e3a\u1e3c\u1e3e\u1e40\u1e42\u1e44\u1e46\u1e48\u1e4a\u1e4c\u1e4e\u1e50\u1e52\u1e54\u1e56\u1e58\u1e5a\u1e5c\u1e5e\u1e60\u1e62\u1e64\u1e66\u1e68\u1e6a\u1e6c\u1e6e\u1e70\u1e72\u1e74\u1e76\u1e78\u1e7a\u1e7c\u1e7e\u1e80\u1e82\u1e84\u1e86\u1e88\u1e8a\u1e8c\u1e8e\u1e90\u1e92\u1e94\u1ea0\u1ea2\u1ea4\u1ea6\u1ea8\u1eaa\u1eac\u1eae\u1eb0\u1eb2\u1eb4\u1eb6\u1eb8\u1eba\u1ebc\u1ebe\u1ec0\u1ec2\u1ec4\u1ec6\u1ec8\u1eca\u1ecc\u1ece\u1ed0\u1ed2\u1ed4\u1ed6\u1ed8\u1eda\u1edc\u1ede\u1ee0\u1ee2\u1ee4\u1ee6\u1ee8\u1eea\u1eec\u1eee\u1ef0\u1ef2\u1ef4\u1ef6\u1ef8\u1f08\u1f09\u1f0a\u1f0b\u1f0c\u1f0d\u1f0e\u1f0f\u1f18\u1f19\u1f1a\u1f1b\u1f1c\u1f1d\u1f28\u1f29\u1f2a\u1f2b\u1f2c\u1f2d\u1f2e\u1f2f\u1f38\u1f39\u1f3a\u1f3b\u1f3c\u1f3d\u1f3e\u1f3f\u1f48\u1f49\u1f4a\u1f4b\u1f4c\u1f4d\u1f59\u1f5b\u1f5d\u1f5f\u1f68\u1f69\u1f6a\u1f6b\u1f6c\u1f6d\u1f6e\u1f6f\u1fb8\u1fb9\u1fba\u1fbb\u1fc8\u1fc9\u1fca\u1fcb\u1fd8\u1fd9\u1fda\u1fdb\u1fe8\u1fe9\u1fea\u1feb\u1fec\u1ff8\u1ff9\u1ffa\u1ffb\u2102\u2107\u210b\u210c\u210d\u2110\u2111\u2112\u2115\u2119\u211a\u211b\u211c\u211d\u2124\u2126\u2128\u212a\u212b\u212c\u212d\u2130\u2131\u2133\u213e\u213f\u2145\u2c00\u2c01\u2c02\u2c03\u2c04\u2c05\u2c06\u2c07\u2c08\u2c09\u2c0a\u2c0b\u2c0c\u2c0d\u2c0e\u2c0f\u2c10\u2c11\u2c12\u2c13\u2c14\u2c15\u2c16\u2c17\u2c18\u2c19\u2c1a\u2c1b\u2c1c\u2c1d\u2c1e\u2c1f\u2c20\u2c21\u2c22\u2c23\u2c24\u2c25\u2c26\u2c27\u2c28\u2c29\u2c2a\u2c2b\u2c2c\u2c2d\u2c2e\u2c80\u2c82\u2c84\u2c86\u2c88\u2c8a\u2c8c\u2c8e\u2c90\u2c92\u2c94\u2c96\u2c98\u2c9a\u2c9c\u2c9e\u2ca0\u2ca2\u2ca4\u2ca6\u2ca8\u2caa\u2cac\u2cae\u2cb0\u2cb2\u2cb4\u2cb6\u2cb8\u2cba\u2cbc\u2cbe\u2cc0\u2cc2\u2cc4\u2cc6\u2cc8\u2cca\u2ccc\u2cce\u2cd0\u2cd2\u2cd4\u2cd6\u2cd8\u2cda\u2cdc\u2cde\u2ce0\u2ce2\uff21\uff22\uff23\uff24\uff25\uff26\uff27\uff28\uff29\uff2a\uff2b\uff2c\uff2d\uff2e\uff2f\uff30\uff31\uff32\uff33\uff34\uff35\uff36\uff37\uff38\uff39\uff3a' + +Mc = u'\u0903\u093e\u093f\u0940\u0949\u094a\u094b\u094c\u0982\u0983\u09be\u09bf\u09c0\u09c7\u09c8\u09cb\u09cc\u09d7\u0a03\u0a3e\u0a3f\u0a40\u0a83\u0abe\u0abf\u0ac0\u0ac9\u0acb\u0acc\u0b02\u0b03\u0b3e\u0b40\u0b47\u0b48\u0b4b\u0b4c\u0b57\u0bbe\u0bbf\u0bc1\u0bc2\u0bc6\u0bc7\u0bc8\u0bca\u0bcb\u0bcc\u0bd7\u0c01\u0c02\u0c03\u0c41\u0c42\u0c43\u0c44\u0c82\u0c83\u0cbe\u0cc0\u0cc1\u0cc2\u0cc3\u0cc4\u0cc7\u0cc8\u0cca\u0ccb\u0cd5\u0cd6\u0d02\u0d03\u0d3e\u0d3f\u0d40\u0d46\u0d47\u0d48\u0d4a\u0d4b\u0d4c\u0d57\u0d82\u0d83\u0dcf\u0dd0\u0dd1\u0dd8\u0dd9\u0dda\u0ddb\u0ddc\u0ddd\u0dde\u0ddf\u0df2\u0df3\u0f3e\u0f3f\u0f7f\u102c\u1031\u1038\u1056\u1057\u17b6\u17be\u17bf\u17c0\u17c1\u17c2\u17c3\u17c4\u17c5\u17c7\u17c8\u1923\u1924\u1925\u1926\u1929\u192a\u192b\u1930\u1931\u1933\u1934\u1935\u1936\u1937\u1938\u19b0\u19b1\u19b2\u19b3\u19b4\u19b5\u19b6\u19b7\u19b8\u19b9\u19ba\u19bb\u19bc\u19bd\u19be\u19bf\u19c0\u19c8\u19c9\u1a19\u1a1a\u1a1b\ua802\ua823\ua824\ua827' + +Me = u'\u0488\u0489\u06de\u20dd\u20de\u20df\u20e0\u20e2\u20e3\u20e4' + +Mn = u'\u0300\u0301\u0302\u0303\u0304\u0305\u0306\u0307\u0308\u0309\u030a\u030b\u030c\u030d\u030e\u030f\u0310\u0311\u0312\u0313\u0314\u0315\u0316\u0317\u0318\u0319\u031a\u031b\u031c\u031d\u031e\u031f\u0320\u0321\u0322\u0323\u0324\u0325\u0326\u0327\u0328\u0329\u032a\u032b\u032c\u032d\u032e\u032f\u0330\u0331\u0332\u0333\u0334\u0335\u0336\u0337\u0338\u0339\u033a\u033b\u033c\u033d\u033e\u033f\u0340\u0341\u0342\u0343\u0344\u0345\u0346\u0347\u0348\u0349\u034a\u034b\u034c\u034d\u034e\u034f\u0350\u0351\u0352\u0353\u0354\u0355\u0356\u0357\u0358\u0359\u035a\u035b\u035c\u035d\u035e\u035f\u0360\u0361\u0362\u0363\u0364\u0365\u0366\u0367\u0368\u0369\u036a\u036b\u036c\u036d\u036e\u036f\u0483\u0484\u0485\u0486\u0591\u0592\u0593\u0594\u0595\u0596\u0597\u0598\u0599\u059a\u059b\u059c\u059d\u059e\u059f\u05a0\u05a1\u05a2\u05a3\u05a4\u05a5\u05a6\u05a7\u05a8\u05a9\u05aa\u05ab\u05ac\u05ad\u05ae\u05af\u05b0\u05b1\u05b2\u05b3\u05b4\u05b5\u05b6\u05b7\u05b8\u05b9\u05bb\u05bc\u05bd\u05bf\u05c1\u05c2\u05c4\u05c5\u05c7\u0610\u0611\u0612\u0613\u0614\u0615\u064b\u064c\u064d\u064e\u064f\u0650\u0651\u0652\u0653\u0654\u0655\u0656\u0657\u0658\u0659\u065a\u065b\u065c\u065d\u065e\u0670\u06d6\u06d7\u06d8\u06d9\u06da\u06db\u06dc\u06df\u06e0\u06e1\u06e2\u06e3\u06e4\u06e7\u06e8\u06ea\u06eb\u06ec\u06ed\u0711\u0730\u0731\u0732\u0733\u0734\u0735\u0736\u0737\u0738\u0739\u073a\u073b\u073c\u073d\u073e\u073f\u0740\u0741\u0742\u0743\u0744\u0745\u0746\u0747\u0748\u0749\u074a\u07a6\u07a7\u07a8\u07a9\u07aa\u07ab\u07ac\u07ad\u07ae\u07af\u07b0\u0901\u0902\u093c\u0941\u0942\u0943\u0944\u0945\u0946\u0947\u0948\u094d\u0951\u0952\u0953\u0954\u0962\u0963\u0981\u09bc\u09c1\u09c2\u09c3\u09c4\u09cd\u09e2\u09e3\u0a01\u0a02\u0a3c\u0a41\u0a42\u0a47\u0a48\u0a4b\u0a4c\u0a4d\u0a70\u0a71\u0a81\u0a82\u0abc\u0ac1\u0ac2\u0ac3\u0ac4\u0ac5\u0ac7\u0ac8\u0acd\u0ae2\u0ae3\u0b01\u0b3c\u0b3f\u0b41\u0b42\u0b43\u0b4d\u0b56\u0b82\u0bc0\u0bcd\u0c3e\u0c3f\u0c40\u0c46\u0c47\u0c48\u0c4a\u0c4b\u0c4c\u0c4d\u0c55\u0c56\u0cbc\u0cbf\u0cc6\u0ccc\u0ccd\u0d41\u0d42\u0d43\u0d4d\u0dca\u0dd2\u0dd3\u0dd4\u0dd6\u0e31\u0e34\u0e35\u0e36\u0e37\u0e38\u0e39\u0e3a\u0e47\u0e48\u0e49\u0e4a\u0e4b\u0e4c\u0e4d\u0e4e\u0eb1\u0eb4\u0eb5\u0eb6\u0eb7\u0eb8\u0eb9\u0ebb\u0ebc\u0ec8\u0ec9\u0eca\u0ecb\u0ecc\u0ecd\u0f18\u0f19\u0f35\u0f37\u0f39\u0f71\u0f72\u0f73\u0f74\u0f75\u0f76\u0f77\u0f78\u0f79\u0f7a\u0f7b\u0f7c\u0f7d\u0f7e\u0f80\u0f81\u0f82\u0f83\u0f84\u0f86\u0f87\u0f90\u0f91\u0f92\u0f93\u0f94\u0f95\u0f96\u0f97\u0f99\u0f9a\u0f9b\u0f9c\u0f9d\u0f9e\u0f9f\u0fa0\u0fa1\u0fa2\u0fa3\u0fa4\u0fa5\u0fa6\u0fa7\u0fa8\u0fa9\u0faa\u0fab\u0fac\u0fad\u0fae\u0faf\u0fb0\u0fb1\u0fb2\u0fb3\u0fb4\u0fb5\u0fb6\u0fb7\u0fb8\u0fb9\u0fba\u0fbb\u0fbc\u0fc6\u102d\u102e\u102f\u1030\u1032\u1036\u1037\u1039\u1058\u1059\u135f\u1712\u1713\u1714\u1732\u1733\u1734\u1752\u1753\u1772\u1773\u17b7\u17b8\u17b9\u17ba\u17bb\u17bc\u17bd\u17c6\u17c9\u17ca\u17cb\u17cc\u17cd\u17ce\u17cf\u17d0\u17d1\u17d2\u17d3\u17dd\u180b\u180c\u180d\u18a9\u1920\u1921\u1922\u1927\u1928\u1932\u1939\u193a\u193b\u1a17\u1a18\u1dc0\u1dc1\u1dc2\u1dc3\u20d0\u20d1\u20d2\u20d3\u20d4\u20d5\u20d6\u20d7\u20d8\u20d9\u20da\u20db\u20dc\u20e1\u20e5\u20e6\u20e7\u20e8\u20e9\u20ea\u20eb\u302a\u302b\u302c\u302d\u302e\u302f\u3099\u309a\ua806\ua80b\ua825\ua826\ufb1e\ufe00\ufe01\ufe02\ufe03\ufe04\ufe05\ufe06\ufe07\ufe08\ufe09\ufe0a\ufe0b\ufe0c\ufe0d\ufe0e\ufe0f\ufe20\ufe21\ufe22\ufe23' + +Nd = u'0123456789\u0660\u0661\u0662\u0663\u0664\u0665\u0666\u0667\u0668\u0669\u06f0\u06f1\u06f2\u06f3\u06f4\u06f5\u06f6\u06f7\u06f8\u06f9\u0966\u0967\u0968\u0969\u096a\u096b\u096c\u096d\u096e\u096f\u09e6\u09e7\u09e8\u09e9\u09ea\u09eb\u09ec\u09ed\u09ee\u09ef\u0a66\u0a67\u0a68\u0a69\u0a6a\u0a6b\u0a6c\u0a6d\u0a6e\u0a6f\u0ae6\u0ae7\u0ae8\u0ae9\u0aea\u0aeb\u0aec\u0aed\u0aee\u0aef\u0b66\u0b67\u0b68\u0b69\u0b6a\u0b6b\u0b6c\u0b6d\u0b6e\u0b6f\u0be6\u0be7\u0be8\u0be9\u0bea\u0beb\u0bec\u0bed\u0bee\u0bef\u0c66\u0c67\u0c68\u0c69\u0c6a\u0c6b\u0c6c\u0c6d\u0c6e\u0c6f\u0ce6\u0ce7\u0ce8\u0ce9\u0cea\u0ceb\u0cec\u0ced\u0cee\u0cef\u0d66\u0d67\u0d68\u0d69\u0d6a\u0d6b\u0d6c\u0d6d\u0d6e\u0d6f\u0e50\u0e51\u0e52\u0e53\u0e54\u0e55\u0e56\u0e57\u0e58\u0e59\u0ed0\u0ed1\u0ed2\u0ed3\u0ed4\u0ed5\u0ed6\u0ed7\u0ed8\u0ed9\u0f20\u0f21\u0f22\u0f23\u0f24\u0f25\u0f26\u0f27\u0f28\u0f29\u1040\u1041\u1042\u1043\u1044\u1045\u1046\u1047\u1048\u1049\u17e0\u17e1\u17e2\u17e3\u17e4\u17e5\u17e6\u17e7\u17e8\u17e9\u1810\u1811\u1812\u1813\u1814\u1815\u1816\u1817\u1818\u1819\u1946\u1947\u1948\u1949\u194a\u194b\u194c\u194d\u194e\u194f\u19d0\u19d1\u19d2\u19d3\u19d4\u19d5\u19d6\u19d7\u19d8\u19d9\uff10\uff11\uff12\uff13\uff14\uff15\uff16\uff17\uff18\uff19' + +Nl = u'\u16ee\u16ef\u16f0\u2160\u2161\u2162\u2163\u2164\u2165\u2166\u2167\u2168\u2169\u216a\u216b\u216c\u216d\u216e\u216f\u2170\u2171\u2172\u2173\u2174\u2175\u2176\u2177\u2178\u2179\u217a\u217b\u217c\u217d\u217e\u217f\u2180\u2181\u2182\u2183\u3007\u3021\u3022\u3023\u3024\u3025\u3026\u3027\u3028\u3029\u3038\u3039\u303a' + +No = u'\xb2\xb3\xb9\xbc\xbd\xbe\u09f4\u09f5\u09f6\u09f7\u09f8\u09f9\u0bf0\u0bf1\u0bf2\u0f2a\u0f2b\u0f2c\u0f2d\u0f2e\u0f2f\u0f30\u0f31\u0f32\u0f33\u1369\u136a\u136b\u136c\u136d\u136e\u136f\u1370\u1371\u1372\u1373\u1374\u1375\u1376\u1377\u1378\u1379\u137a\u137b\u137c\u17f0\u17f1\u17f2\u17f3\u17f4\u17f5\u17f6\u17f7\u17f8\u17f9\u2070\u2074\u2075\u2076\u2077\u2078\u2079\u2080\u2081\u2082\u2083\u2084\u2085\u2086\u2087\u2088\u2089\u2153\u2154\u2155\u2156\u2157\u2158\u2159\u215a\u215b\u215c\u215d\u215e\u215f\u2460\u2461\u2462\u2463\u2464\u2465\u2466\u2467\u2468\u2469\u246a\u246b\u246c\u246d\u246e\u246f\u2470\u2471\u2472\u2473\u2474\u2475\u2476\u2477\u2478\u2479\u247a\u247b\u247c\u247d\u247e\u247f\u2480\u2481\u2482\u2483\u2484\u2485\u2486\u2487\u2488\u2489\u248a\u248b\u248c\u248d\u248e\u248f\u2490\u2491\u2492\u2493\u2494\u2495\u2496\u2497\u2498\u2499\u249a\u249b\u24ea\u24eb\u24ec\u24ed\u24ee\u24ef\u24f0\u24f1\u24f2\u24f3\u24f4\u24f5\u24f6\u24f7\u24f8\u24f9\u24fa\u24fb\u24fc\u24fd\u24fe\u24ff\u2776\u2777\u2778\u2779\u277a\u277b\u277c\u277d\u277e\u277f\u2780\u2781\u2782\u2783\u2784\u2785\u2786\u2787\u2788\u2789\u278a\u278b\u278c\u278d\u278e\u278f\u2790\u2791\u2792\u2793\u2cfd\u3192\u3193\u3194\u3195\u3220\u3221\u3222\u3223\u3224\u3225\u3226\u3227\u3228\u3229\u3251\u3252\u3253\u3254\u3255\u3256\u3257\u3258\u3259\u325a\u325b\u325c\u325d\u325e\u325f\u3280\u3281\u3282\u3283\u3284\u3285\u3286\u3287\u3288\u3289\u32b1\u32b2\u32b3\u32b4\u32b5\u32b6\u32b7\u32b8\u32b9\u32ba\u32bb\u32bc\u32bd\u32be\u32bf' + +Pc = u'_\u203f\u2040\u2054\ufe33\ufe34\ufe4d\ufe4e\ufe4f\uff3f' + +Pd = u'-\u058a\u1806\u2010\u2011\u2012\u2013\u2014\u2015\u2e17\u301c\u3030\u30a0\ufe31\ufe32\ufe58\ufe63\uff0d' + +Pe = u')]}\u0f3b\u0f3d\u169c\u2046\u207e\u208e\u232a\u23b5\u2769\u276b\u276d\u276f\u2771\u2773\u2775\u27c6\u27e7\u27e9\u27eb\u2984\u2986\u2988\u298a\u298c\u298e\u2990\u2992\u2994\u2996\u2998\u29d9\u29db\u29fd\u3009\u300b\u300d\u300f\u3011\u3015\u3017\u3019\u301b\u301e\u301f\ufd3f\ufe18\ufe36\ufe38\ufe3a\ufe3c\ufe3e\ufe40\ufe42\ufe44\ufe48\ufe5a\ufe5c\ufe5e\uff09\uff3d\uff5d\uff60\uff63' + +Pf = u'\xbb\u2019\u201d\u203a\u2e03\u2e05\u2e0a\u2e0d\u2e1d' + +Pi = u'\xab\u2018\u201b\u201c\u201f\u2039\u2e02\u2e04\u2e09\u2e0c\u2e1c' + +Po = u'!"#%&\'*,./:;?@\\\xa1\xb7\xbf\u037e\u0387\u055a\u055b\u055c\u055d\u055e\u055f\u0589\u05be\u05c0\u05c3\u05c6\u05f3\u05f4\u060c\u060d\u061b\u061e\u061f\u066a\u066b\u066c\u066d\u06d4\u0700\u0701\u0702\u0703\u0704\u0705\u0706\u0707\u0708\u0709\u070a\u070b\u070c\u070d\u0964\u0965\u0970\u0df4\u0e4f\u0e5a\u0e5b\u0f04\u0f05\u0f06\u0f07\u0f08\u0f09\u0f0a\u0f0b\u0f0c\u0f0d\u0f0e\u0f0f\u0f10\u0f11\u0f12\u0f85\u0fd0\u0fd1\u104a\u104b\u104c\u104d\u104e\u104f\u10fb\u1361\u1362\u1363\u1364\u1365\u1366\u1367\u1368\u166d\u166e\u16eb\u16ec\u16ed\u1735\u1736\u17d4\u17d5\u17d6\u17d8\u17d9\u17da\u1800\u1801\u1802\u1803\u1804\u1805\u1807\u1808\u1809\u180a\u1944\u1945\u19de\u19df\u1a1e\u1a1f\u2016\u2017\u2020\u2021\u2022\u2023\u2024\u2025\u2026\u2027\u2030\u2031\u2032\u2033\u2034\u2035\u2036\u2037\u2038\u203b\u203c\u203d\u203e\u2041\u2042\u2043\u2047\u2048\u2049\u204a\u204b\u204c\u204d\u204e\u204f\u2050\u2051\u2053\u2055\u2056\u2057\u2058\u2059\u205a\u205b\u205c\u205d\u205e\u23b6\u2cf9\u2cfa\u2cfb\u2cfc\u2cfe\u2cff\u2e00\u2e01\u2e06\u2e07\u2e08\u2e0b\u2e0e\u2e0f\u2e10\u2e11\u2e12\u2e13\u2e14\u2e15\u2e16\u3001\u3002\u3003\u303d\u30fb\ufe10\ufe11\ufe12\ufe13\ufe14\ufe15\ufe16\ufe19\ufe30\ufe45\ufe46\ufe49\ufe4a\ufe4b\ufe4c\ufe50\ufe51\ufe52\ufe54\ufe55\ufe56\ufe57\ufe5f\ufe60\ufe61\ufe68\ufe6a\ufe6b\uff01\uff02\uff03\uff05\uff06\uff07\uff0a\uff0c\uff0e\uff0f\uff1a\uff1b\uff1f\uff20\uff3c\uff61\uff64\uff65' + +Ps = u'([{\u0f3a\u0f3c\u169b\u201a\u201e\u2045\u207d\u208d\u2329\u23b4\u2768\u276a\u276c\u276e\u2770\u2772\u2774\u27c5\u27e6\u27e8\u27ea\u2983\u2985\u2987\u2989\u298b\u298d\u298f\u2991\u2993\u2995\u2997\u29d8\u29da\u29fc\u3008\u300a\u300c\u300e\u3010\u3014\u3016\u3018\u301a\u301d\ufd3e\ufe17\ufe35\ufe37\ufe39\ufe3b\ufe3d\ufe3f\ufe41\ufe43\ufe47\ufe59\ufe5b\ufe5d\uff08\uff3b\uff5b\uff5f\uff62' + +Sc = u'$\xa2\xa3\xa4\xa5\u060b\u09f2\u09f3\u0af1\u0bf9\u0e3f\u17db\u20a0\u20a1\u20a2\u20a3\u20a4\u20a5\u20a6\u20a7\u20a8\u20a9\u20aa\u20ab\u20ac\u20ad\u20ae\u20af\u20b0\u20b1\u20b2\u20b3\u20b4\u20b5\ufdfc\ufe69\uff04\uffe0\uffe1\uffe5\uffe6' + +Sk = u'^`\xa8\xaf\xb4\xb8\u02c2\u02c3\u02c4\u02c5\u02d2\u02d3\u02d4\u02d5\u02d6\u02d7\u02d8\u02d9\u02da\u02db\u02dc\u02dd\u02de\u02df\u02e5\u02e6\u02e7\u02e8\u02e9\u02ea\u02eb\u02ec\u02ed\u02ef\u02f0\u02f1\u02f2\u02f3\u02f4\u02f5\u02f6\u02f7\u02f8\u02f9\u02fa\u02fb\u02fc\u02fd\u02fe\u02ff\u0374\u0375\u0384\u0385\u1fbd\u1fbf\u1fc0\u1fc1\u1fcd\u1fce\u1fcf\u1fdd\u1fde\u1fdf\u1fed\u1fee\u1fef\u1ffd\u1ffe\u309b\u309c\ua700\ua701\ua702\ua703\ua704\ua705\ua706\ua707\ua708\ua709\ua70a\ua70b\ua70c\ua70d\ua70e\ua70f\ua710\ua711\ua712\ua713\ua714\ua715\ua716\uff3e\uff40\uffe3' + +Sm = u'+<=>|~\xac\xb1\xd7\xf7\u03f6\u2044\u2052\u207a\u207b\u207c\u208a\u208b\u208c\u2140\u2141\u2142\u2143\u2144\u214b\u2190\u2191\u2192\u2193\u2194\u219a\u219b\u21a0\u21a3\u21a6\u21ae\u21ce\u21cf\u21d2\u21d4\u21f4\u21f5\u21f6\u21f7\u21f8\u21f9\u21fa\u21fb\u21fc\u21fd\u21fe\u21ff\u2200\u2201\u2202\u2203\u2204\u2205\u2206\u2207\u2208\u2209\u220a\u220b\u220c\u220d\u220e\u220f\u2210\u2211\u2212\u2213\u2214\u2215\u2216\u2217\u2218\u2219\u221a\u221b\u221c\u221d\u221e\u221f\u2220\u2221\u2222\u2223\u2224\u2225\u2226\u2227\u2228\u2229\u222a\u222b\u222c\u222d\u222e\u222f\u2230\u2231\u2232\u2233\u2234\u2235\u2236\u2237\u2238\u2239\u223a\u223b\u223c\u223d\u223e\u223f\u2240\u2241\u2242\u2243\u2244\u2245\u2246\u2247\u2248\u2249\u224a\u224b\u224c\u224d\u224e\u224f\u2250\u2251\u2252\u2253\u2254\u2255\u2256\u2257\u2258\u2259\u225a\u225b\u225c\u225d\u225e\u225f\u2260\u2261\u2262\u2263\u2264\u2265\u2266\u2267\u2268\u2269\u226a\u226b\u226c\u226d\u226e\u226f\u2270\u2271\u2272\u2273\u2274\u2275\u2276\u2277\u2278\u2279\u227a\u227b\u227c\u227d\u227e\u227f\u2280\u2281\u2282\u2283\u2284\u2285\u2286\u2287\u2288\u2289\u228a\u228b\u228c\u228d\u228e\u228f\u2290\u2291\u2292\u2293\u2294\u2295\u2296\u2297\u2298\u2299\u229a\u229b\u229c\u229d\u229e\u229f\u22a0\u22a1\u22a2\u22a3\u22a4\u22a5\u22a6\u22a7\u22a8\u22a9\u22aa\u22ab\u22ac\u22ad\u22ae\u22af\u22b0\u22b1\u22b2\u22b3\u22b4\u22b5\u22b6\u22b7\u22b8\u22b9\u22ba\u22bb\u22bc\u22bd\u22be\u22bf\u22c0\u22c1\u22c2\u22c3\u22c4\u22c5\u22c6\u22c7\u22c8\u22c9\u22ca\u22cb\u22cc\u22cd\u22ce\u22cf\u22d0\u22d1\u22d2\u22d3\u22d4\u22d5\u22d6\u22d7\u22d8\u22d9\u22da\u22db\u22dc\u22dd\u22de\u22df\u22e0\u22e1\u22e2\u22e3\u22e4\u22e5\u22e6\u22e7\u22e8\u22e9\u22ea\u22eb\u22ec\u22ed\u22ee\u22ef\u22f0\u22f1\u22f2\u22f3\u22f4\u22f5\u22f6\u22f7\u22f8\u22f9\u22fa\u22fb\u22fc\u22fd\u22fe\u22ff\u2308\u2309\u230a\u230b\u2320\u2321\u237c\u239b\u239c\u239d\u239e\u239f\u23a0\u23a1\u23a2\u23a3\u23a4\u23a5\u23a6\u23a7\u23a8\u23a9\u23aa\u23ab\u23ac\u23ad\u23ae\u23af\u23b0\u23b1\u23b2\u23b3\u25b7\u25c1\u25f8\u25f9\u25fa\u25fb\u25fc\u25fd\u25fe\u25ff\u266f\u27c0\u27c1\u27c2\u27c3\u27c4\u27d0\u27d1\u27d2\u27d3\u27d4\u27d5\u27d6\u27d7\u27d8\u27d9\u27da\u27db\u27dc\u27dd\u27de\u27df\u27e0\u27e1\u27e2\u27e3\u27e4\u27e5\u27f0\u27f1\u27f2\u27f3\u27f4\u27f5\u27f6\u27f7\u27f8\u27f9\u27fa\u27fb\u27fc\u27fd\u27fe\u27ff\u2900\u2901\u2902\u2903\u2904\u2905\u2906\u2907\u2908\u2909\u290a\u290b\u290c\u290d\u290e\u290f\u2910\u2911\u2912\u2913\u2914\u2915\u2916\u2917\u2918\u2919\u291a\u291b\u291c\u291d\u291e\u291f\u2920\u2921\u2922\u2923\u2924\u2925\u2926\u2927\u2928\u2929\u292a\u292b\u292c\u292d\u292e\u292f\u2930\u2931\u2932\u2933\u2934\u2935\u2936\u2937\u2938\u2939\u293a\u293b\u293c\u293d\u293e\u293f\u2940\u2941\u2942\u2943\u2944\u2945\u2946\u2947\u2948\u2949\u294a\u294b\u294c\u294d\u294e\u294f\u2950\u2951\u2952\u2953\u2954\u2955\u2956\u2957\u2958\u2959\u295a\u295b\u295c\u295d\u295e\u295f\u2960\u2961\u2962\u2963\u2964\u2965\u2966\u2967\u2968\u2969\u296a\u296b\u296c\u296d\u296e\u296f\u2970\u2971\u2972\u2973\u2974\u2975\u2976\u2977\u2978\u2979\u297a\u297b\u297c\u297d\u297e\u297f\u2980\u2981\u2982\u2999\u299a\u299b\u299c\u299d\u299e\u299f\u29a0\u29a1\u29a2\u29a3\u29a4\u29a5\u29a6\u29a7\u29a8\u29a9\u29aa\u29ab\u29ac\u29ad\u29ae\u29af\u29b0\u29b1\u29b2\u29b3\u29b4\u29b5\u29b6\u29b7\u29b8\u29b9\u29ba\u29bb\u29bc\u29bd\u29be\u29bf\u29c0\u29c1\u29c2\u29c3\u29c4\u29c5\u29c6\u29c7\u29c8\u29c9\u29ca\u29cb\u29cc\u29cd\u29ce\u29cf\u29d0\u29d1\u29d2\u29d3\u29d4\u29d5\u29d6\u29d7\u29dc\u29dd\u29de\u29df\u29e0\u29e1\u29e2\u29e3\u29e4\u29e5\u29e6\u29e7\u29e8\u29e9\u29ea\u29eb\u29ec\u29ed\u29ee\u29ef\u29f0\u29f1\u29f2\u29f3\u29f4\u29f5\u29f6\u29f7\u29f8\u29f9\u29fa\u29fb\u29fe\u29ff\u2a00\u2a01\u2a02\u2a03\u2a04\u2a05\u2a06\u2a07\u2a08\u2a09\u2a0a\u2a0b\u2a0c\u2a0d\u2a0e\u2a0f\u2a10\u2a11\u2a12\u2a13\u2a14\u2a15\u2a16\u2a17\u2a18\u2a19\u2a1a\u2a1b\u2a1c\u2a1d\u2a1e\u2a1f\u2a20\u2a21\u2a22\u2a23\u2a24\u2a25\u2a26\u2a27\u2a28\u2a29\u2a2a\u2a2b\u2a2c\u2a2d\u2a2e\u2a2f\u2a30\u2a31\u2a32\u2a33\u2a34\u2a35\u2a36\u2a37\u2a38\u2a39\u2a3a\u2a3b\u2a3c\u2a3d\u2a3e\u2a3f\u2a40\u2a41\u2a42\u2a43\u2a44\u2a45\u2a46\u2a47\u2a48\u2a49\u2a4a\u2a4b\u2a4c\u2a4d\u2a4e\u2a4f\u2a50\u2a51\u2a52\u2a53\u2a54\u2a55\u2a56\u2a57\u2a58\u2a59\u2a5a\u2a5b\u2a5c\u2a5d\u2a5e\u2a5f\u2a60\u2a61\u2a62\u2a63\u2a64\u2a65\u2a66\u2a67\u2a68\u2a69\u2a6a\u2a6b\u2a6c\u2a6d\u2a6e\u2a6f\u2a70\u2a71\u2a72\u2a73\u2a74\u2a75\u2a76\u2a77\u2a78\u2a79\u2a7a\u2a7b\u2a7c\u2a7d\u2a7e\u2a7f\u2a80\u2a81\u2a82\u2a83\u2a84\u2a85\u2a86\u2a87\u2a88\u2a89\u2a8a\u2a8b\u2a8c\u2a8d\u2a8e\u2a8f\u2a90\u2a91\u2a92\u2a93\u2a94\u2a95\u2a96\u2a97\u2a98\u2a99\u2a9a\u2a9b\u2a9c\u2a9d\u2a9e\u2a9f\u2aa0\u2aa1\u2aa2\u2aa3\u2aa4\u2aa5\u2aa6\u2aa7\u2aa8\u2aa9\u2aaa\u2aab\u2aac\u2aad\u2aae\u2aaf\u2ab0\u2ab1\u2ab2\u2ab3\u2ab4\u2ab5\u2ab6\u2ab7\u2ab8\u2ab9\u2aba\u2abb\u2abc\u2abd\u2abe\u2abf\u2ac0\u2ac1\u2ac2\u2ac3\u2ac4\u2ac5\u2ac6\u2ac7\u2ac8\u2ac9\u2aca\u2acb\u2acc\u2acd\u2ace\u2acf\u2ad0\u2ad1\u2ad2\u2ad3\u2ad4\u2ad5\u2ad6\u2ad7\u2ad8\u2ad9\u2ada\u2adb\u2adc\u2add\u2ade\u2adf\u2ae0\u2ae1\u2ae2\u2ae3\u2ae4\u2ae5\u2ae6\u2ae7\u2ae8\u2ae9\u2aea\u2aeb\u2aec\u2aed\u2aee\u2aef\u2af0\u2af1\u2af2\u2af3\u2af4\u2af5\u2af6\u2af7\u2af8\u2af9\u2afa\u2afb\u2afc\u2afd\u2afe\u2aff\ufb29\ufe62\ufe64\ufe65\ufe66\uff0b\uff1c\uff1d\uff1e\uff5c\uff5e\uffe2\uffe9\uffea\uffeb\uffec' + +So = 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+ +Zl = u'\u2028' + +Zp = u'\u2029' + +Zs = u' \xa0\u1680\u180e\u2000\u2001\u2002\u2003\u2004\u2005\u2006\u2007\u2008\u2009\u200a\u202f\u205f\u3000' + +cats = ['Cc', 'Cf', 'Cn', 'Co', 'Cs', 'Ll', 'Lm', 'Lo', 'Lt', 'Lu', 'Mc', 'Me', 'Mn', 'Nd', 'Nl', 'No', 'Pc', 'Pd', 'Pe', 'Pf', 'Pi', 'Po', 'Ps', 'Sc', 'Sk', 'Sm', 'So', 'Zl', 'Zp', 'Zs'] + +def combine(*args): + return u''.join([globals()[cat] for cat in args]) + +xid_start = u'\u0041-\u005A\u005F\u0061-\u007A\u00AA\u00B5\u00BA\u00C0-\u00D6\u00D8-\u00F6\u00F8-\u01BA\u01BB\u01BC-\u01BF\u01C0-\u01C3\u01C4-\u0241\u0250-\u02AF\u02B0-\u02C1\u02C6-\u02D1\u02E0-\u02E4\u02EE\u0386\u0388-\u038A\u038C\u038E-\u03A1\u03A3-\u03CE\u03D0-\u03F5\u03F7-\u0481\u048A-\u04CE\u04D0-\u04F9\u0500-\u050F\u0531-\u0556\u0559\u0561-\u0587\u05D0-\u05EA\u05F0-\u05F2\u0621-\u063A\u0640\u0641-\u064A\u066E-\u066F\u0671-\u06D3\u06D5\u06E5-\u06E6\u06EE-\u06EF\u06FA-\u06FC\u06FF\u0710\u0712-\u072F\u074D-\u076D\u0780-\u07A5\u07B1\u0904-\u0939\u093D\u0950\u0958-\u0961\u097D\u0985-\u098C\u098F-\u0990\u0993-\u09A8\u09AA-\u09B0\u09B2\u09B6-\u09B9\u09BD\u09CE\u09DC-\u09DD\u09DF-\u09E1\u09F0-\u09F1\u0A05-\u0A0A\u0A0F-\u0A10\u0A13-\u0A28\u0A2A-\u0A30\u0A32-\u0A33\u0A35-\u0A36\u0A38-\u0A39\u0A59-\u0A5C\u0A5E\u0A72-\u0A74\u0A85-\u0A8D\u0A8F-\u0A91\u0A93-\u0AA8\u0AAA-\u0AB0\u0AB2-\u0AB3\u0AB5-\u0AB9\u0ABD\u0AD0\u0AE0-\u0AE1\u0B05-\u0B0C\u0B0F-\u0B10\u0B13-\u0B28\u0B2A-\u0B30\u0B32-\u0B33\u0B35-\u0B39\u0B3D\u0B5C-\u0B5D\u0B5F-\u0B61\u0B71\u0B83\u0B85-\u0B8A\u0B8E-\u0B90\u0B92-\u0B95\u0B99-\u0B9A\u0B9C\u0B9E-\u0B9F\u0BA3-\u0BA4\u0BA8-\u0BAA\u0BAE-\u0BB9\u0C05-\u0C0C\u0C0E-\u0C10\u0C12-\u0C28\u0C2A-\u0C33\u0C35-\u0C39\u0C60-\u0C61\u0C85-\u0C8C\u0C8E-\u0C90\u0C92-\u0CA8\u0CAA-\u0CB3\u0CB5-\u0CB9\u0CBD\u0CDE\u0CE0-\u0CE1\u0D05-\u0D0C\u0D0E-\u0D10\u0D12-\u0D28\u0D2A-\u0D39\u0D60-\u0D61\u0D85-\u0D96\u0D9A-\u0DB1\u0DB3-\u0DBB\u0DBD\u0DC0-\u0DC6\u0E01-\u0E30\u0E32\u0E40-\u0E45\u0E46\u0E81-\u0E82\u0E84\u0E87-\u0E88\u0E8A\u0E8D\u0E94-\u0E97\u0E99-\u0E9F\u0EA1-\u0EA3\u0EA5\u0EA7\u0EAA-\u0EAB\u0EAD-\u0EB0\u0EB2\u0EBD\u0EC0-\u0EC4\u0EC6\u0EDC-\u0EDD\u0F00\u0F40-\u0F47\u0F49-\u0F6A\u0F88-\u0F8B\u1000-\u1021\u1023-\u1027\u1029-\u102A\u1050-\u1055\u10A0-\u10C5\u10D0-\u10FA\u10FC\u1100-\u1159\u115F-\u11A2\u11A8-\u11F9\u1200-\u1248\u124A-\u124D\u1250-\u1256\u1258\u125A-\u125D\u1260-\u1288\u128A-\u128D\u1290-\u12B0\u12B2-\u12B5\u12B8-\u12BE\u12C0\u12C2-\u12C5\u12C8-\u12D6\u12D8-\u1310\u1312-\u1315\u1318-\u135A\u1380-\u138F\u13A0-\u13F4\u1401-\u166C\u166F-\u1676\u1681-\u169A\u16A0-\u16EA\u16EE-\u16F0\u1700-\u170C\u170E-\u1711\u1720-\u1731\u1740-\u1751\u1760-\u176C\u176E-\u1770\u1780-\u17B3\u17D7\u17DC\u1820-\u1842\u1843\u1844-\u1877\u1880-\u18A8\u1900-\u191C\u1950-\u196D\u1970-\u1974\u1980-\u19A9\u19C1-\u19C7\u1A00-\u1A16\u1D00-\u1D2B\u1D2C-\u1D61\u1D62-\u1D77\u1D78\u1D79-\u1D9A\u1D9B-\u1DBF\u1E00-\u1E9B\u1EA0-\u1EF9\u1F00-\u1F15\u1F18-\u1F1D\u1F20-\u1F45\u1F48-\u1F4D\u1F50-\u1F57\u1F59\u1F5B\u1F5D\u1F5F-\u1F7D\u1F80-\u1FB4\u1FB6-\u1FBC\u1FBE\u1FC2-\u1FC4\u1FC6-\u1FCC\u1FD0-\u1FD3\u1FD6-\u1FDB\u1FE0-\u1FEC\u1FF2-\u1FF4\u1FF6-\u1FFC\u2071\u207F\u2090-\u2094\u2102\u2107\u210A-\u2113\u2115\u2118\u2119-\u211D\u2124\u2126\u2128\u212A-\u212D\u212E\u212F-\u2131\u2133-\u2134\u2135-\u2138\u2139\u213C-\u213F\u2145-\u2149\u2160-\u2183\u2C00-\u2C2E\u2C30-\u2C5E\u2C80-\u2CE4\u2D00-\u2D25\u2D30-\u2D65\u2D6F\u2D80-\u2D96\u2DA0-\u2DA6\u2DA8-\u2DAE\u2DB0-\u2DB6\u2DB8-\u2DBE\u2DC0-\u2DC6\u2DC8-\u2DCE\u2DD0-\u2DD6\u2DD8-\u2DDE\u3005\u3006\u3007\u3021-\u3029\u3031-\u3035\u3038-\u303A\u303B\u303C\u3041-\u3096\u309D-\u309E\u309F\u30A1-\u30FA\u30FC-\u30FE\u30FF\u3105-\u312C\u3131-\u318E\u31A0-\u31B7\u31F0-\u31FF\u3400-\u4DB5\u4E00-\u9FBB\uA000-\uA014\uA015\uA016-\uA48C\uA800-\uA801\uA803-\uA805\uA807-\uA80A\uA80C-\uA822\uAC00-\uD7A3\uF900-\uFA2D\uFA30-\uFA6A\uFA70-\uFAD9\uFB00-\uFB06\uFB13-\uFB17\uFB1D\uFB1F-\uFB28\uFB2A-\uFB36\uFB38-\uFB3C\uFB3E\uFB40-\uFB41\uFB43-\uFB44\uFB46-\uFBB1\uFBD3-\uFC5D\uFC64-\uFD3D\uFD50-\uFD8F\uFD92-\uFDC7\uFDF0-\uFDF9\uFE71\uFE73\uFE77\uFE79\uFE7B\uFE7D\uFE7F-\uFEFC\uFF21-\uFF3A\uFF41-\uFF5A\uFF66-\uFF6F\uFF70\uFF71-\uFF9D\uFFA0-\uFFBE\uFFC2-\uFFC7\uFFCA-\uFFCF\uFFD2-\uFFD7\uFFDA-\uFFDC' + +xid_continue = 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u2DB8-\u2DBE\u2DC0-\u2DC6\u2DC8-\u2DCE\u2DD0-\u2DD6\u2DD8-\u2DDE\u3005\u3006\u3007\u3021-\u3029\u302A-\u302F\u3031-\u3035\u3038-\u303A\u303B\u303C\u3041-\u3096\u3099-\u309A\u309D-\u309E\u309F\u30A1-\u30FA\u30FC-\u30FE\u30FF\u3105-\u312C\u3131-\u318E\u31A0-\u31B7\u31F0-\u31FF\u3400-\u4DB5\u4E00-\u9FBB\uA000-\uA014\uA015\uA016-\uA48C\uA800-\uA801\uA802\uA803-\uA805\uA806\uA807-\uA80A\uA80B\uA80C-\uA822\uA823-\uA824\uA825-\uA826\uA827\uAC00-\uD7A3\uF900-\uFA2D\uFA30-\uFA6A\uFA70-\uFAD9\uFB00-\uFB06\uFB13-\uFB17\uFB1D\uFB1E\uFB1F-\uFB28\uFB2A-\uFB36\uFB38-\uFB3C\uFB3E\uFB40-\uFB41\uFB43-\uFB44\uFB46-\uFBB1\uFBD3-\uFC5D\uFC64-\uFD3D\uFD50-\uFD8F\uFD92-\uFDC7\uFDF0-\uFDF9\uFE00-\uFE0F\uFE20-\uFE23\uFE33-\uFE34\uFE4D-\uFE4F\uFE71\uFE73\uFE77\uFE79\uFE7B\uFE7D\uFE7F-\uFEFC\uFF10-\uFF19\uFF21-\uFF3A\uFF3F\uFF41-\uFF5A\uFF66-\uFF6F\uFF70\uFF71-\uFF9D\uFF9E-\uFF9F\uFFA0-\uFFBE\uFFC2-\uFFC7\uFFCA-\uFFCF\uFFD2-\uFFD7\uFFDA-\uFFDC' + +def allexcept(*args): + newcats = cats[:] + for arg in args: + newcats.remove(arg) + return u''.join([globals()[cat] for cat in newcats]) + +if __name__ == '__main__': + import unicodedata + + categories = {} + + f = open(__file__.rstrip('co')) + try: + content = f.read() + finally: + f.close() + + header = content[:content.find('Cc =')] + footer = content[content.find("def combine("):] + + for code in range(65535): + c = unichr(code) + cat = unicodedata.category(c) + categories.setdefault(cat, []).append(c) + + f = open(__file__, 'w') + f.write(header) + + for cat in sorted(categories): + val = u''.join(categories[cat]) + if cat == 'Cs': + # Jython can't handle isolated surrogates + f.write("""\ +try: + Cs = eval(r"%r") +except UnicodeDecodeError: + Cs = '' # Jython can't handle isolated surrogates\n\n""" % val) + else: + f.write('%s = %r\n\n' % (cat, val)) + f.write('cats = %r\n\n' % sorted(categories.keys())) + + f.write(footer) + f.close() diff --git a/pyload/lib/jinja2/bccache.py b/pyload/lib/jinja2/bccache.py new file mode 100644 index 000000000..2d28ab8b2 --- /dev/null +++ b/pyload/lib/jinja2/bccache.py @@ -0,0 +1,344 @@ +# -*- coding: utf-8 -*- +""" + jinja2.bccache + ~~~~~~~~~~~~~~ + + This module implements the bytecode cache system Jinja is optionally + using. This is useful if you have very complex template situations and + the compiliation of all those templates slow down your application too + much. + + Situations where this is useful are often forking web applications that + are initialized on the first request. + + :copyright: (c) 2010 by the Jinja Team. + :license: BSD. +""" +from os import path, listdir +import os +import stat +import sys +import errno +import marshal +import tempfile +import fnmatch +from hashlib import sha1 +from jinja2.utils import open_if_exists +from jinja2._compat import BytesIO, pickle, PY2, text_type + + +# marshal works better on 3.x, one hack less required +if not PY2: + marshal_dump = marshal.dump + marshal_load = marshal.load +else: + + def marshal_dump(code, f): + if isinstance(f, file): + marshal.dump(code, f) + else: + f.write(marshal.dumps(code)) + + def marshal_load(f): + if isinstance(f, file): + return marshal.load(f) + return marshal.loads(f.read()) + + +bc_version = 2 + +# magic version used to only change with new jinja versions. With 2.6 +# we change this to also take Python version changes into account. The +# reason for this is that Python tends to segfault if fed earlier bytecode +# versions because someone thought it would be a good idea to reuse opcodes +# or make Python incompatible with earlier versions. +bc_magic = 'j2'.encode('ascii') + \ + pickle.dumps(bc_version, 2) + \ + pickle.dumps((sys.version_info[0] << 24) | sys.version_info[1]) + + +class Bucket(object): + """Buckets are used to store the bytecode for one template. It's created + and initialized by the bytecode cache and passed to the loading functions. + + The buckets get an internal checksum from the cache assigned and use this + to automatically reject outdated cache material. Individual bytecode + cache subclasses don't have to care about cache invalidation. + """ + + def __init__(self, environment, key, checksum): + self.environment = environment + self.key = key + self.checksum = checksum + self.reset() + + def reset(self): + """Resets the bucket (unloads the bytecode).""" + self.code = None + + def load_bytecode(self, f): + """Loads bytecode from a file or file like object.""" + # make sure the magic header is correct + magic = f.read(len(bc_magic)) + if magic != bc_magic: + self.reset() + return + # the source code of the file changed, we need to reload + checksum = pickle.load(f) + if self.checksum != checksum: + self.reset() + return + self.code = marshal_load(f) + + def write_bytecode(self, f): + """Dump the bytecode into the file or file like object passed.""" + if self.code is None: + raise TypeError('can\'t write empty bucket') + f.write(bc_magic) + pickle.dump(self.checksum, f, 2) + marshal_dump(self.code, f) + + def bytecode_from_string(self, string): + """Load bytecode from a string.""" + self.load_bytecode(BytesIO(string)) + + def bytecode_to_string(self): + """Return the bytecode as string.""" + out = BytesIO() + self.write_bytecode(out) + return out.getvalue() + + +class BytecodeCache(object): + """To implement your own bytecode cache you have to subclass this class + and override :meth:`load_bytecode` and :meth:`dump_bytecode`. Both of + these methods are passed a :class:`~jinja2.bccache.Bucket`. + + A very basic bytecode cache that saves the bytecode on the file system:: + + from os import path + + class MyCache(BytecodeCache): + + def __init__(self, directory): + self.directory = directory + + def load_bytecode(self, bucket): + filename = path.join(self.directory, bucket.key) + if path.exists(filename): + with open(filename, 'rb') as f: + bucket.load_bytecode(f) + + def dump_bytecode(self, bucket): + filename = path.join(self.directory, bucket.key) + with open(filename, 'wb') as f: + bucket.write_bytecode(f) + + A more advanced version of a filesystem based bytecode cache is part of + Jinja2. + """ + + def load_bytecode(self, bucket): + """Subclasses have to override this method to load bytecode into a + bucket. If they are not able to find code in the cache for the + bucket, it must not do anything. + """ + raise NotImplementedError() + + def dump_bytecode(self, bucket): + """Subclasses have to override this method to write the bytecode + from a bucket back to the cache. If it unable to do so it must not + fail silently but raise an exception. + """ + raise NotImplementedError() + + def clear(self): + """Clears the cache. This method is not used by Jinja2 but should be + implemented to allow applications to clear the bytecode cache used + by a particular environment. + """ + + def get_cache_key(self, name, filename=None): + """Returns the unique hash key for this template name.""" + hash = sha1(name.encode('utf-8')) + if filename is not None: + filename = '|' + filename + if isinstance(filename, text_type): + filename = filename.encode('utf-8') + hash.update(filename) + return hash.hexdigest() + + def get_source_checksum(self, source): + """Returns a checksum for the source.""" + return sha1(source.encode('utf-8')).hexdigest() + + def get_bucket(self, environment, name, filename, source): + """Return a cache bucket for the given template. All arguments are + mandatory but filename may be `None`. + """ + key = self.get_cache_key(name, filename) + checksum = self.get_source_checksum(source) + bucket = Bucket(environment, key, checksum) + self.load_bytecode(bucket) + return bucket + + def set_bucket(self, bucket): + """Put the bucket into the cache.""" + self.dump_bytecode(bucket) + + +class FileSystemBytecodeCache(BytecodeCache): + """A bytecode cache that stores bytecode on the filesystem. It accepts + two arguments: The directory where the cache items are stored and a + pattern string that is used to build the filename. + + If no directory is specified a default cache directory is selected. On + Windows the user's temp directory is used, on UNIX systems a directory + is created for the user in the system temp directory. + + The pattern can be used to have multiple separate caches operate on the + same directory. The default pattern is ``'__jinja2_%s.cache'``. ``%s`` + is replaced with the cache key. + + >>> bcc = FileSystemBytecodeCache('/tmp/jinja_cache', '%s.cache') + + This bytecode cache supports clearing of the cache using the clear method. + """ + + def __init__(self, directory=None, pattern='__jinja2_%s.cache'): + if directory is None: + directory = self._get_default_cache_dir() + self.directory = directory + self.pattern = pattern + + def _get_default_cache_dir(self): + tmpdir = tempfile.gettempdir() + + # On windows the temporary directory is used specific unless + # explicitly forced otherwise. We can just use that. + if os.name == 'nt': + return tmpdir + if not hasattr(os, 'getuid'): + raise RuntimeError('Cannot determine safe temp directory. You ' + 'need to explicitly provide one.') + + dirname = '_jinja2-cache-%d' % os.getuid() + actual_dir = os.path.join(tmpdir, dirname) + try: + os.mkdir(actual_dir, stat.S_IRWXU) # 0o700 + except OSError as e: + if e.errno != errno.EEXIST: + raise + + actual_dir_stat = os.lstat(actual_dir) + if actual_dir_stat.st_uid != os.getuid() \ + or not stat.S_ISDIR(actual_dir_stat.st_mode) \ + or stat.S_IMODE(actual_dir_stat.st_mode) != stat.S_IRWXU: + raise RuntimeError('Temporary directory \'%s\' has an incorrect ' + 'owner, permissions, or type.' % actual_dir) + + return actual_dir + + def _get_cache_filename(self, bucket): + return path.join(self.directory, self.pattern % bucket.key) + + def load_bytecode(self, bucket): + f = open_if_exists(self._get_cache_filename(bucket), 'rb') + if f is not None: + try: + bucket.load_bytecode(f) + finally: + f.close() + + def dump_bytecode(self, bucket): + f = open(self._get_cache_filename(bucket), 'wb') + try: + bucket.write_bytecode(f) + finally: + f.close() + + def clear(self): + # imported lazily here because google app-engine doesn't support + # write access on the file system and the function does not exist + # normally. + from os import remove + files = fnmatch.filter(listdir(self.directory), self.pattern % '*') + for filename in files: + try: + remove(path.join(self.directory, filename)) + except OSError: + pass + + +class MemcachedBytecodeCache(BytecodeCache): + """This class implements a bytecode cache that uses a memcache cache for + storing the information. It does not enforce a specific memcache library + (tummy's memcache or cmemcache) but will accept any class that provides + the minimal interface required. + + Libraries compatible with this class: + + - `werkzeug <http://werkzeug.pocoo.org/>`_.contrib.cache + - `python-memcached <http://www.tummy.com/Community/software/python-memcached/>`_ + - `cmemcache <http://gijsbert.org/cmemcache/>`_ + + (Unfortunately the django cache interface is not compatible because it + does not support storing binary data, only unicode. You can however pass + the underlying cache client to the bytecode cache which is available + as `django.core.cache.cache._client`.) + + The minimal interface for the client passed to the constructor is this: + + .. class:: MinimalClientInterface + + .. method:: set(key, value[, timeout]) + + Stores the bytecode in the cache. `value` is a string and + `timeout` the timeout of the key. If timeout is not provided + a default timeout or no timeout should be assumed, if it's + provided it's an integer with the number of seconds the cache + item should exist. + + .. method:: get(key) + + Returns the value for the cache key. If the item does not + exist in the cache the return value must be `None`. + + The other arguments to the constructor are the prefix for all keys that + is added before the actual cache key and the timeout for the bytecode in + the cache system. We recommend a high (or no) timeout. + + This bytecode cache does not support clearing of used items in the cache. + The clear method is a no-operation function. + + .. versionadded:: 2.7 + Added support for ignoring memcache errors through the + `ignore_memcache_errors` parameter. + """ + + def __init__(self, client, prefix='jinja2/bytecode/', timeout=None, + ignore_memcache_errors=True): + self.client = client + self.prefix = prefix + self.timeout = timeout + self.ignore_memcache_errors = ignore_memcache_errors + + def load_bytecode(self, bucket): + try: + code = self.client.get(self.prefix + bucket.key) + except Exception: + if not self.ignore_memcache_errors: + raise + code = None + if code is not None: + bucket.bytecode_from_string(code) + + def dump_bytecode(self, bucket): + args = (self.prefix + bucket.key, bucket.bytecode_to_string()) + if self.timeout is not None: + args += (self.timeout,) + try: + self.client.set(*args) + except Exception: + if not self.ignore_memcache_errors: + raise diff --git a/pyload/lib/jinja2/compiler.py b/pyload/lib/jinja2/compiler.py new file mode 100644 index 000000000..75a60b8d2 --- /dev/null +++ b/pyload/lib/jinja2/compiler.py @@ -0,0 +1,1640 @@ +# -*- coding: utf-8 -*- +""" + jinja2.compiler + ~~~~~~~~~~~~~~~ + + Compiles nodes into python code. + + :copyright: (c) 2010 by the Jinja Team. + :license: BSD, see LICENSE for more details. +""" +from itertools import chain +from copy import deepcopy +from keyword import iskeyword as is_python_keyword +from jinja2 import nodes +from jinja2.nodes import EvalContext +from jinja2.visitor import NodeVisitor +from jinja2.exceptions import TemplateAssertionError +from jinja2.utils import Markup, concat, escape +from jinja2._compat import range_type, next, text_type, string_types, \ + iteritems, NativeStringIO, imap + + +operators = { + 'eq': '==', + 'ne': '!=', + 'gt': '>', + 'gteq': '>=', + 'lt': '<', + 'lteq': '<=', + 'in': 'in', + 'notin': 'not in' +} + +# what method to iterate over items do we want to use for dict iteration +# in generated code? on 2.x let's go with iteritems, on 3.x with items +if hasattr(dict, 'iteritems'): + dict_item_iter = 'iteritems' +else: + dict_item_iter = 'items' + + +# does if 0: dummy(x) get us x into the scope? +def unoptimize_before_dead_code(): + x = 42 + def f(): + if 0: dummy(x) + return f + +# The getattr is necessary for pypy which does not set this attribute if +# no closure is on the function +unoptimize_before_dead_code = bool( + getattr(unoptimize_before_dead_code(), '__closure__', None)) + + +def generate(node, environment, name, filename, stream=None, + defer_init=False): + """Generate the python source for a node tree.""" + if not isinstance(node, nodes.Template): + raise TypeError('Can\'t compile non template nodes') + generator = CodeGenerator(environment, name, filename, stream, defer_init) + generator.visit(node) + if stream is None: + return generator.stream.getvalue() + + +def has_safe_repr(value): + """Does the node have a safe representation?""" + if value is None or value is NotImplemented or value is Ellipsis: + return True + if isinstance(value, (bool, int, float, complex, range_type, + Markup) + string_types): + return True + if isinstance(value, (tuple, list, set, frozenset)): + for item in value: + if not has_safe_repr(item): + return False + return True + elif isinstance(value, dict): + for key, value in iteritems(value): + if not has_safe_repr(key): + return False + if not has_safe_repr(value): + return False + return True + return False + + +def find_undeclared(nodes, names): + """Check if the names passed are accessed undeclared. The return value + is a set of all the undeclared names from the sequence of names found. + """ + visitor = UndeclaredNameVisitor(names) + try: + for node in nodes: + visitor.visit(node) + except VisitorExit: + pass + return visitor.undeclared + + +class Identifiers(object): + """Tracks the status of identifiers in frames.""" + + def __init__(self): + # variables that are known to be declared (probably from outer + # frames or because they are special for the frame) + self.declared = set() + + # undeclared variables from outer scopes + self.outer_undeclared = set() + + # names that are accessed without being explicitly declared by + # this one or any of the outer scopes. Names can appear both in + # declared and undeclared. + self.undeclared = set() + + # names that are declared locally + self.declared_locally = set() + + # names that are declared by parameters + self.declared_parameter = set() + + def add_special(self, name): + """Register a special name like `loop`.""" + self.undeclared.discard(name) + self.declared.add(name) + + def is_declared(self, name): + """Check if a name is declared in this or an outer scope.""" + if name in self.declared_locally or name in self.declared_parameter: + return True + return name in self.declared + + def copy(self): + return deepcopy(self) + + +class Frame(object): + """Holds compile time information for us.""" + + def __init__(self, eval_ctx, parent=None): + self.eval_ctx = eval_ctx + self.identifiers = Identifiers() + + # a toplevel frame is the root + soft frames such as if conditions. + self.toplevel = False + + # the root frame is basically just the outermost frame, so no if + # conditions. This information is used to optimize inheritance + # situations. + self.rootlevel = False + + # in some dynamic inheritance situations the compiler needs to add + # write tests around output statements. + self.require_output_check = parent and parent.require_output_check + + # inside some tags we are using a buffer rather than yield statements. + # this for example affects {% filter %} or {% macro %}. If a frame + # is buffered this variable points to the name of the list used as + # buffer. + self.buffer = None + + # the name of the block we're in, otherwise None. + self.block = parent and parent.block or None + + # a set of actually assigned names + self.assigned_names = set() + + # the parent of this frame + self.parent = parent + + if parent is not None: + self.identifiers.declared.update( + parent.identifiers.declared | + parent.identifiers.declared_parameter | + parent.assigned_names + ) + self.identifiers.outer_undeclared.update( + parent.identifiers.undeclared - + self.identifiers.declared + ) + self.buffer = parent.buffer + + def copy(self): + """Create a copy of the current one.""" + rv = object.__new__(self.__class__) + rv.__dict__.update(self.__dict__) + rv.identifiers = object.__new__(self.identifiers.__class__) + rv.identifiers.__dict__.update(self.identifiers.__dict__) + return rv + + def inspect(self, nodes): + """Walk the node and check for identifiers. If the scope is hard (eg: + enforce on a python level) overrides from outer scopes are tracked + differently. + """ + visitor = FrameIdentifierVisitor(self.identifiers) + for node in nodes: + visitor.visit(node) + + def find_shadowed(self, extra=()): + """Find all the shadowed names. extra is an iterable of variables + that may be defined with `add_special` which may occour scoped. + """ + i = self.identifiers + return (i.declared | i.outer_undeclared) & \ + (i.declared_locally | i.declared_parameter) | \ + set(x for x in extra if i.is_declared(x)) + + def inner(self): + """Return an inner frame.""" + return Frame(self.eval_ctx, self) + + def soft(self): + """Return a soft frame. A soft frame may not be modified as + standalone thing as it shares the resources with the frame it + was created of, but it's not a rootlevel frame any longer. + """ + rv = self.copy() + rv.rootlevel = False + return rv + + __copy__ = copy + + +class VisitorExit(RuntimeError): + """Exception used by the `UndeclaredNameVisitor` to signal a stop.""" + + +class DependencyFinderVisitor(NodeVisitor): + """A visitor that collects filter and test calls.""" + + def __init__(self): + self.filters = set() + self.tests = set() + + def visit_Filter(self, node): + self.generic_visit(node) + self.filters.add(node.name) + + def visit_Test(self, node): + self.generic_visit(node) + self.tests.add(node.name) + + def visit_Block(self, node): + """Stop visiting at blocks.""" + + +class UndeclaredNameVisitor(NodeVisitor): + """A visitor that checks if a name is accessed without being + declared. This is different from the frame visitor as it will + not stop at closure frames. + """ + + def __init__(self, names): + self.names = set(names) + self.undeclared = set() + + def visit_Name(self, node): + if node.ctx == 'load' and node.name in self.names: + self.undeclared.add(node.name) + if self.undeclared == self.names: + raise VisitorExit() + else: + self.names.discard(node.name) + + def visit_Block(self, node): + """Stop visiting a blocks.""" + + +class FrameIdentifierVisitor(NodeVisitor): + """A visitor for `Frame.inspect`.""" + + def __init__(self, identifiers): + self.identifiers = identifiers + + def visit_Name(self, node): + """All assignments to names go through this function.""" + if node.ctx == 'store': + self.identifiers.declared_locally.add(node.name) + elif node.ctx == 'param': + self.identifiers.declared_parameter.add(node.name) + elif node.ctx == 'load' and not \ + self.identifiers.is_declared(node.name): + self.identifiers.undeclared.add(node.name) + + def visit_If(self, node): + self.visit(node.test) + real_identifiers = self.identifiers + + old_names = real_identifiers.declared_locally | \ + real_identifiers.declared_parameter + + def inner_visit(nodes): + if not nodes: + return set() + self.identifiers = real_identifiers.copy() + for subnode in nodes: + self.visit(subnode) + rv = self.identifiers.declared_locally - old_names + # we have to remember the undeclared variables of this branch + # because we will have to pull them. + real_identifiers.undeclared.update(self.identifiers.undeclared) + self.identifiers = real_identifiers + return rv + + body = inner_visit(node.body) + else_ = inner_visit(node.else_ or ()) + + # the differences between the two branches are also pulled as + # undeclared variables + real_identifiers.undeclared.update(body.symmetric_difference(else_) - + real_identifiers.declared) + + # remember those that are declared. + real_identifiers.declared_locally.update(body | else_) + + def visit_Macro(self, node): + self.identifiers.declared_locally.add(node.name) + + def visit_Import(self, node): + self.generic_visit(node) + self.identifiers.declared_locally.add(node.target) + + def visit_FromImport(self, node): + self.generic_visit(node) + for name in node.names: + if isinstance(name, tuple): + self.identifiers.declared_locally.add(name[1]) + else: + self.identifiers.declared_locally.add(name) + + def visit_Assign(self, node): + """Visit assignments in the correct order.""" + self.visit(node.node) + self.visit(node.target) + + def visit_For(self, node): + """Visiting stops at for blocks. However the block sequence + is visited as part of the outer scope. + """ + self.visit(node.iter) + + def visit_CallBlock(self, node): + self.visit(node.call) + + def visit_FilterBlock(self, node): + self.visit(node.filter) + + def visit_Scope(self, node): + """Stop visiting at scopes.""" + + def visit_Block(self, node): + """Stop visiting at blocks.""" + + +class CompilerExit(Exception): + """Raised if the compiler encountered a situation where it just + doesn't make sense to further process the code. Any block that + raises such an exception is not further processed. + """ + + +class CodeGenerator(NodeVisitor): + + def __init__(self, environment, name, filename, stream=None, + defer_init=False): + if stream is None: + stream = NativeStringIO() + self.environment = environment + self.name = name + self.filename = filename + self.stream = stream + self.created_block_context = False + self.defer_init = defer_init + + # aliases for imports + self.import_aliases = {} + + # a registry for all blocks. Because blocks are moved out + # into the global python scope they are registered here + self.blocks = {} + + # the number of extends statements so far + self.extends_so_far = 0 + + # some templates have a rootlevel extends. In this case we + # can safely assume that we're a child template and do some + # more optimizations. + self.has_known_extends = False + + # the current line number + self.code_lineno = 1 + + # registry of all filters and tests (global, not block local) + self.tests = {} + self.filters = {} + + # the debug information + self.debug_info = [] + self._write_debug_info = None + + # the number of new lines before the next write() + self._new_lines = 0 + + # the line number of the last written statement + self._last_line = 0 + + # true if nothing was written so far. + self._first_write = True + + # used by the `temporary_identifier` method to get new + # unique, temporary identifier + self._last_identifier = 0 + + # the current indentation + self._indentation = 0 + + # -- Various compilation helpers + + def fail(self, msg, lineno): + """Fail with a :exc:`TemplateAssertionError`.""" + raise TemplateAssertionError(msg, lineno, self.name, self.filename) + + def temporary_identifier(self): + """Get a new unique identifier.""" + self._last_identifier += 1 + return 't_%d' % self._last_identifier + + def buffer(self, frame): + """Enable buffering for the frame from that point onwards.""" + frame.buffer = self.temporary_identifier() + self.writeline('%s = []' % frame.buffer) + + def return_buffer_contents(self, frame): + """Return the buffer contents of the frame.""" + if frame.eval_ctx.volatile: + self.writeline('if context.eval_ctx.autoescape:') + self.indent() + self.writeline('return Markup(concat(%s))' % frame.buffer) + self.outdent() + self.writeline('else:') + self.indent() + self.writeline('return concat(%s)' % frame.buffer) + self.outdent() + elif frame.eval_ctx.autoescape: + self.writeline('return Markup(concat(%s))' % frame.buffer) + else: + self.writeline('return concat(%s)' % frame.buffer) + + def indent(self): + """Indent by one.""" + self._indentation += 1 + + def outdent(self, step=1): + """Outdent by step.""" + self._indentation -= step + + def start_write(self, frame, node=None): + """Yield or write into the frame buffer.""" + if frame.buffer is None: + self.writeline('yield ', node) + else: + self.writeline('%s.append(' % frame.buffer, node) + + def end_write(self, frame): + """End the writing process started by `start_write`.""" + if frame.buffer is not None: + self.write(')') + + def simple_write(self, s, frame, node=None): + """Simple shortcut for start_write + write + end_write.""" + self.start_write(frame, node) + self.write(s) + self.end_write(frame) + + def blockvisit(self, nodes, frame): + """Visit a list of nodes as block in a frame. If the current frame + is no buffer a dummy ``if 0: yield None`` is written automatically + unless the force_generator parameter is set to False. + """ + if frame.buffer is None: + self.writeline('if 0: yield None') + else: + self.writeline('pass') + try: + for node in nodes: + self.visit(node, frame) + except CompilerExit: + pass + + def write(self, x): + """Write a string into the output stream.""" + if self._new_lines: + if not self._first_write: + self.stream.write('\n' * self._new_lines) + self.code_lineno += self._new_lines + if self._write_debug_info is not None: + self.debug_info.append((self._write_debug_info, + self.code_lineno)) + self._write_debug_info = None + self._first_write = False + self.stream.write(' ' * self._indentation) + self._new_lines = 0 + self.stream.write(x) + + def writeline(self, x, node=None, extra=0): + """Combination of newline and write.""" + self.newline(node, extra) + self.write(x) + + def newline(self, node=None, extra=0): + """Add one or more newlines before the next write.""" + self._new_lines = max(self._new_lines, 1 + extra) + if node is not None and node.lineno != self._last_line: + self._write_debug_info = node.lineno + self._last_line = node.lineno + + def signature(self, node, frame, extra_kwargs=None): + """Writes a function call to the stream for the current node. + A leading comma is added automatically. The extra keyword + arguments may not include python keywords otherwise a syntax + error could occour. The extra keyword arguments should be given + as python dict. + """ + # if any of the given keyword arguments is a python keyword + # we have to make sure that no invalid call is created. + kwarg_workaround = False + for kwarg in chain((x.key for x in node.kwargs), extra_kwargs or ()): + if is_python_keyword(kwarg): + kwarg_workaround = True + break + + for arg in node.args: + self.write(', ') + self.visit(arg, frame) + + if not kwarg_workaround: + for kwarg in node.kwargs: + self.write(', ') + self.visit(kwarg, frame) + if extra_kwargs is not None: + for key, value in iteritems(extra_kwargs): + self.write(', %s=%s' % (key, value)) + if node.dyn_args: + self.write(', *') + self.visit(node.dyn_args, frame) + + if kwarg_workaround: + if node.dyn_kwargs is not None: + self.write(', **dict({') + else: + self.write(', **{') + for kwarg in node.kwargs: + self.write('%r: ' % kwarg.key) + self.visit(kwarg.value, frame) + self.write(', ') + if extra_kwargs is not None: + for key, value in iteritems(extra_kwargs): + self.write('%r: %s, ' % (key, value)) + if node.dyn_kwargs is not None: + self.write('}, **') + self.visit(node.dyn_kwargs, frame) + self.write(')') + else: + self.write('}') + + elif node.dyn_kwargs is not None: + self.write(', **') + self.visit(node.dyn_kwargs, frame) + + def pull_locals(self, frame): + """Pull all the references identifiers into the local scope.""" + for name in frame.identifiers.undeclared: + self.writeline('l_%s = context.resolve(%r)' % (name, name)) + + def pull_dependencies(self, nodes): + """Pull all the dependencies.""" + visitor = DependencyFinderVisitor() + for node in nodes: + visitor.visit(node) + for dependency in 'filters', 'tests': + mapping = getattr(self, dependency) + for name in getattr(visitor, dependency): + if name not in mapping: + mapping[name] = self.temporary_identifier() + self.writeline('%s = environment.%s[%r]' % + (mapping[name], dependency, name)) + + def unoptimize_scope(self, frame): + """Disable Python optimizations for the frame.""" + # XXX: this is not that nice but it has no real overhead. It + # mainly works because python finds the locals before dead code + # is removed. If that breaks we have to add a dummy function + # that just accepts the arguments and does nothing. + if frame.identifiers.declared: + self.writeline('%sdummy(%s)' % ( + unoptimize_before_dead_code and 'if 0: ' or '', + ', '.join('l_' + name for name in frame.identifiers.declared) + )) + + def push_scope(self, frame, extra_vars=()): + """This function returns all the shadowed variables in a dict + in the form name: alias and will write the required assignments + into the current scope. No indentation takes place. + + This also predefines locally declared variables from the loop + body because under some circumstances it may be the case that + + `extra_vars` is passed to `Frame.find_shadowed`. + """ + aliases = {} + for name in frame.find_shadowed(extra_vars): + aliases[name] = ident = self.temporary_identifier() + self.writeline('%s = l_%s' % (ident, name)) + to_declare = set() + for name in frame.identifiers.declared_locally: + if name not in aliases: + to_declare.add('l_' + name) + if to_declare: + self.writeline(' = '.join(to_declare) + ' = missing') + return aliases + + def pop_scope(self, aliases, frame): + """Restore all aliases and delete unused variables.""" + for name, alias in iteritems(aliases): + self.writeline('l_%s = %s' % (name, alias)) + to_delete = set() + for name in frame.identifiers.declared_locally: + if name not in aliases: + to_delete.add('l_' + name) + if to_delete: + # we cannot use the del statement here because enclosed + # scopes can trigger a SyntaxError: + # a = 42; b = lambda: a; del a + self.writeline(' = '.join(to_delete) + ' = missing') + + def function_scoping(self, node, frame, children=None, + find_special=True): + """In Jinja a few statements require the help of anonymous + functions. Those are currently macros and call blocks and in + the future also recursive loops. As there is currently + technical limitation that doesn't allow reading and writing a + variable in a scope where the initial value is coming from an + outer scope, this function tries to fall back with a common + error message. Additionally the frame passed is modified so + that the argumetns are collected and callers are looked up. + + This will return the modified frame. + """ + # we have to iterate twice over it, make sure that works + if children is None: + children = node.iter_child_nodes() + children = list(children) + func_frame = frame.inner() + func_frame.inspect(children) + + # variables that are undeclared (accessed before declaration) and + # declared locally *and* part of an outside scope raise a template + # assertion error. Reason: we can't generate reasonable code from + # it without aliasing all the variables. + # this could be fixed in Python 3 where we have the nonlocal + # keyword or if we switch to bytecode generation + overridden_closure_vars = ( + func_frame.identifiers.undeclared & + func_frame.identifiers.declared & + (func_frame.identifiers.declared_locally | + func_frame.identifiers.declared_parameter) + ) + if overridden_closure_vars: + self.fail('It\'s not possible to set and access variables ' + 'derived from an outer scope! (affects: %s)' % + ', '.join(sorted(overridden_closure_vars)), node.lineno) + + # remove variables from a closure from the frame's undeclared + # identifiers. + func_frame.identifiers.undeclared -= ( + func_frame.identifiers.undeclared & + func_frame.identifiers.declared + ) + + # no special variables for this scope, abort early + if not find_special: + return func_frame + + func_frame.accesses_kwargs = False + func_frame.accesses_varargs = False + func_frame.accesses_caller = False + func_frame.arguments = args = ['l_' + x.name for x in node.args] + + undeclared = find_undeclared(children, ('caller', 'kwargs', 'varargs')) + + if 'caller' in undeclared: + func_frame.accesses_caller = True + func_frame.identifiers.add_special('caller') + args.append('l_caller') + if 'kwargs' in undeclared: + func_frame.accesses_kwargs = True + func_frame.identifiers.add_special('kwargs') + args.append('l_kwargs') + if 'varargs' in undeclared: + func_frame.accesses_varargs = True + func_frame.identifiers.add_special('varargs') + args.append('l_varargs') + return func_frame + + def macro_body(self, node, frame, children=None): + """Dump the function def of a macro or call block.""" + frame = self.function_scoping(node, frame, children) + # macros are delayed, they never require output checks + frame.require_output_check = False + args = frame.arguments + # XXX: this is an ugly fix for the loop nesting bug + # (tests.test_old_bugs.test_loop_call_bug). This works around + # a identifier nesting problem we have in general. It's just more + # likely to happen in loops which is why we work around it. The + # real solution would be "nonlocal" all the identifiers that are + # leaking into a new python frame and might be used both unassigned + # and assigned. + if 'loop' in frame.identifiers.declared: + args = args + ['l_loop=l_loop'] + self.writeline('def macro(%s):' % ', '.join(args), node) + self.indent() + self.buffer(frame) + self.pull_locals(frame) + self.blockvisit(node.body, frame) + self.return_buffer_contents(frame) + self.outdent() + return frame + + def macro_def(self, node, frame): + """Dump the macro definition for the def created by macro_body.""" + arg_tuple = ', '.join(repr(x.name) for x in node.args) + name = getattr(node, 'name', None) + if len(node.args) == 1: + arg_tuple += ',' + self.write('Macro(environment, macro, %r, (%s), (' % + (name, arg_tuple)) + for arg in node.defaults: + self.visit(arg, frame) + self.write(', ') + self.write('), %r, %r, %r)' % ( + bool(frame.accesses_kwargs), + bool(frame.accesses_varargs), + bool(frame.accesses_caller) + )) + + def position(self, node): + """Return a human readable position for the node.""" + rv = 'line %d' % node.lineno + if self.name is not None: + rv += ' in ' + repr(self.name) + return rv + + # -- Statement Visitors + + def visit_Template(self, node, frame=None): + assert frame is None, 'no root frame allowed' + eval_ctx = EvalContext(self.environment, self.name) + + from jinja2.runtime import __all__ as exported + self.writeline('from __future__ import division') + self.writeline('from jinja2.runtime import ' + ', '.join(exported)) + if not unoptimize_before_dead_code: + self.writeline('dummy = lambda *x: None') + + # if we want a deferred initialization we cannot move the + # environment into a local name + envenv = not self.defer_init and ', environment=environment' or '' + + # do we have an extends tag at all? If not, we can save some + # overhead by just not processing any inheritance code. + have_extends = node.find(nodes.Extends) is not None + + # find all blocks + for block in node.find_all(nodes.Block): + if block.name in self.blocks: + self.fail('block %r defined twice' % block.name, block.lineno) + self.blocks[block.name] = block + + # find all imports and import them + for import_ in node.find_all(nodes.ImportedName): + if import_.importname not in self.import_aliases: + imp = import_.importname + self.import_aliases[imp] = alias = self.temporary_identifier() + if '.' in imp: + module, obj = imp.rsplit('.', 1) + self.writeline('from %s import %s as %s' % + (module, obj, alias)) + else: + self.writeline('import %s as %s' % (imp, alias)) + + # add the load name + self.writeline('name = %r' % self.name) + + # generate the root render function. + self.writeline('def root(context%s):' % envenv, extra=1) + + # process the root + frame = Frame(eval_ctx) + frame.inspect(node.body) + frame.toplevel = frame.rootlevel = True + frame.require_output_check = have_extends and not self.has_known_extends + self.indent() + if have_extends: + self.writeline('parent_template = None') + if 'self' in find_undeclared(node.body, ('self',)): + frame.identifiers.add_special('self') + self.writeline('l_self = TemplateReference(context)') + self.pull_locals(frame) + self.pull_dependencies(node.body) + self.blockvisit(node.body, frame) + self.outdent() + + # make sure that the parent root is called. + if have_extends: + if not self.has_known_extends: + self.indent() + self.writeline('if parent_template is not None:') + self.indent() + self.writeline('for event in parent_template.' + 'root_render_func(context):') + self.indent() + self.writeline('yield event') + self.outdent(2 + (not self.has_known_extends)) + + # at this point we now have the blocks collected and can visit them too. + for name, block in iteritems(self.blocks): + block_frame = Frame(eval_ctx) + block_frame.inspect(block.body) + block_frame.block = name + self.writeline('def block_%s(context%s):' % (name, envenv), + block, 1) + self.indent() + undeclared = find_undeclared(block.body, ('self', 'super')) + if 'self' in undeclared: + block_frame.identifiers.add_special('self') + self.writeline('l_self = TemplateReference(context)') + if 'super' in undeclared: + block_frame.identifiers.add_special('super') + self.writeline('l_super = context.super(%r, ' + 'block_%s)' % (name, name)) + self.pull_locals(block_frame) + self.pull_dependencies(block.body) + self.blockvisit(block.body, block_frame) + self.outdent() + + self.writeline('blocks = {%s}' % ', '.join('%r: block_%s' % (x, x) + for x in self.blocks), + extra=1) + + # add a function that returns the debug info + self.writeline('debug_info = %r' % '&'.join('%s=%s' % x for x + in self.debug_info)) + + def visit_Block(self, node, frame): + """Call a block and register it for the template.""" + level = 1 + if frame.toplevel: + # if we know that we are a child template, there is no need to + # check if we are one + if self.has_known_extends: + return + if self.extends_so_far > 0: + self.writeline('if parent_template is None:') + self.indent() + level += 1 + context = node.scoped and 'context.derived(locals())' or 'context' + self.writeline('for event in context.blocks[%r][0](%s):' % ( + node.name, context), node) + self.indent() + self.simple_write('event', frame) + self.outdent(level) + + def visit_Extends(self, node, frame): + """Calls the extender.""" + if not frame.toplevel: + self.fail('cannot use extend from a non top-level scope', + node.lineno) + + # if the number of extends statements in general is zero so + # far, we don't have to add a check if something extended + # the template before this one. + if self.extends_so_far > 0: + + # if we have a known extends we just add a template runtime + # error into the generated code. We could catch that at compile + # time too, but i welcome it not to confuse users by throwing the + # same error at different times just "because we can". + if not self.has_known_extends: + self.writeline('if parent_template is not None:') + self.indent() + self.writeline('raise TemplateRuntimeError(%r)' % + 'extended multiple times') + + # if we have a known extends already we don't need that code here + # as we know that the template execution will end here. + if self.has_known_extends: + raise CompilerExit() + else: + self.outdent() + + self.writeline('parent_template = environment.get_template(', node) + self.visit(node.template, frame) + self.write(', %r)' % self.name) + self.writeline('for name, parent_block in parent_template.' + 'blocks.%s():' % dict_item_iter) + self.indent() + self.writeline('context.blocks.setdefault(name, []).' + 'append(parent_block)') + self.outdent() + + # if this extends statement was in the root level we can take + # advantage of that information and simplify the generated code + # in the top level from this point onwards + if frame.rootlevel: + self.has_known_extends = True + + # and now we have one more + self.extends_so_far += 1 + + def visit_Include(self, node, frame): + """Handles includes.""" + if node.with_context: + self.unoptimize_scope(frame) + if node.ignore_missing: + self.writeline('try:') + self.indent() + + func_name = 'get_or_select_template' + if isinstance(node.template, nodes.Const): + if isinstance(node.template.value, string_types): + func_name = 'get_template' + elif isinstance(node.template.value, (tuple, list)): + func_name = 'select_template' + elif isinstance(node.template, (nodes.Tuple, nodes.List)): + func_name = 'select_template' + + self.writeline('template = environment.%s(' % func_name, node) + self.visit(node.template, frame) + self.write(', %r)' % self.name) + if node.ignore_missing: + self.outdent() + self.writeline('except TemplateNotFound:') + self.indent() + self.writeline('pass') + self.outdent() + self.writeline('else:') + self.indent() + + if node.with_context: + self.writeline('for event in template.root_render_func(' + 'template.new_context(context.parent, True, ' + 'locals())):') + else: + self.writeline('for event in template.module._body_stream:') + + self.indent() + self.simple_write('event', frame) + self.outdent() + + if node.ignore_missing: + self.outdent() + + def visit_Import(self, node, frame): + """Visit regular imports.""" + if node.with_context: + self.unoptimize_scope(frame) + self.writeline('l_%s = ' % node.target, node) + if frame.toplevel: + self.write('context.vars[%r] = ' % node.target) + self.write('environment.get_template(') + self.visit(node.template, frame) + self.write(', %r).' % self.name) + if node.with_context: + self.write('make_module(context.parent, True, locals())') + else: + self.write('module') + if frame.toplevel and not node.target.startswith('_'): + self.writeline('context.exported_vars.discard(%r)' % node.target) + frame.assigned_names.add(node.target) + + def visit_FromImport(self, node, frame): + """Visit named imports.""" + self.newline(node) + self.write('included_template = environment.get_template(') + self.visit(node.template, frame) + self.write(', %r).' % self.name) + if node.with_context: + self.write('make_module(context.parent, True)') + else: + self.write('module') + + var_names = [] + discarded_names = [] + for name in node.names: + if isinstance(name, tuple): + name, alias = name + else: + alias = name + self.writeline('l_%s = getattr(included_template, ' + '%r, missing)' % (alias, name)) + self.writeline('if l_%s is missing:' % alias) + self.indent() + self.writeline('l_%s = environment.undefined(%r %% ' + 'included_template.__name__, ' + 'name=%r)' % + (alias, 'the template %%r (imported on %s) does ' + 'not export the requested name %s' % ( + self.position(node), + repr(name) + ), name)) + self.outdent() + if frame.toplevel: + var_names.append(alias) + if not alias.startswith('_'): + discarded_names.append(alias) + frame.assigned_names.add(alias) + + if var_names: + if len(var_names) == 1: + name = var_names[0] + self.writeline('context.vars[%r] = l_%s' % (name, name)) + else: + self.writeline('context.vars.update({%s})' % ', '.join( + '%r: l_%s' % (name, name) for name in var_names + )) + if discarded_names: + if len(discarded_names) == 1: + self.writeline('context.exported_vars.discard(%r)' % + discarded_names[0]) + else: + self.writeline('context.exported_vars.difference_' + 'update((%s))' % ', '.join(imap(repr, discarded_names))) + + def visit_For(self, node, frame): + # when calculating the nodes for the inner frame we have to exclude + # the iterator contents from it + children = node.iter_child_nodes(exclude=('iter',)) + if node.recursive: + loop_frame = self.function_scoping(node, frame, children, + find_special=False) + else: + loop_frame = frame.inner() + loop_frame.inspect(children) + + # try to figure out if we have an extended loop. An extended loop + # is necessary if the loop is in recursive mode if the special loop + # variable is accessed in the body. + extended_loop = node.recursive or 'loop' in \ + find_undeclared(node.iter_child_nodes( + only=('body',)), ('loop',)) + + # if we don't have an recursive loop we have to find the shadowed + # variables at that point. Because loops can be nested but the loop + # variable is a special one we have to enforce aliasing for it. + if not node.recursive: + aliases = self.push_scope(loop_frame, ('loop',)) + + # otherwise we set up a buffer and add a function def + else: + self.writeline('def loop(reciter, loop_render_func, depth=0):', node) + self.indent() + self.buffer(loop_frame) + aliases = {} + + # make sure the loop variable is a special one and raise a template + # assertion error if a loop tries to write to loop + if extended_loop: + self.writeline('l_loop = missing') + loop_frame.identifiers.add_special('loop') + for name in node.find_all(nodes.Name): + if name.ctx == 'store' and name.name == 'loop': + self.fail('Can\'t assign to special loop variable ' + 'in for-loop target', name.lineno) + + self.pull_locals(loop_frame) + if node.else_: + iteration_indicator = self.temporary_identifier() + self.writeline('%s = 1' % iteration_indicator) + + # Create a fake parent loop if the else or test section of a + # loop is accessing the special loop variable and no parent loop + # exists. + if 'loop' not in aliases and 'loop' in find_undeclared( + node.iter_child_nodes(only=('else_', 'test')), ('loop',)): + self.writeline("l_loop = environment.undefined(%r, name='loop')" % + ("'loop' is undefined. the filter section of a loop as well " + "as the else block don't have access to the special 'loop'" + " variable of the current loop. Because there is no parent " + "loop it's undefined. Happened in loop on %s" % + self.position(node))) + + self.writeline('for ', node) + self.visit(node.target, loop_frame) + self.write(extended_loop and ', l_loop in LoopContext(' or ' in ') + + # if we have an extened loop and a node test, we filter in the + # "outer frame". + if extended_loop and node.test is not None: + self.write('(') + self.visit(node.target, loop_frame) + self.write(' for ') + self.visit(node.target, loop_frame) + self.write(' in ') + if node.recursive: + self.write('reciter') + else: + self.visit(node.iter, loop_frame) + self.write(' if (') + test_frame = loop_frame.copy() + self.visit(node.test, test_frame) + self.write('))') + + elif node.recursive: + self.write('reciter') + else: + self.visit(node.iter, loop_frame) + + if node.recursive: + self.write(', loop_render_func, depth):') + else: + self.write(extended_loop and '):' or ':') + + # tests in not extended loops become a continue + if not extended_loop and node.test is not None: + self.indent() + self.writeline('if not ') + self.visit(node.test, loop_frame) + self.write(':') + self.indent() + self.writeline('continue') + self.outdent(2) + + self.indent() + self.blockvisit(node.body, loop_frame) + if node.else_: + self.writeline('%s = 0' % iteration_indicator) + self.outdent() + + if node.else_: + self.writeline('if %s:' % iteration_indicator) + self.indent() + self.blockvisit(node.else_, loop_frame) + self.outdent() + + # reset the aliases if there are any. + if not node.recursive: + self.pop_scope(aliases, loop_frame) + + # if the node was recursive we have to return the buffer contents + # and start the iteration code + if node.recursive: + self.return_buffer_contents(loop_frame) + self.outdent() + self.start_write(frame, node) + self.write('loop(') + self.visit(node.iter, frame) + self.write(', loop)') + self.end_write(frame) + + def visit_If(self, node, frame): + if_frame = frame.soft() + self.writeline('if ', node) + self.visit(node.test, if_frame) + self.write(':') + self.indent() + self.blockvisit(node.body, if_frame) + self.outdent() + if node.else_: + self.writeline('else:') + self.indent() + self.blockvisit(node.else_, if_frame) + self.outdent() + + def visit_Macro(self, node, frame): + macro_frame = self.macro_body(node, frame) + self.newline() + if frame.toplevel: + if not node.name.startswith('_'): + self.write('context.exported_vars.add(%r)' % node.name) + self.writeline('context.vars[%r] = ' % node.name) + self.write('l_%s = ' % node.name) + self.macro_def(node, macro_frame) + frame.assigned_names.add(node.name) + + def visit_CallBlock(self, node, frame): + children = node.iter_child_nodes(exclude=('call',)) + call_frame = self.macro_body(node, frame, children) + self.writeline('caller = ') + self.macro_def(node, call_frame) + self.start_write(frame, node) + self.visit_Call(node.call, call_frame, forward_caller=True) + self.end_write(frame) + + def visit_FilterBlock(self, node, frame): + filter_frame = frame.inner() + filter_frame.inspect(node.iter_child_nodes()) + aliases = self.push_scope(filter_frame) + self.pull_locals(filter_frame) + self.buffer(filter_frame) + self.blockvisit(node.body, filter_frame) + self.start_write(frame, node) + self.visit_Filter(node.filter, filter_frame) + self.end_write(frame) + self.pop_scope(aliases, filter_frame) + + def visit_ExprStmt(self, node, frame): + self.newline(node) + self.visit(node.node, frame) + + def visit_Output(self, node, frame): + # if we have a known extends statement, we don't output anything + # if we are in a require_output_check section + if self.has_known_extends and frame.require_output_check: + return + + if self.environment.finalize: + finalize = lambda x: text_type(self.environment.finalize(x)) + else: + finalize = text_type + + # if we are inside a frame that requires output checking, we do so + outdent_later = False + if frame.require_output_check: + self.writeline('if parent_template is None:') + self.indent() + outdent_later = True + + # try to evaluate as many chunks as possible into a static + # string at compile time. + body = [] + for child in node.nodes: + try: + const = child.as_const(frame.eval_ctx) + except nodes.Impossible: + body.append(child) + continue + # the frame can't be volatile here, becaus otherwise the + # as_const() function would raise an Impossible exception + # at that point. + try: + if frame.eval_ctx.autoescape: + if hasattr(const, '__html__'): + const = const.__html__() + else: + const = escape(const) + const = finalize(const) + except Exception: + # if something goes wrong here we evaluate the node + # at runtime for easier debugging + body.append(child) + continue + if body and isinstance(body[-1], list): + body[-1].append(const) + else: + body.append([const]) + + # if we have less than 3 nodes or a buffer we yield or extend/append + if len(body) < 3 or frame.buffer is not None: + if frame.buffer is not None: + # for one item we append, for more we extend + if len(body) == 1: + self.writeline('%s.append(' % frame.buffer) + else: + self.writeline('%s.extend((' % frame.buffer) + self.indent() + for item in body: + if isinstance(item, list): + val = repr(concat(item)) + if frame.buffer is None: + self.writeline('yield ' + val) + else: + self.writeline(val + ', ') + else: + if frame.buffer is None: + self.writeline('yield ', item) + else: + self.newline(item) + close = 1 + if frame.eval_ctx.volatile: + self.write('(context.eval_ctx.autoescape and' + ' escape or to_string)(') + elif frame.eval_ctx.autoescape: + self.write('escape(') + else: + self.write('to_string(') + if self.environment.finalize is not None: + self.write('environment.finalize(') + close += 1 + self.visit(item, frame) + self.write(')' * close) + if frame.buffer is not None: + self.write(', ') + if frame.buffer is not None: + # close the open parentheses + self.outdent() + self.writeline(len(body) == 1 and ')' or '))') + + # otherwise we create a format string as this is faster in that case + else: + format = [] + arguments = [] + for item in body: + if isinstance(item, list): + format.append(concat(item).replace('%', '%%')) + else: + format.append('%s') + arguments.append(item) + self.writeline('yield ') + self.write(repr(concat(format)) + ' % (') + idx = -1 + self.indent() + for argument in arguments: + self.newline(argument) + close = 0 + if frame.eval_ctx.volatile: + self.write('(context.eval_ctx.autoescape and' + ' escape or to_string)(') + close += 1 + elif frame.eval_ctx.autoescape: + self.write('escape(') + close += 1 + if self.environment.finalize is not None: + self.write('environment.finalize(') + close += 1 + self.visit(argument, frame) + self.write(')' * close + ', ') + self.outdent() + self.writeline(')') + + if outdent_later: + self.outdent() + + def visit_Assign(self, node, frame): + self.newline(node) + # toplevel assignments however go into the local namespace and + # the current template's context. We create a copy of the frame + # here and add a set so that the Name visitor can add the assigned + # names here. + if frame.toplevel: + assignment_frame = frame.copy() + assignment_frame.toplevel_assignments = set() + else: + assignment_frame = frame + self.visit(node.target, assignment_frame) + self.write(' = ') + self.visit(node.node, frame) + + # make sure toplevel assignments are added to the context. + if frame.toplevel: + public_names = [x for x in assignment_frame.toplevel_assignments + if not x.startswith('_')] + if len(assignment_frame.toplevel_assignments) == 1: + name = next(iter(assignment_frame.toplevel_assignments)) + self.writeline('context.vars[%r] = l_%s' % (name, name)) + else: + self.writeline('context.vars.update({') + for idx, name in enumerate(assignment_frame.toplevel_assignments): + if idx: + self.write(', ') + self.write('%r: l_%s' % (name, name)) + self.write('})') + if public_names: + if len(public_names) == 1: + self.writeline('context.exported_vars.add(%r)' % + public_names[0]) + else: + self.writeline('context.exported_vars.update((%s))' % + ', '.join(imap(repr, public_names))) + + # -- Expression Visitors + + def visit_Name(self, node, frame): + if node.ctx == 'store' and frame.toplevel: + frame.toplevel_assignments.add(node.name) + self.write('l_' + node.name) + frame.assigned_names.add(node.name) + + def visit_Const(self, node, frame): + val = node.value + if isinstance(val, float): + self.write(str(val)) + else: + self.write(repr(val)) + + def visit_TemplateData(self, node, frame): + try: + self.write(repr(node.as_const(frame.eval_ctx))) + except nodes.Impossible: + self.write('(context.eval_ctx.autoescape and Markup or identity)(%r)' + % node.data) + + def visit_Tuple(self, node, frame): + self.write('(') + idx = -1 + for idx, item in enumerate(node.items): + if idx: + self.write(', ') + self.visit(item, frame) + self.write(idx == 0 and ',)' or ')') + + def visit_List(self, node, frame): + self.write('[') + for idx, item in enumerate(node.items): + if idx: + self.write(', ') + self.visit(item, frame) + self.write(']') + + def visit_Dict(self, node, frame): + self.write('{') + for idx, item in enumerate(node.items): + if idx: + self.write(', ') + self.visit(item.key, frame) + self.write(': ') + self.visit(item.value, frame) + self.write('}') + + def binop(operator, interceptable=True): + def visitor(self, node, frame): + if self.environment.sandboxed and \ + operator in self.environment.intercepted_binops: + self.write('environment.call_binop(context, %r, ' % operator) + self.visit(node.left, frame) + self.write(', ') + self.visit(node.right, frame) + else: + self.write('(') + self.visit(node.left, frame) + self.write(' %s ' % operator) + self.visit(node.right, frame) + self.write(')') + return visitor + + def uaop(operator, interceptable=True): + def visitor(self, node, frame): + if self.environment.sandboxed and \ + operator in self.environment.intercepted_unops: + self.write('environment.call_unop(context, %r, ' % operator) + self.visit(node.node, frame) + else: + self.write('(' + operator) + self.visit(node.node, frame) + self.write(')') + return visitor + + visit_Add = binop('+') + visit_Sub = binop('-') + visit_Mul = binop('*') + visit_Div = binop('/') + visit_FloorDiv = binop('//') + visit_Pow = binop('**') + visit_Mod = binop('%') + visit_And = binop('and', interceptable=False) + visit_Or = binop('or', interceptable=False) + visit_Pos = uaop('+') + visit_Neg = uaop('-') + visit_Not = uaop('not ', interceptable=False) + del binop, uaop + + def visit_Concat(self, node, frame): + if frame.eval_ctx.volatile: + func_name = '(context.eval_ctx.volatile and' \ + ' markup_join or unicode_join)' + elif frame.eval_ctx.autoescape: + func_name = 'markup_join' + else: + func_name = 'unicode_join' + self.write('%s((' % func_name) + for arg in node.nodes: + self.visit(arg, frame) + self.write(', ') + self.write('))') + + def visit_Compare(self, node, frame): + self.visit(node.expr, frame) + for op in node.ops: + self.visit(op, frame) + + def visit_Operand(self, node, frame): + self.write(' %s ' % operators[node.op]) + self.visit(node.expr, frame) + + def visit_Getattr(self, node, frame): + self.write('environment.getattr(') + self.visit(node.node, frame) + self.write(', %r)' % node.attr) + + def visit_Getitem(self, node, frame): + # slices bypass the environment getitem method. + if isinstance(node.arg, nodes.Slice): + self.visit(node.node, frame) + self.write('[') + self.visit(node.arg, frame) + self.write(']') + else: + self.write('environment.getitem(') + self.visit(node.node, frame) + self.write(', ') + self.visit(node.arg, frame) + self.write(')') + + def visit_Slice(self, node, frame): + if node.start is not None: + self.visit(node.start, frame) + self.write(':') + if node.stop is not None: + self.visit(node.stop, frame) + if node.step is not None: + self.write(':') + self.visit(node.step, frame) + + def visit_Filter(self, node, frame): + self.write(self.filters[node.name] + '(') + func = self.environment.filters.get(node.name) + if func is None: + self.fail('no filter named %r' % node.name, node.lineno) + if getattr(func, 'contextfilter', False): + self.write('context, ') + elif getattr(func, 'evalcontextfilter', False): + self.write('context.eval_ctx, ') + elif getattr(func, 'environmentfilter', False): + self.write('environment, ') + + # if the filter node is None we are inside a filter block + # and want to write to the current buffer + if node.node is not None: + self.visit(node.node, frame) + elif frame.eval_ctx.volatile: + self.write('(context.eval_ctx.autoescape and' + ' Markup(concat(%s)) or concat(%s))' % + (frame.buffer, frame.buffer)) + elif frame.eval_ctx.autoescape: + self.write('Markup(concat(%s))' % frame.buffer) + else: + self.write('concat(%s)' % frame.buffer) + self.signature(node, frame) + self.write(')') + + def visit_Test(self, node, frame): + self.write(self.tests[node.name] + '(') + if node.name not in self.environment.tests: + self.fail('no test named %r' % node.name, node.lineno) + self.visit(node.node, frame) + self.signature(node, frame) + self.write(')') + + def visit_CondExpr(self, node, frame): + def write_expr2(): + if node.expr2 is not None: + return self.visit(node.expr2, frame) + self.write('environment.undefined(%r)' % ('the inline if-' + 'expression on %s evaluated to false and ' + 'no else section was defined.' % self.position(node))) + + self.write('(') + self.visit(node.expr1, frame) + self.write(' if ') + self.visit(node.test, frame) + self.write(' else ') + write_expr2() + self.write(')') + + def visit_Call(self, node, frame, forward_caller=False): + if self.environment.sandboxed: + self.write('environment.call(context, ') + else: + self.write('context.call(') + self.visit(node.node, frame) + extra_kwargs = forward_caller and {'caller': 'caller'} or None + self.signature(node, frame, extra_kwargs) + self.write(')') + + def visit_Keyword(self, node, frame): + self.write(node.key + '=') + self.visit(node.value, frame) + + # -- Unused nodes for extensions + + def visit_MarkSafe(self, node, frame): + self.write('Markup(') + self.visit(node.expr, frame) + self.write(')') + + def visit_MarkSafeIfAutoescape(self, node, frame): + self.write('(context.eval_ctx.autoescape and Markup or identity)(') + self.visit(node.expr, frame) + self.write(')') + + def visit_EnvironmentAttribute(self, node, frame): + self.write('environment.' + node.name) + + def visit_ExtensionAttribute(self, node, frame): + self.write('environment.extensions[%r].%s' % (node.identifier, node.name)) + + def visit_ImportedName(self, node, frame): + self.write(self.import_aliases[node.importname]) + + def visit_InternalName(self, node, frame): + self.write(node.name) + + def visit_ContextReference(self, node, frame): + self.write('context') + + def visit_Continue(self, node, frame): + self.writeline('continue', node) + + def visit_Break(self, node, frame): + self.writeline('break', node) + + def visit_Scope(self, node, frame): + scope_frame = frame.inner() + scope_frame.inspect(node.iter_child_nodes()) + aliases = self.push_scope(scope_frame) + self.pull_locals(scope_frame) + self.blockvisit(node.body, scope_frame) + self.pop_scope(aliases, scope_frame) + + def visit_EvalContextModifier(self, node, frame): + for keyword in node.options: + self.writeline('context.eval_ctx.%s = ' % keyword.key) + self.visit(keyword.value, frame) + try: + val = keyword.value.as_const(frame.eval_ctx) + except nodes.Impossible: + frame.eval_ctx.volatile = True + else: + setattr(frame.eval_ctx, keyword.key, val) + + def visit_ScopedEvalContextModifier(self, node, frame): + old_ctx_name = self.temporary_identifier() + safed_ctx = frame.eval_ctx.save() + self.writeline('%s = context.eval_ctx.save()' % old_ctx_name) + self.visit_EvalContextModifier(node, frame) + for child in node.body: + self.visit(child, frame) + frame.eval_ctx.revert(safed_ctx) + self.writeline('context.eval_ctx.revert(%s)' % old_ctx_name) diff --git a/pyload/lib/jinja2/constants.py b/pyload/lib/jinja2/constants.py new file mode 100644 index 000000000..cab203cc7 --- /dev/null +++ b/pyload/lib/jinja2/constants.py @@ -0,0 +1,32 @@ +# -*- coding: utf-8 -*- +""" + jinja.constants + ~~~~~~~~~~~~~~~ + + Various constants. + + :copyright: (c) 2010 by the Jinja Team. + :license: BSD, see LICENSE for more details. +""" + + +#: list of lorem ipsum words used by the lipsum() helper function +LOREM_IPSUM_WORDS = u'''\ +a ac accumsan ad adipiscing aenean aliquam aliquet amet ante aptent arcu at +auctor augue bibendum blandit class commodo condimentum congue consectetuer +consequat conubia convallis cras cubilia cum curabitur curae cursus dapibus +diam dictum dictumst dignissim dis dolor donec dui duis egestas eget eleifend +elementum elit enim erat eros est et etiam eu euismod facilisi facilisis fames +faucibus felis fermentum feugiat fringilla fusce gravida habitant habitasse hac +hendrerit hymenaeos iaculis id imperdiet in inceptos integer interdum ipsum +justo lacinia lacus laoreet lectus leo libero ligula litora lobortis lorem +luctus maecenas magna magnis malesuada massa mattis mauris metus mi molestie +mollis montes morbi mus nam nascetur natoque nec neque netus nibh nisi nisl non +nonummy nostra nulla nullam nunc odio orci ornare parturient pede pellentesque +penatibus per pharetra phasellus placerat platea porta porttitor posuere +potenti praesent pretium primis proin pulvinar purus quam quis quisque rhoncus +ridiculus risus rutrum sagittis sapien scelerisque sed sem semper senectus sit +sociis sociosqu sodales sollicitudin suscipit suspendisse taciti tellus tempor +tempus tincidunt torquent tortor tristique turpis ullamcorper ultrices +ultricies urna ut varius vehicula vel velit venenatis vestibulum vitae vivamus +viverra volutpat vulputate''' diff --git a/pyload/lib/jinja2/debug.py b/pyload/lib/jinja2/debug.py new file mode 100644 index 000000000..815cc18a4 --- /dev/null +++ b/pyload/lib/jinja2/debug.py @@ -0,0 +1,337 @@ +# -*- coding: utf-8 -*- +""" + jinja2.debug + ~~~~~~~~~~~~ + + Implements the debug interface for Jinja. This module does some pretty + ugly stuff with the Python traceback system in order to achieve tracebacks + with correct line numbers, locals and contents. + + :copyright: (c) 2010 by the Jinja Team. + :license: BSD, see LICENSE for more details. +""" +import sys +import traceback +from types import TracebackType +from jinja2.utils import missing, internal_code +from jinja2.exceptions import TemplateSyntaxError +from jinja2._compat import iteritems, reraise, code_type + +# on pypy we can take advantage of transparent proxies +try: + from __pypy__ import tproxy +except ImportError: + tproxy = None + + +# how does the raise helper look like? +try: + exec("raise TypeError, 'foo'") +except SyntaxError: + raise_helper = 'raise __jinja_exception__[1]' +except TypeError: + raise_helper = 'raise __jinja_exception__[0], __jinja_exception__[1]' + + +class TracebackFrameProxy(object): + """Proxies a traceback frame.""" + + def __init__(self, tb): + self.tb = tb + self._tb_next = None + + @property + def tb_next(self): + return self._tb_next + + def set_next(self, next): + if tb_set_next is not None: + try: + tb_set_next(self.tb, next and next.tb or None) + except Exception: + # this function can fail due to all the hackery it does + # on various python implementations. We just catch errors + # down and ignore them if necessary. + pass + self._tb_next = next + + @property + def is_jinja_frame(self): + return '__jinja_template__' in self.tb.tb_frame.f_globals + + def __getattr__(self, name): + return getattr(self.tb, name) + + +def make_frame_proxy(frame): + proxy = TracebackFrameProxy(frame) + if tproxy is None: + return proxy + def operation_handler(operation, *args, **kwargs): + if operation in ('__getattribute__', '__getattr__'): + return getattr(proxy, args[0]) + elif operation == '__setattr__': + proxy.__setattr__(*args, **kwargs) + else: + return getattr(proxy, operation)(*args, **kwargs) + return tproxy(TracebackType, operation_handler) + + +class ProcessedTraceback(object): + """Holds a Jinja preprocessed traceback for printing or reraising.""" + + def __init__(self, exc_type, exc_value, frames): + assert frames, 'no frames for this traceback?' + self.exc_type = exc_type + self.exc_value = exc_value + self.frames = frames + + # newly concatenate the frames (which are proxies) + prev_tb = None + for tb in self.frames: + if prev_tb is not None: + prev_tb.set_next(tb) + prev_tb = tb + prev_tb.set_next(None) + + def render_as_text(self, limit=None): + """Return a string with the traceback.""" + lines = traceback.format_exception(self.exc_type, self.exc_value, + self.frames[0], limit=limit) + return ''.join(lines).rstrip() + + def render_as_html(self, full=False): + """Return a unicode string with the traceback as rendered HTML.""" + from jinja2.debugrenderer import render_traceback + return u'%s\n\n<!--\n%s\n-->' % ( + render_traceback(self, full=full), + self.render_as_text().decode('utf-8', 'replace') + ) + + @property + def is_template_syntax_error(self): + """`True` if this is a template syntax error.""" + return isinstance(self.exc_value, TemplateSyntaxError) + + @property + def exc_info(self): + """Exception info tuple with a proxy around the frame objects.""" + return self.exc_type, self.exc_value, self.frames[0] + + @property + def standard_exc_info(self): + """Standard python exc_info for re-raising""" + tb = self.frames[0] + # the frame will be an actual traceback (or transparent proxy) if + # we are on pypy or a python implementation with support for tproxy + if type(tb) is not TracebackType: + tb = tb.tb + return self.exc_type, self.exc_value, tb + + +def make_traceback(exc_info, source_hint=None): + """Creates a processed traceback object from the exc_info.""" + exc_type, exc_value, tb = exc_info + if isinstance(exc_value, TemplateSyntaxError): + exc_info = translate_syntax_error(exc_value, source_hint) + initial_skip = 0 + else: + initial_skip = 1 + return translate_exception(exc_info, initial_skip) + + +def translate_syntax_error(error, source=None): + """Rewrites a syntax error to please traceback systems.""" + error.source = source + error.translated = True + exc_info = (error.__class__, error, None) + filename = error.filename + if filename is None: + filename = '<unknown>' + return fake_exc_info(exc_info, filename, error.lineno) + + +def translate_exception(exc_info, initial_skip=0): + """If passed an exc_info it will automatically rewrite the exceptions + all the way down to the correct line numbers and frames. + """ + tb = exc_info[2] + frames = [] + + # skip some internal frames if wanted + for x in range(initial_skip): + if tb is not None: + tb = tb.tb_next + initial_tb = tb + + while tb is not None: + # skip frames decorated with @internalcode. These are internal + # calls we can't avoid and that are useless in template debugging + # output. + if tb.tb_frame.f_code in internal_code: + tb = tb.tb_next + continue + + # save a reference to the next frame if we override the current + # one with a faked one. + next = tb.tb_next + + # fake template exceptions + template = tb.tb_frame.f_globals.get('__jinja_template__') + if template is not None: + lineno = template.get_corresponding_lineno(tb.tb_lineno) + tb = fake_exc_info(exc_info[:2] + (tb,), template.filename, + lineno)[2] + + frames.append(make_frame_proxy(tb)) + tb = next + + # if we don't have any exceptions in the frames left, we have to + # reraise it unchanged. + # XXX: can we backup here? when could this happen? + if not frames: + reraise(exc_info[0], exc_info[1], exc_info[2]) + + return ProcessedTraceback(exc_info[0], exc_info[1], frames) + + +def fake_exc_info(exc_info, filename, lineno): + """Helper for `translate_exception`.""" + exc_type, exc_value, tb = exc_info + + # figure the real context out + if tb is not None: + real_locals = tb.tb_frame.f_locals.copy() + ctx = real_locals.get('context') + if ctx: + locals = ctx.get_all() + else: + locals = {} + for name, value in iteritems(real_locals): + if name.startswith('l_') and value is not missing: + locals[name[2:]] = value + + # if there is a local called __jinja_exception__, we get + # rid of it to not break the debug functionality. + locals.pop('__jinja_exception__', None) + else: + locals = {} + + # assamble fake globals we need + globals = { + '__name__': filename, + '__file__': filename, + '__jinja_exception__': exc_info[:2], + + # we don't want to keep the reference to the template around + # to not cause circular dependencies, but we mark it as Jinja + # frame for the ProcessedTraceback + '__jinja_template__': None + } + + # and fake the exception + code = compile('\n' * (lineno - 1) + raise_helper, filename, 'exec') + + # if it's possible, change the name of the code. This won't work + # on some python environments such as google appengine + try: + if tb is None: + location = 'template' + else: + function = tb.tb_frame.f_code.co_name + if function == 'root': + location = 'top-level template code' + elif function.startswith('block_'): + location = 'block "%s"' % function[6:] + else: + location = 'template' + code = code_type(0, code.co_nlocals, code.co_stacksize, + code.co_flags, code.co_code, code.co_consts, + code.co_names, code.co_varnames, filename, + location, code.co_firstlineno, + code.co_lnotab, (), ()) + except: + pass + + # execute the code and catch the new traceback + try: + exec(code, globals, locals) + except: + exc_info = sys.exc_info() + new_tb = exc_info[2].tb_next + + # return without this frame + return exc_info[:2] + (new_tb,) + + +def _init_ugly_crap(): + """This function implements a few ugly things so that we can patch the + traceback objects. The function returned allows resetting `tb_next` on + any python traceback object. Do not attempt to use this on non cpython + interpreters + """ + import ctypes + from types import TracebackType + + # figure out side of _Py_ssize_t + if hasattr(ctypes.pythonapi, 'Py_InitModule4_64'): + _Py_ssize_t = ctypes.c_int64 + else: + _Py_ssize_t = ctypes.c_int + + # regular python + class _PyObject(ctypes.Structure): + pass + _PyObject._fields_ = [ + ('ob_refcnt', _Py_ssize_t), + ('ob_type', ctypes.POINTER(_PyObject)) + ] + + # python with trace + if hasattr(sys, 'getobjects'): + class _PyObject(ctypes.Structure): + pass + _PyObject._fields_ = [ + ('_ob_next', ctypes.POINTER(_PyObject)), + ('_ob_prev', ctypes.POINTER(_PyObject)), + ('ob_refcnt', _Py_ssize_t), + ('ob_type', ctypes.POINTER(_PyObject)) + ] + + class _Traceback(_PyObject): + pass + _Traceback._fields_ = [ + ('tb_next', ctypes.POINTER(_Traceback)), + ('tb_frame', ctypes.POINTER(_PyObject)), + ('tb_lasti', ctypes.c_int), + ('tb_lineno', ctypes.c_int) + ] + + def tb_set_next(tb, next): + """Set the tb_next attribute of a traceback object.""" + if not (isinstance(tb, TracebackType) and + (next is None or isinstance(next, TracebackType))): + raise TypeError('tb_set_next arguments must be traceback objects') + obj = _Traceback.from_address(id(tb)) + if tb.tb_next is not None: + old = _Traceback.from_address(id(tb.tb_next)) + old.ob_refcnt -= 1 + if next is None: + obj.tb_next = ctypes.POINTER(_Traceback)() + else: + next = _Traceback.from_address(id(next)) + next.ob_refcnt += 1 + obj.tb_next = ctypes.pointer(next) + + return tb_set_next + + +# try to get a tb_set_next implementation if we don't have transparent +# proxies. +tb_set_next = None +if tproxy is None: + try: + tb_set_next = _init_ugly_crap() + except: + pass + del _init_ugly_crap diff --git a/pyload/lib/jinja2/defaults.py b/pyload/lib/jinja2/defaults.py new file mode 100644 index 000000000..a27cb80cb --- /dev/null +++ b/pyload/lib/jinja2/defaults.py @@ -0,0 +1,43 @@ +# -*- coding: utf-8 -*- +""" + jinja2.defaults + ~~~~~~~~~~~~~~~ + + Jinja default filters and tags. + + :copyright: (c) 2010 by the Jinja Team. + :license: BSD, see LICENSE for more details. +""" +from jinja2._compat import range_type +from jinja2.utils import generate_lorem_ipsum, Cycler, Joiner + + +# defaults for the parser / lexer +BLOCK_START_STRING = '{%' +BLOCK_END_STRING = '%}' +VARIABLE_START_STRING = '{{' +VARIABLE_END_STRING = '}}' +COMMENT_START_STRING = '{#' +COMMENT_END_STRING = '#}' +LINE_STATEMENT_PREFIX = None +LINE_COMMENT_PREFIX = None +TRIM_BLOCKS = False +LSTRIP_BLOCKS = False +NEWLINE_SEQUENCE = '\n' +KEEP_TRAILING_NEWLINE = False + + +# default filters, tests and namespace +from jinja2.filters import FILTERS as DEFAULT_FILTERS +from jinja2.tests import TESTS as DEFAULT_TESTS +DEFAULT_NAMESPACE = { + 'range': range_type, + 'dict': lambda **kw: kw, + 'lipsum': generate_lorem_ipsum, + 'cycler': Cycler, + 'joiner': Joiner +} + + +# export all constants +__all__ = tuple(x for x in locals().keys() if x.isupper()) diff --git a/pyload/lib/jinja2/environment.py b/pyload/lib/jinja2/environment.py new file mode 100644 index 000000000..45fabada2 --- /dev/null +++ b/pyload/lib/jinja2/environment.py @@ -0,0 +1,1191 @@ +# -*- coding: utf-8 -*- +""" + jinja2.environment + ~~~~~~~~~~~~~~~~~~ + + Provides a class that holds runtime and parsing time options. + + :copyright: (c) 2010 by the Jinja Team. + :license: BSD, see LICENSE for more details. +""" +import os +import sys +from jinja2 import nodes +from jinja2.defaults import BLOCK_START_STRING, \ + BLOCK_END_STRING, VARIABLE_START_STRING, VARIABLE_END_STRING, \ + COMMENT_START_STRING, COMMENT_END_STRING, LINE_STATEMENT_PREFIX, \ + LINE_COMMENT_PREFIX, TRIM_BLOCKS, NEWLINE_SEQUENCE, \ + DEFAULT_FILTERS, DEFAULT_TESTS, DEFAULT_NAMESPACE, \ + KEEP_TRAILING_NEWLINE, LSTRIP_BLOCKS +from jinja2.lexer import get_lexer, TokenStream +from jinja2.parser import Parser +from jinja2.nodes import EvalContext +from jinja2.optimizer import optimize +from jinja2.compiler import generate +from jinja2.runtime import Undefined, new_context +from jinja2.exceptions import TemplateSyntaxError, TemplateNotFound, \ + TemplatesNotFound, TemplateRuntimeError +from jinja2.utils import import_string, LRUCache, Markup, missing, \ + concat, consume, internalcode +from jinja2._compat import imap, ifilter, string_types, iteritems, \ + text_type, reraise, implements_iterator, implements_to_string, \ + get_next, encode_filename, PY2, PYPY +from functools import reduce + + +# for direct template usage we have up to ten living environments +_spontaneous_environments = LRUCache(10) + +# the function to create jinja traceback objects. This is dynamically +# imported on the first exception in the exception handler. +_make_traceback = None + + +def get_spontaneous_environment(*args): + """Return a new spontaneous environment. A spontaneous environment is an + unnamed and unaccessible (in theory) environment that is used for + templates generated from a string and not from the file system. + """ + try: + env = _spontaneous_environments.get(args) + except TypeError: + return Environment(*args) + if env is not None: + return env + _spontaneous_environments[args] = env = Environment(*args) + env.shared = True + return env + + +def create_cache(size): + """Return the cache class for the given size.""" + if size == 0: + return None + if size < 0: + return {} + return LRUCache(size) + + +def copy_cache(cache): + """Create an empty copy of the given cache.""" + if cache is None: + return None + elif type(cache) is dict: + return {} + return LRUCache(cache.capacity) + + +def load_extensions(environment, extensions): + """Load the extensions from the list and bind it to the environment. + Returns a dict of instantiated environments. + """ + result = {} + for extension in extensions: + if isinstance(extension, string_types): + extension = import_string(extension) + result[extension.identifier] = extension(environment) + return result + + +def _environment_sanity_check(environment): + """Perform a sanity check on the environment.""" + assert issubclass(environment.undefined, Undefined), 'undefined must ' \ + 'be a subclass of undefined because filters depend on it.' + assert environment.block_start_string != \ + environment.variable_start_string != \ + environment.comment_start_string, 'block, variable and comment ' \ + 'start strings must be different' + assert environment.newline_sequence in ('\r', '\r\n', '\n'), \ + 'newline_sequence set to unknown line ending string.' + return environment + + +class Environment(object): + r"""The core component of Jinja is the `Environment`. It contains + important shared variables like configuration, filters, tests, + globals and others. Instances of this class may be modified if + they are not shared and if no template was loaded so far. + Modifications on environments after the first template was loaded + will lead to surprising effects and undefined behavior. + + Here the possible initialization parameters: + + `block_start_string` + The string marking the begin of a block. Defaults to ``'{%'``. + + `block_end_string` + The string marking the end of a block. Defaults to ``'%}'``. + + `variable_start_string` + The string marking the begin of a print statement. + Defaults to ``'{{'``. + + `variable_end_string` + The string marking the end of a print statement. Defaults to + ``'}}'``. + + `comment_start_string` + The string marking the begin of a comment. Defaults to ``'{#'``. + + `comment_end_string` + The string marking the end of a comment. Defaults to ``'#}'``. + + `line_statement_prefix` + If given and a string, this will be used as prefix for line based + statements. See also :ref:`line-statements`. + + `line_comment_prefix` + If given and a string, this will be used as prefix for line based + based comments. See also :ref:`line-statements`. + + .. versionadded:: 2.2 + + `trim_blocks` + If this is set to ``True`` the first newline after a block is + removed (block, not variable tag!). Defaults to `False`. + + `lstrip_blocks` + If this is set to ``True`` leading spaces and tabs are stripped + from the start of a line to a block. Defaults to `False`. + + `newline_sequence` + The sequence that starts a newline. Must be one of ``'\r'``, + ``'\n'`` or ``'\r\n'``. The default is ``'\n'`` which is a + useful default for Linux and OS X systems as well as web + applications. + + `keep_trailing_newline` + Preserve the trailing newline when rendering templates. + The default is ``False``, which causes a single newline, + if present, to be stripped from the end of the template. + + .. versionadded:: 2.7 + + `extensions` + List of Jinja extensions to use. This can either be import paths + as strings or extension classes. For more information have a + look at :ref:`the extensions documentation <jinja-extensions>`. + + `optimized` + should the optimizer be enabled? Default is `True`. + + `undefined` + :class:`Undefined` or a subclass of it that is used to represent + undefined values in the template. + + `finalize` + A callable that can be used to process the result of a variable + expression before it is output. For example one can convert + `None` implicitly into an empty string here. + + `autoescape` + If set to true the XML/HTML autoescaping feature is enabled by + default. For more details about auto escaping see + :class:`~jinja2.utils.Markup`. As of Jinja 2.4 this can also + be a callable that is passed the template name and has to + return `True` or `False` depending on autoescape should be + enabled by default. + + .. versionchanged:: 2.4 + `autoescape` can now be a function + + `loader` + The template loader for this environment. + + `cache_size` + The size of the cache. Per default this is ``50`` which means + that if more than 50 templates are loaded the loader will clean + out the least recently used template. If the cache size is set to + ``0`` templates are recompiled all the time, if the cache size is + ``-1`` the cache will not be cleaned. + + `auto_reload` + Some loaders load templates from locations where the template + sources may change (ie: file system or database). If + `auto_reload` is set to `True` (default) every time a template is + requested the loader checks if the source changed and if yes, it + will reload the template. For higher performance it's possible to + disable that. + + `bytecode_cache` + If set to a bytecode cache object, this object will provide a + cache for the internal Jinja bytecode so that templates don't + have to be parsed if they were not changed. + + See :ref:`bytecode-cache` for more information. + """ + + #: if this environment is sandboxed. Modifying this variable won't make + #: the environment sandboxed though. For a real sandboxed environment + #: have a look at jinja2.sandbox. This flag alone controls the code + #: generation by the compiler. + sandboxed = False + + #: True if the environment is just an overlay + overlayed = False + + #: the environment this environment is linked to if it is an overlay + linked_to = None + + #: shared environments have this set to `True`. A shared environment + #: must not be modified + shared = False + + #: these are currently EXPERIMENTAL undocumented features. + exception_handler = None + exception_formatter = None + + def __init__(self, + block_start_string=BLOCK_START_STRING, + block_end_string=BLOCK_END_STRING, + variable_start_string=VARIABLE_START_STRING, + variable_end_string=VARIABLE_END_STRING, + comment_start_string=COMMENT_START_STRING, + comment_end_string=COMMENT_END_STRING, + line_statement_prefix=LINE_STATEMENT_PREFIX, + line_comment_prefix=LINE_COMMENT_PREFIX, + trim_blocks=TRIM_BLOCKS, + lstrip_blocks=LSTRIP_BLOCKS, + newline_sequence=NEWLINE_SEQUENCE, + keep_trailing_newline=KEEP_TRAILING_NEWLINE, + extensions=(), + optimized=True, + undefined=Undefined, + finalize=None, + autoescape=False, + loader=None, + cache_size=50, + auto_reload=True, + bytecode_cache=None): + # !!Important notice!! + # The constructor accepts quite a few arguments that should be + # passed by keyword rather than position. However it's important to + # not change the order of arguments because it's used at least + # internally in those cases: + # - spontaneous environments (i18n extension and Template) + # - unittests + # If parameter changes are required only add parameters at the end + # and don't change the arguments (or the defaults!) of the arguments + # existing already. + + # lexer / parser information + self.block_start_string = block_start_string + self.block_end_string = block_end_string + self.variable_start_string = variable_start_string + self.variable_end_string = variable_end_string + self.comment_start_string = comment_start_string + self.comment_end_string = comment_end_string + self.line_statement_prefix = line_statement_prefix + self.line_comment_prefix = line_comment_prefix + self.trim_blocks = trim_blocks + self.lstrip_blocks = lstrip_blocks + self.newline_sequence = newline_sequence + self.keep_trailing_newline = keep_trailing_newline + + # runtime information + self.undefined = undefined + self.optimized = optimized + self.finalize = finalize + self.autoescape = autoescape + + # defaults + self.filters = DEFAULT_FILTERS.copy() + self.tests = DEFAULT_TESTS.copy() + self.globals = DEFAULT_NAMESPACE.copy() + + # set the loader provided + self.loader = loader + self.cache = create_cache(cache_size) + self.bytecode_cache = bytecode_cache + self.auto_reload = auto_reload + + # load extensions + self.extensions = load_extensions(self, extensions) + + _environment_sanity_check(self) + + def add_extension(self, extension): + """Adds an extension after the environment was created. + + .. versionadded:: 2.5 + """ + self.extensions.update(load_extensions(self, [extension])) + + def extend(self, **attributes): + """Add the items to the instance of the environment if they do not exist + yet. This is used by :ref:`extensions <writing-extensions>` to register + callbacks and configuration values without breaking inheritance. + """ + for key, value in iteritems(attributes): + if not hasattr(self, key): + setattr(self, key, value) + + def overlay(self, block_start_string=missing, block_end_string=missing, + variable_start_string=missing, variable_end_string=missing, + comment_start_string=missing, comment_end_string=missing, + line_statement_prefix=missing, line_comment_prefix=missing, + trim_blocks=missing, lstrip_blocks=missing, + extensions=missing, optimized=missing, + undefined=missing, finalize=missing, autoescape=missing, + loader=missing, cache_size=missing, auto_reload=missing, + bytecode_cache=missing): + """Create a new overlay environment that shares all the data with the + current environment except of cache and the overridden attributes. + Extensions cannot be removed for an overlayed environment. An overlayed + environment automatically gets all the extensions of the environment it + is linked to plus optional extra extensions. + + Creating overlays should happen after the initial environment was set + up completely. Not all attributes are truly linked, some are just + copied over so modifications on the original environment may not shine + through. + """ + args = dict(locals()) + del args['self'], args['cache_size'], args['extensions'] + + rv = object.__new__(self.__class__) + rv.__dict__.update(self.__dict__) + rv.overlayed = True + rv.linked_to = self + + for key, value in iteritems(args): + if value is not missing: + setattr(rv, key, value) + + if cache_size is not missing: + rv.cache = create_cache(cache_size) + else: + rv.cache = copy_cache(self.cache) + + rv.extensions = {} + for key, value in iteritems(self.extensions): + rv.extensions[key] = value.bind(rv) + if extensions is not missing: + rv.extensions.update(load_extensions(rv, extensions)) + + return _environment_sanity_check(rv) + + lexer = property(get_lexer, doc="The lexer for this environment.") + + def iter_extensions(self): + """Iterates over the extensions by priority.""" + return iter(sorted(self.extensions.values(), + key=lambda x: x.priority)) + + def getitem(self, obj, argument): + """Get an item or attribute of an object but prefer the item.""" + try: + return obj[argument] + except (TypeError, LookupError): + if isinstance(argument, string_types): + try: + attr = str(argument) + except Exception: + pass + else: + try: + return getattr(obj, attr) + except AttributeError: + pass + return self.undefined(obj=obj, name=argument) + + def getattr(self, obj, attribute): + """Get an item or attribute of an object but prefer the attribute. + Unlike :meth:`getitem` the attribute *must* be a bytestring. + """ + try: + return getattr(obj, attribute) + except AttributeError: + pass + try: + return obj[attribute] + except (TypeError, LookupError, AttributeError): + return self.undefined(obj=obj, name=attribute) + + def call_filter(self, name, value, args=None, kwargs=None, + context=None, eval_ctx=None): + """Invokes a filter on a value the same way the compiler does it. + + .. versionadded:: 2.7 + """ + func = self.filters.get(name) + if func is None: + raise TemplateRuntimeError('no filter named %r' % name) + args = [value] + list(args or ()) + if getattr(func, 'contextfilter', False): + if context is None: + raise TemplateRuntimeError('Attempted to invoke context ' + 'filter without context') + args.insert(0, context) + elif getattr(func, 'evalcontextfilter', False): + if eval_ctx is None: + if context is not None: + eval_ctx = context.eval_ctx + else: + eval_ctx = EvalContext(self) + args.insert(0, eval_ctx) + elif getattr(func, 'environmentfilter', False): + args.insert(0, self) + return func(*args, **(kwargs or {})) + + def call_test(self, name, value, args=None, kwargs=None): + """Invokes a test on a value the same way the compiler does it. + + .. versionadded:: 2.7 + """ + func = self.tests.get(name) + if func is None: + raise TemplateRuntimeError('no test named %r' % name) + return func(value, *(args or ()), **(kwargs or {})) + + @internalcode + def parse(self, source, name=None, filename=None): + """Parse the sourcecode and return the abstract syntax tree. This + tree of nodes is used by the compiler to convert the template into + executable source- or bytecode. This is useful for debugging or to + extract information from templates. + + If you are :ref:`developing Jinja2 extensions <writing-extensions>` + this gives you a good overview of the node tree generated. + """ + try: + return self._parse(source, name, filename) + except TemplateSyntaxError: + exc_info = sys.exc_info() + self.handle_exception(exc_info, source_hint=source) + + def _parse(self, source, name, filename): + """Internal parsing function used by `parse` and `compile`.""" + return Parser(self, source, name, encode_filename(filename)).parse() + + def lex(self, source, name=None, filename=None): + """Lex the given sourcecode and return a generator that yields + tokens as tuples in the form ``(lineno, token_type, value)``. + This can be useful for :ref:`extension development <writing-extensions>` + and debugging templates. + + This does not perform preprocessing. If you want the preprocessing + of the extensions to be applied you have to filter source through + the :meth:`preprocess` method. + """ + source = text_type(source) + try: + return self.lexer.tokeniter(source, name, filename) + except TemplateSyntaxError: + exc_info = sys.exc_info() + self.handle_exception(exc_info, source_hint=source) + + def preprocess(self, source, name=None, filename=None): + """Preprocesses the source with all extensions. This is automatically + called for all parsing and compiling methods but *not* for :meth:`lex` + because there you usually only want the actual source tokenized. + """ + return reduce(lambda s, e: e.preprocess(s, name, filename), + self.iter_extensions(), text_type(source)) + + def _tokenize(self, source, name, filename=None, state=None): + """Called by the parser to do the preprocessing and filtering + for all the extensions. Returns a :class:`~jinja2.lexer.TokenStream`. + """ + source = self.preprocess(source, name, filename) + stream = self.lexer.tokenize(source, name, filename, state) + for ext in self.iter_extensions(): + stream = ext.filter_stream(stream) + if not isinstance(stream, TokenStream): + stream = TokenStream(stream, name, filename) + return stream + + def _generate(self, source, name, filename, defer_init=False): + """Internal hook that can be overridden to hook a different generate + method in. + + .. versionadded:: 2.5 + """ + return generate(source, self, name, filename, defer_init=defer_init) + + def _compile(self, source, filename): + """Internal hook that can be overridden to hook a different compile + method in. + + .. versionadded:: 2.5 + """ + return compile(source, filename, 'exec') + + @internalcode + def compile(self, source, name=None, filename=None, raw=False, + defer_init=False): + """Compile a node or template source code. The `name` parameter is + the load name of the template after it was joined using + :meth:`join_path` if necessary, not the filename on the file system. + the `filename` parameter is the estimated filename of the template on + the file system. If the template came from a database or memory this + can be omitted. + + The return value of this method is a python code object. If the `raw` + parameter is `True` the return value will be a string with python + code equivalent to the bytecode returned otherwise. This method is + mainly used internally. + + `defer_init` is use internally to aid the module code generator. This + causes the generated code to be able to import without the global + environment variable to be set. + + .. versionadded:: 2.4 + `defer_init` parameter added. + """ + source_hint = None + try: + if isinstance(source, string_types): + source_hint = source + source = self._parse(source, name, filename) + if self.optimized: + source = optimize(source, self) + source = self._generate(source, name, filename, + defer_init=defer_init) + if raw: + return source + if filename is None: + filename = '<template>' + else: + filename = encode_filename(filename) + return self._compile(source, filename) + except TemplateSyntaxError: + exc_info = sys.exc_info() + self.handle_exception(exc_info, source_hint=source) + + def compile_expression(self, source, undefined_to_none=True): + """A handy helper method that returns a callable that accepts keyword + arguments that appear as variables in the expression. If called it + returns the result of the expression. + + This is useful if applications want to use the same rules as Jinja + in template "configuration files" or similar situations. + + Example usage: + + >>> env = Environment() + >>> expr = env.compile_expression('foo == 42') + >>> expr(foo=23) + False + >>> expr(foo=42) + True + + Per default the return value is converted to `None` if the + expression returns an undefined value. This can be changed + by setting `undefined_to_none` to `False`. + + >>> env.compile_expression('var')() is None + True + >>> env.compile_expression('var', undefined_to_none=False)() + Undefined + + .. versionadded:: 2.1 + """ + parser = Parser(self, source, state='variable') + exc_info = None + try: + expr = parser.parse_expression() + if not parser.stream.eos: + raise TemplateSyntaxError('chunk after expression', + parser.stream.current.lineno, + None, None) + expr.set_environment(self) + except TemplateSyntaxError: + exc_info = sys.exc_info() + if exc_info is not None: + self.handle_exception(exc_info, source_hint=source) + body = [nodes.Assign(nodes.Name('result', 'store'), expr, lineno=1)] + template = self.from_string(nodes.Template(body, lineno=1)) + return TemplateExpression(template, undefined_to_none) + + def compile_templates(self, target, extensions=None, filter_func=None, + zip='deflated', log_function=None, + ignore_errors=True, py_compile=False): + """Finds all the templates the loader can find, compiles them + and stores them in `target`. If `zip` is `None`, instead of in a + zipfile, the templates will be will be stored in a directory. + By default a deflate zip algorithm is used, to switch to + the stored algorithm, `zip` can be set to ``'stored'``. + + `extensions` and `filter_func` are passed to :meth:`list_templates`. + Each template returned will be compiled to the target folder or + zipfile. + + By default template compilation errors are ignored. In case a + log function is provided, errors are logged. If you want template + syntax errors to abort the compilation you can set `ignore_errors` + to `False` and you will get an exception on syntax errors. + + If `py_compile` is set to `True` .pyc files will be written to the + target instead of standard .py files. This flag does not do anything + on pypy and Python 3 where pyc files are not picked up by itself and + don't give much benefit. + + .. versionadded:: 2.4 + """ + from jinja2.loaders import ModuleLoader + + if log_function is None: + log_function = lambda x: None + + if py_compile: + if not PY2 or PYPY: + from warnings import warn + warn(Warning('py_compile has no effect on pypy or Python 3')) + py_compile = False + else: + import imp, marshal + py_header = imp.get_magic() + \ + u'\xff\xff\xff\xff'.encode('iso-8859-15') + + # Python 3.3 added a source filesize to the header + if sys.version_info >= (3, 3): + py_header += u'\x00\x00\x00\x00'.encode('iso-8859-15') + + def write_file(filename, data, mode): + if zip: + info = ZipInfo(filename) + info.external_attr = 0o755 << 16 + zip_file.writestr(info, data) + else: + f = open(os.path.join(target, filename), mode) + try: + f.write(data) + finally: + f.close() + + if zip is not None: + from zipfile import ZipFile, ZipInfo, ZIP_DEFLATED, ZIP_STORED + zip_file = ZipFile(target, 'w', dict(deflated=ZIP_DEFLATED, + stored=ZIP_STORED)[zip]) + log_function('Compiling into Zip archive "%s"' % target) + else: + if not os.path.isdir(target): + os.makedirs(target) + log_function('Compiling into folder "%s"' % target) + + try: + for name in self.list_templates(extensions, filter_func): + source, filename, _ = self.loader.get_source(self, name) + try: + code = self.compile(source, name, filename, True, True) + except TemplateSyntaxError as e: + if not ignore_errors: + raise + log_function('Could not compile "%s": %s' % (name, e)) + continue + + filename = ModuleLoader.get_module_filename(name) + + if py_compile: + c = self._compile(code, encode_filename(filename)) + write_file(filename + 'c', py_header + + marshal.dumps(c), 'wb') + log_function('Byte-compiled "%s" as %s' % + (name, filename + 'c')) + else: + write_file(filename, code, 'w') + log_function('Compiled "%s" as %s' % (name, filename)) + finally: + if zip: + zip_file.close() + + log_function('Finished compiling templates') + + def list_templates(self, extensions=None, filter_func=None): + """Returns a list of templates for this environment. This requires + that the loader supports the loader's + :meth:`~BaseLoader.list_templates` method. + + If there are other files in the template folder besides the + actual templates, the returned list can be filtered. There are two + ways: either `extensions` is set to a list of file extensions for + templates, or a `filter_func` can be provided which is a callable that + is passed a template name and should return `True` if it should end up + in the result list. + + If the loader does not support that, a :exc:`TypeError` is raised. + + .. versionadded:: 2.4 + """ + x = self.loader.list_templates() + if extensions is not None: + if filter_func is not None: + raise TypeError('either extensions or filter_func ' + 'can be passed, but not both') + filter_func = lambda x: '.' in x and \ + x.rsplit('.', 1)[1] in extensions + if filter_func is not None: + x = ifilter(filter_func, x) + return x + + def handle_exception(self, exc_info=None, rendered=False, source_hint=None): + """Exception handling helper. This is used internally to either raise + rewritten exceptions or return a rendered traceback for the template. + """ + global _make_traceback + if exc_info is None: + exc_info = sys.exc_info() + + # the debugging module is imported when it's used for the first time. + # we're doing a lot of stuff there and for applications that do not + # get any exceptions in template rendering there is no need to load + # all of that. + if _make_traceback is None: + from jinja2.debug import make_traceback as _make_traceback + traceback = _make_traceback(exc_info, source_hint) + if rendered and self.exception_formatter is not None: + return self.exception_formatter(traceback) + if self.exception_handler is not None: + self.exception_handler(traceback) + exc_type, exc_value, tb = traceback.standard_exc_info + reraise(exc_type, exc_value, tb) + + def join_path(self, template, parent): + """Join a template with the parent. By default all the lookups are + relative to the loader root so this method returns the `template` + parameter unchanged, but if the paths should be relative to the + parent template, this function can be used to calculate the real + template name. + + Subclasses may override this method and implement template path + joining here. + """ + return template + + @internalcode + def _load_template(self, name, globals): + if self.loader is None: + raise TypeError('no loader for this environment specified') + if self.cache is not None: + template = self.cache.get(name) + if template is not None and (not self.auto_reload or \ + template.is_up_to_date): + return template + template = self.loader.load(self, name, globals) + if self.cache is not None: + self.cache[name] = template + return template + + @internalcode + def get_template(self, name, parent=None, globals=None): + """Load a template from the loader. If a loader is configured this + method ask the loader for the template and returns a :class:`Template`. + If the `parent` parameter is not `None`, :meth:`join_path` is called + to get the real template name before loading. + + The `globals` parameter can be used to provide template wide globals. + These variables are available in the context at render time. + + If the template does not exist a :exc:`TemplateNotFound` exception is + raised. + + .. versionchanged:: 2.4 + If `name` is a :class:`Template` object it is returned from the + function unchanged. + """ + if isinstance(name, Template): + return name + if parent is not None: + name = self.join_path(name, parent) + return self._load_template(name, self.make_globals(globals)) + + @internalcode + def select_template(self, names, parent=None, globals=None): + """Works like :meth:`get_template` but tries a number of templates + before it fails. If it cannot find any of the templates, it will + raise a :exc:`TemplatesNotFound` exception. + + .. versionadded:: 2.3 + + .. versionchanged:: 2.4 + If `names` contains a :class:`Template` object it is returned + from the function unchanged. + """ + if not names: + raise TemplatesNotFound(message=u'Tried to select from an empty list ' + u'of templates.') + globals = self.make_globals(globals) + for name in names: + if isinstance(name, Template): + return name + if parent is not None: + name = self.join_path(name, parent) + try: + return self._load_template(name, globals) + except TemplateNotFound: + pass + raise TemplatesNotFound(names) + + @internalcode + def get_or_select_template(self, template_name_or_list, + parent=None, globals=None): + """Does a typecheck and dispatches to :meth:`select_template` + if an iterable of template names is given, otherwise to + :meth:`get_template`. + + .. versionadded:: 2.3 + """ + if isinstance(template_name_or_list, string_types): + return self.get_template(template_name_or_list, parent, globals) + elif isinstance(template_name_or_list, Template): + return template_name_or_list + return self.select_template(template_name_or_list, parent, globals) + + def from_string(self, source, globals=None, template_class=None): + """Load a template from a string. This parses the source given and + returns a :class:`Template` object. + """ + globals = self.make_globals(globals) + cls = template_class or self.template_class + return cls.from_code(self, self.compile(source), globals, None) + + def make_globals(self, d): + """Return a dict for the globals.""" + if not d: + return self.globals + return dict(self.globals, **d) + + +class Template(object): + """The central template object. This class represents a compiled template + and is used to evaluate it. + + Normally the template object is generated from an :class:`Environment` but + it also has a constructor that makes it possible to create a template + instance directly using the constructor. It takes the same arguments as + the environment constructor but it's not possible to specify a loader. + + Every template object has a few methods and members that are guaranteed + to exist. However it's important that a template object should be + considered immutable. Modifications on the object are not supported. + + Template objects created from the constructor rather than an environment + do have an `environment` attribute that points to a temporary environment + that is probably shared with other templates created with the constructor + and compatible settings. + + >>> template = Template('Hello {{ name }}!') + >>> template.render(name='John Doe') + u'Hello John Doe!' + + >>> stream = template.stream(name='John Doe') + >>> stream.next() + u'Hello John Doe!' + >>> stream.next() + Traceback (most recent call last): + ... + StopIteration + """ + + def __new__(cls, source, + block_start_string=BLOCK_START_STRING, + block_end_string=BLOCK_END_STRING, + variable_start_string=VARIABLE_START_STRING, + variable_end_string=VARIABLE_END_STRING, + comment_start_string=COMMENT_START_STRING, + comment_end_string=COMMENT_END_STRING, + line_statement_prefix=LINE_STATEMENT_PREFIX, + line_comment_prefix=LINE_COMMENT_PREFIX, + trim_blocks=TRIM_BLOCKS, + lstrip_blocks=LSTRIP_BLOCKS, + newline_sequence=NEWLINE_SEQUENCE, + keep_trailing_newline=KEEP_TRAILING_NEWLINE, + extensions=(), + optimized=True, + undefined=Undefined, + finalize=None, + autoescape=False): + env = get_spontaneous_environment( + block_start_string, block_end_string, variable_start_string, + variable_end_string, comment_start_string, comment_end_string, + line_statement_prefix, line_comment_prefix, trim_blocks, + lstrip_blocks, newline_sequence, keep_trailing_newline, + frozenset(extensions), optimized, undefined, finalize, autoescape, + None, 0, False, None) + return env.from_string(source, template_class=cls) + + @classmethod + def from_code(cls, environment, code, globals, uptodate=None): + """Creates a template object from compiled code and the globals. This + is used by the loaders and environment to create a template object. + """ + namespace = { + 'environment': environment, + '__file__': code.co_filename + } + exec(code, namespace) + rv = cls._from_namespace(environment, namespace, globals) + rv._uptodate = uptodate + return rv + + @classmethod + def from_module_dict(cls, environment, module_dict, globals): + """Creates a template object from a module. This is used by the + module loader to create a template object. + + .. versionadded:: 2.4 + """ + return cls._from_namespace(environment, module_dict, globals) + + @classmethod + def _from_namespace(cls, environment, namespace, globals): + t = object.__new__(cls) + t.environment = environment + t.globals = globals + t.name = namespace['name'] + t.filename = namespace['__file__'] + t.blocks = namespace['blocks'] + + # render function and module + t.root_render_func = namespace['root'] + t._module = None + + # debug and loader helpers + t._debug_info = namespace['debug_info'] + t._uptodate = None + + # store the reference + namespace['environment'] = environment + namespace['__jinja_template__'] = t + + return t + + def render(self, *args, **kwargs): + """This method accepts the same arguments as the `dict` constructor: + A dict, a dict subclass or some keyword arguments. If no arguments + are given the context will be empty. These two calls do the same:: + + template.render(knights='that say nih') + template.render({'knights': 'that say nih'}) + + This will return the rendered template as unicode string. + """ + vars = dict(*args, **kwargs) + try: + return concat(self.root_render_func(self.new_context(vars))) + except Exception: + exc_info = sys.exc_info() + return self.environment.handle_exception(exc_info, True) + + def stream(self, *args, **kwargs): + """Works exactly like :meth:`generate` but returns a + :class:`TemplateStream`. + """ + return TemplateStream(self.generate(*args, **kwargs)) + + def generate(self, *args, **kwargs): + """For very large templates it can be useful to not render the whole + template at once but evaluate each statement after another and yield + piece for piece. This method basically does exactly that and returns + a generator that yields one item after another as unicode strings. + + It accepts the same arguments as :meth:`render`. + """ + vars = dict(*args, **kwargs) + try: + for event in self.root_render_func(self.new_context(vars)): + yield event + except Exception: + exc_info = sys.exc_info() + else: + return + yield self.environment.handle_exception(exc_info, True) + + def new_context(self, vars=None, shared=False, locals=None): + """Create a new :class:`Context` for this template. The vars + provided will be passed to the template. Per default the globals + are added to the context. If shared is set to `True` the data + is passed as it to the context without adding the globals. + + `locals` can be a dict of local variables for internal usage. + """ + return new_context(self.environment, self.name, self.blocks, + vars, shared, self.globals, locals) + + def make_module(self, vars=None, shared=False, locals=None): + """This method works like the :attr:`module` attribute when called + without arguments but it will evaluate the template on every call + rather than caching it. It's also possible to provide + a dict which is then used as context. The arguments are the same + as for the :meth:`new_context` method. + """ + return TemplateModule(self, self.new_context(vars, shared, locals)) + + @property + def module(self): + """The template as module. This is used for imports in the + template runtime but is also useful if one wants to access + exported template variables from the Python layer: + + >>> t = Template('{% macro foo() %}42{% endmacro %}23') + >>> unicode(t.module) + u'23' + >>> t.module.foo() + u'42' + """ + if self._module is not None: + return self._module + self._module = rv = self.make_module() + return rv + + def get_corresponding_lineno(self, lineno): + """Return the source line number of a line number in the + generated bytecode as they are not in sync. + """ + for template_line, code_line in reversed(self.debug_info): + if code_line <= lineno: + return template_line + return 1 + + @property + def is_up_to_date(self): + """If this variable is `False` there is a newer version available.""" + if self._uptodate is None: + return True + return self._uptodate() + + @property + def debug_info(self): + """The debug info mapping.""" + return [tuple(imap(int, x.split('='))) for x in + self._debug_info.split('&')] + + def __repr__(self): + if self.name is None: + name = 'memory:%x' % id(self) + else: + name = repr(self.name) + return '<%s %s>' % (self.__class__.__name__, name) + + +@implements_to_string +class TemplateModule(object): + """Represents an imported template. All the exported names of the + template are available as attributes on this object. Additionally + converting it into an unicode- or bytestrings renders the contents. + """ + + def __init__(self, template, context): + self._body_stream = list(template.root_render_func(context)) + self.__dict__.update(context.get_exported()) + self.__name__ = template.name + + def __html__(self): + return Markup(concat(self._body_stream)) + + def __str__(self): + return concat(self._body_stream) + + def __repr__(self): + if self.__name__ is None: + name = 'memory:%x' % id(self) + else: + name = repr(self.__name__) + return '<%s %s>' % (self.__class__.__name__, name) + + +class TemplateExpression(object): + """The :meth:`jinja2.Environment.compile_expression` method returns an + instance of this object. It encapsulates the expression-like access + to the template with an expression it wraps. + """ + + def __init__(self, template, undefined_to_none): + self._template = template + self._undefined_to_none = undefined_to_none + + def __call__(self, *args, **kwargs): + context = self._template.new_context(dict(*args, **kwargs)) + consume(self._template.root_render_func(context)) + rv = context.vars['result'] + if self._undefined_to_none and isinstance(rv, Undefined): + rv = None + return rv + + +@implements_iterator +class TemplateStream(object): + """A template stream works pretty much like an ordinary python generator + but it can buffer multiple items to reduce the number of total iterations. + Per default the output is unbuffered which means that for every unbuffered + instruction in the template one unicode string is yielded. + + If buffering is enabled with a buffer size of 5, five items are combined + into a new unicode string. This is mainly useful if you are streaming + big templates to a client via WSGI which flushes after each iteration. + """ + + def __init__(self, gen): + self._gen = gen + self.disable_buffering() + + def dump(self, fp, encoding=None, errors='strict'): + """Dump the complete stream into a file or file-like object. + Per default unicode strings are written, if you want to encode + before writing specify an `encoding`. + + Example usage:: + + Template('Hello {{ name }}!').stream(name='foo').dump('hello.html') + """ + close = False + if isinstance(fp, string_types): + fp = open(fp, encoding is None and 'w' or 'wb') + close = True + try: + if encoding is not None: + iterable = (x.encode(encoding, errors) for x in self) + else: + iterable = self + if hasattr(fp, 'writelines'): + fp.writelines(iterable) + else: + for item in iterable: + fp.write(item) + finally: + if close: + fp.close() + + def disable_buffering(self): + """Disable the output buffering.""" + self._next = get_next(self._gen) + self.buffered = False + + def enable_buffering(self, size=5): + """Enable buffering. Buffer `size` items before yielding them.""" + if size <= 1: + raise ValueError('buffer size too small') + + def generator(next): + buf = [] + c_size = 0 + push = buf.append + + while 1: + try: + while c_size < size: + c = next() + push(c) + if c: + c_size += 1 + except StopIteration: + if not c_size: + return + yield concat(buf) + del buf[:] + c_size = 0 + + self.buffered = True + self._next = get_next(generator(get_next(self._gen))) + + def __iter__(self): + return self + + def __next__(self): + return self._next() + + +# hook in default template class. if anyone reads this comment: ignore that +# it's possible to use custom templates ;-) +Environment.template_class = Template diff --git a/pyload/lib/jinja2/exceptions.py b/pyload/lib/jinja2/exceptions.py new file mode 100644 index 000000000..c9df6dc7c --- /dev/null +++ b/pyload/lib/jinja2/exceptions.py @@ -0,0 +1,146 @@ +# -*- coding: utf-8 -*- +""" + jinja2.exceptions + ~~~~~~~~~~~~~~~~~ + + Jinja exceptions. + + :copyright: (c) 2010 by the Jinja Team. + :license: BSD, see LICENSE for more details. +""" +from jinja2._compat import imap, text_type, PY2, implements_to_string + + +class TemplateError(Exception): + """Baseclass for all template errors.""" + + if PY2: + def __init__(self, message=None): + if message is not None: + message = text_type(message).encode('utf-8') + Exception.__init__(self, message) + + @property + def message(self): + if self.args: + message = self.args[0] + if message is not None: + return message.decode('utf-8', 'replace') + + def __unicode__(self): + return self.message or u'' + else: + def __init__(self, message=None): + Exception.__init__(self, message) + + @property + def message(self): + if self.args: + message = self.args[0] + if message is not None: + return message + + +@implements_to_string +class TemplateNotFound(IOError, LookupError, TemplateError): + """Raised if a template does not exist.""" + + # looks weird, but removes the warning descriptor that just + # bogusly warns us about message being deprecated + message = None + + def __init__(self, name, message=None): + IOError.__init__(self) + if message is None: + message = name + self.message = message + self.name = name + self.templates = [name] + + def __str__(self): + return self.message + + +class TemplatesNotFound(TemplateNotFound): + """Like :class:`TemplateNotFound` but raised if multiple templates + are selected. This is a subclass of :class:`TemplateNotFound` + exception, so just catching the base exception will catch both. + + .. versionadded:: 2.2 + """ + + def __init__(self, names=(), message=None): + if message is None: + message = u'none of the templates given were found: ' + \ + u', '.join(imap(text_type, names)) + TemplateNotFound.__init__(self, names and names[-1] or None, message) + self.templates = list(names) + + +@implements_to_string +class TemplateSyntaxError(TemplateError): + """Raised to tell the user that there is a problem with the template.""" + + def __init__(self, message, lineno, name=None, filename=None): + TemplateError.__init__(self, message) + self.lineno = lineno + self.name = name + self.filename = filename + self.source = None + + # this is set to True if the debug.translate_syntax_error + # function translated the syntax error into a new traceback + self.translated = False + + def __str__(self): + # for translated errors we only return the message + if self.translated: + return self.message + + # otherwise attach some stuff + location = 'line %d' % self.lineno + name = self.filename or self.name + if name: + location = 'File "%s", %s' % (name, location) + lines = [self.message, ' ' + location] + + # if the source is set, add the line to the output + if self.source is not None: + try: + line = self.source.splitlines()[self.lineno - 1] + except IndexError: + line = None + if line: + lines.append(' ' + line.strip()) + + return u'\n'.join(lines) + + +class TemplateAssertionError(TemplateSyntaxError): + """Like a template syntax error, but covers cases where something in the + template caused an error at compile time that wasn't necessarily caused + by a syntax error. However it's a direct subclass of + :exc:`TemplateSyntaxError` and has the same attributes. + """ + + +class TemplateRuntimeError(TemplateError): + """A generic runtime error in the template engine. Under some situations + Jinja may raise this exception. + """ + + +class UndefinedError(TemplateRuntimeError): + """Raised if a template tries to operate on :class:`Undefined`.""" + + +class SecurityError(TemplateRuntimeError): + """Raised if a template tries to do something insecure if the + sandbox is enabled. + """ + + +class FilterArgumentError(TemplateRuntimeError): + """This error is raised if a filter was called with inappropriate + arguments + """ diff --git a/pyload/lib/jinja2/ext.py b/pyload/lib/jinja2/ext.py new file mode 100644 index 000000000..c2df12d55 --- /dev/null +++ b/pyload/lib/jinja2/ext.py @@ -0,0 +1,636 @@ +# -*- coding: utf-8 -*- +""" + jinja2.ext + ~~~~~~~~~~ + + Jinja extensions allow to add custom tags similar to the way django custom + tags work. By default two example extensions exist: an i18n and a cache + extension. + + :copyright: (c) 2010 by the Jinja Team. + :license: BSD. +""" +from jinja2 import nodes +from jinja2.defaults import BLOCK_START_STRING, \ + BLOCK_END_STRING, VARIABLE_START_STRING, VARIABLE_END_STRING, \ + COMMENT_START_STRING, COMMENT_END_STRING, LINE_STATEMENT_PREFIX, \ + LINE_COMMENT_PREFIX, TRIM_BLOCKS, NEWLINE_SEQUENCE, \ + KEEP_TRAILING_NEWLINE, LSTRIP_BLOCKS +from jinja2.environment import Environment +from jinja2.runtime import concat +from jinja2.exceptions import TemplateAssertionError, TemplateSyntaxError +from jinja2.utils import contextfunction, import_string, Markup +from jinja2._compat import next, with_metaclass, string_types, iteritems + + +# the only real useful gettext functions for a Jinja template. Note +# that ugettext must be assigned to gettext as Jinja doesn't support +# non unicode strings. +GETTEXT_FUNCTIONS = ('_', 'gettext', 'ngettext') + + +class ExtensionRegistry(type): + """Gives the extension an unique identifier.""" + + def __new__(cls, name, bases, d): + rv = type.__new__(cls, name, bases, d) + rv.identifier = rv.__module__ + '.' + rv.__name__ + return rv + + +class Extension(with_metaclass(ExtensionRegistry, object)): + """Extensions can be used to add extra functionality to the Jinja template + system at the parser level. Custom extensions are bound to an environment + but may not store environment specific data on `self`. The reason for + this is that an extension can be bound to another environment (for + overlays) by creating a copy and reassigning the `environment` attribute. + + As extensions are created by the environment they cannot accept any + arguments for configuration. One may want to work around that by using + a factory function, but that is not possible as extensions are identified + by their import name. The correct way to configure the extension is + storing the configuration values on the environment. Because this way the + environment ends up acting as central configuration storage the + attributes may clash which is why extensions have to ensure that the names + they choose for configuration are not too generic. ``prefix`` for example + is a terrible name, ``fragment_cache_prefix`` on the other hand is a good + name as includes the name of the extension (fragment cache). + """ + + #: if this extension parses this is the list of tags it's listening to. + tags = set() + + #: the priority of that extension. This is especially useful for + #: extensions that preprocess values. A lower value means higher + #: priority. + #: + #: .. versionadded:: 2.4 + priority = 100 + + def __init__(self, environment): + self.environment = environment + + def bind(self, environment): + """Create a copy of this extension bound to another environment.""" + rv = object.__new__(self.__class__) + rv.__dict__.update(self.__dict__) + rv.environment = environment + return rv + + def preprocess(self, source, name, filename=None): + """This method is called before the actual lexing and can be used to + preprocess the source. The `filename` is optional. The return value + must be the preprocessed source. + """ + return source + + def filter_stream(self, stream): + """It's passed a :class:`~jinja2.lexer.TokenStream` that can be used + to filter tokens returned. This method has to return an iterable of + :class:`~jinja2.lexer.Token`\s, but it doesn't have to return a + :class:`~jinja2.lexer.TokenStream`. + + In the `ext` folder of the Jinja2 source distribution there is a file + called `inlinegettext.py` which implements a filter that utilizes this + method. + """ + return stream + + def parse(self, parser): + """If any of the :attr:`tags` matched this method is called with the + parser as first argument. The token the parser stream is pointing at + is the name token that matched. This method has to return one or a + list of multiple nodes. + """ + raise NotImplementedError() + + def attr(self, name, lineno=None): + """Return an attribute node for the current extension. This is useful + to pass constants on extensions to generated template code. + + :: + + self.attr('_my_attribute', lineno=lineno) + """ + return nodes.ExtensionAttribute(self.identifier, name, lineno=lineno) + + def call_method(self, name, args=None, kwargs=None, dyn_args=None, + dyn_kwargs=None, lineno=None): + """Call a method of the extension. This is a shortcut for + :meth:`attr` + :class:`jinja2.nodes.Call`. + """ + if args is None: + args = [] + if kwargs is None: + kwargs = [] + return nodes.Call(self.attr(name, lineno=lineno), args, kwargs, + dyn_args, dyn_kwargs, lineno=lineno) + + +@contextfunction +def _gettext_alias(__context, *args, **kwargs): + return __context.call(__context.resolve('gettext'), *args, **kwargs) + + +def _make_new_gettext(func): + @contextfunction + def gettext(__context, __string, **variables): + rv = __context.call(func, __string) + if __context.eval_ctx.autoescape: + rv = Markup(rv) + return rv % variables + return gettext + + +def _make_new_ngettext(func): + @contextfunction + def ngettext(__context, __singular, __plural, __num, **variables): + variables.setdefault('num', __num) + rv = __context.call(func, __singular, __plural, __num) + if __context.eval_ctx.autoescape: + rv = Markup(rv) + return rv % variables + return ngettext + + +class InternationalizationExtension(Extension): + """This extension adds gettext support to Jinja2.""" + tags = set(['trans']) + + # TODO: the i18n extension is currently reevaluating values in a few + # situations. Take this example: + # {% trans count=something() %}{{ count }} foo{% pluralize + # %}{{ count }} fooss{% endtrans %} + # something is called twice here. One time for the gettext value and + # the other time for the n-parameter of the ngettext function. + + def __init__(self, environment): + Extension.__init__(self, environment) + environment.globals['_'] = _gettext_alias + environment.extend( + install_gettext_translations=self._install, + install_null_translations=self._install_null, + install_gettext_callables=self._install_callables, + uninstall_gettext_translations=self._uninstall, + extract_translations=self._extract, + newstyle_gettext=False + ) + + def _install(self, translations, newstyle=None): + gettext = getattr(translations, 'ugettext', None) + if gettext is None: + gettext = translations.gettext + ngettext = getattr(translations, 'ungettext', None) + if ngettext is None: + ngettext = translations.ngettext + self._install_callables(gettext, ngettext, newstyle) + + def _install_null(self, newstyle=None): + self._install_callables( + lambda x: x, + lambda s, p, n: (n != 1 and (p,) or (s,))[0], + newstyle + ) + + def _install_callables(self, gettext, ngettext, newstyle=None): + if newstyle is not None: + self.environment.newstyle_gettext = newstyle + if self.environment.newstyle_gettext: + gettext = _make_new_gettext(gettext) + ngettext = _make_new_ngettext(ngettext) + self.environment.globals.update( + gettext=gettext, + ngettext=ngettext + ) + + def _uninstall(self, translations): + for key in 'gettext', 'ngettext': + self.environment.globals.pop(key, None) + + def _extract(self, source, gettext_functions=GETTEXT_FUNCTIONS): + if isinstance(source, string_types): + source = self.environment.parse(source) + return extract_from_ast(source, gettext_functions) + + def parse(self, parser): + """Parse a translatable tag.""" + lineno = next(parser.stream).lineno + num_called_num = False + + # find all the variables referenced. Additionally a variable can be + # defined in the body of the trans block too, but this is checked at + # a later state. + plural_expr = None + plural_expr_assignment = None + variables = {} + while parser.stream.current.type != 'block_end': + if variables: + parser.stream.expect('comma') + + # skip colon for python compatibility + if parser.stream.skip_if('colon'): + break + + name = parser.stream.expect('name') + if name.value in variables: + parser.fail('translatable variable %r defined twice.' % + name.value, name.lineno, + exc=TemplateAssertionError) + + # expressions + if parser.stream.current.type == 'assign': + next(parser.stream) + variables[name.value] = var = parser.parse_expression() + else: + variables[name.value] = var = nodes.Name(name.value, 'load') + + if plural_expr is None: + if isinstance(var, nodes.Call): + plural_expr = nodes.Name('_trans', 'load') + variables[name.value] = plural_expr + plural_expr_assignment = nodes.Assign( + nodes.Name('_trans', 'store'), var) + else: + plural_expr = var + num_called_num = name.value == 'num' + + parser.stream.expect('block_end') + + plural = plural_names = None + have_plural = False + referenced = set() + + # now parse until endtrans or pluralize + singular_names, singular = self._parse_block(parser, True) + if singular_names: + referenced.update(singular_names) + if plural_expr is None: + plural_expr = nodes.Name(singular_names[0], 'load') + num_called_num = singular_names[0] == 'num' + + # if we have a pluralize block, we parse that too + if parser.stream.current.test('name:pluralize'): + have_plural = True + next(parser.stream) + if parser.stream.current.type != 'block_end': + name = parser.stream.expect('name') + if name.value not in variables: + parser.fail('unknown variable %r for pluralization' % + name.value, name.lineno, + exc=TemplateAssertionError) + plural_expr = variables[name.value] + num_called_num = name.value == 'num' + parser.stream.expect('block_end') + plural_names, plural = self._parse_block(parser, False) + next(parser.stream) + referenced.update(plural_names) + else: + next(parser.stream) + + # register free names as simple name expressions + for var in referenced: + if var not in variables: + variables[var] = nodes.Name(var, 'load') + + if not have_plural: + plural_expr = None + elif plural_expr is None: + parser.fail('pluralize without variables', lineno) + + node = self._make_node(singular, plural, variables, plural_expr, + bool(referenced), + num_called_num and have_plural) + node.set_lineno(lineno) + if plural_expr_assignment is not None: + return [plural_expr_assignment, node] + else: + return node + + def _parse_block(self, parser, allow_pluralize): + """Parse until the next block tag with a given name.""" + referenced = [] + buf = [] + while 1: + if parser.stream.current.type == 'data': + buf.append(parser.stream.current.value.replace('%', '%%')) + next(parser.stream) + elif parser.stream.current.type == 'variable_begin': + next(parser.stream) + name = parser.stream.expect('name').value + referenced.append(name) + buf.append('%%(%s)s' % name) + parser.stream.expect('variable_end') + elif parser.stream.current.type == 'block_begin': + next(parser.stream) + if parser.stream.current.test('name:endtrans'): + break + elif parser.stream.current.test('name:pluralize'): + if allow_pluralize: + break + parser.fail('a translatable section can have only one ' + 'pluralize section') + parser.fail('control structures in translatable sections are ' + 'not allowed') + elif parser.stream.eos: + parser.fail('unclosed translation block') + else: + assert False, 'internal parser error' + + return referenced, concat(buf) + + def _make_node(self, singular, plural, variables, plural_expr, + vars_referenced, num_called_num): + """Generates a useful node from the data provided.""" + # no variables referenced? no need to escape for old style + # gettext invocations only if there are vars. + if not vars_referenced and not self.environment.newstyle_gettext: + singular = singular.replace('%%', '%') + if plural: + plural = plural.replace('%%', '%') + + # singular only: + if plural_expr is None: + gettext = nodes.Name('gettext', 'load') + node = nodes.Call(gettext, [nodes.Const(singular)], + [], None, None) + + # singular and plural + else: + ngettext = nodes.Name('ngettext', 'load') + node = nodes.Call(ngettext, [ + nodes.Const(singular), + nodes.Const(plural), + plural_expr + ], [], None, None) + + # in case newstyle gettext is used, the method is powerful + # enough to handle the variable expansion and autoescape + # handling itself + if self.environment.newstyle_gettext: + for key, value in iteritems(variables): + # the function adds that later anyways in case num was + # called num, so just skip it. + if num_called_num and key == 'num': + continue + node.kwargs.append(nodes.Keyword(key, value)) + + # otherwise do that here + else: + # mark the return value as safe if we are in an + # environment with autoescaping turned on + node = nodes.MarkSafeIfAutoescape(node) + if variables: + node = nodes.Mod(node, nodes.Dict([ + nodes.Pair(nodes.Const(key), value) + for key, value in variables.items() + ])) + return nodes.Output([node]) + + +class ExprStmtExtension(Extension): + """Adds a `do` tag to Jinja2 that works like the print statement just + that it doesn't print the return value. + """ + tags = set(['do']) + + def parse(self, parser): + node = nodes.ExprStmt(lineno=next(parser.stream).lineno) + node.node = parser.parse_tuple() + return node + + +class LoopControlExtension(Extension): + """Adds break and continue to the template engine.""" + tags = set(['break', 'continue']) + + def parse(self, parser): + token = next(parser.stream) + if token.value == 'break': + return nodes.Break(lineno=token.lineno) + return nodes.Continue(lineno=token.lineno) + + +class WithExtension(Extension): + """Adds support for a django-like with block.""" + tags = set(['with']) + + def parse(self, parser): + node = nodes.Scope(lineno=next(parser.stream).lineno) + assignments = [] + while parser.stream.current.type != 'block_end': + lineno = parser.stream.current.lineno + if assignments: + parser.stream.expect('comma') + target = parser.parse_assign_target() + parser.stream.expect('assign') + expr = parser.parse_expression() + assignments.append(nodes.Assign(target, expr, lineno=lineno)) + node.body = assignments + \ + list(parser.parse_statements(('name:endwith',), + drop_needle=True)) + return node + + +class AutoEscapeExtension(Extension): + """Changes auto escape rules for a scope.""" + tags = set(['autoescape']) + + def parse(self, parser): + node = nodes.ScopedEvalContextModifier(lineno=next(parser.stream).lineno) + node.options = [ + nodes.Keyword('autoescape', parser.parse_expression()) + ] + node.body = parser.parse_statements(('name:endautoescape',), + drop_needle=True) + return nodes.Scope([node]) + + +def extract_from_ast(node, gettext_functions=GETTEXT_FUNCTIONS, + babel_style=True): + """Extract localizable strings from the given template node. Per + default this function returns matches in babel style that means non string + parameters as well as keyword arguments are returned as `None`. This + allows Babel to figure out what you really meant if you are using + gettext functions that allow keyword arguments for placeholder expansion. + If you don't want that behavior set the `babel_style` parameter to `False` + which causes only strings to be returned and parameters are always stored + in tuples. As a consequence invalid gettext calls (calls without a single + string parameter or string parameters after non-string parameters) are + skipped. + + This example explains the behavior: + + >>> from jinja2 import Environment + >>> env = Environment() + >>> node = env.parse('{{ (_("foo"), _(), ngettext("foo", "bar", 42)) }}') + >>> list(extract_from_ast(node)) + [(1, '_', 'foo'), (1, '_', ()), (1, 'ngettext', ('foo', 'bar', None))] + >>> list(extract_from_ast(node, babel_style=False)) + [(1, '_', ('foo',)), (1, 'ngettext', ('foo', 'bar'))] + + For every string found this function yields a ``(lineno, function, + message)`` tuple, where: + + * ``lineno`` is the number of the line on which the string was found, + * ``function`` is the name of the ``gettext`` function used (if the + string was extracted from embedded Python code), and + * ``message`` is the string itself (a ``unicode`` object, or a tuple + of ``unicode`` objects for functions with multiple string arguments). + + This extraction function operates on the AST and is because of that unable + to extract any comments. For comment support you have to use the babel + extraction interface or extract comments yourself. + """ + for node in node.find_all(nodes.Call): + if not isinstance(node.node, nodes.Name) or \ + node.node.name not in gettext_functions: + continue + + strings = [] + for arg in node.args: + if isinstance(arg, nodes.Const) and \ + isinstance(arg.value, string_types): + strings.append(arg.value) + else: + strings.append(None) + + for arg in node.kwargs: + strings.append(None) + if node.dyn_args is not None: + strings.append(None) + if node.dyn_kwargs is not None: + strings.append(None) + + if not babel_style: + strings = tuple(x for x in strings if x is not None) + if not strings: + continue + else: + if len(strings) == 1: + strings = strings[0] + else: + strings = tuple(strings) + yield node.lineno, node.node.name, strings + + +class _CommentFinder(object): + """Helper class to find comments in a token stream. Can only + find comments for gettext calls forwards. Once the comment + from line 4 is found, a comment for line 1 will not return a + usable value. + """ + + def __init__(self, tokens, comment_tags): + self.tokens = tokens + self.comment_tags = comment_tags + self.offset = 0 + self.last_lineno = 0 + + def find_backwards(self, offset): + try: + for _, token_type, token_value in \ + reversed(self.tokens[self.offset:offset]): + if token_type in ('comment', 'linecomment'): + try: + prefix, comment = token_value.split(None, 1) + except ValueError: + continue + if prefix in self.comment_tags: + return [comment.rstrip()] + return [] + finally: + self.offset = offset + + def find_comments(self, lineno): + if not self.comment_tags or self.last_lineno > lineno: + return [] + for idx, (token_lineno, _, _) in enumerate(self.tokens[self.offset:]): + if token_lineno > lineno: + return self.find_backwards(self.offset + idx) + return self.find_backwards(len(self.tokens)) + + +def babel_extract(fileobj, keywords, comment_tags, options): + """Babel extraction method for Jinja templates. + + .. versionchanged:: 2.3 + Basic support for translation comments was added. If `comment_tags` + is now set to a list of keywords for extraction, the extractor will + try to find the best preceeding comment that begins with one of the + keywords. For best results, make sure to not have more than one + gettext call in one line of code and the matching comment in the + same line or the line before. + + .. versionchanged:: 2.5.1 + The `newstyle_gettext` flag can be set to `True` to enable newstyle + gettext calls. + + .. versionchanged:: 2.7 + A `silent` option can now be provided. If set to `False` template + syntax errors are propagated instead of being ignored. + + :param fileobj: the file-like object the messages should be extracted from + :param keywords: a list of keywords (i.e. function names) that should be + recognized as translation functions + :param comment_tags: a list of translator tags to search for and include + in the results. + :param options: a dictionary of additional options (optional) + :return: an iterator over ``(lineno, funcname, message, comments)`` tuples. + (comments will be empty currently) + """ + extensions = set() + for extension in options.get('extensions', '').split(','): + extension = extension.strip() + if not extension: + continue + extensions.add(import_string(extension)) + if InternationalizationExtension not in extensions: + extensions.add(InternationalizationExtension) + + def getbool(options, key, default=False): + return options.get(key, str(default)).lower() in \ + ('1', 'on', 'yes', 'true') + + silent = getbool(options, 'silent', True) + environment = Environment( + options.get('block_start_string', BLOCK_START_STRING), + options.get('block_end_string', BLOCK_END_STRING), + options.get('variable_start_string', VARIABLE_START_STRING), + options.get('variable_end_string', VARIABLE_END_STRING), + options.get('comment_start_string', COMMENT_START_STRING), + options.get('comment_end_string', COMMENT_END_STRING), + options.get('line_statement_prefix') or LINE_STATEMENT_PREFIX, + options.get('line_comment_prefix') or LINE_COMMENT_PREFIX, + getbool(options, 'trim_blocks', TRIM_BLOCKS), + getbool(options, 'lstrip_blocks', LSTRIP_BLOCKS), + NEWLINE_SEQUENCE, + getbool(options, 'keep_trailing_newline', KEEP_TRAILING_NEWLINE), + frozenset(extensions), + cache_size=0, + auto_reload=False + ) + + if getbool(options, 'newstyle_gettext'): + environment.newstyle_gettext = True + + source = fileobj.read().decode(options.get('encoding', 'utf-8')) + try: + node = environment.parse(source) + tokens = list(environment.lex(environment.preprocess(source))) + except TemplateSyntaxError as e: + if not silent: + raise + # skip templates with syntax errors + return + + finder = _CommentFinder(tokens, comment_tags) + for lineno, func, message in extract_from_ast(node, keywords): + yield lineno, func, message, finder.find_comments(lineno) + + +#: nicer import names +i18n = InternationalizationExtension +do = ExprStmtExtension +loopcontrols = LoopControlExtension +with_ = WithExtension +autoescape = AutoEscapeExtension diff --git a/pyload/lib/jinja2/filters.py b/pyload/lib/jinja2/filters.py new file mode 100644 index 000000000..fd0db04aa --- /dev/null +++ b/pyload/lib/jinja2/filters.py @@ -0,0 +1,987 @@ +# -*- coding: utf-8 -*- +""" + jinja2.filters + ~~~~~~~~~~~~~~ + + Bundled jinja filters. + + :copyright: (c) 2010 by the Jinja Team. + :license: BSD, see LICENSE for more details. +""" +import re +import math + +from random import choice +from operator import itemgetter +from itertools import groupby +from jinja2.utils import Markup, escape, pformat, urlize, soft_unicode, \ + unicode_urlencode +from jinja2.runtime import Undefined +from jinja2.exceptions import FilterArgumentError +from jinja2._compat import next, imap, string_types, text_type, iteritems + + +_word_re = re.compile(r'\w+(?u)') + + +def contextfilter(f): + """Decorator for marking context dependent filters. The current + :class:`Context` will be passed as first argument. + """ + f.contextfilter = True + return f + + +def evalcontextfilter(f): + """Decorator for marking eval-context dependent filters. An eval + context object is passed as first argument. For more information + about the eval context, see :ref:`eval-context`. + + .. versionadded:: 2.4 + """ + f.evalcontextfilter = True + return f + + +def environmentfilter(f): + """Decorator for marking evironment dependent filters. The current + :class:`Environment` is passed to the filter as first argument. + """ + f.environmentfilter = True + return f + + +def make_attrgetter(environment, attribute): + """Returns a callable that looks up the given attribute from a + passed object with the rules of the environment. Dots are allowed + to access attributes of attributes. Integer parts in paths are + looked up as integers. + """ + if not isinstance(attribute, string_types) \ + or ('.' not in attribute and not attribute.isdigit()): + return lambda x: environment.getitem(x, attribute) + attribute = attribute.split('.') + def attrgetter(item): + for part in attribute: + if part.isdigit(): + part = int(part) + item = environment.getitem(item, part) + return item + return attrgetter + + +def do_forceescape(value): + """Enforce HTML escaping. This will probably double escape variables.""" + if hasattr(value, '__html__'): + value = value.__html__() + return escape(text_type(value)) + + +def do_urlencode(value): + """Escape strings for use in URLs (uses UTF-8 encoding). It accepts both + dictionaries and regular strings as well as pairwise iterables. + + .. versionadded:: 2.7 + """ + itemiter = None + if isinstance(value, dict): + itemiter = iteritems(value) + elif not isinstance(value, string_types): + try: + itemiter = iter(value) + except TypeError: + pass + if itemiter is None: + return unicode_urlencode(value) + return u'&'.join(unicode_urlencode(k) + '=' + + unicode_urlencode(v) for k, v in itemiter) + + +@evalcontextfilter +def do_replace(eval_ctx, s, old, new, count=None): + """Return a copy of the value with all occurrences of a substring + replaced with a new one. The first argument is the substring + that should be replaced, the second is the replacement string. + If the optional third argument ``count`` is given, only the first + ``count`` occurrences are replaced: + + .. sourcecode:: jinja + + {{ "Hello World"|replace("Hello", "Goodbye") }} + -> Goodbye World + + {{ "aaaaargh"|replace("a", "d'oh, ", 2) }} + -> d'oh, d'oh, aaargh + """ + if count is None: + count = -1 + if not eval_ctx.autoescape: + return text_type(s).replace(text_type(old), text_type(new), count) + if hasattr(old, '__html__') or hasattr(new, '__html__') and \ + not hasattr(s, '__html__'): + s = escape(s) + else: + s = soft_unicode(s) + return s.replace(soft_unicode(old), soft_unicode(new), count) + + +def do_upper(s): + """Convert a value to uppercase.""" + return soft_unicode(s).upper() + + +def do_lower(s): + """Convert a value to lowercase.""" + return soft_unicode(s).lower() + + +@evalcontextfilter +def do_xmlattr(_eval_ctx, d, autospace=True): + """Create an SGML/XML attribute string based on the items in a dict. + All values that are neither `none` nor `undefined` are automatically + escaped: + + .. sourcecode:: html+jinja + + <ul{{ {'class': 'my_list', 'missing': none, + 'id': 'list-%d'|format(variable)}|xmlattr }}> + ... + </ul> + + Results in something like this: + + .. sourcecode:: html + + <ul class="my_list" id="list-42"> + ... + </ul> + + As you can see it automatically prepends a space in front of the item + if the filter returned something unless the second parameter is false. + """ + rv = u' '.join( + u'%s="%s"' % (escape(key), escape(value)) + for key, value in iteritems(d) + if value is not None and not isinstance(value, Undefined) + ) + if autospace and rv: + rv = u' ' + rv + if _eval_ctx.autoescape: + rv = Markup(rv) + return rv + + +def do_capitalize(s): + """Capitalize a value. The first character will be uppercase, all others + lowercase. + """ + return soft_unicode(s).capitalize() + + +def do_title(s): + """Return a titlecased version of the value. I.e. words will start with + uppercase letters, all remaining characters are lowercase. + """ + rv = [] + for item in re.compile(r'([-\s]+)(?u)').split(s): + if not item: + continue + rv.append(item[0].upper() + item[1:].lower()) + return ''.join(rv) + + +def do_dictsort(value, case_sensitive=False, by='key'): + """Sort a dict and yield (key, value) pairs. Because python dicts are + unsorted you may want to use this function to order them by either + key or value: + + .. sourcecode:: jinja + + {% for item in mydict|dictsort %} + sort the dict by key, case insensitive + + {% for item in mydict|dictsort(true) %} + sort the dict by key, case sensitive + + {% for item in mydict|dictsort(false, 'value') %} + sort the dict by key, case insensitive, sorted + normally and ordered by value. + """ + if by == 'key': + pos = 0 + elif by == 'value': + pos = 1 + else: + raise FilterArgumentError('You can only sort by either ' + '"key" or "value"') + def sort_func(item): + value = item[pos] + if isinstance(value, string_types) and not case_sensitive: + value = value.lower() + return value + + return sorted(value.items(), key=sort_func) + + +@environmentfilter +def do_sort(environment, value, reverse=False, case_sensitive=False, + attribute=None): + """Sort an iterable. Per default it sorts ascending, if you pass it + true as first argument it will reverse the sorting. + + If the iterable is made of strings the third parameter can be used to + control the case sensitiveness of the comparison which is disabled by + default. + + .. sourcecode:: jinja + + {% for item in iterable|sort %} + ... + {% endfor %} + + It is also possible to sort by an attribute (for example to sort + by the date of an object) by specifying the `attribute` parameter: + + .. sourcecode:: jinja + + {% for item in iterable|sort(attribute='date') %} + ... + {% endfor %} + + .. versionchanged:: 2.6 + The `attribute` parameter was added. + """ + if not case_sensitive: + def sort_func(item): + if isinstance(item, string_types): + item = item.lower() + return item + else: + sort_func = None + if attribute is not None: + getter = make_attrgetter(environment, attribute) + def sort_func(item, processor=sort_func or (lambda x: x)): + return processor(getter(item)) + return sorted(value, key=sort_func, reverse=reverse) + + +def do_default(value, default_value=u'', boolean=False): + """If the value is undefined it will return the passed default value, + otherwise the value of the variable: + + .. sourcecode:: jinja + + {{ my_variable|default('my_variable is not defined') }} + + This will output the value of ``my_variable`` if the variable was + defined, otherwise ``'my_variable is not defined'``. If you want + to use default with variables that evaluate to false you have to + set the second parameter to `true`: + + .. sourcecode:: jinja + + {{ ''|default('the string was empty', true) }} + """ + if isinstance(value, Undefined) or (boolean and not value): + return default_value + return value + + +@evalcontextfilter +def do_join(eval_ctx, value, d=u'', attribute=None): + """Return a string which is the concatenation of the strings in the + sequence. The separator between elements is an empty string per + default, you can define it with the optional parameter: + + .. sourcecode:: jinja + + {{ [1, 2, 3]|join('|') }} + -> 1|2|3 + + {{ [1, 2, 3]|join }} + -> 123 + + It is also possible to join certain attributes of an object: + + .. sourcecode:: jinja + + {{ users|join(', ', attribute='username') }} + + .. versionadded:: 2.6 + The `attribute` parameter was added. + """ + if attribute is not None: + value = imap(make_attrgetter(eval_ctx.environment, attribute), value) + + # no automatic escaping? joining is a lot eaiser then + if not eval_ctx.autoescape: + return text_type(d).join(imap(text_type, value)) + + # if the delimiter doesn't have an html representation we check + # if any of the items has. If yes we do a coercion to Markup + if not hasattr(d, '__html__'): + value = list(value) + do_escape = False + for idx, item in enumerate(value): + if hasattr(item, '__html__'): + do_escape = True + else: + value[idx] = text_type(item) + if do_escape: + d = escape(d) + else: + d = text_type(d) + return d.join(value) + + # no html involved, to normal joining + return soft_unicode(d).join(imap(soft_unicode, value)) + + +def do_center(value, width=80): + """Centers the value in a field of a given width.""" + return text_type(value).center(width) + + +@environmentfilter +def do_first(environment, seq): + """Return the first item of a sequence.""" + try: + return next(iter(seq)) + except StopIteration: + return environment.undefined('No first item, sequence was empty.') + + +@environmentfilter +def do_last(environment, seq): + """Return the last item of a sequence.""" + try: + return next(iter(reversed(seq))) + except StopIteration: + return environment.undefined('No last item, sequence was empty.') + + +@environmentfilter +def do_random(environment, seq): + """Return a random item from the sequence.""" + try: + return choice(seq) + except IndexError: + return environment.undefined('No random item, sequence was empty.') + + +def do_filesizeformat(value, binary=False): + """Format the value like a 'human-readable' file size (i.e. 13 kB, + 4.1 MB, 102 Bytes, etc). Per default decimal prefixes are used (Mega, + Giga, etc.), if the second parameter is set to `True` the binary + prefixes are used (Mebi, Gibi). + """ + bytes = float(value) + base = binary and 1024 or 1000 + prefixes = [ + (binary and 'KiB' or 'kB'), + (binary and 'MiB' or 'MB'), + (binary and 'GiB' or 'GB'), + (binary and 'TiB' or 'TB'), + (binary and 'PiB' or 'PB'), + (binary and 'EiB' or 'EB'), + (binary and 'ZiB' or 'ZB'), + (binary and 'YiB' or 'YB') + ] + if bytes == 1: + return '1 Byte' + elif bytes < base: + return '%d Bytes' % bytes + else: + for i, prefix in enumerate(prefixes): + unit = base ** (i + 2) + if bytes < unit: + return '%.1f %s' % ((base * bytes / unit), prefix) + return '%.1f %s' % ((base * bytes / unit), prefix) + + +def do_pprint(value, verbose=False): + """Pretty print a variable. Useful for debugging. + + With Jinja 1.2 onwards you can pass it a parameter. If this parameter + is truthy the output will be more verbose (this requires `pretty`) + """ + return pformat(value, verbose=verbose) + + +@evalcontextfilter +def do_urlize(eval_ctx, value, trim_url_limit=None, nofollow=False): + """Converts URLs in plain text into clickable links. + + If you pass the filter an additional integer it will shorten the urls + to that number. Also a third argument exists that makes the urls + "nofollow": + + .. sourcecode:: jinja + + {{ mytext|urlize(40, true) }} + links are shortened to 40 chars and defined with rel="nofollow" + """ + rv = urlize(value, trim_url_limit, nofollow) + if eval_ctx.autoescape: + rv = Markup(rv) + return rv + + +def do_indent(s, width=4, indentfirst=False): + """Return a copy of the passed string, each line indented by + 4 spaces. The first line is not indented. If you want to + change the number of spaces or indent the first line too + you can pass additional parameters to the filter: + + .. sourcecode:: jinja + + {{ mytext|indent(2, true) }} + indent by two spaces and indent the first line too. + """ + indention = u' ' * width + rv = (u'\n' + indention).join(s.splitlines()) + if indentfirst: + rv = indention + rv + return rv + + +def do_truncate(s, length=255, killwords=False, end='...'): + """Return a truncated copy of the string. The length is specified + with the first parameter which defaults to ``255``. If the second + parameter is ``true`` the filter will cut the text at length. Otherwise + it will discard the last word. If the text was in fact + truncated it will append an ellipsis sign (``"..."``). If you want a + different ellipsis sign than ``"..."`` you can specify it using the + third parameter. + + .. sourcecode:: jinja + + {{ "foo bar"|truncate(5) }} + -> "foo ..." + {{ "foo bar"|truncate(5, True) }} + -> "foo b..." + """ + if len(s) <= length: + return s + elif killwords: + return s[:length] + end + words = s.split(' ') + result = [] + m = 0 + for word in words: + m += len(word) + 1 + if m > length: + break + result.append(word) + result.append(end) + return u' '.join(result) + +@environmentfilter +def do_wordwrap(environment, s, width=79, break_long_words=True, + wrapstring=None): + """ + Return a copy of the string passed to the filter wrapped after + ``79`` characters. You can override this default using the first + parameter. If you set the second parameter to `false` Jinja will not + split words apart if they are longer than `width`. By default, the newlines + will be the default newlines for the environment, but this can be changed + using the wrapstring keyword argument. + + .. versionadded:: 2.7 + Added support for the `wrapstring` parameter. + """ + if not wrapstring: + wrapstring = environment.newline_sequence + import textwrap + return wrapstring.join(textwrap.wrap(s, width=width, expand_tabs=False, + replace_whitespace=False, + break_long_words=break_long_words)) + + +def do_wordcount(s): + """Count the words in that string.""" + return len(_word_re.findall(s)) + + +def do_int(value, default=0): + """Convert the value into an integer. If the + conversion doesn't work it will return ``0``. You can + override this default using the first parameter. + """ + try: + return int(value) + except (TypeError, ValueError): + # this quirk is necessary so that "42.23"|int gives 42. + try: + return int(float(value)) + except (TypeError, ValueError): + return default + + +def do_float(value, default=0.0): + """Convert the value into a floating point number. If the + conversion doesn't work it will return ``0.0``. You can + override this default using the first parameter. + """ + try: + return float(value) + except (TypeError, ValueError): + return default + + +def do_format(value, *args, **kwargs): + """ + Apply python string formatting on an object: + + .. sourcecode:: jinja + + {{ "%s - %s"|format("Hello?", "Foo!") }} + -> Hello? - Foo! + """ + if args and kwargs: + raise FilterArgumentError('can\'t handle positional and keyword ' + 'arguments at the same time') + return soft_unicode(value) % (kwargs or args) + + +def do_trim(value): + """Strip leading and trailing whitespace.""" + return soft_unicode(value).strip() + + +def do_striptags(value): + """Strip SGML/XML tags and replace adjacent whitespace by one space. + """ + if hasattr(value, '__html__'): + value = value.__html__() + return Markup(text_type(value)).striptags() + + +def do_slice(value, slices, fill_with=None): + """Slice an iterator and return a list of lists containing + those items. Useful if you want to create a div containing + three ul tags that represent columns: + + .. sourcecode:: html+jinja + + <div class="columwrapper"> + {%- for column in items|slice(3) %} + <ul class="column-{{ loop.index }}"> + {%- for item in column %} + <li>{{ item }}</li> + {%- endfor %} + </ul> + {%- endfor %} + </div> + + If you pass it a second argument it's used to fill missing + values on the last iteration. + """ + seq = list(value) + length = len(seq) + items_per_slice = length // slices + slices_with_extra = length % slices + offset = 0 + for slice_number in range(slices): + start = offset + slice_number * items_per_slice + if slice_number < slices_with_extra: + offset += 1 + end = offset + (slice_number + 1) * items_per_slice + tmp = seq[start:end] + if fill_with is not None and slice_number >= slices_with_extra: + tmp.append(fill_with) + yield tmp + + +def do_batch(value, linecount, fill_with=None): + """ + A filter that batches items. It works pretty much like `slice` + just the other way round. It returns a list of lists with the + given number of items. If you provide a second parameter this + is used to fill up missing items. See this example: + + .. sourcecode:: html+jinja + + <table> + {%- for row in items|batch(3, ' ') %} + <tr> + {%- for column in row %} + <td>{{ column }}</td> + {%- endfor %} + </tr> + {%- endfor %} + </table> + """ + result = [] + tmp = [] + for item in value: + if len(tmp) == linecount: + yield tmp + tmp = [] + tmp.append(item) + if tmp: + if fill_with is not None and len(tmp) < linecount: + tmp += [fill_with] * (linecount - len(tmp)) + yield tmp + + +def do_round(value, precision=0, method='common'): + """Round the number to a given precision. The first + parameter specifies the precision (default is ``0``), the + second the rounding method: + + - ``'common'`` rounds either up or down + - ``'ceil'`` always rounds up + - ``'floor'`` always rounds down + + If you don't specify a method ``'common'`` is used. + + .. sourcecode:: jinja + + {{ 42.55|round }} + -> 43.0 + {{ 42.55|round(1, 'floor') }} + -> 42.5 + + Note that even if rounded to 0 precision, a float is returned. If + you need a real integer, pipe it through `int`: + + .. sourcecode:: jinja + + {{ 42.55|round|int }} + -> 43 + """ + if not method in ('common', 'ceil', 'floor'): + raise FilterArgumentError('method must be common, ceil or floor') + if method == 'common': + return round(value, precision) + func = getattr(math, method) + return func(value * (10 ** precision)) / (10 ** precision) + + +@environmentfilter +def do_groupby(environment, value, attribute): + """Group a sequence of objects by a common attribute. + + If you for example have a list of dicts or objects that represent persons + with `gender`, `first_name` and `last_name` attributes and you want to + group all users by genders you can do something like the following + snippet: + + .. sourcecode:: html+jinja + + <ul> + {% for group in persons|groupby('gender') %} + <li>{{ group.grouper }}<ul> + {% for person in group.list %} + <li>{{ person.first_name }} {{ person.last_name }}</li> + {% endfor %}</ul></li> + {% endfor %} + </ul> + + Additionally it's possible to use tuple unpacking for the grouper and + list: + + .. sourcecode:: html+jinja + + <ul> + {% for grouper, list in persons|groupby('gender') %} + ... + {% endfor %} + </ul> + + As you can see the item we're grouping by is stored in the `grouper` + attribute and the `list` contains all the objects that have this grouper + in common. + + .. versionchanged:: 2.6 + It's now possible to use dotted notation to group by the child + attribute of another attribute. + """ + expr = make_attrgetter(environment, attribute) + return sorted(map(_GroupTuple, groupby(sorted(value, key=expr), expr))) + + +class _GroupTuple(tuple): + __slots__ = () + grouper = property(itemgetter(0)) + list = property(itemgetter(1)) + + def __new__(cls, xxx_todo_changeme): + (key, value) = xxx_todo_changeme + return tuple.__new__(cls, (key, list(value))) + + +@environmentfilter +def do_sum(environment, iterable, attribute=None, start=0): + """Returns the sum of a sequence of numbers plus the value of parameter + 'start' (which defaults to 0). When the sequence is empty it returns + start. + + It is also possible to sum up only certain attributes: + + .. sourcecode:: jinja + + Total: {{ items|sum(attribute='price') }} + + .. versionchanged:: 2.6 + The `attribute` parameter was added to allow suming up over + attributes. Also the `start` parameter was moved on to the right. + """ + if attribute is not None: + iterable = imap(make_attrgetter(environment, attribute), iterable) + return sum(iterable, start) + + +def do_list(value): + """Convert the value into a list. If it was a string the returned list + will be a list of characters. + """ + return list(value) + + +def do_mark_safe(value): + """Mark the value as safe which means that in an environment with automatic + escaping enabled this variable will not be escaped. + """ + return Markup(value) + + +def do_mark_unsafe(value): + """Mark a value as unsafe. This is the reverse operation for :func:`safe`.""" + return text_type(value) + + +def do_reverse(value): + """Reverse the object or return an iterator the iterates over it the other + way round. + """ + if isinstance(value, string_types): + return value[::-1] + try: + return reversed(value) + except TypeError: + try: + rv = list(value) + rv.reverse() + return rv + except TypeError: + raise FilterArgumentError('argument must be iterable') + + +@environmentfilter +def do_attr(environment, obj, name): + """Get an attribute of an object. ``foo|attr("bar")`` works like + ``foo["bar"]`` just that always an attribute is returned and items are not + looked up. + + See :ref:`Notes on subscriptions <notes-on-subscriptions>` for more details. + """ + try: + name = str(name) + except UnicodeError: + pass + else: + try: + value = getattr(obj, name) + except AttributeError: + pass + else: + if environment.sandboxed and not \ + environment.is_safe_attribute(obj, name, value): + return environment.unsafe_undefined(obj, name) + return value + return environment.undefined(obj=obj, name=name) + + +@contextfilter +def do_map(*args, **kwargs): + """Applies a filter on a sequence of objects or looks up an attribute. + This is useful when dealing with lists of objects but you are really + only interested in a certain value of it. + + The basic usage is mapping on an attribute. Imagine you have a list + of users but you are only interested in a list of usernames: + + .. sourcecode:: jinja + + Users on this page: {{ users|map(attribute='username')|join(', ') }} + + Alternatively you can let it invoke a filter by passing the name of the + filter and the arguments afterwards. A good example would be applying a + text conversion filter on a sequence: + + .. sourcecode:: jinja + + Users on this page: {{ titles|map('lower')|join(', ') }} + + .. versionadded:: 2.7 + """ + context = args[0] + seq = args[1] + + if len(args) == 2 and 'attribute' in kwargs: + attribute = kwargs.pop('attribute') + if kwargs: + raise FilterArgumentError('Unexpected keyword argument %r' % + next(iter(kwargs))) + func = make_attrgetter(context.environment, attribute) + else: + try: + name = args[2] + args = args[3:] + except LookupError: + raise FilterArgumentError('map requires a filter argument') + func = lambda item: context.environment.call_filter( + name, item, args, kwargs, context=context) + + if seq: + for item in seq: + yield func(item) + + +@contextfilter +def do_select(*args, **kwargs): + """Filters a sequence of objects by appying a test to either the object + or the attribute and only selecting the ones with the test succeeding. + + Example usage: + + .. sourcecode:: jinja + + {{ numbers|select("odd") }} + + .. versionadded:: 2.7 + """ + return _select_or_reject(args, kwargs, lambda x: x, False) + + +@contextfilter +def do_reject(*args, **kwargs): + """Filters a sequence of objects by appying a test to either the object + or the attribute and rejecting the ones with the test succeeding. + + Example usage: + + .. sourcecode:: jinja + + {{ numbers|reject("odd") }} + + .. versionadded:: 2.7 + """ + return _select_or_reject(args, kwargs, lambda x: not x, False) + + +@contextfilter +def do_selectattr(*args, **kwargs): + """Filters a sequence of objects by appying a test to either the object + or the attribute and only selecting the ones with the test succeeding. + + Example usage: + + .. sourcecode:: jinja + + {{ users|selectattr("is_active") }} + {{ users|selectattr("email", "none") }} + + .. versionadded:: 2.7 + """ + return _select_or_reject(args, kwargs, lambda x: x, True) + + +@contextfilter +def do_rejectattr(*args, **kwargs): + """Filters a sequence of objects by appying a test to either the object + or the attribute and rejecting the ones with the test succeeding. + + .. sourcecode:: jinja + + {{ users|rejectattr("is_active") }} + {{ users|rejectattr("email", "none") }} + + .. versionadded:: 2.7 + """ + return _select_or_reject(args, kwargs, lambda x: not x, True) + + +def _select_or_reject(args, kwargs, modfunc, lookup_attr): + context = args[0] + seq = args[1] + if lookup_attr: + try: + attr = args[2] + except LookupError: + raise FilterArgumentError('Missing parameter for attribute name') + transfunc = make_attrgetter(context.environment, attr) + off = 1 + else: + off = 0 + transfunc = lambda x: x + + try: + name = args[2 + off] + args = args[3 + off:] + func = lambda item: context.environment.call_test( + name, item, args, kwargs) + except LookupError: + func = bool + + if seq: + for item in seq: + if modfunc(func(transfunc(item))): + yield item + + +FILTERS = { + 'attr': do_attr, + 'replace': do_replace, + 'upper': do_upper, + 'lower': do_lower, + 'escape': escape, + 'e': escape, + 'forceescape': do_forceescape, + 'capitalize': do_capitalize, + 'title': do_title, + 'default': do_default, + 'd': do_default, + 'join': do_join, + 'count': len, + 'dictsort': do_dictsort, + 'sort': do_sort, + 'length': len, + 'reverse': do_reverse, + 'center': do_center, + 'indent': do_indent, + 'title': do_title, + 'capitalize': do_capitalize, + 'first': do_first, + 'last': do_last, + 'map': do_map, + 'random': do_random, + 'reject': do_reject, + 'rejectattr': do_rejectattr, + 'filesizeformat': do_filesizeformat, + 'pprint': do_pprint, + 'truncate': do_truncate, + 'wordwrap': do_wordwrap, + 'wordcount': do_wordcount, + 'int': do_int, + 'float': do_float, + 'string': soft_unicode, + 'list': do_list, + 'urlize': do_urlize, + 'format': do_format, + 'trim': do_trim, + 'striptags': do_striptags, + 'select': do_select, + 'selectattr': do_selectattr, + 'slice': do_slice, + 'batch': do_batch, + 'sum': do_sum, + 'abs': abs, + 'round': do_round, + 'groupby': do_groupby, + 'safe': do_mark_safe, + 'xmlattr': do_xmlattr, + 'urlencode': do_urlencode +} diff --git a/pyload/lib/jinja2/lexer.py b/pyload/lib/jinja2/lexer.py new file mode 100644 index 000000000..a50128507 --- /dev/null +++ b/pyload/lib/jinja2/lexer.py @@ -0,0 +1,733 @@ +# -*- coding: utf-8 -*- +""" + jinja2.lexer + ~~~~~~~~~~~~ + + This module implements a Jinja / Python combination lexer. The + `Lexer` class provided by this module is used to do some preprocessing + for Jinja. + + On the one hand it filters out invalid operators like the bitshift + operators we don't allow in templates. On the other hand it separates + template code and python code in expressions. + + :copyright: (c) 2010 by the Jinja Team. + :license: BSD, see LICENSE for more details. +""" +import re + +from operator import itemgetter +from collections import deque +from jinja2.exceptions import TemplateSyntaxError +from jinja2.utils import LRUCache +from jinja2._compat import next, iteritems, implements_iterator, text_type, \ + intern + + +# cache for the lexers. Exists in order to be able to have multiple +# environments with the same lexer +_lexer_cache = LRUCache(50) + +# static regular expressions +whitespace_re = re.compile(r'\s+', re.U) +string_re = re.compile(r"('([^'\\]*(?:\\.[^'\\]*)*)'" + r'|"([^"\\]*(?:\\.[^"\\]*)*)")', re.S) +integer_re = re.compile(r'\d+') + +# we use the unicode identifier rule if this python version is able +# to handle unicode identifiers, otherwise the standard ASCII one. +try: + compile('föö', '<unknown>', 'eval') +except SyntaxError: + name_re = re.compile(r'\b[a-zA-Z_][a-zA-Z0-9_]*\b') +else: + from jinja2 import _stringdefs + name_re = re.compile(r'[%s][%s]*' % (_stringdefs.xid_start, + _stringdefs.xid_continue)) + +float_re = re.compile(r'(?<!\.)\d+\.\d+') +newline_re = re.compile(r'(\r\n|\r|\n)') + +# internal the tokens and keep references to them +TOKEN_ADD = intern('add') +TOKEN_ASSIGN = intern('assign') +TOKEN_COLON = intern('colon') +TOKEN_COMMA = intern('comma') +TOKEN_DIV = intern('div') +TOKEN_DOT = intern('dot') +TOKEN_EQ = intern('eq') +TOKEN_FLOORDIV = intern('floordiv') +TOKEN_GT = intern('gt') +TOKEN_GTEQ = intern('gteq') +TOKEN_LBRACE = intern('lbrace') +TOKEN_LBRACKET = intern('lbracket') +TOKEN_LPAREN = intern('lparen') +TOKEN_LT = intern('lt') +TOKEN_LTEQ = intern('lteq') +TOKEN_MOD = intern('mod') +TOKEN_MUL = intern('mul') +TOKEN_NE = intern('ne') +TOKEN_PIPE = intern('pipe') +TOKEN_POW = intern('pow') +TOKEN_RBRACE = intern('rbrace') +TOKEN_RBRACKET = intern('rbracket') +TOKEN_RPAREN = intern('rparen') +TOKEN_SEMICOLON = intern('semicolon') +TOKEN_SUB = intern('sub') +TOKEN_TILDE = intern('tilde') +TOKEN_WHITESPACE = intern('whitespace') +TOKEN_FLOAT = intern('float') +TOKEN_INTEGER = intern('integer') +TOKEN_NAME = intern('name') +TOKEN_STRING = intern('string') +TOKEN_OPERATOR = intern('operator') +TOKEN_BLOCK_BEGIN = intern('block_begin') +TOKEN_BLOCK_END = intern('block_end') +TOKEN_VARIABLE_BEGIN = intern('variable_begin') +TOKEN_VARIABLE_END = intern('variable_end') +TOKEN_RAW_BEGIN = intern('raw_begin') +TOKEN_RAW_END = intern('raw_end') +TOKEN_COMMENT_BEGIN = intern('comment_begin') +TOKEN_COMMENT_END = intern('comment_end') +TOKEN_COMMENT = intern('comment') +TOKEN_LINESTATEMENT_BEGIN = intern('linestatement_begin') +TOKEN_LINESTATEMENT_END = intern('linestatement_end') +TOKEN_LINECOMMENT_BEGIN = intern('linecomment_begin') +TOKEN_LINECOMMENT_END = intern('linecomment_end') +TOKEN_LINECOMMENT = intern('linecomment') +TOKEN_DATA = intern('data') +TOKEN_INITIAL = intern('initial') +TOKEN_EOF = intern('eof') + +# bind operators to token types +operators = { + '+': TOKEN_ADD, + '-': TOKEN_SUB, + '/': TOKEN_DIV, + '//': TOKEN_FLOORDIV, + '*': TOKEN_MUL, + '%': TOKEN_MOD, + '**': TOKEN_POW, + '~': TOKEN_TILDE, + '[': TOKEN_LBRACKET, + ']': TOKEN_RBRACKET, + '(': TOKEN_LPAREN, + ')': TOKEN_RPAREN, + '{': TOKEN_LBRACE, + '}': TOKEN_RBRACE, + '==': TOKEN_EQ, + '!=': TOKEN_NE, + '>': TOKEN_GT, + '>=': TOKEN_GTEQ, + '<': TOKEN_LT, + '<=': TOKEN_LTEQ, + '=': TOKEN_ASSIGN, + '.': TOKEN_DOT, + ':': TOKEN_COLON, + '|': TOKEN_PIPE, + ',': TOKEN_COMMA, + ';': TOKEN_SEMICOLON +} + +reverse_operators = dict([(v, k) for k, v in iteritems(operators)]) +assert len(operators) == len(reverse_operators), 'operators dropped' +operator_re = re.compile('(%s)' % '|'.join(re.escape(x) for x in + sorted(operators, key=lambda x: -len(x)))) + +ignored_tokens = frozenset([TOKEN_COMMENT_BEGIN, TOKEN_COMMENT, + TOKEN_COMMENT_END, TOKEN_WHITESPACE, + TOKEN_WHITESPACE, TOKEN_LINECOMMENT_BEGIN, + TOKEN_LINECOMMENT_END, TOKEN_LINECOMMENT]) +ignore_if_empty = frozenset([TOKEN_WHITESPACE, TOKEN_DATA, + TOKEN_COMMENT, TOKEN_LINECOMMENT]) + + +def _describe_token_type(token_type): + if token_type in reverse_operators: + return reverse_operators[token_type] + return { + TOKEN_COMMENT_BEGIN: 'begin of comment', + TOKEN_COMMENT_END: 'end of comment', + TOKEN_COMMENT: 'comment', + TOKEN_LINECOMMENT: 'comment', + TOKEN_BLOCK_BEGIN: 'begin of statement block', + TOKEN_BLOCK_END: 'end of statement block', + TOKEN_VARIABLE_BEGIN: 'begin of print statement', + TOKEN_VARIABLE_END: 'end of print statement', + TOKEN_LINESTATEMENT_BEGIN: 'begin of line statement', + TOKEN_LINESTATEMENT_END: 'end of line statement', + TOKEN_DATA: 'template data / text', + TOKEN_EOF: 'end of template' + }.get(token_type, token_type) + + +def describe_token(token): + """Returns a description of the token.""" + if token.type == 'name': + return token.value + return _describe_token_type(token.type) + + +def describe_token_expr(expr): + """Like `describe_token` but for token expressions.""" + if ':' in expr: + type, value = expr.split(':', 1) + if type == 'name': + return value + else: + type = expr + return _describe_token_type(type) + + +def count_newlines(value): + """Count the number of newline characters in the string. This is + useful for extensions that filter a stream. + """ + return len(newline_re.findall(value)) + + +def compile_rules(environment): + """Compiles all the rules from the environment into a list of rules.""" + e = re.escape + rules = [ + (len(environment.comment_start_string), 'comment', + e(environment.comment_start_string)), + (len(environment.block_start_string), 'block', + e(environment.block_start_string)), + (len(environment.variable_start_string), 'variable', + e(environment.variable_start_string)) + ] + + if environment.line_statement_prefix is not None: + rules.append((len(environment.line_statement_prefix), 'linestatement', + r'^[ \t\v]*' + e(environment.line_statement_prefix))) + if environment.line_comment_prefix is not None: + rules.append((len(environment.line_comment_prefix), 'linecomment', + r'(?:^|(?<=\S))[^\S\r\n]*' + + e(environment.line_comment_prefix))) + + return [x[1:] for x in sorted(rules, reverse=True)] + + +class Failure(object): + """Class that raises a `TemplateSyntaxError` if called. + Used by the `Lexer` to specify known errors. + """ + + def __init__(self, message, cls=TemplateSyntaxError): + self.message = message + self.error_class = cls + + def __call__(self, lineno, filename): + raise self.error_class(self.message, lineno, filename) + + +class Token(tuple): + """Token class.""" + __slots__ = () + lineno, type, value = (property(itemgetter(x)) for x in range(3)) + + def __new__(cls, lineno, type, value): + return tuple.__new__(cls, (lineno, intern(str(type)), value)) + + def __str__(self): + if self.type in reverse_operators: + return reverse_operators[self.type] + elif self.type == 'name': + return self.value + return self.type + + def test(self, expr): + """Test a token against a token expression. This can either be a + token type or ``'token_type:token_value'``. This can only test + against string values and types. + """ + # here we do a regular string equality check as test_any is usually + # passed an iterable of not interned strings. + if self.type == expr: + return True + elif ':' in expr: + return expr.split(':', 1) == [self.type, self.value] + return False + + def test_any(self, *iterable): + """Test against multiple token expressions.""" + for expr in iterable: + if self.test(expr): + return True + return False + + def __repr__(self): + return 'Token(%r, %r, %r)' % ( + self.lineno, + self.type, + self.value + ) + + +@implements_iterator +class TokenStreamIterator(object): + """The iterator for tokenstreams. Iterate over the stream + until the eof token is reached. + """ + + def __init__(self, stream): + self.stream = stream + + def __iter__(self): + return self + + def __next__(self): + token = self.stream.current + if token.type is TOKEN_EOF: + self.stream.close() + raise StopIteration() + next(self.stream) + return token + + +@implements_iterator +class TokenStream(object): + """A token stream is an iterable that yields :class:`Token`\s. The + parser however does not iterate over it but calls :meth:`next` to go + one token ahead. The current active token is stored as :attr:`current`. + """ + + def __init__(self, generator, name, filename): + self._iter = iter(generator) + self._pushed = deque() + self.name = name + self.filename = filename + self.closed = False + self.current = Token(1, TOKEN_INITIAL, '') + next(self) + + def __iter__(self): + return TokenStreamIterator(self) + + def __bool__(self): + return bool(self._pushed) or self.current.type is not TOKEN_EOF + __nonzero__ = __bool__ # py2 + + eos = property(lambda x: not x, doc="Are we at the end of the stream?") + + def push(self, token): + """Push a token back to the stream.""" + self._pushed.append(token) + + def look(self): + """Look at the next token.""" + old_token = next(self) + result = self.current + self.push(result) + self.current = old_token + return result + + def skip(self, n=1): + """Got n tokens ahead.""" + for x in range(n): + next(self) + + def next_if(self, expr): + """Perform the token test and return the token if it matched. + Otherwise the return value is `None`. + """ + if self.current.test(expr): + return next(self) + + def skip_if(self, expr): + """Like :meth:`next_if` but only returns `True` or `False`.""" + return self.next_if(expr) is not None + + def __next__(self): + """Go one token ahead and return the old one""" + rv = self.current + if self._pushed: + self.current = self._pushed.popleft() + elif self.current.type is not TOKEN_EOF: + try: + self.current = next(self._iter) + except StopIteration: + self.close() + return rv + + def close(self): + """Close the stream.""" + self.current = Token(self.current.lineno, TOKEN_EOF, '') + self._iter = None + self.closed = True + + def expect(self, expr): + """Expect a given token type and return it. This accepts the same + argument as :meth:`jinja2.lexer.Token.test`. + """ + if not self.current.test(expr): + expr = describe_token_expr(expr) + if self.current.type is TOKEN_EOF: + raise TemplateSyntaxError('unexpected end of template, ' + 'expected %r.' % expr, + self.current.lineno, + self.name, self.filename) + raise TemplateSyntaxError("expected token %r, got %r" % + (expr, describe_token(self.current)), + self.current.lineno, + self.name, self.filename) + try: + return self.current + finally: + next(self) + + +def get_lexer(environment): + """Return a lexer which is probably cached.""" + key = (environment.block_start_string, + environment.block_end_string, + environment.variable_start_string, + environment.variable_end_string, + environment.comment_start_string, + environment.comment_end_string, + environment.line_statement_prefix, + environment.line_comment_prefix, + environment.trim_blocks, + environment.lstrip_blocks, + environment.newline_sequence, + environment.keep_trailing_newline) + lexer = _lexer_cache.get(key) + if lexer is None: + lexer = Lexer(environment) + _lexer_cache[key] = lexer + return lexer + + +class Lexer(object): + """Class that implements a lexer for a given environment. Automatically + created by the environment class, usually you don't have to do that. + + Note that the lexer is not automatically bound to an environment. + Multiple environments can share the same lexer. + """ + + def __init__(self, environment): + # shortcuts + c = lambda x: re.compile(x, re.M | re.S) + e = re.escape + + # lexing rules for tags + tag_rules = [ + (whitespace_re, TOKEN_WHITESPACE, None), + (float_re, TOKEN_FLOAT, None), + (integer_re, TOKEN_INTEGER, None), + (name_re, TOKEN_NAME, None), + (string_re, TOKEN_STRING, None), + (operator_re, TOKEN_OPERATOR, None) + ] + + # assemble the root lexing rule. because "|" is ungreedy + # we have to sort by length so that the lexer continues working + # as expected when we have parsing rules like <% for block and + # <%= for variables. (if someone wants asp like syntax) + # variables are just part of the rules if variable processing + # is required. + root_tag_rules = compile_rules(environment) + + # block suffix if trimming is enabled + block_suffix_re = environment.trim_blocks and '\\n?' or '' + + # strip leading spaces if lstrip_blocks is enabled + prefix_re = {} + if environment.lstrip_blocks: + # use '{%+' to manually disable lstrip_blocks behavior + no_lstrip_re = e('+') + # detect overlap between block and variable or comment strings + block_diff = c(r'^%s(.*)' % e(environment.block_start_string)) + # make sure we don't mistake a block for a variable or a comment + m = block_diff.match(environment.comment_start_string) + no_lstrip_re += m and r'|%s' % e(m.group(1)) or '' + m = block_diff.match(environment.variable_start_string) + no_lstrip_re += m and r'|%s' % e(m.group(1)) or '' + + # detect overlap between comment and variable strings + comment_diff = c(r'^%s(.*)' % e(environment.comment_start_string)) + m = comment_diff.match(environment.variable_start_string) + no_variable_re = m and r'(?!%s)' % e(m.group(1)) or '' + + lstrip_re = r'^[ \t]*' + block_prefix_re = r'%s%s(?!%s)|%s\+?' % ( + lstrip_re, + e(environment.block_start_string), + no_lstrip_re, + e(environment.block_start_string), + ) + comment_prefix_re = r'%s%s%s|%s\+?' % ( + lstrip_re, + e(environment.comment_start_string), + no_variable_re, + e(environment.comment_start_string), + ) + prefix_re['block'] = block_prefix_re + prefix_re['comment'] = comment_prefix_re + else: + block_prefix_re = '%s' % e(environment.block_start_string) + + self.newline_sequence = environment.newline_sequence + self.keep_trailing_newline = environment.keep_trailing_newline + + # global lexing rules + self.rules = { + 'root': [ + # directives + (c('(.*?)(?:%s)' % '|'.join( + [r'(?P<raw_begin>(?:\s*%s\-|%s)\s*raw\s*(?:\-%s\s*|%s))' % ( + e(environment.block_start_string), + block_prefix_re, + e(environment.block_end_string), + e(environment.block_end_string) + )] + [ + r'(?P<%s_begin>\s*%s\-|%s)' % (n, r, prefix_re.get(n,r)) + for n, r in root_tag_rules + ])), (TOKEN_DATA, '#bygroup'), '#bygroup'), + # data + (c('.+'), TOKEN_DATA, None) + ], + # comments + TOKEN_COMMENT_BEGIN: [ + (c(r'(.*?)((?:\-%s\s*|%s)%s)' % ( + e(environment.comment_end_string), + e(environment.comment_end_string), + block_suffix_re + )), (TOKEN_COMMENT, TOKEN_COMMENT_END), '#pop'), + (c('(.)'), (Failure('Missing end of comment tag'),), None) + ], + # blocks + TOKEN_BLOCK_BEGIN: [ + (c('(?:\-%s\s*|%s)%s' % ( + e(environment.block_end_string), + e(environment.block_end_string), + block_suffix_re + )), TOKEN_BLOCK_END, '#pop'), + ] + tag_rules, + # variables + TOKEN_VARIABLE_BEGIN: [ + (c('\-%s\s*|%s' % ( + e(environment.variable_end_string), + e(environment.variable_end_string) + )), TOKEN_VARIABLE_END, '#pop') + ] + tag_rules, + # raw block + TOKEN_RAW_BEGIN: [ + (c('(.*?)((?:\s*%s\-|%s)\s*endraw\s*(?:\-%s\s*|%s%s))' % ( + e(environment.block_start_string), + block_prefix_re, + e(environment.block_end_string), + e(environment.block_end_string), + block_suffix_re + )), (TOKEN_DATA, TOKEN_RAW_END), '#pop'), + (c('(.)'), (Failure('Missing end of raw directive'),), None) + ], + # line statements + TOKEN_LINESTATEMENT_BEGIN: [ + (c(r'\s*(\n|$)'), TOKEN_LINESTATEMENT_END, '#pop') + ] + tag_rules, + # line comments + TOKEN_LINECOMMENT_BEGIN: [ + (c(r'(.*?)()(?=\n|$)'), (TOKEN_LINECOMMENT, + TOKEN_LINECOMMENT_END), '#pop') + ] + } + + def _normalize_newlines(self, value): + """Called for strings and template data to normalize it to unicode.""" + return newline_re.sub(self.newline_sequence, value) + + def tokenize(self, source, name=None, filename=None, state=None): + """Calls tokeniter + tokenize and wraps it in a token stream. + """ + stream = self.tokeniter(source, name, filename, state) + return TokenStream(self.wrap(stream, name, filename), name, filename) + + def wrap(self, stream, name=None, filename=None): + """This is called with the stream as returned by `tokenize` and wraps + every token in a :class:`Token` and converts the value. + """ + for lineno, token, value in stream: + if token in ignored_tokens: + continue + elif token == 'linestatement_begin': + token = 'block_begin' + elif token == 'linestatement_end': + token = 'block_end' + # we are not interested in those tokens in the parser + elif token in ('raw_begin', 'raw_end'): + continue + elif token == 'data': + value = self._normalize_newlines(value) + elif token == 'keyword': + token = value + elif token == 'name': + value = str(value) + elif token == 'string': + # try to unescape string + try: + value = self._normalize_newlines(value[1:-1]) \ + .encode('ascii', 'backslashreplace') \ + .decode('unicode-escape') + except Exception as e: + msg = str(e).split(':')[-1].strip() + raise TemplateSyntaxError(msg, lineno, name, filename) + # if we can express it as bytestring (ascii only) + # we do that for support of semi broken APIs + # as datetime.datetime.strftime. On python 3 this + # call becomes a noop thanks to 2to3 + try: + value = str(value) + except UnicodeError: + pass + elif token == 'integer': + value = int(value) + elif token == 'float': + value = float(value) + elif token == 'operator': + token = operators[value] + yield Token(lineno, token, value) + + def tokeniter(self, source, name, filename=None, state=None): + """This method tokenizes the text and returns the tokens in a + generator. Use this method if you just want to tokenize a template. + """ + source = text_type(source) + lines = source.splitlines() + if self.keep_trailing_newline and source: + for newline in ('\r\n', '\r', '\n'): + if source.endswith(newline): + lines.append('') + break + source = '\n'.join(lines) + pos = 0 + lineno = 1 + stack = ['root'] + if state is not None and state != 'root': + assert state in ('variable', 'block'), 'invalid state' + stack.append(state + '_begin') + else: + state = 'root' + statetokens = self.rules[stack[-1]] + source_length = len(source) + + balancing_stack = [] + + while 1: + # tokenizer loop + for regex, tokens, new_state in statetokens: + m = regex.match(source, pos) + # if no match we try again with the next rule + if m is None: + continue + + # we only match blocks and variables if braces / parentheses + # are balanced. continue parsing with the lower rule which + # is the operator rule. do this only if the end tags look + # like operators + if balancing_stack and \ + tokens in ('variable_end', 'block_end', + 'linestatement_end'): + continue + + # tuples support more options + if isinstance(tokens, tuple): + for idx, token in enumerate(tokens): + # failure group + if token.__class__ is Failure: + raise token(lineno, filename) + # bygroup is a bit more complex, in that case we + # yield for the current token the first named + # group that matched + elif token == '#bygroup': + for key, value in iteritems(m.groupdict()): + if value is not None: + yield lineno, key, value + lineno += value.count('\n') + break + else: + raise RuntimeError('%r wanted to resolve ' + 'the token dynamically' + ' but no group matched' + % regex) + # normal group + else: + data = m.group(idx + 1) + if data or token not in ignore_if_empty: + yield lineno, token, data + lineno += data.count('\n') + + # strings as token just are yielded as it. + else: + data = m.group() + # update brace/parentheses balance + if tokens == 'operator': + if data == '{': + balancing_stack.append('}') + elif data == '(': + balancing_stack.append(')') + elif data == '[': + balancing_stack.append(']') + elif data in ('}', ')', ']'): + if not balancing_stack: + raise TemplateSyntaxError('unexpected \'%s\'' % + data, lineno, name, + filename) + expected_op = balancing_stack.pop() + if expected_op != data: + raise TemplateSyntaxError('unexpected \'%s\', ' + 'expected \'%s\'' % + (data, expected_op), + lineno, name, + filename) + # yield items + if data or tokens not in ignore_if_empty: + yield lineno, tokens, data + lineno += data.count('\n') + + # fetch new position into new variable so that we can check + # if there is a internal parsing error which would result + # in an infinite loop + pos2 = m.end() + + # handle state changes + if new_state is not None: + # remove the uppermost state + if new_state == '#pop': + stack.pop() + # resolve the new state by group checking + elif new_state == '#bygroup': + for key, value in iteritems(m.groupdict()): + if value is not None: + stack.append(key) + break + else: + raise RuntimeError('%r wanted to resolve the ' + 'new state dynamically but' + ' no group matched' % + regex) + # direct state name given + else: + stack.append(new_state) + statetokens = self.rules[stack[-1]] + # we are still at the same position and no stack change. + # this means a loop without break condition, avoid that and + # raise error + elif pos2 == pos: + raise RuntimeError('%r yielded empty string without ' + 'stack change' % regex) + # publish new function and start again + pos = pos2 + break + # if loop terminated without break we haven't found a single match + # either we are at the end of the file or we have a problem + else: + # end of text + if pos >= source_length: + return + # something went wrong + raise TemplateSyntaxError('unexpected char %r at %d' % + (source[pos], pos), lineno, + name, filename) diff --git a/pyload/lib/jinja2/loaders.py b/pyload/lib/jinja2/loaders.py new file mode 100644 index 000000000..cc9c6836e --- /dev/null +++ b/pyload/lib/jinja2/loaders.py @@ -0,0 +1,471 @@ +# -*- coding: utf-8 -*- +""" + jinja2.loaders + ~~~~~~~~~~~~~~ + + Jinja loader classes. + + :copyright: (c) 2010 by the Jinja Team. + :license: BSD, see LICENSE for more details. +""" +import os +import sys +import weakref +from types import ModuleType +from os import path +from hashlib import sha1 +from jinja2.exceptions import TemplateNotFound +from jinja2.utils import open_if_exists, internalcode +from jinja2._compat import string_types, iteritems + + +def split_template_path(template): + """Split a path into segments and perform a sanity check. If it detects + '..' in the path it will raise a `TemplateNotFound` error. + """ + pieces = [] + for piece in template.split('/'): + if path.sep in piece \ + or (path.altsep and path.altsep in piece) or \ + piece == path.pardir: + raise TemplateNotFound(template) + elif piece and piece != '.': + pieces.append(piece) + return pieces + + +class BaseLoader(object): + """Baseclass for all loaders. Subclass this and override `get_source` to + implement a custom loading mechanism. The environment provides a + `get_template` method that calls the loader's `load` method to get the + :class:`Template` object. + + A very basic example for a loader that looks up templates on the file + system could look like this:: + + from jinja2 import BaseLoader, TemplateNotFound + from os.path import join, exists, getmtime + + class MyLoader(BaseLoader): + + def __init__(self, path): + self.path = path + + def get_source(self, environment, template): + path = join(self.path, template) + if not exists(path): + raise TemplateNotFound(template) + mtime = getmtime(path) + with file(path) as f: + source = f.read().decode('utf-8') + return source, path, lambda: mtime == getmtime(path) + """ + + #: if set to `False` it indicates that the loader cannot provide access + #: to the source of templates. + #: + #: .. versionadded:: 2.4 + has_source_access = True + + def get_source(self, environment, template): + """Get the template source, filename and reload helper for a template. + It's passed the environment and template name and has to return a + tuple in the form ``(source, filename, uptodate)`` or raise a + `TemplateNotFound` error if it can't locate the template. + + The source part of the returned tuple must be the source of the + template as unicode string or a ASCII bytestring. The filename should + be the name of the file on the filesystem if it was loaded from there, + otherwise `None`. The filename is used by python for the tracebacks + if no loader extension is used. + + The last item in the tuple is the `uptodate` function. If auto + reloading is enabled it's always called to check if the template + changed. No arguments are passed so the function must store the + old state somewhere (for example in a closure). If it returns `False` + the template will be reloaded. + """ + if not self.has_source_access: + raise RuntimeError('%s cannot provide access to the source' % + self.__class__.__name__) + raise TemplateNotFound(template) + + def list_templates(self): + """Iterates over all templates. If the loader does not support that + it should raise a :exc:`TypeError` which is the default behavior. + """ + raise TypeError('this loader cannot iterate over all templates') + + @internalcode + def load(self, environment, name, globals=None): + """Loads a template. This method looks up the template in the cache + or loads one by calling :meth:`get_source`. Subclasses should not + override this method as loaders working on collections of other + loaders (such as :class:`PrefixLoader` or :class:`ChoiceLoader`) + will not call this method but `get_source` directly. + """ + code = None + if globals is None: + globals = {} + + # first we try to get the source for this template together + # with the filename and the uptodate function. + source, filename, uptodate = self.get_source(environment, name) + + # try to load the code from the bytecode cache if there is a + # bytecode cache configured. + bcc = environment.bytecode_cache + if bcc is not None: + bucket = bcc.get_bucket(environment, name, filename, source) + code = bucket.code + + # if we don't have code so far (not cached, no longer up to + # date) etc. we compile the template + if code is None: + code = environment.compile(source, name, filename) + + # if the bytecode cache is available and the bucket doesn't + # have a code so far, we give the bucket the new code and put + # it back to the bytecode cache. + if bcc is not None and bucket.code is None: + bucket.code = code + bcc.set_bucket(bucket) + + return environment.template_class.from_code(environment, code, + globals, uptodate) + + +class FileSystemLoader(BaseLoader): + """Loads templates from the file system. This loader can find templates + in folders on the file system and is the preferred way to load them. + + The loader takes the path to the templates as string, or if multiple + locations are wanted a list of them which is then looked up in the + given order: + + >>> loader = FileSystemLoader('/path/to/templates') + >>> loader = FileSystemLoader(['/path/to/templates', '/other/path']) + + Per default the template encoding is ``'utf-8'`` which can be changed + by setting the `encoding` parameter to something else. + """ + + def __init__(self, searchpath, encoding='utf-8'): + if isinstance(searchpath, string_types): + searchpath = [searchpath] + self.searchpath = list(searchpath) + self.encoding = encoding + + def get_source(self, environment, template): + pieces = split_template_path(template) + for searchpath in self.searchpath: + filename = path.join(searchpath, *pieces) + f = open_if_exists(filename) + if f is None: + continue + try: + contents = f.read().decode(self.encoding) + finally: + f.close() + + mtime = path.getmtime(filename) + def uptodate(): + try: + return path.getmtime(filename) == mtime + except OSError: + return False + return contents, filename, uptodate + raise TemplateNotFound(template) + + def list_templates(self): + found = set() + for searchpath in self.searchpath: + for dirpath, dirnames, filenames in os.walk(searchpath): + for filename in filenames: + template = os.path.join(dirpath, filename) \ + [len(searchpath):].strip(os.path.sep) \ + .replace(os.path.sep, '/') + if template[:2] == './': + template = template[2:] + if template not in found: + found.add(template) + return sorted(found) + + +class PackageLoader(BaseLoader): + """Load templates from python eggs or packages. It is constructed with + the name of the python package and the path to the templates in that + package:: + + loader = PackageLoader('mypackage', 'views') + + If the package path is not given, ``'templates'`` is assumed. + + Per default the template encoding is ``'utf-8'`` which can be changed + by setting the `encoding` parameter to something else. Due to the nature + of eggs it's only possible to reload templates if the package was loaded + from the file system and not a zip file. + """ + + def __init__(self, package_name, package_path='templates', + encoding='utf-8'): + from pkg_resources import DefaultProvider, ResourceManager, \ + get_provider + provider = get_provider(package_name) + self.encoding = encoding + self.manager = ResourceManager() + self.filesystem_bound = isinstance(provider, DefaultProvider) + self.provider = provider + self.package_path = package_path + + def get_source(self, environment, template): + pieces = split_template_path(template) + p = '/'.join((self.package_path,) + tuple(pieces)) + if not self.provider.has_resource(p): + raise TemplateNotFound(template) + + filename = uptodate = None + if self.filesystem_bound: + filename = self.provider.get_resource_filename(self.manager, p) + mtime = path.getmtime(filename) + def uptodate(): + try: + return path.getmtime(filename) == mtime + except OSError: + return False + + source = self.provider.get_resource_string(self.manager, p) + return source.decode(self.encoding), filename, uptodate + + def list_templates(self): + path = self.package_path + if path[:2] == './': + path = path[2:] + elif path == '.': + path = '' + offset = len(path) + results = [] + def _walk(path): + for filename in self.provider.resource_listdir(path): + fullname = path + '/' + filename + if self.provider.resource_isdir(fullname): + _walk(fullname) + else: + results.append(fullname[offset:].lstrip('/')) + _walk(path) + results.sort() + return results + + +class DictLoader(BaseLoader): + """Loads a template from a python dict. It's passed a dict of unicode + strings bound to template names. This loader is useful for unittesting: + + >>> loader = DictLoader({'index.html': 'source here'}) + + Because auto reloading is rarely useful this is disabled per default. + """ + + def __init__(self, mapping): + self.mapping = mapping + + def get_source(self, environment, template): + if template in self.mapping: + source = self.mapping[template] + return source, None, lambda: source == self.mapping.get(template) + raise TemplateNotFound(template) + + def list_templates(self): + return sorted(self.mapping) + + +class FunctionLoader(BaseLoader): + """A loader that is passed a function which does the loading. The + function becomes the name of the template passed and has to return either + an unicode string with the template source, a tuple in the form ``(source, + filename, uptodatefunc)`` or `None` if the template does not exist. + + >>> def load_template(name): + ... if name == 'index.html': + ... return '...' + ... + >>> loader = FunctionLoader(load_template) + + The `uptodatefunc` is a function that is called if autoreload is enabled + and has to return `True` if the template is still up to date. For more + details have a look at :meth:`BaseLoader.get_source` which has the same + return value. + """ + + def __init__(self, load_func): + self.load_func = load_func + + def get_source(self, environment, template): + rv = self.load_func(template) + if rv is None: + raise TemplateNotFound(template) + elif isinstance(rv, string_types): + return rv, None, None + return rv + + +class PrefixLoader(BaseLoader): + """A loader that is passed a dict of loaders where each loader is bound + to a prefix. The prefix is delimited from the template by a slash per + default, which can be changed by setting the `delimiter` argument to + something else:: + + loader = PrefixLoader({ + 'app1': PackageLoader('mypackage.app1'), + 'app2': PackageLoader('mypackage.app2') + }) + + By loading ``'app1/index.html'`` the file from the app1 package is loaded, + by loading ``'app2/index.html'`` the file from the second. + """ + + def __init__(self, mapping, delimiter='/'): + self.mapping = mapping + self.delimiter = delimiter + + def get_loader(self, template): + try: + prefix, name = template.split(self.delimiter, 1) + loader = self.mapping[prefix] + except (ValueError, KeyError): + raise TemplateNotFound(template) + return loader, name + + def get_source(self, environment, template): + loader, name = self.get_loader(template) + try: + return loader.get_source(environment, name) + except TemplateNotFound: + # re-raise the exception with the correct fileame here. + # (the one that includes the prefix) + raise TemplateNotFound(template) + + @internalcode + def load(self, environment, name, globals=None): + loader, local_name = self.get_loader(name) + try: + return loader.load(environment, local_name, globals) + except TemplateNotFound: + # re-raise the exception with the correct fileame here. + # (the one that includes the prefix) + raise TemplateNotFound(name) + + def list_templates(self): + result = [] + for prefix, loader in iteritems(self.mapping): + for template in loader.list_templates(): + result.append(prefix + self.delimiter + template) + return result + + +class ChoiceLoader(BaseLoader): + """This loader works like the `PrefixLoader` just that no prefix is + specified. If a template could not be found by one loader the next one + is tried. + + >>> loader = ChoiceLoader([ + ... FileSystemLoader('/path/to/user/templates'), + ... FileSystemLoader('/path/to/system/templates') + ... ]) + + This is useful if you want to allow users to override builtin templates + from a different location. + """ + + def __init__(self, loaders): + self.loaders = loaders + + def get_source(self, environment, template): + for loader in self.loaders: + try: + return loader.get_source(environment, template) + except TemplateNotFound: + pass + raise TemplateNotFound(template) + + @internalcode + def load(self, environment, name, globals=None): + for loader in self.loaders: + try: + return loader.load(environment, name, globals) + except TemplateNotFound: + pass + raise TemplateNotFound(name) + + def list_templates(self): + found = set() + for loader in self.loaders: + found.update(loader.list_templates()) + return sorted(found) + + +class _TemplateModule(ModuleType): + """Like a normal module but with support for weak references""" + + +class ModuleLoader(BaseLoader): + """This loader loads templates from precompiled templates. + + Example usage: + + >>> loader = ChoiceLoader([ + ... ModuleLoader('/path/to/compiled/templates'), + ... FileSystemLoader('/path/to/templates') + ... ]) + + Templates can be precompiled with :meth:`Environment.compile_templates`. + """ + + has_source_access = False + + def __init__(self, path): + package_name = '_jinja2_module_templates_%x' % id(self) + + # create a fake module that looks for the templates in the + # path given. + mod = _TemplateModule(package_name) + if isinstance(path, string_types): + path = [path] + else: + path = list(path) + mod.__path__ = path + + sys.modules[package_name] = weakref.proxy(mod, + lambda x: sys.modules.pop(package_name, None)) + + # the only strong reference, the sys.modules entry is weak + # so that the garbage collector can remove it once the + # loader that created it goes out of business. + self.module = mod + self.package_name = package_name + + @staticmethod + def get_template_key(name): + return 'tmpl_' + sha1(name.encode('utf-8')).hexdigest() + + @staticmethod + def get_module_filename(name): + return ModuleLoader.get_template_key(name) + '.py' + + @internalcode + def load(self, environment, name, globals=None): + key = self.get_template_key(name) + module = '%s.%s' % (self.package_name, key) + mod = getattr(self.module, module, None) + if mod is None: + try: + mod = __import__(module, None, None, ['root']) + except ImportError: + raise TemplateNotFound(name) + + # remove the entry from sys.modules, we only want the attribute + # on the module object we have stored on the loader. + sys.modules.pop(module, None) + + return environment.template_class.from_module_dict( + environment, mod.__dict__, globals) diff --git a/pyload/lib/jinja2/meta.py b/pyload/lib/jinja2/meta.py new file mode 100644 index 000000000..3110cff60 --- /dev/null +++ b/pyload/lib/jinja2/meta.py @@ -0,0 +1,103 @@ +# -*- coding: utf-8 -*- +""" + jinja2.meta + ~~~~~~~~~~~ + + This module implements various functions that exposes information about + templates that might be interesting for various kinds of applications. + + :copyright: (c) 2010 by the Jinja Team, see AUTHORS for more details. + :license: BSD, see LICENSE for more details. +""" +from jinja2 import nodes +from jinja2.compiler import CodeGenerator +from jinja2._compat import string_types + + +class TrackingCodeGenerator(CodeGenerator): + """We abuse the code generator for introspection.""" + + def __init__(self, environment): + CodeGenerator.__init__(self, environment, '<introspection>', + '<introspection>') + self.undeclared_identifiers = set() + + def write(self, x): + """Don't write.""" + + def pull_locals(self, frame): + """Remember all undeclared identifiers.""" + self.undeclared_identifiers.update(frame.identifiers.undeclared) + + +def find_undeclared_variables(ast): + """Returns a set of all variables in the AST that will be looked up from + the context at runtime. Because at compile time it's not known which + variables will be used depending on the path the execution takes at + runtime, all variables are returned. + + >>> from jinja2 import Environment, meta + >>> env = Environment() + >>> ast = env.parse('{% set foo = 42 %}{{ bar + foo }}') + >>> meta.find_undeclared_variables(ast) + set(['bar']) + + .. admonition:: Implementation + + Internally the code generator is used for finding undeclared variables. + This is good to know because the code generator might raise a + :exc:`TemplateAssertionError` during compilation and as a matter of + fact this function can currently raise that exception as well. + """ + codegen = TrackingCodeGenerator(ast.environment) + codegen.visit(ast) + return codegen.undeclared_identifiers + + +def find_referenced_templates(ast): + """Finds all the referenced templates from the AST. This will return an + iterator over all the hardcoded template extensions, inclusions and + imports. If dynamic inheritance or inclusion is used, `None` will be + yielded. + + >>> from jinja2 import Environment, meta + >>> env = Environment() + >>> ast = env.parse('{% extends "layout.html" %}{% include helper %}') + >>> list(meta.find_referenced_templates(ast)) + ['layout.html', None] + + This function is useful for dependency tracking. For example if you want + to rebuild parts of the website after a layout template has changed. + """ + for node in ast.find_all((nodes.Extends, nodes.FromImport, nodes.Import, + nodes.Include)): + if not isinstance(node.template, nodes.Const): + # a tuple with some non consts in there + if isinstance(node.template, (nodes.Tuple, nodes.List)): + for template_name in node.template.items: + # something const, only yield the strings and ignore + # non-string consts that really just make no sense + if isinstance(template_name, nodes.Const): + if isinstance(template_name.value, string_types): + yield template_name.value + # something dynamic in there + else: + yield None + # something dynamic we don't know about here + else: + yield None + continue + # constant is a basestring, direct template name + if isinstance(node.template.value, string_types): + yield node.template.value + # a tuple or list (latter *should* not happen) made of consts, + # yield the consts that are strings. We could warn here for + # non string values + elif isinstance(node, nodes.Include) and \ + isinstance(node.template.value, (tuple, list)): + for template_name in node.template.value: + if isinstance(template_name, string_types): + yield template_name + # something else we don't care about, we could warn here + else: + yield None diff --git a/pyload/lib/jinja2/nodes.py b/pyload/lib/jinja2/nodes.py new file mode 100644 index 000000000..c5697e6b5 --- /dev/null +++ b/pyload/lib/jinja2/nodes.py @@ -0,0 +1,914 @@ +# -*- coding: utf-8 -*- +""" + jinja2.nodes + ~~~~~~~~~~~~ + + This module implements additional nodes derived from the ast base node. + + It also provides some node tree helper functions like `in_lineno` and + `get_nodes` used by the parser and translator in order to normalize + python and jinja nodes. + + :copyright: (c) 2010 by the Jinja Team. + :license: BSD, see LICENSE for more details. +""" +import operator + +from collections import deque +from jinja2.utils import Markup +from jinja2._compat import next, izip, with_metaclass, text_type, \ + method_type, function_type + + +#: the types we support for context functions +_context_function_types = (function_type, method_type) + + +_binop_to_func = { + '*': operator.mul, + '/': operator.truediv, + '//': operator.floordiv, + '**': operator.pow, + '%': operator.mod, + '+': operator.add, + '-': operator.sub +} + +_uaop_to_func = { + 'not': operator.not_, + '+': operator.pos, + '-': operator.neg +} + +_cmpop_to_func = { + 'eq': operator.eq, + 'ne': operator.ne, + 'gt': operator.gt, + 'gteq': operator.ge, + 'lt': operator.lt, + 'lteq': operator.le, + 'in': lambda a, b: a in b, + 'notin': lambda a, b: a not in b +} + + +class Impossible(Exception): + """Raised if the node could not perform a requested action.""" + + +class NodeType(type): + """A metaclass for nodes that handles the field and attribute + inheritance. fields and attributes from the parent class are + automatically forwarded to the child.""" + + def __new__(cls, name, bases, d): + for attr in 'fields', 'attributes': + storage = [] + storage.extend(getattr(bases[0], attr, ())) + storage.extend(d.get(attr, ())) + assert len(bases) == 1, 'multiple inheritance not allowed' + assert len(storage) == len(set(storage)), 'layout conflict' + d[attr] = tuple(storage) + d.setdefault('abstract', False) + return type.__new__(cls, name, bases, d) + + +class EvalContext(object): + """Holds evaluation time information. Custom attributes can be attached + to it in extensions. + """ + + def __init__(self, environment, template_name=None): + self.environment = environment + if callable(environment.autoescape): + self.autoescape = environment.autoescape(template_name) + else: + self.autoescape = environment.autoescape + self.volatile = False + + def save(self): + return self.__dict__.copy() + + def revert(self, old): + self.__dict__.clear() + self.__dict__.update(old) + + +def get_eval_context(node, ctx): + if ctx is None: + if node.environment is None: + raise RuntimeError('if no eval context is passed, the ' + 'node must have an attached ' + 'environment.') + return EvalContext(node.environment) + return ctx + + +class Node(with_metaclass(NodeType, object)): + """Baseclass for all Jinja2 nodes. There are a number of nodes available + of different types. There are four major types: + + - :class:`Stmt`: statements + - :class:`Expr`: expressions + - :class:`Helper`: helper nodes + - :class:`Template`: the outermost wrapper node + + All nodes have fields and attributes. Fields may be other nodes, lists, + or arbitrary values. Fields are passed to the constructor as regular + positional arguments, attributes as keyword arguments. Each node has + two attributes: `lineno` (the line number of the node) and `environment`. + The `environment` attribute is set at the end of the parsing process for + all nodes automatically. + """ + fields = () + attributes = ('lineno', 'environment') + abstract = True + + def __init__(self, *fields, **attributes): + if self.abstract: + raise TypeError('abstract nodes are not instanciable') + if fields: + if len(fields) != len(self.fields): + if not self.fields: + raise TypeError('%r takes 0 arguments' % + self.__class__.__name__) + raise TypeError('%r takes 0 or %d argument%s' % ( + self.__class__.__name__, + len(self.fields), + len(self.fields) != 1 and 's' or '' + )) + for name, arg in izip(self.fields, fields): + setattr(self, name, arg) + for attr in self.attributes: + setattr(self, attr, attributes.pop(attr, None)) + if attributes: + raise TypeError('unknown attribute %r' % + next(iter(attributes))) + + def iter_fields(self, exclude=None, only=None): + """This method iterates over all fields that are defined and yields + ``(key, value)`` tuples. Per default all fields are returned, but + it's possible to limit that to some fields by providing the `only` + parameter or to exclude some using the `exclude` parameter. Both + should be sets or tuples of field names. + """ + for name in self.fields: + if (exclude is only is None) or \ + (exclude is not None and name not in exclude) or \ + (only is not None and name in only): + try: + yield name, getattr(self, name) + except AttributeError: + pass + + def iter_child_nodes(self, exclude=None, only=None): + """Iterates over all direct child nodes of the node. This iterates + over all fields and yields the values of they are nodes. If the value + of a field is a list all the nodes in that list are returned. + """ + for field, item in self.iter_fields(exclude, only): + if isinstance(item, list): + for n in item: + if isinstance(n, Node): + yield n + elif isinstance(item, Node): + yield item + + def find(self, node_type): + """Find the first node of a given type. If no such node exists the + return value is `None`. + """ + for result in self.find_all(node_type): + return result + + def find_all(self, node_type): + """Find all the nodes of a given type. If the type is a tuple, + the check is performed for any of the tuple items. + """ + for child in self.iter_child_nodes(): + if isinstance(child, node_type): + yield child + for result in child.find_all(node_type): + yield result + + def set_ctx(self, ctx): + """Reset the context of a node and all child nodes. Per default the + parser will all generate nodes that have a 'load' context as it's the + most common one. This method is used in the parser to set assignment + targets and other nodes to a store context. + """ + todo = deque([self]) + while todo: + node = todo.popleft() + if 'ctx' in node.fields: + node.ctx = ctx + todo.extend(node.iter_child_nodes()) + return self + + def set_lineno(self, lineno, override=False): + """Set the line numbers of the node and children.""" + todo = deque([self]) + while todo: + node = todo.popleft() + if 'lineno' in node.attributes: + if node.lineno is None or override: + node.lineno = lineno + todo.extend(node.iter_child_nodes()) + return self + + def set_environment(self, environment): + """Set the environment for all nodes.""" + todo = deque([self]) + while todo: + node = todo.popleft() + node.environment = environment + todo.extend(node.iter_child_nodes()) + return self + + def __eq__(self, other): + return type(self) is type(other) and \ + tuple(self.iter_fields()) == tuple(other.iter_fields()) + + def __ne__(self, other): + return not self.__eq__(other) + + # Restore Python 2 hashing behavior on Python 3 + __hash__ = object.__hash__ + + def __repr__(self): + return '%s(%s)' % ( + self.__class__.__name__, + ', '.join('%s=%r' % (arg, getattr(self, arg, None)) for + arg in self.fields) + ) + + +class Stmt(Node): + """Base node for all statements.""" + abstract = True + + +class Helper(Node): + """Nodes that exist in a specific context only.""" + abstract = True + + +class Template(Node): + """Node that represents a template. This must be the outermost node that + is passed to the compiler. + """ + fields = ('body',) + + +class Output(Stmt): + """A node that holds multiple expressions which are then printed out. + This is used both for the `print` statement and the regular template data. + """ + fields = ('nodes',) + + +class Extends(Stmt): + """Represents an extends statement.""" + fields = ('template',) + + +class For(Stmt): + """The for loop. `target` is the target for the iteration (usually a + :class:`Name` or :class:`Tuple`), `iter` the iterable. `body` is a list + of nodes that are used as loop-body, and `else_` a list of nodes for the + `else` block. If no else node exists it has to be an empty list. + + For filtered nodes an expression can be stored as `test`, otherwise `None`. + """ + fields = ('target', 'iter', 'body', 'else_', 'test', 'recursive') + + +class If(Stmt): + """If `test` is true, `body` is rendered, else `else_`.""" + fields = ('test', 'body', 'else_') + + +class Macro(Stmt): + """A macro definition. `name` is the name of the macro, `args` a list of + arguments and `defaults` a list of defaults if there are any. `body` is + a list of nodes for the macro body. + """ + fields = ('name', 'args', 'defaults', 'body') + + +class CallBlock(Stmt): + """Like a macro without a name but a call instead. `call` is called with + the unnamed macro as `caller` argument this node holds. + """ + fields = ('call', 'args', 'defaults', 'body') + + +class FilterBlock(Stmt): + """Node for filter sections.""" + fields = ('body', 'filter') + + +class Block(Stmt): + """A node that represents a block.""" + fields = ('name', 'body', 'scoped') + + +class Include(Stmt): + """A node that represents the include tag.""" + fields = ('template', 'with_context', 'ignore_missing') + + +class Import(Stmt): + """A node that represents the import tag.""" + fields = ('template', 'target', 'with_context') + + +class FromImport(Stmt): + """A node that represents the from import tag. It's important to not + pass unsafe names to the name attribute. The compiler translates the + attribute lookups directly into getattr calls and does *not* use the + subscript callback of the interface. As exported variables may not + start with double underscores (which the parser asserts) this is not a + problem for regular Jinja code, but if this node is used in an extension + extra care must be taken. + + The list of names may contain tuples if aliases are wanted. + """ + fields = ('template', 'names', 'with_context') + + +class ExprStmt(Stmt): + """A statement that evaluates an expression and discards the result.""" + fields = ('node',) + + +class Assign(Stmt): + """Assigns an expression to a target.""" + fields = ('target', 'node') + + +class Expr(Node): + """Baseclass for all expressions.""" + abstract = True + + def as_const(self, eval_ctx=None): + """Return the value of the expression as constant or raise + :exc:`Impossible` if this was not possible. + + An :class:`EvalContext` can be provided, if none is given + a default context is created which requires the nodes to have + an attached environment. + + .. versionchanged:: 2.4 + the `eval_ctx` parameter was added. + """ + raise Impossible() + + def can_assign(self): + """Check if it's possible to assign something to this node.""" + return False + + +class BinExpr(Expr): + """Baseclass for all binary expressions.""" + fields = ('left', 'right') + operator = None + abstract = True + + def as_const(self, eval_ctx=None): + eval_ctx = get_eval_context(self, eval_ctx) + # intercepted operators cannot be folded at compile time + if self.environment.sandboxed and \ + self.operator in self.environment.intercepted_binops: + raise Impossible() + f = _binop_to_func[self.operator] + try: + return f(self.left.as_const(eval_ctx), self.right.as_const(eval_ctx)) + except Exception: + raise Impossible() + + +class UnaryExpr(Expr): + """Baseclass for all unary expressions.""" + fields = ('node',) + operator = None + abstract = True + + def as_const(self, eval_ctx=None): + eval_ctx = get_eval_context(self, eval_ctx) + # intercepted operators cannot be folded at compile time + if self.environment.sandboxed and \ + self.operator in self.environment.intercepted_unops: + raise Impossible() + f = _uaop_to_func[self.operator] + try: + return f(self.node.as_const(eval_ctx)) + except Exception: + raise Impossible() + + +class Name(Expr): + """Looks up a name or stores a value in a name. + The `ctx` of the node can be one of the following values: + + - `store`: store a value in the name + - `load`: load that name + - `param`: like `store` but if the name was defined as function parameter. + """ + fields = ('name', 'ctx') + + def can_assign(self): + return self.name not in ('true', 'false', 'none', + 'True', 'False', 'None') + + +class Literal(Expr): + """Baseclass for literals.""" + abstract = True + + +class Const(Literal): + """All constant values. The parser will return this node for simple + constants such as ``42`` or ``"foo"`` but it can be used to store more + complex values such as lists too. Only constants with a safe + representation (objects where ``eval(repr(x)) == x`` is true). + """ + fields = ('value',) + + def as_const(self, eval_ctx=None): + return self.value + + @classmethod + def from_untrusted(cls, value, lineno=None, environment=None): + """Return a const object if the value is representable as + constant value in the generated code, otherwise it will raise + an `Impossible` exception. + """ + from .compiler import has_safe_repr + if not has_safe_repr(value): + raise Impossible() + return cls(value, lineno=lineno, environment=environment) + + +class TemplateData(Literal): + """A constant template string.""" + fields = ('data',) + + def as_const(self, eval_ctx=None): + eval_ctx = get_eval_context(self, eval_ctx) + if eval_ctx.volatile: + raise Impossible() + if eval_ctx.autoescape: + return Markup(self.data) + return self.data + + +class Tuple(Literal): + """For loop unpacking and some other things like multiple arguments + for subscripts. Like for :class:`Name` `ctx` specifies if the tuple + is used for loading the names or storing. + """ + fields = ('items', 'ctx') + + def as_const(self, eval_ctx=None): + eval_ctx = get_eval_context(self, eval_ctx) + return tuple(x.as_const(eval_ctx) for x in self.items) + + def can_assign(self): + for item in self.items: + if not item.can_assign(): + return False + return True + + +class List(Literal): + """Any list literal such as ``[1, 2, 3]``""" + fields = ('items',) + + def as_const(self, eval_ctx=None): + eval_ctx = get_eval_context(self, eval_ctx) + return [x.as_const(eval_ctx) for x in self.items] + + +class Dict(Literal): + """Any dict literal such as ``{1: 2, 3: 4}``. The items must be a list of + :class:`Pair` nodes. + """ + fields = ('items',) + + def as_const(self, eval_ctx=None): + eval_ctx = get_eval_context(self, eval_ctx) + return dict(x.as_const(eval_ctx) for x in self.items) + + +class Pair(Helper): + """A key, value pair for dicts.""" + fields = ('key', 'value') + + def as_const(self, eval_ctx=None): + eval_ctx = get_eval_context(self, eval_ctx) + return self.key.as_const(eval_ctx), self.value.as_const(eval_ctx) + + +class Keyword(Helper): + """A key, value pair for keyword arguments where key is a string.""" + fields = ('key', 'value') + + def as_const(self, eval_ctx=None): + eval_ctx = get_eval_context(self, eval_ctx) + return self.key, self.value.as_const(eval_ctx) + + +class CondExpr(Expr): + """A conditional expression (inline if expression). (``{{ + foo if bar else baz }}``) + """ + fields = ('test', 'expr1', 'expr2') + + def as_const(self, eval_ctx=None): + eval_ctx = get_eval_context(self, eval_ctx) + if self.test.as_const(eval_ctx): + return self.expr1.as_const(eval_ctx) + + # if we evaluate to an undefined object, we better do that at runtime + if self.expr2 is None: + raise Impossible() + + return self.expr2.as_const(eval_ctx) + + +class Filter(Expr): + """This node applies a filter on an expression. `name` is the name of + the filter, the rest of the fields are the same as for :class:`Call`. + + If the `node` of a filter is `None` the contents of the last buffer are + filtered. Buffers are created by macros and filter blocks. + """ + fields = ('node', 'name', 'args', 'kwargs', 'dyn_args', 'dyn_kwargs') + + def as_const(self, eval_ctx=None): + eval_ctx = get_eval_context(self, eval_ctx) + if eval_ctx.volatile or self.node is None: + raise Impossible() + # we have to be careful here because we call filter_ below. + # if this variable would be called filter, 2to3 would wrap the + # call in a list beause it is assuming we are talking about the + # builtin filter function here which no longer returns a list in + # python 3. because of that, do not rename filter_ to filter! + filter_ = self.environment.filters.get(self.name) + if filter_ is None or getattr(filter_, 'contextfilter', False): + raise Impossible() + obj = self.node.as_const(eval_ctx) + args = [x.as_const(eval_ctx) for x in self.args] + if getattr(filter_, 'evalcontextfilter', False): + args.insert(0, eval_ctx) + elif getattr(filter_, 'environmentfilter', False): + args.insert(0, self.environment) + kwargs = dict(x.as_const(eval_ctx) for x in self.kwargs) + if self.dyn_args is not None: + try: + args.extend(self.dyn_args.as_const(eval_ctx)) + except Exception: + raise Impossible() + if self.dyn_kwargs is not None: + try: + kwargs.update(self.dyn_kwargs.as_const(eval_ctx)) + except Exception: + raise Impossible() + try: + return filter_(obj, *args, **kwargs) + except Exception: + raise Impossible() + + +class Test(Expr): + """Applies a test on an expression. `name` is the name of the test, the + rest of the fields are the same as for :class:`Call`. + """ + fields = ('node', 'name', 'args', 'kwargs', 'dyn_args', 'dyn_kwargs') + + +class Call(Expr): + """Calls an expression. `args` is a list of arguments, `kwargs` a list + of keyword arguments (list of :class:`Keyword` nodes), and `dyn_args` + and `dyn_kwargs` has to be either `None` or a node that is used as + node for dynamic positional (``*args``) or keyword (``**kwargs``) + arguments. + """ + fields = ('node', 'args', 'kwargs', 'dyn_args', 'dyn_kwargs') + + def as_const(self, eval_ctx=None): + eval_ctx = get_eval_context(self, eval_ctx) + if eval_ctx.volatile: + raise Impossible() + obj = self.node.as_const(eval_ctx) + + # don't evaluate context functions + args = [x.as_const(eval_ctx) for x in self.args] + if isinstance(obj, _context_function_types): + if getattr(obj, 'contextfunction', False): + raise Impossible() + elif getattr(obj, 'evalcontextfunction', False): + args.insert(0, eval_ctx) + elif getattr(obj, 'environmentfunction', False): + args.insert(0, self.environment) + + kwargs = dict(x.as_const(eval_ctx) for x in self.kwargs) + if self.dyn_args is not None: + try: + args.extend(self.dyn_args.as_const(eval_ctx)) + except Exception: + raise Impossible() + if self.dyn_kwargs is not None: + try: + kwargs.update(self.dyn_kwargs.as_const(eval_ctx)) + except Exception: + raise Impossible() + try: + return obj(*args, **kwargs) + except Exception: + raise Impossible() + + +class Getitem(Expr): + """Get an attribute or item from an expression and prefer the item.""" + fields = ('node', 'arg', 'ctx') + + def as_const(self, eval_ctx=None): + eval_ctx = get_eval_context(self, eval_ctx) + if self.ctx != 'load': + raise Impossible() + try: + return self.environment.getitem(self.node.as_const(eval_ctx), + self.arg.as_const(eval_ctx)) + except Exception: + raise Impossible() + + def can_assign(self): + return False + + +class Getattr(Expr): + """Get an attribute or item from an expression that is a ascii-only + bytestring and prefer the attribute. + """ + fields = ('node', 'attr', 'ctx') + + def as_const(self, eval_ctx=None): + if self.ctx != 'load': + raise Impossible() + try: + eval_ctx = get_eval_context(self, eval_ctx) + return self.environment.getattr(self.node.as_const(eval_ctx), + self.attr) + except Exception: + raise Impossible() + + def can_assign(self): + return False + + +class Slice(Expr): + """Represents a slice object. This must only be used as argument for + :class:`Subscript`. + """ + fields = ('start', 'stop', 'step') + + def as_const(self, eval_ctx=None): + eval_ctx = get_eval_context(self, eval_ctx) + def const(obj): + if obj is None: + return None + return obj.as_const(eval_ctx) + return slice(const(self.start), const(self.stop), const(self.step)) + + +class Concat(Expr): + """Concatenates the list of expressions provided after converting them to + unicode. + """ + fields = ('nodes',) + + def as_const(self, eval_ctx=None): + eval_ctx = get_eval_context(self, eval_ctx) + return ''.join(text_type(x.as_const(eval_ctx)) for x in self.nodes) + + +class Compare(Expr): + """Compares an expression with some other expressions. `ops` must be a + list of :class:`Operand`\s. + """ + fields = ('expr', 'ops') + + def as_const(self, eval_ctx=None): + eval_ctx = get_eval_context(self, eval_ctx) + result = value = self.expr.as_const(eval_ctx) + try: + for op in self.ops: + new_value = op.expr.as_const(eval_ctx) + result = _cmpop_to_func[op.op](value, new_value) + value = new_value + except Exception: + raise Impossible() + return result + + +class Operand(Helper): + """Holds an operator and an expression.""" + fields = ('op', 'expr') + +if __debug__: + Operand.__doc__ += '\nThe following operators are available: ' + \ + ', '.join(sorted('``%s``' % x for x in set(_binop_to_func) | + set(_uaop_to_func) | set(_cmpop_to_func))) + + +class Mul(BinExpr): + """Multiplies the left with the right node.""" + operator = '*' + + +class Div(BinExpr): + """Divides the left by the right node.""" + operator = '/' + + +class FloorDiv(BinExpr): + """Divides the left by the right node and truncates conver the + result into an integer by truncating. + """ + operator = '//' + + +class Add(BinExpr): + """Add the left to the right node.""" + operator = '+' + + +class Sub(BinExpr): + """Substract the right from the left node.""" + operator = '-' + + +class Mod(BinExpr): + """Left modulo right.""" + operator = '%' + + +class Pow(BinExpr): + """Left to the power of right.""" + operator = '**' + + +class And(BinExpr): + """Short circuited AND.""" + operator = 'and' + + def as_const(self, eval_ctx=None): + eval_ctx = get_eval_context(self, eval_ctx) + return self.left.as_const(eval_ctx) and self.right.as_const(eval_ctx) + + +class Or(BinExpr): + """Short circuited OR.""" + operator = 'or' + + def as_const(self, eval_ctx=None): + eval_ctx = get_eval_context(self, eval_ctx) + return self.left.as_const(eval_ctx) or self.right.as_const(eval_ctx) + + +class Not(UnaryExpr): + """Negate the expression.""" + operator = 'not' + + +class Neg(UnaryExpr): + """Make the expression negative.""" + operator = '-' + + +class Pos(UnaryExpr): + """Make the expression positive (noop for most expressions)""" + operator = '+' + + +# Helpers for extensions + + +class EnvironmentAttribute(Expr): + """Loads an attribute from the environment object. This is useful for + extensions that want to call a callback stored on the environment. + """ + fields = ('name',) + + +class ExtensionAttribute(Expr): + """Returns the attribute of an extension bound to the environment. + The identifier is the identifier of the :class:`Extension`. + + This node is usually constructed by calling the + :meth:`~jinja2.ext.Extension.attr` method on an extension. + """ + fields = ('identifier', 'name') + + +class ImportedName(Expr): + """If created with an import name the import name is returned on node + access. For example ``ImportedName('cgi.escape')`` returns the `escape` + function from the cgi module on evaluation. Imports are optimized by the + compiler so there is no need to assign them to local variables. + """ + fields = ('importname',) + + +class InternalName(Expr): + """An internal name in the compiler. You cannot create these nodes + yourself but the parser provides a + :meth:`~jinja2.parser.Parser.free_identifier` method that creates + a new identifier for you. This identifier is not available from the + template and is not threated specially by the compiler. + """ + fields = ('name',) + + def __init__(self): + raise TypeError('Can\'t create internal names. Use the ' + '`free_identifier` method on a parser.') + + +class MarkSafe(Expr): + """Mark the wrapped expression as safe (wrap it as `Markup`).""" + fields = ('expr',) + + def as_const(self, eval_ctx=None): + eval_ctx = get_eval_context(self, eval_ctx) + return Markup(self.expr.as_const(eval_ctx)) + + +class MarkSafeIfAutoescape(Expr): + """Mark the wrapped expression as safe (wrap it as `Markup`) but + only if autoescaping is active. + + .. versionadded:: 2.5 + """ + fields = ('expr',) + + def as_const(self, eval_ctx=None): + eval_ctx = get_eval_context(self, eval_ctx) + if eval_ctx.volatile: + raise Impossible() + expr = self.expr.as_const(eval_ctx) + if eval_ctx.autoescape: + return Markup(expr) + return expr + + +class ContextReference(Expr): + """Returns the current template context. It can be used like a + :class:`Name` node, with a ``'load'`` ctx and will return the + current :class:`~jinja2.runtime.Context` object. + + Here an example that assigns the current template name to a + variable named `foo`:: + + Assign(Name('foo', ctx='store'), + Getattr(ContextReference(), 'name')) + """ + + +class Continue(Stmt): + """Continue a loop.""" + + +class Break(Stmt): + """Break a loop.""" + + +class Scope(Stmt): + """An artificial scope.""" + fields = ('body',) + + +class EvalContextModifier(Stmt): + """Modifies the eval context. For each option that should be modified, + a :class:`Keyword` has to be added to the :attr:`options` list. + + Example to change the `autoescape` setting:: + + EvalContextModifier(options=[Keyword('autoescape', Const(True))]) + """ + fields = ('options',) + + +class ScopedEvalContextModifier(EvalContextModifier): + """Modifies the eval context and reverts it later. Works exactly like + :class:`EvalContextModifier` but will only modify the + :class:`~jinja2.nodes.EvalContext` for nodes in the :attr:`body`. + """ + fields = ('body',) + + +# make sure nobody creates custom nodes +def _failing_new(*args, **kwargs): + raise TypeError('can\'t create custom node types') +NodeType.__new__ = staticmethod(_failing_new); del _failing_new diff --git a/pyload/lib/jinja2/optimizer.py b/pyload/lib/jinja2/optimizer.py new file mode 100644 index 000000000..00eab115e --- /dev/null +++ b/pyload/lib/jinja2/optimizer.py @@ -0,0 +1,68 @@ +# -*- coding: utf-8 -*- +""" + jinja2.optimizer + ~~~~~~~~~~~~~~~~ + + The jinja optimizer is currently trying to constant fold a few expressions + and modify the AST in place so that it should be easier to evaluate it. + + Because the AST does not contain all the scoping information and the + compiler has to find that out, we cannot do all the optimizations we + want. For example loop unrolling doesn't work because unrolled loops would + have a different scoping. + + The solution would be a second syntax tree that has the scoping rules stored. + + :copyright: (c) 2010 by the Jinja Team. + :license: BSD. +""" +from jinja2 import nodes +from jinja2.visitor import NodeTransformer + + +def optimize(node, environment): + """The context hint can be used to perform an static optimization + based on the context given.""" + optimizer = Optimizer(environment) + return optimizer.visit(node) + + +class Optimizer(NodeTransformer): + + def __init__(self, environment): + self.environment = environment + + def visit_If(self, node): + """Eliminate dead code.""" + # do not optimize ifs that have a block inside so that it doesn't + # break super(). + if node.find(nodes.Block) is not None: + return self.generic_visit(node) + try: + val = self.visit(node.test).as_const() + except nodes.Impossible: + return self.generic_visit(node) + if val: + body = node.body + else: + body = node.else_ + result = [] + for node in body: + result.extend(self.visit_list(node)) + return result + + def fold(self, node): + """Do constant folding.""" + node = self.generic_visit(node) + try: + return nodes.Const.from_untrusted(node.as_const(), + lineno=node.lineno, + environment=self.environment) + except nodes.Impossible: + return node + + visit_Add = visit_Sub = visit_Mul = visit_Div = visit_FloorDiv = \ + visit_Pow = visit_Mod = visit_And = visit_Or = visit_Pos = visit_Neg = \ + visit_Not = visit_Compare = visit_Getitem = visit_Getattr = visit_Call = \ + visit_Filter = visit_Test = visit_CondExpr = fold + del fold diff --git a/pyload/lib/jinja2/parser.py b/pyload/lib/jinja2/parser.py new file mode 100644 index 000000000..f60cd018c --- /dev/null +++ b/pyload/lib/jinja2/parser.py @@ -0,0 +1,895 @@ +# -*- coding: utf-8 -*- +""" + jinja2.parser + ~~~~~~~~~~~~~ + + Implements the template parser. + + :copyright: (c) 2010 by the Jinja Team. + :license: BSD, see LICENSE for more details. +""" +from jinja2 import nodes +from jinja2.exceptions import TemplateSyntaxError, TemplateAssertionError +from jinja2.lexer import describe_token, describe_token_expr +from jinja2._compat import next, imap + + +#: statements that callinto +_statement_keywords = frozenset(['for', 'if', 'block', 'extends', 'print', + 'macro', 'include', 'from', 'import', + 'set']) +_compare_operators = frozenset(['eq', 'ne', 'lt', 'lteq', 'gt', 'gteq']) + + +class Parser(object): + """This is the central parsing class Jinja2 uses. It's passed to + extensions and can be used to parse expressions or statements. + """ + + def __init__(self, environment, source, name=None, filename=None, + state=None): + self.environment = environment + self.stream = environment._tokenize(source, name, filename, state) + self.name = name + self.filename = filename + self.closed = False + self.extensions = {} + for extension in environment.iter_extensions(): + for tag in extension.tags: + self.extensions[tag] = extension.parse + self._last_identifier = 0 + self._tag_stack = [] + self._end_token_stack = [] + + def fail(self, msg, lineno=None, exc=TemplateSyntaxError): + """Convenience method that raises `exc` with the message, passed + line number or last line number as well as the current name and + filename. + """ + if lineno is None: + lineno = self.stream.current.lineno + raise exc(msg, lineno, self.name, self.filename) + + def _fail_ut_eof(self, name, end_token_stack, lineno): + expected = [] + for exprs in end_token_stack: + expected.extend(imap(describe_token_expr, exprs)) + if end_token_stack: + currently_looking = ' or '.join( + "'%s'" % describe_token_expr(expr) + for expr in end_token_stack[-1]) + else: + currently_looking = None + + if name is None: + message = ['Unexpected end of template.'] + else: + message = ['Encountered unknown tag \'%s\'.' % name] + + if currently_looking: + if name is not None and name in expected: + message.append('You probably made a nesting mistake. Jinja ' + 'is expecting this tag, but currently looking ' + 'for %s.' % currently_looking) + else: + message.append('Jinja was looking for the following tags: ' + '%s.' % currently_looking) + + if self._tag_stack: + message.append('The innermost block that needs to be ' + 'closed is \'%s\'.' % self._tag_stack[-1]) + + self.fail(' '.join(message), lineno) + + def fail_unknown_tag(self, name, lineno=None): + """Called if the parser encounters an unknown tag. Tries to fail + with a human readable error message that could help to identify + the problem. + """ + return self._fail_ut_eof(name, self._end_token_stack, lineno) + + def fail_eof(self, end_tokens=None, lineno=None): + """Like fail_unknown_tag but for end of template situations.""" + stack = list(self._end_token_stack) + if end_tokens is not None: + stack.append(end_tokens) + return self._fail_ut_eof(None, stack, lineno) + + def is_tuple_end(self, extra_end_rules=None): + """Are we at the end of a tuple?""" + if self.stream.current.type in ('variable_end', 'block_end', 'rparen'): + return True + elif extra_end_rules is not None: + return self.stream.current.test_any(extra_end_rules) + return False + + def free_identifier(self, lineno=None): + """Return a new free identifier as :class:`~jinja2.nodes.InternalName`.""" + self._last_identifier += 1 + rv = object.__new__(nodes.InternalName) + nodes.Node.__init__(rv, 'fi%d' % self._last_identifier, lineno=lineno) + return rv + + def parse_statement(self): + """Parse a single statement.""" + token = self.stream.current + if token.type != 'name': + self.fail('tag name expected', token.lineno) + self._tag_stack.append(token.value) + pop_tag = True + try: + if token.value in _statement_keywords: + return getattr(self, 'parse_' + self.stream.current.value)() + if token.value == 'call': + return self.parse_call_block() + if token.value == 'filter': + return self.parse_filter_block() + ext = self.extensions.get(token.value) + if ext is not None: + return ext(self) + + # did not work out, remove the token we pushed by accident + # from the stack so that the unknown tag fail function can + # produce a proper error message. + self._tag_stack.pop() + pop_tag = False + self.fail_unknown_tag(token.value, token.lineno) + finally: + if pop_tag: + self._tag_stack.pop() + + def parse_statements(self, end_tokens, drop_needle=False): + """Parse multiple statements into a list until one of the end tokens + is reached. This is used to parse the body of statements as it also + parses template data if appropriate. The parser checks first if the + current token is a colon and skips it if there is one. Then it checks + for the block end and parses until if one of the `end_tokens` is + reached. Per default the active token in the stream at the end of + the call is the matched end token. If this is not wanted `drop_needle` + can be set to `True` and the end token is removed. + """ + # the first token may be a colon for python compatibility + self.stream.skip_if('colon') + + # in the future it would be possible to add whole code sections + # by adding some sort of end of statement token and parsing those here. + self.stream.expect('block_end') + result = self.subparse(end_tokens) + + # we reached the end of the template too early, the subparser + # does not check for this, so we do that now + if self.stream.current.type == 'eof': + self.fail_eof(end_tokens) + + if drop_needle: + next(self.stream) + return result + + def parse_set(self): + """Parse an assign statement.""" + lineno = next(self.stream).lineno + target = self.parse_assign_target() + self.stream.expect('assign') + expr = self.parse_tuple() + return nodes.Assign(target, expr, lineno=lineno) + + def parse_for(self): + """Parse a for loop.""" + lineno = self.stream.expect('name:for').lineno + target = self.parse_assign_target(extra_end_rules=('name:in',)) + self.stream.expect('name:in') + iter = self.parse_tuple(with_condexpr=False, + extra_end_rules=('name:recursive',)) + test = None + if self.stream.skip_if('name:if'): + test = self.parse_expression() + recursive = self.stream.skip_if('name:recursive') + body = self.parse_statements(('name:endfor', 'name:else')) + if next(self.stream).value == 'endfor': + else_ = [] + else: + else_ = self.parse_statements(('name:endfor',), drop_needle=True) + return nodes.For(target, iter, body, else_, test, + recursive, lineno=lineno) + + def parse_if(self): + """Parse an if construct.""" + node = result = nodes.If(lineno=self.stream.expect('name:if').lineno) + while 1: + node.test = self.parse_tuple(with_condexpr=False) + node.body = self.parse_statements(('name:elif', 'name:else', + 'name:endif')) + token = next(self.stream) + if token.test('name:elif'): + new_node = nodes.If(lineno=self.stream.current.lineno) + node.else_ = [new_node] + node = new_node + continue + elif token.test('name:else'): + node.else_ = self.parse_statements(('name:endif',), + drop_needle=True) + else: + node.else_ = [] + break + return result + + def parse_block(self): + node = nodes.Block(lineno=next(self.stream).lineno) + node.name = self.stream.expect('name').value + node.scoped = self.stream.skip_if('name:scoped') + + # common problem people encounter when switching from django + # to jinja. we do not support hyphens in block names, so let's + # raise a nicer error message in that case. + if self.stream.current.type == 'sub': + self.fail('Block names in Jinja have to be valid Python ' + 'identifiers and may not contain hyphens, use an ' + 'underscore instead.') + + node.body = self.parse_statements(('name:endblock',), drop_needle=True) + self.stream.skip_if('name:' + node.name) + return node + + def parse_extends(self): + node = nodes.Extends(lineno=next(self.stream).lineno) + node.template = self.parse_expression() + return node + + def parse_import_context(self, node, default): + if self.stream.current.test_any('name:with', 'name:without') and \ + self.stream.look().test('name:context'): + node.with_context = next(self.stream).value == 'with' + self.stream.skip() + else: + node.with_context = default + return node + + def parse_include(self): + node = nodes.Include(lineno=next(self.stream).lineno) + node.template = self.parse_expression() + if self.stream.current.test('name:ignore') and \ + self.stream.look().test('name:missing'): + node.ignore_missing = True + self.stream.skip(2) + else: + node.ignore_missing = False + return self.parse_import_context(node, True) + + def parse_import(self): + node = nodes.Import(lineno=next(self.stream).lineno) + node.template = self.parse_expression() + self.stream.expect('name:as') + node.target = self.parse_assign_target(name_only=True).name + return self.parse_import_context(node, False) + + def parse_from(self): + node = nodes.FromImport(lineno=next(self.stream).lineno) + node.template = self.parse_expression() + self.stream.expect('name:import') + node.names = [] + + def parse_context(): + if self.stream.current.value in ('with', 'without') and \ + self.stream.look().test('name:context'): + node.with_context = next(self.stream).value == 'with' + self.stream.skip() + return True + return False + + while 1: + if node.names: + self.stream.expect('comma') + if self.stream.current.type == 'name': + if parse_context(): + break + target = self.parse_assign_target(name_only=True) + if target.name.startswith('_'): + self.fail('names starting with an underline can not ' + 'be imported', target.lineno, + exc=TemplateAssertionError) + if self.stream.skip_if('name:as'): + alias = self.parse_assign_target(name_only=True) + node.names.append((target.name, alias.name)) + else: + node.names.append(target.name) + if parse_context() or self.stream.current.type != 'comma': + break + else: + break + if not hasattr(node, 'with_context'): + node.with_context = False + self.stream.skip_if('comma') + return node + + def parse_signature(self, node): + node.args = args = [] + node.defaults = defaults = [] + self.stream.expect('lparen') + while self.stream.current.type != 'rparen': + if args: + self.stream.expect('comma') + arg = self.parse_assign_target(name_only=True) + arg.set_ctx('param') + if self.stream.skip_if('assign'): + defaults.append(self.parse_expression()) + args.append(arg) + self.stream.expect('rparen') + + def parse_call_block(self): + node = nodes.CallBlock(lineno=next(self.stream).lineno) + if self.stream.current.type == 'lparen': + self.parse_signature(node) + else: + node.args = [] + node.defaults = [] + + node.call = self.parse_expression() + if not isinstance(node.call, nodes.Call): + self.fail('expected call', node.lineno) + node.body = self.parse_statements(('name:endcall',), drop_needle=True) + return node + + def parse_filter_block(self): + node = nodes.FilterBlock(lineno=next(self.stream).lineno) + node.filter = self.parse_filter(None, start_inline=True) + node.body = self.parse_statements(('name:endfilter',), + drop_needle=True) + return node + + def parse_macro(self): + node = nodes.Macro(lineno=next(self.stream).lineno) + node.name = self.parse_assign_target(name_only=True).name + self.parse_signature(node) + node.body = self.parse_statements(('name:endmacro',), + drop_needle=True) + return node + + def parse_print(self): + node = nodes.Output(lineno=next(self.stream).lineno) + node.nodes = [] + while self.stream.current.type != 'block_end': + if node.nodes: + self.stream.expect('comma') + node.nodes.append(self.parse_expression()) + return node + + def parse_assign_target(self, with_tuple=True, name_only=False, + extra_end_rules=None): + """Parse an assignment target. As Jinja2 allows assignments to + tuples, this function can parse all allowed assignment targets. Per + default assignments to tuples are parsed, that can be disable however + by setting `with_tuple` to `False`. If only assignments to names are + wanted `name_only` can be set to `True`. The `extra_end_rules` + parameter is forwarded to the tuple parsing function. + """ + if name_only: + token = self.stream.expect('name') + target = nodes.Name(token.value, 'store', lineno=token.lineno) + else: + if with_tuple: + target = self.parse_tuple(simplified=True, + extra_end_rules=extra_end_rules) + else: + target = self.parse_primary() + target.set_ctx('store') + if not target.can_assign(): + self.fail('can\'t assign to %r' % target.__class__. + __name__.lower(), target.lineno) + return target + + def parse_expression(self, with_condexpr=True): + """Parse an expression. Per default all expressions are parsed, if + the optional `with_condexpr` parameter is set to `False` conditional + expressions are not parsed. + """ + if with_condexpr: + return self.parse_condexpr() + return self.parse_or() + + def parse_condexpr(self): + lineno = self.stream.current.lineno + expr1 = self.parse_or() + while self.stream.skip_if('name:if'): + expr2 = self.parse_or() + if self.stream.skip_if('name:else'): + expr3 = self.parse_condexpr() + else: + expr3 = None + expr1 = nodes.CondExpr(expr2, expr1, expr3, lineno=lineno) + lineno = self.stream.current.lineno + return expr1 + + def parse_or(self): + lineno = self.stream.current.lineno + left = self.parse_and() + while self.stream.skip_if('name:or'): + right = self.parse_and() + left = nodes.Or(left, right, lineno=lineno) + lineno = self.stream.current.lineno + return left + + def parse_and(self): + lineno = self.stream.current.lineno + left = self.parse_not() + while self.stream.skip_if('name:and'): + right = self.parse_not() + left = nodes.And(left, right, lineno=lineno) + lineno = self.stream.current.lineno + return left + + def parse_not(self): + if self.stream.current.test('name:not'): + lineno = next(self.stream).lineno + return nodes.Not(self.parse_not(), lineno=lineno) + return self.parse_compare() + + def parse_compare(self): + lineno = self.stream.current.lineno + expr = self.parse_add() + ops = [] + while 1: + token_type = self.stream.current.type + if token_type in _compare_operators: + next(self.stream) + ops.append(nodes.Operand(token_type, self.parse_add())) + elif self.stream.skip_if('name:in'): + ops.append(nodes.Operand('in', self.parse_add())) + elif self.stream.current.test('name:not') and \ + self.stream.look().test('name:in'): + self.stream.skip(2) + ops.append(nodes.Operand('notin', self.parse_add())) + else: + break + lineno = self.stream.current.lineno + if not ops: + return expr + return nodes.Compare(expr, ops, lineno=lineno) + + def parse_add(self): + lineno = self.stream.current.lineno + left = self.parse_sub() + while self.stream.current.type == 'add': + next(self.stream) + right = self.parse_sub() + left = nodes.Add(left, right, lineno=lineno) + lineno = self.stream.current.lineno + return left + + def parse_sub(self): + lineno = self.stream.current.lineno + left = self.parse_concat() + while self.stream.current.type == 'sub': + next(self.stream) + right = self.parse_concat() + left = nodes.Sub(left, right, lineno=lineno) + lineno = self.stream.current.lineno + return left + + def parse_concat(self): + lineno = self.stream.current.lineno + args = [self.parse_mul()] + while self.stream.current.type == 'tilde': + next(self.stream) + args.append(self.parse_mul()) + if len(args) == 1: + return args[0] + return nodes.Concat(args, lineno=lineno) + + def parse_mul(self): + lineno = self.stream.current.lineno + left = self.parse_div() + while self.stream.current.type == 'mul': + next(self.stream) + right = self.parse_div() + left = nodes.Mul(left, right, lineno=lineno) + lineno = self.stream.current.lineno + return left + + def parse_div(self): + lineno = self.stream.current.lineno + left = self.parse_floordiv() + while self.stream.current.type == 'div': + next(self.stream) + right = self.parse_floordiv() + left = nodes.Div(left, right, lineno=lineno) + lineno = self.stream.current.lineno + return left + + def parse_floordiv(self): + lineno = self.stream.current.lineno + left = self.parse_mod() + while self.stream.current.type == 'floordiv': + next(self.stream) + right = self.parse_mod() + left = nodes.FloorDiv(left, right, lineno=lineno) + lineno = self.stream.current.lineno + return left + + def parse_mod(self): + lineno = self.stream.current.lineno + left = self.parse_pow() + while self.stream.current.type == 'mod': + next(self.stream) + right = self.parse_pow() + left = nodes.Mod(left, right, lineno=lineno) + lineno = self.stream.current.lineno + return left + + def parse_pow(self): + lineno = self.stream.current.lineno + left = self.parse_unary() + while self.stream.current.type == 'pow': + next(self.stream) + right = self.parse_unary() + left = nodes.Pow(left, right, lineno=lineno) + lineno = self.stream.current.lineno + return left + + def parse_unary(self, with_filter=True): + token_type = self.stream.current.type + lineno = self.stream.current.lineno + if token_type == 'sub': + next(self.stream) + node = nodes.Neg(self.parse_unary(False), lineno=lineno) + elif token_type == 'add': + next(self.stream) + node = nodes.Pos(self.parse_unary(False), lineno=lineno) + else: + node = self.parse_primary() + node = self.parse_postfix(node) + if with_filter: + node = self.parse_filter_expr(node) + return node + + def parse_primary(self): + token = self.stream.current + if token.type == 'name': + if token.value in ('true', 'false', 'True', 'False'): + node = nodes.Const(token.value in ('true', 'True'), + lineno=token.lineno) + elif token.value in ('none', 'None'): + node = nodes.Const(None, lineno=token.lineno) + else: + node = nodes.Name(token.value, 'load', lineno=token.lineno) + next(self.stream) + elif token.type == 'string': + next(self.stream) + buf = [token.value] + lineno = token.lineno + while self.stream.current.type == 'string': + buf.append(self.stream.current.value) + next(self.stream) + node = nodes.Const(''.join(buf), lineno=lineno) + elif token.type in ('integer', 'float'): + next(self.stream) + node = nodes.Const(token.value, lineno=token.lineno) + elif token.type == 'lparen': + next(self.stream) + node = self.parse_tuple(explicit_parentheses=True) + self.stream.expect('rparen') + elif token.type == 'lbracket': + node = self.parse_list() + elif token.type == 'lbrace': + node = self.parse_dict() + else: + self.fail("unexpected '%s'" % describe_token(token), token.lineno) + return node + + def parse_tuple(self, simplified=False, with_condexpr=True, + extra_end_rules=None, explicit_parentheses=False): + """Works like `parse_expression` but if multiple expressions are + delimited by a comma a :class:`~jinja2.nodes.Tuple` node is created. + This method could also return a regular expression instead of a tuple + if no commas where found. + + The default parsing mode is a full tuple. If `simplified` is `True` + only names and literals are parsed. The `no_condexpr` parameter is + forwarded to :meth:`parse_expression`. + + Because tuples do not require delimiters and may end in a bogus comma + an extra hint is needed that marks the end of a tuple. For example + for loops support tuples between `for` and `in`. In that case the + `extra_end_rules` is set to ``['name:in']``. + + `explicit_parentheses` is true if the parsing was triggered by an + expression in parentheses. This is used to figure out if an empty + tuple is a valid expression or not. + """ + lineno = self.stream.current.lineno + if simplified: + parse = self.parse_primary + elif with_condexpr: + parse = self.parse_expression + else: + parse = lambda: self.parse_expression(with_condexpr=False) + args = [] + is_tuple = False + while 1: + if args: + self.stream.expect('comma') + if self.is_tuple_end(extra_end_rules): + break + args.append(parse()) + if self.stream.current.type == 'comma': + is_tuple = True + else: + break + lineno = self.stream.current.lineno + + if not is_tuple: + if args: + return args[0] + + # if we don't have explicit parentheses, an empty tuple is + # not a valid expression. This would mean nothing (literally + # nothing) in the spot of an expression would be an empty + # tuple. + if not explicit_parentheses: + self.fail('Expected an expression, got \'%s\'' % + describe_token(self.stream.current)) + + return nodes.Tuple(args, 'load', lineno=lineno) + + def parse_list(self): + token = self.stream.expect('lbracket') + items = [] + while self.stream.current.type != 'rbracket': + if items: + self.stream.expect('comma') + if self.stream.current.type == 'rbracket': + break + items.append(self.parse_expression()) + self.stream.expect('rbracket') + return nodes.List(items, lineno=token.lineno) + + def parse_dict(self): + token = self.stream.expect('lbrace') + items = [] + while self.stream.current.type != 'rbrace': + if items: + self.stream.expect('comma') + if self.stream.current.type == 'rbrace': + break + key = self.parse_expression() + self.stream.expect('colon') + value = self.parse_expression() + items.append(nodes.Pair(key, value, lineno=key.lineno)) + self.stream.expect('rbrace') + return nodes.Dict(items, lineno=token.lineno) + + def parse_postfix(self, node): + while 1: + token_type = self.stream.current.type + if token_type == 'dot' or token_type == 'lbracket': + node = self.parse_subscript(node) + # calls are valid both after postfix expressions (getattr + # and getitem) as well as filters and tests + elif token_type == 'lparen': + node = self.parse_call(node) + else: + break + return node + + def parse_filter_expr(self, node): + while 1: + token_type = self.stream.current.type + if token_type == 'pipe': + node = self.parse_filter(node) + elif token_type == 'name' and self.stream.current.value == 'is': + node = self.parse_test(node) + # calls are valid both after postfix expressions (getattr + # and getitem) as well as filters and tests + elif token_type == 'lparen': + node = self.parse_call(node) + else: + break + return node + + def parse_subscript(self, node): + token = next(self.stream) + if token.type == 'dot': + attr_token = self.stream.current + next(self.stream) + if attr_token.type == 'name': + return nodes.Getattr(node, attr_token.value, 'load', + lineno=token.lineno) + elif attr_token.type != 'integer': + self.fail('expected name or number', attr_token.lineno) + arg = nodes.Const(attr_token.value, lineno=attr_token.lineno) + return nodes.Getitem(node, arg, 'load', lineno=token.lineno) + if token.type == 'lbracket': + args = [] + while self.stream.current.type != 'rbracket': + if args: + self.stream.expect('comma') + args.append(self.parse_subscribed()) + self.stream.expect('rbracket') + if len(args) == 1: + arg = args[0] + else: + arg = nodes.Tuple(args, 'load', lineno=token.lineno) + return nodes.Getitem(node, arg, 'load', lineno=token.lineno) + self.fail('expected subscript expression', self.lineno) + + def parse_subscribed(self): + lineno = self.stream.current.lineno + + if self.stream.current.type == 'colon': + next(self.stream) + args = [None] + else: + node = self.parse_expression() + if self.stream.current.type != 'colon': + return node + next(self.stream) + args = [node] + + if self.stream.current.type == 'colon': + args.append(None) + elif self.stream.current.type not in ('rbracket', 'comma'): + args.append(self.parse_expression()) + else: + args.append(None) + + if self.stream.current.type == 'colon': + next(self.stream) + if self.stream.current.type not in ('rbracket', 'comma'): + args.append(self.parse_expression()) + else: + args.append(None) + else: + args.append(None) + + return nodes.Slice(lineno=lineno, *args) + + def parse_call(self, node): + token = self.stream.expect('lparen') + args = [] + kwargs = [] + dyn_args = dyn_kwargs = None + require_comma = False + + def ensure(expr): + if not expr: + self.fail('invalid syntax for function call expression', + token.lineno) + + while self.stream.current.type != 'rparen': + if require_comma: + self.stream.expect('comma') + # support for trailing comma + if self.stream.current.type == 'rparen': + break + if self.stream.current.type == 'mul': + ensure(dyn_args is None and dyn_kwargs is None) + next(self.stream) + dyn_args = self.parse_expression() + elif self.stream.current.type == 'pow': + ensure(dyn_kwargs is None) + next(self.stream) + dyn_kwargs = self.parse_expression() + else: + ensure(dyn_args is None and dyn_kwargs is None) + if self.stream.current.type == 'name' and \ + self.stream.look().type == 'assign': + key = self.stream.current.value + self.stream.skip(2) + value = self.parse_expression() + kwargs.append(nodes.Keyword(key, value, + lineno=value.lineno)) + else: + ensure(not kwargs) + args.append(self.parse_expression()) + + require_comma = True + self.stream.expect('rparen') + + if node is None: + return args, kwargs, dyn_args, dyn_kwargs + return nodes.Call(node, args, kwargs, dyn_args, dyn_kwargs, + lineno=token.lineno) + + def parse_filter(self, node, start_inline=False): + while self.stream.current.type == 'pipe' or start_inline: + if not start_inline: + next(self.stream) + token = self.stream.expect('name') + name = token.value + while self.stream.current.type == 'dot': + next(self.stream) + name += '.' + self.stream.expect('name').value + if self.stream.current.type == 'lparen': + args, kwargs, dyn_args, dyn_kwargs = self.parse_call(None) + else: + args = [] + kwargs = [] + dyn_args = dyn_kwargs = None + node = nodes.Filter(node, name, args, kwargs, dyn_args, + dyn_kwargs, lineno=token.lineno) + start_inline = False + return node + + def parse_test(self, node): + token = next(self.stream) + if self.stream.current.test('name:not'): + next(self.stream) + negated = True + else: + negated = False + name = self.stream.expect('name').value + while self.stream.current.type == 'dot': + next(self.stream) + name += '.' + self.stream.expect('name').value + dyn_args = dyn_kwargs = None + kwargs = [] + if self.stream.current.type == 'lparen': + args, kwargs, dyn_args, dyn_kwargs = self.parse_call(None) + elif self.stream.current.type in ('name', 'string', 'integer', + 'float', 'lparen', 'lbracket', + 'lbrace') and not \ + self.stream.current.test_any('name:else', 'name:or', + 'name:and'): + if self.stream.current.test('name:is'): + self.fail('You cannot chain multiple tests with is') + args = [self.parse_expression()] + else: + args = [] + node = nodes.Test(node, name, args, kwargs, dyn_args, + dyn_kwargs, lineno=token.lineno) + if negated: + node = nodes.Not(node, lineno=token.lineno) + return node + + def subparse(self, end_tokens=None): + body = [] + data_buffer = [] + add_data = data_buffer.append + + if end_tokens is not None: + self._end_token_stack.append(end_tokens) + + def flush_data(): + if data_buffer: + lineno = data_buffer[0].lineno + body.append(nodes.Output(data_buffer[:], lineno=lineno)) + del data_buffer[:] + + try: + while self.stream: + token = self.stream.current + if token.type == 'data': + if token.value: + add_data(nodes.TemplateData(token.value, + lineno=token.lineno)) + next(self.stream) + elif token.type == 'variable_begin': + next(self.stream) + add_data(self.parse_tuple(with_condexpr=True)) + self.stream.expect('variable_end') + elif token.type == 'block_begin': + flush_data() + next(self.stream) + if end_tokens is not None and \ + self.stream.current.test_any(*end_tokens): + return body + rv = self.parse_statement() + if isinstance(rv, list): + body.extend(rv) + else: + body.append(rv) + self.stream.expect('block_end') + else: + raise AssertionError('internal parsing error') + + flush_data() + finally: + if end_tokens is not None: + self._end_token_stack.pop() + + return body + + def parse(self): + """Parse the whole template into a `Template` node.""" + result = nodes.Template(self.subparse(), lineno=1) + result.set_environment(self.environment) + return result diff --git a/pyload/lib/jinja2/runtime.py b/pyload/lib/jinja2/runtime.py new file mode 100644 index 000000000..7791c645a --- /dev/null +++ b/pyload/lib/jinja2/runtime.py @@ -0,0 +1,581 @@ +# -*- coding: utf-8 -*- +""" + jinja2.runtime + ~~~~~~~~~~~~~~ + + Runtime helpers. + + :copyright: (c) 2010 by the Jinja Team. + :license: BSD. +""" +from itertools import chain +from jinja2.nodes import EvalContext, _context_function_types +from jinja2.utils import Markup, soft_unicode, escape, missing, concat, \ + internalcode, object_type_repr +from jinja2.exceptions import UndefinedError, TemplateRuntimeError, \ + TemplateNotFound +from jinja2._compat import next, imap, text_type, iteritems, \ + implements_iterator, implements_to_string, string_types, PY2 + + +# these variables are exported to the template runtime +__all__ = ['LoopContext', 'TemplateReference', 'Macro', 'Markup', + 'TemplateRuntimeError', 'missing', 'concat', 'escape', + 'markup_join', 'unicode_join', 'to_string', 'identity', + 'TemplateNotFound'] + +#: the name of the function that is used to convert something into +#: a string. We can just use the text type here. +to_string = text_type + +#: the identity function. Useful for certain things in the environment +identity = lambda x: x + +_last_iteration = object() + + +def markup_join(seq): + """Concatenation that escapes if necessary and converts to unicode.""" + buf = [] + iterator = imap(soft_unicode, seq) + for arg in iterator: + buf.append(arg) + if hasattr(arg, '__html__'): + return Markup(u'').join(chain(buf, iterator)) + return concat(buf) + + +def unicode_join(seq): + """Simple args to unicode conversion and concatenation.""" + return concat(imap(text_type, seq)) + + +def new_context(environment, template_name, blocks, vars=None, + shared=None, globals=None, locals=None): + """Internal helper to for context creation.""" + if vars is None: + vars = {} + if shared: + parent = vars + else: + parent = dict(globals or (), **vars) + if locals: + # if the parent is shared a copy should be created because + # we don't want to modify the dict passed + if shared: + parent = dict(parent) + for key, value in iteritems(locals): + if key[:2] == 'l_' and value is not missing: + parent[key[2:]] = value + return Context(environment, parent, template_name, blocks) + + +class TemplateReference(object): + """The `self` in templates.""" + + def __init__(self, context): + self.__context = context + + def __getitem__(self, name): + blocks = self.__context.blocks[name] + return BlockReference(name, self.__context, blocks, 0) + + def __repr__(self): + return '<%s %r>' % ( + self.__class__.__name__, + self.__context.name + ) + + +class Context(object): + """The template context holds the variables of a template. It stores the + values passed to the template and also the names the template exports. + Creating instances is neither supported nor useful as it's created + automatically at various stages of the template evaluation and should not + be created by hand. + + The context is immutable. Modifications on :attr:`parent` **must not** + happen and modifications on :attr:`vars` are allowed from generated + template code only. Template filters and global functions marked as + :func:`contextfunction`\s get the active context passed as first argument + and are allowed to access the context read-only. + + The template context supports read only dict operations (`get`, + `keys`, `values`, `items`, `iterkeys`, `itervalues`, `iteritems`, + `__getitem__`, `__contains__`). Additionally there is a :meth:`resolve` + method that doesn't fail with a `KeyError` but returns an + :class:`Undefined` object for missing variables. + """ + __slots__ = ('parent', 'vars', 'environment', 'eval_ctx', 'exported_vars', + 'name', 'blocks', '__weakref__') + + def __init__(self, environment, parent, name, blocks): + self.parent = parent + self.vars = {} + self.environment = environment + self.eval_ctx = EvalContext(self.environment, name) + self.exported_vars = set() + self.name = name + + # create the initial mapping of blocks. Whenever template inheritance + # takes place the runtime will update this mapping with the new blocks + # from the template. + self.blocks = dict((k, [v]) for k, v in iteritems(blocks)) + + def super(self, name, current): + """Render a parent block.""" + try: + blocks = self.blocks[name] + index = blocks.index(current) + 1 + blocks[index] + except LookupError: + return self.environment.undefined('there is no parent block ' + 'called %r.' % name, + name='super') + return BlockReference(name, self, blocks, index) + + def get(self, key, default=None): + """Returns an item from the template context, if it doesn't exist + `default` is returned. + """ + try: + return self[key] + except KeyError: + return default + + def resolve(self, key): + """Looks up a variable like `__getitem__` or `get` but returns an + :class:`Undefined` object with the name of the name looked up. + """ + if key in self.vars: + return self.vars[key] + if key in self.parent: + return self.parent[key] + return self.environment.undefined(name=key) + + def get_exported(self): + """Get a new dict with the exported variables.""" + return dict((k, self.vars[k]) for k in self.exported_vars) + + def get_all(self): + """Return a copy of the complete context as dict including the + exported variables. + """ + return dict(self.parent, **self.vars) + + @internalcode + def call(__self, __obj, *args, **kwargs): + """Call the callable with the arguments and keyword arguments + provided but inject the active context or environment as first + argument if the callable is a :func:`contextfunction` or + :func:`environmentfunction`. + """ + if __debug__: + __traceback_hide__ = True + + # Allow callable classes to take a context + fn = __obj.__call__ + for fn_type in ('contextfunction', + 'evalcontextfunction', + 'environmentfunction'): + if hasattr(fn, fn_type): + __obj = fn + break + + if isinstance(__obj, _context_function_types): + if getattr(__obj, 'contextfunction', 0): + args = (__self,) + args + elif getattr(__obj, 'evalcontextfunction', 0): + args = (__self.eval_ctx,) + args + elif getattr(__obj, 'environmentfunction', 0): + args = (__self.environment,) + args + try: + return __obj(*args, **kwargs) + except StopIteration: + return __self.environment.undefined('value was undefined because ' + 'a callable raised a ' + 'StopIteration exception') + + def derived(self, locals=None): + """Internal helper function to create a derived context.""" + context = new_context(self.environment, self.name, {}, + self.parent, True, None, locals) + context.vars.update(self.vars) + context.eval_ctx = self.eval_ctx + context.blocks.update((k, list(v)) for k, v in iteritems(self.blocks)) + return context + + def _all(meth): + proxy = lambda self: getattr(self.get_all(), meth)() + proxy.__doc__ = getattr(dict, meth).__doc__ + proxy.__name__ = meth + return proxy + + keys = _all('keys') + values = _all('values') + items = _all('items') + + # not available on python 3 + if PY2: + iterkeys = _all('iterkeys') + itervalues = _all('itervalues') + iteritems = _all('iteritems') + del _all + + def __contains__(self, name): + return name in self.vars or name in self.parent + + def __getitem__(self, key): + """Lookup a variable or raise `KeyError` if the variable is + undefined. + """ + item = self.resolve(key) + if isinstance(item, Undefined): + raise KeyError(key) + return item + + def __repr__(self): + return '<%s %s of %r>' % ( + self.__class__.__name__, + repr(self.get_all()), + self.name + ) + + +# register the context as mapping if possible +try: + from collections import Mapping + Mapping.register(Context) +except ImportError: + pass + + +class BlockReference(object): + """One block on a template reference.""" + + def __init__(self, name, context, stack, depth): + self.name = name + self._context = context + self._stack = stack + self._depth = depth + + @property + def super(self): + """Super the block.""" + if self._depth + 1 >= len(self._stack): + return self._context.environment. \ + undefined('there is no parent block called %r.' % + self.name, name='super') + return BlockReference(self.name, self._context, self._stack, + self._depth + 1) + + @internalcode + def __call__(self): + rv = concat(self._stack[self._depth](self._context)) + if self._context.eval_ctx.autoescape: + rv = Markup(rv) + return rv + + +class LoopContext(object): + """A loop context for dynamic iteration.""" + + def __init__(self, iterable, recurse=None, depth0=0): + self._iterator = iter(iterable) + self._recurse = recurse + self._after = self._safe_next() + self.index0 = -1 + self.depth0 = depth0 + + # try to get the length of the iterable early. This must be done + # here because there are some broken iterators around where there + # __len__ is the number of iterations left (i'm looking at your + # listreverseiterator!). + try: + self._length = len(iterable) + except (TypeError, AttributeError): + self._length = None + + def cycle(self, *args): + """Cycles among the arguments with the current loop index.""" + if not args: + raise TypeError('no items for cycling given') + return args[self.index0 % len(args)] + + first = property(lambda x: x.index0 == 0) + last = property(lambda x: x._after is _last_iteration) + index = property(lambda x: x.index0 + 1) + revindex = property(lambda x: x.length - x.index0) + revindex0 = property(lambda x: x.length - x.index) + depth = property(lambda x: x.depth0 + 1) + + def __len__(self): + return self.length + + def __iter__(self): + return LoopContextIterator(self) + + def _safe_next(self): + try: + return next(self._iterator) + except StopIteration: + return _last_iteration + + @internalcode + def loop(self, iterable): + if self._recurse is None: + raise TypeError('Tried to call non recursive loop. Maybe you ' + "forgot the 'recursive' modifier.") + return self._recurse(iterable, self._recurse, self.depth0 + 1) + + # a nifty trick to enhance the error message if someone tried to call + # the the loop without or with too many arguments. + __call__ = loop + del loop + + @property + def length(self): + if self._length is None: + # if was not possible to get the length of the iterator when + # the loop context was created (ie: iterating over a generator) + # we have to convert the iterable into a sequence and use the + # length of that. + iterable = tuple(self._iterator) + self._iterator = iter(iterable) + self._length = len(iterable) + self.index0 + 1 + return self._length + + def __repr__(self): + return '<%s %r/%r>' % ( + self.__class__.__name__, + self.index, + self.length + ) + + +@implements_iterator +class LoopContextIterator(object): + """The iterator for a loop context.""" + __slots__ = ('context',) + + def __init__(self, context): + self.context = context + + def __iter__(self): + return self + + def __next__(self): + ctx = self.context + ctx.index0 += 1 + if ctx._after is _last_iteration: + raise StopIteration() + next_elem = ctx._after + ctx._after = ctx._safe_next() + return next_elem, ctx + + +class Macro(object): + """Wraps a macro function.""" + + def __init__(self, environment, func, name, arguments, defaults, + catch_kwargs, catch_varargs, caller): + self._environment = environment + self._func = func + self._argument_count = len(arguments) + self.name = name + self.arguments = arguments + self.defaults = defaults + self.catch_kwargs = catch_kwargs + self.catch_varargs = catch_varargs + self.caller = caller + + @internalcode + def __call__(self, *args, **kwargs): + # try to consume the positional arguments + arguments = list(args[:self._argument_count]) + off = len(arguments) + + # if the number of arguments consumed is not the number of + # arguments expected we start filling in keyword arguments + # and defaults. + if off != self._argument_count: + for idx, name in enumerate(self.arguments[len(arguments):]): + try: + value = kwargs.pop(name) + except KeyError: + try: + value = self.defaults[idx - self._argument_count + off] + except IndexError: + value = self._environment.undefined( + 'parameter %r was not provided' % name, name=name) + arguments.append(value) + + # it's important that the order of these arguments does not change + # if not also changed in the compiler's `function_scoping` method. + # the order is caller, keyword arguments, positional arguments! + if self.caller: + caller = kwargs.pop('caller', None) + if caller is None: + caller = self._environment.undefined('No caller defined', + name='caller') + arguments.append(caller) + if self.catch_kwargs: + arguments.append(kwargs) + elif kwargs: + raise TypeError('macro %r takes no keyword argument %r' % + (self.name, next(iter(kwargs)))) + if self.catch_varargs: + arguments.append(args[self._argument_count:]) + elif len(args) > self._argument_count: + raise TypeError('macro %r takes not more than %d argument(s)' % + (self.name, len(self.arguments))) + return self._func(*arguments) + + def __repr__(self): + return '<%s %s>' % ( + self.__class__.__name__, + self.name is None and 'anonymous' or repr(self.name) + ) + + +@implements_to_string +class Undefined(object): + """The default undefined type. This undefined type can be printed and + iterated over, but every other access will raise an :exc:`UndefinedError`: + + >>> foo = Undefined(name='foo') + >>> str(foo) + '' + >>> not foo + True + >>> foo + 42 + Traceback (most recent call last): + ... + UndefinedError: 'foo' is undefined + """ + __slots__ = ('_undefined_hint', '_undefined_obj', '_undefined_name', + '_undefined_exception') + + def __init__(self, hint=None, obj=missing, name=None, exc=UndefinedError): + self._undefined_hint = hint + self._undefined_obj = obj + self._undefined_name = name + self._undefined_exception = exc + + @internalcode + def _fail_with_undefined_error(self, *args, **kwargs): + """Regular callback function for undefined objects that raises an + `UndefinedError` on call. + """ + if self._undefined_hint is None: + if self._undefined_obj is missing: + hint = '%r is undefined' % self._undefined_name + elif not isinstance(self._undefined_name, string_types): + hint = '%s has no element %r' % ( + object_type_repr(self._undefined_obj), + self._undefined_name + ) + else: + hint = '%r has no attribute %r' % ( + object_type_repr(self._undefined_obj), + self._undefined_name + ) + else: + hint = self._undefined_hint + raise self._undefined_exception(hint) + + @internalcode + def __getattr__(self, name): + if name[:2] == '__': + raise AttributeError(name) + return self._fail_with_undefined_error() + + __add__ = __radd__ = __mul__ = __rmul__ = __div__ = __rdiv__ = \ + __truediv__ = __rtruediv__ = __floordiv__ = __rfloordiv__ = \ + __mod__ = __rmod__ = __pos__ = __neg__ = __call__ = \ + __getitem__ = __lt__ = __le__ = __gt__ = __ge__ = __int__ = \ + __float__ = __complex__ = __pow__ = __rpow__ = \ + _fail_with_undefined_error + + def __eq__(self, other): + return type(self) is type(other) + + def __ne__(self, other): + return not self.__eq__(other) + + def __hash__(self): + return id(type(self)) + + def __str__(self): + return u'' + + def __len__(self): + return 0 + + def __iter__(self): + if 0: + yield None + + def __nonzero__(self): + return False + + def __repr__(self): + return 'Undefined' + + +@implements_to_string +class DebugUndefined(Undefined): + """An undefined that returns the debug info when printed. + + >>> foo = DebugUndefined(name='foo') + >>> str(foo) + '{{ foo }}' + >>> not foo + True + >>> foo + 42 + Traceback (most recent call last): + ... + UndefinedError: 'foo' is undefined + """ + __slots__ = () + + def __str__(self): + if self._undefined_hint is None: + if self._undefined_obj is missing: + return u'{{ %s }}' % self._undefined_name + return '{{ no such element: %s[%r] }}' % ( + object_type_repr(self._undefined_obj), + self._undefined_name + ) + return u'{{ undefined value printed: %s }}' % self._undefined_hint + + +@implements_to_string +class StrictUndefined(Undefined): + """An undefined that barks on print and iteration as well as boolean + tests and all kinds of comparisons. In other words: you can do nothing + with it except checking if it's defined using the `defined` test. + + >>> foo = StrictUndefined(name='foo') + >>> str(foo) + Traceback (most recent call last): + ... + UndefinedError: 'foo' is undefined + >>> not foo + Traceback (most recent call last): + ... + UndefinedError: 'foo' is undefined + >>> foo + 42 + Traceback (most recent call last): + ... + UndefinedError: 'foo' is undefined + """ + __slots__ = () + __iter__ = __str__ = __len__ = __nonzero__ = __eq__ = \ + __ne__ = __bool__ = __hash__ = \ + Undefined._fail_with_undefined_error + + +# remove remaining slots attributes, after the metaclass did the magic they +# are unneeded and irritating as they contain wrong data for the subclasses. +del Undefined.__slots__, DebugUndefined.__slots__, StrictUndefined.__slots__ diff --git a/pyload/lib/jinja2/sandbox.py b/pyload/lib/jinja2/sandbox.py new file mode 100644 index 000000000..da479c1ba --- /dev/null +++ b/pyload/lib/jinja2/sandbox.py @@ -0,0 +1,368 @@ +# -*- coding: utf-8 -*- +""" + jinja2.sandbox + ~~~~~~~~~~~~~~ + + Adds a sandbox layer to Jinja as it was the default behavior in the old + Jinja 1 releases. This sandbox is slightly different from Jinja 1 as the + default behavior is easier to use. + + The behavior can be changed by subclassing the environment. + + :copyright: (c) 2010 by the Jinja Team. + :license: BSD. +""" +import operator +from jinja2.environment import Environment +from jinja2.exceptions import SecurityError +from jinja2._compat import string_types, function_type, method_type, \ + traceback_type, code_type, frame_type, generator_type, PY2 + + +#: maximum number of items a range may produce +MAX_RANGE = 100000 + +#: attributes of function objects that are considered unsafe. +UNSAFE_FUNCTION_ATTRIBUTES = set(['func_closure', 'func_code', 'func_dict', + 'func_defaults', 'func_globals']) + +#: unsafe method attributes. function attributes are unsafe for methods too +UNSAFE_METHOD_ATTRIBUTES = set(['im_class', 'im_func', 'im_self']) + +#: unsafe generator attirbutes. +UNSAFE_GENERATOR_ATTRIBUTES = set(['gi_frame', 'gi_code']) + +# On versions > python 2 the special attributes on functions are gone, +# but they remain on methods and generators for whatever reason. +if not PY2: + UNSAFE_FUNCTION_ATTRIBUTES = set() + +import warnings + +# make sure we don't warn in python 2.6 about stuff we don't care about +warnings.filterwarnings('ignore', 'the sets module', DeprecationWarning, + module='jinja2.sandbox') + +from collections import deque + +_mutable_set_types = (set,) +_mutable_mapping_types = (dict,) +_mutable_sequence_types = (list,) + + +# on python 2.x we can register the user collection types +try: + from UserDict import UserDict, DictMixin + from UserList import UserList + _mutable_mapping_types += (UserDict, DictMixin) + _mutable_set_types += (UserList,) +except ImportError: + pass + +# if sets is still available, register the mutable set from there as well +try: + from sets import Set + _mutable_set_types += (Set,) +except ImportError: + pass + +#: register Python 2.6 abstract base classes +try: + from collections import MutableSet, MutableMapping, MutableSequence + _mutable_set_types += (MutableSet,) + _mutable_mapping_types += (MutableMapping,) + _mutable_sequence_types += (MutableSequence,) +except ImportError: + pass + +_mutable_spec = ( + (_mutable_set_types, frozenset([ + 'add', 'clear', 'difference_update', 'discard', 'pop', 'remove', + 'symmetric_difference_update', 'update' + ])), + (_mutable_mapping_types, frozenset([ + 'clear', 'pop', 'popitem', 'setdefault', 'update' + ])), + (_mutable_sequence_types, frozenset([ + 'append', 'reverse', 'insert', 'sort', 'extend', 'remove' + ])), + (deque, frozenset([ + 'append', 'appendleft', 'clear', 'extend', 'extendleft', 'pop', + 'popleft', 'remove', 'rotate' + ])) +) + + +def safe_range(*args): + """A range that can't generate ranges with a length of more than + MAX_RANGE items. + """ + rng = range(*args) + if len(rng) > MAX_RANGE: + raise OverflowError('range too big, maximum size for range is %d' % + MAX_RANGE) + return rng + + +def unsafe(f): + """Marks a function or method as unsafe. + + :: + + @unsafe + def delete(self): + pass + """ + f.unsafe_callable = True + return f + + +def is_internal_attribute(obj, attr): + """Test if the attribute given is an internal python attribute. For + example this function returns `True` for the `func_code` attribute of + python objects. This is useful if the environment method + :meth:`~SandboxedEnvironment.is_safe_attribute` is overridden. + + >>> from jinja2.sandbox import is_internal_attribute + >>> is_internal_attribute(lambda: None, "func_code") + True + >>> is_internal_attribute((lambda x:x).func_code, 'co_code') + True + >>> is_internal_attribute(str, "upper") + False + """ + if isinstance(obj, function_type): + if attr in UNSAFE_FUNCTION_ATTRIBUTES: + return True + elif isinstance(obj, method_type): + if attr in UNSAFE_FUNCTION_ATTRIBUTES or \ + attr in UNSAFE_METHOD_ATTRIBUTES: + return True + elif isinstance(obj, type): + if attr == 'mro': + return True + elif isinstance(obj, (code_type, traceback_type, frame_type)): + return True + elif isinstance(obj, generator_type): + if attr in UNSAFE_GENERATOR_ATTRIBUTES: + return True + return attr.startswith('__') + + +def modifies_known_mutable(obj, attr): + """This function checks if an attribute on a builtin mutable object + (list, dict, set or deque) would modify it if called. It also supports + the "user"-versions of the objects (`sets.Set`, `UserDict.*` etc.) and + with Python 2.6 onwards the abstract base classes `MutableSet`, + `MutableMapping`, and `MutableSequence`. + + >>> modifies_known_mutable({}, "clear") + True + >>> modifies_known_mutable({}, "keys") + False + >>> modifies_known_mutable([], "append") + True + >>> modifies_known_mutable([], "index") + False + + If called with an unsupported object (such as unicode) `False` is + returned. + + >>> modifies_known_mutable("foo", "upper") + False + """ + for typespec, unsafe in _mutable_spec: + if isinstance(obj, typespec): + return attr in unsafe + return False + + +class SandboxedEnvironment(Environment): + """The sandboxed environment. It works like the regular environment but + tells the compiler to generate sandboxed code. Additionally subclasses of + this environment may override the methods that tell the runtime what + attributes or functions are safe to access. + + If the template tries to access insecure code a :exc:`SecurityError` is + raised. However also other exceptions may occour during the rendering so + the caller has to ensure that all exceptions are catched. + """ + sandboxed = True + + #: default callback table for the binary operators. A copy of this is + #: available on each instance of a sandboxed environment as + #: :attr:`binop_table` + default_binop_table = { + '+': operator.add, + '-': operator.sub, + '*': operator.mul, + '/': operator.truediv, + '//': operator.floordiv, + '**': operator.pow, + '%': operator.mod + } + + #: default callback table for the unary operators. A copy of this is + #: available on each instance of a sandboxed environment as + #: :attr:`unop_table` + default_unop_table = { + '+': operator.pos, + '-': operator.neg + } + + #: a set of binary operators that should be intercepted. Each operator + #: that is added to this set (empty by default) is delegated to the + #: :meth:`call_binop` method that will perform the operator. The default + #: operator callback is specified by :attr:`binop_table`. + #: + #: The following binary operators are interceptable: + #: ``//``, ``%``, ``+``, ``*``, ``-``, ``/``, and ``**`` + #: + #: The default operation form the operator table corresponds to the + #: builtin function. Intercepted calls are always slower than the native + #: operator call, so make sure only to intercept the ones you are + #: interested in. + #: + #: .. versionadded:: 2.6 + intercepted_binops = frozenset() + + #: a set of unary operators that should be intercepted. Each operator + #: that is added to this set (empty by default) is delegated to the + #: :meth:`call_unop` method that will perform the operator. The default + #: operator callback is specified by :attr:`unop_table`. + #: + #: The following unary operators are interceptable: ``+``, ``-`` + #: + #: The default operation form the operator table corresponds to the + #: builtin function. Intercepted calls are always slower than the native + #: operator call, so make sure only to intercept the ones you are + #: interested in. + #: + #: .. versionadded:: 2.6 + intercepted_unops = frozenset() + + def intercept_unop(self, operator): + """Called during template compilation with the name of a unary + operator to check if it should be intercepted at runtime. If this + method returns `True`, :meth:`call_unop` is excuted for this unary + operator. The default implementation of :meth:`call_unop` will use + the :attr:`unop_table` dictionary to perform the operator with the + same logic as the builtin one. + + The following unary operators are interceptable: ``+`` and ``-`` + + Intercepted calls are always slower than the native operator call, + so make sure only to intercept the ones you are interested in. + + .. versionadded:: 2.6 + """ + return False + + + def __init__(self, *args, **kwargs): + Environment.__init__(self, *args, **kwargs) + self.globals['range'] = safe_range + self.binop_table = self.default_binop_table.copy() + self.unop_table = self.default_unop_table.copy() + + def is_safe_attribute(self, obj, attr, value): + """The sandboxed environment will call this method to check if the + attribute of an object is safe to access. Per default all attributes + starting with an underscore are considered private as well as the + special attributes of internal python objects as returned by the + :func:`is_internal_attribute` function. + """ + return not (attr.startswith('_') or is_internal_attribute(obj, attr)) + + def is_safe_callable(self, obj): + """Check if an object is safely callable. Per default a function is + considered safe unless the `unsafe_callable` attribute exists and is + True. Override this method to alter the behavior, but this won't + affect the `unsafe` decorator from this module. + """ + return not (getattr(obj, 'unsafe_callable', False) or + getattr(obj, 'alters_data', False)) + + def call_binop(self, context, operator, left, right): + """For intercepted binary operator calls (:meth:`intercepted_binops`) + this function is executed instead of the builtin operator. This can + be used to fine tune the behavior of certain operators. + + .. versionadded:: 2.6 + """ + return self.binop_table[operator](left, right) + + def call_unop(self, context, operator, arg): + """For intercepted unary operator calls (:meth:`intercepted_unops`) + this function is executed instead of the builtin operator. This can + be used to fine tune the behavior of certain operators. + + .. versionadded:: 2.6 + """ + return self.unop_table[operator](arg) + + def getitem(self, obj, argument): + """Subscribe an object from sandboxed code.""" + try: + return obj[argument] + except (TypeError, LookupError): + if isinstance(argument, string_types): + try: + attr = str(argument) + except Exception: + pass + else: + try: + value = getattr(obj, attr) + except AttributeError: + pass + else: + if self.is_safe_attribute(obj, argument, value): + return value + return self.unsafe_undefined(obj, argument) + return self.undefined(obj=obj, name=argument) + + def getattr(self, obj, attribute): + """Subscribe an object from sandboxed code and prefer the + attribute. The attribute passed *must* be a bytestring. + """ + try: + value = getattr(obj, attribute) + except AttributeError: + try: + return obj[attribute] + except (TypeError, LookupError): + pass + else: + if self.is_safe_attribute(obj, attribute, value): + return value + return self.unsafe_undefined(obj, attribute) + return self.undefined(obj=obj, name=attribute) + + def unsafe_undefined(self, obj, attribute): + """Return an undefined object for unsafe attributes.""" + return self.undefined('access to attribute %r of %r ' + 'object is unsafe.' % ( + attribute, + obj.__class__.__name__ + ), name=attribute, obj=obj, exc=SecurityError) + + def call(__self, __context, __obj, *args, **kwargs): + """Call an object from sandboxed code.""" + # the double prefixes are to avoid double keyword argument + # errors when proxying the call. + if not __self.is_safe_callable(__obj): + raise SecurityError('%r is not safely callable' % (__obj,)) + return __context.call(__obj, *args, **kwargs) + + +class ImmutableSandboxedEnvironment(SandboxedEnvironment): + """Works exactly like the regular `SandboxedEnvironment` but does not + permit modifications on the builtin mutable objects `list`, `set`, and + `dict` by using the :func:`modifies_known_mutable` function. + """ + + def is_safe_attribute(self, obj, attr, value): + if not SandboxedEnvironment.is_safe_attribute(self, obj, attr, value): + return False + return not modifies_known_mutable(obj, attr) diff --git a/pyload/lib/jinja2/tests.py b/pyload/lib/jinja2/tests.py new file mode 100644 index 000000000..48a3e0618 --- /dev/null +++ b/pyload/lib/jinja2/tests.py @@ -0,0 +1,149 @@ +# -*- coding: utf-8 -*- +""" + jinja2.tests + ~~~~~~~~~~~~ + + Jinja test functions. Used with the "is" operator. + + :copyright: (c) 2010 by the Jinja Team. + :license: BSD, see LICENSE for more details. +""" +import re +from jinja2.runtime import Undefined +from jinja2._compat import text_type, string_types, mapping_types + + +number_re = re.compile(r'^-?\d+(\.\d+)?$') +regex_type = type(number_re) + + +test_callable = callable + + +def test_odd(value): + """Return true if the variable is odd.""" + return value % 2 == 1 + + +def test_even(value): + """Return true if the variable is even.""" + return value % 2 == 0 + + +def test_divisibleby(value, num): + """Check if a variable is divisible by a number.""" + return value % num == 0 + + +def test_defined(value): + """Return true if the variable is defined: + + .. sourcecode:: jinja + + {% if variable is defined %} + value of variable: {{ variable }} + {% else %} + variable is not defined + {% endif %} + + See the :func:`default` filter for a simple way to set undefined + variables. + """ + return not isinstance(value, Undefined) + + +def test_undefined(value): + """Like :func:`defined` but the other way round.""" + return isinstance(value, Undefined) + + +def test_none(value): + """Return true if the variable is none.""" + return value is None + + +def test_lower(value): + """Return true if the variable is lowercased.""" + return text_type(value).islower() + + +def test_upper(value): + """Return true if the variable is uppercased.""" + return text_type(value).isupper() + + +def test_string(value): + """Return true if the object is a string.""" + return isinstance(value, string_types) + + +def test_mapping(value): + """Return true if the object is a mapping (dict etc.). + + .. versionadded:: 2.6 + """ + return isinstance(value, mapping_types) + + +def test_number(value): + """Return true if the variable is a number.""" + return isinstance(value, (int, float, complex)) + + +def test_sequence(value): + """Return true if the variable is a sequence. Sequences are variables + that are iterable. + """ + try: + len(value) + value.__getitem__ + except: + return False + return True + + +def test_sameas(value, other): + """Check if an object points to the same memory address than another + object: + + .. sourcecode:: jinja + + {% if foo.attribute is sameas false %} + the foo attribute really is the `False` singleton + {% endif %} + """ + return value is other + + +def test_iterable(value): + """Check if it's possible to iterate over an object.""" + try: + iter(value) + except TypeError: + return False + return True + + +def test_escaped(value): + """Check if the value is escaped.""" + return hasattr(value, '__html__') + + +TESTS = { + 'odd': test_odd, + 'even': test_even, + 'divisibleby': test_divisibleby, + 'defined': test_defined, + 'undefined': test_undefined, + 'none': test_none, + 'lower': test_lower, + 'upper': test_upper, + 'string': test_string, + 'mapping': test_mapping, + 'number': test_number, + 'sequence': test_sequence, + 'iterable': test_iterable, + 'callable': test_callable, + 'sameas': test_sameas, + 'escaped': test_escaped +} diff --git a/pyload/lib/jinja2/testsuite/__init__.py b/pyload/lib/jinja2/testsuite/__init__.py new file mode 100644 index 000000000..635c83e5d --- /dev/null +++ b/pyload/lib/jinja2/testsuite/__init__.py @@ -0,0 +1,156 @@ +# -*- coding: utf-8 -*- +""" + jinja2.testsuite + ~~~~~~~~~~~~~~~~ + + All the unittests of Jinja2. These tests can be executed by + either running run-tests.py using multiple Python versions at + the same time. + + :copyright: (c) 2010 by the Jinja Team. + :license: BSD, see LICENSE for more details. +""" +import os +import re +import sys +import unittest +from traceback import format_exception +from jinja2 import loaders +from jinja2._compat import PY2 + + +here = os.path.dirname(os.path.abspath(__file__)) + +dict_loader = loaders.DictLoader({ + 'justdict.html': 'FOO' +}) +package_loader = loaders.PackageLoader('jinja2.testsuite.res', 'templates') +filesystem_loader = loaders.FileSystemLoader(here + '/res/templates') +function_loader = loaders.FunctionLoader({'justfunction.html': 'FOO'}.get) +choice_loader = loaders.ChoiceLoader([dict_loader, package_loader]) +prefix_loader = loaders.PrefixLoader({ + 'a': filesystem_loader, + 'b': dict_loader +}) + + +class JinjaTestCase(unittest.TestCase): + + ### use only these methods for testing. If you need standard + ### unittest method, wrap them! + + def setup(self): + pass + + def teardown(self): + pass + + def setUp(self): + self.setup() + + def tearDown(self): + self.teardown() + + def assert_equal(self, a, b): + return self.assertEqual(a, b) + + def assert_raises(self, *args, **kwargs): + return self.assertRaises(*args, **kwargs) + + def assert_traceback_matches(self, callback, expected_tb): + try: + callback() + except Exception as e: + tb = format_exception(*sys.exc_info()) + if re.search(expected_tb.strip(), ''.join(tb)) is None: + raise self.fail('Traceback did not match:\n\n%s\nexpected:\n%s' + % (''.join(tb), expected_tb)) + else: + self.fail('Expected exception') + + +def find_all_tests(suite): + """Yields all the tests and their names from a given suite.""" + suites = [suite] + while suites: + s = suites.pop() + try: + suites.extend(s) + except TypeError: + yield s, '%s.%s.%s' % ( + s.__class__.__module__, + s.__class__.__name__, + s._testMethodName + ) + + +class BetterLoader(unittest.TestLoader): + """A nicer loader that solves two problems. First of all we are setting + up tests from different sources and we're doing this programmatically + which breaks the default loading logic so this is required anyways. + Secondly this loader has a nicer interpolation for test names than the + default one so you can just do ``run-tests.py ViewTestCase`` and it + will work. + """ + + def getRootSuite(self): + return suite() + + def loadTestsFromName(self, name, module=None): + root = self.getRootSuite() + if name == 'suite': + return root + + all_tests = [] + for testcase, testname in find_all_tests(root): + if testname == name or \ + testname.endswith('.' + name) or \ + ('.' + name + '.') in testname or \ + testname.startswith(name + '.'): + all_tests.append(testcase) + + if not all_tests: + raise LookupError('could not find test case for "%s"' % name) + + if len(all_tests) == 1: + return all_tests[0] + rv = unittest.TestSuite() + for test in all_tests: + rv.addTest(test) + return rv + + +def suite(): + from jinja2.testsuite import ext, filters, tests, core_tags, \ + loader, inheritance, imports, lexnparse, security, api, \ + regression, debug, utils, bytecode_cache, doctests + suite = unittest.TestSuite() + suite.addTest(ext.suite()) + suite.addTest(filters.suite()) + suite.addTest(tests.suite()) + suite.addTest(core_tags.suite()) + suite.addTest(loader.suite()) + suite.addTest(inheritance.suite()) + suite.addTest(imports.suite()) + suite.addTest(lexnparse.suite()) + suite.addTest(security.suite()) + suite.addTest(api.suite()) + suite.addTest(regression.suite()) + suite.addTest(debug.suite()) + suite.addTest(utils.suite()) + suite.addTest(bytecode_cache.suite()) + + # doctests will not run on python 3 currently. Too many issues + # with that, do not test that on that platform. + if PY2: + suite.addTest(doctests.suite()) + + return suite + + +def main(): + """Runs the testsuite as command line application.""" + try: + unittest.main(testLoader=BetterLoader(), defaultTest='suite') + except Exception as e: + print('Error: %s' % e) diff --git a/pyload/lib/jinja2/testsuite/api.py b/pyload/lib/jinja2/testsuite/api.py new file mode 100644 index 000000000..1b68bf8b3 --- /dev/null +++ b/pyload/lib/jinja2/testsuite/api.py @@ -0,0 +1,261 @@ +# -*- coding: utf-8 -*- +""" + jinja2.testsuite.api + ~~~~~~~~~~~~~~~~~~~~ + + Tests the public API and related stuff. + + :copyright: (c) 2010 by the Jinja Team. + :license: BSD, see LICENSE for more details. +""" +import unittest +import os +import tempfile +import shutil + +from jinja2.testsuite import JinjaTestCase +from jinja2._compat import next + +from jinja2 import Environment, Undefined, DebugUndefined, \ + StrictUndefined, UndefinedError, meta, \ + is_undefined, Template, DictLoader +from jinja2.utils import Cycler + +env = Environment() + + +class ExtendedAPITestCase(JinjaTestCase): + + def test_item_and_attribute(self): + from jinja2.sandbox import SandboxedEnvironment + + for env in Environment(), SandboxedEnvironment(): + # the |list is necessary for python3 + tmpl = env.from_string('{{ foo.items()|list }}') + assert tmpl.render(foo={'items': 42}) == "[('items', 42)]" + tmpl = env.from_string('{{ foo|attr("items")()|list }}') + assert tmpl.render(foo={'items': 42}) == "[('items', 42)]" + tmpl = env.from_string('{{ foo["items"] }}') + assert tmpl.render(foo={'items': 42}) == '42' + + def test_finalizer(self): + def finalize_none_empty(value): + if value is None: + value = u'' + return value + env = Environment(finalize=finalize_none_empty) + tmpl = env.from_string('{% for item in seq %}|{{ item }}{% endfor %}') + assert tmpl.render(seq=(None, 1, "foo")) == '||1|foo' + tmpl = env.from_string('<{{ none }}>') + assert tmpl.render() == '<>' + + def test_cycler(self): + items = 1, 2, 3 + c = Cycler(*items) + for item in items + items: + assert c.current == item + assert next(c) == item + next(c) + assert c.current == 2 + c.reset() + assert c.current == 1 + + def test_expressions(self): + expr = env.compile_expression("foo") + assert expr() is None + assert expr(foo=42) == 42 + expr2 = env.compile_expression("foo", undefined_to_none=False) + assert is_undefined(expr2()) + + expr = env.compile_expression("42 + foo") + assert expr(foo=42) == 84 + + def test_template_passthrough(self): + t = Template('Content') + assert env.get_template(t) is t + assert env.select_template([t]) is t + assert env.get_or_select_template([t]) is t + assert env.get_or_select_template(t) is t + + def test_autoescape_autoselect(self): + def select_autoescape(name): + if name is None or '.' not in name: + return False + return name.endswith('.html') + env = Environment(autoescape=select_autoescape, + loader=DictLoader({ + 'test.txt': '{{ foo }}', + 'test.html': '{{ foo }}' + })) + t = env.get_template('test.txt') + assert t.render(foo='<foo>') == '<foo>' + t = env.get_template('test.html') + assert t.render(foo='<foo>') == '<foo>' + t = env.from_string('{{ foo }}') + assert t.render(foo='<foo>') == '<foo>' + + +class MetaTestCase(JinjaTestCase): + + def test_find_undeclared_variables(self): + ast = env.parse('{% set foo = 42 %}{{ bar + foo }}') + x = meta.find_undeclared_variables(ast) + assert x == set(['bar']) + + ast = env.parse('{% set foo = 42 %}{{ bar + foo }}' + '{% macro meh(x) %}{{ x }}{% endmacro %}' + '{% for item in seq %}{{ muh(item) + meh(seq) }}{% endfor %}') + x = meta.find_undeclared_variables(ast) + assert x == set(['bar', 'seq', 'muh']) + + def test_find_refererenced_templates(self): + ast = env.parse('{% extends "layout.html" %}{% include helper %}') + i = meta.find_referenced_templates(ast) + assert next(i) == 'layout.html' + assert next(i) is None + assert list(i) == [] + + ast = env.parse('{% extends "layout.html" %}' + '{% from "test.html" import a, b as c %}' + '{% import "meh.html" as meh %}' + '{% include "muh.html" %}') + i = meta.find_referenced_templates(ast) + assert list(i) == ['layout.html', 'test.html', 'meh.html', 'muh.html'] + + def test_find_included_templates(self): + ast = env.parse('{% include ["foo.html", "bar.html"] %}') + i = meta.find_referenced_templates(ast) + assert list(i) == ['foo.html', 'bar.html'] + + ast = env.parse('{% include ("foo.html", "bar.html") %}') + i = meta.find_referenced_templates(ast) + assert list(i) == ['foo.html', 'bar.html'] + + ast = env.parse('{% include ["foo.html", "bar.html", foo] %}') + i = meta.find_referenced_templates(ast) + assert list(i) == ['foo.html', 'bar.html', None] + + ast = env.parse('{% include ("foo.html", "bar.html", foo) %}') + i = meta.find_referenced_templates(ast) + assert list(i) == ['foo.html', 'bar.html', None] + + +class StreamingTestCase(JinjaTestCase): + + def test_basic_streaming(self): + tmpl = env.from_string("<ul>{% for item in seq %}<li>{{ loop.index " + "}} - {{ item }}</li>{%- endfor %}</ul>") + stream = tmpl.stream(seq=list(range(4))) + self.assert_equal(next(stream), '<ul>') + self.assert_equal(next(stream), '<li>1 - 0</li>') + self.assert_equal(next(stream), '<li>2 - 1</li>') + self.assert_equal(next(stream), '<li>3 - 2</li>') + self.assert_equal(next(stream), '<li>4 - 3</li>') + self.assert_equal(next(stream), '</ul>') + + def test_buffered_streaming(self): + tmpl = env.from_string("<ul>{% for item in seq %}<li>{{ loop.index " + "}} - {{ item }}</li>{%- endfor %}</ul>") + stream = tmpl.stream(seq=list(range(4))) + stream.enable_buffering(size=3) + self.assert_equal(next(stream), u'<ul><li>1 - 0</li><li>2 - 1</li>') + self.assert_equal(next(stream), u'<li>3 - 2</li><li>4 - 3</li></ul>') + + def test_streaming_behavior(self): + tmpl = env.from_string("") + stream = tmpl.stream() + assert not stream.buffered + stream.enable_buffering(20) + assert stream.buffered + stream.disable_buffering() + assert not stream.buffered + + def test_dump_stream(self): + tmp = tempfile.mkdtemp() + try: + tmpl = env.from_string(u"\u2713") + stream = tmpl.stream() + stream.dump(os.path.join(tmp, 'dump.txt'), 'utf-8') + with open(os.path.join(tmp, 'dump.txt'), 'rb') as f: + self.assertEqual(f.read(), b'\xe2\x9c\x93') + finally: + shutil.rmtree(tmp) + + +class UndefinedTestCase(JinjaTestCase): + + def test_stopiteration_is_undefined(self): + def test(): + raise StopIteration() + t = Template('A{{ test() }}B') + assert t.render(test=test) == 'AB' + t = Template('A{{ test().missingattribute }}B') + self.assert_raises(UndefinedError, t.render, test=test) + + def test_undefined_and_special_attributes(self): + try: + Undefined('Foo').__dict__ + except AttributeError: + pass + else: + assert False, "Expected actual attribute error" + + def test_default_undefined(self): + env = Environment(undefined=Undefined) + self.assert_equal(env.from_string('{{ missing }}').render(), u'') + self.assert_raises(UndefinedError, + env.from_string('{{ missing.attribute }}').render) + self.assert_equal(env.from_string('{{ missing|list }}').render(), '[]') + self.assert_equal(env.from_string('{{ missing is not defined }}').render(), 'True') + self.assert_equal(env.from_string('{{ foo.missing }}').render(foo=42), '') + self.assert_equal(env.from_string('{{ not missing }}').render(), 'True') + + def test_debug_undefined(self): + env = Environment(undefined=DebugUndefined) + self.assert_equal(env.from_string('{{ missing }}').render(), '{{ missing }}') + self.assert_raises(UndefinedError, + env.from_string('{{ missing.attribute }}').render) + self.assert_equal(env.from_string('{{ missing|list }}').render(), '[]') + self.assert_equal(env.from_string('{{ missing is not defined }}').render(), 'True') + self.assert_equal(env.from_string('{{ foo.missing }}').render(foo=42), + u"{{ no such element: int object['missing'] }}") + self.assert_equal(env.from_string('{{ not missing }}').render(), 'True') + + def test_strict_undefined(self): + env = Environment(undefined=StrictUndefined) + self.assert_raises(UndefinedError, env.from_string('{{ missing }}').render) + self.assert_raises(UndefinedError, env.from_string('{{ missing.attribute }}').render) + self.assert_raises(UndefinedError, env.from_string('{{ missing|list }}').render) + self.assert_equal(env.from_string('{{ missing is not defined }}').render(), 'True') + self.assert_raises(UndefinedError, env.from_string('{{ foo.missing }}').render, foo=42) + self.assert_raises(UndefinedError, env.from_string('{{ not missing }}').render) + self.assert_equal(env.from_string('{{ missing|default("default", true) }}').render(), 'default') + + def test_indexing_gives_undefined(self): + t = Template("{{ var[42].foo }}") + self.assert_raises(UndefinedError, t.render, var=0) + + def test_none_gives_proper_error(self): + try: + Environment().getattr(None, 'split')() + except UndefinedError as e: + assert e.message == "'None' has no attribute 'split'" + else: + assert False, 'expected exception' + + def test_object_repr(self): + try: + Undefined(obj=42, name='upper')() + except UndefinedError as e: + assert e.message == "'int object' has no attribute 'upper'" + else: + assert False, 'expected exception' + + +def suite(): + suite = unittest.TestSuite() + suite.addTest(unittest.makeSuite(ExtendedAPITestCase)) + suite.addTest(unittest.makeSuite(MetaTestCase)) + suite.addTest(unittest.makeSuite(StreamingTestCase)) + suite.addTest(unittest.makeSuite(UndefinedTestCase)) + return suite diff --git a/pyload/lib/jinja2/testsuite/bytecode_cache.py b/pyload/lib/jinja2/testsuite/bytecode_cache.py new file mode 100644 index 000000000..9f5c635b8 --- /dev/null +++ b/pyload/lib/jinja2/testsuite/bytecode_cache.py @@ -0,0 +1,37 @@ +# -*- coding: utf-8 -*- +""" + jinja2.testsuite.bytecode_cache + ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + + Test bytecode caching + + :copyright: (c) 2010 by the Jinja Team. + :license: BSD, see LICENSE for more details. +""" +import unittest + +from jinja2.testsuite import JinjaTestCase, package_loader + +from jinja2 import Environment +from jinja2.bccache import FileSystemBytecodeCache +from jinja2.exceptions import TemplateNotFound + +bytecode_cache = FileSystemBytecodeCache() +env = Environment( + loader=package_loader, + bytecode_cache=bytecode_cache, +) + + +class ByteCodeCacheTestCase(JinjaTestCase): + + def test_simple(self): + tmpl = env.get_template('test.html') + assert tmpl.render().strip() == 'BAR' + self.assert_raises(TemplateNotFound, env.get_template, 'missing.html') + + +def suite(): + suite = unittest.TestSuite() + suite.addTest(unittest.makeSuite(ByteCodeCacheTestCase)) + return suite diff --git a/pyload/lib/jinja2/testsuite/core_tags.py b/pyload/lib/jinja2/testsuite/core_tags.py new file mode 100644 index 000000000..f1a20fd44 --- /dev/null +++ b/pyload/lib/jinja2/testsuite/core_tags.py @@ -0,0 +1,305 @@ +# -*- coding: utf-8 -*- +""" + jinja2.testsuite.core_tags + ~~~~~~~~~~~~~~~~~~~~~~~~~~ + + Test the core tags like for and if. + + :copyright: (c) 2010 by the Jinja Team. + :license: BSD, see LICENSE for more details. +""" +import unittest + +from jinja2.testsuite import JinjaTestCase + +from jinja2 import Environment, TemplateSyntaxError, UndefinedError, \ + DictLoader + +env = Environment() + + +class ForLoopTestCase(JinjaTestCase): + + def test_simple(self): + tmpl = env.from_string('{% for item in seq %}{{ item }}{% endfor %}') + assert tmpl.render(seq=list(range(10))) == '0123456789' + + def test_else(self): + tmpl = env.from_string('{% for item in seq %}XXX{% else %}...{% endfor %}') + assert tmpl.render() == '...' + + def test_empty_blocks(self): + tmpl = env.from_string('<{% for item in seq %}{% else %}{% endfor %}>') + assert tmpl.render() == '<>' + + def test_context_vars(self): + tmpl = env.from_string('''{% for item in seq -%} + {{ loop.index }}|{{ loop.index0 }}|{{ loop.revindex }}|{{ + loop.revindex0 }}|{{ loop.first }}|{{ loop.last }}|{{ + loop.length }}###{% endfor %}''') + one, two, _ = tmpl.render(seq=[0, 1]).split('###') + (one_index, one_index0, one_revindex, one_revindex0, one_first, + one_last, one_length) = one.split('|') + (two_index, two_index0, two_revindex, two_revindex0, two_first, + two_last, two_length) = two.split('|') + + assert int(one_index) == 1 and int(two_index) == 2 + assert int(one_index0) == 0 and int(two_index0) == 1 + assert int(one_revindex) == 2 and int(two_revindex) == 1 + assert int(one_revindex0) == 1 and int(two_revindex0) == 0 + assert one_first == 'True' and two_first == 'False' + assert one_last == 'False' and two_last == 'True' + assert one_length == two_length == '2' + + def test_cycling(self): + tmpl = env.from_string('''{% for item in seq %}{{ + loop.cycle('<1>', '<2>') }}{% endfor %}{% + for item in seq %}{{ loop.cycle(*through) }}{% endfor %}''') + output = tmpl.render(seq=list(range(4)), through=('<1>', '<2>')) + assert output == '<1><2>' * 4 + + def test_scope(self): + tmpl = env.from_string('{% for item in seq %}{% endfor %}{{ item }}') + output = tmpl.render(seq=list(range(10))) + assert not output + + def test_varlen(self): + def inner(): + for item in range(5): + yield item + tmpl = env.from_string('{% for item in iter %}{{ item }}{% endfor %}') + output = tmpl.render(iter=inner()) + assert output == '01234' + + def test_noniter(self): + tmpl = env.from_string('{% for item in none %}...{% endfor %}') + self.assert_raises(TypeError, tmpl.render) + + def test_recursive(self): + tmpl = env.from_string('''{% for item in seq recursive -%} + [{{ item.a }}{% if item.b %}<{{ loop(item.b) }}>{% endif %}] + {%- endfor %}''') + assert tmpl.render(seq=[ + dict(a=1, b=[dict(a=1), dict(a=2)]), + dict(a=2, b=[dict(a=1), dict(a=2)]), + dict(a=3, b=[dict(a='a')]) + ]) == '[1<[1][2]>][2<[1][2]>][3<[a]>]' + + def test_recursive_depth0(self): + tmpl = env.from_string('''{% for item in seq recursive -%} + [{{ loop.depth0 }}:{{ item.a }}{% if item.b %}<{{ loop(item.b) }}>{% endif %}] + {%- endfor %}''') + self.assertEqual(tmpl.render(seq=[ + dict(a=1, b=[dict(a=1), dict(a=2)]), + dict(a=2, b=[dict(a=1), dict(a=2)]), + dict(a=3, b=[dict(a='a')]) + ]), '[0:1<[1:1][1:2]>][0:2<[1:1][1:2]>][0:3<[1:a]>]') + + def test_recursive_depth(self): + tmpl = env.from_string('''{% for item in seq recursive -%} + [{{ loop.depth }}:{{ item.a }}{% if item.b %}<{{ loop(item.b) }}>{% endif %}] + {%- endfor %}''') + self.assertEqual(tmpl.render(seq=[ + dict(a=1, b=[dict(a=1), dict(a=2)]), + dict(a=2, b=[dict(a=1), dict(a=2)]), + dict(a=3, b=[dict(a='a')]) + ]), '[1:1<[2:1][2:2]>][1:2<[2:1][2:2]>][1:3<[2:a]>]') + + def test_looploop(self): + tmpl = env.from_string('''{% for row in table %} + {%- set rowloop = loop -%} + {% for cell in row -%} + [{{ rowloop.index }}|{{ loop.index }}] + {%- endfor %} + {%- endfor %}''') + assert tmpl.render(table=['ab', 'cd']) == '[1|1][1|2][2|1][2|2]' + + def test_reversed_bug(self): + tmpl = env.from_string('{% for i in items %}{{ i }}' + '{% if not loop.last %}' + ',{% endif %}{% endfor %}') + assert tmpl.render(items=reversed([3, 2, 1])) == '1,2,3' + + def test_loop_errors(self): + tmpl = env.from_string('''{% for item in [1] if loop.index + == 0 %}...{% endfor %}''') + self.assert_raises(UndefinedError, tmpl.render) + tmpl = env.from_string('''{% for item in [] %}...{% else + %}{{ loop }}{% endfor %}''') + assert tmpl.render() == '' + + def test_loop_filter(self): + tmpl = env.from_string('{% for item in range(10) if item ' + 'is even %}[{{ item }}]{% endfor %}') + assert tmpl.render() == '[0][2][4][6][8]' + tmpl = env.from_string(''' + {%- for item in range(10) if item is even %}[{{ + loop.index }}:{{ item }}]{% endfor %}''') + assert tmpl.render() == '[1:0][2:2][3:4][4:6][5:8]' + + def test_loop_unassignable(self): + self.assert_raises(TemplateSyntaxError, env.from_string, + '{% for loop in seq %}...{% endfor %}') + + def test_scoped_special_var(self): + t = env.from_string('{% for s in seq %}[{{ loop.first }}{% for c in s %}' + '|{{ loop.first }}{% endfor %}]{% endfor %}') + assert t.render(seq=('ab', 'cd')) == '[True|True|False][False|True|False]' + + def test_scoped_loop_var(self): + t = env.from_string('{% for x in seq %}{{ loop.first }}' + '{% for y in seq %}{% endfor %}{% endfor %}') + assert t.render(seq='ab') == 'TrueFalse' + t = env.from_string('{% for x in seq %}{% for y in seq %}' + '{{ loop.first }}{% endfor %}{% endfor %}') + assert t.render(seq='ab') == 'TrueFalseTrueFalse' + + def test_recursive_empty_loop_iter(self): + t = env.from_string(''' + {%- for item in foo recursive -%}{%- endfor -%} + ''') + assert t.render(dict(foo=[])) == '' + + def test_call_in_loop(self): + t = env.from_string(''' + {%- macro do_something() -%} + [{{ caller() }}] + {%- endmacro %} + + {%- for i in [1, 2, 3] %} + {%- call do_something() -%} + {{ i }} + {%- endcall %} + {%- endfor -%} + ''') + assert t.render() == '[1][2][3]' + + def test_scoping_bug(self): + t = env.from_string(''' + {%- for item in foo %}...{{ item }}...{% endfor %} + {%- macro item(a) %}...{{ a }}...{% endmacro %} + {{- item(2) -}} + ''') + assert t.render(foo=(1,)) == '...1......2...' + + def test_unpacking(self): + tmpl = env.from_string('{% for a, b, c in [[1, 2, 3]] %}' + '{{ a }}|{{ b }}|{{ c }}{% endfor %}') + assert tmpl.render() == '1|2|3' + + +class IfConditionTestCase(JinjaTestCase): + + def test_simple(self): + tmpl = env.from_string('''{% if true %}...{% endif %}''') + assert tmpl.render() == '...' + + def test_elif(self): + tmpl = env.from_string('''{% if false %}XXX{% elif true + %}...{% else %}XXX{% endif %}''') + assert tmpl.render() == '...' + + def test_else(self): + tmpl = env.from_string('{% if false %}XXX{% else %}...{% endif %}') + assert tmpl.render() == '...' + + def test_empty(self): + tmpl = env.from_string('[{% if true %}{% else %}{% endif %}]') + assert tmpl.render() == '[]' + + def test_complete(self): + tmpl = env.from_string('{% if a %}A{% elif b %}B{% elif c == d %}' + 'C{% else %}D{% endif %}') + assert tmpl.render(a=0, b=False, c=42, d=42.0) == 'C' + + def test_no_scope(self): + tmpl = env.from_string('{% if a %}{% set foo = 1 %}{% endif %}{{ foo }}') + assert tmpl.render(a=True) == '1' + tmpl = env.from_string('{% if true %}{% set foo = 1 %}{% endif %}{{ foo }}') + assert tmpl.render() == '1' + + +class MacrosTestCase(JinjaTestCase): + env = Environment(trim_blocks=True) + + def test_simple(self): + tmpl = self.env.from_string('''\ +{% macro say_hello(name) %}Hello {{ name }}!{% endmacro %} +{{ say_hello('Peter') }}''') + assert tmpl.render() == 'Hello Peter!' + + def test_scoping(self): + tmpl = self.env.from_string('''\ +{% macro level1(data1) %} +{% macro level2(data2) %}{{ data1 }}|{{ data2 }}{% endmacro %} +{{ level2('bar') }}{% endmacro %} +{{ level1('foo') }}''') + assert tmpl.render() == 'foo|bar' + + def test_arguments(self): + tmpl = self.env.from_string('''\ +{% macro m(a, b, c='c', d='d') %}{{ a }}|{{ b }}|{{ c }}|{{ d }}{% endmacro %} +{{ m() }}|{{ m('a') }}|{{ m('a', 'b') }}|{{ m(1, 2, 3) }}''') + assert tmpl.render() == '||c|d|a||c|d|a|b|c|d|1|2|3|d' + + def test_varargs(self): + tmpl = self.env.from_string('''\ +{% macro test() %}{{ varargs|join('|') }}{% endmacro %}\ +{{ test(1, 2, 3) }}''') + assert tmpl.render() == '1|2|3' + + def test_simple_call(self): + tmpl = self.env.from_string('''\ +{% macro test() %}[[{{ caller() }}]]{% endmacro %}\ +{% call test() %}data{% endcall %}''') + assert tmpl.render() == '[[data]]' + + def test_complex_call(self): + tmpl = self.env.from_string('''\ +{% macro test() %}[[{{ caller('data') }}]]{% endmacro %}\ +{% call(data) test() %}{{ data }}{% endcall %}''') + assert tmpl.render() == '[[data]]' + + def test_caller_undefined(self): + tmpl = self.env.from_string('''\ +{% set caller = 42 %}\ +{% macro test() %}{{ caller is not defined }}{% endmacro %}\ +{{ test() }}''') + assert tmpl.render() == 'True' + + def test_include(self): + self.env = Environment(loader=DictLoader({'include': + '{% macro test(foo) %}[{{ foo }}]{% endmacro %}'})) + tmpl = self.env.from_string('{% from "include" import test %}{{ test("foo") }}') + assert tmpl.render() == '[foo]' + + def test_macro_api(self): + tmpl = self.env.from_string('{% macro foo(a, b) %}{% endmacro %}' + '{% macro bar() %}{{ varargs }}{{ kwargs }}{% endmacro %}' + '{% macro baz() %}{{ caller() }}{% endmacro %}') + assert tmpl.module.foo.arguments == ('a', 'b') + assert tmpl.module.foo.defaults == () + assert tmpl.module.foo.name == 'foo' + assert not tmpl.module.foo.caller + assert not tmpl.module.foo.catch_kwargs + assert not tmpl.module.foo.catch_varargs + assert tmpl.module.bar.arguments == () + assert tmpl.module.bar.defaults == () + assert not tmpl.module.bar.caller + assert tmpl.module.bar.catch_kwargs + assert tmpl.module.bar.catch_varargs + assert tmpl.module.baz.caller + + def test_callself(self): + tmpl = self.env.from_string('{% macro foo(x) %}{{ x }}{% if x > 1 %}|' + '{{ foo(x - 1) }}{% endif %}{% endmacro %}' + '{{ foo(5) }}') + assert tmpl.render() == '5|4|3|2|1' + + +def suite(): + suite = unittest.TestSuite() + suite.addTest(unittest.makeSuite(ForLoopTestCase)) + suite.addTest(unittest.makeSuite(IfConditionTestCase)) + suite.addTest(unittest.makeSuite(MacrosTestCase)) + return suite diff --git a/pyload/lib/jinja2/testsuite/debug.py b/pyload/lib/jinja2/testsuite/debug.py new file mode 100644 index 000000000..2588a83ea --- /dev/null +++ b/pyload/lib/jinja2/testsuite/debug.py @@ -0,0 +1,58 @@ +# -*- coding: utf-8 -*- +""" + jinja2.testsuite.debug + ~~~~~~~~~~~~~~~~~~~~~~ + + Tests the debug system. + + :copyright: (c) 2010 by the Jinja Team. + :license: BSD, see LICENSE for more details. +""" +import unittest + +from jinja2.testsuite import JinjaTestCase, filesystem_loader + +from jinja2 import Environment, TemplateSyntaxError + +env = Environment(loader=filesystem_loader) + + +class DebugTestCase(JinjaTestCase): + + def test_runtime_error(self): + def test(): + tmpl.render(fail=lambda: 1 / 0) + tmpl = env.get_template('broken.html') + self.assert_traceback_matches(test, r''' + File ".*?broken.html", line 2, in (top-level template code|<module>) + \{\{ fail\(\) \}\} + File ".*?debug.pyc?", line \d+, in <lambda> + tmpl\.render\(fail=lambda: 1 / 0\) +ZeroDivisionError: (int(eger)? )?division (or modulo )?by zero +''') + + def test_syntax_error(self): + # XXX: the .*? is necessary for python3 which does not hide + # some of the stack frames we don't want to show. Not sure + # what's up with that, but that is not that critical. Should + # be fixed though. + self.assert_traceback_matches(lambda: env.get_template('syntaxerror.html'), r'''(?sm) + File ".*?syntaxerror.html", line 4, in (template|<module>) + \{% endif %\}.*? +(jinja2\.exceptions\.)?TemplateSyntaxError: Encountered unknown tag 'endif'. Jinja was looking for the following tags: 'endfor' or 'else'. The innermost block that needs to be closed is 'for'. + ''') + + def test_regular_syntax_error(self): + def test(): + raise TemplateSyntaxError('wtf', 42) + self.assert_traceback_matches(test, r''' + File ".*debug.pyc?", line \d+, in test + raise TemplateSyntaxError\('wtf', 42\) +(jinja2\.exceptions\.)?TemplateSyntaxError: wtf + line 42''') + + +def suite(): + suite = unittest.TestSuite() + suite.addTest(unittest.makeSuite(DebugTestCase)) + return suite diff --git a/pyload/lib/jinja2/testsuite/doctests.py b/pyload/lib/jinja2/testsuite/doctests.py new file mode 100644 index 000000000..616d3b6ee --- /dev/null +++ b/pyload/lib/jinja2/testsuite/doctests.py @@ -0,0 +1,29 @@ +# -*- coding: utf-8 -*- +""" + jinja2.testsuite.doctests + ~~~~~~~~~~~~~~~~~~~~~~~~~ + + The doctests. Collects all tests we want to test from + the Jinja modules. + + :copyright: (c) 2010 by the Jinja Team. + :license: BSD, see LICENSE for more details. +""" +import unittest +import doctest + + +def suite(): + from jinja2 import utils, sandbox, runtime, meta, loaders, \ + ext, environment, bccache, nodes + suite = unittest.TestSuite() + suite.addTest(doctest.DocTestSuite(utils)) + suite.addTest(doctest.DocTestSuite(sandbox)) + suite.addTest(doctest.DocTestSuite(runtime)) + suite.addTest(doctest.DocTestSuite(meta)) + suite.addTest(doctest.DocTestSuite(loaders)) + suite.addTest(doctest.DocTestSuite(ext)) + suite.addTest(doctest.DocTestSuite(environment)) + suite.addTest(doctest.DocTestSuite(bccache)) + suite.addTest(doctest.DocTestSuite(nodes)) + return suite diff --git a/pyload/lib/jinja2/testsuite/ext.py b/pyload/lib/jinja2/testsuite/ext.py new file mode 100644 index 000000000..0f93be945 --- /dev/null +++ b/pyload/lib/jinja2/testsuite/ext.py @@ -0,0 +1,459 @@ +# -*- coding: utf-8 -*- +""" + jinja2.testsuite.ext + ~~~~~~~~~~~~~~~~~~~~ + + Tests for the extensions. + + :copyright: (c) 2010 by the Jinja Team. + :license: BSD, see LICENSE for more details. +""" +import re +import unittest + +from jinja2.testsuite import JinjaTestCase + +from jinja2 import Environment, DictLoader, contextfunction, nodes +from jinja2.exceptions import TemplateAssertionError +from jinja2.ext import Extension +from jinja2.lexer import Token, count_newlines +from jinja2._compat import next, BytesIO, itervalues, text_type + +importable_object = 23 + +_gettext_re = re.compile(r'_\((.*?)\)(?s)') + + +i18n_templates = { + 'master.html': '<title>{{ page_title|default(_("missing")) }}</title>' + '{% block body %}{% endblock %}', + 'child.html': '{% extends "master.html" %}{% block body %}' + '{% trans %}watch out{% endtrans %}{% endblock %}', + 'plural.html': '{% trans user_count %}One user online{% pluralize %}' + '{{ user_count }} users online{% endtrans %}', + 'plural2.html': '{% trans user_count=get_user_count() %}{{ user_count }}s' + '{% pluralize %}{{ user_count }}p{% endtrans %}', + 'stringformat.html': '{{ _("User: %(num)s")|format(num=user_count) }}' +} + +newstyle_i18n_templates = { + 'master.html': '<title>{{ page_title|default(_("missing")) }}</title>' + '{% block body %}{% endblock %}', + 'child.html': '{% extends "master.html" %}{% block body %}' + '{% trans %}watch out{% endtrans %}{% endblock %}', + 'plural.html': '{% trans user_count %}One user online{% pluralize %}' + '{{ user_count }} users online{% endtrans %}', + 'stringformat.html': '{{ _("User: %(num)s", num=user_count) }}', + 'ngettext.html': '{{ ngettext("%(num)s apple", "%(num)s apples", apples) }}', + 'ngettext_long.html': '{% trans num=apples %}{{ num }} apple{% pluralize %}' + '{{ num }} apples{% endtrans %}', + 'transvars1.html': '{% trans %}User: {{ num }}{% endtrans %}', + 'transvars2.html': '{% trans num=count %}User: {{ num }}{% endtrans %}', + 'transvars3.html': '{% trans count=num %}User: {{ count }}{% endtrans %}', + 'novars.html': '{% trans %}%(hello)s{% endtrans %}', + 'vars.html': '{% trans %}{{ foo }}%(foo)s{% endtrans %}', + 'explicitvars.html': '{% trans foo="42" %}%(foo)s{% endtrans %}' +} + + +languages = { + 'de': { + 'missing': u'fehlend', + 'watch out': u'pass auf', + 'One user online': u'Ein Benutzer online', + '%(user_count)s users online': u'%(user_count)s Benutzer online', + 'User: %(num)s': u'Benutzer: %(num)s', + 'User: %(count)s': u'Benutzer: %(count)s', + '%(num)s apple': u'%(num)s Apfel', + '%(num)s apples': u'%(num)s Äpfel' + } +} + + +@contextfunction +def gettext(context, string): + language = context.get('LANGUAGE', 'en') + return languages.get(language, {}).get(string, string) + + +@contextfunction +def ngettext(context, s, p, n): + language = context.get('LANGUAGE', 'en') + if n != 1: + return languages.get(language, {}).get(p, p) + return languages.get(language, {}).get(s, s) + + +i18n_env = Environment( + loader=DictLoader(i18n_templates), + extensions=['jinja2.ext.i18n'] +) +i18n_env.globals.update({ + '_': gettext, + 'gettext': gettext, + 'ngettext': ngettext +}) + +newstyle_i18n_env = Environment( + loader=DictLoader(newstyle_i18n_templates), + extensions=['jinja2.ext.i18n'] +) +newstyle_i18n_env.install_gettext_callables(gettext, ngettext, newstyle=True) + +class TestExtension(Extension): + tags = set(['test']) + ext_attr = 42 + + def parse(self, parser): + return nodes.Output([self.call_method('_dump', [ + nodes.EnvironmentAttribute('sandboxed'), + self.attr('ext_attr'), + nodes.ImportedName(__name__ + '.importable_object'), + nodes.ContextReference() + ])]).set_lineno(next(parser.stream).lineno) + + def _dump(self, sandboxed, ext_attr, imported_object, context): + return '%s|%s|%s|%s' % ( + sandboxed, + ext_attr, + imported_object, + context.blocks + ) + + +class PreprocessorExtension(Extension): + + def preprocess(self, source, name, filename=None): + return source.replace('[[TEST]]', '({{ foo }})') + + +class StreamFilterExtension(Extension): + + def filter_stream(self, stream): + for token in stream: + if token.type == 'data': + for t in self.interpolate(token): + yield t + else: + yield token + + def interpolate(self, token): + pos = 0 + end = len(token.value) + lineno = token.lineno + while 1: + match = _gettext_re.search(token.value, pos) + if match is None: + break + value = token.value[pos:match.start()] + if value: + yield Token(lineno, 'data', value) + lineno += count_newlines(token.value) + yield Token(lineno, 'variable_begin', None) + yield Token(lineno, 'name', 'gettext') + yield Token(lineno, 'lparen', None) + yield Token(lineno, 'string', match.group(1)) + yield Token(lineno, 'rparen', None) + yield Token(lineno, 'variable_end', None) + pos = match.end() + if pos < end: + yield Token(lineno, 'data', token.value[pos:]) + + +class ExtensionsTestCase(JinjaTestCase): + + def test_extend_late(self): + env = Environment() + env.add_extension('jinja2.ext.autoescape') + t = env.from_string('{% autoescape true %}{{ "<test>" }}{% endautoescape %}') + assert t.render() == '<test>' + + def test_loop_controls(self): + env = Environment(extensions=['jinja2.ext.loopcontrols']) + + tmpl = env.from_string(''' + {%- for item in [1, 2, 3, 4] %} + {%- if item % 2 == 0 %}{% continue %}{% endif -%} + {{ item }} + {%- endfor %}''') + assert tmpl.render() == '13' + + tmpl = env.from_string(''' + {%- for item in [1, 2, 3, 4] %} + {%- if item > 2 %}{% break %}{% endif -%} + {{ item }} + {%- endfor %}''') + assert tmpl.render() == '12' + + def test_do(self): + env = Environment(extensions=['jinja2.ext.do']) + tmpl = env.from_string(''' + {%- set items = [] %} + {%- for char in "foo" %} + {%- do items.append(loop.index0 ~ char) %} + {%- endfor %}{{ items|join(', ') }}''') + assert tmpl.render() == '0f, 1o, 2o' + + def test_with(self): + env = Environment(extensions=['jinja2.ext.with_']) + tmpl = env.from_string('''\ + {% with a=42, b=23 -%} + {{ a }} = {{ b }} + {% endwith -%} + {{ a }} = {{ b }}\ + ''') + assert [x.strip() for x in tmpl.render(a=1, b=2).splitlines()] \ + == ['42 = 23', '1 = 2'] + + def test_extension_nodes(self): + env = Environment(extensions=[TestExtension]) + tmpl = env.from_string('{% test %}') + assert tmpl.render() == 'False|42|23|{}' + + def test_identifier(self): + assert TestExtension.identifier == __name__ + '.TestExtension' + + def test_rebinding(self): + original = Environment(extensions=[TestExtension]) + overlay = original.overlay() + for env in original, overlay: + for ext in itervalues(env.extensions): + assert ext.environment is env + + def test_preprocessor_extension(self): + env = Environment(extensions=[PreprocessorExtension]) + tmpl = env.from_string('{[[TEST]]}') + assert tmpl.render(foo=42) == '{(42)}' + + def test_streamfilter_extension(self): + env = Environment(extensions=[StreamFilterExtension]) + env.globals['gettext'] = lambda x: x.upper() + tmpl = env.from_string('Foo _(bar) Baz') + out = tmpl.render() + assert out == 'Foo BAR Baz' + + def test_extension_ordering(self): + class T1(Extension): + priority = 1 + class T2(Extension): + priority = 2 + env = Environment(extensions=[T1, T2]) + ext = list(env.iter_extensions()) + assert ext[0].__class__ is T1 + assert ext[1].__class__ is T2 + + +class InternationalizationTestCase(JinjaTestCase): + + def test_trans(self): + tmpl = i18n_env.get_template('child.html') + assert tmpl.render(LANGUAGE='de') == '<title>fehlend</title>pass auf' + + def test_trans_plural(self): + tmpl = i18n_env.get_template('plural.html') + assert tmpl.render(LANGUAGE='de', user_count=1) == 'Ein Benutzer online' + assert tmpl.render(LANGUAGE='de', user_count=2) == '2 Benutzer online' + + def test_trans_plural_with_functions(self): + tmpl = i18n_env.get_template('plural2.html') + def get_user_count(): + get_user_count.called += 1 + return 1 + get_user_count.called = 0 + assert tmpl.render(LANGUAGE='de', get_user_count=get_user_count) == '1s' + assert get_user_count.called == 1 + + def test_complex_plural(self): + tmpl = i18n_env.from_string('{% trans foo=42, count=2 %}{{ count }} item{% ' + 'pluralize count %}{{ count }} items{% endtrans %}') + assert tmpl.render() == '2 items' + self.assert_raises(TemplateAssertionError, i18n_env.from_string, + '{% trans foo %}...{% pluralize bar %}...{% endtrans %}') + + def test_trans_stringformatting(self): + tmpl = i18n_env.get_template('stringformat.html') + assert tmpl.render(LANGUAGE='de', user_count=5) == 'Benutzer: 5' + + def test_extract(self): + from jinja2.ext import babel_extract + source = BytesIO(''' + {{ gettext('Hello World') }} + {% trans %}Hello World{% endtrans %} + {% trans %}{{ users }} user{% pluralize %}{{ users }} users{% endtrans %} + '''.encode('ascii')) # make python 3 happy + assert list(babel_extract(source, ('gettext', 'ngettext', '_'), [], {})) == [ + (2, 'gettext', u'Hello World', []), + (3, 'gettext', u'Hello World', []), + (4, 'ngettext', (u'%(users)s user', u'%(users)s users', None), []) + ] + + def test_comment_extract(self): + from jinja2.ext import babel_extract + source = BytesIO(''' + {# trans first #} + {{ gettext('Hello World') }} + {% trans %}Hello World{% endtrans %}{# trans second #} + {#: third #} + {% trans %}{{ users }} user{% pluralize %}{{ users }} users{% endtrans %} + '''.encode('utf-8')) # make python 3 happy + assert list(babel_extract(source, ('gettext', 'ngettext', '_'), ['trans', ':'], {})) == [ + (3, 'gettext', u'Hello World', ['first']), + (4, 'gettext', u'Hello World', ['second']), + (6, 'ngettext', (u'%(users)s user', u'%(users)s users', None), ['third']) + ] + + +class NewstyleInternationalizationTestCase(JinjaTestCase): + + def test_trans(self): + tmpl = newstyle_i18n_env.get_template('child.html') + assert tmpl.render(LANGUAGE='de') == '<title>fehlend</title>pass auf' + + def test_trans_plural(self): + tmpl = newstyle_i18n_env.get_template('plural.html') + assert tmpl.render(LANGUAGE='de', user_count=1) == 'Ein Benutzer online' + assert tmpl.render(LANGUAGE='de', user_count=2) == '2 Benutzer online' + + def test_complex_plural(self): + tmpl = newstyle_i18n_env.from_string('{% trans foo=42, count=2 %}{{ count }} item{% ' + 'pluralize count %}{{ count }} items{% endtrans %}') + assert tmpl.render() == '2 items' + self.assert_raises(TemplateAssertionError, i18n_env.from_string, + '{% trans foo %}...{% pluralize bar %}...{% endtrans %}') + + def test_trans_stringformatting(self): + tmpl = newstyle_i18n_env.get_template('stringformat.html') + assert tmpl.render(LANGUAGE='de', user_count=5) == 'Benutzer: 5' + + def test_newstyle_plural(self): + tmpl = newstyle_i18n_env.get_template('ngettext.html') + assert tmpl.render(LANGUAGE='de', apples=1) == '1 Apfel' + assert tmpl.render(LANGUAGE='de', apples=5) == u'5 Äpfel' + + def test_autoescape_support(self): + env = Environment(extensions=['jinja2.ext.autoescape', + 'jinja2.ext.i18n']) + env.install_gettext_callables(lambda x: u'<strong>Wert: %(name)s</strong>', + lambda s, p, n: s, newstyle=True) + t = env.from_string('{% autoescape ae %}{{ gettext("foo", name=' + '"<test>") }}{% endautoescape %}') + assert t.render(ae=True) == '<strong>Wert: <test></strong>' + assert t.render(ae=False) == '<strong>Wert: <test></strong>' + + def test_num_used_twice(self): + tmpl = newstyle_i18n_env.get_template('ngettext_long.html') + assert tmpl.render(apples=5, LANGUAGE='de') == u'5 Äpfel' + + def test_num_called_num(self): + source = newstyle_i18n_env.compile(''' + {% trans num=3 %}{{ num }} apple{% pluralize + %}{{ num }} apples{% endtrans %} + ''', raw=True) + # quite hacky, but the only way to properly test that. The idea is + # that the generated code does not pass num twice (although that + # would work) for better performance. This only works on the + # newstyle gettext of course + assert re.search(r"l_ngettext, u?'\%\(num\)s apple', u?'\%\(num\)s " + r"apples', 3", source) is not None + + def test_trans_vars(self): + t1 = newstyle_i18n_env.get_template('transvars1.html') + t2 = newstyle_i18n_env.get_template('transvars2.html') + t3 = newstyle_i18n_env.get_template('transvars3.html') + assert t1.render(num=1, LANGUAGE='de') == 'Benutzer: 1' + assert t2.render(count=23, LANGUAGE='de') == 'Benutzer: 23' + assert t3.render(num=42, LANGUAGE='de') == 'Benutzer: 42' + + def test_novars_vars_escaping(self): + t = newstyle_i18n_env.get_template('novars.html') + assert t.render() == '%(hello)s' + t = newstyle_i18n_env.get_template('vars.html') + assert t.render(foo='42') == '42%(foo)s' + t = newstyle_i18n_env.get_template('explicitvars.html') + assert t.render() == '%(foo)s' + + +class AutoEscapeTestCase(JinjaTestCase): + + def test_scoped_setting(self): + env = Environment(extensions=['jinja2.ext.autoescape'], + autoescape=True) + tmpl = env.from_string(''' + {{ "<HelloWorld>" }} + {% autoescape false %} + {{ "<HelloWorld>" }} + {% endautoescape %} + {{ "<HelloWorld>" }} + ''') + assert tmpl.render().split() == \ + [u'<HelloWorld>', u'<HelloWorld>', u'<HelloWorld>'] + + env = Environment(extensions=['jinja2.ext.autoescape'], + autoescape=False) + tmpl = env.from_string(''' + {{ "<HelloWorld>" }} + {% autoescape true %} + {{ "<HelloWorld>" }} + {% endautoescape %} + {{ "<HelloWorld>" }} + ''') + assert tmpl.render().split() == \ + [u'<HelloWorld>', u'<HelloWorld>', u'<HelloWorld>'] + + def test_nonvolatile(self): + env = Environment(extensions=['jinja2.ext.autoescape'], + autoescape=True) + tmpl = env.from_string('{{ {"foo": "<test>"}|xmlattr|escape }}') + assert tmpl.render() == ' foo="<test>"' + tmpl = env.from_string('{% autoescape false %}{{ {"foo": "<test>"}' + '|xmlattr|escape }}{% endautoescape %}') + assert tmpl.render() == ' foo="&lt;test&gt;"' + + def test_volatile(self): + env = Environment(extensions=['jinja2.ext.autoescape'], + autoescape=True) + tmpl = env.from_string('{% autoescape foo %}{{ {"foo": "<test>"}' + '|xmlattr|escape }}{% endautoescape %}') + assert tmpl.render(foo=False) == ' foo="&lt;test&gt;"' + assert tmpl.render(foo=True) == ' foo="<test>"' + + def test_scoping(self): + env = Environment(extensions=['jinja2.ext.autoescape']) + tmpl = env.from_string('{% autoescape true %}{% set x = "<x>" %}{{ x }}' + '{% endautoescape %}{{ x }}{{ "<y>" }}') + assert tmpl.render(x=1) == '<x>1<y>' + + def test_volatile_scoping(self): + env = Environment(extensions=['jinja2.ext.autoescape']) + tmplsource = ''' + {% autoescape val %} + {% macro foo(x) %} + [{{ x }}] + {% endmacro %} + {{ foo().__class__.__name__ }} + {% endautoescape %} + {{ '<testing>' }} + ''' + tmpl = env.from_string(tmplsource) + assert tmpl.render(val=True).split()[0] == 'Markup' + assert tmpl.render(val=False).split()[0] == text_type.__name__ + + # looking at the source we should see <testing> there in raw + # (and then escaped as well) + env = Environment(extensions=['jinja2.ext.autoescape']) + pysource = env.compile(tmplsource, raw=True) + assert '<testing>\\n' in pysource + + env = Environment(extensions=['jinja2.ext.autoescape'], + autoescape=True) + pysource = env.compile(tmplsource, raw=True) + assert '<testing>\\n' in pysource + + +def suite(): + suite = unittest.TestSuite() + suite.addTest(unittest.makeSuite(ExtensionsTestCase)) + suite.addTest(unittest.makeSuite(InternationalizationTestCase)) + suite.addTest(unittest.makeSuite(NewstyleInternationalizationTestCase)) + suite.addTest(unittest.makeSuite(AutoEscapeTestCase)) + return suite diff --git a/pyload/lib/jinja2/testsuite/filters.py b/pyload/lib/jinja2/testsuite/filters.py new file mode 100644 index 000000000..282dd2d85 --- /dev/null +++ b/pyload/lib/jinja2/testsuite/filters.py @@ -0,0 +1,515 @@ +# -*- coding: utf-8 -*- +""" + jinja2.testsuite.filters + ~~~~~~~~~~~~~~~~~~~~~~~~ + + Tests for the jinja filters. + + :copyright: (c) 2010 by the Jinja Team. + :license: BSD, see LICENSE for more details. +""" +import unittest +from jinja2.testsuite import JinjaTestCase + +from jinja2 import Markup, Environment +from jinja2._compat import text_type, implements_to_string + +env = Environment() + + +class FilterTestCase(JinjaTestCase): + + def test_filter_calling(self): + rv = env.call_filter('sum', [1, 2, 3]) + self.assert_equal(rv, 6) + + def test_capitalize(self): + tmpl = env.from_string('{{ "foo bar"|capitalize }}') + assert tmpl.render() == 'Foo bar' + + def test_center(self): + tmpl = env.from_string('{{ "foo"|center(9) }}') + assert tmpl.render() == ' foo ' + + def test_default(self): + tmpl = env.from_string( + "{{ missing|default('no') }}|{{ false|default('no') }}|" + "{{ false|default('no', true) }}|{{ given|default('no') }}" + ) + assert tmpl.render(given='yes') == 'no|False|no|yes' + + def test_dictsort(self): + tmpl = env.from_string( + '{{ foo|dictsort }}|' + '{{ foo|dictsort(true) }}|' + '{{ foo|dictsort(false, "value") }}' + ) + out = tmpl.render(foo={"aa": 0, "b": 1, "c": 2, "AB": 3}) + assert out == ("[('aa', 0), ('AB', 3), ('b', 1), ('c', 2)]|" + "[('AB', 3), ('aa', 0), ('b', 1), ('c', 2)]|" + "[('aa', 0), ('b', 1), ('c', 2), ('AB', 3)]") + + def test_batch(self): + tmpl = env.from_string("{{ foo|batch(3)|list }}|" + "{{ foo|batch(3, 'X')|list }}") + out = tmpl.render(foo=list(range(10))) + assert out == ("[[0, 1, 2], [3, 4, 5], [6, 7, 8], [9]]|" + "[[0, 1, 2], [3, 4, 5], [6, 7, 8], [9, 'X', 'X']]") + + def test_slice(self): + tmpl = env.from_string('{{ foo|slice(3)|list }}|' + '{{ foo|slice(3, "X")|list }}') + out = tmpl.render(foo=list(range(10))) + assert out == ("[[0, 1, 2, 3], [4, 5, 6], [7, 8, 9]]|" + "[[0, 1, 2, 3], [4, 5, 6, 'X'], [7, 8, 9, 'X']]") + + def test_escape(self): + tmpl = env.from_string('''{{ '<">&'|escape }}''') + out = tmpl.render() + assert out == '<">&' + + def test_striptags(self): + tmpl = env.from_string('''{{ foo|striptags }}''') + out = tmpl.render(foo=' <p>just a small \n <a href="#">' + 'example</a> link</p>\n<p>to a webpage</p> ' + '<!-- <p>and some commented stuff</p> -->') + assert out == 'just a small example link to a webpage' + + def test_filesizeformat(self): + tmpl = env.from_string( + '{{ 100|filesizeformat }}|' + '{{ 1000|filesizeformat }}|' + '{{ 1000000|filesizeformat }}|' + '{{ 1000000000|filesizeformat }}|' + '{{ 1000000000000|filesizeformat }}|' + '{{ 100|filesizeformat(true) }}|' + '{{ 1000|filesizeformat(true) }}|' + '{{ 1000000|filesizeformat(true) }}|' + '{{ 1000000000|filesizeformat(true) }}|' + '{{ 1000000000000|filesizeformat(true) }}' + ) + out = tmpl.render() + self.assert_equal(out, ( + '100 Bytes|1.0 kB|1.0 MB|1.0 GB|1.0 TB|100 Bytes|' + '1000 Bytes|976.6 KiB|953.7 MiB|931.3 GiB' + )) + + def test_filesizeformat_issue59(self): + tmpl = env.from_string( + '{{ 300|filesizeformat }}|' + '{{ 3000|filesizeformat }}|' + '{{ 3000000|filesizeformat }}|' + '{{ 3000000000|filesizeformat }}|' + '{{ 3000000000000|filesizeformat }}|' + '{{ 300|filesizeformat(true) }}|' + '{{ 3000|filesizeformat(true) }}|' + '{{ 3000000|filesizeformat(true) }}' + ) + out = tmpl.render() + self.assert_equal(out, ( + '300 Bytes|3.0 kB|3.0 MB|3.0 GB|3.0 TB|300 Bytes|' + '2.9 KiB|2.9 MiB' + )) + + + def test_first(self): + tmpl = env.from_string('{{ foo|first }}') + out = tmpl.render(foo=list(range(10))) + assert out == '0' + + def test_float(self): + tmpl = env.from_string('{{ "42"|float }}|' + '{{ "ajsghasjgd"|float }}|' + '{{ "32.32"|float }}') + out = tmpl.render() + assert out == '42.0|0.0|32.32' + + def test_format(self): + tmpl = env.from_string('''{{ "%s|%s"|format("a", "b") }}''') + out = tmpl.render() + assert out == 'a|b' + + def test_indent(self): + tmpl = env.from_string('{{ foo|indent(2) }}|{{ foo|indent(2, true) }}') + text = '\n'.join([' '.join(['foo', 'bar'] * 2)] * 2) + out = tmpl.render(foo=text) + assert out == ('foo bar foo bar\n foo bar foo bar| ' + 'foo bar foo bar\n foo bar foo bar') + + def test_int(self): + tmpl = env.from_string('{{ "42"|int }}|{{ "ajsghasjgd"|int }}|' + '{{ "32.32"|int }}') + out = tmpl.render() + assert out == '42|0|32' + + def test_join(self): + tmpl = env.from_string('{{ [1, 2, 3]|join("|") }}') + out = tmpl.render() + assert out == '1|2|3' + + env2 = Environment(autoescape=True) + tmpl = env2.from_string('{{ ["<foo>", "<span>foo</span>"|safe]|join }}') + assert tmpl.render() == '<foo><span>foo</span>' + + def test_join_attribute(self): + class User(object): + def __init__(self, username): + self.username = username + tmpl = env.from_string('''{{ users|join(', ', 'username') }}''') + assert tmpl.render(users=map(User, ['foo', 'bar'])) == 'foo, bar' + + def test_last(self): + tmpl = env.from_string('''{{ foo|last }}''') + out = tmpl.render(foo=list(range(10))) + assert out == '9' + + def test_length(self): + tmpl = env.from_string('''{{ "hello world"|length }}''') + out = tmpl.render() + assert out == '11' + + def test_lower(self): + tmpl = env.from_string('''{{ "FOO"|lower }}''') + out = tmpl.render() + assert out == 'foo' + + def test_pprint(self): + from pprint import pformat + tmpl = env.from_string('''{{ data|pprint }}''') + data = list(range(1000)) + assert tmpl.render(data=data) == pformat(data) + + def test_random(self): + tmpl = env.from_string('''{{ seq|random }}''') + seq = list(range(100)) + for _ in range(10): + assert int(tmpl.render(seq=seq)) in seq + + def test_reverse(self): + tmpl = env.from_string('{{ "foobar"|reverse|join }}|' + '{{ [1, 2, 3]|reverse|list }}') + assert tmpl.render() == 'raboof|[3, 2, 1]' + + def test_string(self): + x = [1, 2, 3, 4, 5] + tmpl = env.from_string('''{{ obj|string }}''') + assert tmpl.render(obj=x) == text_type(x) + + def test_title(self): + tmpl = env.from_string('''{{ "foo bar"|title }}''') + assert tmpl.render() == "Foo Bar" + tmpl = env.from_string('''{{ "foo's bar"|title }}''') + assert tmpl.render() == "Foo's Bar" + tmpl = env.from_string('''{{ "foo bar"|title }}''') + assert tmpl.render() == "Foo Bar" + tmpl = env.from_string('''{{ "f bar f"|title }}''') + assert tmpl.render() == "F Bar F" + tmpl = env.from_string('''{{ "foo-bar"|title }}''') + assert tmpl.render() == "Foo-Bar" + tmpl = env.from_string('''{{ "foo\tbar"|title }}''') + assert tmpl.render() == "Foo\tBar" + tmpl = env.from_string('''{{ "FOO\tBAR"|title }}''') + assert tmpl.render() == "Foo\tBar" + + def test_truncate(self): + tmpl = env.from_string( + '{{ data|truncate(15, true, ">>>") }}|' + '{{ data|truncate(15, false, ">>>") }}|' + '{{ smalldata|truncate(15) }}' + ) + out = tmpl.render(data='foobar baz bar' * 1000, + smalldata='foobar baz bar') + assert out == 'foobar baz barf>>>|foobar baz >>>|foobar baz bar' + + def test_upper(self): + tmpl = env.from_string('{{ "foo"|upper }}') + assert tmpl.render() == 'FOO' + + def test_urlize(self): + tmpl = env.from_string('{{ "foo http://www.example.com/ bar"|urlize }}') + assert tmpl.render() == 'foo <a href="http://www.example.com/">'\ + 'http://www.example.com/</a> bar' + + def test_wordcount(self): + tmpl = env.from_string('{{ "foo bar baz"|wordcount }}') + assert tmpl.render() == '3' + + def test_block(self): + tmpl = env.from_string('{% filter lower|escape %}<HEHE>{% endfilter %}') + assert tmpl.render() == '<hehe>' + + def test_chaining(self): + tmpl = env.from_string('''{{ ['<foo>', '<bar>']|first|upper|escape }}''') + assert tmpl.render() == '<FOO>' + + def test_sum(self): + tmpl = env.from_string('''{{ [1, 2, 3, 4, 5, 6]|sum }}''') + assert tmpl.render() == '21' + + def test_sum_attributes(self): + tmpl = env.from_string('''{{ values|sum('value') }}''') + assert tmpl.render(values=[ + {'value': 23}, + {'value': 1}, + {'value': 18}, + ]) == '42' + + def test_sum_attributes_nested(self): + tmpl = env.from_string('''{{ values|sum('real.value') }}''') + assert tmpl.render(values=[ + {'real': {'value': 23}}, + {'real': {'value': 1}}, + {'real': {'value': 18}}, + ]) == '42' + + def test_sum_attributes_tuple(self): + tmpl = env.from_string('''{{ values.items()|sum('1') }}''') + assert tmpl.render(values={ + 'foo': 23, + 'bar': 1, + 'baz': 18, + }) == '42' + + def test_abs(self): + tmpl = env.from_string('''{{ -1|abs }}|{{ 1|abs }}''') + assert tmpl.render() == '1|1', tmpl.render() + + def test_round_positive(self): + tmpl = env.from_string('{{ 2.7|round }}|{{ 2.1|round }}|' + "{{ 2.1234|round(3, 'floor') }}|" + "{{ 2.1|round(0, 'ceil') }}") + assert tmpl.render() == '3.0|2.0|2.123|3.0', tmpl.render() + + def test_round_negative(self): + tmpl = env.from_string('{{ 21.3|round(-1)}}|' + "{{ 21.3|round(-1, 'ceil')}}|" + "{{ 21.3|round(-1, 'floor')}}") + assert tmpl.render() == '20.0|30.0|20.0',tmpl.render() + + def test_xmlattr(self): + tmpl = env.from_string("{{ {'foo': 42, 'bar': 23, 'fish': none, " + "'spam': missing, 'blub:blub': '<?>'}|xmlattr }}") + out = tmpl.render().split() + assert len(out) == 3 + assert 'foo="42"' in out + assert 'bar="23"' in out + assert 'blub:blub="<?>"' in out + + def test_sort1(self): + tmpl = env.from_string('{{ [2, 3, 1]|sort }}|{{ [2, 3, 1]|sort(true) }}') + assert tmpl.render() == '[1, 2, 3]|[3, 2, 1]' + + def test_sort2(self): + tmpl = env.from_string('{{ "".join(["c", "A", "b", "D"]|sort) }}') + assert tmpl.render() == 'AbcD' + + def test_sort3(self): + tmpl = env.from_string('''{{ ['foo', 'Bar', 'blah']|sort }}''') + assert tmpl.render() == "['Bar', 'blah', 'foo']" + + def test_sort4(self): + @implements_to_string + class Magic(object): + def __init__(self, value): + self.value = value + def __str__(self): + return text_type(self.value) + tmpl = env.from_string('''{{ items|sort(attribute='value')|join }}''') + assert tmpl.render(items=map(Magic, [3, 2, 4, 1])) == '1234' + + def test_groupby(self): + tmpl = env.from_string(''' + {%- for grouper, list in [{'foo': 1, 'bar': 2}, + {'foo': 2, 'bar': 3}, + {'foo': 1, 'bar': 1}, + {'foo': 3, 'bar': 4}]|groupby('foo') -%} + {{ grouper }}{% for x in list %}: {{ x.foo }}, {{ x.bar }}{% endfor %}| + {%- endfor %}''') + assert tmpl.render().split('|') == [ + "1: 1, 2: 1, 1", + "2: 2, 3", + "3: 3, 4", + "" + ] + + def test_groupby_tuple_index(self): + tmpl = env.from_string(''' + {%- for grouper, list in [('a', 1), ('a', 2), ('b', 1)]|groupby(0) -%} + {{ grouper }}{% for x in list %}:{{ x.1 }}{% endfor %}| + {%- endfor %}''') + assert tmpl.render() == 'a:1:2|b:1|' + + def test_groupby_multidot(self): + class Date(object): + def __init__(self, day, month, year): + self.day = day + self.month = month + self.year = year + class Article(object): + def __init__(self, title, *date): + self.date = Date(*date) + self.title = title + articles = [ + Article('aha', 1, 1, 1970), + Article('interesting', 2, 1, 1970), + Article('really?', 3, 1, 1970), + Article('totally not', 1, 1, 1971) + ] + tmpl = env.from_string(''' + {%- for year, list in articles|groupby('date.year') -%} + {{ year }}{% for x in list %}[{{ x.title }}]{% endfor %}| + {%- endfor %}''') + assert tmpl.render(articles=articles).split('|') == [ + '1970[aha][interesting][really?]', + '1971[totally not]', + '' + ] + + def test_filtertag(self): + tmpl = env.from_string("{% filter upper|replace('FOO', 'foo') %}" + "foobar{% endfilter %}") + assert tmpl.render() == 'fooBAR' + + def test_replace(self): + env = Environment() + tmpl = env.from_string('{{ string|replace("o", 42) }}') + assert tmpl.render(string='<foo>') == '<f4242>' + env = Environment(autoescape=True) + tmpl = env.from_string('{{ string|replace("o", 42) }}') + assert tmpl.render(string='<foo>') == '<f4242>' + tmpl = env.from_string('{{ string|replace("<", 42) }}') + assert tmpl.render(string='<foo>') == '42foo>' + tmpl = env.from_string('{{ string|replace("o", ">x<") }}') + assert tmpl.render(string=Markup('foo')) == 'f>x<>x<' + + def test_forceescape(self): + tmpl = env.from_string('{{ x|forceescape }}') + assert tmpl.render(x=Markup('<div />')) == u'<div />' + + def test_safe(self): + env = Environment(autoescape=True) + tmpl = env.from_string('{{ "<div>foo</div>"|safe }}') + assert tmpl.render() == '<div>foo</div>' + tmpl = env.from_string('{{ "<div>foo</div>" }}') + assert tmpl.render() == '<div>foo</div>' + + def test_urlencode(self): + env = Environment(autoescape=True) + tmpl = env.from_string('{{ "Hello, world!"|urlencode }}') + assert tmpl.render() == 'Hello%2C%20world%21' + tmpl = env.from_string('{{ o|urlencode }}') + assert tmpl.render(o=u"Hello, world\u203d") == "Hello%2C%20world%E2%80%BD" + assert tmpl.render(o=(("f", 1),)) == "f=1" + assert tmpl.render(o=(('f', 1), ("z", 2))) == "f=1&z=2" + assert tmpl.render(o=((u"\u203d", 1),)) == "%E2%80%BD=1" + assert tmpl.render(o={u"\u203d": 1}) == "%E2%80%BD=1" + assert tmpl.render(o={0: 1}) == "0=1" + + def test_simple_map(self): + env = Environment() + tmpl = env.from_string('{{ ["1", "2", "3"]|map("int")|sum }}') + self.assertEqual(tmpl.render(), '6') + + def test_attribute_map(self): + class User(object): + def __init__(self, name): + self.name = name + env = Environment() + users = [ + User('john'), + User('jane'), + User('mike'), + ] + tmpl = env.from_string('{{ users|map(attribute="name")|join("|") }}') + self.assertEqual(tmpl.render(users=users), 'john|jane|mike') + + def test_empty_map(self): + env = Environment() + tmpl = env.from_string('{{ none|map("upper")|list }}') + self.assertEqual(tmpl.render(), '[]') + + def test_simple_select(self): + env = Environment() + tmpl = env.from_string('{{ [1, 2, 3, 4, 5]|select("odd")|join("|") }}') + self.assertEqual(tmpl.render(), '1|3|5') + + def test_bool_select(self): + env = Environment() + tmpl = env.from_string('{{ [none, false, 0, 1, 2, 3, 4, 5]|select|join("|") }}') + self.assertEqual(tmpl.render(), '1|2|3|4|5') + + def test_simple_reject(self): + env = Environment() + tmpl = env.from_string('{{ [1, 2, 3, 4, 5]|reject("odd")|join("|") }}') + self.assertEqual(tmpl.render(), '2|4') + + def test_bool_reject(self): + env = Environment() + tmpl = env.from_string('{{ [none, false, 0, 1, 2, 3, 4, 5]|reject|join("|") }}') + self.assertEqual(tmpl.render(), 'None|False|0') + + def test_simple_select_attr(self): + class User(object): + def __init__(self, name, is_active): + self.name = name + self.is_active = is_active + env = Environment() + users = [ + User('john', True), + User('jane', True), + User('mike', False), + ] + tmpl = env.from_string('{{ users|selectattr("is_active")|' + 'map(attribute="name")|join("|") }}') + self.assertEqual(tmpl.render(users=users), 'john|jane') + + def test_simple_reject_attr(self): + class User(object): + def __init__(self, name, is_active): + self.name = name + self.is_active = is_active + env = Environment() + users = [ + User('john', True), + User('jane', True), + User('mike', False), + ] + tmpl = env.from_string('{{ users|rejectattr("is_active")|' + 'map(attribute="name")|join("|") }}') + self.assertEqual(tmpl.render(users=users), 'mike') + + def test_func_select_attr(self): + class User(object): + def __init__(self, id, name): + self.id = id + self.name = name + env = Environment() + users = [ + User(1, 'john'), + User(2, 'jane'), + User(3, 'mike'), + ] + tmpl = env.from_string('{{ users|selectattr("id", "odd")|' + 'map(attribute="name")|join("|") }}') + self.assertEqual(tmpl.render(users=users), 'john|mike') + + def test_func_reject_attr(self): + class User(object): + def __init__(self, id, name): + self.id = id + self.name = name + env = Environment() + users = [ + User(1, 'john'), + User(2, 'jane'), + User(3, 'mike'), + ] + tmpl = env.from_string('{{ users|rejectattr("id", "odd")|' + 'map(attribute="name")|join("|") }}') + self.assertEqual(tmpl.render(users=users), 'jane') + + +def suite(): + suite = unittest.TestSuite() + suite.addTest(unittest.makeSuite(FilterTestCase)) + return suite diff --git a/pyload/lib/jinja2/testsuite/imports.py b/pyload/lib/jinja2/testsuite/imports.py new file mode 100644 index 000000000..3db9008de --- /dev/null +++ b/pyload/lib/jinja2/testsuite/imports.py @@ -0,0 +1,141 @@ +# -*- coding: utf-8 -*- +""" + jinja2.testsuite.imports + ~~~~~~~~~~~~~~~~~~~~~~~~ + + Tests the import features (with includes). + + :copyright: (c) 2010 by the Jinja Team. + :license: BSD, see LICENSE for more details. +""" +import unittest + +from jinja2.testsuite import JinjaTestCase + +from jinja2 import Environment, DictLoader +from jinja2.exceptions import TemplateNotFound, TemplatesNotFound + + +test_env = Environment(loader=DictLoader(dict( + module='{% macro test() %}[{{ foo }}|{{ bar }}]{% endmacro %}', + header='[{{ foo }}|{{ 23 }}]', + o_printer='({{ o }})' +))) +test_env.globals['bar'] = 23 + + +class ImportsTestCase(JinjaTestCase): + + def test_context_imports(self): + t = test_env.from_string('{% import "module" as m %}{{ m.test() }}') + assert t.render(foo=42) == '[|23]' + t = test_env.from_string('{% import "module" as m without context %}{{ m.test() }}') + assert t.render(foo=42) == '[|23]' + t = test_env.from_string('{% import "module" as m with context %}{{ m.test() }}') + assert t.render(foo=42) == '[42|23]' + t = test_env.from_string('{% from "module" import test %}{{ test() }}') + assert t.render(foo=42) == '[|23]' + t = test_env.from_string('{% from "module" import test without context %}{{ test() }}') + assert t.render(foo=42) == '[|23]' + t = test_env.from_string('{% from "module" import test with context %}{{ test() }}') + assert t.render(foo=42) == '[42|23]' + + def test_trailing_comma(self): + test_env.from_string('{% from "foo" import bar, baz with context %}') + test_env.from_string('{% from "foo" import bar, baz, with context %}') + test_env.from_string('{% from "foo" import bar, with context %}') + test_env.from_string('{% from "foo" import bar, with, context %}') + test_env.from_string('{% from "foo" import bar, with with context %}') + + def test_exports(self): + m = test_env.from_string(''' + {% macro toplevel() %}...{% endmacro %} + {% macro __private() %}...{% endmacro %} + {% set variable = 42 %} + {% for item in [1] %} + {% macro notthere() %}{% endmacro %} + {% endfor %} + ''').module + assert m.toplevel() == '...' + assert not hasattr(m, '__missing') + assert m.variable == 42 + assert not hasattr(m, 'notthere') + + +class IncludesTestCase(JinjaTestCase): + + def test_context_include(self): + t = test_env.from_string('{% include "header" %}') + assert t.render(foo=42) == '[42|23]' + t = test_env.from_string('{% include "header" with context %}') + assert t.render(foo=42) == '[42|23]' + t = test_env.from_string('{% include "header" without context %}') + assert t.render(foo=42) == '[|23]' + + def test_choice_includes(self): + t = test_env.from_string('{% include ["missing", "header"] %}') + assert t.render(foo=42) == '[42|23]' + + t = test_env.from_string('{% include ["missing", "missing2"] ignore missing %}') + assert t.render(foo=42) == '' + + t = test_env.from_string('{% include ["missing", "missing2"] %}') + self.assert_raises(TemplateNotFound, t.render) + try: + t.render() + except TemplatesNotFound as e: + assert e.templates == ['missing', 'missing2'] + assert e.name == 'missing2' + else: + assert False, 'thou shalt raise' + + def test_includes(t, **ctx): + ctx['foo'] = 42 + assert t.render(ctx) == '[42|23]' + + t = test_env.from_string('{% include ["missing", "header"] %}') + test_includes(t) + t = test_env.from_string('{% include x %}') + test_includes(t, x=['missing', 'header']) + t = test_env.from_string('{% include [x, "header"] %}') + test_includes(t, x='missing') + t = test_env.from_string('{% include x %}') + test_includes(t, x='header') + t = test_env.from_string('{% include x %}') + test_includes(t, x='header') + t = test_env.from_string('{% include [x] %}') + test_includes(t, x='header') + + def test_include_ignoring_missing(self): + t = test_env.from_string('{% include "missing" %}') + self.assert_raises(TemplateNotFound, t.render) + for extra in '', 'with context', 'without context': + t = test_env.from_string('{% include "missing" ignore missing ' + + extra + ' %}') + assert t.render() == '' + + def test_context_include_with_overrides(self): + env = Environment(loader=DictLoader(dict( + main="{% for item in [1, 2, 3] %}{% include 'item' %}{% endfor %}", + item="{{ item }}" + ))) + assert env.get_template("main").render() == "123" + + def test_unoptimized_scopes(self): + t = test_env.from_string(""" + {% macro outer(o) %} + {% macro inner() %} + {% include "o_printer" %} + {% endmacro %} + {{ inner() }} + {% endmacro %} + {{ outer("FOO") }} + """) + assert t.render().strip() == '(FOO)' + + +def suite(): + suite = unittest.TestSuite() + suite.addTest(unittest.makeSuite(ImportsTestCase)) + suite.addTest(unittest.makeSuite(IncludesTestCase)) + return suite diff --git a/pyload/lib/jinja2/testsuite/inheritance.py b/pyload/lib/jinja2/testsuite/inheritance.py new file mode 100644 index 000000000..e0f51cda9 --- /dev/null +++ b/pyload/lib/jinja2/testsuite/inheritance.py @@ -0,0 +1,250 @@ +# -*- coding: utf-8 -*- +""" + jinja2.testsuite.inheritance + ~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + + Tests the template inheritance feature. + + :copyright: (c) 2010 by the Jinja Team. + :license: BSD, see LICENSE for more details. +""" +import unittest + +from jinja2.testsuite import JinjaTestCase + +from jinja2 import Environment, DictLoader, TemplateError + + +LAYOUTTEMPLATE = '''\ +|{% block block1 %}block 1 from layout{% endblock %} +|{% block block2 %}block 2 from layout{% endblock %} +|{% block block3 %} +{% block block4 %}nested block 4 from layout{% endblock %} +{% endblock %}|''' + +LEVEL1TEMPLATE = '''\ +{% extends "layout" %} +{% block block1 %}block 1 from level1{% endblock %}''' + +LEVEL2TEMPLATE = '''\ +{% extends "level1" %} +{% block block2 %}{% block block5 %}nested block 5 from level2{% +endblock %}{% endblock %}''' + +LEVEL3TEMPLATE = '''\ +{% extends "level2" %} +{% block block5 %}block 5 from level3{% endblock %} +{% block block4 %}block 4 from level3{% endblock %} +''' + +LEVEL4TEMPLATE = '''\ +{% extends "level3" %} +{% block block3 %}block 3 from level4{% endblock %} +''' + +WORKINGTEMPLATE = '''\ +{% extends "layout" %} +{% block block1 %} + {% if false %} + {% block block2 %} + this should workd + {% endblock %} + {% endif %} +{% endblock %} +''' + +DOUBLEEXTENDS = '''\ +{% extends "layout" %} +{% extends "layout" %} +{% block block1 %} + {% if false %} + {% block block2 %} + this should workd + {% endblock %} + {% endif %} +{% endblock %} +''' + + +env = Environment(loader=DictLoader({ + 'layout': LAYOUTTEMPLATE, + 'level1': LEVEL1TEMPLATE, + 'level2': LEVEL2TEMPLATE, + 'level3': LEVEL3TEMPLATE, + 'level4': LEVEL4TEMPLATE, + 'working': WORKINGTEMPLATE, + 'doublee': DOUBLEEXTENDS, +}), trim_blocks=True) + + +class InheritanceTestCase(JinjaTestCase): + + def test_layout(self): + tmpl = env.get_template('layout') + assert tmpl.render() == ('|block 1 from layout|block 2 from ' + 'layout|nested block 4 from layout|') + + def test_level1(self): + tmpl = env.get_template('level1') + assert tmpl.render() == ('|block 1 from level1|block 2 from ' + 'layout|nested block 4 from layout|') + + def test_level2(self): + tmpl = env.get_template('level2') + assert tmpl.render() == ('|block 1 from level1|nested block 5 from ' + 'level2|nested block 4 from layout|') + + def test_level3(self): + tmpl = env.get_template('level3') + assert tmpl.render() == ('|block 1 from level1|block 5 from level3|' + 'block 4 from level3|') + + def test_level4(sel): + tmpl = env.get_template('level4') + assert tmpl.render() == ('|block 1 from level1|block 5 from ' + 'level3|block 3 from level4|') + + def test_super(self): + env = Environment(loader=DictLoader({ + 'a': '{% block intro %}INTRO{% endblock %}|' + 'BEFORE|{% block data %}INNER{% endblock %}|AFTER', + 'b': '{% extends "a" %}{% block data %}({{ ' + 'super() }}){% endblock %}', + 'c': '{% extends "b" %}{% block intro %}--{{ ' + 'super() }}--{% endblock %}\n{% block data ' + '%}[{{ super() }}]{% endblock %}' + })) + tmpl = env.get_template('c') + assert tmpl.render() == '--INTRO--|BEFORE|[(INNER)]|AFTER' + + def test_working(self): + tmpl = env.get_template('working') + + def test_reuse_blocks(self): + tmpl = env.from_string('{{ self.foo() }}|{% block foo %}42' + '{% endblock %}|{{ self.foo() }}') + assert tmpl.render() == '42|42|42' + + def test_preserve_blocks(self): + env = Environment(loader=DictLoader({ + 'a': '{% if false %}{% block x %}A{% endblock %}{% endif %}{{ self.x() }}', + 'b': '{% extends "a" %}{% block x %}B{{ super() }}{% endblock %}' + })) + tmpl = env.get_template('b') + assert tmpl.render() == 'BA' + + def test_dynamic_inheritance(self): + env = Environment(loader=DictLoader({ + 'master1': 'MASTER1{% block x %}{% endblock %}', + 'master2': 'MASTER2{% block x %}{% endblock %}', + 'child': '{% extends master %}{% block x %}CHILD{% endblock %}' + })) + tmpl = env.get_template('child') + for m in range(1, 3): + assert tmpl.render(master='master%d' % m) == 'MASTER%dCHILD' % m + + def test_multi_inheritance(self): + env = Environment(loader=DictLoader({ + 'master1': 'MASTER1{% block x %}{% endblock %}', + 'master2': 'MASTER2{% block x %}{% endblock %}', + 'child': '''{% if master %}{% extends master %}{% else %}{% extends + 'master1' %}{% endif %}{% block x %}CHILD{% endblock %}''' + })) + tmpl = env.get_template('child') + assert tmpl.render(master='master2') == 'MASTER2CHILD' + assert tmpl.render(master='master1') == 'MASTER1CHILD' + assert tmpl.render() == 'MASTER1CHILD' + + def test_scoped_block(self): + env = Environment(loader=DictLoader({ + 'master.html': '{% for item in seq %}[{% block item scoped %}' + '{% endblock %}]{% endfor %}' + })) + t = env.from_string('{% extends "master.html" %}{% block item %}' + '{{ item }}{% endblock %}') + assert t.render(seq=list(range(5))) == '[0][1][2][3][4]' + + def test_super_in_scoped_block(self): + env = Environment(loader=DictLoader({ + 'master.html': '{% for item in seq %}[{% block item scoped %}' + '{{ item }}{% endblock %}]{% endfor %}' + })) + t = env.from_string('{% extends "master.html" %}{% block item %}' + '{{ super() }}|{{ item * 2 }}{% endblock %}') + assert t.render(seq=list(range(5))) == '[0|0][1|2][2|4][3|6][4|8]' + + def test_scoped_block_after_inheritance(self): + env = Environment(loader=DictLoader({ + 'layout.html': ''' + {% block useless %}{% endblock %} + ''', + 'index.html': ''' + {%- extends 'layout.html' %} + {% from 'helpers.html' import foo with context %} + {% block useless %} + {% for x in [1, 2, 3] %} + {% block testing scoped %} + {{ foo(x) }} + {% endblock %} + {% endfor %} + {% endblock %} + ''', + 'helpers.html': ''' + {% macro foo(x) %}{{ the_foo + x }}{% endmacro %} + ''' + })) + rv = env.get_template('index.html').render(the_foo=42).split() + assert rv == ['43', '44', '45'] + + +class BugFixTestCase(JinjaTestCase): + + def test_fixed_macro_scoping_bug(self): + assert Environment(loader=DictLoader({ + 'test.html': '''\ + {% extends 'details.html' %} + + {% macro my_macro() %} + my_macro + {% endmacro %} + + {% block inner_box %} + {{ my_macro() }} + {% endblock %} + ''', + 'details.html': '''\ + {% extends 'standard.html' %} + + {% macro my_macro() %} + my_macro + {% endmacro %} + + {% block content %} + {% block outer_box %} + outer_box + {% block inner_box %} + inner_box + {% endblock %} + {% endblock %} + {% endblock %} + ''', + 'standard.html': ''' + {% block content %} {% endblock %} + ''' + })).get_template("test.html").render().split() == [u'outer_box', u'my_macro'] + + def test_double_extends(self): + """Ensures that a template with more than 1 {% extends ... %} usage + raises a ``TemplateError``. + """ + try: + tmpl = env.get_template('doublee') + except Exception as e: + assert isinstance(e, TemplateError) + + +def suite(): + suite = unittest.TestSuite() + suite.addTest(unittest.makeSuite(InheritanceTestCase)) + suite.addTest(unittest.makeSuite(BugFixTestCase)) + return suite diff --git a/pyload/lib/jinja2/testsuite/lexnparse.py b/pyload/lib/jinja2/testsuite/lexnparse.py new file mode 100644 index 000000000..bd1c94cd3 --- /dev/null +++ b/pyload/lib/jinja2/testsuite/lexnparse.py @@ -0,0 +1,593 @@ +# -*- coding: utf-8 -*- +""" + jinja2.testsuite.lexnparse + ~~~~~~~~~~~~~~~~~~~~~~~~~~ + + All the unittests regarding lexing, parsing and syntax. + + :copyright: (c) 2010 by the Jinja Team. + :license: BSD, see LICENSE for more details. +""" +import unittest + +from jinja2.testsuite import JinjaTestCase + +from jinja2 import Environment, Template, TemplateSyntaxError, \ + UndefinedError, nodes +from jinja2._compat import next, iteritems, text_type, PY2 +from jinja2.lexer import Token, TokenStream, TOKEN_EOF, \ + TOKEN_BLOCK_BEGIN, TOKEN_BLOCK_END + +env = Environment() + + +# how does a string look like in jinja syntax? +if PY2: + def jinja_string_repr(string): + return repr(string)[1:] +else: + jinja_string_repr = repr + + +class TokenStreamTestCase(JinjaTestCase): + test_tokens = [Token(1, TOKEN_BLOCK_BEGIN, ''), + Token(2, TOKEN_BLOCK_END, ''), + ] + + def test_simple(self): + ts = TokenStream(self.test_tokens, "foo", "bar") + assert ts.current.type is TOKEN_BLOCK_BEGIN + assert bool(ts) + assert not bool(ts.eos) + next(ts) + assert ts.current.type is TOKEN_BLOCK_END + assert bool(ts) + assert not bool(ts.eos) + next(ts) + assert ts.current.type is TOKEN_EOF + assert not bool(ts) + assert bool(ts.eos) + + def test_iter(self): + token_types = [t.type for t in TokenStream(self.test_tokens, "foo", "bar")] + assert token_types == ['block_begin', 'block_end', ] + + +class LexerTestCase(JinjaTestCase): + + def test_raw1(self): + tmpl = env.from_string('{% raw %}foo{% endraw %}|' + '{%raw%}{{ bar }}|{% baz %}{% endraw %}') + assert tmpl.render() == 'foo|{{ bar }}|{% baz %}' + + def test_raw2(self): + tmpl = env.from_string('1 {%- raw -%} 2 {%- endraw -%} 3') + assert tmpl.render() == '123' + + def test_balancing(self): + env = Environment('{%', '%}', '${', '}') + tmpl = env.from_string('''{% for item in seq + %}${{'foo': item}|upper}{% endfor %}''') + assert tmpl.render(seq=list(range(3))) == "{'FOO': 0}{'FOO': 1}{'FOO': 2}" + + def test_comments(self): + env = Environment('<!--', '-->', '{', '}') + tmpl = env.from_string('''\ +<ul> +<!--- for item in seq --> + <li>{item}</li> +<!--- endfor --> +</ul>''') + assert tmpl.render(seq=list(range(3))) == ("<ul>\n <li>0</li>\n " + "<li>1</li>\n <li>2</li>\n</ul>") + + def test_string_escapes(self): + for char in u'\0', u'\u2668', u'\xe4', u'\t', u'\r', u'\n': + tmpl = env.from_string('{{ %s }}' % jinja_string_repr(char)) + assert tmpl.render() == char + assert env.from_string('{{ "\N{HOT SPRINGS}" }}').render() == u'\u2668' + + def test_bytefallback(self): + from pprint import pformat + tmpl = env.from_string(u'''{{ 'foo'|pprint }}|{{ 'bär'|pprint }}''') + assert tmpl.render() == pformat('foo') + '|' + pformat(u'bär') + + def test_operators(self): + from jinja2.lexer import operators + for test, expect in iteritems(operators): + if test in '([{}])': + continue + stream = env.lexer.tokenize('{{ %s }}' % test) + next(stream) + assert stream.current.type == expect + + def test_normalizing(self): + for seq in '\r', '\r\n', '\n': + env = Environment(newline_sequence=seq) + tmpl = env.from_string('1\n2\r\n3\n4\n') + result = tmpl.render() + assert result.replace(seq, 'X') == '1X2X3X4' + + def test_trailing_newline(self): + for keep in [True, False]: + env = Environment(keep_trailing_newline=keep) + for template,expected in [ + ('', {}), + ('no\nnewline', {}), + ('with\nnewline\n', {False: 'with\nnewline'}), + ('with\nseveral\n\n\n', {False: 'with\nseveral\n\n'}), + ]: + tmpl = env.from_string(template) + expect = expected.get(keep, template) + result = tmpl.render() + assert result == expect, (keep, template, result, expect) + +class ParserTestCase(JinjaTestCase): + + def test_php_syntax(self): + env = Environment('<?', '?>', '<?=', '?>', '<!--', '-->') + tmpl = env.from_string('''\ +<!-- I'm a comment, I'm not interesting -->\ +<? for item in seq -?> + <?= item ?> +<?- endfor ?>''') + assert tmpl.render(seq=list(range(5))) == '01234' + + def test_erb_syntax(self): + env = Environment('<%', '%>', '<%=', '%>', '<%#', '%>') + tmpl = env.from_string('''\ +<%# I'm a comment, I'm not interesting %>\ +<% for item in seq -%> + <%= item %> +<%- endfor %>''') + assert tmpl.render(seq=list(range(5))) == '01234' + + def test_comment_syntax(self): + env = Environment('<!--', '-->', '${', '}', '<!--#', '-->') + tmpl = env.from_string('''\ +<!--# I'm a comment, I'm not interesting -->\ +<!-- for item in seq ---> + ${item} +<!--- endfor -->''') + assert tmpl.render(seq=list(range(5))) == '01234' + + def test_balancing(self): + tmpl = env.from_string('''{{{'foo':'bar'}.foo}}''') + assert tmpl.render() == 'bar' + + def test_start_comment(self): + tmpl = env.from_string('''{# foo comment +and bar comment #} +{% macro blub() %}foo{% endmacro %} +{{ blub() }}''') + assert tmpl.render().strip() == 'foo' + + def test_line_syntax(self): + env = Environment('<%', '%>', '${', '}', '<%#', '%>', '%') + tmpl = env.from_string('''\ +<%# regular comment %> +% for item in seq: + ${item} +% endfor''') + assert [int(x.strip()) for x in tmpl.render(seq=list(range(5))).split()] == \ + list(range(5)) + + env = Environment('<%', '%>', '${', '}', '<%#', '%>', '%', '##') + tmpl = env.from_string('''\ +<%# regular comment %> +% for item in seq: + ${item} ## the rest of the stuff +% endfor''') + assert [int(x.strip()) for x in tmpl.render(seq=list(range(5))).split()] == \ + list(range(5)) + + def test_line_syntax_priority(self): + # XXX: why is the whitespace there in front of the newline? + env = Environment('{%', '%}', '${', '}', '/*', '*/', '##', '#') + tmpl = env.from_string('''\ +/* ignore me. + I'm a multiline comment */ +## for item in seq: +* ${item} # this is just extra stuff +## endfor''') + assert tmpl.render(seq=[1, 2]).strip() == '* 1\n* 2' + env = Environment('{%', '%}', '${', '}', '/*', '*/', '#', '##') + tmpl = env.from_string('''\ +/* ignore me. + I'm a multiline comment */ +# for item in seq: +* ${item} ## this is just extra stuff + ## extra stuff i just want to ignore +# endfor''') + assert tmpl.render(seq=[1, 2]).strip() == '* 1\n\n* 2' + + def test_error_messages(self): + def assert_error(code, expected): + try: + Template(code) + except TemplateSyntaxError as e: + assert str(e) == expected, 'unexpected error message' + else: + assert False, 'that was supposed to be an error' + + assert_error('{% for item in seq %}...{% endif %}', + "Encountered unknown tag 'endif'. Jinja was looking " + "for the following tags: 'endfor' or 'else'. The " + "innermost block that needs to be closed is 'for'.") + assert_error('{% if foo %}{% for item in seq %}...{% endfor %}{% endfor %}', + "Encountered unknown tag 'endfor'. Jinja was looking for " + "the following tags: 'elif' or 'else' or 'endif'. The " + "innermost block that needs to be closed is 'if'.") + assert_error('{% if foo %}', + "Unexpected end of template. Jinja was looking for the " + "following tags: 'elif' or 'else' or 'endif'. The " + "innermost block that needs to be closed is 'if'.") + assert_error('{% for item in seq %}', + "Unexpected end of template. Jinja was looking for the " + "following tags: 'endfor' or 'else'. The innermost block " + "that needs to be closed is 'for'.") + assert_error('{% block foo-bar-baz %}', + "Block names in Jinja have to be valid Python identifiers " + "and may not contain hyphens, use an underscore instead.") + assert_error('{% unknown_tag %}', + "Encountered unknown tag 'unknown_tag'.") + + +class SyntaxTestCase(JinjaTestCase): + + def test_call(self): + env = Environment() + env.globals['foo'] = lambda a, b, c, e, g: a + b + c + e + g + tmpl = env.from_string("{{ foo('a', c='d', e='f', *['b'], **{'g': 'h'}) }}") + assert tmpl.render() == 'abdfh' + + def test_slicing(self): + tmpl = env.from_string('{{ [1, 2, 3][:] }}|{{ [1, 2, 3][::-1] }}') + assert tmpl.render() == '[1, 2, 3]|[3, 2, 1]' + + def test_attr(self): + tmpl = env.from_string("{{ foo.bar }}|{{ foo['bar'] }}") + assert tmpl.render(foo={'bar': 42}) == '42|42' + + def test_subscript(self): + tmpl = env.from_string("{{ foo[0] }}|{{ foo[-1] }}") + assert tmpl.render(foo=[0, 1, 2]) == '0|2' + + def test_tuple(self): + tmpl = env.from_string('{{ () }}|{{ (1,) }}|{{ (1, 2) }}') + assert tmpl.render() == '()|(1,)|(1, 2)' + + def test_math(self): + tmpl = env.from_string('{{ (1 + 1 * 2) - 3 / 2 }}|{{ 2**3 }}') + assert tmpl.render() == '1.5|8' + + def test_div(self): + tmpl = env.from_string('{{ 3 // 2 }}|{{ 3 / 2 }}|{{ 3 % 2 }}') + assert tmpl.render() == '1|1.5|1' + + def test_unary(self): + tmpl = env.from_string('{{ +3 }}|{{ -3 }}') + assert tmpl.render() == '3|-3' + + def test_concat(self): + tmpl = env.from_string("{{ [1, 2] ~ 'foo' }}") + assert tmpl.render() == '[1, 2]foo' + + def test_compare(self): + tmpl = env.from_string('{{ 1 > 0 }}|{{ 1 >= 1 }}|{{ 2 < 3 }}|' + '{{ 2 == 2 }}|{{ 1 <= 1 }}') + assert tmpl.render() == 'True|True|True|True|True' + + def test_inop(self): + tmpl = env.from_string('{{ 1 in [1, 2, 3] }}|{{ 1 not in [1, 2, 3] }}') + assert tmpl.render() == 'True|False' + + def test_literals(self): + tmpl = env.from_string('{{ [] }}|{{ {} }}|{{ () }}') + assert tmpl.render().lower() == '[]|{}|()' + + def test_bool(self): + tmpl = env.from_string('{{ true and false }}|{{ false ' + 'or true }}|{{ not false }}') + assert tmpl.render() == 'False|True|True' + + def test_grouping(self): + tmpl = env.from_string('{{ (true and false) or (false and true) and not false }}') + assert tmpl.render() == 'False' + + def test_django_attr(self): + tmpl = env.from_string('{{ [1, 2, 3].0 }}|{{ [[1]].0.0 }}') + assert tmpl.render() == '1|1' + + def test_conditional_expression(self): + tmpl = env.from_string('''{{ 0 if true else 1 }}''') + assert tmpl.render() == '0' + + def test_short_conditional_expression(self): + tmpl = env.from_string('<{{ 1 if false }}>') + assert tmpl.render() == '<>' + + tmpl = env.from_string('<{{ (1 if false).bar }}>') + self.assert_raises(UndefinedError, tmpl.render) + + def test_filter_priority(self): + tmpl = env.from_string('{{ "foo"|upper + "bar"|upper }}') + assert tmpl.render() == 'FOOBAR' + + def test_function_calls(self): + tests = [ + (True, '*foo, bar'), + (True, '*foo, *bar'), + (True, '*foo, bar=42'), + (True, '**foo, *bar'), + (True, '**foo, bar'), + (False, 'foo, bar'), + (False, 'foo, bar=42'), + (False, 'foo, bar=23, *args'), + (False, 'a, b=c, *d, **e'), + (False, '*foo, **bar') + ] + for should_fail, sig in tests: + if should_fail: + self.assert_raises(TemplateSyntaxError, + env.from_string, '{{ foo(%s) }}' % sig) + else: + env.from_string('foo(%s)' % sig) + + def test_tuple_expr(self): + for tmpl in [ + '{{ () }}', + '{{ (1, 2) }}', + '{{ (1, 2,) }}', + '{{ 1, }}', + '{{ 1, 2 }}', + '{% for foo, bar in seq %}...{% endfor %}', + '{% for x in foo, bar %}...{% endfor %}', + '{% for x in foo, %}...{% endfor %}' + ]: + assert env.from_string(tmpl) + + def test_trailing_comma(self): + tmpl = env.from_string('{{ (1, 2,) }}|{{ [1, 2,] }}|{{ {1: 2,} }}') + assert tmpl.render().lower() == '(1, 2)|[1, 2]|{1: 2}' + + def test_block_end_name(self): + env.from_string('{% block foo %}...{% endblock foo %}') + self.assert_raises(TemplateSyntaxError, env.from_string, + '{% block x %}{% endblock y %}') + + def test_constant_casing(self): + for const in True, False, None: + tmpl = env.from_string('{{ %s }}|{{ %s }}|{{ %s }}' % ( + str(const), str(const).lower(), str(const).upper() + )) + assert tmpl.render() == '%s|%s|' % (const, const) + + def test_test_chaining(self): + self.assert_raises(TemplateSyntaxError, env.from_string, + '{{ foo is string is sequence }}') + assert env.from_string('{{ 42 is string or 42 is number }}' + ).render() == 'True' + + def test_string_concatenation(self): + tmpl = env.from_string('{{ "foo" "bar" "baz" }}') + assert tmpl.render() == 'foobarbaz' + + def test_notin(self): + bar = range(100) + tmpl = env.from_string('''{{ not 42 in bar }}''') + assert tmpl.render(bar=bar) == text_type(not 42 in bar) + + def test_implicit_subscribed_tuple(self): + class Foo(object): + def __getitem__(self, x): + return x + t = env.from_string('{{ foo[1, 2] }}') + assert t.render(foo=Foo()) == u'(1, 2)' + + def test_raw2(self): + tmpl = env.from_string('{% raw %}{{ FOO }} and {% BAR %}{% endraw %}') + assert tmpl.render() == '{{ FOO }} and {% BAR %}' + + def test_const(self): + tmpl = env.from_string('{{ true }}|{{ false }}|{{ none }}|' + '{{ none is defined }}|{{ missing is defined }}') + assert tmpl.render() == 'True|False|None|True|False' + + def test_neg_filter_priority(self): + node = env.parse('{{ -1|foo }}') + assert isinstance(node.body[0].nodes[0], nodes.Filter) + assert isinstance(node.body[0].nodes[0].node, nodes.Neg) + + def test_const_assign(self): + constass1 = '''{% set true = 42 %}''' + constass2 = '''{% for none in seq %}{% endfor %}''' + for tmpl in constass1, constass2: + self.assert_raises(TemplateSyntaxError, env.from_string, tmpl) + + def test_localset(self): + tmpl = env.from_string('''{% set foo = 0 %}\ +{% for item in [1, 2] %}{% set foo = 1 %}{% endfor %}\ +{{ foo }}''') + assert tmpl.render() == '0' + + def test_parse_unary(self): + tmpl = env.from_string('{{ -foo["bar"] }}') + assert tmpl.render(foo={'bar': 42}) == '-42' + tmpl = env.from_string('{{ -foo["bar"]|abs }}') + assert tmpl.render(foo={'bar': 42}) == '42' + + +class LstripBlocksTestCase(JinjaTestCase): + + def test_lstrip(self): + env = Environment(lstrip_blocks=True, trim_blocks=False) + tmpl = env.from_string(''' {% if True %}\n {% endif %}''') + assert tmpl.render() == "\n" + + def test_lstrip_trim(self): + env = Environment(lstrip_blocks=True, trim_blocks=True) + tmpl = env.from_string(''' {% if True %}\n {% endif %}''') + assert tmpl.render() == "" + + def test_no_lstrip(self): + env = Environment(lstrip_blocks=True, trim_blocks=False) + tmpl = env.from_string(''' {%+ if True %}\n {%+ endif %}''') + assert tmpl.render() == " \n " + + def test_lstrip_endline(self): + env = Environment(lstrip_blocks=True, trim_blocks=False) + tmpl = env.from_string(''' hello{% if True %}\n goodbye{% endif %}''') + assert tmpl.render() == " hello\n goodbye" + + def test_lstrip_inline(self): + env = Environment(lstrip_blocks=True, trim_blocks=False) + tmpl = env.from_string(''' {% if True %}hello {% endif %}''') + assert tmpl.render() == 'hello ' + + def test_lstrip_nested(self): + env = Environment(lstrip_blocks=True, trim_blocks=False) + tmpl = env.from_string(''' {% if True %}a {% if True %}b {% endif %}c {% endif %}''') + assert tmpl.render() == 'a b c ' + + def test_lstrip_left_chars(self): + env = Environment(lstrip_blocks=True, trim_blocks=False) + tmpl = env.from_string(''' abc {% if True %} + hello{% endif %}''') + assert tmpl.render() == ' abc \n hello' + + def test_lstrip_embeded_strings(self): + env = Environment(lstrip_blocks=True, trim_blocks=False) + tmpl = env.from_string(''' {% set x = " {% str %} " %}{{ x }}''') + assert tmpl.render() == ' {% str %} ' + + def test_lstrip_preserve_leading_newlines(self): + env = Environment(lstrip_blocks=True, trim_blocks=False) + tmpl = env.from_string('''\n\n\n{% set hello = 1 %}''') + assert tmpl.render() == '\n\n\n' + + def test_lstrip_comment(self): + env = Environment(lstrip_blocks=True, trim_blocks=False) + tmpl = env.from_string(''' {# if True #} +hello + {#endif#}''') + assert tmpl.render() == '\nhello\n' + + def test_lstrip_angle_bracket_simple(self): + env = Environment('<%', '%>', '${', '}', '<%#', '%>', '%', '##', + lstrip_blocks=True, trim_blocks=True) + tmpl = env.from_string(''' <% if True %>hello <% endif %>''') + assert tmpl.render() == 'hello ' + + def test_lstrip_angle_bracket_comment(self): + env = Environment('<%', '%>', '${', '}', '<%#', '%>', '%', '##', + lstrip_blocks=True, trim_blocks=True) + tmpl = env.from_string(''' <%# if True %>hello <%# endif %>''') + assert tmpl.render() == 'hello ' + + def test_lstrip_angle_bracket(self): + env = Environment('<%', '%>', '${', '}', '<%#', '%>', '%', '##', + lstrip_blocks=True, trim_blocks=True) + tmpl = env.from_string('''\ + <%# regular comment %> + <% for item in seq %> +${item} ## the rest of the stuff + <% endfor %>''') + assert tmpl.render(seq=range(5)) == \ + ''.join('%s\n' % x for x in range(5)) + + def test_lstrip_angle_bracket_compact(self): + env = Environment('<%', '%>', '${', '}', '<%#', '%>', '%', '##', + lstrip_blocks=True, trim_blocks=True) + tmpl = env.from_string('''\ + <%#regular comment%> + <%for item in seq%> +${item} ## the rest of the stuff + <%endfor%>''') + assert tmpl.render(seq=range(5)) == \ + ''.join('%s\n' % x for x in range(5)) + + def test_php_syntax_with_manual(self): + env = Environment('<?', '?>', '<?=', '?>', '<!--', '-->', + lstrip_blocks=True, trim_blocks=True) + tmpl = env.from_string('''\ + <!-- I'm a comment, I'm not interesting --> + <? for item in seq -?> + <?= item ?> + <?- endfor ?>''') + assert tmpl.render(seq=range(5)) == '01234' + + def test_php_syntax(self): + env = Environment('<?', '?>', '<?=', '?>', '<!--', '-->', + lstrip_blocks=True, trim_blocks=True) + tmpl = env.from_string('''\ + <!-- I'm a comment, I'm not interesting --> + <? for item in seq ?> + <?= item ?> + <? endfor ?>''') + assert tmpl.render(seq=range(5)) == ''.join(' %s\n' % x for x in range(5)) + + def test_php_syntax_compact(self): + env = Environment('<?', '?>', '<?=', '?>', '<!--', '-->', + lstrip_blocks=True, trim_blocks=True) + tmpl = env.from_string('''\ + <!-- I'm a comment, I'm not interesting --> + <?for item in seq?> + <?=item?> + <?endfor?>''') + assert tmpl.render(seq=range(5)) == ''.join(' %s\n' % x for x in range(5)) + + def test_erb_syntax(self): + env = Environment('<%', '%>', '<%=', '%>', '<%#', '%>', + lstrip_blocks=True, trim_blocks=True) + #env.from_string('') + #for n,r in env.lexer.rules.iteritems(): + # print n + #print env.lexer.rules['root'][0][0].pattern + #print "'%s'" % tmpl.render(seq=range(5)) + tmpl = env.from_string('''\ +<%# I'm a comment, I'm not interesting %> + <% for item in seq %> + <%= item %> + <% endfor %> +''') + assert tmpl.render(seq=range(5)) == ''.join(' %s\n' % x for x in range(5)) + + def test_erb_syntax_with_manual(self): + env = Environment('<%', '%>', '<%=', '%>', '<%#', '%>', + lstrip_blocks=True, trim_blocks=True) + tmpl = env.from_string('''\ +<%# I'm a comment, I'm not interesting %> + <% for item in seq -%> + <%= item %> + <%- endfor %>''') + assert tmpl.render(seq=range(5)) == '01234' + + def test_erb_syntax_no_lstrip(self): + env = Environment('<%', '%>', '<%=', '%>', '<%#', '%>', + lstrip_blocks=True, trim_blocks=True) + tmpl = env.from_string('''\ +<%# I'm a comment, I'm not interesting %> + <%+ for item in seq -%> + <%= item %> + <%- endfor %>''') + assert tmpl.render(seq=range(5)) == ' 01234' + + def test_comment_syntax(self): + env = Environment('<!--', '-->', '${', '}', '<!--#', '-->', + lstrip_blocks=True, trim_blocks=True) + tmpl = env.from_string('''\ +<!--# I'm a comment, I'm not interesting -->\ +<!-- for item in seq ---> + ${item} +<!--- endfor -->''') + assert tmpl.render(seq=range(5)) == '01234' + +def suite(): + suite = unittest.TestSuite() + suite.addTest(unittest.makeSuite(TokenStreamTestCase)) + suite.addTest(unittest.makeSuite(LexerTestCase)) + suite.addTest(unittest.makeSuite(ParserTestCase)) + suite.addTest(unittest.makeSuite(SyntaxTestCase)) + suite.addTest(unittest.makeSuite(LstripBlocksTestCase)) + return suite diff --git a/pyload/lib/jinja2/testsuite/loader.py b/pyload/lib/jinja2/testsuite/loader.py new file mode 100644 index 000000000..a7350aab9 --- /dev/null +++ b/pyload/lib/jinja2/testsuite/loader.py @@ -0,0 +1,226 @@ +# -*- coding: utf-8 -*- +""" + jinja2.testsuite.loader + ~~~~~~~~~~~~~~~~~~~~~~~ + + Test the loaders. + + :copyright: (c) 2010 by the Jinja Team. + :license: BSD, see LICENSE for more details. +""" +import os +import sys +import tempfile +import shutil +import unittest + +from jinja2.testsuite import JinjaTestCase, dict_loader, \ + package_loader, filesystem_loader, function_loader, \ + choice_loader, prefix_loader + +from jinja2 import Environment, loaders +from jinja2._compat import PYPY, PY2 +from jinja2.loaders import split_template_path +from jinja2.exceptions import TemplateNotFound + + +class LoaderTestCase(JinjaTestCase): + + def test_dict_loader(self): + env = Environment(loader=dict_loader) + tmpl = env.get_template('justdict.html') + assert tmpl.render().strip() == 'FOO' + self.assert_raises(TemplateNotFound, env.get_template, 'missing.html') + + def test_package_loader(self): + env = Environment(loader=package_loader) + tmpl = env.get_template('test.html') + assert tmpl.render().strip() == 'BAR' + self.assert_raises(TemplateNotFound, env.get_template, 'missing.html') + + def test_filesystem_loader(self): + env = Environment(loader=filesystem_loader) + tmpl = env.get_template('test.html') + assert tmpl.render().strip() == 'BAR' + tmpl = env.get_template('foo/test.html') + assert tmpl.render().strip() == 'FOO' + self.assert_raises(TemplateNotFound, env.get_template, 'missing.html') + + def test_choice_loader(self): + env = Environment(loader=choice_loader) + tmpl = env.get_template('justdict.html') + assert tmpl.render().strip() == 'FOO' + tmpl = env.get_template('test.html') + assert tmpl.render().strip() == 'BAR' + self.assert_raises(TemplateNotFound, env.get_template, 'missing.html') + + def test_function_loader(self): + env = Environment(loader=function_loader) + tmpl = env.get_template('justfunction.html') + assert tmpl.render().strip() == 'FOO' + self.assert_raises(TemplateNotFound, env.get_template, 'missing.html') + + def test_prefix_loader(self): + env = Environment(loader=prefix_loader) + tmpl = env.get_template('a/test.html') + assert tmpl.render().strip() == 'BAR' + tmpl = env.get_template('b/justdict.html') + assert tmpl.render().strip() == 'FOO' + self.assert_raises(TemplateNotFound, env.get_template, 'missing') + + def test_caching(self): + changed = False + class TestLoader(loaders.BaseLoader): + def get_source(self, environment, template): + return u'foo', None, lambda: not changed + env = Environment(loader=TestLoader(), cache_size=-1) + tmpl = env.get_template('template') + assert tmpl is env.get_template('template') + changed = True + assert tmpl is not env.get_template('template') + changed = False + + env = Environment(loader=TestLoader(), cache_size=0) + assert env.get_template('template') \ + is not env.get_template('template') + + env = Environment(loader=TestLoader(), cache_size=2) + t1 = env.get_template('one') + t2 = env.get_template('two') + assert t2 is env.get_template('two') + assert t1 is env.get_template('one') + t3 = env.get_template('three') + assert 'one' in env.cache + assert 'two' not in env.cache + assert 'three' in env.cache + + def test_dict_loader_cache_invalidates(self): + mapping = {'foo': "one"} + env = Environment(loader=loaders.DictLoader(mapping)) + assert env.get_template('foo').render() == "one" + mapping['foo'] = "two" + assert env.get_template('foo').render() == "two" + + def test_split_template_path(self): + assert split_template_path('foo/bar') == ['foo', 'bar'] + assert split_template_path('./foo/bar') == ['foo', 'bar'] + self.assert_raises(TemplateNotFound, split_template_path, '../foo') + + +class ModuleLoaderTestCase(JinjaTestCase): + archive = None + + def compile_down(self, zip='deflated', py_compile=False): + super(ModuleLoaderTestCase, self).setup() + log = [] + self.reg_env = Environment(loader=prefix_loader) + if zip is not None: + self.archive = tempfile.mkstemp(suffix='.zip')[1] + else: + self.archive = tempfile.mkdtemp() + self.reg_env.compile_templates(self.archive, zip=zip, + log_function=log.append, + py_compile=py_compile) + self.mod_env = Environment(loader=loaders.ModuleLoader(self.archive)) + return ''.join(log) + + def teardown(self): + super(ModuleLoaderTestCase, self).teardown() + if hasattr(self, 'mod_env'): + if os.path.isfile(self.archive): + os.remove(self.archive) + else: + shutil.rmtree(self.archive) + self.archive = None + + def test_log(self): + log = self.compile_down() + assert 'Compiled "a/foo/test.html" as ' \ + 'tmpl_a790caf9d669e39ea4d280d597ec891c4ef0404a' in log + assert 'Finished compiling templates' in log + assert 'Could not compile "a/syntaxerror.html": ' \ + 'Encountered unknown tag \'endif\'' in log + + def _test_common(self): + tmpl1 = self.reg_env.get_template('a/test.html') + tmpl2 = self.mod_env.get_template('a/test.html') + assert tmpl1.render() == tmpl2.render() + + tmpl1 = self.reg_env.get_template('b/justdict.html') + tmpl2 = self.mod_env.get_template('b/justdict.html') + assert tmpl1.render() == tmpl2.render() + + def test_deflated_zip_compile(self): + self.compile_down(zip='deflated') + self._test_common() + + def test_stored_zip_compile(self): + self.compile_down(zip='stored') + self._test_common() + + def test_filesystem_compile(self): + self.compile_down(zip=None) + self._test_common() + + def test_weak_references(self): + self.compile_down() + tmpl = self.mod_env.get_template('a/test.html') + key = loaders.ModuleLoader.get_template_key('a/test.html') + name = self.mod_env.loader.module.__name__ + + assert hasattr(self.mod_env.loader.module, key) + assert name in sys.modules + + # unset all, ensure the module is gone from sys.modules + self.mod_env = tmpl = None + + try: + import gc + gc.collect() + except: + pass + + assert name not in sys.modules + + # This test only makes sense on non-pypy python 2 + if PY2 and not PYPY: + def test_byte_compilation(self): + log = self.compile_down(py_compile=True) + assert 'Byte-compiled "a/test.html"' in log + tmpl1 = self.mod_env.get_template('a/test.html') + mod = self.mod_env.loader.module. \ + tmpl_3c4ddf650c1a73df961a6d3d2ce2752f1b8fd490 + assert mod.__file__.endswith('.pyc') + + def test_choice_loader(self): + log = self.compile_down() + + self.mod_env.loader = loaders.ChoiceLoader([ + self.mod_env.loader, + loaders.DictLoader({'DICT_SOURCE': 'DICT_TEMPLATE'}) + ]) + + tmpl1 = self.mod_env.get_template('a/test.html') + self.assert_equal(tmpl1.render(), 'BAR') + tmpl2 = self.mod_env.get_template('DICT_SOURCE') + self.assert_equal(tmpl2.render(), 'DICT_TEMPLATE') + + def test_prefix_loader(self): + log = self.compile_down() + + self.mod_env.loader = loaders.PrefixLoader({ + 'MOD': self.mod_env.loader, + 'DICT': loaders.DictLoader({'test.html': 'DICT_TEMPLATE'}) + }) + + tmpl1 = self.mod_env.get_template('MOD/a/test.html') + self.assert_equal(tmpl1.render(), 'BAR') + tmpl2 = self.mod_env.get_template('DICT/test.html') + self.assert_equal(tmpl2.render(), 'DICT_TEMPLATE') + + +def suite(): + suite = unittest.TestSuite() + suite.addTest(unittest.makeSuite(LoaderTestCase)) + suite.addTest(unittest.makeSuite(ModuleLoaderTestCase)) + return suite diff --git a/pyload/lib/jinja2/testsuite/regression.py b/pyload/lib/jinja2/testsuite/regression.py new file mode 100644 index 000000000..c5f7d5c65 --- /dev/null +++ b/pyload/lib/jinja2/testsuite/regression.py @@ -0,0 +1,279 @@ +# -*- coding: utf-8 -*- +""" + jinja2.testsuite.regression + ~~~~~~~~~~~~~~~~~~~~~~~~~~~ + + Tests corner cases and bugs. + + :copyright: (c) 2010 by the Jinja Team. + :license: BSD, see LICENSE for more details. +""" +import unittest + +from jinja2.testsuite import JinjaTestCase + +from jinja2 import Template, Environment, DictLoader, TemplateSyntaxError, \ + TemplateNotFound, PrefixLoader +from jinja2._compat import text_type + +env = Environment() + + +class CornerTestCase(JinjaTestCase): + + def test_assigned_scoping(self): + t = env.from_string(''' + {%- for item in (1, 2, 3, 4) -%} + [{{ item }}] + {%- endfor %} + {{- item -}} + ''') + assert t.render(item=42) == '[1][2][3][4]42' + + t = env.from_string(''' + {%- for item in (1, 2, 3, 4) -%} + [{{ item }}] + {%- endfor %} + {%- set item = 42 %} + {{- item -}} + ''') + assert t.render() == '[1][2][3][4]42' + + t = env.from_string(''' + {%- set item = 42 %} + {%- for item in (1, 2, 3, 4) -%} + [{{ item }}] + {%- endfor %} + {{- item -}} + ''') + assert t.render() == '[1][2][3][4]42' + + def test_closure_scoping(self): + t = env.from_string(''' + {%- set wrapper = "<FOO>" %} + {%- for item in (1, 2, 3, 4) %} + {%- macro wrapper() %}[{{ item }}]{% endmacro %} + {{- wrapper() }} + {%- endfor %} + {{- wrapper -}} + ''') + assert t.render() == '[1][2][3][4]<FOO>' + + t = env.from_string(''' + {%- for item in (1, 2, 3, 4) %} + {%- macro wrapper() %}[{{ item }}]{% endmacro %} + {{- wrapper() }} + {%- endfor %} + {%- set wrapper = "<FOO>" %} + {{- wrapper -}} + ''') + assert t.render() == '[1][2][3][4]<FOO>' + + t = env.from_string(''' + {%- for item in (1, 2, 3, 4) %} + {%- macro wrapper() %}[{{ item }}]{% endmacro %} + {{- wrapper() }} + {%- endfor %} + {{- wrapper -}} + ''') + assert t.render(wrapper=23) == '[1][2][3][4]23' + + +class BugTestCase(JinjaTestCase): + + def test_keyword_folding(self): + env = Environment() + env.filters['testing'] = lambda value, some: value + some + assert env.from_string("{{ 'test'|testing(some='stuff') }}") \ + .render() == 'teststuff' + + def test_extends_output_bugs(self): + env = Environment(loader=DictLoader({ + 'parent.html': '(({% block title %}{% endblock %}))' + })) + + t = env.from_string('{% if expr %}{% extends "parent.html" %}{% endif %}' + '[[{% block title %}title{% endblock %}]]' + '{% for item in [1, 2, 3] %}({{ item }}){% endfor %}') + assert t.render(expr=False) == '[[title]](1)(2)(3)' + assert t.render(expr=True) == '((title))' + + def test_urlize_filter_escaping(self): + tmpl = env.from_string('{{ "http://www.example.org/<foo"|urlize }}') + assert tmpl.render() == '<a href="http://www.example.org/<foo">http://www.example.org/<foo</a>' + + def test_loop_call_loop(self): + tmpl = env.from_string(''' + + {% macro test() %} + {{ caller() }} + {% endmacro %} + + {% for num1 in range(5) %} + {% call test() %} + {% for num2 in range(10) %} + {{ loop.index }} + {% endfor %} + {% endcall %} + {% endfor %} + + ''') + + assert tmpl.render().split() == [text_type(x) for x in range(1, 11)] * 5 + + def test_weird_inline_comment(self): + env = Environment(line_statement_prefix='%') + self.assert_raises(TemplateSyntaxError, env.from_string, + '% for item in seq {# missing #}\n...% endfor') + + def test_old_macro_loop_scoping_bug(self): + tmpl = env.from_string('{% for i in (1, 2) %}{{ i }}{% endfor %}' + '{% macro i() %}3{% endmacro %}{{ i() }}') + assert tmpl.render() == '123' + + def test_partial_conditional_assignments(self): + tmpl = env.from_string('{% if b %}{% set a = 42 %}{% endif %}{{ a }}') + assert tmpl.render(a=23) == '23' + assert tmpl.render(b=True) == '42' + + def test_stacked_locals_scoping_bug(self): + env = Environment(line_statement_prefix='#') + t = env.from_string('''\ +# for j in [1, 2]: +# set x = 1 +# for i in [1, 2]: +# print x +# if i % 2 == 0: +# set x = x + 1 +# endif +# endfor +# endfor +# if a +# print 'A' +# elif b +# print 'B' +# elif c == d +# print 'C' +# else +# print 'D' +# endif + ''') + assert t.render(a=0, b=False, c=42, d=42.0) == '1111C' + + def test_stacked_locals_scoping_bug_twoframe(self): + t = Template(''' + {% set x = 1 %} + {% for item in foo %} + {% if item == 1 %} + {% set x = 2 %} + {% endif %} + {% endfor %} + {{ x }} + ''') + rv = t.render(foo=[1]).strip() + assert rv == u'1' + + def test_call_with_args(self): + t = Template("""{% macro dump_users(users) -%} + <ul> + {%- for user in users -%} + <li><p>{{ user.username|e }}</p>{{ caller(user) }}</li> + {%- endfor -%} + </ul> + {%- endmacro -%} + + {% call(user) dump_users(list_of_user) -%} + <dl> + <dl>Realname</dl> + <dd>{{ user.realname|e }}</dd> + <dl>Description</dl> + <dd>{{ user.description }}</dd> + </dl> + {% endcall %}""") + + assert [x.strip() for x in t.render(list_of_user=[{ + 'username':'apo', + 'realname':'something else', + 'description':'test' + }]).splitlines()] == [ + u'<ul><li><p>apo</p><dl>', + u'<dl>Realname</dl>', + u'<dd>something else</dd>', + u'<dl>Description</dl>', + u'<dd>test</dd>', + u'</dl>', + u'</li></ul>' + ] + + def test_empty_if_condition_fails(self): + self.assert_raises(TemplateSyntaxError, Template, '{% if %}....{% endif %}') + self.assert_raises(TemplateSyntaxError, Template, '{% if foo %}...{% elif %}...{% endif %}') + self.assert_raises(TemplateSyntaxError, Template, '{% for x in %}..{% endfor %}') + + def test_recursive_loop_bug(self): + tpl1 = Template(""" + {% for p in foo recursive%} + {{p.bar}} + {% for f in p.fields recursive%} + {{f.baz}} + {{p.bar}} + {% if f.rec %} + {{ loop(f.sub) }} + {% endif %} + {% endfor %} + {% endfor %} + """) + + tpl2 = Template(""" + {% for p in foo%} + {{p.bar}} + {% for f in p.fields recursive%} + {{f.baz}} + {{p.bar}} + {% if f.rec %} + {{ loop(f.sub) }} + {% endif %} + {% endfor %} + {% endfor %} + """) + + def test_else_loop_bug(self): + t = Template(''' + {% for x in y %} + {{ loop.index0 }} + {% else %} + {% for i in range(3) %}{{ i }}{% endfor %} + {% endfor %} + ''') + self.assertEqual(t.render(y=[]).strip(), '012') + + def test_correct_prefix_loader_name(self): + env = Environment(loader=PrefixLoader({ + 'foo': DictLoader({}) + })) + try: + env.get_template('foo/bar.html') + except TemplateNotFound as e: + assert e.name == 'foo/bar.html' + else: + assert False, 'expected error here' + + def test_contextfunction_callable_classes(self): + from jinja2.utils import contextfunction + class CallableClass(object): + @contextfunction + def __call__(self, ctx): + return ctx.resolve('hello') + + tpl = Template("""{{ callableclass() }}""") + output = tpl.render(callableclass = CallableClass(), hello = 'TEST') + expected = 'TEST' + + self.assert_equal(output, expected) + + +def suite(): + suite = unittest.TestSuite() + suite.addTest(unittest.makeSuite(CornerTestCase)) + suite.addTest(unittest.makeSuite(BugTestCase)) + return suite diff --git a/pyload/lib/jinja2/testsuite/res/__init__.py b/pyload/lib/jinja2/testsuite/res/__init__.py new file mode 100644 index 000000000..e69de29bb --- /dev/null +++ b/pyload/lib/jinja2/testsuite/res/__init__.py diff --git a/pyload/lib/jinja2/testsuite/res/templates/broken.html b/pyload/lib/jinja2/testsuite/res/templates/broken.html new file mode 100644 index 000000000..77669fae5 --- /dev/null +++ b/pyload/lib/jinja2/testsuite/res/templates/broken.html @@ -0,0 +1,3 @@ +Before +{{ fail() }} +After diff --git a/pyload/lib/jinja2/testsuite/res/templates/foo/test.html b/pyload/lib/jinja2/testsuite/res/templates/foo/test.html new file mode 100644 index 000000000..b7d6715e2 --- /dev/null +++ b/pyload/lib/jinja2/testsuite/res/templates/foo/test.html @@ -0,0 +1 @@ +FOO diff --git a/pyload/lib/jinja2/testsuite/res/templates/syntaxerror.html b/pyload/lib/jinja2/testsuite/res/templates/syntaxerror.html new file mode 100644 index 000000000..f21b81793 --- /dev/null +++ b/pyload/lib/jinja2/testsuite/res/templates/syntaxerror.html @@ -0,0 +1,4 @@ +Foo +{% for item in broken %} + ... +{% endif %} diff --git a/pyload/lib/jinja2/testsuite/res/templates/test.html b/pyload/lib/jinja2/testsuite/res/templates/test.html new file mode 100644 index 000000000..ba578e48b --- /dev/null +++ b/pyload/lib/jinja2/testsuite/res/templates/test.html @@ -0,0 +1 @@ +BAR diff --git a/pyload/lib/jinja2/testsuite/security.py b/pyload/lib/jinja2/testsuite/security.py new file mode 100644 index 000000000..246d0f073 --- /dev/null +++ b/pyload/lib/jinja2/testsuite/security.py @@ -0,0 +1,166 @@ +# -*- coding: utf-8 -*- +""" + jinja2.testsuite.security + ~~~~~~~~~~~~~~~~~~~~~~~~~ + + Checks the sandbox and other security features. + + :copyright: (c) 2010 by the Jinja Team. + :license: BSD, see LICENSE for more details. +""" +import unittest + +from jinja2.testsuite import JinjaTestCase + +from jinja2 import Environment +from jinja2.sandbox import SandboxedEnvironment, \ + ImmutableSandboxedEnvironment, unsafe +from jinja2 import Markup, escape +from jinja2.exceptions import SecurityError, TemplateSyntaxError, \ + TemplateRuntimeError +from jinja2._compat import text_type + + +class PrivateStuff(object): + + def bar(self): + return 23 + + @unsafe + def foo(self): + return 42 + + def __repr__(self): + return 'PrivateStuff' + + +class PublicStuff(object): + bar = lambda self: 23 + _foo = lambda self: 42 + + def __repr__(self): + return 'PublicStuff' + + +class SandboxTestCase(JinjaTestCase): + + def test_unsafe(self): + env = SandboxedEnvironment() + self.assert_raises(SecurityError, env.from_string("{{ foo.foo() }}").render, + foo=PrivateStuff()) + self.assert_equal(env.from_string("{{ foo.bar() }}").render(foo=PrivateStuff()), '23') + + self.assert_raises(SecurityError, env.from_string("{{ foo._foo() }}").render, + foo=PublicStuff()) + self.assert_equal(env.from_string("{{ foo.bar() }}").render(foo=PublicStuff()), '23') + self.assert_equal(env.from_string("{{ foo.__class__ }}").render(foo=42), '') + self.assert_equal(env.from_string("{{ foo.func_code }}").render(foo=lambda:None), '') + # security error comes from __class__ already. + self.assert_raises(SecurityError, env.from_string( + "{{ foo.__class__.__subclasses__() }}").render, foo=42) + + def test_immutable_environment(self): + env = ImmutableSandboxedEnvironment() + self.assert_raises(SecurityError, env.from_string( + '{{ [].append(23) }}').render) + self.assert_raises(SecurityError, env.from_string( + '{{ {1:2}.clear() }}').render) + + def test_restricted(self): + env = SandboxedEnvironment() + self.assert_raises(TemplateSyntaxError, env.from_string, + "{% for item.attribute in seq %}...{% endfor %}") + self.assert_raises(TemplateSyntaxError, env.from_string, + "{% for foo, bar.baz in seq %}...{% endfor %}") + + def test_markup_operations(self): + # adding two strings should escape the unsafe one + unsafe = '<script type="application/x-some-script">alert("foo");</script>' + safe = Markup('<em>username</em>') + assert unsafe + safe == text_type(escape(unsafe)) + text_type(safe) + + # string interpolations are safe to use too + assert Markup('<em>%s</em>') % '<bad user>' == \ + '<em><bad user></em>' + assert Markup('<em>%(username)s</em>') % { + 'username': '<bad user>' + } == '<em><bad user></em>' + + # an escaped object is markup too + assert type(Markup('foo') + 'bar') is Markup + + # and it implements __html__ by returning itself + x = Markup("foo") + assert x.__html__() is x + + # it also knows how to treat __html__ objects + class Foo(object): + def __html__(self): + return '<em>awesome</em>' + def __unicode__(self): + return 'awesome' + assert Markup(Foo()) == '<em>awesome</em>' + assert Markup('<strong>%s</strong>') % Foo() == \ + '<strong><em>awesome</em></strong>' + + # escaping and unescaping + assert escape('"<>&\'') == '"<>&'' + assert Markup("<em>Foo & Bar</em>").striptags() == "Foo & Bar" + assert Markup("<test>").unescape() == "<test>" + + def test_template_data(self): + env = Environment(autoescape=True) + t = env.from_string('{% macro say_hello(name) %}' + '<p>Hello {{ name }}!</p>{% endmacro %}' + '{{ say_hello("<blink>foo</blink>") }}') + escaped_out = '<p>Hello <blink>foo</blink>!</p>' + assert t.render() == escaped_out + assert text_type(t.module) == escaped_out + assert escape(t.module) == escaped_out + assert t.module.say_hello('<blink>foo</blink>') == escaped_out + assert escape(t.module.say_hello('<blink>foo</blink>')) == escaped_out + + def test_attr_filter(self): + env = SandboxedEnvironment() + tmpl = env.from_string('{{ cls|attr("__subclasses__")() }}') + self.assert_raises(SecurityError, tmpl.render, cls=int) + + def test_binary_operator_intercepting(self): + def disable_op(left, right): + raise TemplateRuntimeError('that operator so does not work') + for expr, ctx, rv in ('1 + 2', {}, '3'), ('a + 2', {'a': 2}, '4'): + env = SandboxedEnvironment() + env.binop_table['+'] = disable_op + t = env.from_string('{{ %s }}' % expr) + assert t.render(ctx) == rv + env.intercepted_binops = frozenset(['+']) + t = env.from_string('{{ %s }}' % expr) + try: + t.render(ctx) + except TemplateRuntimeError as e: + pass + else: + self.fail('expected runtime error') + + def test_unary_operator_intercepting(self): + def disable_op(arg): + raise TemplateRuntimeError('that operator so does not work') + for expr, ctx, rv in ('-1', {}, '-1'), ('-a', {'a': 2}, '-2'): + env = SandboxedEnvironment() + env.unop_table['-'] = disable_op + t = env.from_string('{{ %s }}' % expr) + assert t.render(ctx) == rv + env.intercepted_unops = frozenset(['-']) + t = env.from_string('{{ %s }}' % expr) + try: + t.render(ctx) + except TemplateRuntimeError as e: + pass + else: + self.fail('expected runtime error') + + +def suite(): + suite = unittest.TestSuite() + suite.addTest(unittest.makeSuite(SandboxTestCase)) + return suite diff --git a/pyload/lib/jinja2/testsuite/tests.py b/pyload/lib/jinja2/testsuite/tests.py new file mode 100644 index 000000000..3ece7a8ff --- /dev/null +++ b/pyload/lib/jinja2/testsuite/tests.py @@ -0,0 +1,93 @@ +# -*- coding: utf-8 -*- +""" + jinja2.testsuite.tests + ~~~~~~~~~~~~~~~~~~~~~~ + + Who tests the tests? + + :copyright: (c) 2010 by the Jinja Team. + :license: BSD, see LICENSE for more details. +""" +import unittest +from jinja2.testsuite import JinjaTestCase + +from jinja2 import Markup, Environment + +env = Environment() + + +class TestsTestCase(JinjaTestCase): + + def test_defined(self): + tmpl = env.from_string('{{ missing is defined }}|{{ true is defined }}') + assert tmpl.render() == 'False|True' + + def test_even(self): + tmpl = env.from_string('''{{ 1 is even }}|{{ 2 is even }}''') + assert tmpl.render() == 'False|True' + + def test_odd(self): + tmpl = env.from_string('''{{ 1 is odd }}|{{ 2 is odd }}''') + assert tmpl.render() == 'True|False' + + def test_lower(self): + tmpl = env.from_string('''{{ "foo" is lower }}|{{ "FOO" is lower }}''') + assert tmpl.render() == 'True|False' + + def test_typechecks(self): + tmpl = env.from_string(''' + {{ 42 is undefined }} + {{ 42 is defined }} + {{ 42 is none }} + {{ none is none }} + {{ 42 is number }} + {{ 42 is string }} + {{ "foo" is string }} + {{ "foo" is sequence }} + {{ [1] is sequence }} + {{ range is callable }} + {{ 42 is callable }} + {{ range(5) is iterable }} + {{ {} is mapping }} + {{ mydict is mapping }} + {{ [] is mapping }} + ''') + class MyDict(dict): + pass + assert tmpl.render(mydict=MyDict()).split() == [ + 'False', 'True', 'False', 'True', 'True', 'False', + 'True', 'True', 'True', 'True', 'False', 'True', + 'True', 'True', 'False' + ] + + def test_sequence(self): + tmpl = env.from_string( + '{{ [1, 2, 3] is sequence }}|' + '{{ "foo" is sequence }}|' + '{{ 42 is sequence }}' + ) + assert tmpl.render() == 'True|True|False' + + def test_upper(self): + tmpl = env.from_string('{{ "FOO" is upper }}|{{ "foo" is upper }}') + assert tmpl.render() == 'True|False' + + def test_sameas(self): + tmpl = env.from_string('{{ foo is sameas false }}|' + '{{ 0 is sameas false }}') + assert tmpl.render(foo=False) == 'True|False' + + def test_no_paren_for_arg1(self): + tmpl = env.from_string('{{ foo is sameas none }}') + assert tmpl.render(foo=None) == 'True' + + def test_escaped(self): + env = Environment(autoescape=True) + tmpl = env.from_string('{{ x is escaped }}|{{ y is escaped }}') + assert tmpl.render(x='foo', y=Markup('foo')) == 'False|True' + + +def suite(): + suite = unittest.TestSuite() + suite.addTest(unittest.makeSuite(TestsTestCase)) + return suite diff --git a/pyload/lib/jinja2/testsuite/utils.py b/pyload/lib/jinja2/testsuite/utils.py new file mode 100644 index 000000000..cab9b09a9 --- /dev/null +++ b/pyload/lib/jinja2/testsuite/utils.py @@ -0,0 +1,82 @@ +# -*- coding: utf-8 -*- +""" + jinja2.testsuite.utils + ~~~~~~~~~~~~~~~~~~~~~~ + + Tests utilities jinja uses. + + :copyright: (c) 2010 by the Jinja Team. + :license: BSD, see LICENSE for more details. +""" +import gc +import unittest + +import pickle + +from jinja2.testsuite import JinjaTestCase + +from jinja2.utils import LRUCache, escape, object_type_repr + + +class LRUCacheTestCase(JinjaTestCase): + + def test_simple(self): + d = LRUCache(3) + d["a"] = 1 + d["b"] = 2 + d["c"] = 3 + d["a"] + d["d"] = 4 + assert len(d) == 3 + assert 'a' in d and 'c' in d and 'd' in d and 'b' not in d + + def test_pickleable(self): + cache = LRUCache(2) + cache["foo"] = 42 + cache["bar"] = 23 + cache["foo"] + + for protocol in range(3): + copy = pickle.loads(pickle.dumps(cache, protocol)) + assert copy.capacity == cache.capacity + assert copy._mapping == cache._mapping + assert copy._queue == cache._queue + + +class HelpersTestCase(JinjaTestCase): + + def test_object_type_repr(self): + class X(object): + pass + self.assert_equal(object_type_repr(42), 'int object') + self.assert_equal(object_type_repr([]), 'list object') + self.assert_equal(object_type_repr(X()), + 'jinja2.testsuite.utils.X object') + self.assert_equal(object_type_repr(None), 'None') + self.assert_equal(object_type_repr(Ellipsis), 'Ellipsis') + + +class MarkupLeakTestCase(JinjaTestCase): + + def test_markup_leaks(self): + counts = set() + for count in range(20): + for item in range(1000): + escape("foo") + escape("<foo>") + escape(u"foo") + escape(u"<foo>") + counts.add(len(gc.get_objects())) + assert len(counts) == 1, 'ouch, c extension seems to leak objects' + + +def suite(): + suite = unittest.TestSuite() + suite.addTest(unittest.makeSuite(LRUCacheTestCase)) + suite.addTest(unittest.makeSuite(HelpersTestCase)) + + # this test only tests the c extension + if not hasattr(escape, 'func_code'): + suite.addTest(unittest.makeSuite(MarkupLeakTestCase)) + + return suite diff --git a/pyload/lib/jinja2/utils.py b/pyload/lib/jinja2/utils.py new file mode 100644 index 000000000..ddc47da0a --- /dev/null +++ b/pyload/lib/jinja2/utils.py @@ -0,0 +1,520 @@ +# -*- coding: utf-8 -*- +""" + jinja2.utils + ~~~~~~~~~~~~ + + Utility functions. + + :copyright: (c) 2010 by the Jinja Team. + :license: BSD, see LICENSE for more details. +""" +import re +import errno +from collections import deque +from jinja2._compat import text_type, string_types, implements_iterator, \ + allocate_lock, url_quote + + +_word_split_re = re.compile(r'(\s+)') +_punctuation_re = re.compile( + '^(?P<lead>(?:%s)*)(?P<middle>.*?)(?P<trail>(?:%s)*)$' % ( + '|'.join(map(re.escape, ('(', '<', '<'))), + '|'.join(map(re.escape, ('.', ',', ')', '>', '\n', '>'))) + ) +) +_simple_email_re = re.compile(r'^\S+@[a-zA-Z0-9._-]+\.[a-zA-Z0-9._-]+$') +_striptags_re = re.compile(r'(<!--.*?-->|<[^>]*>)') +_entity_re = re.compile(r'&([^;]+);') +_letters = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ' +_digits = '0123456789' + +# special singleton representing missing values for the runtime +missing = type('MissingType', (), {'__repr__': lambda x: 'missing'})() + +# internal code +internal_code = set() + +concat = u''.join + + +def contextfunction(f): + """This decorator can be used to mark a function or method context callable. + A context callable is passed the active :class:`Context` as first argument when + called from the template. This is useful if a function wants to get access + to the context or functions provided on the context object. For example + a function that returns a sorted list of template variables the current + template exports could look like this:: + + @contextfunction + def get_exported_names(context): + return sorted(context.exported_vars) + """ + f.contextfunction = True + return f + + +def evalcontextfunction(f): + """This decorator can be used to mark a function or method as an eval + context callable. This is similar to the :func:`contextfunction` + but instead of passing the context, an evaluation context object is + passed. For more information about the eval context, see + :ref:`eval-context`. + + .. versionadded:: 2.4 + """ + f.evalcontextfunction = True + return f + + +def environmentfunction(f): + """This decorator can be used to mark a function or method as environment + callable. This decorator works exactly like the :func:`contextfunction` + decorator just that the first argument is the active :class:`Environment` + and not context. + """ + f.environmentfunction = True + return f + + +def internalcode(f): + """Marks the function as internally used""" + internal_code.add(f.__code__) + return f + + +def is_undefined(obj): + """Check if the object passed is undefined. This does nothing more than + performing an instance check against :class:`Undefined` but looks nicer. + This can be used for custom filters or tests that want to react to + undefined variables. For example a custom default filter can look like + this:: + + def default(var, default=''): + if is_undefined(var): + return default + return var + """ + from jinja2.runtime import Undefined + return isinstance(obj, Undefined) + + +def consume(iterable): + """Consumes an iterable without doing anything with it.""" + for event in iterable: + pass + + +def clear_caches(): + """Jinja2 keeps internal caches for environments and lexers. These are + used so that Jinja2 doesn't have to recreate environments and lexers all + the time. Normally you don't have to care about that but if you are + messuring memory consumption you may want to clean the caches. + """ + from jinja2.environment import _spontaneous_environments + from jinja2.lexer import _lexer_cache + _spontaneous_environments.clear() + _lexer_cache.clear() + + +def import_string(import_name, silent=False): + """Imports an object based on a string. This is useful if you want to + use import paths as endpoints or something similar. An import path can + be specified either in dotted notation (``xml.sax.saxutils.escape``) + or with a colon as object delimiter (``xml.sax.saxutils:escape``). + + If the `silent` is True the return value will be `None` if the import + fails. + + :return: imported object + """ + try: + if ':' in import_name: + module, obj = import_name.split(':', 1) + elif '.' in import_name: + items = import_name.split('.') + module = '.'.join(items[:-1]) + obj = items[-1] + else: + return __import__(import_name) + return getattr(__import__(module, None, None, [obj]), obj) + except (ImportError, AttributeError): + if not silent: + raise + + +def open_if_exists(filename, mode='rb'): + """Returns a file descriptor for the filename if that file exists, + otherwise `None`. + """ + try: + return open(filename, mode) + except IOError as e: + if e.errno not in (errno.ENOENT, errno.EISDIR): + raise + + +def object_type_repr(obj): + """Returns the name of the object's type. For some recognized + singletons the name of the object is returned instead. (For + example for `None` and `Ellipsis`). + """ + if obj is None: + return 'None' + elif obj is Ellipsis: + return 'Ellipsis' + # __builtin__ in 2.x, builtins in 3.x + if obj.__class__.__module__ in ('__builtin__', 'builtins'): + name = obj.__class__.__name__ + else: + name = obj.__class__.__module__ + '.' + obj.__class__.__name__ + return '%s object' % name + + +def pformat(obj, verbose=False): + """Prettyprint an object. Either use the `pretty` library or the + builtin `pprint`. + """ + try: + from pretty import pretty + return pretty(obj, verbose=verbose) + except ImportError: + from pprint import pformat + return pformat(obj) + + +def urlize(text, trim_url_limit=None, nofollow=False): + """Converts any URLs in text into clickable links. Works on http://, + https:// and www. links. Links can have trailing punctuation (periods, + commas, close-parens) and leading punctuation (opening parens) and + it'll still do the right thing. + + If trim_url_limit is not None, the URLs in link text will be limited + to trim_url_limit characters. + + If nofollow is True, the URLs in link text will get a rel="nofollow" + attribute. + """ + trim_url = lambda x, limit=trim_url_limit: limit is not None \ + and (x[:limit] + (len(x) >=limit and '...' + or '')) or x + words = _word_split_re.split(text_type(escape(text))) + nofollow_attr = nofollow and ' rel="nofollow"' or '' + for i, word in enumerate(words): + match = _punctuation_re.match(word) + if match: + lead, middle, trail = match.groups() + if middle.startswith('www.') or ( + '@' not in middle and + not middle.startswith('http://') and + not middle.startswith('https://') and + len(middle) > 0 and + middle[0] in _letters + _digits and ( + middle.endswith('.org') or + middle.endswith('.net') or + middle.endswith('.com') + )): + middle = '<a href="http://%s"%s>%s</a>' % (middle, + nofollow_attr, trim_url(middle)) + if middle.startswith('http://') or \ + middle.startswith('https://'): + middle = '<a href="%s"%s>%s</a>' % (middle, + nofollow_attr, trim_url(middle)) + if '@' in middle and not middle.startswith('www.') and \ + not ':' in middle and _simple_email_re.match(middle): + middle = '<a href="mailto:%s">%s</a>' % (middle, middle) + if lead + middle + trail != word: + words[i] = lead + middle + trail + return u''.join(words) + + +def generate_lorem_ipsum(n=5, html=True, min=20, max=100): + """Generate some lorem impsum for the template.""" + from jinja2.constants import LOREM_IPSUM_WORDS + from random import choice, randrange + words = LOREM_IPSUM_WORDS.split() + result = [] + + for _ in range(n): + next_capitalized = True + last_comma = last_fullstop = 0 + word = None + last = None + p = [] + + # each paragraph contains out of 20 to 100 words. + for idx, _ in enumerate(range(randrange(min, max))): + while True: + word = choice(words) + if word != last: + last = word + break + if next_capitalized: + word = word.capitalize() + next_capitalized = False + # add commas + if idx - randrange(3, 8) > last_comma: + last_comma = idx + last_fullstop += 2 + word += ',' + # add end of sentences + if idx - randrange(10, 20) > last_fullstop: + last_comma = last_fullstop = idx + word += '.' + next_capitalized = True + p.append(word) + + # ensure that the paragraph ends with a dot. + p = u' '.join(p) + if p.endswith(','): + p = p[:-1] + '.' + elif not p.endswith('.'): + p += '.' + result.append(p) + + if not html: + return u'\n\n'.join(result) + return Markup(u'\n'.join(u'<p>%s</p>' % escape(x) for x in result)) + + +def unicode_urlencode(obj, charset='utf-8'): + """URL escapes a single bytestring or unicode string with the + given charset if applicable to URL safe quoting under all rules + that need to be considered under all supported Python versions. + + If non strings are provided they are converted to their unicode + representation first. + """ + if not isinstance(obj, string_types): + obj = text_type(obj) + if isinstance(obj, text_type): + obj = obj.encode(charset) + return text_type(url_quote(obj)) + + +class LRUCache(object): + """A simple LRU Cache implementation.""" + + # this is fast for small capacities (something below 1000) but doesn't + # scale. But as long as it's only used as storage for templates this + # won't do any harm. + + def __init__(self, capacity): + self.capacity = capacity + self._mapping = {} + self._queue = deque() + self._postinit() + + def _postinit(self): + # alias all queue methods for faster lookup + self._popleft = self._queue.popleft + self._pop = self._queue.pop + self._remove = self._queue.remove + self._wlock = allocate_lock() + self._append = self._queue.append + + def __getstate__(self): + return { + 'capacity': self.capacity, + '_mapping': self._mapping, + '_queue': self._queue + } + + def __setstate__(self, d): + self.__dict__.update(d) + self._postinit() + + def __getnewargs__(self): + return (self.capacity,) + + def copy(self): + """Return a shallow copy of the instance.""" + rv = self.__class__(self.capacity) + rv._mapping.update(self._mapping) + rv._queue = deque(self._queue) + return rv + + def get(self, key, default=None): + """Return an item from the cache dict or `default`""" + try: + return self[key] + except KeyError: + return default + + def setdefault(self, key, default=None): + """Set `default` if the key is not in the cache otherwise + leave unchanged. Return the value of this key. + """ + self._wlock.acquire() + try: + try: + return self[key] + except KeyError: + self[key] = default + return default + finally: + self._wlock.release() + + def clear(self): + """Clear the cache.""" + self._wlock.acquire() + try: + self._mapping.clear() + self._queue.clear() + finally: + self._wlock.release() + + def __contains__(self, key): + """Check if a key exists in this cache.""" + return key in self._mapping + + def __len__(self): + """Return the current size of the cache.""" + return len(self._mapping) + + def __repr__(self): + return '<%s %r>' % ( + self.__class__.__name__, + self._mapping + ) + + def __getitem__(self, key): + """Get an item from the cache. Moves the item up so that it has the + highest priority then. + + Raise a `KeyError` if it does not exist. + """ + self._wlock.acquire() + try: + rv = self._mapping[key] + if self._queue[-1] != key: + try: + self._remove(key) + except ValueError: + # if something removed the key from the container + # when we read, ignore the ValueError that we would + # get otherwise. + pass + self._append(key) + return rv + finally: + self._wlock.release() + + def __setitem__(self, key, value): + """Sets the value for an item. Moves the item up so that it + has the highest priority then. + """ + self._wlock.acquire() + try: + if key in self._mapping: + self._remove(key) + elif len(self._mapping) == self.capacity: + del self._mapping[self._popleft()] + self._append(key) + self._mapping[key] = value + finally: + self._wlock.release() + + def __delitem__(self, key): + """Remove an item from the cache dict. + Raise a `KeyError` if it does not exist. + """ + self._wlock.acquire() + try: + del self._mapping[key] + try: + self._remove(key) + except ValueError: + # __getitem__ is not locked, it might happen + pass + finally: + self._wlock.release() + + def items(self): + """Return a list of items.""" + result = [(key, self._mapping[key]) for key in list(self._queue)] + result.reverse() + return result + + def iteritems(self): + """Iterate over all items.""" + return iter(self.items()) + + def values(self): + """Return a list of all values.""" + return [x[1] for x in self.items()] + + def itervalue(self): + """Iterate over all values.""" + return iter(self.values()) + + def keys(self): + """Return a list of all keys ordered by most recent usage.""" + return list(self) + + def iterkeys(self): + """Iterate over all keys in the cache dict, ordered by + the most recent usage. + """ + return reversed(tuple(self._queue)) + + __iter__ = iterkeys + + def __reversed__(self): + """Iterate over the values in the cache dict, oldest items + coming first. + """ + return iter(tuple(self._queue)) + + __copy__ = copy + + +# register the LRU cache as mutable mapping if possible +try: + from collections import MutableMapping + MutableMapping.register(LRUCache) +except ImportError: + pass + + +@implements_iterator +class Cycler(object): + """A cycle helper for templates.""" + + def __init__(self, *items): + if not items: + raise RuntimeError('at least one item has to be provided') + self.items = items + self.reset() + + def reset(self): + """Resets the cycle.""" + self.pos = 0 + + @property + def current(self): + """Returns the current item.""" + return self.items[self.pos] + + def __next__(self): + """Goes one item ahead and returns it.""" + rv = self.current + self.pos = (self.pos + 1) % len(self.items) + return rv + + +class Joiner(object): + """A joining helper for templates.""" + + def __init__(self, sep=u', '): + self.sep = sep + self.used = False + + def __call__(self): + if not self.used: + self.used = True + return u'' + return self.sep + + +# Imported here because that's where it was in the past +from markupsafe import Markup, escape, soft_unicode diff --git a/pyload/lib/jinja2/visitor.py b/pyload/lib/jinja2/visitor.py new file mode 100644 index 000000000..413e7c309 --- /dev/null +++ b/pyload/lib/jinja2/visitor.py @@ -0,0 +1,87 @@ +# -*- coding: utf-8 -*- +""" + jinja2.visitor + ~~~~~~~~~~~~~~ + + This module implements a visitor for the nodes. + + :copyright: (c) 2010 by the Jinja Team. + :license: BSD. +""" +from jinja2.nodes import Node + + +class NodeVisitor(object): + """Walks the abstract syntax tree and call visitor functions for every + node found. The visitor functions may return values which will be + forwarded by the `visit` method. + + Per default the visitor functions for the nodes are ``'visit_'`` + + class name of the node. So a `TryFinally` node visit function would + be `visit_TryFinally`. This behavior can be changed by overriding + the `get_visitor` function. If no visitor function exists for a node + (return value `None`) the `generic_visit` visitor is used instead. + """ + + def get_visitor(self, node): + """Return the visitor function for this node or `None` if no visitor + exists for this node. In that case the generic visit function is + used instead. + """ + method = 'visit_' + node.__class__.__name__ + return getattr(self, method, None) + + def visit(self, node, *args, **kwargs): + """Visit a node.""" + f = self.get_visitor(node) + if f is not None: + return f(node, *args, **kwargs) + return self.generic_visit(node, *args, **kwargs) + + def generic_visit(self, node, *args, **kwargs): + """Called if no explicit visitor function exists for a node.""" + for node in node.iter_child_nodes(): + self.visit(node, *args, **kwargs) + + +class NodeTransformer(NodeVisitor): + """Walks the abstract syntax tree and allows modifications of nodes. + + The `NodeTransformer` will walk the AST and use the return value of the + visitor functions to replace or remove the old node. If the return + value of the visitor function is `None` the node will be removed + from the previous location otherwise it's replaced with the return + value. The return value may be the original node in which case no + replacement takes place. + """ + + def generic_visit(self, node, *args, **kwargs): + for field, old_value in node.iter_fields(): + if isinstance(old_value, list): + new_values = [] + for value in old_value: + if isinstance(value, Node): + value = self.visit(value, *args, **kwargs) + if value is None: + continue + elif not isinstance(value, Node): + new_values.extend(value) + continue + new_values.append(value) + old_value[:] = new_values + elif isinstance(old_value, Node): + new_node = self.visit(old_value, *args, **kwargs) + if new_node is None: + delattr(node, field) + else: + setattr(node, field, new_node) + return node + + def visit_list(self, node, *args, **kwargs): + """As transformers may return lists in some places this method + can be used to enforce a list as return value. + """ + rv = self.visit(node, *args, **kwargs) + if not isinstance(rv, list): + rv = [rv] + return rv diff --git a/pyload/lib/markupsafe/__init__.py b/pyload/lib/markupsafe/__init__.py new file mode 100644 index 000000000..275540154 --- /dev/null +++ b/pyload/lib/markupsafe/__init__.py @@ -0,0 +1,298 @@ +# -*- coding: utf-8 -*- +""" + markupsafe + ~~~~~~~~~~ + + Implements a Markup string. + + :copyright: (c) 2010 by Armin Ronacher. + :license: BSD, see LICENSE for more details. +""" +import re +import string +from collections import Mapping +from markupsafe._compat import text_type, string_types, int_types, \ + unichr, iteritems, PY2 + + +__all__ = ['Markup', 'soft_unicode', 'escape', 'escape_silent'] + + +_striptags_re = re.compile(r'(<!--.*?-->|<[^>]*>)') +_entity_re = re.compile(r'&([^;]+);') + + +class Markup(text_type): + r"""Marks a string as being safe for inclusion in HTML/XML output without + needing to be escaped. This implements the `__html__` interface a couple + of frameworks and web applications use. :class:`Markup` is a direct + subclass of `unicode` and provides all the methods of `unicode` just that + it escapes arguments passed and always returns `Markup`. + + The `escape` function returns markup objects so that double escaping can't + happen. + + The constructor of the :class:`Markup` class can be used for three + different things: When passed an unicode object it's assumed to be safe, + when passed an object with an HTML representation (has an `__html__` + method) that representation is used, otherwise the object passed is + converted into a unicode string and then assumed to be safe: + + >>> Markup("Hello <em>World</em>!") + Markup(u'Hello <em>World</em>!') + >>> class Foo(object): + ... def __html__(self): + ... return '<a href="#">foo</a>' + ... + >>> Markup(Foo()) + Markup(u'<a href="#">foo</a>') + + If you want object passed being always treated as unsafe you can use the + :meth:`escape` classmethod to create a :class:`Markup` object: + + >>> Markup.escape("Hello <em>World</em>!") + Markup(u'Hello <em>World</em>!') + + Operations on a markup string are markup aware which means that all + arguments are passed through the :func:`escape` function: + + >>> em = Markup("<em>%s</em>") + >>> em % "foo & bar" + Markup(u'<em>foo & bar</em>') + >>> strong = Markup("<strong>%(text)s</strong>") + >>> strong % {'text': '<blink>hacker here</blink>'} + Markup(u'<strong><blink>hacker here</blink></strong>') + >>> Markup("<em>Hello</em> ") + "<foo>" + Markup(u'<em>Hello</em> <foo>') + """ + __slots__ = () + + def __new__(cls, base=u'', encoding=None, errors='strict'): + if hasattr(base, '__html__'): + base = base.__html__() + if encoding is None: + return text_type.__new__(cls, base) + return text_type.__new__(cls, base, encoding, errors) + + def __html__(self): + return self + + def __add__(self, other): + if isinstance(other, string_types) or hasattr(other, '__html__'): + return self.__class__(super(Markup, self).__add__(self.escape(other))) + return NotImplemented + + def __radd__(self, other): + if hasattr(other, '__html__') or isinstance(other, string_types): + return self.escape(other).__add__(self) + return NotImplemented + + def __mul__(self, num): + if isinstance(num, int_types): + return self.__class__(text_type.__mul__(self, num)) + return NotImplemented + __rmul__ = __mul__ + + def __mod__(self, arg): + if isinstance(arg, tuple): + arg = tuple(_MarkupEscapeHelper(x, self.escape) for x in arg) + else: + arg = _MarkupEscapeHelper(arg, self.escape) + return self.__class__(text_type.__mod__(self, arg)) + + def __repr__(self): + return '%s(%s)' % ( + self.__class__.__name__, + text_type.__repr__(self) + ) + + def join(self, seq): + return self.__class__(text_type.join(self, map(self.escape, seq))) + join.__doc__ = text_type.join.__doc__ + + def split(self, *args, **kwargs): + return list(map(self.__class__, text_type.split(self, *args, **kwargs))) + split.__doc__ = text_type.split.__doc__ + + def rsplit(self, *args, **kwargs): + return list(map(self.__class__, text_type.rsplit(self, *args, **kwargs))) + rsplit.__doc__ = text_type.rsplit.__doc__ + + def splitlines(self, *args, **kwargs): + return list(map(self.__class__, text_type.splitlines( + self, *args, **kwargs))) + splitlines.__doc__ = text_type.splitlines.__doc__ + + def unescape(self): + r"""Unescape markup again into an text_type string. This also resolves + known HTML4 and XHTML entities: + + >>> Markup("Main » <em>About</em>").unescape() + u'Main \xbb <em>About</em>' + """ + from markupsafe._constants import HTML_ENTITIES + def handle_match(m): + name = m.group(1) + if name in HTML_ENTITIES: + return unichr(HTML_ENTITIES[name]) + try: + if name[:2] in ('#x', '#X'): + return unichr(int(name[2:], 16)) + elif name.startswith('#'): + return unichr(int(name[1:])) + except ValueError: + pass + return u'' + return _entity_re.sub(handle_match, text_type(self)) + + def striptags(self): + r"""Unescape markup into an text_type string and strip all tags. This + also resolves known HTML4 and XHTML entities. Whitespace is + normalized to one: + + >>> Markup("Main » <em>About</em>").striptags() + u'Main \xbb About' + """ + stripped = u' '.join(_striptags_re.sub('', self).split()) + return Markup(stripped).unescape() + + @classmethod + def escape(cls, s): + """Escape the string. Works like :func:`escape` with the difference + that for subclasses of :class:`Markup` this function would return the + correct subclass. + """ + rv = escape(s) + if rv.__class__ is not cls: + return cls(rv) + return rv + + def make_simple_escaping_wrapper(name): + orig = getattr(text_type, name) + def func(self, *args, **kwargs): + args = _escape_argspec(list(args), enumerate(args), self.escape) + _escape_argspec(kwargs, iteritems(kwargs), self.escape) + return self.__class__(orig(self, *args, **kwargs)) + func.__name__ = orig.__name__ + func.__doc__ = orig.__doc__ + return func + + for method in '__getitem__', 'capitalize', \ + 'title', 'lower', 'upper', 'replace', 'ljust', \ + 'rjust', 'lstrip', 'rstrip', 'center', 'strip', \ + 'translate', 'expandtabs', 'swapcase', 'zfill': + locals()[method] = make_simple_escaping_wrapper(method) + + # new in python 2.5 + if hasattr(text_type, 'partition'): + def partition(self, sep): + return tuple(map(self.__class__, + text_type.partition(self, self.escape(sep)))) + def rpartition(self, sep): + return tuple(map(self.__class__, + text_type.rpartition(self, self.escape(sep)))) + + # new in python 2.6 + if hasattr(text_type, 'format'): + def format(*args, **kwargs): + self, args = args[0], args[1:] + formatter = EscapeFormatter(self.escape) + kwargs = _MagicFormatMapping(args, kwargs) + return self.__class__(formatter.vformat(self, args, kwargs)) + + def __html_format__(self, format_spec): + if format_spec: + raise ValueError('Unsupported format specification ' + 'for Markup.') + return self + + # not in python 3 + if hasattr(text_type, '__getslice__'): + __getslice__ = make_simple_escaping_wrapper('__getslice__') + + del method, make_simple_escaping_wrapper + + +class _MagicFormatMapping(Mapping): + """This class implements a dummy wrapper to fix a bug in the Python + standard library for string formatting. + + See http://bugs.python.org/issue13598 for information about why + this is necessary. + """ + + def __init__(self, args, kwargs): + self._args = args + self._kwargs = kwargs + self._last_index = 0 + + def __getitem__(self, key): + if key == '': + idx = self._last_index + self._last_index += 1 + try: + return self._args[idx] + except LookupError: + pass + key = str(idx) + return self._kwargs[key] + + def __iter__(self): + return iter(self._kwargs) + + def __len__(self): + return len(self._kwargs) + + +if hasattr(text_type, 'format'): + class EscapeFormatter(string.Formatter): + + def __init__(self, escape): + self.escape = escape + + def format_field(self, value, format_spec): + if hasattr(value, '__html_format__'): + rv = value.__html_format__(format_spec) + elif hasattr(value, '__html__'): + if format_spec: + raise ValueError('No format specification allowed ' + 'when formatting an object with ' + 'its __html__ method.') + rv = value.__html__() + else: + rv = string.Formatter.format_field(self, value, format_spec) + return text_type(self.escape(rv)) + + +def _escape_argspec(obj, iterable, escape): + """Helper for various string-wrapped functions.""" + for key, value in iterable: + if hasattr(value, '__html__') or isinstance(value, string_types): + obj[key] = escape(value) + return obj + + +class _MarkupEscapeHelper(object): + """Helper for Markup.__mod__""" + + def __init__(self, obj, escape): + self.obj = obj + self.escape = escape + + __getitem__ = lambda s, x: _MarkupEscapeHelper(s.obj[x], s.escape) + __unicode__ = __str__ = lambda s: text_type(s.escape(s.obj)) + __repr__ = lambda s: str(s.escape(repr(s.obj))) + __int__ = lambda s: int(s.obj) + __float__ = lambda s: float(s.obj) + + +# we have to import it down here as the speedups and native +# modules imports the markup type which is define above. +try: + from markupsafe._speedups import escape, escape_silent, soft_unicode +except ImportError: + from markupsafe._native import escape, escape_silent, soft_unicode + +if not PY2: + soft_str = soft_unicode + __all__.append('soft_str') diff --git a/pyload/lib/markupsafe/_compat.py b/pyload/lib/markupsafe/_compat.py new file mode 100644 index 000000000..62e5632ad --- /dev/null +++ b/pyload/lib/markupsafe/_compat.py @@ -0,0 +1,26 @@ +# -*- coding: utf-8 -*- +""" + markupsafe._compat + ~~~~~~~~~~~~~~~~~~ + + Compatibility module for different Python versions. + + :copyright: (c) 2013 by Armin Ronacher. + :license: BSD, see LICENSE for more details. +""" +import sys + +PY2 = sys.version_info[0] == 2 + +if not PY2: + text_type = str + string_types = (str,) + unichr = chr + int_types = (int,) + iteritems = lambda x: iter(x.items()) +else: + text_type = unicode + string_types = (str, unicode) + unichr = unichr + int_types = (int, long) + iteritems = lambda x: x.iteritems() diff --git a/pyload/lib/markupsafe/_constants.py b/pyload/lib/markupsafe/_constants.py new file mode 100644 index 000000000..919bf03c5 --- /dev/null +++ b/pyload/lib/markupsafe/_constants.py @@ -0,0 +1,267 @@ +# -*- coding: utf-8 -*- +""" + markupsafe._constants + ~~~~~~~~~~~~~~~~~~~~~ + + Highlevel implementation of the Markup string. + + :copyright: (c) 2010 by Armin Ronacher. + :license: BSD, see LICENSE for more details. +""" + + +HTML_ENTITIES = { + 'AElig': 198, + 'Aacute': 193, + 'Acirc': 194, + 'Agrave': 192, + 'Alpha': 913, + 'Aring': 197, + 'Atilde': 195, + 'Auml': 196, + 'Beta': 914, + 'Ccedil': 199, + 'Chi': 935, + 'Dagger': 8225, + 'Delta': 916, + 'ETH': 208, + 'Eacute': 201, + 'Ecirc': 202, + 'Egrave': 200, + 'Epsilon': 917, + 'Eta': 919, + 'Euml': 203, + 'Gamma': 915, + 'Iacute': 205, + 'Icirc': 206, + 'Igrave': 204, + 'Iota': 921, + 'Iuml': 207, + 'Kappa': 922, + 'Lambda': 923, + 'Mu': 924, + 'Ntilde': 209, + 'Nu': 925, + 'OElig': 338, + 'Oacute': 211, + 'Ocirc': 212, + 'Ograve': 210, + 'Omega': 937, + 'Omicron': 927, + 'Oslash': 216, + 'Otilde': 213, + 'Ouml': 214, + 'Phi': 934, + 'Pi': 928, + 'Prime': 8243, + 'Psi': 936, + 'Rho': 929, + 'Scaron': 352, + 'Sigma': 931, + 'THORN': 222, + 'Tau': 932, + 'Theta': 920, + 'Uacute': 218, + 'Ucirc': 219, + 'Ugrave': 217, + 'Upsilon': 933, + 'Uuml': 220, + 'Xi': 926, + 'Yacute': 221, + 'Yuml': 376, + 'Zeta': 918, + 'aacute': 225, + 'acirc': 226, + 'acute': 180, + 'aelig': 230, + 'agrave': 224, + 'alefsym': 8501, + 'alpha': 945, + 'amp': 38, + 'and': 8743, + 'ang': 8736, + 'apos': 39, + 'aring': 229, + 'asymp': 8776, + 'atilde': 227, + 'auml': 228, + 'bdquo': 8222, + 'beta': 946, + 'brvbar': 166, + 'bull': 8226, + 'cap': 8745, + 'ccedil': 231, + 'cedil': 184, + 'cent': 162, + 'chi': 967, + 'circ': 710, + 'clubs': 9827, + 'cong': 8773, + 'copy': 169, + 'crarr': 8629, + 'cup': 8746, + 'curren': 164, + 'dArr': 8659, + 'dagger': 8224, + 'darr': 8595, + 'deg': 176, + 'delta': 948, + 'diams': 9830, + 'divide': 247, + 'eacute': 233, + 'ecirc': 234, + 'egrave': 232, + 'empty': 8709, + 'emsp': 8195, + 'ensp': 8194, + 'epsilon': 949, + 'equiv': 8801, + 'eta': 951, + 'eth': 240, + 'euml': 235, + 'euro': 8364, + 'exist': 8707, + 'fnof': 402, + 'forall': 8704, + 'frac12': 189, + 'frac14': 188, + 'frac34': 190, + 'frasl': 8260, + 'gamma': 947, + 'ge': 8805, + 'gt': 62, + 'hArr': 8660, + 'harr': 8596, + 'hearts': 9829, + 'hellip': 8230, + 'iacute': 237, + 'icirc': 238, + 'iexcl': 161, + 'igrave': 236, + 'image': 8465, + 'infin': 8734, + 'int': 8747, + 'iota': 953, + 'iquest': 191, + 'isin': 8712, + 'iuml': 239, + 'kappa': 954, + 'lArr': 8656, + 'lambda': 955, + 'lang': 9001, + 'laquo': 171, + 'larr': 8592, + 'lceil': 8968, + 'ldquo': 8220, + 'le': 8804, + 'lfloor': 8970, + 'lowast': 8727, + 'loz': 9674, + 'lrm': 8206, + 'lsaquo': 8249, + 'lsquo': 8216, + 'lt': 60, + 'macr': 175, + 'mdash': 8212, + 'micro': 181, + 'middot': 183, + 'minus': 8722, + 'mu': 956, + 'nabla': 8711, + 'nbsp': 160, + 'ndash': 8211, + 'ne': 8800, + 'ni': 8715, + 'not': 172, + 'notin': 8713, + 'nsub': 8836, + 'ntilde': 241, + 'nu': 957, + 'oacute': 243, + 'ocirc': 244, + 'oelig': 339, + 'ograve': 242, + 'oline': 8254, + 'omega': 969, + 'omicron': 959, + 'oplus': 8853, + 'or': 8744, + 'ordf': 170, + 'ordm': 186, + 'oslash': 248, + 'otilde': 245, + 'otimes': 8855, + 'ouml': 246, + 'para': 182, + 'part': 8706, + 'permil': 8240, + 'perp': 8869, + 'phi': 966, + 'pi': 960, + 'piv': 982, + 'plusmn': 177, + 'pound': 163, + 'prime': 8242, + 'prod': 8719, + 'prop': 8733, + 'psi': 968, + 'quot': 34, + 'rArr': 8658, + 'radic': 8730, + 'rang': 9002, + 'raquo': 187, + 'rarr': 8594, + 'rceil': 8969, + 'rdquo': 8221, + 'real': 8476, + 'reg': 174, + 'rfloor': 8971, + 'rho': 961, + 'rlm': 8207, + 'rsaquo': 8250, + 'rsquo': 8217, + 'sbquo': 8218, + 'scaron': 353, + 'sdot': 8901, + 'sect': 167, + 'shy': 173, + 'sigma': 963, + 'sigmaf': 962, + 'sim': 8764, + 'spades': 9824, + 'sub': 8834, + 'sube': 8838, + 'sum': 8721, + 'sup': 8835, + 'sup1': 185, + 'sup2': 178, + 'sup3': 179, + 'supe': 8839, + 'szlig': 223, + 'tau': 964, + 'there4': 8756, + 'theta': 952, + 'thetasym': 977, + 'thinsp': 8201, + 'thorn': 254, + 'tilde': 732, + 'times': 215, + 'trade': 8482, + 'uArr': 8657, + 'uacute': 250, + 'uarr': 8593, + 'ucirc': 251, + 'ugrave': 249, + 'uml': 168, + 'upsih': 978, + 'upsilon': 965, + 'uuml': 252, + 'weierp': 8472, + 'xi': 958, + 'yacute': 253, + 'yen': 165, + 'yuml': 255, + 'zeta': 950, + 'zwj': 8205, + 'zwnj': 8204 +} diff --git a/pyload/lib/markupsafe/_native.py b/pyload/lib/markupsafe/_native.py new file mode 100644 index 000000000..5e83f10a1 --- /dev/null +++ b/pyload/lib/markupsafe/_native.py @@ -0,0 +1,46 @@ +# -*- coding: utf-8 -*- +""" + markupsafe._native + ~~~~~~~~~~~~~~~~~~ + + Native Python implementation the C module is not compiled. + + :copyright: (c) 2010 by Armin Ronacher. + :license: BSD, see LICENSE for more details. +""" +from markupsafe import Markup +from markupsafe._compat import text_type + + +def escape(s): + """Convert the characters &, <, >, ' and " in string s to HTML-safe + sequences. Use this if you need to display text that might contain + such characters in HTML. Marks return value as markup string. + """ + if hasattr(s, '__html__'): + return s.__html__() + return Markup(text_type(s) + .replace('&', '&') + .replace('>', '>') + .replace('<', '<') + .replace("'", ''') + .replace('"', '"') + ) + + +def escape_silent(s): + """Like :func:`escape` but converts `None` into an empty + markup string. + """ + if s is None: + return Markup() + return escape(s) + + +def soft_unicode(s): + """Make a string unicode if it isn't already. That way a markup + string is not converted back to unicode. + """ + if not isinstance(s, text_type): + s = text_type(s) + return s diff --git a/pyload/lib/markupsafe/_speedups.c b/pyload/lib/markupsafe/_speedups.c new file mode 100644 index 000000000..f349febf2 --- /dev/null +++ b/pyload/lib/markupsafe/_speedups.c @@ -0,0 +1,239 @@ +/** + * markupsafe._speedups + * ~~~~~~~~~~~~~~~~~~~~ + * + * This module implements functions for automatic escaping in C for better + * performance. + * + * :copyright: (c) 2010 by Armin Ronacher. + * :license: BSD. + */ + +#include <Python.h> + +#define ESCAPED_CHARS_TABLE_SIZE 63 +#define UNICHR(x) (PyUnicode_AS_UNICODE((PyUnicodeObject*)PyUnicode_DecodeASCII(x, strlen(x), NULL))); + +#if PY_VERSION_HEX < 0x02050000 && !defined(PY_SSIZE_T_MIN) +typedef int Py_ssize_t; +#define PY_SSIZE_T_MAX INT_MAX +#define PY_SSIZE_T_MIN INT_MIN +#endif + + +static PyObject* markup; +static Py_ssize_t escaped_chars_delta_len[ESCAPED_CHARS_TABLE_SIZE]; +static Py_UNICODE *escaped_chars_repl[ESCAPED_CHARS_TABLE_SIZE]; + +static int +init_constants(void) +{ + PyObject *module; + /* happing of characters to replace */ + escaped_chars_repl['"'] = UNICHR("""); + escaped_chars_repl['\''] = UNICHR("'"); + escaped_chars_repl['&'] = UNICHR("&"); + escaped_chars_repl['<'] = UNICHR("<"); + escaped_chars_repl['>'] = UNICHR(">"); + + /* lengths of those characters when replaced - 1 */ + memset(escaped_chars_delta_len, 0, sizeof (escaped_chars_delta_len)); + escaped_chars_delta_len['"'] = escaped_chars_delta_len['\''] = \ + escaped_chars_delta_len['&'] = 4; + escaped_chars_delta_len['<'] = escaped_chars_delta_len['>'] = 3; + + /* import markup type so that we can mark the return value */ + module = PyImport_ImportModule("markupsafe"); + if (!module) + return 0; + markup = PyObject_GetAttrString(module, "Markup"); + Py_DECREF(module); + + return 1; +} + +static PyObject* +escape_unicode(PyUnicodeObject *in) +{ + PyUnicodeObject *out; + Py_UNICODE *inp = PyUnicode_AS_UNICODE(in); + const Py_UNICODE *inp_end = PyUnicode_AS_UNICODE(in) + PyUnicode_GET_SIZE(in); + Py_UNICODE *next_escp; + Py_UNICODE *outp; + Py_ssize_t delta=0, erepl=0, delta_len=0; + + /* First we need to figure out how long the escaped string will be */ + while (*(inp) || inp < inp_end) { + if (*inp < ESCAPED_CHARS_TABLE_SIZE) { + delta += escaped_chars_delta_len[*inp]; + erepl += !!escaped_chars_delta_len[*inp]; + } + ++inp; + } + + /* Do we need to escape anything at all? */ + if (!erepl) { + Py_INCREF(in); + return (PyObject*)in; + } + + out = (PyUnicodeObject*)PyUnicode_FromUnicode(NULL, PyUnicode_GET_SIZE(in) + delta); + if (!out) + return NULL; + + outp = PyUnicode_AS_UNICODE(out); + inp = PyUnicode_AS_UNICODE(in); + while (erepl-- > 0) { + /* look for the next substitution */ + next_escp = inp; + while (next_escp < inp_end) { + if (*next_escp < ESCAPED_CHARS_TABLE_SIZE && + (delta_len = escaped_chars_delta_len[*next_escp])) { + ++delta_len; + break; + } + ++next_escp; + } + + if (next_escp > inp) { + /* copy unescaped chars between inp and next_escp */ + Py_UNICODE_COPY(outp, inp, next_escp-inp); + outp += next_escp - inp; + } + + /* escape 'next_escp' */ + Py_UNICODE_COPY(outp, escaped_chars_repl[*next_escp], delta_len); + outp += delta_len; + + inp = next_escp + 1; + } + if (inp < inp_end) + Py_UNICODE_COPY(outp, inp, PyUnicode_GET_SIZE(in) - (inp - PyUnicode_AS_UNICODE(in))); + + return (PyObject*)out; +} + + +static PyObject* +escape(PyObject *self, PyObject *text) +{ + PyObject *s = NULL, *rv = NULL, *html; + + /* we don't have to escape integers, bools or floats */ + if (PyLong_CheckExact(text) || +#if PY_MAJOR_VERSION < 3 + PyInt_CheckExact(text) || +#endif + PyFloat_CheckExact(text) || PyBool_Check(text) || + text == Py_None) + return PyObject_CallFunctionObjArgs(markup, text, NULL); + + /* if the object has an __html__ method that performs the escaping */ + html = PyObject_GetAttrString(text, "__html__"); + if (html) { + rv = PyObject_CallObject(html, NULL); + Py_DECREF(html); + return rv; + } + + /* otherwise make the object unicode if it isn't, then escape */ + PyErr_Clear(); + if (!PyUnicode_Check(text)) { +#if PY_MAJOR_VERSION < 3 + PyObject *unicode = PyObject_Unicode(text); +#else + PyObject *unicode = PyObject_Str(text); +#endif + if (!unicode) + return NULL; + s = escape_unicode((PyUnicodeObject*)unicode); + Py_DECREF(unicode); + } + else + s = escape_unicode((PyUnicodeObject*)text); + + /* convert the unicode string into a markup object. */ + rv = PyObject_CallFunctionObjArgs(markup, (PyObject*)s, NULL); + Py_DECREF(s); + return rv; +} + + +static PyObject* +escape_silent(PyObject *self, PyObject *text) +{ + if (text != Py_None) + return escape(self, text); + return PyObject_CallFunctionObjArgs(markup, NULL); +} + + +static PyObject* +soft_unicode(PyObject *self, PyObject *s) +{ + if (!PyUnicode_Check(s)) +#if PY_MAJOR_VERSION < 3 + return PyObject_Unicode(s); +#else + return PyObject_Str(s); +#endif + Py_INCREF(s); + return s; +} + + +static PyMethodDef module_methods[] = { + {"escape", (PyCFunction)escape, METH_O, + "escape(s) -> markup\n\n" + "Convert the characters &, <, >, ', and \" in string s to HTML-safe\n" + "sequences. Use this if you need to display text that might contain\n" + "such characters in HTML. Marks return value as markup string."}, + {"escape_silent", (PyCFunction)escape_silent, METH_O, + "escape_silent(s) -> markup\n\n" + "Like escape but converts None to an empty string."}, + {"soft_unicode", (PyCFunction)soft_unicode, METH_O, + "soft_unicode(object) -> string\n\n" + "Make a string unicode if it isn't already. That way a markup\n" + "string is not converted back to unicode."}, + {NULL, NULL, 0, NULL} /* Sentinel */ +}; + + +#if PY_MAJOR_VERSION < 3 + +#ifndef PyMODINIT_FUNC /* declarations for DLL import/export */ +#define PyMODINIT_FUNC void +#endif +PyMODINIT_FUNC +init_speedups(void) +{ + if (!init_constants()) + return; + + Py_InitModule3("markupsafe._speedups", module_methods, ""); +} + +#else /* Python 3.x module initialization */ + +static struct PyModuleDef module_definition = { + PyModuleDef_HEAD_INIT, + "markupsafe._speedups", + NULL, + -1, + module_methods, + NULL, + NULL, + NULL, + NULL +}; + +PyMODINIT_FUNC +PyInit__speedups(void) +{ + if (!init_constants()) + return NULL; + + return PyModule_Create(&module_definition); +} + +#endif diff --git a/pyload/lib/markupsafe/tests.py b/pyload/lib/markupsafe/tests.py new file mode 100644 index 000000000..636993629 --- /dev/null +++ b/pyload/lib/markupsafe/tests.py @@ -0,0 +1,179 @@ +# -*- coding: utf-8 -*- +import gc +import sys +import unittest +from markupsafe import Markup, escape, escape_silent +from markupsafe._compat import text_type + + +class MarkupTestCase(unittest.TestCase): + + def test_adding(self): + # adding two strings should escape the unsafe one + unsafe = '<script type="application/x-some-script">alert("foo");</script>' + safe = Markup('<em>username</em>') + assert unsafe + safe == text_type(escape(unsafe)) + text_type(safe) + + def test_string_interpolation(self): + # string interpolations are safe to use too + assert Markup('<em>%s</em>') % '<bad user>' == \ + '<em><bad user></em>' + assert Markup('<em>%(username)s</em>') % { + 'username': '<bad user>' + } == '<em><bad user></em>' + + assert Markup('%i') % 3.14 == '3' + assert Markup('%.2f') % 3.14 == '3.14' + + def test_type_behavior(self): + # an escaped object is markup too + assert type(Markup('foo') + 'bar') is Markup + + # and it implements __html__ by returning itself + x = Markup("foo") + assert x.__html__() is x + + def test_html_interop(self): + # it also knows how to treat __html__ objects + class Foo(object): + def __html__(self): + return '<em>awesome</em>' + def __unicode__(self): + return 'awesome' + __str__ = __unicode__ + assert Markup(Foo()) == '<em>awesome</em>' + assert Markup('<strong>%s</strong>') % Foo() == \ + '<strong><em>awesome</em></strong>' + + def test_tuple_interpol(self): + self.assertEqual(Markup('<em>%s:%s</em>') % ( + '<foo>', + '<bar>', + ), Markup(u'<em><foo>:<bar></em>')) + + def test_dict_interpol(self): + self.assertEqual(Markup('<em>%(foo)s</em>') % { + 'foo': '<foo>', + }, Markup(u'<em><foo></em>')) + self.assertEqual(Markup('<em>%(foo)s:%(bar)s</em>') % { + 'foo': '<foo>', + 'bar': '<bar>', + }, Markup(u'<em><foo>:<bar></em>')) + + def test_escaping(self): + # escaping and unescaping + assert escape('"<>&\'') == '"<>&'' + assert Markup("<em>Foo & Bar</em>").striptags() == "Foo & Bar" + assert Markup("<test>").unescape() == "<test>" + + def test_formatting(self): + for actual, expected in ( + (Markup('%i') % 3.14, '3'), + (Markup('%.2f') % 3.14159, '3.14'), + (Markup('%s %s %s') % ('<', 123, '>'), '< 123 >'), + (Markup('<em>{awesome}</em>').format(awesome='<awesome>'), + '<em><awesome></em>'), + (Markup('{0[1][bar]}').format([0, {'bar': '<bar/>'}]), + '<bar/>'), + (Markup('{0[1][bar]}').format([0, {'bar': Markup('<bar/>')}]), + '<bar/>')): + assert actual == expected, "%r should be %r!" % (actual, expected) + + # This is new in 2.7 + if sys.version_info >= (2, 7): + def test_formatting_empty(self): + formatted = Markup('{}').format(0) + assert formatted == Markup('0') + + def test_custom_formatting(self): + class HasHTMLOnly(object): + def __html__(self): + return Markup('<foo>') + + class HasHTMLAndFormat(object): + def __html__(self): + return Markup('<foo>') + def __html_format__(self, spec): + return Markup('<FORMAT>') + + assert Markup('{0}').format(HasHTMLOnly()) == Markup('<foo>') + assert Markup('{0}').format(HasHTMLAndFormat()) == Markup('<FORMAT>') + + def test_complex_custom_formatting(self): + class User(object): + def __init__(self, id, username): + self.id = id + self.username = username + def __html_format__(self, format_spec): + if format_spec == 'link': + return Markup('<a href="/user/{0}">{1}</a>').format( + self.id, + self.__html__(), + ) + elif format_spec: + raise ValueError('Invalid format spec') + return self.__html__() + def __html__(self): + return Markup('<span class=user>{0}</span>').format(self.username) + + user = User(1, 'foo') + assert Markup('<p>User: {0:link}').format(user) == \ + Markup('<p>User: <a href="/user/1"><span class=user>foo</span></a>') + + def test_all_set(self): + import markupsafe as markup + for item in markup.__all__: + getattr(markup, item) + + def test_escape_silent(self): + assert escape_silent(None) == Markup() + assert escape(None) == Markup(None) + assert escape_silent('<foo>') == Markup(u'<foo>') + + def test_splitting(self): + self.assertEqual(Markup('a b').split(), [ + Markup('a'), + Markup('b') + ]) + self.assertEqual(Markup('a b').rsplit(), [ + Markup('a'), + Markup('b') + ]) + self.assertEqual(Markup('a\nb').splitlines(), [ + Markup('a'), + Markup('b') + ]) + + def test_mul(self): + self.assertEqual(Markup('a') * 3, Markup('aaa')) + + +class MarkupLeakTestCase(unittest.TestCase): + + def test_markup_leaks(self): + counts = set() + for count in range(20): + for item in range(1000): + escape("foo") + escape("<foo>") + escape(u"foo") + escape(u"<foo>") + counts.add(len(gc.get_objects())) + assert len(counts) == 1, 'ouch, c extension seems to leak objects' + + +def suite(): + suite = unittest.TestSuite() + suite.addTest(unittest.makeSuite(MarkupTestCase)) + + # this test only tests the c extension + if not hasattr(escape, 'func_code'): + suite.addTest(unittest.makeSuite(MarkupLeakTestCase)) + + return suite + + +if __name__ == '__main__': + unittest.main(defaultTest='suite') + +# vim:sts=4:sw=4:et: diff --git a/pyload/lib/rename_process.py b/pyload/lib/rename_process.py new file mode 100644 index 000000000..2527cef39 --- /dev/null +++ b/pyload/lib/rename_process.py @@ -0,0 +1,14 @@ +import sys + +def renameProcess(new_name): + """ Renames the process calling the function to the given name. """ + if sys.platform != 'linux2': + return False + try: + from ctypes import CDLL + libc = CDLL('libc.so.6') + libc.prctl(15, new_name, 0, 0, 0) + return True + except Exception, e: + #print "Rename process failed", e + return False diff --git a/pyload/lib/simplejson/__init__.py b/pyload/lib/simplejson/__init__.py new file mode 100644 index 000000000..a5c01379a --- /dev/null +++ b/pyload/lib/simplejson/__init__.py @@ -0,0 +1,560 @@ +r"""JSON (JavaScript Object Notation) <http://json.org> is a subset of +JavaScript syntax (ECMA-262 3rd edition) used as a lightweight data +interchange format. + +:mod:`simplejson` exposes an API familiar to users of the standard library +:mod:`marshal` and :mod:`pickle` modules. It is the externally maintained +version of the :mod:`json` library contained in Python 2.6, but maintains +compatibility with Python 2.4 and Python 2.5 and (currently) has +significant performance advantages, even without using the optional C +extension for speedups. + +Encoding basic Python object hierarchies:: + + >>> import simplejson as json + >>> json.dumps(['foo', {'bar': ('baz', None, 1.0, 2)}]) + '["foo", {"bar": ["baz", null, 1.0, 2]}]' + >>> print(json.dumps("\"foo\bar")) + "\"foo\bar" + >>> print(json.dumps(u'\u1234')) + "\u1234" + >>> print(json.dumps('\\')) + "\\" + >>> print(json.dumps({"c": 0, "b": 0, "a": 0}, sort_keys=True)) + {"a": 0, "b": 0, "c": 0} + >>> from simplejson.compat import StringIO + >>> io = StringIO() + >>> json.dump(['streaming API'], io) + >>> io.getvalue() + '["streaming API"]' + +Compact encoding:: + + >>> import simplejson as json + >>> obj = [1,2,3,{'4': 5, '6': 7}] + >>> json.dumps(obj, separators=(',',':'), sort_keys=True) + '[1,2,3,{"4":5,"6":7}]' + +Pretty printing:: + + >>> import simplejson as json + >>> print(json.dumps({'4': 5, '6': 7}, sort_keys=True, indent=' ')) + { + "4": 5, + "6": 7 + } + +Decoding JSON:: + + >>> import simplejson as json + >>> obj = [u'foo', {u'bar': [u'baz', None, 1.0, 2]}] + >>> json.loads('["foo", {"bar":["baz", null, 1.0, 2]}]') == obj + True + >>> json.loads('"\\"foo\\bar"') == u'"foo\x08ar' + True + >>> from simplejson.compat import StringIO + >>> io = StringIO('["streaming API"]') + >>> json.load(io)[0] == 'streaming API' + True + +Specializing JSON object decoding:: + + >>> import simplejson as json + >>> def as_complex(dct): + ... if '__complex__' in dct: + ... return complex(dct['real'], dct['imag']) + ... return dct + ... + >>> json.loads('{"__complex__": true, "real": 1, "imag": 2}', + ... object_hook=as_complex) + (1+2j) + >>> from decimal import Decimal + >>> json.loads('1.1', parse_float=Decimal) == Decimal('1.1') + True + +Specializing JSON object encoding:: + + >>> import simplejson as json + >>> def encode_complex(obj): + ... if isinstance(obj, complex): + ... return [obj.real, obj.imag] + ... raise TypeError(repr(o) + " is not JSON serializable") + ... + >>> json.dumps(2 + 1j, default=encode_complex) + '[2.0, 1.0]' + >>> json.JSONEncoder(default=encode_complex).encode(2 + 1j) + '[2.0, 1.0]' + >>> ''.join(json.JSONEncoder(default=encode_complex).iterencode(2 + 1j)) + '[2.0, 1.0]' + + +Using simplejson.tool from the shell to validate and pretty-print:: + + $ echo '{"json":"obj"}' | python -m simplejson.tool + { + "json": "obj" + } + $ echo '{ 1.2:3.4}' | python -m simplejson.tool + Expecting property name: line 1 column 3 (char 2) +""" +from __future__ import absolute_import +__version__ = '3.5.3' +__all__ = [ + 'dump', 'dumps', 'load', 'loads', + 'JSONDecoder', 'JSONDecodeError', 'JSONEncoder', + 'OrderedDict', 'simple_first', +] + +__author__ = 'Bob Ippolito <bob@redivi.com>' + +from decimal import Decimal + +from .scanner import JSONDecodeError +from .decoder import JSONDecoder +from .encoder import JSONEncoder, JSONEncoderForHTML +def _import_OrderedDict(): + import collections + try: + return collections.OrderedDict + except AttributeError: + from . import ordered_dict + return ordered_dict.OrderedDict +OrderedDict = _import_OrderedDict() + +def _import_c_make_encoder(): + try: + from ._speedups import make_encoder + return make_encoder + except ImportError: + return None + +_default_encoder = JSONEncoder( + skipkeys=False, + ensure_ascii=True, + check_circular=True, + allow_nan=True, + indent=None, + separators=None, + encoding='utf-8', + default=None, + use_decimal=True, + namedtuple_as_object=True, + tuple_as_array=True, + bigint_as_string=False, + item_sort_key=None, + for_json=False, + ignore_nan=False, + int_as_string_bitcount=None, +) + +def dump(obj, fp, skipkeys=False, ensure_ascii=True, check_circular=True, + allow_nan=True, cls=None, indent=None, separators=None, + encoding='utf-8', default=None, use_decimal=True, + namedtuple_as_object=True, tuple_as_array=True, + bigint_as_string=False, sort_keys=False, item_sort_key=None, + for_json=False, ignore_nan=False, int_as_string_bitcount=None, **kw): + """Serialize ``obj`` as a JSON formatted stream to ``fp`` (a + ``.write()``-supporting file-like object). + + If *skipkeys* is true then ``dict`` keys that are not basic types + (``str``, ``unicode``, ``int``, ``long``, ``float``, ``bool``, ``None``) + will be skipped instead of raising a ``TypeError``. + + If *ensure_ascii* is false, then the some chunks written to ``fp`` + may be ``unicode`` instances, subject to normal Python ``str`` to + ``unicode`` coercion rules. Unless ``fp.write()`` explicitly + understands ``unicode`` (as in ``codecs.getwriter()``) this is likely + to cause an error. + + If *check_circular* is false, then the circular reference check + for container types will be skipped and a circular reference will + result in an ``OverflowError`` (or worse). + + If *allow_nan* is false, then it will be a ``ValueError`` to + serialize out of range ``float`` values (``nan``, ``inf``, ``-inf``) + in strict compliance of the original JSON specification, instead of using + the JavaScript equivalents (``NaN``, ``Infinity``, ``-Infinity``). See + *ignore_nan* for ECMA-262 compliant behavior. + + If *indent* is a string, then JSON array elements and object members + will be pretty-printed with a newline followed by that string repeated + for each level of nesting. ``None`` (the default) selects the most compact + representation without any newlines. For backwards compatibility with + versions of simplejson earlier than 2.1.0, an integer is also accepted + and is converted to a string with that many spaces. + + If specified, *separators* should be an + ``(item_separator, key_separator)`` tuple. The default is ``(', ', ': ')`` + if *indent* is ``None`` and ``(',', ': ')`` otherwise. To get the most + compact JSON representation, you should specify ``(',', ':')`` to eliminate + whitespace. + + *encoding* is the character encoding for str instances, default is UTF-8. + + *default(obj)* is a function that should return a serializable version + of obj or raise ``TypeError``. The default simply raises ``TypeError``. + + If *use_decimal* is true (default: ``True``) then decimal.Decimal + will be natively serialized to JSON with full precision. + + If *namedtuple_as_object* is true (default: ``True``), + :class:`tuple` subclasses with ``_asdict()`` methods will be encoded + as JSON objects. + + If *tuple_as_array* is true (default: ``True``), + :class:`tuple` (and subclasses) will be encoded as JSON arrays. + + If *bigint_as_string* is true (default: ``False``), ints 2**53 and higher + or lower than -2**53 will be encoded as strings. This is to avoid the + rounding that happens in Javascript otherwise. Note that this is still a + lossy operation that will not round-trip correctly and should be used + sparingly. + + If *int_as_string_bitcount* is a positive number (n), then int of size + greater than or equal to 2**n or lower than or equal to -2**n will be + encoded as strings. + + If specified, *item_sort_key* is a callable used to sort the items in + each dictionary. This is useful if you want to sort items other than + in alphabetical order by key. This option takes precedence over + *sort_keys*. + + If *sort_keys* is true (default: ``False``), the output of dictionaries + will be sorted by item. + + If *for_json* is true (default: ``False``), objects with a ``for_json()`` + method will use the return value of that method for encoding as JSON + instead of the object. + + If *ignore_nan* is true (default: ``False``), then out of range + :class:`float` values (``nan``, ``inf``, ``-inf``) will be serialized as + ``null`` in compliance with the ECMA-262 specification. If true, this will + override *allow_nan*. + + To use a custom ``JSONEncoder`` subclass (e.g. one that overrides the + ``.default()`` method to serialize additional types), specify it with + the ``cls`` kwarg. NOTE: You should use *default* or *for_json* instead + of subclassing whenever possible. + + """ + # cached encoder + if (not skipkeys and ensure_ascii and + check_circular and allow_nan and + cls is None and indent is None and separators is None and + encoding == 'utf-8' and default is None and use_decimal + and namedtuple_as_object and tuple_as_array + and not bigint_as_string and int_as_string_bitcount is None + and not item_sort_key and not for_json and not ignore_nan and not kw): + iterable = _default_encoder.iterencode(obj) + else: + if cls is None: + cls = JSONEncoder + iterable = cls(skipkeys=skipkeys, ensure_ascii=ensure_ascii, + check_circular=check_circular, allow_nan=allow_nan, indent=indent, + separators=separators, encoding=encoding, + default=default, use_decimal=use_decimal, + namedtuple_as_object=namedtuple_as_object, + tuple_as_array=tuple_as_array, + bigint_as_string=bigint_as_string, + sort_keys=sort_keys, + item_sort_key=item_sort_key, + for_json=for_json, + ignore_nan=ignore_nan, + int_as_string_bitcount=int_as_string_bitcount, + **kw).iterencode(obj) + # could accelerate with writelines in some versions of Python, at + # a debuggability cost + for chunk in iterable: + fp.write(chunk) + + +def dumps(obj, skipkeys=False, ensure_ascii=True, check_circular=True, + allow_nan=True, cls=None, indent=None, separators=None, + encoding='utf-8', default=None, use_decimal=True, + namedtuple_as_object=True, tuple_as_array=True, + bigint_as_string=False, sort_keys=False, item_sort_key=None, + for_json=False, ignore_nan=False, int_as_string_bitcount=None, **kw): + """Serialize ``obj`` to a JSON formatted ``str``. + + If ``skipkeys`` is false then ``dict`` keys that are not basic types + (``str``, ``unicode``, ``int``, ``long``, ``float``, ``bool``, ``None``) + will be skipped instead of raising a ``TypeError``. + + If ``ensure_ascii`` is false, then the return value will be a + ``unicode`` instance subject to normal Python ``str`` to ``unicode`` + coercion rules instead of being escaped to an ASCII ``str``. + + If ``check_circular`` is false, then the circular reference check + for container types will be skipped and a circular reference will + result in an ``OverflowError`` (or worse). + + If ``allow_nan`` is false, then it will be a ``ValueError`` to + serialize out of range ``float`` values (``nan``, ``inf``, ``-inf``) in + strict compliance of the JSON specification, instead of using the + JavaScript equivalents (``NaN``, ``Infinity``, ``-Infinity``). + + If ``indent`` is a string, then JSON array elements and object members + will be pretty-printed with a newline followed by that string repeated + for each level of nesting. ``None`` (the default) selects the most compact + representation without any newlines. For backwards compatibility with + versions of simplejson earlier than 2.1.0, an integer is also accepted + and is converted to a string with that many spaces. + + If specified, ``separators`` should be an + ``(item_separator, key_separator)`` tuple. The default is ``(', ', ': ')`` + if *indent* is ``None`` and ``(',', ': ')`` otherwise. To get the most + compact JSON representation, you should specify ``(',', ':')`` to eliminate + whitespace. + + ``encoding`` is the character encoding for str instances, default is UTF-8. + + ``default(obj)`` is a function that should return a serializable version + of obj or raise TypeError. The default simply raises TypeError. + + If *use_decimal* is true (default: ``True``) then decimal.Decimal + will be natively serialized to JSON with full precision. + + If *namedtuple_as_object* is true (default: ``True``), + :class:`tuple` subclasses with ``_asdict()`` methods will be encoded + as JSON objects. + + If *tuple_as_array* is true (default: ``True``), + :class:`tuple` (and subclasses) will be encoded as JSON arrays. + + If *bigint_as_string* is true (not the default), ints 2**53 and higher + or lower than -2**53 will be encoded as strings. This is to avoid the + rounding that happens in Javascript otherwise. + + If *int_as_string_bitcount* is a positive number (n), then int of size + greater than or equal to 2**n or lower than or equal to -2**n will be + encoded as strings. + + If specified, *item_sort_key* is a callable used to sort the items in + each dictionary. This is useful if you want to sort items other than + in alphabetical order by key. This option takes precendence over + *sort_keys*. + + If *sort_keys* is true (default: ``False``), the output of dictionaries + will be sorted by item. + + If *for_json* is true (default: ``False``), objects with a ``for_json()`` + method will use the return value of that method for encoding as JSON + instead of the object. + + If *ignore_nan* is true (default: ``False``), then out of range + :class:`float` values (``nan``, ``inf``, ``-inf``) will be serialized as + ``null`` in compliance with the ECMA-262 specification. If true, this will + override *allow_nan*. + + To use a custom ``JSONEncoder`` subclass (e.g. one that overrides the + ``.default()`` method to serialize additional types), specify it with + the ``cls`` kwarg. NOTE: You should use *default* instead of subclassing + whenever possible. + + """ + # cached encoder + if ( + not skipkeys and ensure_ascii and + check_circular and allow_nan and + cls is None and indent is None and separators is None and + encoding == 'utf-8' and default is None and use_decimal + and namedtuple_as_object and tuple_as_array + and not bigint_as_string and int_as_string_bitcount is None + and not sort_keys and not item_sort_key and not for_json + and not ignore_nan and not kw + ): + return _default_encoder.encode(obj) + if cls is None: + cls = JSONEncoder + return cls( + skipkeys=skipkeys, ensure_ascii=ensure_ascii, + check_circular=check_circular, allow_nan=allow_nan, indent=indent, + separators=separators, encoding=encoding, default=default, + use_decimal=use_decimal, + namedtuple_as_object=namedtuple_as_object, + tuple_as_array=tuple_as_array, + bigint_as_string=bigint_as_string, + sort_keys=sort_keys, + item_sort_key=item_sort_key, + for_json=for_json, + ignore_nan=ignore_nan, + int_as_string_bitcount=int_as_string_bitcount, + **kw).encode(obj) + + +_default_decoder = JSONDecoder(encoding=None, object_hook=None, + object_pairs_hook=None) + + +def load(fp, encoding=None, cls=None, object_hook=None, parse_float=None, + parse_int=None, parse_constant=None, object_pairs_hook=None, + use_decimal=False, namedtuple_as_object=True, tuple_as_array=True, + **kw): + """Deserialize ``fp`` (a ``.read()``-supporting file-like object containing + a JSON document) to a Python object. + + *encoding* determines the encoding used to interpret any + :class:`str` objects decoded by this instance (``'utf-8'`` by + default). It has no effect when decoding :class:`unicode` objects. + + Note that currently only encodings that are a superset of ASCII work, + strings of other encodings should be passed in as :class:`unicode`. + + *object_hook*, if specified, will be called with the result of every + JSON object decoded and its return value will be used in place of the + given :class:`dict`. This can be used to provide custom + deserializations (e.g. to support JSON-RPC class hinting). + + *object_pairs_hook* is an optional function that will be called with + the result of any object literal decode with an ordered list of pairs. + The return value of *object_pairs_hook* will be used instead of the + :class:`dict`. This feature can be used to implement custom decoders + that rely on the order that the key and value pairs are decoded (for + example, :func:`collections.OrderedDict` will remember the order of + insertion). If *object_hook* is also defined, the *object_pairs_hook* + takes priority. + + *parse_float*, if specified, will be called with the string of every + JSON float to be decoded. By default, this is equivalent to + ``float(num_str)``. This can be used to use another datatype or parser + for JSON floats (e.g. :class:`decimal.Decimal`). + + *parse_int*, if specified, will be called with the string of every + JSON int to be decoded. By default, this is equivalent to + ``int(num_str)``. This can be used to use another datatype or parser + for JSON integers (e.g. :class:`float`). + + *parse_constant*, if specified, will be called with one of the + following strings: ``'-Infinity'``, ``'Infinity'``, ``'NaN'``. This + can be used to raise an exception if invalid JSON numbers are + encountered. + + If *use_decimal* is true (default: ``False``) then it implies + parse_float=decimal.Decimal for parity with ``dump``. + + To use a custom ``JSONDecoder`` subclass, specify it with the ``cls`` + kwarg. NOTE: You should use *object_hook* or *object_pairs_hook* instead + of subclassing whenever possible. + + """ + return loads(fp.read(), + encoding=encoding, cls=cls, object_hook=object_hook, + parse_float=parse_float, parse_int=parse_int, + parse_constant=parse_constant, object_pairs_hook=object_pairs_hook, + use_decimal=use_decimal, **kw) + + +def loads(s, encoding=None, cls=None, object_hook=None, parse_float=None, + parse_int=None, parse_constant=None, object_pairs_hook=None, + use_decimal=False, **kw): + """Deserialize ``s`` (a ``str`` or ``unicode`` instance containing a JSON + document) to a Python object. + + *encoding* determines the encoding used to interpret any + :class:`str` objects decoded by this instance (``'utf-8'`` by + default). It has no effect when decoding :class:`unicode` objects. + + Note that currently only encodings that are a superset of ASCII work, + strings of other encodings should be passed in as :class:`unicode`. + + *object_hook*, if specified, will be called with the result of every + JSON object decoded and its return value will be used in place of the + given :class:`dict`. This can be used to provide custom + deserializations (e.g. to support JSON-RPC class hinting). + + *object_pairs_hook* is an optional function that will be called with + the result of any object literal decode with an ordered list of pairs. + The return value of *object_pairs_hook* will be used instead of the + :class:`dict`. This feature can be used to implement custom decoders + that rely on the order that the key and value pairs are decoded (for + example, :func:`collections.OrderedDict` will remember the order of + insertion). If *object_hook* is also defined, the *object_pairs_hook* + takes priority. + + *parse_float*, if specified, will be called with the string of every + JSON float to be decoded. By default, this is equivalent to + ``float(num_str)``. This can be used to use another datatype or parser + for JSON floats (e.g. :class:`decimal.Decimal`). + + *parse_int*, if specified, will be called with the string of every + JSON int to be decoded. By default, this is equivalent to + ``int(num_str)``. This can be used to use another datatype or parser + for JSON integers (e.g. :class:`float`). + + *parse_constant*, if specified, will be called with one of the + following strings: ``'-Infinity'``, ``'Infinity'``, ``'NaN'``. This + can be used to raise an exception if invalid JSON numbers are + encountered. + + If *use_decimal* is true (default: ``False``) then it implies + parse_float=decimal.Decimal for parity with ``dump``. + + To use a custom ``JSONDecoder`` subclass, specify it with the ``cls`` + kwarg. NOTE: You should use *object_hook* or *object_pairs_hook* instead + of subclassing whenever possible. + + """ + if (cls is None and encoding is None and object_hook is None and + parse_int is None and parse_float is None and + parse_constant is None and object_pairs_hook is None + and not use_decimal and not kw): + return _default_decoder.decode(s) + if cls is None: + cls = JSONDecoder + if object_hook is not None: + kw['object_hook'] = object_hook + if object_pairs_hook is not None: + kw['object_pairs_hook'] = object_pairs_hook + if parse_float is not None: + kw['parse_float'] = parse_float + if parse_int is not None: + kw['parse_int'] = parse_int + if parse_constant is not None: + kw['parse_constant'] = parse_constant + if use_decimal: + if parse_float is not None: + raise TypeError("use_decimal=True implies parse_float=Decimal") + kw['parse_float'] = Decimal + return cls(encoding=encoding, **kw).decode(s) + + +def _toggle_speedups(enabled): + from . import decoder as dec + from . import encoder as enc + from . import scanner as scan + c_make_encoder = _import_c_make_encoder() + if enabled: + dec.scanstring = dec.c_scanstring or dec.py_scanstring + enc.c_make_encoder = c_make_encoder + enc.encode_basestring_ascii = (enc.c_encode_basestring_ascii or + enc.py_encode_basestring_ascii) + scan.make_scanner = scan.c_make_scanner or scan.py_make_scanner + else: + dec.scanstring = dec.py_scanstring + enc.c_make_encoder = None + enc.encode_basestring_ascii = enc.py_encode_basestring_ascii + scan.make_scanner = scan.py_make_scanner + dec.make_scanner = scan.make_scanner + global _default_decoder + _default_decoder = JSONDecoder( + encoding=None, + object_hook=None, + object_pairs_hook=None, + ) + global _default_encoder + _default_encoder = JSONEncoder( + skipkeys=False, + ensure_ascii=True, + check_circular=True, + allow_nan=True, + indent=None, + separators=None, + encoding='utf-8', + default=None, + ) + +def simple_first(kv): + """Helper function to pass to item_sort_key to sort simple + elements to the top, then container elements. + """ + return (isinstance(kv[1], (list, dict, tuple)), kv[0]) diff --git a/pyload/lib/simplejson/compat.py b/pyload/lib/simplejson/compat.py new file mode 100644 index 000000000..a0af4a1cb --- /dev/null +++ b/pyload/lib/simplejson/compat.py @@ -0,0 +1,46 @@ +"""Python 3 compatibility shims +""" +import sys +if sys.version_info[0] < 3: + PY3 = False + def b(s): + return s + def u(s): + return unicode(s, 'unicode_escape') + import cStringIO as StringIO + StringIO = BytesIO = StringIO.StringIO + text_type = unicode + binary_type = str + string_types = (basestring,) + integer_types = (int, long) + unichr = unichr + reload_module = reload + def fromhex(s): + return s.decode('hex') + +else: + PY3 = True + if sys.version_info[:2] >= (3, 4): + from importlib import reload as reload_module + else: + from imp import reload as reload_module + import codecs + def b(s): + return codecs.latin_1_encode(s)[0] + def u(s): + return s + import io + StringIO = io.StringIO + BytesIO = io.BytesIO + text_type = str + binary_type = bytes + string_types = (str,) + integer_types = (int,) + + def unichr(s): + return u(chr(s)) + + def fromhex(s): + return bytes.fromhex(s) + +long_type = integer_types[-1] diff --git a/pyload/lib/simplejson/decoder.py b/pyload/lib/simplejson/decoder.py new file mode 100644 index 000000000..1a6c5d938 --- /dev/null +++ b/pyload/lib/simplejson/decoder.py @@ -0,0 +1,393 @@ +"""Implementation of JSONDecoder +""" +from __future__ import absolute_import +import re +import sys +import struct +from .compat import fromhex, b, u, text_type, binary_type, PY3, unichr +from .scanner import make_scanner, JSONDecodeError + +def _import_c_scanstring(): + try: + from ._speedups import scanstring + return scanstring + except ImportError: + return None +c_scanstring = _import_c_scanstring() + +# NOTE (3.1.0): JSONDecodeError may still be imported from this module for +# compatibility, but it was never in the __all__ +__all__ = ['JSONDecoder'] + +FLAGS = re.VERBOSE | re.MULTILINE | re.DOTALL + +def _floatconstants(): + _BYTES = fromhex('7FF80000000000007FF0000000000000') + # The struct module in Python 2.4 would get frexp() out of range here + # when an endian is specified in the format string. Fixed in Python 2.5+ + if sys.byteorder != 'big': + _BYTES = _BYTES[:8][::-1] + _BYTES[8:][::-1] + nan, inf = struct.unpack('dd', _BYTES) + return nan, inf, -inf + +NaN, PosInf, NegInf = _floatconstants() + +_CONSTANTS = { + '-Infinity': NegInf, + 'Infinity': PosInf, + 'NaN': NaN, +} + +STRINGCHUNK = re.compile(r'(.*?)(["\\\x00-\x1f])', FLAGS) +BACKSLASH = { + '"': u('"'), '\\': u('\u005c'), '/': u('/'), + 'b': u('\b'), 'f': u('\f'), 'n': u('\n'), 'r': u('\r'), 't': u('\t'), +} + +DEFAULT_ENCODING = "utf-8" + +def py_scanstring(s, end, encoding=None, strict=True, + _b=BACKSLASH, _m=STRINGCHUNK.match, _join=u('').join, + _PY3=PY3, _maxunicode=sys.maxunicode): + """Scan the string s for a JSON string. End is the index of the + character in s after the quote that started the JSON string. + Unescapes all valid JSON string escape sequences and raises ValueError + on attempt to decode an invalid string. If strict is False then literal + control characters are allowed in the string. + + Returns a tuple of the decoded string and the index of the character in s + after the end quote.""" + if encoding is None: + encoding = DEFAULT_ENCODING + chunks = [] + _append = chunks.append + begin = end - 1 + while 1: + chunk = _m(s, end) + if chunk is None: + raise JSONDecodeError( + "Unterminated string starting at", s, begin) + end = chunk.end() + content, terminator = chunk.groups() + # Content is contains zero or more unescaped string characters + if content: + if not _PY3 and not isinstance(content, text_type): + content = text_type(content, encoding) + _append(content) + # Terminator is the end of string, a literal control character, + # or a backslash denoting that an escape sequence follows + if terminator == '"': + break + elif terminator != '\\': + if strict: + msg = "Invalid control character %r at" + raise JSONDecodeError(msg, s, end) + else: + _append(terminator) + continue + try: + esc = s[end] + except IndexError: + raise JSONDecodeError( + "Unterminated string starting at", s, begin) + # If not a unicode escape sequence, must be in the lookup table + if esc != 'u': + try: + char = _b[esc] + except KeyError: + msg = "Invalid \\X escape sequence %r" + raise JSONDecodeError(msg, s, end) + end += 1 + else: + # Unicode escape sequence + msg = "Invalid \\uXXXX escape sequence" + esc = s[end + 1:end + 5] + escX = esc[1:2] + if len(esc) != 4 or escX == 'x' or escX == 'X': + raise JSONDecodeError(msg, s, end - 1) + try: + uni = int(esc, 16) + except ValueError: + raise JSONDecodeError(msg, s, end - 1) + end += 5 + # Check for surrogate pair on UCS-4 systems + # Note that this will join high/low surrogate pairs + # but will also pass unpaired surrogates through + if (_maxunicode > 65535 and + uni & 0xfc00 == 0xd800 and + s[end:end + 2] == '\\u'): + esc2 = s[end + 2:end + 6] + escX = esc2[1:2] + if len(esc2) == 4 and not (escX == 'x' or escX == 'X'): + try: + uni2 = int(esc2, 16) + except ValueError: + raise JSONDecodeError(msg, s, end) + if uni2 & 0xfc00 == 0xdc00: + uni = 0x10000 + (((uni - 0xd800) << 10) | + (uni2 - 0xdc00)) + end += 6 + char = unichr(uni) + # Append the unescaped character + _append(char) + return _join(chunks), end + + +# Use speedup if available +scanstring = c_scanstring or py_scanstring + +WHITESPACE = re.compile(r'[ \t\n\r]*', FLAGS) +WHITESPACE_STR = ' \t\n\r' + +def JSONObject(state, encoding, strict, scan_once, object_hook, + object_pairs_hook, memo=None, + _w=WHITESPACE.match, _ws=WHITESPACE_STR): + (s, end) = state + # Backwards compatibility + if memo is None: + memo = {} + memo_get = memo.setdefault + pairs = [] + # Use a slice to prevent IndexError from being raised, the following + # check will raise a more specific ValueError if the string is empty + nextchar = s[end:end + 1] + # Normally we expect nextchar == '"' + if nextchar != '"': + if nextchar in _ws: + end = _w(s, end).end() + nextchar = s[end:end + 1] + # Trivial empty object + if nextchar == '}': + if object_pairs_hook is not None: + result = object_pairs_hook(pairs) + return result, end + 1 + pairs = {} + if object_hook is not None: + pairs = object_hook(pairs) + return pairs, end + 1 + elif nextchar != '"': + raise JSONDecodeError( + "Expecting property name enclosed in double quotes", + s, end) + end += 1 + while True: + key, end = scanstring(s, end, encoding, strict) + key = memo_get(key, key) + + # To skip some function call overhead we optimize the fast paths where + # the JSON key separator is ": " or just ":". + if s[end:end + 1] != ':': + end = _w(s, end).end() + if s[end:end + 1] != ':': + raise JSONDecodeError("Expecting ':' delimiter", s, end) + + end += 1 + + try: + if s[end] in _ws: + end += 1 + if s[end] in _ws: + end = _w(s, end + 1).end() + except IndexError: + pass + + value, end = scan_once(s, end) + pairs.append((key, value)) + + try: + nextchar = s[end] + if nextchar in _ws: + end = _w(s, end + 1).end() + nextchar = s[end] + except IndexError: + nextchar = '' + end += 1 + + if nextchar == '}': + break + elif nextchar != ',': + raise JSONDecodeError("Expecting ',' delimiter or '}'", s, end - 1) + + try: + nextchar = s[end] + if nextchar in _ws: + end += 1 + nextchar = s[end] + if nextchar in _ws: + end = _w(s, end + 1).end() + nextchar = s[end] + except IndexError: + nextchar = '' + + end += 1 + if nextchar != '"': + raise JSONDecodeError( + "Expecting property name enclosed in double quotes", + s, end - 1) + + if object_pairs_hook is not None: + result = object_pairs_hook(pairs) + return result, end + pairs = dict(pairs) + if object_hook is not None: + pairs = object_hook(pairs) + return pairs, end + +def JSONArray(state, scan_once, _w=WHITESPACE.match, _ws=WHITESPACE_STR): + (s, end) = state + values = [] + nextchar = s[end:end + 1] + if nextchar in _ws: + end = _w(s, end + 1).end() + nextchar = s[end:end + 1] + # Look-ahead for trivial empty array + if nextchar == ']': + return values, end + 1 + elif nextchar == '': + raise JSONDecodeError("Expecting value or ']'", s, end) + _append = values.append + while True: + value, end = scan_once(s, end) + _append(value) + nextchar = s[end:end + 1] + if nextchar in _ws: + end = _w(s, end + 1).end() + nextchar = s[end:end + 1] + end += 1 + if nextchar == ']': + break + elif nextchar != ',': + raise JSONDecodeError("Expecting ',' delimiter or ']'", s, end - 1) + + try: + if s[end] in _ws: + end += 1 + if s[end] in _ws: + end = _w(s, end + 1).end() + except IndexError: + pass + + return values, end + +class JSONDecoder(object): + """Simple JSON <http://json.org> decoder + + Performs the following translations in decoding by default: + + +---------------+-------------------+ + | JSON | Python | + +===============+===================+ + | object | dict | + +---------------+-------------------+ + | array | list | + +---------------+-------------------+ + | string | str, unicode | + +---------------+-------------------+ + | number (int) | int, long | + +---------------+-------------------+ + | number (real) | float | + +---------------+-------------------+ + | true | True | + +---------------+-------------------+ + | false | False | + +---------------+-------------------+ + | null | None | + +---------------+-------------------+ + + It also understands ``NaN``, ``Infinity``, and ``-Infinity`` as + their corresponding ``float`` values, which is outside the JSON spec. + + """ + + def __init__(self, encoding=None, object_hook=None, parse_float=None, + parse_int=None, parse_constant=None, strict=True, + object_pairs_hook=None): + """ + *encoding* determines the encoding used to interpret any + :class:`str` objects decoded by this instance (``'utf-8'`` by + default). It has no effect when decoding :class:`unicode` objects. + + Note that currently only encodings that are a superset of ASCII work, + strings of other encodings should be passed in as :class:`unicode`. + + *object_hook*, if specified, will be called with the result of every + JSON object decoded and its return value will be used in place of the + given :class:`dict`. This can be used to provide custom + deserializations (e.g. to support JSON-RPC class hinting). + + *object_pairs_hook* is an optional function that will be called with + the result of any object literal decode with an ordered list of pairs. + The return value of *object_pairs_hook* will be used instead of the + :class:`dict`. This feature can be used to implement custom decoders + that rely on the order that the key and value pairs are decoded (for + example, :func:`collections.OrderedDict` will remember the order of + insertion). If *object_hook* is also defined, the *object_pairs_hook* + takes priority. + + *parse_float*, if specified, will be called with the string of every + JSON float to be decoded. By default, this is equivalent to + ``float(num_str)``. This can be used to use another datatype or parser + for JSON floats (e.g. :class:`decimal.Decimal`). + + *parse_int*, if specified, will be called with the string of every + JSON int to be decoded. By default, this is equivalent to + ``int(num_str)``. This can be used to use another datatype or parser + for JSON integers (e.g. :class:`float`). + + *parse_constant*, if specified, will be called with one of the + following strings: ``'-Infinity'``, ``'Infinity'``, ``'NaN'``. This + can be used to raise an exception if invalid JSON numbers are + encountered. + + *strict* controls the parser's behavior when it encounters an + invalid control character in a string. The default setting of + ``True`` means that unescaped control characters are parse errors, if + ``False`` then control characters will be allowed in strings. + + """ + if encoding is None: + encoding = DEFAULT_ENCODING + self.encoding = encoding + self.object_hook = object_hook + self.object_pairs_hook = object_pairs_hook + self.parse_float = parse_float or float + self.parse_int = parse_int or int + self.parse_constant = parse_constant or _CONSTANTS.__getitem__ + self.strict = strict + self.parse_object = JSONObject + self.parse_array = JSONArray + self.parse_string = scanstring + self.memo = {} + self.scan_once = make_scanner(self) + + def decode(self, s, _w=WHITESPACE.match, _PY3=PY3): + """Return the Python representation of ``s`` (a ``str`` or ``unicode`` + instance containing a JSON document) + + """ + if _PY3 and isinstance(s, binary_type): + s = s.decode(self.encoding) + obj, end = self.raw_decode(s) + end = _w(s, end).end() + if end != len(s): + raise JSONDecodeError("Extra data", s, end, len(s)) + return obj + + def raw_decode(self, s, idx=0, _w=WHITESPACE.match, _PY3=PY3): + """Decode a JSON document from ``s`` (a ``str`` or ``unicode`` + beginning with a JSON document) and return a 2-tuple of the Python + representation and the index in ``s`` where the document ended. + Optionally, ``idx`` can be used to specify an offset in ``s`` where + the JSON document begins. + + This can be used to decode a JSON document from a string that may + have extraneous data at the end. + + """ + if idx < 0: + # Ensure that raw_decode bails on negative indexes, the regex + # would otherwise mask this behavior. #98 + raise JSONDecodeError('Expecting value', s, idx) + if _PY3 and not isinstance(s, text_type): + raise TypeError("Input string must be text, not bytes") + return self.scan_once(s, idx=_w(s, idx).end()) diff --git a/pyload/lib/simplejson/encoder.py b/pyload/lib/simplejson/encoder.py new file mode 100644 index 000000000..db18244ec --- /dev/null +++ b/pyload/lib/simplejson/encoder.py @@ -0,0 +1,648 @@ +"""Implementation of JSONEncoder +""" +from __future__ import absolute_import +import re +from operator import itemgetter +from decimal import Decimal +from .compat import u, unichr, binary_type, string_types, integer_types, PY3 +def _import_speedups(): + try: + from . import _speedups + return _speedups.encode_basestring_ascii, _speedups.make_encoder + except ImportError: + return None, None +c_encode_basestring_ascii, c_make_encoder = _import_speedups() + +from simplejson.decoder import PosInf + +#ESCAPE = re.compile(ur'[\x00-\x1f\\"\b\f\n\r\t\u2028\u2029]') +# This is required because u() will mangle the string and ur'' isn't valid +# python3 syntax +ESCAPE = re.compile(u'[\\x00-\\x1f\\\\"\\b\\f\\n\\r\\t\u2028\u2029]') +ESCAPE_ASCII = re.compile(r'([\\"]|[^\ -~])') +HAS_UTF8 = re.compile(r'[\x80-\xff]') +ESCAPE_DCT = { + '\\': '\\\\', + '"': '\\"', + '\b': '\\b', + '\f': '\\f', + '\n': '\\n', + '\r': '\\r', + '\t': '\\t', +} +for i in range(0x20): + #ESCAPE_DCT.setdefault(chr(i), '\\u{0:04x}'.format(i)) + ESCAPE_DCT.setdefault(chr(i), '\\u%04x' % (i,)) +for i in [0x2028, 0x2029]: + ESCAPE_DCT.setdefault(unichr(i), '\\u%04x' % (i,)) + +FLOAT_REPR = repr + +def encode_basestring(s, _PY3=PY3, _q=u('"')): + """Return a JSON representation of a Python string + + """ + if _PY3: + if isinstance(s, binary_type): + s = s.decode('utf-8') + else: + if isinstance(s, str) and HAS_UTF8.search(s) is not None: + s = s.decode('utf-8') + def replace(match): + return ESCAPE_DCT[match.group(0)] + return _q + ESCAPE.sub(replace, s) + _q + + +def py_encode_basestring_ascii(s, _PY3=PY3): + """Return an ASCII-only JSON representation of a Python string + + """ + if _PY3: + if isinstance(s, binary_type): + s = s.decode('utf-8') + else: + if isinstance(s, str) and HAS_UTF8.search(s) is not None: + s = s.decode('utf-8') + def replace(match): + s = match.group(0) + try: + return ESCAPE_DCT[s] + except KeyError: + n = ord(s) + if n < 0x10000: + #return '\\u{0:04x}'.format(n) + return '\\u%04x' % (n,) + else: + # surrogate pair + n -= 0x10000 + s1 = 0xd800 | ((n >> 10) & 0x3ff) + s2 = 0xdc00 | (n & 0x3ff) + #return '\\u{0:04x}\\u{1:04x}'.format(s1, s2) + return '\\u%04x\\u%04x' % (s1, s2) + return '"' + str(ESCAPE_ASCII.sub(replace, s)) + '"' + + +encode_basestring_ascii = ( + c_encode_basestring_ascii or py_encode_basestring_ascii) + +class JSONEncoder(object): + """Extensible JSON <http://json.org> encoder for Python data structures. + + Supports the following objects and types by default: + + +-------------------+---------------+ + | Python | JSON | + +===================+===============+ + | dict, namedtuple | object | + +-------------------+---------------+ + | list, tuple | array | + +-------------------+---------------+ + | str, unicode | string | + +-------------------+---------------+ + | int, long, float | number | + +-------------------+---------------+ + | True | true | + +-------------------+---------------+ + | False | false | + +-------------------+---------------+ + | None | null | + +-------------------+---------------+ + + To extend this to recognize other objects, subclass and implement a + ``.default()`` method with another method that returns a serializable + object for ``o`` if possible, otherwise it should call the superclass + implementation (to raise ``TypeError``). + + """ + item_separator = ', ' + key_separator = ': ' + + def __init__(self, skipkeys=False, ensure_ascii=True, + check_circular=True, allow_nan=True, sort_keys=False, + indent=None, separators=None, encoding='utf-8', default=None, + use_decimal=True, namedtuple_as_object=True, + tuple_as_array=True, bigint_as_string=False, + item_sort_key=None, for_json=False, ignore_nan=False, + int_as_string_bitcount=None): + """Constructor for JSONEncoder, with sensible defaults. + + If skipkeys is false, then it is a TypeError to attempt + encoding of keys that are not str, int, long, float or None. If + skipkeys is True, such items are simply skipped. + + If ensure_ascii is true, the output is guaranteed to be str + objects with all incoming unicode characters escaped. If + ensure_ascii is false, the output will be unicode object. + + If check_circular is true, then lists, dicts, and custom encoded + objects will be checked for circular references during encoding to + prevent an infinite recursion (which would cause an OverflowError). + Otherwise, no such check takes place. + + If allow_nan is true, then NaN, Infinity, and -Infinity will be + encoded as such. This behavior is not JSON specification compliant, + but is consistent with most JavaScript based encoders and decoders. + Otherwise, it will be a ValueError to encode such floats. + + If sort_keys is true, then the output of dictionaries will be + sorted by key; this is useful for regression tests to ensure + that JSON serializations can be compared on a day-to-day basis. + + If indent is a string, then JSON array elements and object members + will be pretty-printed with a newline followed by that string repeated + for each level of nesting. ``None`` (the default) selects the most compact + representation without any newlines. For backwards compatibility with + versions of simplejson earlier than 2.1.0, an integer is also accepted + and is converted to a string with that many spaces. + + If specified, separators should be an (item_separator, key_separator) + tuple. The default is (', ', ': ') if *indent* is ``None`` and + (',', ': ') otherwise. To get the most compact JSON representation, + you should specify (',', ':') to eliminate whitespace. + + If specified, default is a function that gets called for objects + that can't otherwise be serialized. It should return a JSON encodable + version of the object or raise a ``TypeError``. + + If encoding is not None, then all input strings will be + transformed into unicode using that encoding prior to JSON-encoding. + The default is UTF-8. + + If use_decimal is true (not the default), ``decimal.Decimal`` will + be supported directly by the encoder. For the inverse, decode JSON + with ``parse_float=decimal.Decimal``. + + If namedtuple_as_object is true (the default), objects with + ``_asdict()`` methods will be encoded as JSON objects. + + If tuple_as_array is true (the default), tuple (and subclasses) will + be encoded as JSON arrays. + + If bigint_as_string is true (not the default), ints 2**53 and higher + or lower than -2**53 will be encoded as strings. This is to avoid the + rounding that happens in Javascript otherwise. + + If int_as_string_bitcount is a positive number (n), then int of size + greater than or equal to 2**n or lower than or equal to -2**n will be + encoded as strings. + + If specified, item_sort_key is a callable used to sort the items in + each dictionary. This is useful if you want to sort items other than + in alphabetical order by key. + + If for_json is true (not the default), objects with a ``for_json()`` + method will use the return value of that method for encoding as JSON + instead of the object. + + If *ignore_nan* is true (default: ``False``), then out of range + :class:`float` values (``nan``, ``inf``, ``-inf``) will be serialized + as ``null`` in compliance with the ECMA-262 specification. If true, + this will override *allow_nan*. + + """ + + self.skipkeys = skipkeys + self.ensure_ascii = ensure_ascii + self.check_circular = check_circular + self.allow_nan = allow_nan + self.sort_keys = sort_keys + self.use_decimal = use_decimal + self.namedtuple_as_object = namedtuple_as_object + self.tuple_as_array = tuple_as_array + self.bigint_as_string = bigint_as_string + self.item_sort_key = item_sort_key + self.for_json = for_json + self.ignore_nan = ignore_nan + self.int_as_string_bitcount = int_as_string_bitcount + if indent is not None and not isinstance(indent, string_types): + indent = indent * ' ' + self.indent = indent + if separators is not None: + self.item_separator, self.key_separator = separators + elif indent is not None: + self.item_separator = ',' + if default is not None: + self.default = default + self.encoding = encoding + + def default(self, o): + """Implement this method in a subclass such that it returns + a serializable object for ``o``, or calls the base implementation + (to raise a ``TypeError``). + + For example, to support arbitrary iterators, you could + implement default like this:: + + def default(self, o): + try: + iterable = iter(o) + except TypeError: + pass + else: + return list(iterable) + return JSONEncoder.default(self, o) + + """ + raise TypeError(repr(o) + " is not JSON serializable") + + def encode(self, o): + """Return a JSON string representation of a Python data structure. + + >>> from simplejson import JSONEncoder + >>> JSONEncoder().encode({"foo": ["bar", "baz"]}) + '{"foo": ["bar", "baz"]}' + + """ + # This is for extremely simple cases and benchmarks. + if isinstance(o, binary_type): + _encoding = self.encoding + if (_encoding is not None and not (_encoding == 'utf-8')): + o = o.decode(_encoding) + if isinstance(o, string_types): + if self.ensure_ascii: + return encode_basestring_ascii(o) + else: + return encode_basestring(o) + # This doesn't pass the iterator directly to ''.join() because the + # exceptions aren't as detailed. The list call should be roughly + # equivalent to the PySequence_Fast that ''.join() would do. + chunks = self.iterencode(o, _one_shot=True) + if not isinstance(chunks, (list, tuple)): + chunks = list(chunks) + if self.ensure_ascii: + return ''.join(chunks) + else: + return u''.join(chunks) + + def iterencode(self, o, _one_shot=False): + """Encode the given object and yield each string + representation as available. + + For example:: + + for chunk in JSONEncoder().iterencode(bigobject): + mysocket.write(chunk) + + """ + if self.check_circular: + markers = {} + else: + markers = None + if self.ensure_ascii: + _encoder = encode_basestring_ascii + else: + _encoder = encode_basestring + if self.encoding != 'utf-8': + def _encoder(o, _orig_encoder=_encoder, _encoding=self.encoding): + if isinstance(o, binary_type): + o = o.decode(_encoding) + return _orig_encoder(o) + + def floatstr(o, allow_nan=self.allow_nan, ignore_nan=self.ignore_nan, + _repr=FLOAT_REPR, _inf=PosInf, _neginf=-PosInf): + # Check for specials. Note that this type of test is processor + # and/or platform-specific, so do tests which don't depend on + # the internals. + + if o != o: + text = 'NaN' + elif o == _inf: + text = 'Infinity' + elif o == _neginf: + text = '-Infinity' + else: + return _repr(o) + + if ignore_nan: + text = 'null' + elif not allow_nan: + raise ValueError( + "Out of range float values are not JSON compliant: " + + repr(o)) + + return text + + key_memo = {} + int_as_string_bitcount = ( + 53 if self.bigint_as_string else self.int_as_string_bitcount) + if (_one_shot and c_make_encoder is not None + and self.indent is None): + _iterencode = c_make_encoder( + markers, self.default, _encoder, self.indent, + self.key_separator, self.item_separator, self.sort_keys, + self.skipkeys, self.allow_nan, key_memo, self.use_decimal, + self.namedtuple_as_object, self.tuple_as_array, + int_as_string_bitcount, + self.item_sort_key, self.encoding, self.for_json, + self.ignore_nan, Decimal) + else: + _iterencode = _make_iterencode( + markers, self.default, _encoder, self.indent, floatstr, + self.key_separator, self.item_separator, self.sort_keys, + self.skipkeys, _one_shot, self.use_decimal, + self.namedtuple_as_object, self.tuple_as_array, + int_as_string_bitcount, + self.item_sort_key, self.encoding, self.for_json, + Decimal=Decimal) + try: + return _iterencode(o, 0) + finally: + key_memo.clear() + + +class JSONEncoderForHTML(JSONEncoder): + """An encoder that produces JSON safe to embed in HTML. + + To embed JSON content in, say, a script tag on a web page, the + characters &, < and > should be escaped. They cannot be escaped + with the usual entities (e.g. &) because they are not expanded + within <script> tags. + """ + + def encode(self, o): + # Override JSONEncoder.encode because it has hacks for + # performance that make things more complicated. + chunks = self.iterencode(o, True) + if self.ensure_ascii: + return ''.join(chunks) + else: + return u''.join(chunks) + + def iterencode(self, o, _one_shot=False): + chunks = super(JSONEncoderForHTML, self).iterencode(o, _one_shot) + for chunk in chunks: + chunk = chunk.replace('&', '\\u0026') + chunk = chunk.replace('<', '\\u003c') + chunk = chunk.replace('>', '\\u003e') + yield chunk + + +def _make_iterencode(markers, _default, _encoder, _indent, _floatstr, + _key_separator, _item_separator, _sort_keys, _skipkeys, _one_shot, + _use_decimal, _namedtuple_as_object, _tuple_as_array, + _int_as_string_bitcount, _item_sort_key, + _encoding,_for_json, + ## HACK: hand-optimized bytecode; turn globals into locals + _PY3=PY3, + ValueError=ValueError, + string_types=string_types, + Decimal=Decimal, + dict=dict, + float=float, + id=id, + integer_types=integer_types, + isinstance=isinstance, + list=list, + str=str, + tuple=tuple, + ): + if _item_sort_key and not callable(_item_sort_key): + raise TypeError("item_sort_key must be None or callable") + elif _sort_keys and not _item_sort_key: + _item_sort_key = itemgetter(0) + + if (_int_as_string_bitcount is not None and + (_int_as_string_bitcount <= 0 or + not isinstance(_int_as_string_bitcount, integer_types))): + raise TypeError("int_as_string_bitcount must be a positive integer") + + def _encode_int(value): + skip_quoting = ( + _int_as_string_bitcount is None + or + _int_as_string_bitcount < 1 + ) + if ( + skip_quoting or + (-1 << _int_as_string_bitcount) + < value < + (1 << _int_as_string_bitcount) + ): + return str(value) + return '"' + str(value) + '"' + + def _iterencode_list(lst, _current_indent_level): + if not lst: + yield '[]' + return + if markers is not None: + markerid = id(lst) + if markerid in markers: + raise ValueError("Circular reference detected") + markers[markerid] = lst + buf = '[' + if _indent is not None: + _current_indent_level += 1 + newline_indent = '\n' + (_indent * _current_indent_level) + separator = _item_separator + newline_indent + buf += newline_indent + else: + newline_indent = None + separator = _item_separator + first = True + for value in lst: + if first: + first = False + else: + buf = separator + if (isinstance(value, string_types) or + (_PY3 and isinstance(value, binary_type))): + yield buf + _encoder(value) + elif value is None: + yield buf + 'null' + elif value is True: + yield buf + 'true' + elif value is False: + yield buf + 'false' + elif isinstance(value, integer_types): + yield buf + _encode_int(value) + elif isinstance(value, float): + yield buf + _floatstr(value) + elif _use_decimal and isinstance(value, Decimal): + yield buf + str(value) + else: + yield buf + for_json = _for_json and getattr(value, 'for_json', None) + if for_json and callable(for_json): + chunks = _iterencode(for_json(), _current_indent_level) + elif isinstance(value, list): + chunks = _iterencode_list(value, _current_indent_level) + else: + _asdict = _namedtuple_as_object and getattr(value, '_asdict', None) + if _asdict and callable(_asdict): + chunks = _iterencode_dict(_asdict(), + _current_indent_level) + elif _tuple_as_array and isinstance(value, tuple): + chunks = _iterencode_list(value, _current_indent_level) + elif isinstance(value, dict): + chunks = _iterencode_dict(value, _current_indent_level) + else: + chunks = _iterencode(value, _current_indent_level) + for chunk in chunks: + yield chunk + if newline_indent is not None: + _current_indent_level -= 1 + yield '\n' + (_indent * _current_indent_level) + yield ']' + if markers is not None: + del markers[markerid] + + def _stringify_key(key): + if isinstance(key, string_types): # pragma: no cover + pass + elif isinstance(key, binary_type): + key = key.decode(_encoding) + elif isinstance(key, float): + key = _floatstr(key) + elif key is True: + key = 'true' + elif key is False: + key = 'false' + elif key is None: + key = 'null' + elif isinstance(key, integer_types): + key = str(key) + elif _use_decimal and isinstance(key, Decimal): + key = str(key) + elif _skipkeys: + key = None + else: + raise TypeError("key " + repr(key) + " is not a string") + return key + + def _iterencode_dict(dct, _current_indent_level): + if not dct: + yield '{}' + return + if markers is not None: + markerid = id(dct) + if markerid in markers: + raise ValueError("Circular reference detected") + markers[markerid] = dct + yield '{' + if _indent is not None: + _current_indent_level += 1 + newline_indent = '\n' + (_indent * _current_indent_level) + item_separator = _item_separator + newline_indent + yield newline_indent + else: + newline_indent = None + item_separator = _item_separator + first = True + if _PY3: + iteritems = dct.items() + else: + iteritems = dct.iteritems() + if _item_sort_key: + items = [] + for k, v in dct.items(): + if not isinstance(k, string_types): + k = _stringify_key(k) + if k is None: + continue + items.append((k, v)) + items.sort(key=_item_sort_key) + else: + items = iteritems + for key, value in items: + if not (_item_sort_key or isinstance(key, string_types)): + key = _stringify_key(key) + if key is None: + # _skipkeys must be True + continue + if first: + first = False + else: + yield item_separator + yield _encoder(key) + yield _key_separator + if (isinstance(value, string_types) or + (_PY3 and isinstance(value, binary_type))): + yield _encoder(value) + elif value is None: + yield 'null' + elif value is True: + yield 'true' + elif value is False: + yield 'false' + elif isinstance(value, integer_types): + yield _encode_int(value) + elif isinstance(value, float): + yield _floatstr(value) + elif _use_decimal and isinstance(value, Decimal): + yield str(value) + else: + for_json = _for_json and getattr(value, 'for_json', None) + if for_json and callable(for_json): + chunks = _iterencode(for_json(), _current_indent_level) + elif isinstance(value, list): + chunks = _iterencode_list(value, _current_indent_level) + else: + _asdict = _namedtuple_as_object and getattr(value, '_asdict', None) + if _asdict and callable(_asdict): + chunks = _iterencode_dict(_asdict(), + _current_indent_level) + elif _tuple_as_array and isinstance(value, tuple): + chunks = _iterencode_list(value, _current_indent_level) + elif isinstance(value, dict): + chunks = _iterencode_dict(value, _current_indent_level) + else: + chunks = _iterencode(value, _current_indent_level) + for chunk in chunks: + yield chunk + if newline_indent is not None: + _current_indent_level -= 1 + yield '\n' + (_indent * _current_indent_level) + yield '}' + if markers is not None: + del markers[markerid] + + def _iterencode(o, _current_indent_level): + if (isinstance(o, string_types) or + (_PY3 and isinstance(o, binary_type))): + yield _encoder(o) + elif o is None: + yield 'null' + elif o is True: + yield 'true' + elif o is False: + yield 'false' + elif isinstance(o, integer_types): + yield _encode_int(o) + elif isinstance(o, float): + yield _floatstr(o) + else: + for_json = _for_json and getattr(o, 'for_json', None) + if for_json and callable(for_json): + for chunk in _iterencode(for_json(), _current_indent_level): + yield chunk + elif isinstance(o, list): + for chunk in _iterencode_list(o, _current_indent_level): + yield chunk + else: + _asdict = _namedtuple_as_object and getattr(o, '_asdict', None) + if _asdict and callable(_asdict): + for chunk in _iterencode_dict(_asdict(), + _current_indent_level): + yield chunk + elif (_tuple_as_array and isinstance(o, tuple)): + for chunk in _iterencode_list(o, _current_indent_level): + yield chunk + elif isinstance(o, dict): + for chunk in _iterencode_dict(o, _current_indent_level): + yield chunk + elif _use_decimal and isinstance(o, Decimal): + yield str(o) + else: + if markers is not None: + markerid = id(o) + if markerid in markers: + raise ValueError("Circular reference detected") + markers[markerid] = o + o = _default(o) + for chunk in _iterencode(o, _current_indent_level): + yield chunk + if markers is not None: + del markers[markerid] + + return _iterencode diff --git a/pyload/lib/simplejson/ordered_dict.py b/pyload/lib/simplejson/ordered_dict.py new file mode 100644 index 000000000..87ad88824 --- /dev/null +++ b/pyload/lib/simplejson/ordered_dict.py @@ -0,0 +1,119 @@ +"""Drop-in replacement for collections.OrderedDict by Raymond Hettinger + +http://code.activestate.com/recipes/576693/ + +""" +from UserDict import DictMixin + +# Modified from original to support Python 2.4, see +# http://code.google.com/p/simplejson/issues/detail?id=53 +try: + all +except NameError: + def all(seq): + for elem in seq: + if not elem: + return False + return True + +class OrderedDict(dict, DictMixin): + + def __init__(self, *args, **kwds): + if len(args) > 1: + raise TypeError('expected at most 1 arguments, got %d' % len(args)) + try: + self.__end + except AttributeError: + self.clear() + self.update(*args, **kwds) + + def clear(self): + self.__end = end = [] + end += [None, end, end] # sentinel node for doubly linked list + self.__map = {} # key --> [key, prev, next] + dict.clear(self) + + def __setitem__(self, key, value): + if key not in self: + end = self.__end + curr = end[1] + curr[2] = end[1] = self.__map[key] = [key, curr, end] + dict.__setitem__(self, key, value) + + def __delitem__(self, key): + dict.__delitem__(self, key) + key, prev, next = self.__map.pop(key) + prev[2] = next + next[1] = prev + + def __iter__(self): + end = self.__end + curr = end[2] + while curr is not end: + yield curr[0] + curr = curr[2] + + def __reversed__(self): + end = self.__end + curr = end[1] + while curr is not end: + yield curr[0] + curr = curr[1] + + def popitem(self, last=True): + if not self: + raise KeyError('dictionary is empty') + # Modified from original to support Python 2.4, see + # http://code.google.com/p/simplejson/issues/detail?id=53 + if last: + key = reversed(self).next() + else: + key = iter(self).next() + value = self.pop(key) + return key, value + + def __reduce__(self): + items = [[k, self[k]] for k in self] + tmp = self.__map, self.__end + del self.__map, self.__end + inst_dict = vars(self).copy() + self.__map, self.__end = tmp + if inst_dict: + return (self.__class__, (items,), inst_dict) + return self.__class__, (items,) + + def keys(self): + return list(self) + + setdefault = DictMixin.setdefault + update = DictMixin.update + pop = DictMixin.pop + values = DictMixin.values + items = DictMixin.items + iterkeys = DictMixin.iterkeys + itervalues = DictMixin.itervalues + iteritems = DictMixin.iteritems + + def __repr__(self): + if not self: + return '%s()' % (self.__class__.__name__,) + return '%s(%r)' % (self.__class__.__name__, self.items()) + + def copy(self): + return self.__class__(self) + + @classmethod + def fromkeys(cls, iterable, value=None): + d = cls() + for key in iterable: + d[key] = value + return d + + def __eq__(self, other): + if isinstance(other, OrderedDict): + return len(self)==len(other) and \ + all(p==q for p, q in zip(self.items(), other.items())) + return dict.__eq__(self, other) + + def __ne__(self, other): + return not self == other diff --git a/pyload/lib/simplejson/scanner.py b/pyload/lib/simplejson/scanner.py new file mode 100644 index 000000000..5abed357b --- /dev/null +++ b/pyload/lib/simplejson/scanner.py @@ -0,0 +1,133 @@ +"""JSON token scanner +""" +import re +def _import_c_make_scanner(): + try: + from simplejson._speedups import make_scanner + return make_scanner + except ImportError: + return None +c_make_scanner = _import_c_make_scanner() + +__all__ = ['make_scanner', 'JSONDecodeError'] + +NUMBER_RE = re.compile( + r'(-?(?:0|[1-9]\d*))(\.\d+)?([eE][-+]?\d+)?', + (re.VERBOSE | re.MULTILINE | re.DOTALL)) + +class JSONDecodeError(ValueError): + """Subclass of ValueError with the following additional properties: + + msg: The unformatted error message + doc: The JSON document being parsed + pos: The start index of doc where parsing failed + end: The end index of doc where parsing failed (may be None) + lineno: The line corresponding to pos + colno: The column corresponding to pos + endlineno: The line corresponding to end (may be None) + endcolno: The column corresponding to end (may be None) + + """ + # Note that this exception is used from _speedups + def __init__(self, msg, doc, pos, end=None): + ValueError.__init__(self, errmsg(msg, doc, pos, end=end)) + self.msg = msg + self.doc = doc + self.pos = pos + self.end = end + self.lineno, self.colno = linecol(doc, pos) + if end is not None: + self.endlineno, self.endcolno = linecol(doc, end) + else: + self.endlineno, self.endcolno = None, None + + def __reduce__(self): + return self.__class__, (self.msg, self.doc, self.pos, self.end) + + +def linecol(doc, pos): + lineno = doc.count('\n', 0, pos) + 1 + if lineno == 1: + colno = pos + 1 + else: + colno = pos - doc.rindex('\n', 0, pos) + return lineno, colno + + +def errmsg(msg, doc, pos, end=None): + lineno, colno = linecol(doc, pos) + msg = msg.replace('%r', repr(doc[pos:pos + 1])) + if end is None: + fmt = '%s: line %d column %d (char %d)' + return fmt % (msg, lineno, colno, pos) + endlineno, endcolno = linecol(doc, end) + fmt = '%s: line %d column %d - line %d column %d (char %d - %d)' + return fmt % (msg, lineno, colno, endlineno, endcolno, pos, end) + + +def py_make_scanner(context): + parse_object = context.parse_object + parse_array = context.parse_array + parse_string = context.parse_string + match_number = NUMBER_RE.match + encoding = context.encoding + strict = context.strict + parse_float = context.parse_float + parse_int = context.parse_int + parse_constant = context.parse_constant + object_hook = context.object_hook + object_pairs_hook = context.object_pairs_hook + memo = context.memo + + def _scan_once(string, idx): + errmsg = 'Expecting value' + try: + nextchar = string[idx] + except IndexError: + raise JSONDecodeError(errmsg, string, idx) + + if nextchar == '"': + return parse_string(string, idx + 1, encoding, strict) + elif nextchar == '{': + return parse_object((string, idx + 1), encoding, strict, + _scan_once, object_hook, object_pairs_hook, memo) + elif nextchar == '[': + return parse_array((string, idx + 1), _scan_once) + elif nextchar == 'n' and string[idx:idx + 4] == 'null': + return None, idx + 4 + elif nextchar == 't' and string[idx:idx + 4] == 'true': + return True, idx + 4 + elif nextchar == 'f' and string[idx:idx + 5] == 'false': + return False, idx + 5 + + m = match_number(string, idx) + if m is not None: + integer, frac, exp = m.groups() + if frac or exp: + res = parse_float(integer + (frac or '') + (exp or '')) + else: + res = parse_int(integer) + return res, m.end() + elif nextchar == 'N' and string[idx:idx + 3] == 'NaN': + return parse_constant('NaN'), idx + 3 + elif nextchar == 'I' and string[idx:idx + 8] == 'Infinity': + return parse_constant('Infinity'), idx + 8 + elif nextchar == '-' and string[idx:idx + 9] == '-Infinity': + return parse_constant('-Infinity'), idx + 9 + else: + raise JSONDecodeError(errmsg, string, idx) + + def scan_once(string, idx): + if idx < 0: + # Ensure the same behavior as the C speedup, otherwise + # this would work for *some* negative string indices due + # to the behavior of __getitem__ for strings. #98 + raise JSONDecodeError('Expecting value', string, idx) + try: + return _scan_once(string, idx) + finally: + memo.clear() + + return scan_once + +make_scanner = c_make_scanner or py_make_scanner diff --git a/pyload/lib/simplejson/tool.py b/pyload/lib/simplejson/tool.py new file mode 100644 index 000000000..062e8e2c1 --- /dev/null +++ b/pyload/lib/simplejson/tool.py @@ -0,0 +1,42 @@ +r"""Command-line tool to validate and pretty-print JSON + +Usage:: + + $ echo '{"json":"obj"}' | python -m simplejson.tool + { + "json": "obj" + } + $ echo '{ 1.2:3.4}' | python -m simplejson.tool + Expecting property name: line 1 column 2 (char 2) + +""" +from __future__ import with_statement +import sys +import simplejson as json + +def main(): + if len(sys.argv) == 1: + infile = sys.stdin + outfile = sys.stdout + elif len(sys.argv) == 2: + infile = open(sys.argv[1], 'r') + outfile = sys.stdout + elif len(sys.argv) == 3: + infile = open(sys.argv[1], 'r') + outfile = open(sys.argv[2], 'w') + else: + raise SystemExit(sys.argv[0] + " [infile [outfile]]") + with infile: + try: + obj = json.load(infile, + object_pairs_hook=json.OrderedDict, + use_decimal=True) + except ValueError: + raise SystemExit(sys.exc_info()[1]) + with outfile: + json.dump(obj, outfile, sort_keys=True, indent=' ', use_decimal=True) + outfile.write('\n') + + +if __name__ == '__main__': + main() diff --git a/pyload/lib/thrift/TSCons.py b/pyload/lib/thrift/TSCons.py new file mode 100644 index 000000000..da8d2833b --- /dev/null +++ b/pyload/lib/thrift/TSCons.py @@ -0,0 +1,35 @@ +# +# Licensed to the Apache Software Foundation (ASF) under one +# or more contributor license agreements. See the NOTICE file +# distributed with this work for additional information +# regarding copyright ownership. The ASF licenses this file +# to you under the Apache License, Version 2.0 (the +# "License"); you may not use this file except in compliance +# with the License. You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, +# software distributed under the License is distributed on an +# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY +# KIND, either express or implied. See the License for the +# specific language governing permissions and limitations +# under the License. +# + +from os import path +from SCons.Builder import Builder + + +def scons_env(env, add=''): + opath = path.dirname(path.abspath('$TARGET')) + lstr = 'thrift --gen cpp -o ' + opath + ' ' + add + ' $SOURCE' + cppbuild = Builder(action=lstr) + env.Append(BUILDERS={'ThriftCpp': cppbuild}) + + +def gen_cpp(env, dir, file): + scons_env(env) + suffixes = ['_types.h', '_types.cpp'] + targets = map(lambda s: 'gen-cpp/' + file + s, suffixes) + return env.ThriftCpp(targets, dir + file + '.thrift') diff --git a/pyload/lib/thrift/TSerialization.py b/pyload/lib/thrift/TSerialization.py new file mode 100644 index 000000000..8a58d89df --- /dev/null +++ b/pyload/lib/thrift/TSerialization.py @@ -0,0 +1,38 @@ +# +# Licensed to the Apache Software Foundation (ASF) under one +# or more contributor license agreements. See the NOTICE file +# distributed with this work for additional information +# regarding copyright ownership. The ASF licenses this file +# to you under the Apache License, Version 2.0 (the +# "License"); you may not use this file except in compliance +# with the License. You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, +# software distributed under the License is distributed on an +# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY +# KIND, either express or implied. See the License for the +# specific language governing permissions and limitations +# under the License. +# + +from protocol import TBinaryProtocol +from transport import TTransport + + +def serialize(thrift_object, + protocol_factory=TBinaryProtocol.TBinaryProtocolFactory()): + transport = TTransport.TMemoryBuffer() + protocol = protocol_factory.getProtocol(transport) + thrift_object.write(protocol) + return transport.getvalue() + + +def deserialize(base, + buf, + protocol_factory=TBinaryProtocol.TBinaryProtocolFactory()): + transport = TTransport.TMemoryBuffer(buf) + protocol = protocol_factory.getProtocol(transport) + base.read(protocol) + return base diff --git a/pyload/lib/thrift/TTornado.py b/pyload/lib/thrift/TTornado.py new file mode 100644 index 000000000..af309c3d9 --- /dev/null +++ b/pyload/lib/thrift/TTornado.py @@ -0,0 +1,153 @@ +# +# Licensed to the Apache Software Foundation (ASF) under one +# or more contributor license agreements. See the NOTICE file +# distributed with this work for additional information +# regarding copyright ownership. The ASF licenses this file +# to you under the Apache License, Version 2.0 (the +# "License"); you may not use this file except in compliance +# with the License. You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, +# software distributed under the License is distributed on an +# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY +# KIND, either express or implied. See the License for the +# specific language governing permissions and limitations +# under the License. +# + +from cStringIO import StringIO +import logging +import socket +import struct + +from thrift.transport import TTransport +from thrift.transport.TTransport import TTransportException + +from tornado import gen +from tornado import iostream +from tornado import netutil + + +class TTornadoStreamTransport(TTransport.TTransportBase): + """a framed, buffered transport over a Tornado stream""" + def __init__(self, host, port, stream=None): + self.host = host + self.port = port + self.is_queuing_reads = False + self.read_queue = [] + self.__wbuf = StringIO() + + # servers provide a ready-to-go stream + self.stream = stream + if self.stream is not None: + self._set_close_callback() + + # not the same number of parameters as TTransportBase.open + def open(self, callback): + logging.debug('socket connecting') + sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM, 0) + self.stream = iostream.IOStream(sock) + + def on_close_in_connect(*_): + message = 'could not connect to {}:{}'.format(self.host, self.port) + raise TTransportException( + type=TTransportException.NOT_OPEN, + message=message) + self.stream.set_close_callback(on_close_in_connect) + + def finish(*_): + self._set_close_callback() + callback() + + self.stream.connect((self.host, self.port), callback=finish) + + def _set_close_callback(self): + def on_close(): + raise TTransportException( + type=TTransportException.END_OF_FILE, + message='socket closed') + self.stream.set_close_callback(self.close) + + def close(self): + # don't raise if we intend to close + self.stream.set_close_callback(None) + self.stream.close() + + def read(self, _): + # The generated code for Tornado shouldn't do individual reads -- only + # frames at a time + assert "you're doing it wrong" is True + + @gen.engine + def readFrame(self, callback): + self.read_queue.append(callback) + logging.debug('read queue: %s', self.read_queue) + + if self.is_queuing_reads: + # If a read is already in flight, then the while loop below should + # pull it from self.read_queue + return + + self.is_queuing_reads = True + while self.read_queue: + next_callback = self.read_queue.pop() + result = yield gen.Task(self._readFrameFromStream) + next_callback(result) + self.is_queuing_reads = False + + @gen.engine + def _readFrameFromStream(self, callback): + logging.debug('_readFrameFromStream') + frame_header = yield gen.Task(self.stream.read_bytes, 4) + frame_length, = struct.unpack('!i', frame_header) + logging.debug('received frame header, frame length = %i', frame_length) + frame = yield gen.Task(self.stream.read_bytes, frame_length) + logging.debug('received frame payload') + callback(frame) + + def write(self, buf): + self.__wbuf.write(buf) + + def flush(self, callback=None): + wout = self.__wbuf.getvalue() + wsz = len(wout) + # reset wbuf before write/flush to preserve state on underlying failure + self.__wbuf = StringIO() + # N.B.: Doing this string concatenation is WAY cheaper than making + # two separate calls to the underlying socket object. Socket writes in + # Python turn out to be REALLY expensive, but it seems to do a pretty + # good job of managing string buffer operations without excessive copies + buf = struct.pack("!i", wsz) + wout + + logging.debug('writing frame length = %i', wsz) + self.stream.write(buf, callback) + + +class TTornadoServer(netutil.TCPServer): + def __init__(self, processor, iprot_factory, oprot_factory=None, + *args, **kwargs): + super(TTornadoServer, self).__init__(*args, **kwargs) + + self._processor = processor + self._iprot_factory = iprot_factory + self._oprot_factory = (oprot_factory if oprot_factory is not None + else iprot_factory) + + def handle_stream(self, stream, address): + try: + host, port = address + trans = TTornadoStreamTransport(host=host, port=port, stream=stream) + oprot = self._oprot_factory.getProtocol(trans) + + def next_pass(): + if not trans.stream.closed(): + self._processor.process(trans, self._iprot_factory, oprot, + callback=next_pass) + + next_pass() + + except Exception: + logging.exception('thrift exception in handle_stream') + trans.close() diff --git a/pyload/lib/thrift/Thrift.py b/pyload/lib/thrift/Thrift.py new file mode 100644 index 000000000..9890af7e1 --- /dev/null +++ b/pyload/lib/thrift/Thrift.py @@ -0,0 +1,170 @@ +# +# Licensed to the Apache Software Foundation (ASF) under one +# or more contributor license agreements. See the NOTICE file +# distributed with this work for additional information +# regarding copyright ownership. The ASF licenses this file +# to you under the Apache License, Version 2.0 (the +# "License"); you may not use this file except in compliance +# with the License. You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, +# software distributed under the License is distributed on an +# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY +# KIND, either express or implied. See the License for the +# specific language governing permissions and limitations +# under the License. +# + +import sys + + +class TType: + STOP = 0 + VOID = 1 + BOOL = 2 + BYTE = 3 + I08 = 3 + DOUBLE = 4 + I16 = 6 + I32 = 8 + I64 = 10 + STRING = 11 + UTF7 = 11 + STRUCT = 12 + MAP = 13 + SET = 14 + LIST = 15 + UTF8 = 16 + UTF16 = 17 + + _VALUES_TO_NAMES = ('STOP', + 'VOID', + 'BOOL', + 'BYTE', + 'DOUBLE', + None, + 'I16', + None, + 'I32', + None, + 'I64', + 'STRING', + 'STRUCT', + 'MAP', + 'SET', + 'LIST', + 'UTF8', + 'UTF16') + + +class TMessageType: + CALL = 1 + REPLY = 2 + EXCEPTION = 3 + ONEWAY = 4 + + +class TProcessor: + """Base class for procsessor, which works on two streams.""" + + def process(iprot, oprot): + pass + + +class TException(Exception): + """Base class for all thrift exceptions.""" + + # BaseException.message is deprecated in Python v[2.6,3.0) + if (2, 6, 0) <= sys.version_info < (3, 0): + def _get_message(self): + return self._message + + def _set_message(self, message): + self._message = message + message = property(_get_message, _set_message) + + def __init__(self, message=None): + Exception.__init__(self, message) + self.message = message + + +class TApplicationException(TException): + """Application level thrift exceptions.""" + + UNKNOWN = 0 + UNKNOWN_METHOD = 1 + INVALID_MESSAGE_TYPE = 2 + WRONG_METHOD_NAME = 3 + BAD_SEQUENCE_ID = 4 + MISSING_RESULT = 5 + INTERNAL_ERROR = 6 + PROTOCOL_ERROR = 7 + INVALID_TRANSFORM = 8 + INVALID_PROTOCOL = 9 + UNSUPPORTED_CLIENT_TYPE = 10 + + def __init__(self, type=UNKNOWN, message=None): + TException.__init__(self, message) + self.type = type + + def __str__(self): + if self.message: + return self.message + elif self.type == self.UNKNOWN_METHOD: + return 'Unknown method' + elif self.type == self.INVALID_MESSAGE_TYPE: + return 'Invalid message type' + elif self.type == self.WRONG_METHOD_NAME: + return 'Wrong method name' + elif self.type == self.BAD_SEQUENCE_ID: + return 'Bad sequence ID' + elif self.type == self.MISSING_RESULT: + return 'Missing result' + elif self.type == self.INTERNAL_ERROR: + return 'Internal error' + elif self.type == self.PROTOCOL_ERROR: + return 'Protocol error' + elif self.type == self.INVALID_TRANSFORM: + return 'Invalid transform' + elif self.type == self.INVALID_PROTOCOL: + return 'Invalid protocol' + elif self.type == self.UNSUPPORTED_CLIENT_TYPE: + return 'Unsupported client type' + else: + return 'Default (unknown) TApplicationException' + + def read(self, iprot): + iprot.readStructBegin() + while True: + (fname, ftype, fid) = iprot.readFieldBegin() + if ftype == TType.STOP: + break + if fid == 1: + if ftype == TType.STRING: + self.message = iprot.readString() + else: + iprot.skip(ftype) + elif fid == 2: + if ftype == TType.I32: + self.type = iprot.readI32() + else: + iprot.skip(ftype) + else: + iprot.skip(ftype) + iprot.readFieldEnd() + iprot.readStructEnd() + + def write(self, oprot): + oprot.writeStructBegin('TApplicationException') + if self.message is not None: + oprot.writeFieldBegin('message', TType.STRING, 1) + oprot.writeString(self.message) + oprot.writeFieldEnd() + if self.type is not None: + oprot.writeFieldBegin('type', TType.I32, 2) + oprot.writeI32(self.type) + oprot.writeFieldEnd() + oprot.writeFieldStop() + oprot.writeStructEnd() diff --git a/pyload/lib/thrift/__init__.py b/pyload/lib/thrift/__init__.py new file mode 100644 index 000000000..48d659c40 --- /dev/null +++ b/pyload/lib/thrift/__init__.py @@ -0,0 +1,20 @@ +# +# Licensed to the Apache Software Foundation (ASF) under one +# or more contributor license agreements. See the NOTICE file +# distributed with this work for additional information +# regarding copyright ownership. The ASF licenses this file +# to you under the Apache License, Version 2.0 (the +# "License"); you may not use this file except in compliance +# with the License. You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, +# software distributed under the License is distributed on an +# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY +# KIND, either express or implied. See the License for the +# specific language governing permissions and limitations +# under the License. +# + +__all__ = ['Thrift', 'TSCons'] diff --git a/pyload/lib/thrift/protocol/TBase.py b/pyload/lib/thrift/protocol/TBase.py new file mode 100644 index 000000000..6cbd5f39a --- /dev/null +++ b/pyload/lib/thrift/protocol/TBase.py @@ -0,0 +1,81 @@ +# +# Licensed to the Apache Software Foundation (ASF) under one +# or more contributor license agreements. See the NOTICE file +# distributed with this work for additional information +# regarding copyright ownership. The ASF licenses this file +# to you under the Apache License, Version 2.0 (the +# "License"); you may not use this file except in compliance +# with the License. You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, +# software distributed under the License is distributed on an +# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY +# KIND, either express or implied. See the License for the +# specific language governing permissions and limitations +# under the License. +# + +from thrift.Thrift import * +from thrift.protocol import TBinaryProtocol +from thrift.transport import TTransport + +try: + from thrift.protocol import fastbinary +except: + fastbinary = None + + +class TBase(object): + __slots__ = [] + + def __repr__(self): + L = ['%s=%r' % (key, getattr(self, key)) + for key in self.__slots__] + return '%s(%s)' % (self.__class__.__name__, ', '.join(L)) + + def __eq__(self, other): + if not isinstance(other, self.__class__): + return False + for attr in self.__slots__: + my_val = getattr(self, attr) + other_val = getattr(other, attr) + if my_val != other_val: + return False + return True + + def __ne__(self, other): + return not (self == other) + + def read(self, iprot): + if (iprot.__class__ == TBinaryProtocol.TBinaryProtocolAccelerated and + isinstance(iprot.trans, TTransport.CReadableTransport) and + self.thrift_spec is not None and + fastbinary is not None): + fastbinary.decode_binary(self, + iprot.trans, + (self.__class__, self.thrift_spec)) + return + iprot.readStruct(self, self.thrift_spec) + + def write(self, oprot): + if (oprot.__class__ == TBinaryProtocol.TBinaryProtocolAccelerated and + self.thrift_spec is not None and + fastbinary is not None): + oprot.trans.write( + fastbinary.encode_binary(self, (self.__class__, self.thrift_spec))) + return + oprot.writeStruct(self, self.thrift_spec) + + +class TExceptionBase(Exception): + # old style class so python2.4 can raise exceptions derived from this + # This can't inherit from TBase because of that limitation. + __slots__ = [] + + __repr__ = TBase.__repr__.im_func + __eq__ = TBase.__eq__.im_func + __ne__ = TBase.__ne__.im_func + read = TBase.read.im_func + write = TBase.write.im_func diff --git a/pyload/lib/thrift/protocol/TBinaryProtocol.py b/pyload/lib/thrift/protocol/TBinaryProtocol.py new file mode 100644 index 000000000..6fdd08c26 --- /dev/null +++ b/pyload/lib/thrift/protocol/TBinaryProtocol.py @@ -0,0 +1,260 @@ +# +# Licensed to the Apache Software Foundation (ASF) under one +# or more contributor license agreements. See the NOTICE file +# distributed with this work for additional information +# regarding copyright ownership. The ASF licenses this file +# to you under the Apache License, Version 2.0 (the +# "License"); you may not use this file except in compliance +# with the License. You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, +# software distributed under the License is distributed on an +# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY +# KIND, either express or implied. See the License for the +# specific language governing permissions and limitations +# under the License. +# + +from TProtocol import * +from struct import pack, unpack + + +class TBinaryProtocol(TProtocolBase): + """Binary implementation of the Thrift protocol driver.""" + + # NastyHaxx. Python 2.4+ on 32-bit machines forces hex constants to be + # positive, converting this into a long. If we hardcode the int value + # instead it'll stay in 32 bit-land. + + # VERSION_MASK = 0xffff0000 + VERSION_MASK = -65536 + + # VERSION_1 = 0x80010000 + VERSION_1 = -2147418112 + + TYPE_MASK = 0x000000ff + + def __init__(self, trans, strictRead=False, strictWrite=True): + TProtocolBase.__init__(self, trans) + self.strictRead = strictRead + self.strictWrite = strictWrite + + def writeMessageBegin(self, name, type, seqid): + if self.strictWrite: + self.writeI32(TBinaryProtocol.VERSION_1 | type) + self.writeString(name) + self.writeI32(seqid) + else: + self.writeString(name) + self.writeByte(type) + self.writeI32(seqid) + + def writeMessageEnd(self): + pass + + def writeStructBegin(self, name): + pass + + def writeStructEnd(self): + pass + + def writeFieldBegin(self, name, type, id): + self.writeByte(type) + self.writeI16(id) + + def writeFieldEnd(self): + pass + + def writeFieldStop(self): + self.writeByte(TType.STOP) + + def writeMapBegin(self, ktype, vtype, size): + self.writeByte(ktype) + self.writeByte(vtype) + self.writeI32(size) + + def writeMapEnd(self): + pass + + def writeListBegin(self, etype, size): + self.writeByte(etype) + self.writeI32(size) + + def writeListEnd(self): + pass + + def writeSetBegin(self, etype, size): + self.writeByte(etype) + self.writeI32(size) + + def writeSetEnd(self): + pass + + def writeBool(self, bool): + if bool: + self.writeByte(1) + else: + self.writeByte(0) + + def writeByte(self, byte): + buff = pack("!b", byte) + self.trans.write(buff) + + def writeI16(self, i16): + buff = pack("!h", i16) + self.trans.write(buff) + + def writeI32(self, i32): + buff = pack("!i", i32) + self.trans.write(buff) + + def writeI64(self, i64): + buff = pack("!q", i64) + self.trans.write(buff) + + def writeDouble(self, dub): + buff = pack("!d", dub) + self.trans.write(buff) + + def writeString(self, str): + self.writeI32(len(str)) + self.trans.write(str) + + def readMessageBegin(self): + sz = self.readI32() + if sz < 0: + version = sz & TBinaryProtocol.VERSION_MASK + if version != TBinaryProtocol.VERSION_1: + raise TProtocolException( + type=TProtocolException.BAD_VERSION, + message='Bad version in readMessageBegin: %d' % (sz)) + type = sz & TBinaryProtocol.TYPE_MASK + name = self.readString() + seqid = self.readI32() + else: + if self.strictRead: + raise TProtocolException(type=TProtocolException.BAD_VERSION, + message='No protocol version header') + name = self.trans.readAll(sz) + type = self.readByte() + seqid = self.readI32() + return (name, type, seqid) + + def readMessageEnd(self): + pass + + def readStructBegin(self): + pass + + def readStructEnd(self): + pass + + def readFieldBegin(self): + type = self.readByte() + if type == TType.STOP: + return (None, type, 0) + id = self.readI16() + return (None, type, id) + + def readFieldEnd(self): + pass + + def readMapBegin(self): + ktype = self.readByte() + vtype = self.readByte() + size = self.readI32() + return (ktype, vtype, size) + + def readMapEnd(self): + pass + + def readListBegin(self): + etype = self.readByte() + size = self.readI32() + return (etype, size) + + def readListEnd(self): + pass + + def readSetBegin(self): + etype = self.readByte() + size = self.readI32() + return (etype, size) + + def readSetEnd(self): + pass + + def readBool(self): + byte = self.readByte() + if byte == 0: + return False + return True + + def readByte(self): + buff = self.trans.readAll(1) + val, = unpack('!b', buff) + return val + + def readI16(self): + buff = self.trans.readAll(2) + val, = unpack('!h', buff) + return val + + def readI32(self): + buff = self.trans.readAll(4) + val, = unpack('!i', buff) + return val + + def readI64(self): + buff = self.trans.readAll(8) + val, = unpack('!q', buff) + return val + + def readDouble(self): + buff = self.trans.readAll(8) + val, = unpack('!d', buff) + return val + + def readString(self): + len = self.readI32() + str = self.trans.readAll(len) + return str + + +class TBinaryProtocolFactory: + def __init__(self, strictRead=False, strictWrite=True): + self.strictRead = strictRead + self.strictWrite = strictWrite + + def getProtocol(self, trans): + prot = TBinaryProtocol(trans, self.strictRead, self.strictWrite) + return prot + + +class TBinaryProtocolAccelerated(TBinaryProtocol): + """C-Accelerated version of TBinaryProtocol. + + This class does not override any of TBinaryProtocol's methods, + but the generated code recognizes it directly and will call into + our C module to do the encoding, bypassing this object entirely. + We inherit from TBinaryProtocol so that the normal TBinaryProtocol + encoding can happen if the fastbinary module doesn't work for some + reason. (TODO(dreiss): Make this happen sanely in more cases.) + + In order to take advantage of the C module, just use + TBinaryProtocolAccelerated instead of TBinaryProtocol. + + NOTE: This code was contributed by an external developer. + The internal Thrift team has reviewed and tested it, + but we cannot guarantee that it is production-ready. + Please feel free to report bugs and/or success stories + to the public mailing list. + """ + pass + + +class TBinaryProtocolAcceleratedFactory: + def getProtocol(self, trans): + return TBinaryProtocolAccelerated(trans) diff --git a/pyload/lib/thrift/protocol/TCompactProtocol.py b/pyload/lib/thrift/protocol/TCompactProtocol.py new file mode 100644 index 000000000..cdec60773 --- /dev/null +++ b/pyload/lib/thrift/protocol/TCompactProtocol.py @@ -0,0 +1,403 @@ +# +# Licensed to the Apache Software Foundation (ASF) under one +# or more contributor license agreements. See the NOTICE file +# distributed with this work for additional information +# regarding copyright ownership. The ASF licenses this file +# to you under the Apache License, Version 2.0 (the +# "License"); you may not use this file except in compliance +# with the License. You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, +# software distributed under the License is distributed on an +# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY +# KIND, either express or implied. See the License for the +# specific language governing permissions and limitations +# under the License. +# + +from TProtocol import * +from struct import pack, unpack + +__all__ = ['TCompactProtocol', 'TCompactProtocolFactory'] + +CLEAR = 0 +FIELD_WRITE = 1 +VALUE_WRITE = 2 +CONTAINER_WRITE = 3 +BOOL_WRITE = 4 +FIELD_READ = 5 +CONTAINER_READ = 6 +VALUE_READ = 7 +BOOL_READ = 8 + + +def make_helper(v_from, container): + def helper(func): + def nested(self, *args, **kwargs): + assert self.state in (v_from, container), (self.state, v_from, container) + return func(self, *args, **kwargs) + return nested + return helper +writer = make_helper(VALUE_WRITE, CONTAINER_WRITE) +reader = make_helper(VALUE_READ, CONTAINER_READ) + + +def makeZigZag(n, bits): + return (n << 1) ^ (n >> (bits - 1)) + + +def fromZigZag(n): + return (n >> 1) ^ -(n & 1) + + +def writeVarint(trans, n): + out = [] + while True: + if n & ~0x7f == 0: + out.append(n) + break + else: + out.append((n & 0xff) | 0x80) + n = n >> 7 + trans.write(''.join(map(chr, out))) + + +def readVarint(trans): + result = 0 + shift = 0 + while True: + x = trans.readAll(1) + byte = ord(x) + result |= (byte & 0x7f) << shift + if byte >> 7 == 0: + return result + shift += 7 + + +class CompactType: + STOP = 0x00 + TRUE = 0x01 + FALSE = 0x02 + BYTE = 0x03 + I16 = 0x04 + I32 = 0x05 + I64 = 0x06 + DOUBLE = 0x07 + BINARY = 0x08 + LIST = 0x09 + SET = 0x0A + MAP = 0x0B + STRUCT = 0x0C + +CTYPES = {TType.STOP: CompactType.STOP, + TType.BOOL: CompactType.TRUE, # used for collection + TType.BYTE: CompactType.BYTE, + TType.I16: CompactType.I16, + TType.I32: CompactType.I32, + TType.I64: CompactType.I64, + TType.DOUBLE: CompactType.DOUBLE, + TType.STRING: CompactType.BINARY, + TType.STRUCT: CompactType.STRUCT, + TType.LIST: CompactType.LIST, + TType.SET: CompactType.SET, + TType.MAP: CompactType.MAP + } + +TTYPES = {} +for k, v in CTYPES.items(): + TTYPES[v] = k +TTYPES[CompactType.FALSE] = TType.BOOL +del k +del v + + +class TCompactProtocol(TProtocolBase): + """Compact implementation of the Thrift protocol driver.""" + + PROTOCOL_ID = 0x82 + VERSION = 1 + VERSION_MASK = 0x1f + TYPE_MASK = 0xe0 + TYPE_SHIFT_AMOUNT = 5 + + def __init__(self, trans): + TProtocolBase.__init__(self, trans) + self.state = CLEAR + self.__last_fid = 0 + self.__bool_fid = None + self.__bool_value = None + self.__structs = [] + self.__containers = [] + + def __writeVarint(self, n): + writeVarint(self.trans, n) + + def writeMessageBegin(self, name, type, seqid): + assert self.state == CLEAR + self.__writeUByte(self.PROTOCOL_ID) + self.__writeUByte(self.VERSION | (type << self.TYPE_SHIFT_AMOUNT)) + self.__writeVarint(seqid) + self.__writeString(name) + self.state = VALUE_WRITE + + def writeMessageEnd(self): + assert self.state == VALUE_WRITE + self.state = CLEAR + + def writeStructBegin(self, name): + assert self.state in (CLEAR, CONTAINER_WRITE, VALUE_WRITE), self.state + self.__structs.append((self.state, self.__last_fid)) + self.state = FIELD_WRITE + self.__last_fid = 0 + + def writeStructEnd(self): + assert self.state == FIELD_WRITE + self.state, self.__last_fid = self.__structs.pop() + + def writeFieldStop(self): + self.__writeByte(0) + + def __writeFieldHeader(self, type, fid): + delta = fid - self.__last_fid + if 0 < delta <= 15: + self.__writeUByte(delta << 4 | type) + else: + self.__writeByte(type) + self.__writeI16(fid) + self.__last_fid = fid + + def writeFieldBegin(self, name, type, fid): + assert self.state == FIELD_WRITE, self.state + if type == TType.BOOL: + self.state = BOOL_WRITE + self.__bool_fid = fid + else: + self.state = VALUE_WRITE + self.__writeFieldHeader(CTYPES[type], fid) + + def writeFieldEnd(self): + assert self.state in (VALUE_WRITE, BOOL_WRITE), self.state + self.state = FIELD_WRITE + + def __writeUByte(self, byte): + self.trans.write(pack('!B', byte)) + + def __writeByte(self, byte): + self.trans.write(pack('!b', byte)) + + def __writeI16(self, i16): + self.__writeVarint(makeZigZag(i16, 16)) + + def __writeSize(self, i32): + self.__writeVarint(i32) + + def writeCollectionBegin(self, etype, size): + assert self.state in (VALUE_WRITE, CONTAINER_WRITE), self.state + if size <= 14: + self.__writeUByte(size << 4 | CTYPES[etype]) + else: + self.__writeUByte(0xf0 | CTYPES[etype]) + self.__writeSize(size) + self.__containers.append(self.state) + self.state = CONTAINER_WRITE + writeSetBegin = writeCollectionBegin + writeListBegin = writeCollectionBegin + + def writeMapBegin(self, ktype, vtype, size): + assert self.state in (VALUE_WRITE, CONTAINER_WRITE), self.state + if size == 0: + self.__writeByte(0) + else: + self.__writeSize(size) + self.__writeUByte(CTYPES[ktype] << 4 | CTYPES[vtype]) + self.__containers.append(self.state) + self.state = CONTAINER_WRITE + + def writeCollectionEnd(self): + assert self.state == CONTAINER_WRITE, self.state + self.state = self.__containers.pop() + writeMapEnd = writeCollectionEnd + writeSetEnd = writeCollectionEnd + writeListEnd = writeCollectionEnd + + def writeBool(self, bool): + if self.state == BOOL_WRITE: + if bool: + ctype = CompactType.TRUE + else: + ctype = CompactType.FALSE + self.__writeFieldHeader(ctype, self.__bool_fid) + elif self.state == CONTAINER_WRITE: + if bool: + self.__writeByte(CompactType.TRUE) + else: + self.__writeByte(CompactType.FALSE) + else: + raise AssertionError("Invalid state in compact protocol") + + writeByte = writer(__writeByte) + writeI16 = writer(__writeI16) + + @writer + def writeI32(self, i32): + self.__writeVarint(makeZigZag(i32, 32)) + + @writer + def writeI64(self, i64): + self.__writeVarint(makeZigZag(i64, 64)) + + @writer + def writeDouble(self, dub): + self.trans.write(pack('!d', dub)) + + def __writeString(self, s): + self.__writeSize(len(s)) + self.trans.write(s) + writeString = writer(__writeString) + + def readFieldBegin(self): + assert self.state == FIELD_READ, self.state + type = self.__readUByte() + if type & 0x0f == TType.STOP: + return (None, 0, 0) + delta = type >> 4 + if delta == 0: + fid = self.__readI16() + else: + fid = self.__last_fid + delta + self.__last_fid = fid + type = type & 0x0f + if type == CompactType.TRUE: + self.state = BOOL_READ + self.__bool_value = True + elif type == CompactType.FALSE: + self.state = BOOL_READ + self.__bool_value = False + else: + self.state = VALUE_READ + return (None, self.__getTType(type), fid) + + def readFieldEnd(self): + assert self.state in (VALUE_READ, BOOL_READ), self.state + self.state = FIELD_READ + + def __readUByte(self): + result, = unpack('!B', self.trans.readAll(1)) + return result + + def __readByte(self): + result, = unpack('!b', self.trans.readAll(1)) + return result + + def __readVarint(self): + return readVarint(self.trans) + + def __readZigZag(self): + return fromZigZag(self.__readVarint()) + + def __readSize(self): + result = self.__readVarint() + if result < 0: + raise TException("Length < 0") + return result + + def readMessageBegin(self): + assert self.state == CLEAR + proto_id = self.__readUByte() + if proto_id != self.PROTOCOL_ID: + raise TProtocolException(TProtocolException.BAD_VERSION, + 'Bad protocol id in the message: %d' % proto_id) + ver_type = self.__readUByte() + type = (ver_type & self.TYPE_MASK) >> self.TYPE_SHIFT_AMOUNT + version = ver_type & self.VERSION_MASK + if version != self.VERSION: + raise TProtocolException(TProtocolException.BAD_VERSION, + 'Bad version: %d (expect %d)' % (version, self.VERSION)) + seqid = self.__readVarint() + name = self.__readString() + return (name, type, seqid) + + def readMessageEnd(self): + assert self.state == CLEAR + assert len(self.__structs) == 0 + + def readStructBegin(self): + assert self.state in (CLEAR, CONTAINER_READ, VALUE_READ), self.state + self.__structs.append((self.state, self.__last_fid)) + self.state = FIELD_READ + self.__last_fid = 0 + + def readStructEnd(self): + assert self.state == FIELD_READ + self.state, self.__last_fid = self.__structs.pop() + + def readCollectionBegin(self): + assert self.state in (VALUE_READ, CONTAINER_READ), self.state + size_type = self.__readUByte() + size = size_type >> 4 + type = self.__getTType(size_type) + if size == 15: + size = self.__readSize() + self.__containers.append(self.state) + self.state = CONTAINER_READ + return type, size + readSetBegin = readCollectionBegin + readListBegin = readCollectionBegin + + def readMapBegin(self): + assert self.state in (VALUE_READ, CONTAINER_READ), self.state + size = self.__readSize() + types = 0 + if size > 0: + types = self.__readUByte() + vtype = self.__getTType(types) + ktype = self.__getTType(types >> 4) + self.__containers.append(self.state) + self.state = CONTAINER_READ + return (ktype, vtype, size) + + def readCollectionEnd(self): + assert self.state == CONTAINER_READ, self.state + self.state = self.__containers.pop() + readSetEnd = readCollectionEnd + readListEnd = readCollectionEnd + readMapEnd = readCollectionEnd + + def readBool(self): + if self.state == BOOL_READ: + return self.__bool_value == CompactType.TRUE + elif self.state == CONTAINER_READ: + return self.__readByte() == CompactType.TRUE + else: + raise AssertionError("Invalid state in compact protocol: %d" % + self.state) + + readByte = reader(__readByte) + __readI16 = __readZigZag + readI16 = reader(__readZigZag) + readI32 = reader(__readZigZag) + readI64 = reader(__readZigZag) + + @reader + def readDouble(self): + buff = self.trans.readAll(8) + val, = unpack('!d', buff) + return val + + def __readString(self): + len = self.__readSize() + return self.trans.readAll(len) + readString = reader(__readString) + + def __getTType(self, byte): + return TTYPES[byte & 0x0f] + + +class TCompactProtocolFactory: + def __init__(self): + pass + + def getProtocol(self, trans): + return TCompactProtocol(trans) diff --git a/pyload/lib/thrift/protocol/TJSONProtocol.py b/pyload/lib/thrift/protocol/TJSONProtocol.py new file mode 100644 index 000000000..3048197d4 --- /dev/null +++ b/pyload/lib/thrift/protocol/TJSONProtocol.py @@ -0,0 +1,550 @@ +# +# Licensed to the Apache Software Foundation (ASF) under one +# or more contributor license agreements. See the NOTICE file +# distributed with this work for additional information +# regarding copyright ownership. The ASF licenses this file +# to you under the Apache License, Version 2.0 (the +# "License"); you may not use this file except in compliance +# with the License. You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, +# software distributed under the License is distributed on an +# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY +# KIND, either express or implied. See the License for the +# specific language governing permissions and limitations +# under the License. +# + +from TProtocol import TType, TProtocolBase, TProtocolException +import base64 +import json +import math + +__all__ = ['TJSONProtocol', + 'TJSONProtocolFactory', + 'TSimpleJSONProtocol', + 'TSimpleJSONProtocolFactory'] + +VERSION = 1 + +COMMA = ',' +COLON = ':' +LBRACE = '{' +RBRACE = '}' +LBRACKET = '[' +RBRACKET = ']' +QUOTE = '"' +BACKSLASH = '\\' +ZERO = '0' + +ESCSEQ = '\\u00' +ESCAPE_CHAR = '"\\bfnrt' +ESCAPE_CHAR_VALS = ['"', '\\', '\b', '\f', '\n', '\r', '\t'] +NUMERIC_CHAR = '+-.0123456789Ee' + +CTYPES = {TType.BOOL: 'tf', + TType.BYTE: 'i8', + TType.I16: 'i16', + TType.I32: 'i32', + TType.I64: 'i64', + TType.DOUBLE: 'dbl', + TType.STRING: 'str', + TType.STRUCT: 'rec', + TType.LIST: 'lst', + TType.SET: 'set', + TType.MAP: 'map'} + +JTYPES = {} +for key in CTYPES.keys(): + JTYPES[CTYPES[key]] = key + + +class JSONBaseContext(object): + + def __init__(self, protocol): + self.protocol = protocol + self.first = True + + def doIO(self, function): + pass + + def write(self): + pass + + def read(self): + pass + + def escapeNum(self): + return False + + def __str__(self): + return self.__class__.__name__ + + +class JSONListContext(JSONBaseContext): + + def doIO(self, function): + if self.first is True: + self.first = False + else: + function(COMMA) + + def write(self): + self.doIO(self.protocol.trans.write) + + def read(self): + self.doIO(self.protocol.readJSONSyntaxChar) + + +class JSONPairContext(JSONBaseContext): + + def __init__(self, protocol): + super(JSONPairContext, self).__init__(protocol) + self.colon = True + + def doIO(self, function): + if self.first: + self.first = False + self.colon = True + else: + function(COLON if self.colon else COMMA) + self.colon = not self.colon + + def write(self): + self.doIO(self.protocol.trans.write) + + def read(self): + self.doIO(self.protocol.readJSONSyntaxChar) + + def escapeNum(self): + return self.colon + + def __str__(self): + return '%s, colon=%s' % (self.__class__.__name__, self.colon) + + +class LookaheadReader(): + hasData = False + data = '' + + def __init__(self, protocol): + self.protocol = protocol + + def read(self): + if self.hasData is True: + self.hasData = False + else: + self.data = self.protocol.trans.read(1) + return self.data + + def peek(self): + if self.hasData is False: + self.data = self.protocol.trans.read(1) + self.hasData = True + return self.data + +class TJSONProtocolBase(TProtocolBase): + + def __init__(self, trans): + TProtocolBase.__init__(self, trans) + self.resetWriteContext() + self.resetReadContext() + + def resetWriteContext(self): + self.context = JSONBaseContext(self) + self.contextStack = [self.context] + + def resetReadContext(self): + self.resetWriteContext() + self.reader = LookaheadReader(self) + + def pushContext(self, ctx): + self.contextStack.append(ctx) + self.context = ctx + + def popContext(self): + self.contextStack.pop() + if self.contextStack: + self.context = self.contextStack[-1] + else: + self.context = JSONBaseContext(self) + + def writeJSONString(self, string): + self.context.write() + self.trans.write(json.dumps(string)) + + def writeJSONNumber(self, number): + self.context.write() + jsNumber = str(number) + if self.context.escapeNum(): + jsNumber = "%s%s%s" % (QUOTE, jsNumber, QUOTE) + self.trans.write(jsNumber) + + def writeJSONBase64(self, binary): + self.context.write() + self.trans.write(QUOTE) + self.trans.write(base64.b64encode(binary)) + self.trans.write(QUOTE) + + def writeJSONObjectStart(self): + self.context.write() + self.trans.write(LBRACE) + self.pushContext(JSONPairContext(self)) + + def writeJSONObjectEnd(self): + self.popContext() + self.trans.write(RBRACE) + + def writeJSONArrayStart(self): + self.context.write() + self.trans.write(LBRACKET) + self.pushContext(JSONListContext(self)) + + def writeJSONArrayEnd(self): + self.popContext() + self.trans.write(RBRACKET) + + def readJSONSyntaxChar(self, character): + current = self.reader.read() + if character != current: + raise TProtocolException(TProtocolException.INVALID_DATA, + "Unexpected character: %s" % current) + + def readJSONString(self, skipContext): + string = [] + if skipContext is False: + self.context.read() + self.readJSONSyntaxChar(QUOTE) + while True: + character = self.reader.read() + if character == QUOTE: + break + if character == ESCSEQ[0]: + character = self.reader.read() + if character == ESCSEQ[1]: + self.readJSONSyntaxChar(ZERO) + self.readJSONSyntaxChar(ZERO) + character = json.JSONDecoder().decode('"\u00%s"' % self.trans.read(2)) + else: + off = ESCAPE_CHAR.find(character) + if off == -1: + raise TProtocolException(TProtocolException.INVALID_DATA, + "Expected control char") + character = ESCAPE_CHAR_VALS[off] + string.append(character) + return ''.join(string) + + def isJSONNumeric(self, character): + return (True if NUMERIC_CHAR.find(character) != - 1 else False) + + def readJSONQuotes(self): + if (self.context.escapeNum()): + self.readJSONSyntaxChar(QUOTE) + + def readJSONNumericChars(self): + numeric = [] + while True: + character = self.reader.peek() + if self.isJSONNumeric(character) is False: + break + numeric.append(self.reader.read()) + return ''.join(numeric) + + def readJSONInteger(self): + self.context.read() + self.readJSONQuotes() + numeric = self.readJSONNumericChars() + self.readJSONQuotes() + try: + return int(numeric) + except ValueError: + raise TProtocolException(TProtocolException.INVALID_DATA, + "Bad data encounted in numeric data") + + def readJSONDouble(self): + self.context.read() + if self.reader.peek() == QUOTE: + string = self.readJSONString(True) + try: + double = float(string) + if (self.context.escapeNum is False and + not math.isinf(double) and + not math.isnan(double)): + raise TProtocolException(TProtocolException.INVALID_DATA, + "Numeric data unexpectedly quoted") + return double + except ValueError: + raise TProtocolException(TProtocolException.INVALID_DATA, + "Bad data encounted in numeric data") + else: + if self.context.escapeNum() is True: + self.readJSONSyntaxChar(QUOTE) + try: + return float(self.readJSONNumericChars()) + except ValueError: + raise TProtocolException(TProtocolException.INVALID_DATA, + "Bad data encounted in numeric data") + + def readJSONBase64(self): + string = self.readJSONString(False) + return base64.b64decode(string) + + def readJSONObjectStart(self): + self.context.read() + self.readJSONSyntaxChar(LBRACE) + self.pushContext(JSONPairContext(self)) + + def readJSONObjectEnd(self): + self.readJSONSyntaxChar(RBRACE) + self.popContext() + + def readJSONArrayStart(self): + self.context.read() + self.readJSONSyntaxChar(LBRACKET) + self.pushContext(JSONListContext(self)) + + def readJSONArrayEnd(self): + self.readJSONSyntaxChar(RBRACKET) + self.popContext() + + +class TJSONProtocol(TJSONProtocolBase): + + def readMessageBegin(self): + self.resetReadContext() + self.readJSONArrayStart() + if self.readJSONInteger() != VERSION: + raise TProtocolException(TProtocolException.BAD_VERSION, + "Message contained bad version.") + name = self.readJSONString(False) + typen = self.readJSONInteger() + seqid = self.readJSONInteger() + return (name, typen, seqid) + + def readMessageEnd(self): + self.readJSONArrayEnd() + + def readStructBegin(self): + self.readJSONObjectStart() + + def readStructEnd(self): + self.readJSONObjectEnd() + + def readFieldBegin(self): + character = self.reader.peek() + ttype = 0 + id = 0 + if character == RBRACE: + ttype = TType.STOP + else: + id = self.readJSONInteger() + self.readJSONObjectStart() + ttype = JTYPES[self.readJSONString(False)] + return (None, ttype, id) + + def readFieldEnd(self): + self.readJSONObjectEnd() + + def readMapBegin(self): + self.readJSONArrayStart() + keyType = JTYPES[self.readJSONString(False)] + valueType = JTYPES[self.readJSONString(False)] + size = self.readJSONInteger() + self.readJSONObjectStart() + return (keyType, valueType, size) + + def readMapEnd(self): + self.readJSONObjectEnd() + self.readJSONArrayEnd() + + def readCollectionBegin(self): + self.readJSONArrayStart() + elemType = JTYPES[self.readJSONString(False)] + size = self.readJSONInteger() + return (elemType, size) + readListBegin = readCollectionBegin + readSetBegin = readCollectionBegin + + def readCollectionEnd(self): + self.readJSONArrayEnd() + readSetEnd = readCollectionEnd + readListEnd = readCollectionEnd + + def readBool(self): + return (False if self.readJSONInteger() == 0 else True) + + def readNumber(self): + return self.readJSONInteger() + readByte = readNumber + readI16 = readNumber + readI32 = readNumber + readI64 = readNumber + + def readDouble(self): + return self.readJSONDouble() + + def readString(self): + return self.readJSONString(False) + + def readBinary(self): + return self.readJSONBase64() + + def writeMessageBegin(self, name, request_type, seqid): + self.resetWriteContext() + self.writeJSONArrayStart() + self.writeJSONNumber(VERSION) + self.writeJSONString(name) + self.writeJSONNumber(request_type) + self.writeJSONNumber(seqid) + + def writeMessageEnd(self): + self.writeJSONArrayEnd() + + def writeStructBegin(self, name): + self.writeJSONObjectStart() + + def writeStructEnd(self): + self.writeJSONObjectEnd() + + def writeFieldBegin(self, name, ttype, id): + self.writeJSONNumber(id) + self.writeJSONObjectStart() + self.writeJSONString(CTYPES[ttype]) + + def writeFieldEnd(self): + self.writeJSONObjectEnd() + + def writeFieldStop(self): + pass + + def writeMapBegin(self, ktype, vtype, size): + self.writeJSONArrayStart() + self.writeJSONString(CTYPES[ktype]) + self.writeJSONString(CTYPES[vtype]) + self.writeJSONNumber(size) + self.writeJSONObjectStart() + + def writeMapEnd(self): + self.writeJSONObjectEnd() + self.writeJSONArrayEnd() + + def writeListBegin(self, etype, size): + self.writeJSONArrayStart() + self.writeJSONString(CTYPES[etype]) + self.writeJSONNumber(size) + + def writeListEnd(self): + self.writeJSONArrayEnd() + + def writeSetBegin(self, etype, size): + self.writeJSONArrayStart() + self.writeJSONString(CTYPES[etype]) + self.writeJSONNumber(size) + + def writeSetEnd(self): + self.writeJSONArrayEnd() + + def writeBool(self, boolean): + self.writeJSONNumber(1 if boolean is True else 0) + + def writeInteger(self, integer): + self.writeJSONNumber(integer) + writeByte = writeInteger + writeI16 = writeInteger + writeI32 = writeInteger + writeI64 = writeInteger + + def writeDouble(self, dbl): + self.writeJSONNumber(dbl) + + def writeString(self, string): + self.writeJSONString(string) + + def writeBinary(self, binary): + self.writeJSONBase64(binary) + + +class TJSONProtocolFactory: + + def getProtocol(self, trans): + return TJSONProtocol(trans) + + +class TSimpleJSONProtocol(TJSONProtocolBase): + """Simple, readable, write-only JSON protocol. + + Useful for interacting with scripting languages. + """ + + def readMessageBegin(self): + raise NotImplementedError() + + def readMessageEnd(self): + raise NotImplementedError() + + def readStructBegin(self): + raise NotImplementedError() + + def readStructEnd(self): + raise NotImplementedError() + + def writeMessageBegin(self, name, request_type, seqid): + self.resetWriteContext() + + def writeMessageEnd(self): + pass + + def writeStructBegin(self, name): + self.writeJSONObjectStart() + + def writeStructEnd(self): + self.writeJSONObjectEnd() + + def writeFieldBegin(self, name, ttype, fid): + self.writeJSONString(name) + + def writeFieldEnd(self): + pass + + def writeMapBegin(self, ktype, vtype, size): + self.writeJSONObjectStart() + + def writeMapEnd(self): + self.writeJSONObjectEnd() + + def _writeCollectionBegin(self, etype, size): + self.writeJSONArrayStart() + + def _writeCollectionEnd(self): + self.writeJSONArrayEnd() + writeListBegin = _writeCollectionBegin + writeListEnd = _writeCollectionEnd + writeSetBegin = _writeCollectionBegin + writeSetEnd = _writeCollectionEnd + + def writeInteger(self, integer): + self.writeJSONNumber(integer) + writeByte = writeInteger + writeI16 = writeInteger + writeI32 = writeInteger + writeI64 = writeInteger + + def writeBool(self, boolean): + self.writeJSONNumber(1 if boolean is True else 0) + + def writeDouble(self, dbl): + self.writeJSONNumber(dbl) + + def writeString(self, string): + self.writeJSONString(string) + + def writeBinary(self, binary): + self.writeJSONBase64(binary) + + +class TSimpleJSONProtocolFactory(object): + + def getProtocol(self, trans): + return TSimpleJSONProtocol(trans) diff --git a/pyload/lib/thrift/protocol/TProtocol.py b/pyload/lib/thrift/protocol/TProtocol.py new file mode 100644 index 000000000..dc2b095de --- /dev/null +++ b/pyload/lib/thrift/protocol/TProtocol.py @@ -0,0 +1,406 @@ +# +# Licensed to the Apache Software Foundation (ASF) under one +# or more contributor license agreements. See the NOTICE file +# distributed with this work for additional information +# regarding copyright ownership. The ASF licenses this file +# to you under the Apache License, Version 2.0 (the +# "License"); you may not use this file except in compliance +# with the License. You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, +# software distributed under the License is distributed on an +# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY +# KIND, either express or implied. See the License for the +# specific language governing permissions and limitations +# under the License. +# + +from thrift.Thrift import * + + +class TProtocolException(TException): + """Custom Protocol Exception class""" + + UNKNOWN = 0 + INVALID_DATA = 1 + NEGATIVE_SIZE = 2 + SIZE_LIMIT = 3 + BAD_VERSION = 4 + + def __init__(self, type=UNKNOWN, message=None): + TException.__init__(self, message) + self.type = type + + +class TProtocolBase: + """Base class for Thrift protocol driver.""" + + def __init__(self, trans): + self.trans = trans + + def writeMessageBegin(self, name, ttype, seqid): + pass + + def writeMessageEnd(self): + pass + + def writeStructBegin(self, name): + pass + + def writeStructEnd(self): + pass + + def writeFieldBegin(self, name, ttype, fid): + pass + + def writeFieldEnd(self): + pass + + def writeFieldStop(self): + pass + + def writeMapBegin(self, ktype, vtype, size): + pass + + def writeMapEnd(self): + pass + + def writeListBegin(self, etype, size): + pass + + def writeListEnd(self): + pass + + def writeSetBegin(self, etype, size): + pass + + def writeSetEnd(self): + pass + + def writeBool(self, bool_val): + pass + + def writeByte(self, byte): + pass + + def writeI16(self, i16): + pass + + def writeI32(self, i32): + pass + + def writeI64(self, i64): + pass + + def writeDouble(self, dub): + pass + + def writeString(self, str_val): + pass + + def readMessageBegin(self): + pass + + def readMessageEnd(self): + pass + + def readStructBegin(self): + pass + + def readStructEnd(self): + pass + + def readFieldBegin(self): + pass + + def readFieldEnd(self): + pass + + def readMapBegin(self): + pass + + def readMapEnd(self): + pass + + def readListBegin(self): + pass + + def readListEnd(self): + pass + + def readSetBegin(self): + pass + + def readSetEnd(self): + pass + + def readBool(self): + pass + + def readByte(self): + pass + + def readI16(self): + pass + + def readI32(self): + pass + + def readI64(self): + pass + + def readDouble(self): + pass + + def readString(self): + pass + + def skip(self, ttype): + if ttype == TType.STOP: + return + elif ttype == TType.BOOL: + self.readBool() + elif ttype == TType.BYTE: + self.readByte() + elif ttype == TType.I16: + self.readI16() + elif ttype == TType.I32: + self.readI32() + elif ttype == TType.I64: + self.readI64() + elif ttype == TType.DOUBLE: + self.readDouble() + elif ttype == TType.STRING: + self.readString() + elif ttype == TType.STRUCT: + name = self.readStructBegin() + while True: + (name, ttype, id) = self.readFieldBegin() + if ttype == TType.STOP: + break + self.skip(ttype) + self.readFieldEnd() + self.readStructEnd() + elif ttype == TType.MAP: + (ktype, vtype, size) = self.readMapBegin() + for i in xrange(size): + self.skip(ktype) + self.skip(vtype) + self.readMapEnd() + elif ttype == TType.SET: + (etype, size) = self.readSetBegin() + for i in xrange(size): + self.skip(etype) + self.readSetEnd() + elif ttype == TType.LIST: + (etype, size) = self.readListBegin() + for i in xrange(size): + self.skip(etype) + self.readListEnd() + + # tuple of: ( 'reader method' name, is_container bool, 'writer_method' name ) + _TTYPE_HANDLERS = ( + (None, None, False), # 0 TType.STOP + (None, None, False), # 1 TType.VOID # TODO: handle void? + ('readBool', 'writeBool', False), # 2 TType.BOOL + ('readByte', 'writeByte', False), # 3 TType.BYTE and I08 + ('readDouble', 'writeDouble', False), # 4 TType.DOUBLE + (None, None, False), # 5 undefined + ('readI16', 'writeI16', False), # 6 TType.I16 + (None, None, False), # 7 undefined + ('readI32', 'writeI32', False), # 8 TType.I32 + (None, None, False), # 9 undefined + ('readI64', 'writeI64', False), # 10 TType.I64 + ('readString', 'writeString', False), # 11 TType.STRING and UTF7 + ('readContainerStruct', 'writeContainerStruct', True), # 12 *.STRUCT + ('readContainerMap', 'writeContainerMap', True), # 13 TType.MAP + ('readContainerSet', 'writeContainerSet', True), # 14 TType.SET + ('readContainerList', 'writeContainerList', True), # 15 TType.LIST + (None, None, False), # 16 TType.UTF8 # TODO: handle utf8 types? + (None, None, False) # 17 TType.UTF16 # TODO: handle utf16 types? + ) + + def readFieldByTType(self, ttype, spec): + try: + (r_handler, w_handler, is_container) = self._TTYPE_HANDLERS[ttype] + except IndexError: + raise TProtocolException(type=TProtocolException.INVALID_DATA, + message='Invalid field type %d' % (ttype)) + if r_handler is None: + raise TProtocolException(type=TProtocolException.INVALID_DATA, + message='Invalid field type %d' % (ttype)) + reader = getattr(self, r_handler) + if not is_container: + return reader() + return reader(spec) + + def readContainerList(self, spec): + results = [] + ttype, tspec = spec[0], spec[1] + r_handler = self._TTYPE_HANDLERS[ttype][0] + reader = getattr(self, r_handler) + (list_type, list_len) = self.readListBegin() + if tspec is None: + # list values are simple types + for idx in xrange(list_len): + results.append(reader()) + else: + # this is like an inlined readFieldByTType + container_reader = self._TTYPE_HANDLERS[list_type][0] + val_reader = getattr(self, container_reader) + for idx in xrange(list_len): + val = val_reader(tspec) + results.append(val) + self.readListEnd() + return results + + def readContainerSet(self, spec): + results = set() + ttype, tspec = spec[0], spec[1] + r_handler = self._TTYPE_HANDLERS[ttype][0] + reader = getattr(self, r_handler) + (set_type, set_len) = self.readSetBegin() + if tspec is None: + # set members are simple types + for idx in xrange(set_len): + results.add(reader()) + else: + container_reader = self._TTYPE_HANDLERS[set_type][0] + val_reader = getattr(self, container_reader) + for idx in xrange(set_len): + results.add(val_reader(tspec)) + self.readSetEnd() + return results + + def readContainerStruct(self, spec): + (obj_class, obj_spec) = spec + obj = obj_class() + obj.read(self) + return obj + + def readContainerMap(self, spec): + results = dict() + key_ttype, key_spec = spec[0], spec[1] + val_ttype, val_spec = spec[2], spec[3] + (map_ktype, map_vtype, map_len) = self.readMapBegin() + # TODO: compare types we just decoded with thrift_spec and + # abort/skip if types disagree + key_reader = getattr(self, self._TTYPE_HANDLERS[key_ttype][0]) + val_reader = getattr(self, self._TTYPE_HANDLERS[val_ttype][0]) + # list values are simple types + for idx in xrange(map_len): + if key_spec is None: + k_val = key_reader() + else: + k_val = self.readFieldByTType(key_ttype, key_spec) + if val_spec is None: + v_val = val_reader() + else: + v_val = self.readFieldByTType(val_ttype, val_spec) + # this raises a TypeError with unhashable keys types + # i.e. this fails: d=dict(); d[[0,1]] = 2 + results[k_val] = v_val + self.readMapEnd() + return results + + def readStruct(self, obj, thrift_spec): + self.readStructBegin() + while True: + (fname, ftype, fid) = self.readFieldBegin() + if ftype == TType.STOP: + break + try: + field = thrift_spec[fid] + except IndexError: + self.skip(ftype) + else: + if field is not None and ftype == field[1]: + fname = field[2] + fspec = field[3] + val = self.readFieldByTType(ftype, fspec) + setattr(obj, fname, val) + else: + self.skip(ftype) + self.readFieldEnd() + self.readStructEnd() + + def writeContainerStruct(self, val, spec): + val.write(self) + + def writeContainerList(self, val, spec): + self.writeListBegin(spec[0], len(val)) + r_handler, w_handler, is_container = self._TTYPE_HANDLERS[spec[0]] + e_writer = getattr(self, w_handler) + if not is_container: + for elem in val: + e_writer(elem) + else: + for elem in val: + e_writer(elem, spec[1]) + self.writeListEnd() + + def writeContainerSet(self, val, spec): + self.writeSetBegin(spec[0], len(val)) + r_handler, w_handler, is_container = self._TTYPE_HANDLERS[spec[0]] + e_writer = getattr(self, w_handler) + if not is_container: + for elem in val: + e_writer(elem) + else: + for elem in val: + e_writer(elem, spec[1]) + self.writeSetEnd() + + def writeContainerMap(self, val, spec): + k_type = spec[0] + v_type = spec[2] + ignore, ktype_name, k_is_container = self._TTYPE_HANDLERS[k_type] + ignore, vtype_name, v_is_container = self._TTYPE_HANDLERS[v_type] + k_writer = getattr(self, ktype_name) + v_writer = getattr(self, vtype_name) + self.writeMapBegin(k_type, v_type, len(val)) + for m_key, m_val in val.iteritems(): + if not k_is_container: + k_writer(m_key) + else: + k_writer(m_key, spec[1]) + if not v_is_container: + v_writer(m_val) + else: + v_writer(m_val, spec[3]) + self.writeMapEnd() + + def writeStruct(self, obj, thrift_spec): + self.writeStructBegin(obj.__class__.__name__) + for field in thrift_spec: + if field is None: + continue + fname = field[2] + val = getattr(obj, fname) + if val is None: + # skip writing out unset fields + continue + fid = field[0] + ftype = field[1] + fspec = field[3] + # get the writer method for this value + self.writeFieldBegin(fname, ftype, fid) + self.writeFieldByTType(ftype, val, fspec) + self.writeFieldEnd() + self.writeFieldStop() + self.writeStructEnd() + + def writeFieldByTType(self, ttype, val, spec): + r_handler, w_handler, is_container = self._TTYPE_HANDLERS[ttype] + writer = getattr(self, w_handler) + if is_container: + writer(val, spec) + else: + writer(val) + + +class TProtocolFactory: + def getProtocol(self, trans): + pass diff --git a/pyload/lib/thrift/protocol/__init__.py b/pyload/lib/thrift/protocol/__init__.py new file mode 100644 index 000000000..7eefb458a --- /dev/null +++ b/pyload/lib/thrift/protocol/__init__.py @@ -0,0 +1,20 @@ +# +# Licensed to the Apache Software Foundation (ASF) under one +# or more contributor license agreements. See the NOTICE file +# distributed with this work for additional information +# regarding copyright ownership. The ASF licenses this file +# to you under the Apache License, Version 2.0 (the +# "License"); you may not use this file except in compliance +# with the License. You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, +# software distributed under the License is distributed on an +# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY +# KIND, either express or implied. See the License for the +# specific language governing permissions and limitations +# under the License. +# + +__all__ = ['fastbinary', 'TBase', 'TBinaryProtocol', 'TCompactProtocol', 'TJSONProtocol', 'TProtocol'] diff --git a/pyload/lib/thrift/protocol/fastbinary.c b/pyload/lib/thrift/protocol/fastbinary.c new file mode 100644 index 000000000..2ce56603c --- /dev/null +++ b/pyload/lib/thrift/protocol/fastbinary.c @@ -0,0 +1,1219 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ + +#include <Python.h> +#include "cStringIO.h" +#include <stdint.h> +#ifndef _WIN32 +# include <stdbool.h> +# include <netinet/in.h> +#else +# include <WinSock2.h> +# pragma comment (lib, "ws2_32.lib") +# define BIG_ENDIAN (4321) +# define LITTLE_ENDIAN (1234) +# define BYTE_ORDER LITTLE_ENDIAN +# if defined(_MSC_VER) && _MSC_VER < 1600 + typedef int _Bool; +# define bool _Bool +# define false 0 +# define true 1 +# endif +# define inline __inline +#endif + +/* Fix endianness issues on Solaris */ +#if defined (__SVR4) && defined (__sun) + #if defined(__i386) && !defined(__i386__) + #define __i386__ + #endif + + #ifndef BIG_ENDIAN + #define BIG_ENDIAN (4321) + #endif + #ifndef LITTLE_ENDIAN + #define LITTLE_ENDIAN (1234) + #endif + + /* I386 is LE, even on Solaris */ + #if !defined(BYTE_ORDER) && defined(__i386__) + #define BYTE_ORDER LITTLE_ENDIAN + #endif +#endif + +// TODO(dreiss): defval appears to be unused. Look into removing it. +// TODO(dreiss): Make parse_spec_args recursive, and cache the output +// permanently in the object. (Malloc and orphan.) +// TODO(dreiss): Why do we need cStringIO for reading, why not just char*? +// Can cStringIO let us work with a BufferedTransport? +// TODO(dreiss): Don't ignore the rv from cwrite (maybe). + +/* ====== BEGIN UTILITIES ====== */ + +#define INIT_OUTBUF_SIZE 128 + +// Stolen out of TProtocol.h. +// It would be a huge pain to have both get this from one place. +typedef enum TType { + T_STOP = 0, + T_VOID = 1, + T_BOOL = 2, + T_BYTE = 3, + T_I08 = 3, + T_I16 = 6, + T_I32 = 8, + T_U64 = 9, + T_I64 = 10, + T_DOUBLE = 4, + T_STRING = 11, + T_UTF7 = 11, + T_STRUCT = 12, + T_MAP = 13, + T_SET = 14, + T_LIST = 15, + T_UTF8 = 16, + T_UTF16 = 17 +} TType; + +#ifndef __BYTE_ORDER +# if defined(BYTE_ORDER) && defined(LITTLE_ENDIAN) && defined(BIG_ENDIAN) +# define __BYTE_ORDER BYTE_ORDER +# define __LITTLE_ENDIAN LITTLE_ENDIAN +# define __BIG_ENDIAN BIG_ENDIAN +# else +# error "Cannot determine endianness" +# endif +#endif + +// Same comment as the enum. Sorry. +#if __BYTE_ORDER == __BIG_ENDIAN +# define ntohll(n) (n) +# define htonll(n) (n) +#elif __BYTE_ORDER == __LITTLE_ENDIAN +# if defined(__GNUC__) && defined(__GLIBC__) +# include <byteswap.h> +# define ntohll(n) bswap_64(n) +# define htonll(n) bswap_64(n) +# else /* GNUC & GLIBC */ +# define ntohll(n) ( (((unsigned long long)ntohl(n)) << 32) + ntohl(n >> 32) ) +# define htonll(n) ( (((unsigned long long)htonl(n)) << 32) + htonl(n >> 32) ) +# endif /* GNUC & GLIBC */ +#else /* __BYTE_ORDER */ +# error "Can't define htonll or ntohll!" +#endif + +// Doing a benchmark shows that interning actually makes a difference, amazingly. +#define INTERN_STRING(value) _intern_ ## value + +#define INT_CONV_ERROR_OCCURRED(v) ( ((v) == -1) && PyErr_Occurred() ) +#define CHECK_RANGE(v, min, max) ( ((v) <= (max)) && ((v) >= (min)) ) + +// Py_ssize_t was not defined before Python 2.5 +#if (PY_VERSION_HEX < 0x02050000) +typedef int Py_ssize_t; +#endif + +/** + * A cache of the spec_args for a set or list, + * so we don't have to keep calling PyTuple_GET_ITEM. + */ +typedef struct { + TType element_type; + PyObject* typeargs; +} SetListTypeArgs; + +/** + * A cache of the spec_args for a map, + * so we don't have to keep calling PyTuple_GET_ITEM. + */ +typedef struct { + TType ktag; + TType vtag; + PyObject* ktypeargs; + PyObject* vtypeargs; +} MapTypeArgs; + +/** + * A cache of the spec_args for a struct, + * so we don't have to keep calling PyTuple_GET_ITEM. + */ +typedef struct { + PyObject* klass; + PyObject* spec; +} StructTypeArgs; + +/** + * A cache of the item spec from a struct specification, + * so we don't have to keep calling PyTuple_GET_ITEM. + */ +typedef struct { + int tag; + TType type; + PyObject* attrname; + PyObject* typeargs; + PyObject* defval; +} StructItemSpec; + +/** + * A cache of the two key attributes of a CReadableTransport, + * so we don't have to keep calling PyObject_GetAttr. + */ +typedef struct { + PyObject* stringiobuf; + PyObject* refill_callable; +} DecodeBuffer; + +/** Pointer to interned string to speed up attribute lookup. */ +static PyObject* INTERN_STRING(cstringio_buf); +/** Pointer to interned string to speed up attribute lookup. */ +static PyObject* INTERN_STRING(cstringio_refill); + +static inline bool +check_ssize_t_32(Py_ssize_t len) { + // error from getting the int + if (INT_CONV_ERROR_OCCURRED(len)) { + return false; + } + if (!CHECK_RANGE(len, 0, INT32_MAX)) { + PyErr_SetString(PyExc_OverflowError, "string size out of range"); + return false; + } + return true; +} + +static inline bool +parse_pyint(PyObject* o, int32_t* ret, int32_t min, int32_t max) { + long val = PyInt_AsLong(o); + + if (INT_CONV_ERROR_OCCURRED(val)) { + return false; + } + if (!CHECK_RANGE(val, min, max)) { + PyErr_SetString(PyExc_OverflowError, "int out of range"); + return false; + } + + *ret = (int32_t) val; + return true; +} + + +/* --- FUNCTIONS TO PARSE STRUCT SPECIFICATOINS --- */ + +static bool +parse_set_list_args(SetListTypeArgs* dest, PyObject* typeargs) { + if (PyTuple_Size(typeargs) != 2) { + PyErr_SetString(PyExc_TypeError, "expecting tuple of size 2 for list/set type args"); + return false; + } + + dest->element_type = PyInt_AsLong(PyTuple_GET_ITEM(typeargs, 0)); + if (INT_CONV_ERROR_OCCURRED(dest->element_type)) { + return false; + } + + dest->typeargs = PyTuple_GET_ITEM(typeargs, 1); + + return true; +} + +static bool +parse_map_args(MapTypeArgs* dest, PyObject* typeargs) { + if (PyTuple_Size(typeargs) != 4) { + PyErr_SetString(PyExc_TypeError, "expecting 4 arguments for typeargs to map"); + return false; + } + + dest->ktag = PyInt_AsLong(PyTuple_GET_ITEM(typeargs, 0)); + if (INT_CONV_ERROR_OCCURRED(dest->ktag)) { + return false; + } + + dest->vtag = PyInt_AsLong(PyTuple_GET_ITEM(typeargs, 2)); + if (INT_CONV_ERROR_OCCURRED(dest->vtag)) { + return false; + } + + dest->ktypeargs = PyTuple_GET_ITEM(typeargs, 1); + dest->vtypeargs = PyTuple_GET_ITEM(typeargs, 3); + + return true; +} + +static bool +parse_struct_args(StructTypeArgs* dest, PyObject* typeargs) { + if (PyTuple_Size(typeargs) != 2) { + PyErr_SetString(PyExc_TypeError, "expecting tuple of size 2 for struct args"); + return false; + } + + dest->klass = PyTuple_GET_ITEM(typeargs, 0); + dest->spec = PyTuple_GET_ITEM(typeargs, 1); + + return true; +} + +static int +parse_struct_item_spec(StructItemSpec* dest, PyObject* spec_tuple) { + + // i'd like to use ParseArgs here, but it seems to be a bottleneck. + if (PyTuple_Size(spec_tuple) != 5) { + PyErr_SetString(PyExc_TypeError, "expecting 5 arguments for spec tuple"); + return false; + } + + dest->tag = PyInt_AsLong(PyTuple_GET_ITEM(spec_tuple, 0)); + if (INT_CONV_ERROR_OCCURRED(dest->tag)) { + return false; + } + + dest->type = PyInt_AsLong(PyTuple_GET_ITEM(spec_tuple, 1)); + if (INT_CONV_ERROR_OCCURRED(dest->type)) { + return false; + } + + dest->attrname = PyTuple_GET_ITEM(spec_tuple, 2); + dest->typeargs = PyTuple_GET_ITEM(spec_tuple, 3); + dest->defval = PyTuple_GET_ITEM(spec_tuple, 4); + return true; +} + +/* ====== END UTILITIES ====== */ + + +/* ====== BEGIN WRITING FUNCTIONS ====== */ + +/* --- LOW-LEVEL WRITING FUNCTIONS --- */ + +static void writeByte(PyObject* outbuf, int8_t val) { + int8_t net = val; + PycStringIO->cwrite(outbuf, (char*)&net, sizeof(int8_t)); +} + +static void writeI16(PyObject* outbuf, int16_t val) { + int16_t net = (int16_t)htons(val); + PycStringIO->cwrite(outbuf, (char*)&net, sizeof(int16_t)); +} + +static void writeI32(PyObject* outbuf, int32_t val) { + int32_t net = (int32_t)htonl(val); + PycStringIO->cwrite(outbuf, (char*)&net, sizeof(int32_t)); +} + +static void writeI64(PyObject* outbuf, int64_t val) { + int64_t net = (int64_t)htonll(val); + PycStringIO->cwrite(outbuf, (char*)&net, sizeof(int64_t)); +} + +static void writeDouble(PyObject* outbuf, double dub) { + // Unfortunately, bitwise_cast doesn't work in C. Bad C! + union { + double f; + int64_t t; + } transfer; + transfer.f = dub; + writeI64(outbuf, transfer.t); +} + + +/* --- MAIN RECURSIVE OUTPUT FUCNTION -- */ + +static int +output_val(PyObject* output, PyObject* value, TType type, PyObject* typeargs) { + /* + * Refcounting Strategy: + * + * We assume that elements of the thrift_spec tuple are not going to be + * mutated, so we don't ref count those at all. Other than that, we try to + * keep a reference to all the user-created objects while we work with them. + * output_val assumes that a reference is already held. The *caller* is + * responsible for handling references + */ + + switch (type) { + + case T_BOOL: { + int v = PyObject_IsTrue(value); + if (v == -1) { + return false; + } + + writeByte(output, (int8_t) v); + break; + } + case T_I08: { + int32_t val; + + if (!parse_pyint(value, &val, INT8_MIN, INT8_MAX)) { + return false; + } + + writeByte(output, (int8_t) val); + break; + } + case T_I16: { + int32_t val; + + if (!parse_pyint(value, &val, INT16_MIN, INT16_MAX)) { + return false; + } + + writeI16(output, (int16_t) val); + break; + } + case T_I32: { + int32_t val; + + if (!parse_pyint(value, &val, INT32_MIN, INT32_MAX)) { + return false; + } + + writeI32(output, val); + break; + } + case T_I64: { + int64_t nval = PyLong_AsLongLong(value); + + if (INT_CONV_ERROR_OCCURRED(nval)) { + return false; + } + + if (!CHECK_RANGE(nval, INT64_MIN, INT64_MAX)) { + PyErr_SetString(PyExc_OverflowError, "int out of range"); + return false; + } + + writeI64(output, nval); + break; + } + + case T_DOUBLE: { + double nval = PyFloat_AsDouble(value); + if (nval == -1.0 && PyErr_Occurred()) { + return false; + } + + writeDouble(output, nval); + break; + } + + case T_STRING: { + Py_ssize_t len = PyString_Size(value); + + if (!check_ssize_t_32(len)) { + return false; + } + + writeI32(output, (int32_t) len); + PycStringIO->cwrite(output, PyString_AsString(value), (int32_t) len); + break; + } + + case T_LIST: + case T_SET: { + Py_ssize_t len; + SetListTypeArgs parsedargs; + PyObject *item; + PyObject *iterator; + + if (!parse_set_list_args(&parsedargs, typeargs)) { + return false; + } + + len = PyObject_Length(value); + + if (!check_ssize_t_32(len)) { + return false; + } + + writeByte(output, parsedargs.element_type); + writeI32(output, (int32_t) len); + + iterator = PyObject_GetIter(value); + if (iterator == NULL) { + return false; + } + + while ((item = PyIter_Next(iterator))) { + if (!output_val(output, item, parsedargs.element_type, parsedargs.typeargs)) { + Py_DECREF(item); + Py_DECREF(iterator); + return false; + } + Py_DECREF(item); + } + + Py_DECREF(iterator); + + if (PyErr_Occurred()) { + return false; + } + + break; + } + + case T_MAP: { + PyObject *k, *v; + Py_ssize_t pos = 0; + Py_ssize_t len; + + MapTypeArgs parsedargs; + + len = PyDict_Size(value); + if (!check_ssize_t_32(len)) { + return false; + } + + if (!parse_map_args(&parsedargs, typeargs)) { + return false; + } + + writeByte(output, parsedargs.ktag); + writeByte(output, parsedargs.vtag); + writeI32(output, len); + + // TODO(bmaurer): should support any mapping, not just dicts + while (PyDict_Next(value, &pos, &k, &v)) { + // TODO(dreiss): Think hard about whether these INCREFs actually + // turn any unsafe scenarios into safe scenarios. + Py_INCREF(k); + Py_INCREF(v); + + if (!output_val(output, k, parsedargs.ktag, parsedargs.ktypeargs) + || !output_val(output, v, parsedargs.vtag, parsedargs.vtypeargs)) { + Py_DECREF(k); + Py_DECREF(v); + return false; + } + Py_DECREF(k); + Py_DECREF(v); + } + break; + } + + // TODO(dreiss): Consider breaking this out as a function + // the way we did for decode_struct. + case T_STRUCT: { + StructTypeArgs parsedargs; + Py_ssize_t nspec; + Py_ssize_t i; + + if (!parse_struct_args(&parsedargs, typeargs)) { + return false; + } + + nspec = PyTuple_Size(parsedargs.spec); + + if (nspec == -1) { + return false; + } + + for (i = 0; i < nspec; i++) { + StructItemSpec parsedspec; + PyObject* spec_tuple; + PyObject* instval = NULL; + + spec_tuple = PyTuple_GET_ITEM(parsedargs.spec, i); + if (spec_tuple == Py_None) { + continue; + } + + if (!parse_struct_item_spec (&parsedspec, spec_tuple)) { + return false; + } + + instval = PyObject_GetAttr(value, parsedspec.attrname); + + if (!instval) { + return false; + } + + if (instval == Py_None) { + Py_DECREF(instval); + continue; + } + + writeByte(output, (int8_t) parsedspec.type); + writeI16(output, parsedspec.tag); + + if (!output_val(output, instval, parsedspec.type, parsedspec.typeargs)) { + Py_DECREF(instval); + return false; + } + + Py_DECREF(instval); + } + + writeByte(output, (int8_t)T_STOP); + break; + } + + case T_STOP: + case T_VOID: + case T_UTF16: + case T_UTF8: + case T_U64: + default: + PyErr_SetString(PyExc_TypeError, "Unexpected TType"); + return false; + + } + + return true; +} + + +/* --- TOP-LEVEL WRAPPER FOR OUTPUT -- */ + +static PyObject * +encode_binary(PyObject *self, PyObject *args) { + PyObject* enc_obj; + PyObject* type_args; + PyObject* buf; + PyObject* ret = NULL; + + if (!PyArg_ParseTuple(args, "OO", &enc_obj, &type_args)) { + return NULL; + } + + buf = PycStringIO->NewOutput(INIT_OUTBUF_SIZE); + if (output_val(buf, enc_obj, T_STRUCT, type_args)) { + ret = PycStringIO->cgetvalue(buf); + } + + Py_DECREF(buf); + return ret; +} + +/* ====== END WRITING FUNCTIONS ====== */ + + +/* ====== BEGIN READING FUNCTIONS ====== */ + +/* --- LOW-LEVEL READING FUNCTIONS --- */ + +static void +free_decodebuf(DecodeBuffer* d) { + Py_XDECREF(d->stringiobuf); + Py_XDECREF(d->refill_callable); +} + +static bool +decode_buffer_from_obj(DecodeBuffer* dest, PyObject* obj) { + dest->stringiobuf = PyObject_GetAttr(obj, INTERN_STRING(cstringio_buf)); + if (!dest->stringiobuf) { + return false; + } + + if (!PycStringIO_InputCheck(dest->stringiobuf)) { + free_decodebuf(dest); + PyErr_SetString(PyExc_TypeError, "expecting stringio input"); + return false; + } + + dest->refill_callable = PyObject_GetAttr(obj, INTERN_STRING(cstringio_refill)); + + if(!dest->refill_callable) { + free_decodebuf(dest); + return false; + } + + if (!PyCallable_Check(dest->refill_callable)) { + free_decodebuf(dest); + PyErr_SetString(PyExc_TypeError, "expecting callable"); + return false; + } + + return true; +} + +static bool readBytes(DecodeBuffer* input, char** output, int len) { + int read; + + // TODO(dreiss): Don't fear the malloc. Think about taking a copy of + // the partial read instead of forcing the transport + // to prepend it to its buffer. + + read = PycStringIO->cread(input->stringiobuf, output, len); + + if (read == len) { + return true; + } else if (read == -1) { + return false; + } else { + PyObject* newiobuf; + + // using building functions as this is a rare codepath + newiobuf = PyObject_CallFunction( + input->refill_callable, "s#i", *output, read, len, NULL); + if (newiobuf == NULL) { + return false; + } + + // must do this *AFTER* the call so that we don't deref the io buffer + Py_CLEAR(input->stringiobuf); + input->stringiobuf = newiobuf; + + read = PycStringIO->cread(input->stringiobuf, output, len); + + if (read == len) { + return true; + } else if (read == -1) { + return false; + } else { + // TODO(dreiss): This could be a valid code path for big binary blobs. + PyErr_SetString(PyExc_TypeError, + "refill claimed to have refilled the buffer, but didn't!!"); + return false; + } + } +} + +static int8_t readByte(DecodeBuffer* input) { + char* buf; + if (!readBytes(input, &buf, sizeof(int8_t))) { + return -1; + } + + return *(int8_t*) buf; +} + +static int16_t readI16(DecodeBuffer* input) { + char* buf; + if (!readBytes(input, &buf, sizeof(int16_t))) { + return -1; + } + + return (int16_t) ntohs(*(int16_t*) buf); +} + +static int32_t readI32(DecodeBuffer* input) { + char* buf; + if (!readBytes(input, &buf, sizeof(int32_t))) { + return -1; + } + return (int32_t) ntohl(*(int32_t*) buf); +} + + +static int64_t readI64(DecodeBuffer* input) { + char* buf; + if (!readBytes(input, &buf, sizeof(int64_t))) { + return -1; + } + + return (int64_t) ntohll(*(int64_t*) buf); +} + +static double readDouble(DecodeBuffer* input) { + union { + int64_t f; + double t; + } transfer; + + transfer.f = readI64(input); + if (transfer.f == -1) { + return -1; + } + return transfer.t; +} + +static bool +checkTypeByte(DecodeBuffer* input, TType expected) { + TType got = readByte(input); + if (INT_CONV_ERROR_OCCURRED(got)) { + return false; + } + + if (expected != got) { + PyErr_SetString(PyExc_TypeError, "got wrong ttype while reading field"); + return false; + } + return true; +} + +static bool +skip(DecodeBuffer* input, TType type) { +#define SKIPBYTES(n) \ + do { \ + if (!readBytes(input, &dummy_buf, (n))) { \ + return false; \ + } \ + } while(0) + + char* dummy_buf; + + switch (type) { + + case T_BOOL: + case T_I08: SKIPBYTES(1); break; + case T_I16: SKIPBYTES(2); break; + case T_I32: SKIPBYTES(4); break; + case T_I64: + case T_DOUBLE: SKIPBYTES(8); break; + + case T_STRING: { + // TODO(dreiss): Find out if these check_ssize_t32s are really necessary. + int len = readI32(input); + if (!check_ssize_t_32(len)) { + return false; + } + SKIPBYTES(len); + break; + } + + case T_LIST: + case T_SET: { + TType etype; + int len, i; + + etype = readByte(input); + if (etype == -1) { + return false; + } + + len = readI32(input); + if (!check_ssize_t_32(len)) { + return false; + } + + for (i = 0; i < len; i++) { + if (!skip(input, etype)) { + return false; + } + } + break; + } + + case T_MAP: { + TType ktype, vtype; + int len, i; + + ktype = readByte(input); + if (ktype == -1) { + return false; + } + + vtype = readByte(input); + if (vtype == -1) { + return false; + } + + len = readI32(input); + if (!check_ssize_t_32(len)) { + return false; + } + + for (i = 0; i < len; i++) { + if (!(skip(input, ktype) && skip(input, vtype))) { + return false; + } + } + break; + } + + case T_STRUCT: { + while (true) { + TType type; + + type = readByte(input); + if (type == -1) { + return false; + } + + if (type == T_STOP) + break; + + SKIPBYTES(2); // tag + if (!skip(input, type)) { + return false; + } + } + break; + } + + case T_STOP: + case T_VOID: + case T_UTF16: + case T_UTF8: + case T_U64: + default: + PyErr_SetString(PyExc_TypeError, "Unexpected TType"); + return false; + + } + + return true; + +#undef SKIPBYTES +} + + +/* --- HELPER FUNCTION FOR DECODE_VAL --- */ + +static PyObject* +decode_val(DecodeBuffer* input, TType type, PyObject* typeargs); + +static bool +decode_struct(DecodeBuffer* input, PyObject* output, PyObject* spec_seq) { + int spec_seq_len = PyTuple_Size(spec_seq); + if (spec_seq_len == -1) { + return false; + } + + while (true) { + TType type; + int16_t tag; + PyObject* item_spec; + PyObject* fieldval = NULL; + StructItemSpec parsedspec; + + type = readByte(input); + if (type == -1) { + return false; + } + if (type == T_STOP) { + break; + } + tag = readI16(input); + if (INT_CONV_ERROR_OCCURRED(tag)) { + return false; + } + if (tag >= 0 && tag < spec_seq_len) { + item_spec = PyTuple_GET_ITEM(spec_seq, tag); + } else { + item_spec = Py_None; + } + + if (item_spec == Py_None) { + if (!skip(input, type)) { + return false; + } else { + continue; + } + } + + if (!parse_struct_item_spec(&parsedspec, item_spec)) { + return false; + } + if (parsedspec.type != type) { + if (!skip(input, type)) { + PyErr_SetString(PyExc_TypeError, "struct field had wrong type while reading and can't be skipped"); + return false; + } else { + continue; + } + } + + fieldval = decode_val(input, parsedspec.type, parsedspec.typeargs); + if (fieldval == NULL) { + return false; + } + + if (PyObject_SetAttr(output, parsedspec.attrname, fieldval) == -1) { + Py_DECREF(fieldval); + return false; + } + Py_DECREF(fieldval); + } + return true; +} + + +/* --- MAIN RECURSIVE INPUT FUCNTION --- */ + +// Returns a new reference. +static PyObject* +decode_val(DecodeBuffer* input, TType type, PyObject* typeargs) { + switch (type) { + + case T_BOOL: { + int8_t v = readByte(input); + if (INT_CONV_ERROR_OCCURRED(v)) { + return NULL; + } + + switch (v) { + case 0: Py_RETURN_FALSE; + case 1: Py_RETURN_TRUE; + // Don't laugh. This is a potentially serious issue. + default: PyErr_SetString(PyExc_TypeError, "boolean out of range"); return NULL; + } + break; + } + case T_I08: { + int8_t v = readByte(input); + if (INT_CONV_ERROR_OCCURRED(v)) { + return NULL; + } + + return PyInt_FromLong(v); + } + case T_I16: { + int16_t v = readI16(input); + if (INT_CONV_ERROR_OCCURRED(v)) { + return NULL; + } + return PyInt_FromLong(v); + } + case T_I32: { + int32_t v = readI32(input); + if (INT_CONV_ERROR_OCCURRED(v)) { + return NULL; + } + return PyInt_FromLong(v); + } + + case T_I64: { + int64_t v = readI64(input); + if (INT_CONV_ERROR_OCCURRED(v)) { + return NULL; + } + // TODO(dreiss): Find out if we can take this fastpath always when + // sizeof(long) == sizeof(long long). + if (CHECK_RANGE(v, LONG_MIN, LONG_MAX)) { + return PyInt_FromLong((long) v); + } + + return PyLong_FromLongLong(v); + } + + case T_DOUBLE: { + double v = readDouble(input); + if (v == -1.0 && PyErr_Occurred()) { + return false; + } + return PyFloat_FromDouble(v); + } + + case T_STRING: { + Py_ssize_t len = readI32(input); + char* buf; + if (!readBytes(input, &buf, len)) { + return NULL; + } + + return PyString_FromStringAndSize(buf, len); + } + + case T_LIST: + case T_SET: { + SetListTypeArgs parsedargs; + int32_t len; + PyObject* ret = NULL; + int i; + + if (!parse_set_list_args(&parsedargs, typeargs)) { + return NULL; + } + + if (!checkTypeByte(input, parsedargs.element_type)) { + return NULL; + } + + len = readI32(input); + if (!check_ssize_t_32(len)) { + return NULL; + } + + ret = PyList_New(len); + if (!ret) { + return NULL; + } + + for (i = 0; i < len; i++) { + PyObject* item = decode_val(input, parsedargs.element_type, parsedargs.typeargs); + if (!item) { + Py_DECREF(ret); + return NULL; + } + PyList_SET_ITEM(ret, i, item); + } + + // TODO(dreiss): Consider biting the bullet and making two separate cases + // for list and set, avoiding this post facto conversion. + if (type == T_SET) { + PyObject* setret; +#if (PY_VERSION_HEX < 0x02050000) + // hack needed for older versions + setret = PyObject_CallFunctionObjArgs((PyObject*)&PySet_Type, ret, NULL); +#else + // official version + setret = PySet_New(ret); +#endif + Py_DECREF(ret); + return setret; + } + return ret; + } + + case T_MAP: { + int32_t len; + int i; + MapTypeArgs parsedargs; + PyObject* ret = NULL; + + if (!parse_map_args(&parsedargs, typeargs)) { + return NULL; + } + + if (!checkTypeByte(input, parsedargs.ktag)) { + return NULL; + } + if (!checkTypeByte(input, parsedargs.vtag)) { + return NULL; + } + + len = readI32(input); + if (!check_ssize_t_32(len)) { + return false; + } + + ret = PyDict_New(); + if (!ret) { + goto error; + } + + for (i = 0; i < len; i++) { + PyObject* k = NULL; + PyObject* v = NULL; + k = decode_val(input, parsedargs.ktag, parsedargs.ktypeargs); + if (k == NULL) { + goto loop_error; + } + v = decode_val(input, parsedargs.vtag, parsedargs.vtypeargs); + if (v == NULL) { + goto loop_error; + } + if (PyDict_SetItem(ret, k, v) == -1) { + goto loop_error; + } + + Py_DECREF(k); + Py_DECREF(v); + continue; + + // Yuck! Destructors, anyone? + loop_error: + Py_XDECREF(k); + Py_XDECREF(v); + goto error; + } + + return ret; + + error: + Py_XDECREF(ret); + return NULL; + } + + case T_STRUCT: { + StructTypeArgs parsedargs; + PyObject* ret; + if (!parse_struct_args(&parsedargs, typeargs)) { + return NULL; + } + + ret = PyObject_CallObject(parsedargs.klass, NULL); + if (!ret) { + return NULL; + } + + if (!decode_struct(input, ret, parsedargs.spec)) { + Py_DECREF(ret); + return NULL; + } + + return ret; + } + + case T_STOP: + case T_VOID: + case T_UTF16: + case T_UTF8: + case T_U64: + default: + PyErr_SetString(PyExc_TypeError, "Unexpected TType"); + return NULL; + } +} + + +/* --- TOP-LEVEL WRAPPER FOR INPUT -- */ + +static PyObject* +decode_binary(PyObject *self, PyObject *args) { + PyObject* output_obj = NULL; + PyObject* transport = NULL; + PyObject* typeargs = NULL; + StructTypeArgs parsedargs; + DecodeBuffer input = {0, 0}; + + if (!PyArg_ParseTuple(args, "OOO", &output_obj, &transport, &typeargs)) { + return NULL; + } + + if (!parse_struct_args(&parsedargs, typeargs)) { + return NULL; + } + + if (!decode_buffer_from_obj(&input, transport)) { + return NULL; + } + + if (!decode_struct(&input, output_obj, parsedargs.spec)) { + free_decodebuf(&input); + return NULL; + } + + free_decodebuf(&input); + + Py_RETURN_NONE; +} + +/* ====== END READING FUNCTIONS ====== */ + + +/* -- PYTHON MODULE SETUP STUFF --- */ + +static PyMethodDef ThriftFastBinaryMethods[] = { + + {"encode_binary", encode_binary, METH_VARARGS, ""}, + {"decode_binary", decode_binary, METH_VARARGS, ""}, + + {NULL, NULL, 0, NULL} /* Sentinel */ +}; + +PyMODINIT_FUNC +initfastbinary(void) { +#define INIT_INTERN_STRING(value) \ + do { \ + INTERN_STRING(value) = PyString_InternFromString(#value); \ + if(!INTERN_STRING(value)) return; \ + } while(0) + + INIT_INTERN_STRING(cstringio_buf); + INIT_INTERN_STRING(cstringio_refill); +#undef INIT_INTERN_STRING + + PycString_IMPORT; + if (PycStringIO == NULL) return; + + (void) Py_InitModule("thrift.protocol.fastbinary", ThriftFastBinaryMethods); +} diff --git a/pyload/lib/thrift/server/THttpServer.py b/pyload/lib/thrift/server/THttpServer.py new file mode 100644 index 000000000..be54bab94 --- /dev/null +++ b/pyload/lib/thrift/server/THttpServer.py @@ -0,0 +1,87 @@ +# +# Licensed to the Apache Software Foundation (ASF) under one +# or more contributor license agreements. See the NOTICE file +# distributed with this work for additional information +# regarding copyright ownership. The ASF licenses this file +# to you under the Apache License, Version 2.0 (the +# "License"); you may not use this file except in compliance +# with the License. You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, +# software distributed under the License is distributed on an +# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY +# KIND, either express or implied. See the License for the +# specific language governing permissions and limitations +# under the License. +# + +import BaseHTTPServer + +from thrift.server import TServer +from thrift.transport import TTransport + + +class ResponseException(Exception): + """Allows handlers to override the HTTP response + + Normally, THttpServer always sends a 200 response. If a handler wants + to override this behavior (e.g., to simulate a misconfigured or + overloaded web server during testing), it can raise a ResponseException. + The function passed to the constructor will be called with the + RequestHandler as its only argument. + """ + def __init__(self, handler): + self.handler = handler + + +class THttpServer(TServer.TServer): + """A simple HTTP-based Thrift server + + This class is not very performant, but it is useful (for example) for + acting as a mock version of an Apache-based PHP Thrift endpoint. + """ + def __init__(self, + processor, + server_address, + inputProtocolFactory, + outputProtocolFactory=None, + server_class=BaseHTTPServer.HTTPServer): + """Set up protocol factories and HTTP server. + + See BaseHTTPServer for server_address. + See TServer for protocol factories. + """ + if outputProtocolFactory is None: + outputProtocolFactory = inputProtocolFactory + + TServer.TServer.__init__(self, processor, None, None, None, + inputProtocolFactory, outputProtocolFactory) + + thttpserver = self + + class RequestHander(BaseHTTPServer.BaseHTTPRequestHandler): + def do_POST(self): + # Don't care about the request path. + itrans = TTransport.TFileObjectTransport(self.rfile) + otrans = TTransport.TFileObjectTransport(self.wfile) + itrans = TTransport.TBufferedTransport( + itrans, int(self.headers['Content-Length'])) + otrans = TTransport.TMemoryBuffer() + iprot = thttpserver.inputProtocolFactory.getProtocol(itrans) + oprot = thttpserver.outputProtocolFactory.getProtocol(otrans) + try: + thttpserver.processor.process(iprot, oprot) + except ResponseException, exn: + exn.handler(self) + else: + self.send_response(200) + self.send_header("content-type", "application/x-thrift") + self.end_headers() + self.wfile.write(otrans.getvalue()) + + self.httpd = server_class(server_address, RequestHander) + + def serve(self): + self.httpd.serve_forever() diff --git a/pyload/lib/thrift/server/TNonblockingServer.py b/pyload/lib/thrift/server/TNonblockingServer.py new file mode 100644 index 000000000..fa478d01f --- /dev/null +++ b/pyload/lib/thrift/server/TNonblockingServer.py @@ -0,0 +1,346 @@ +# +# Licensed to the Apache Software Foundation (ASF) under one +# or more contributor license agreements. See the NOTICE file +# distributed with this work for additional information +# regarding copyright ownership. The ASF licenses this file +# to you under the Apache License, Version 2.0 (the +# "License"); you may not use this file except in compliance +# with the License. You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, +# software distributed under the License is distributed on an +# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY +# KIND, either express or implied. See the License for the +# specific language governing permissions and limitations +# under the License. +# +"""Implementation of non-blocking server. + +The main idea of the server is to receive and send requests +only from the main thread. + +The thread poool should be sized for concurrent tasks, not +maximum connections +""" +import threading +import socket +import Queue +import select +import struct +import logging + +from thrift.transport import TTransport +from thrift.protocol.TBinaryProtocol import TBinaryProtocolFactory + +__all__ = ['TNonblockingServer'] + + +class Worker(threading.Thread): + """Worker is a small helper to process incoming connection.""" + + def __init__(self, queue): + threading.Thread.__init__(self) + self.queue = queue + + def run(self): + """Process queries from task queue, stop if processor is None.""" + while True: + try: + processor, iprot, oprot, otrans, callback = self.queue.get() + if processor is None: + break + processor.process(iprot, oprot) + callback(True, otrans.getvalue()) + except Exception: + logging.exception("Exception while processing request") + callback(False, '') + +WAIT_LEN = 0 +WAIT_MESSAGE = 1 +WAIT_PROCESS = 2 +SEND_ANSWER = 3 +CLOSED = 4 + + +def locked(func): + """Decorator which locks self.lock.""" + def nested(self, *args, **kwargs): + self.lock.acquire() + try: + return func(self, *args, **kwargs) + finally: + self.lock.release() + return nested + + +def socket_exception(func): + """Decorator close object on socket.error.""" + def read(self, *args, **kwargs): + try: + return func(self, *args, **kwargs) + except socket.error: + self.close() + return read + + +class Connection: + """Basic class is represented connection. + + It can be in state: + WAIT_LEN --- connection is reading request len. + WAIT_MESSAGE --- connection is reading request. + WAIT_PROCESS --- connection has just read whole request and + waits for call ready routine. + SEND_ANSWER --- connection is sending answer string (including length + of answer). + CLOSED --- socket was closed and connection should be deleted. + """ + def __init__(self, new_socket, wake_up): + self.socket = new_socket + self.socket.setblocking(False) + self.status = WAIT_LEN + self.len = 0 + self.message = '' + self.lock = threading.Lock() + self.wake_up = wake_up + + def _read_len(self): + """Reads length of request. + + It's a safer alternative to self.socket.recv(4) + """ + read = self.socket.recv(4 - len(self.message)) + if len(read) == 0: + # if we read 0 bytes and self.message is empty, then + # the client closed the connection + if len(self.message) != 0: + logging.error("can't read frame size from socket") + self.close() + return + self.message += read + if len(self.message) == 4: + self.len, = struct.unpack('!i', self.message) + if self.len < 0: + logging.error("negative frame size, it seems client " + "doesn't use FramedTransport") + self.close() + elif self.len == 0: + logging.error("empty frame, it's really strange") + self.close() + else: + self.message = '' + self.status = WAIT_MESSAGE + + @socket_exception + def read(self): + """Reads data from stream and switch state.""" + assert self.status in (WAIT_LEN, WAIT_MESSAGE) + if self.status == WAIT_LEN: + self._read_len() + # go back to the main loop here for simplicity instead of + # falling through, even though there is a good chance that + # the message is already available + elif self.status == WAIT_MESSAGE: + read = self.socket.recv(self.len - len(self.message)) + if len(read) == 0: + logging.error("can't read frame from socket (get %d of " + "%d bytes)" % (len(self.message), self.len)) + self.close() + return + self.message += read + if len(self.message) == self.len: + self.status = WAIT_PROCESS + + @socket_exception + def write(self): + """Writes data from socket and switch state.""" + assert self.status == SEND_ANSWER + sent = self.socket.send(self.message) + if sent == len(self.message): + self.status = WAIT_LEN + self.message = '' + self.len = 0 + else: + self.message = self.message[sent:] + + @locked + def ready(self, all_ok, message): + """Callback function for switching state and waking up main thread. + + This function is the only function witch can be called asynchronous. + + The ready can switch Connection to three states: + WAIT_LEN if request was oneway. + SEND_ANSWER if request was processed in normal way. + CLOSED if request throws unexpected exception. + + The one wakes up main thread. + """ + assert self.status == WAIT_PROCESS + if not all_ok: + self.close() + self.wake_up() + return + self.len = '' + if len(message) == 0: + # it was a oneway request, do not write answer + self.message = '' + self.status = WAIT_LEN + else: + self.message = struct.pack('!i', len(message)) + message + self.status = SEND_ANSWER + self.wake_up() + + @locked + def is_writeable(self): + """Return True if connection should be added to write list of select""" + return self.status == SEND_ANSWER + + # it's not necessary, but... + @locked + def is_readable(self): + """Return True if connection should be added to read list of select""" + return self.status in (WAIT_LEN, WAIT_MESSAGE) + + @locked + def is_closed(self): + """Returns True if connection is closed.""" + return self.status == CLOSED + + def fileno(self): + """Returns the file descriptor of the associated socket.""" + return self.socket.fileno() + + def close(self): + """Closes connection""" + self.status = CLOSED + self.socket.close() + + +class TNonblockingServer: + """Non-blocking server.""" + + def __init__(self, + processor, + lsocket, + inputProtocolFactory=None, + outputProtocolFactory=None, + threads=10): + self.processor = processor + self.socket = lsocket + self.in_protocol = inputProtocolFactory or TBinaryProtocolFactory() + self.out_protocol = outputProtocolFactory or self.in_protocol + self.threads = int(threads) + self.clients = {} + self.tasks = Queue.Queue() + self._read, self._write = socket.socketpair() + self.prepared = False + self._stop = False + + def setNumThreads(self, num): + """Set the number of worker threads that should be created.""" + # implement ThreadPool interface + assert not self.prepared, "Can't change number of threads after start" + self.threads = num + + def prepare(self): + """Prepares server for serve requests.""" + if self.prepared: + return + self.socket.listen() + for _ in xrange(self.threads): + thread = Worker(self.tasks) + thread.setDaemon(True) + thread.start() + self.prepared = True + + def wake_up(self): + """Wake up main thread. + + The server usualy waits in select call in we should terminate one. + The simplest way is using socketpair. + + Select always wait to read from the first socket of socketpair. + + In this case, we can just write anything to the second socket from + socketpair. + """ + self._write.send('1') + + def stop(self): + """Stop the server. + + This method causes the serve() method to return. stop() may be invoked + from within your handler, or from another thread. + + After stop() is called, serve() will return but the server will still + be listening on the socket. serve() may then be called again to resume + processing requests. Alternatively, close() may be called after + serve() returns to close the server socket and shutdown all worker + threads. + """ + self._stop = True + self.wake_up() + + def _select(self): + """Does select on open connections.""" + readable = [self.socket.handle.fileno(), self._read.fileno()] + writable = [] + for i, connection in self.clients.items(): + if connection.is_readable(): + readable.append(connection.fileno()) + if connection.is_writeable(): + writable.append(connection.fileno()) + if connection.is_closed(): + del self.clients[i] + return select.select(readable, writable, readable) + + def handle(self): + """Handle requests. + + WARNING! You must call prepare() BEFORE calling handle() + """ + assert self.prepared, "You have to call prepare before handle" + rset, wset, xset = self._select() + for readable in rset: + if readable == self._read.fileno(): + # don't care i just need to clean readable flag + self._read.recv(1024) + elif readable == self.socket.handle.fileno(): + client = self.socket.accept().handle + self.clients[client.fileno()] = Connection(client, + self.wake_up) + else: + connection = self.clients[readable] + connection.read() + if connection.status == WAIT_PROCESS: + itransport = TTransport.TMemoryBuffer(connection.message) + otransport = TTransport.TMemoryBuffer() + iprot = self.in_protocol.getProtocol(itransport) + oprot = self.out_protocol.getProtocol(otransport) + self.tasks.put([self.processor, iprot, oprot, + otransport, connection.ready]) + for writeable in wset: + self.clients[writeable].write() + for oob in xset: + self.clients[oob].close() + del self.clients[oob] + + def close(self): + """Closes the server.""" + for _ in xrange(self.threads): + self.tasks.put([None, None, None, None, None]) + self.socket.close() + self.prepared = False + + def serve(self): + """Serve requests. + + Serve requests forever, or until stop() is called. + """ + self._stop = False + self.prepare() + while not self._stop: + self.handle() diff --git a/pyload/lib/thrift/server/TProcessPoolServer.py b/pyload/lib/thrift/server/TProcessPoolServer.py new file mode 100644 index 000000000..7a695a883 --- /dev/null +++ b/pyload/lib/thrift/server/TProcessPoolServer.py @@ -0,0 +1,118 @@ +# +# Licensed to the Apache Software Foundation (ASF) under one +# or more contributor license agreements. See the NOTICE file +# distributed with this work for additional information +# regarding copyright ownership. The ASF licenses this file +# to you under the Apache License, Version 2.0 (the +# "License"); you may not use this file except in compliance +# with the License. You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, +# software distributed under the License is distributed on an +# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY +# KIND, either express or implied. See the License for the +# specific language governing permissions and limitations +# under the License. +# + + +import logging +from multiprocessing import Process, Value, Condition, reduction + +from TServer import TServer +from thrift.transport.TTransport import TTransportException + + +class TProcessPoolServer(TServer): + """Server with a fixed size pool of worker subprocesses to service requests + + Note that if you need shared state between the handlers - it's up to you! + Written by Dvir Volk, doat.com + """ + def __init__(self, *args): + TServer.__init__(self, *args) + self.numWorkers = 10 + self.workers = [] + self.isRunning = Value('b', False) + self.stopCondition = Condition() + self.postForkCallback = None + + def setPostForkCallback(self, callback): + if not callable(callback): + raise TypeError("This is not a callback!") + self.postForkCallback = callback + + def setNumWorkers(self, num): + """Set the number of worker threads that should be created""" + self.numWorkers = num + + def workerProcess(self): + """Loop getting clients from the shared queue and process them""" + if self.postForkCallback: + self.postForkCallback() + + while self.isRunning.value: + try: + client = self.serverTransport.accept() + self.serveClient(client) + except (KeyboardInterrupt, SystemExit): + return 0 + except Exception, x: + logging.exception(x) + + def serveClient(self, client): + """Process input/output from a client for as long as possible""" + itrans = self.inputTransportFactory.getTransport(client) + otrans = self.outputTransportFactory.getTransport(client) + iprot = self.inputProtocolFactory.getProtocol(itrans) + oprot = self.outputProtocolFactory.getProtocol(otrans) + + try: + while True: + self.processor.process(iprot, oprot) + except TTransportException, tx: + pass + except Exception, x: + logging.exception(x) + + itrans.close() + otrans.close() + + def serve(self): + """Start workers and put into queue""" + # this is a shared state that can tell the workers to exit when False + self.isRunning.value = True + + # first bind and listen to the port + self.serverTransport.listen() + + # fork the children + for i in range(self.numWorkers): + try: + w = Process(target=self.workerProcess) + w.daemon = True + w.start() + self.workers.append(w) + except Exception, x: + logging.exception(x) + + # wait until the condition is set by stop() + while True: + self.stopCondition.acquire() + try: + self.stopCondition.wait() + break + except (SystemExit, KeyboardInterrupt): + break + except Exception, x: + logging.exception(x) + + self.isRunning.value = False + + def stop(self): + self.isRunning.value = False + self.stopCondition.acquire() + self.stopCondition.notify() + self.stopCondition.release() diff --git a/pyload/lib/thrift/server/TServer.py b/pyload/lib/thrift/server/TServer.py new file mode 100644 index 000000000..2f24842c4 --- /dev/null +++ b/pyload/lib/thrift/server/TServer.py @@ -0,0 +1,269 @@ +# +# Licensed to the Apache Software Foundation (ASF) under one +# or more contributor license agreements. See the NOTICE file +# distributed with this work for additional information +# regarding copyright ownership. The ASF licenses this file +# to you under the Apache License, Version 2.0 (the +# "License"); you may not use this file except in compliance +# with the License. You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, +# software distributed under the License is distributed on an +# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY +# KIND, either express or implied. See the License for the +# specific language governing permissions and limitations +# under the License. +# + +import Queue +import logging +import os +import sys +import threading +import traceback + +from thrift.Thrift import TProcessor +from thrift.protocol import TBinaryProtocol +from thrift.transport import TTransport + + +class TServer: + """Base interface for a server, which must have a serve() method. + + Three constructors for all servers: + 1) (processor, serverTransport) + 2) (processor, serverTransport, transportFactory, protocolFactory) + 3) (processor, serverTransport, + inputTransportFactory, outputTransportFactory, + inputProtocolFactory, outputProtocolFactory) + """ + def __init__(self, *args): + if (len(args) == 2): + self.__initArgs__(args[0], args[1], + TTransport.TTransportFactoryBase(), + TTransport.TTransportFactoryBase(), + TBinaryProtocol.TBinaryProtocolFactory(), + TBinaryProtocol.TBinaryProtocolFactory()) + elif (len(args) == 4): + self.__initArgs__(args[0], args[1], args[2], args[2], args[3], args[3]) + elif (len(args) == 6): + self.__initArgs__(args[0], args[1], args[2], args[3], args[4], args[5]) + + def __initArgs__(self, processor, serverTransport, + inputTransportFactory, outputTransportFactory, + inputProtocolFactory, outputProtocolFactory): + self.processor = processor + self.serverTransport = serverTransport + self.inputTransportFactory = inputTransportFactory + self.outputTransportFactory = outputTransportFactory + self.inputProtocolFactory = inputProtocolFactory + self.outputProtocolFactory = outputProtocolFactory + + def serve(self): + pass + + +class TSimpleServer(TServer): + """Simple single-threaded server that just pumps around one transport.""" + + def __init__(self, *args): + TServer.__init__(self, *args) + + def serve(self): + self.serverTransport.listen() + while True: + client = self.serverTransport.accept() + itrans = self.inputTransportFactory.getTransport(client) + otrans = self.outputTransportFactory.getTransport(client) + iprot = self.inputProtocolFactory.getProtocol(itrans) + oprot = self.outputProtocolFactory.getProtocol(otrans) + try: + while True: + self.processor.process(iprot, oprot) + except TTransport.TTransportException, tx: + pass + except Exception, x: + logging.exception(x) + + itrans.close() + otrans.close() + + +class TThreadedServer(TServer): + """Threaded server that spawns a new thread per each connection.""" + + def __init__(self, *args, **kwargs): + TServer.__init__(self, *args) + self.daemon = kwargs.get("daemon", False) + + def serve(self): + self.serverTransport.listen() + while True: + try: + client = self.serverTransport.accept() + t = threading.Thread(target=self.handle, args=(client,)) + t.setDaemon(self.daemon) + t.start() + except KeyboardInterrupt: + raise + except Exception, x: + logging.exception(x) + + def handle(self, client): + itrans = self.inputTransportFactory.getTransport(client) + otrans = self.outputTransportFactory.getTransport(client) + iprot = self.inputProtocolFactory.getProtocol(itrans) + oprot = self.outputProtocolFactory.getProtocol(otrans) + try: + while True: + self.processor.process(iprot, oprot) + except TTransport.TTransportException, tx: + pass + except Exception, x: + logging.exception(x) + + itrans.close() + otrans.close() + + +class TThreadPoolServer(TServer): + """Server with a fixed size pool of threads which service requests.""" + + def __init__(self, *args, **kwargs): + TServer.__init__(self, *args) + self.clients = Queue.Queue() + self.threads = 10 + self.daemon = kwargs.get("daemon", False) + + def setNumThreads(self, num): + """Set the number of worker threads that should be created""" + self.threads = num + + def serveThread(self): + """Loop around getting clients from the shared queue and process them.""" + while True: + try: + client = self.clients.get() + self.serveClient(client) + except Exception, x: + logging.exception(x) + + def serveClient(self, client): + """Process input/output from a client for as long as possible""" + itrans = self.inputTransportFactory.getTransport(client) + otrans = self.outputTransportFactory.getTransport(client) + iprot = self.inputProtocolFactory.getProtocol(itrans) + oprot = self.outputProtocolFactory.getProtocol(otrans) + try: + while True: + self.processor.process(iprot, oprot) + except TTransport.TTransportException, tx: + pass + except Exception, x: + logging.exception(x) + + itrans.close() + otrans.close() + + def serve(self): + """Start a fixed number of worker threads and put client into a queue""" + for i in range(self.threads): + try: + t = threading.Thread(target=self.serveThread) + t.setDaemon(self.daemon) + t.start() + except Exception, x: + logging.exception(x) + + # Pump the socket for clients + self.serverTransport.listen() + while True: + try: + client = self.serverTransport.accept() + self.clients.put(client) + except Exception, x: + logging.exception(x) + + +class TForkingServer(TServer): + """A Thrift server that forks a new process for each request + + This is more scalable than the threaded server as it does not cause + GIL contention. + + Note that this has different semantics from the threading server. + Specifically, updates to shared variables will no longer be shared. + It will also not work on windows. + + This code is heavily inspired by SocketServer.ForkingMixIn in the + Python stdlib. + """ + def __init__(self, *args): + TServer.__init__(self, *args) + self.children = [] + + def serve(self): + def try_close(file): + try: + file.close() + except IOError, e: + logging.warning(e, exc_info=True) + + self.serverTransport.listen() + while True: + client = self.serverTransport.accept() + try: + pid = os.fork() + + if pid: # parent + # add before collect, otherwise you race w/ waitpid + self.children.append(pid) + self.collect_children() + + # Parent must close socket or the connection may not get + # closed promptly + itrans = self.inputTransportFactory.getTransport(client) + otrans = self.outputTransportFactory.getTransport(client) + try_close(itrans) + try_close(otrans) + else: + itrans = self.inputTransportFactory.getTransport(client) + otrans = self.outputTransportFactory.getTransport(client) + + iprot = self.inputProtocolFactory.getProtocol(itrans) + oprot = self.outputProtocolFactory.getProtocol(otrans) + + ecode = 0 + try: + try: + while True: + self.processor.process(iprot, oprot) + except TTransport.TTransportException, tx: + pass + except Exception, e: + logging.exception(e) + ecode = 1 + finally: + try_close(itrans) + try_close(otrans) + + os._exit(ecode) + + except TTransport.TTransportException, tx: + pass + except Exception, x: + logging.exception(x) + + def collect_children(self): + while self.children: + try: + pid, status = os.waitpid(0, os.WNOHANG) + except os.error: + pid = None + + if pid: + self.children.remove(pid) + else: + break diff --git a/pyload/lib/thrift/server/__init__.py b/pyload/lib/thrift/server/__init__.py new file mode 100644 index 000000000..1bf6e254e --- /dev/null +++ b/pyload/lib/thrift/server/__init__.py @@ -0,0 +1,20 @@ +# +# Licensed to the Apache Software Foundation (ASF) under one +# or more contributor license agreements. See the NOTICE file +# distributed with this work for additional information +# regarding copyright ownership. The ASF licenses this file +# to you under the Apache License, Version 2.0 (the +# "License"); you may not use this file except in compliance +# with the License. You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, +# software distributed under the License is distributed on an +# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY +# KIND, either express or implied. See the License for the +# specific language governing permissions and limitations +# under the License. +# + +__all__ = ['TServer', 'TNonblockingServer'] diff --git a/pyload/lib/thrift/transport/THttpClient.py b/pyload/lib/thrift/transport/THttpClient.py new file mode 100644 index 000000000..ea80a1ae8 --- /dev/null +++ b/pyload/lib/thrift/transport/THttpClient.py @@ -0,0 +1,149 @@ +# +# Licensed to the Apache Software Foundation (ASF) under one +# or more contributor license agreements. See the NOTICE file +# distributed with this work for additional information +# regarding copyright ownership. The ASF licenses this file +# to you under the Apache License, Version 2.0 (the +# "License"); you may not use this file except in compliance +# with the License. You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, +# software distributed under the License is distributed on an +# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY +# KIND, either express or implied. See the License for the +# specific language governing permissions and limitations +# under the License. +# + +import httplib +import os +import socket +import sys +import urllib +import urlparse +import warnings + +from cStringIO import StringIO + +from TTransport import * + + +class THttpClient(TTransportBase): + """Http implementation of TTransport base.""" + + def __init__(self, uri_or_host, port=None, path=None): + """THttpClient supports two different types constructor parameters. + + THttpClient(host, port, path) - deprecated + THttpClient(uri) + + Only the second supports https. + """ + if port is not None: + warnings.warn( + "Please use the THttpClient('http://host:port/path') syntax", + DeprecationWarning, + stacklevel=2) + self.host = uri_or_host + self.port = port + assert path + self.path = path + self.scheme = 'http' + else: + parsed = urlparse.urlparse(uri_or_host) + self.scheme = parsed.scheme + assert self.scheme in ('http', 'https') + if self.scheme == 'http': + self.port = parsed.port or httplib.HTTP_PORT + elif self.scheme == 'https': + self.port = parsed.port or httplib.HTTPS_PORT + self.host = parsed.hostname + self.path = parsed.path + if parsed.query: + self.path += '?%s' % parsed.query + self.__wbuf = StringIO() + self.__http = None + self.__timeout = None + self.__custom_headers = None + + def open(self): + if self.scheme == 'http': + self.__http = httplib.HTTP(self.host, self.port) + else: + self.__http = httplib.HTTPS(self.host, self.port) + + def close(self): + self.__http.close() + self.__http = None + + def isOpen(self): + return self.__http is not None + + def setTimeout(self, ms): + if not hasattr(socket, 'getdefaulttimeout'): + raise NotImplementedError + + if ms is None: + self.__timeout = None + else: + self.__timeout = ms / 1000.0 + + def setCustomHeaders(self, headers): + self.__custom_headers = headers + + def read(self, sz): + return self.__http.file.read(sz) + + def write(self, buf): + self.__wbuf.write(buf) + + def __withTimeout(f): + def _f(*args, **kwargs): + orig_timeout = socket.getdefaulttimeout() + socket.setdefaulttimeout(args[0].__timeout) + result = f(*args, **kwargs) + socket.setdefaulttimeout(orig_timeout) + return result + return _f + + def flush(self): + if self.isOpen(): + self.close() + self.open() + + # Pull data out of buffer + data = self.__wbuf.getvalue() + self.__wbuf = StringIO() + + # HTTP request + self.__http.putrequest('POST', self.path) + + # Write headers + self.__http.putheader('Host', self.host) + self.__http.putheader('Content-Type', 'application/x-thrift') + self.__http.putheader('Content-Length', str(len(data))) + + if not self.__custom_headers or 'User-Agent' not in self.__custom_headers: + user_agent = 'Python/THttpClient' + script = os.path.basename(sys.argv[0]) + if script: + user_agent = '%s (%s)' % (user_agent, urllib.quote(script)) + self.__http.putheader('User-Agent', user_agent) + + if self.__custom_headers: + for key, val in self.__custom_headers.iteritems(): + self.__http.putheader(key, val) + + self.__http.endheaders() + + # Write payload + self.__http.send(data) + + # Get reply to flush the request + self.code, self.message, self.headers = self.__http.getreply() + + # Decorate if we know how to timeout + if hasattr(socket, 'getdefaulttimeout'): + flush = __withTimeout(flush) diff --git a/pyload/lib/thrift/transport/TSSLSocket.py b/pyload/lib/thrift/transport/TSSLSocket.py new file mode 100644 index 000000000..81e098426 --- /dev/null +++ b/pyload/lib/thrift/transport/TSSLSocket.py @@ -0,0 +1,214 @@ +# +# Licensed to the Apache Software Foundation (ASF) under one +# or more contributor license agreements. See the NOTICE file +# distributed with this work for additional information +# regarding copyright ownership. The ASF licenses this file +# to you under the Apache License, Version 2.0 (the +# "License"); you may not use this file except in compliance +# with the License. You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, +# software distributed under the License is distributed on an +# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY +# KIND, either express or implied. See the License for the +# specific language governing permissions and limitations +# under the License. +# + +import os +import socket +import ssl + +from thrift.transport import TSocket +from thrift.transport.TTransport import TTransportException + + +class TSSLSocket(TSocket.TSocket): + """ + SSL implementation of client-side TSocket + + This class creates outbound sockets wrapped using the + python standard ssl module for encrypted connections. + + The protocol used is set using the class variable + SSL_VERSION, which must be one of ssl.PROTOCOL_* and + defaults to ssl.PROTOCOL_TLSv1 for greatest security. + """ + SSL_VERSION = ssl.PROTOCOL_TLSv1 + + def __init__(self, + host='localhost', + port=9090, + validate=True, + ca_certs=None, + keyfile=None, + certfile=None, + unix_socket=None): + """Create SSL TSocket + + @param validate: Set to False to disable SSL certificate validation + @type validate: bool + @param ca_certs: Filename to the Certificate Authority pem file, possibly a + file downloaded from: http://curl.haxx.se/ca/cacert.pem This is passed to + the ssl_wrap function as the 'ca_certs' parameter. + @type ca_certs: str + @param keyfile: The private key + @type keyfile: str + @param certfile: The cert file + @type certfile: str + + Raises an IOError exception if validate is True and the ca_certs file is + None, not present or unreadable. + """ + self.validate = validate + self.is_valid = False + self.peercert = None + if not validate: + self.cert_reqs = ssl.CERT_NONE + else: + self.cert_reqs = ssl.CERT_REQUIRED + self.ca_certs = ca_certs + self.keyfile = keyfile + self.certfile = certfile + if validate: + if ca_certs is None or not os.access(ca_certs, os.R_OK): + raise IOError('Certificate Authority ca_certs file "%s" ' + 'is not readable, cannot validate SSL ' + 'certificates.' % (ca_certs)) + TSocket.TSocket.__init__(self, host, port, unix_socket) + + def open(self): + try: + res0 = self._resolveAddr() + for res in res0: + sock_family, sock_type = res[0:2] + ip_port = res[4] + plain_sock = socket.socket(sock_family, sock_type) + self.handle = ssl.wrap_socket(plain_sock, + ssl_version=self.SSL_VERSION, + do_handshake_on_connect=True, + ca_certs=self.ca_certs, + keyfile=self.keyfile, + certfile=self.certfile, + cert_reqs=self.cert_reqs) + self.handle.settimeout(self._timeout) + try: + self.handle.connect(ip_port) + except socket.error, e: + if res is not res0[-1]: + continue + else: + raise e + break + except socket.error, e: + if self._unix_socket: + message = 'Could not connect to secure socket %s: %s' \ + % (self._unix_socket, e) + else: + message = 'Could not connect to %s:%d: %s' % (self.host, self.port, e) + raise TTransportException(type=TTransportException.NOT_OPEN, + message=message) + if self.validate: + self._validate_cert() + + def _validate_cert(self): + """internal method to validate the peer's SSL certificate, and to check the + commonName of the certificate to ensure it matches the hostname we + used to make this connection. Does not support subjectAltName records + in certificates. + + raises TTransportException if the certificate fails validation. + """ + cert = self.handle.getpeercert() + self.peercert = cert + if 'subject' not in cert: + raise TTransportException( + type=TTransportException.NOT_OPEN, + message='No SSL certificate found from %s:%s' % (self.host, self.port)) + fields = cert['subject'] + for field in fields: + # ensure structure we get back is what we expect + if not isinstance(field, tuple): + continue + cert_pair = field[0] + if len(cert_pair) < 2: + continue + cert_key, cert_value = cert_pair[0:2] + if cert_key != 'commonName': + continue + certhost = cert_value + # this check should be performed by some sort of Access Manager + if certhost == self.host: + # success, cert commonName matches desired hostname + self.is_valid = True + return + else: + raise TTransportException( + type=TTransportException.UNKNOWN, + message='Hostname we connected to "%s" doesn\'t match certificate ' + 'provided commonName "%s"' % (self.host, certhost)) + raise TTransportException( + type=TTransportException.UNKNOWN, + message='Could not validate SSL certificate from ' + 'host "%s". Cert=%s' % (self.host, cert)) + + +class TSSLServerSocket(TSocket.TServerSocket): + """SSL implementation of TServerSocket + + This uses the ssl module's wrap_socket() method to provide SSL + negotiated encryption. + """ + SSL_VERSION = ssl.PROTOCOL_TLSv1 + + def __init__(self, + host=None, + port=9090, + certfile='cert.pem', + unix_socket=None): + """Initialize a TSSLServerSocket + + @param certfile: filename of the server certificate, defaults to cert.pem + @type certfile: str + @param host: The hostname or IP to bind the listen socket to, + i.e. 'localhost' for only allowing local network connections. + Pass None to bind to all interfaces. + @type host: str + @param port: The port to listen on for inbound connections. + @type port: int + """ + self.setCertfile(certfile) + TSocket.TServerSocket.__init__(self, host, port) + + def setCertfile(self, certfile): + """Set or change the server certificate file used to wrap new connections. + + @param certfile: The filename of the server certificate, + i.e. '/etc/certs/server.pem' + @type certfile: str + + Raises an IOError exception if the certfile is not present or unreadable. + """ + if not os.access(certfile, os.R_OK): + raise IOError('No such certfile found: %s' % (certfile)) + self.certfile = certfile + + def accept(self): + plain_client, addr = self.handle.accept() + try: + client = ssl.wrap_socket(plain_client, certfile=self.certfile, + server_side=True, ssl_version=self.SSL_VERSION) + except ssl.SSLError, ssl_exc: + # failed handshake/ssl wrap, close socket to client + plain_client.close() + # raise ssl_exc + # We can't raise the exception, because it kills most TServer derived + # serve() methods. + # Instead, return None, and let the TServer instance deal with it in + # other exception handling. (but TSimpleServer dies anyway) + return None + result = TSocket.TSocket() + result.setHandle(client) + return result diff --git a/pyload/lib/thrift/transport/TSocket.py b/pyload/lib/thrift/transport/TSocket.py new file mode 100644 index 000000000..9e2b3849b --- /dev/null +++ b/pyload/lib/thrift/transport/TSocket.py @@ -0,0 +1,176 @@ +# +# Licensed to the Apache Software Foundation (ASF) under one +# or more contributor license agreements. See the NOTICE file +# distributed with this work for additional information +# regarding copyright ownership. The ASF licenses this file +# to you under the Apache License, Version 2.0 (the +# "License"); you may not use this file except in compliance +# with the License. You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, +# software distributed under the License is distributed on an +# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY +# KIND, either express or implied. See the License for the +# specific language governing permissions and limitations +# under the License. +# + +import errno +import os +import socket +import sys + +from TTransport import * + + +class TSocketBase(TTransportBase): + def _resolveAddr(self): + if self._unix_socket is not None: + return [(socket.AF_UNIX, socket.SOCK_STREAM, None, None, + self._unix_socket)] + else: + return socket.getaddrinfo(self.host, + self.port, + socket.AF_UNSPEC, + socket.SOCK_STREAM, + 0, + socket.AI_PASSIVE | socket.AI_ADDRCONFIG) + + def close(self): + if self.handle: + self.handle.close() + self.handle = None + + +class TSocket(TSocketBase): + """Socket implementation of TTransport base.""" + + def __init__(self, host='localhost', port=9090, unix_socket=None): + """Initialize a TSocket + + @param host(str) The host to connect to. + @param port(int) The (TCP) port to connect to. + @param unix_socket(str) The filename of a unix socket to connect to. + (host and port will be ignored.) + """ + self.host = host + self.port = port + self.handle = None + self._unix_socket = unix_socket + self._timeout = None + + def setHandle(self, h): + self.handle = h + + def isOpen(self): + return self.handle is not None + + def setTimeout(self, ms): + if ms is None: + self._timeout = None + else: + self._timeout = ms / 1000.0 + + if self.handle is not None: + self.handle.settimeout(self._timeout) + + def open(self): + try: + res0 = self._resolveAddr() + for res in res0: + self.handle = socket.socket(res[0], res[1]) + self.handle.settimeout(self._timeout) + try: + self.handle.connect(res[4]) + except socket.error, e: + if res is not res0[-1]: + continue + else: + raise e + break + except socket.error, e: + if self._unix_socket: + message = 'Could not connect to socket %s' % self._unix_socket + else: + message = 'Could not connect to %s:%d' % (self.host, self.port) + raise TTransportException(type=TTransportException.NOT_OPEN, + message=message) + + def read(self, sz): + try: + buff = self.handle.recv(sz) + except socket.error, e: + if (e.args[0] == errno.ECONNRESET and + (sys.platform == 'darwin' or sys.platform.startswith('freebsd'))): + # freebsd and Mach don't follow POSIX semantic of recv + # and fail with ECONNRESET if peer performed shutdown. + # See corresponding comment and code in TSocket::read() + # in lib/cpp/src/transport/TSocket.cpp. + self.close() + # Trigger the check to raise the END_OF_FILE exception below. + buff = '' + else: + raise + if len(buff) == 0: + raise TTransportException(type=TTransportException.END_OF_FILE, + message='TSocket read 0 bytes') + return buff + + def write(self, buff): + if not self.handle: + raise TTransportException(type=TTransportException.NOT_OPEN, + message='Transport not open') + sent = 0 + have = len(buff) + while sent < have: + plus = self.handle.send(buff) + if plus == 0: + raise TTransportException(type=TTransportException.END_OF_FILE, + message='TSocket sent 0 bytes') + sent += plus + buff = buff[plus:] + + def flush(self): + pass + + +class TServerSocket(TSocketBase, TServerTransportBase): + """Socket implementation of TServerTransport base.""" + + def __init__(self, host=None, port=9090, unix_socket=None): + self.host = host + self.port = port + self._unix_socket = unix_socket + self.handle = None + + def listen(self): + res0 = self._resolveAddr() + for res in res0: + if res[0] is socket.AF_INET6 or res is res0[-1]: + break + + # We need remove the old unix socket if the file exists and + # nobody is listening on it. + if self._unix_socket: + tmp = socket.socket(res[0], res[1]) + try: + tmp.connect(res[4]) + except socket.error, err: + eno, message = err.args + if eno == errno.ECONNREFUSED: + os.unlink(res[4]) + + self.handle = socket.socket(res[0], res[1]) + self.handle.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1) + if hasattr(self.handle, 'settimeout'): + self.handle.settimeout(None) + self.handle.bind(res[4]) + self.handle.listen(128) + + def accept(self): + client, addr = self.handle.accept() + result = TSocket() + result.setHandle(client) + return result diff --git a/pyload/lib/thrift/transport/TTransport.py b/pyload/lib/thrift/transport/TTransport.py new file mode 100644 index 000000000..4481371a6 --- /dev/null +++ b/pyload/lib/thrift/transport/TTransport.py @@ -0,0 +1,330 @@ +# +# Licensed to the Apache Software Foundation (ASF) under one +# or more contributor license agreements. See the NOTICE file +# distributed with this work for additional information +# regarding copyright ownership. The ASF licenses this file +# to you under the Apache License, Version 2.0 (the +# "License"); you may not use this file except in compliance +# with the License. You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, +# software distributed under the License is distributed on an +# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY +# KIND, either express or implied. See the License for the +# specific language governing permissions and limitations +# under the License. +# + +from cStringIO import StringIO +from struct import pack, unpack +from thrift.Thrift import TException + + +class TTransportException(TException): + """Custom Transport Exception class""" + + UNKNOWN = 0 + NOT_OPEN = 1 + ALREADY_OPEN = 2 + TIMED_OUT = 3 + END_OF_FILE = 4 + + def __init__(self, type=UNKNOWN, message=None): + TException.__init__(self, message) + self.type = type + + +class TTransportBase: + """Base class for Thrift transport layer.""" + + def isOpen(self): + pass + + def open(self): + pass + + def close(self): + pass + + def read(self, sz): + pass + + def readAll(self, sz): + buff = '' + have = 0 + while (have < sz): + chunk = self.read(sz - have) + have += len(chunk) + buff += chunk + + if len(chunk) == 0: + raise EOFError() + + return buff + + def write(self, buf): + pass + + def flush(self): + pass + + +# This class should be thought of as an interface. +class CReadableTransport: + """base class for transports that are readable from C""" + + # TODO(dreiss): Think about changing this interface to allow us to use + # a (Python, not c) StringIO instead, because it allows + # you to write after reading. + + # NOTE: This is a classic class, so properties will NOT work + # correctly for setting. + @property + def cstringio_buf(self): + """A cStringIO buffer that contains the current chunk we are reading.""" + pass + + def cstringio_refill(self, partialread, reqlen): + """Refills cstringio_buf. + + Returns the currently used buffer (which can but need not be the same as + the old cstringio_buf). partialread is what the C code has read from the + buffer, and should be inserted into the buffer before any more reads. The + return value must be a new, not borrowed reference. Something along the + lines of self._buf should be fine. + + If reqlen bytes can't be read, throw EOFError. + """ + pass + + +class TServerTransportBase: + """Base class for Thrift server transports.""" + + def listen(self): + pass + + def accept(self): + pass + + def close(self): + pass + + +class TTransportFactoryBase: + """Base class for a Transport Factory""" + + def getTransport(self, trans): + return trans + + +class TBufferedTransportFactory: + """Factory transport that builds buffered transports""" + + def getTransport(self, trans): + buffered = TBufferedTransport(trans) + return buffered + + +class TBufferedTransport(TTransportBase, CReadableTransport): + """Class that wraps another transport and buffers its I/O. + + The implementation uses a (configurable) fixed-size read buffer + but buffers all writes until a flush is performed. + """ + DEFAULT_BUFFER = 4096 + + def __init__(self, trans, rbuf_size=DEFAULT_BUFFER): + self.__trans = trans + self.__wbuf = StringIO() + self.__rbuf = StringIO("") + self.__rbuf_size = rbuf_size + + def isOpen(self): + return self.__trans.isOpen() + + def open(self): + return self.__trans.open() + + def close(self): + return self.__trans.close() + + def read(self, sz): + ret = self.__rbuf.read(sz) + if len(ret) != 0: + return ret + + self.__rbuf = StringIO(self.__trans.read(max(sz, self.__rbuf_size))) + return self.__rbuf.read(sz) + + def write(self, buf): + self.__wbuf.write(buf) + + def flush(self): + out = self.__wbuf.getvalue() + # reset wbuf before write/flush to preserve state on underlying failure + self.__wbuf = StringIO() + self.__trans.write(out) + self.__trans.flush() + + # Implement the CReadableTransport interface. + @property + def cstringio_buf(self): + return self.__rbuf + + def cstringio_refill(self, partialread, reqlen): + retstring = partialread + if reqlen < self.__rbuf_size: + # try to make a read of as much as we can. + retstring += self.__trans.read(self.__rbuf_size) + + # but make sure we do read reqlen bytes. + if len(retstring) < reqlen: + retstring += self.__trans.readAll(reqlen - len(retstring)) + + self.__rbuf = StringIO(retstring) + return self.__rbuf + + +class TMemoryBuffer(TTransportBase, CReadableTransport): + """Wraps a cStringIO object as a TTransport. + + NOTE: Unlike the C++ version of this class, you cannot write to it + then immediately read from it. If you want to read from a + TMemoryBuffer, you must either pass a string to the constructor. + TODO(dreiss): Make this work like the C++ version. + """ + + def __init__(self, value=None): + """value -- a value to read from for stringio + + If value is set, this will be a transport for reading, + otherwise, it is for writing""" + if value is not None: + self._buffer = StringIO(value) + else: + self._buffer = StringIO() + + def isOpen(self): + return not self._buffer.closed + + def open(self): + pass + + def close(self): + self._buffer.close() + + def read(self, sz): + return self._buffer.read(sz) + + def write(self, buf): + self._buffer.write(buf) + + def flush(self): + pass + + def getvalue(self): + return self._buffer.getvalue() + + # Implement the CReadableTransport interface. + @property + def cstringio_buf(self): + return self._buffer + + def cstringio_refill(self, partialread, reqlen): + # only one shot at reading... + raise EOFError() + + +class TFramedTransportFactory: + """Factory transport that builds framed transports""" + + def getTransport(self, trans): + framed = TFramedTransport(trans) + return framed + + +class TFramedTransport(TTransportBase, CReadableTransport): + """Class that wraps another transport and frames its I/O when writing.""" + + def __init__(self, trans,): + self.__trans = trans + self.__rbuf = StringIO() + self.__wbuf = StringIO() + + def isOpen(self): + return self.__trans.isOpen() + + def open(self): + return self.__trans.open() + + def close(self): + return self.__trans.close() + + def read(self, sz): + ret = self.__rbuf.read(sz) + if len(ret) != 0: + return ret + + self.readFrame() + return self.__rbuf.read(sz) + + def readFrame(self): + buff = self.__trans.readAll(4) + sz, = unpack('!i', buff) + self.__rbuf = StringIO(self.__trans.readAll(sz)) + + def write(self, buf): + self.__wbuf.write(buf) + + def flush(self): + wout = self.__wbuf.getvalue() + wsz = len(wout) + # reset wbuf before write/flush to preserve state on underlying failure + self.__wbuf = StringIO() + # N.B.: Doing this string concatenation is WAY cheaper than making + # two separate calls to the underlying socket object. Socket writes in + # Python turn out to be REALLY expensive, but it seems to do a pretty + # good job of managing string buffer operations without excessive copies + buf = pack("!i", wsz) + wout + self.__trans.write(buf) + self.__trans.flush() + + # Implement the CReadableTransport interface. + @property + def cstringio_buf(self): + return self.__rbuf + + def cstringio_refill(self, prefix, reqlen): + # self.__rbuf will already be empty here because fastbinary doesn't + # ask for a refill until the previous buffer is empty. Therefore, + # we can start reading new frames immediately. + while len(prefix) < reqlen: + self.readFrame() + prefix += self.__rbuf.getvalue() + self.__rbuf = StringIO(prefix) + return self.__rbuf + + +class TFileObjectTransport(TTransportBase): + """Wraps a file-like object to make it work as a Thrift transport.""" + + def __init__(self, fileobj): + self.fileobj = fileobj + + def isOpen(self): + return True + + def close(self): + self.fileobj.close() + + def read(self, sz): + return self.fileobj.read(sz) + + def write(self, buf): + self.fileobj.write(buf) + + def flush(self): + self.fileobj.flush() diff --git a/pyload/lib/thrift/transport/TTwisted.py b/pyload/lib/thrift/transport/TTwisted.py new file mode 100644 index 000000000..3ce3eb220 --- /dev/null +++ b/pyload/lib/thrift/transport/TTwisted.py @@ -0,0 +1,221 @@ +# +# Licensed to the Apache Software Foundation (ASF) under one +# or more contributor license agreements. See the NOTICE file +# distributed with this work for additional information +# regarding copyright ownership. The ASF licenses this file +# to you under the Apache License, Version 2.0 (the +# "License"); you may not use this file except in compliance +# with the License. You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, +# software distributed under the License is distributed on an +# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY +# KIND, either express or implied. See the License for the +# specific language governing permissions and limitations +# under the License. +# + +from cStringIO import StringIO + +from zope.interface import implements, Interface, Attribute +from twisted.internet.protocol import Protocol, ServerFactory, ClientFactory, \ + connectionDone +from twisted.internet import defer +from twisted.protocols import basic +from twisted.python import log +from twisted.web import server, resource, http + +from thrift.transport import TTransport + + +class TMessageSenderTransport(TTransport.TTransportBase): + + def __init__(self): + self.__wbuf = StringIO() + + def write(self, buf): + self.__wbuf.write(buf) + + def flush(self): + msg = self.__wbuf.getvalue() + self.__wbuf = StringIO() + self.sendMessage(msg) + + def sendMessage(self, message): + raise NotImplementedError + + +class TCallbackTransport(TMessageSenderTransport): + + def __init__(self, func): + TMessageSenderTransport.__init__(self) + self.func = func + + def sendMessage(self, message): + self.func(message) + + +class ThriftClientProtocol(basic.Int32StringReceiver): + + MAX_LENGTH = 2 ** 31 - 1 + + def __init__(self, client_class, iprot_factory, oprot_factory=None): + self._client_class = client_class + self._iprot_factory = iprot_factory + if oprot_factory is None: + self._oprot_factory = iprot_factory + else: + self._oprot_factory = oprot_factory + + self.recv_map = {} + self.started = defer.Deferred() + + def dispatch(self, msg): + self.sendString(msg) + + def connectionMade(self): + tmo = TCallbackTransport(self.dispatch) + self.client = self._client_class(tmo, self._oprot_factory) + self.started.callback(self.client) + + def connectionLost(self, reason=connectionDone): + for k, v in self.client._reqs.iteritems(): + tex = TTransport.TTransportException( + type=TTransport.TTransportException.END_OF_FILE, + message='Connection closed') + v.errback(tex) + + def stringReceived(self, frame): + tr = TTransport.TMemoryBuffer(frame) + iprot = self._iprot_factory.getProtocol(tr) + (fname, mtype, rseqid) = iprot.readMessageBegin() + + try: + method = self.recv_map[fname] + except KeyError: + method = getattr(self.client, 'recv_' + fname) + self.recv_map[fname] = method + + method(iprot, mtype, rseqid) + + +class ThriftServerProtocol(basic.Int32StringReceiver): + + MAX_LENGTH = 2 ** 31 - 1 + + def dispatch(self, msg): + self.sendString(msg) + + def processError(self, error): + self.transport.loseConnection() + + def processOk(self, _, tmo): + msg = tmo.getvalue() + + if len(msg) > 0: + self.dispatch(msg) + + def stringReceived(self, frame): + tmi = TTransport.TMemoryBuffer(frame) + tmo = TTransport.TMemoryBuffer() + + iprot = self.factory.iprot_factory.getProtocol(tmi) + oprot = self.factory.oprot_factory.getProtocol(tmo) + + d = self.factory.processor.process(iprot, oprot) + d.addCallbacks(self.processOk, self.processError, + callbackArgs=(tmo,)) + + +class IThriftServerFactory(Interface): + + processor = Attribute("Thrift processor") + + iprot_factory = Attribute("Input protocol factory") + + oprot_factory = Attribute("Output protocol factory") + + +class IThriftClientFactory(Interface): + + client_class = Attribute("Thrift client class") + + iprot_factory = Attribute("Input protocol factory") + + oprot_factory = Attribute("Output protocol factory") + + +class ThriftServerFactory(ServerFactory): + + implements(IThriftServerFactory) + + protocol = ThriftServerProtocol + + def __init__(self, processor, iprot_factory, oprot_factory=None): + self.processor = processor + self.iprot_factory = iprot_factory + if oprot_factory is None: + self.oprot_factory = iprot_factory + else: + self.oprot_factory = oprot_factory + + +class ThriftClientFactory(ClientFactory): + + implements(IThriftClientFactory) + + protocol = ThriftClientProtocol + + def __init__(self, client_class, iprot_factory, oprot_factory=None): + self.client_class = client_class + self.iprot_factory = iprot_factory + if oprot_factory is None: + self.oprot_factory = iprot_factory + else: + self.oprot_factory = oprot_factory + + def buildProtocol(self, addr): + p = self.protocol(self.client_class, self.iprot_factory, + self.oprot_factory) + p.factory = self + return p + + +class ThriftResource(resource.Resource): + + allowedMethods = ('POST',) + + def __init__(self, processor, inputProtocolFactory, + outputProtocolFactory=None): + resource.Resource.__init__(self) + self.inputProtocolFactory = inputProtocolFactory + if outputProtocolFactory is None: + self.outputProtocolFactory = inputProtocolFactory + else: + self.outputProtocolFactory = outputProtocolFactory + self.processor = processor + + def getChild(self, path, request): + return self + + def _cbProcess(self, _, request, tmo): + msg = tmo.getvalue() + request.setResponseCode(http.OK) + request.setHeader("content-type", "application/x-thrift") + request.write(msg) + request.finish() + + def render_POST(self, request): + request.content.seek(0, 0) + data = request.content.read() + tmi = TTransport.TMemoryBuffer(data) + tmo = TTransport.TMemoryBuffer() + + iprot = self.inputProtocolFactory.getProtocol(tmi) + oprot = self.outputProtocolFactory.getProtocol(tmo) + + d = self.processor.process(iprot, oprot) + d.addCallback(self._cbProcess, request, tmo) + return server.NOT_DONE_YET diff --git a/pyload/lib/thrift/transport/TZlibTransport.py b/pyload/lib/thrift/transport/TZlibTransport.py new file mode 100644 index 000000000..a2f42a5d2 --- /dev/null +++ b/pyload/lib/thrift/transport/TZlibTransport.py @@ -0,0 +1,248 @@ +# +# Licensed to the Apache Software Foundation (ASF) under one +# or more contributor license agreements. See the NOTICE file +# distributed with this work for additional information +# regarding copyright ownership. The ASF licenses this file +# to you under the Apache License, Version 2.0 (the +# "License"); you may not use this file except in compliance +# with the License. You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, +# software distributed under the License is distributed on an +# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY +# KIND, either express or implied. See the License for the +# specific language governing permissions and limitations +# under the License. +# + +"""TZlibTransport provides a compressed transport and transport factory +class, using the python standard library zlib module to implement +data compression. +""" + +from __future__ import division +import zlib +from cStringIO import StringIO +from TTransport import TTransportBase, CReadableTransport + + +class TZlibTransportFactory(object): + """Factory transport that builds zlib compressed transports. + + This factory caches the last single client/transport that it was passed + and returns the same TZlibTransport object that was created. + + This caching means the TServer class will get the _same_ transport + object for both input and output transports from this factory. + (For non-threaded scenarios only, since the cache only holds one object) + + The purpose of this caching is to allocate only one TZlibTransport where + only one is really needed (since it must have separate read/write buffers), + and makes the statistics from getCompSavings() and getCompRatio() + easier to understand. + """ + # class scoped cache of last transport given and zlibtransport returned + _last_trans = None + _last_z = None + + def getTransport(self, trans, compresslevel=9): + """Wrap a transport, trans, with the TZlibTransport + compressed transport class, returning a new + transport to the caller. + + @param compresslevel: The zlib compression level, ranging + from 0 (no compression) to 9 (best compression). Defaults to 9. + @type compresslevel: int + + This method returns a TZlibTransport which wraps the + passed C{trans} TTransport derived instance. + """ + if trans == self._last_trans: + return self._last_z + ztrans = TZlibTransport(trans, compresslevel) + self._last_trans = trans + self._last_z = ztrans + return ztrans + + +class TZlibTransport(TTransportBase, CReadableTransport): + """Class that wraps a transport with zlib, compressing writes + and decompresses reads, using the python standard + library zlib module. + """ + # Read buffer size for the python fastbinary C extension, + # the TBinaryProtocolAccelerated class. + DEFAULT_BUFFSIZE = 4096 + + def __init__(self, trans, compresslevel=9): + """Create a new TZlibTransport, wrapping C{trans}, another + TTransport derived object. + + @param trans: A thrift transport object, i.e. a TSocket() object. + @type trans: TTransport + @param compresslevel: The zlib compression level, ranging + from 0 (no compression) to 9 (best compression). Default is 9. + @type compresslevel: int + """ + self.__trans = trans + self.compresslevel = compresslevel + self.__rbuf = StringIO() + self.__wbuf = StringIO() + self._init_zlib() + self._init_stats() + + def _reinit_buffers(self): + """Internal method to initialize/reset the internal StringIO objects + for read and write buffers. + """ + self.__rbuf = StringIO() + self.__wbuf = StringIO() + + def _init_stats(self): + """Internal method to reset the internal statistics counters + for compression ratios and bandwidth savings. + """ + self.bytes_in = 0 + self.bytes_out = 0 + self.bytes_in_comp = 0 + self.bytes_out_comp = 0 + + def _init_zlib(self): + """Internal method for setting up the zlib compression and + decompression objects. + """ + self._zcomp_read = zlib.decompressobj() + self._zcomp_write = zlib.compressobj(self.compresslevel) + + def getCompRatio(self): + """Get the current measured compression ratios (in,out) from + this transport. + + Returns a tuple of: + (inbound_compression_ratio, outbound_compression_ratio) + + The compression ratios are computed as: + compressed / uncompressed + + E.g., data that compresses by 10x will have a ratio of: 0.10 + and data that compresses to half of ts original size will + have a ratio of 0.5 + + None is returned if no bytes have yet been processed in + a particular direction. + """ + r_percent, w_percent = (None, None) + if self.bytes_in > 0: + r_percent = self.bytes_in_comp / self.bytes_in + if self.bytes_out > 0: + w_percent = self.bytes_out_comp / self.bytes_out + return (r_percent, w_percent) + + def getCompSavings(self): + """Get the current count of saved bytes due to data + compression. + + Returns a tuple of: + (inbound_saved_bytes, outbound_saved_bytes) + + Note: if compression is actually expanding your + data (only likely with very tiny thrift objects), then + the values returned will be negative. + """ + r_saved = self.bytes_in - self.bytes_in_comp + w_saved = self.bytes_out - self.bytes_out_comp + return (r_saved, w_saved) + + def isOpen(self): + """Return the underlying transport's open status""" + return self.__trans.isOpen() + + def open(self): + """Open the underlying transport""" + self._init_stats() + return self.__trans.open() + + def listen(self): + """Invoke the underlying transport's listen() method""" + self.__trans.listen() + + def accept(self): + """Accept connections on the underlying transport""" + return self.__trans.accept() + + def close(self): + """Close the underlying transport,""" + self._reinit_buffers() + self._init_zlib() + return self.__trans.close() + + def read(self, sz): + """Read up to sz bytes from the decompressed bytes buffer, and + read from the underlying transport if the decompression + buffer is empty. + """ + ret = self.__rbuf.read(sz) + if len(ret) > 0: + return ret + # keep reading from transport until something comes back + while True: + if self.readComp(sz): + break + ret = self.__rbuf.read(sz) + return ret + + def readComp(self, sz): + """Read compressed data from the underlying transport, then + decompress it and append it to the internal StringIO read buffer + """ + zbuf = self.__trans.read(sz) + zbuf = self._zcomp_read.unconsumed_tail + zbuf + buf = self._zcomp_read.decompress(zbuf) + self.bytes_in += len(zbuf) + self.bytes_in_comp += len(buf) + old = self.__rbuf.read() + self.__rbuf = StringIO(old + buf) + if len(old) + len(buf) == 0: + return False + return True + + def write(self, buf): + """Write some bytes, putting them into the internal write + buffer for eventual compression. + """ + self.__wbuf.write(buf) + + def flush(self): + """Flush any queued up data in the write buffer and ensure the + compression buffer is flushed out to the underlying transport + """ + wout = self.__wbuf.getvalue() + if len(wout) > 0: + zbuf = self._zcomp_write.compress(wout) + self.bytes_out += len(wout) + self.bytes_out_comp += len(zbuf) + else: + zbuf = '' + ztail = self._zcomp_write.flush(zlib.Z_SYNC_FLUSH) + self.bytes_out_comp += len(ztail) + if (len(zbuf) + len(ztail)) > 0: + self.__wbuf = StringIO() + self.__trans.write(zbuf + ztail) + self.__trans.flush() + + @property + def cstringio_buf(self): + """Implement the CReadableTransport interface""" + return self.__rbuf + + def cstringio_refill(self, partialread, reqlen): + """Implement the CReadableTransport interface for refill""" + retstring = partialread + if reqlen < self.DEFAULT_BUFFSIZE: + retstring += self.read(self.DEFAULT_BUFFSIZE) + while len(retstring) < reqlen: + retstring += self.read(reqlen - len(retstring)) + self.__rbuf = StringIO(retstring) + return self.__rbuf diff --git a/pyload/lib/thrift/transport/__init__.py b/pyload/lib/thrift/transport/__init__.py new file mode 100644 index 000000000..c9596d9a6 --- /dev/null +++ b/pyload/lib/thrift/transport/__init__.py @@ -0,0 +1,20 @@ +# +# Licensed to the Apache Software Foundation (ASF) under one +# or more contributor license agreements. See the NOTICE file +# distributed with this work for additional information +# regarding copyright ownership. The ASF licenses this file +# to you under the Apache License, Version 2.0 (the +# "License"); you may not use this file except in compliance +# with the License. You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, +# software distributed under the License is distributed on an +# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY +# KIND, either express or implied. See the License for the +# specific language governing permissions and limitations +# under the License. +# + +__all__ = ['TTransport', 'TSocket', 'THttpClient', 'TZlibTransport'] diff --git a/pyload/lib/wsgiserver/LICENSE.txt b/pyload/lib/wsgiserver/LICENSE.txt new file mode 100644 index 000000000..a15165ee2 --- /dev/null +++ b/pyload/lib/wsgiserver/LICENSE.txt @@ -0,0 +1,25 @@ +Copyright (c) 2004-2007, CherryPy Team (team@cherrypy.org) +All rights reserved. + +Redistribution and use in source and binary forms, with or without modification, +are permitted provided that the following conditions are met: + + * Redistributions of source code must retain the above copyright notice, + this list of conditions and the following disclaimer. + * Redistributions in binary form must reproduce the above copyright notice, + this list of conditions and the following disclaimer in the documentation + and/or other materials provided with the distribution. + * Neither the name of the CherryPy Team nor the names of its contributors + may be used to endorse or promote products derived from this software + without specific prior written permission. + +THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND +ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED +WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE +DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE +FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL +DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR +SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER +CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, +OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. diff --git a/pyload/lib/wsgiserver/__init__.py b/pyload/lib/wsgiserver/__init__.py new file mode 100644 index 000000000..1058b19ff --- /dev/null +++ b/pyload/lib/wsgiserver/__init__.py @@ -0,0 +1,2299 @@ +"""A high-speed, production ready, thread pooled, generic HTTP server. + +Simplest example on how to use this module directly +(without using CherryPy's application machinery):: + + from cherrypy import wsgiserver + + def my_crazy_app(environ, start_response): + status = '200 OK' + response_headers = [('Content-type','text/plain')] + start_response(status, response_headers) + return ['Hello world!'] + + server = wsgiserver.CherryPyWSGIServer( + ('0.0.0.0', 8070), my_crazy_app, + server_name='www.cherrypy.example') + server.start() + +The CherryPy WSGI server can serve as many WSGI applications +as you want in one instance by using a WSGIPathInfoDispatcher:: + + d = WSGIPathInfoDispatcher({'/': my_crazy_app, '/blog': my_blog_app}) + server = wsgiserver.CherryPyWSGIServer(('0.0.0.0', 80), d) + +Want SSL support? Just set server.ssl_adapter to an SSLAdapter instance. + +This won't call the CherryPy engine (application side) at all, only the +HTTP server, which is independent from the rest of CherryPy. Don't +let the name "CherryPyWSGIServer" throw you; the name merely reflects +its origin, not its coupling. + +For those of you wanting to understand internals of this module, here's the +basic call flow. The server's listening thread runs a very tight loop, +sticking incoming connections onto a Queue:: + + server = CherryPyWSGIServer(...) + server.start() + while True: + tick() + # This blocks until a request comes in: + child = socket.accept() + conn = HTTPConnection(child, ...) + server.requests.put(conn) + +Worker threads are kept in a pool and poll the Queue, popping off and then +handling each connection in turn. Each connection can consist of an arbitrary +number of requests and their responses, so we run a nested loop:: + + while True: + conn = server.requests.get() + conn.communicate() + -> while True: + req = HTTPRequest(...) + req.parse_request() + -> # Read the Request-Line, e.g. "GET /page HTTP/1.1" + req.rfile.readline() + read_headers(req.rfile, req.inheaders) + req.respond() + -> response = app(...) + try: + for chunk in response: + if chunk: + req.write(chunk) + finally: + if hasattr(response, "close"): + response.close() + if req.close_connection: + return +""" + +__all__ = ['HTTPRequest', 'HTTPConnection', 'HTTPServer', + 'SizeCheckWrapper', 'KnownLengthRFile', 'ChunkedRFile', + 'CP_fileobject', + 'MaxSizeExceeded', 'NoSSLError', 'FatalSSLAlert', + 'WorkerThread', 'ThreadPool', 'SSLAdapter', + 'CherryPyWSGIServer', + 'Gateway', 'WSGIGateway', 'WSGIGateway_10', 'WSGIGateway_u0', + 'WSGIPathInfoDispatcher'] + +import os +try: + import queue +except: + import Queue as queue +import re +import rfc822 +import socket +import sys +if 'win' in sys.platform and not hasattr(socket, 'IPPROTO_IPV6'): + socket.IPPROTO_IPV6 = 41 +try: + import cStringIO as StringIO +except ImportError: + import StringIO +DEFAULT_BUFFER_SIZE = -1 + +_fileobject_uses_str_type = isinstance(socket._fileobject(None)._rbuf, basestring) + +import threading +import time +import traceback +def format_exc(limit=None): + """Like print_exc() but return a string. Backport for Python 2.3.""" + try: + etype, value, tb = sys.exc_info() + return ''.join(traceback.format_exception(etype, value, tb, limit)) + finally: + etype = value = tb = None + + +from urllib import unquote +from urlparse import urlparse +import warnings + +if sys.version_info >= (3, 0): + bytestr = bytes + unicodestr = str + basestring = (bytes, str) + def ntob(n, encoding='ISO-8859-1'): + """Return the given native string as a byte string in the given encoding.""" + # In Python 3, the native string type is unicode + return n.encode(encoding) +else: + bytestr = str + unicodestr = unicode + basestring = basestring + def ntob(n, encoding='ISO-8859-1'): + """Return the given native string as a byte string in the given encoding.""" + # In Python 2, the native string type is bytes. Assume it's already + # in the given encoding, which for ISO-8859-1 is almost always what + # was intended. + return n + +LF = ntob('\n') +CRLF = ntob('\r\n') +TAB = ntob('\t') +SPACE = ntob(' ') +COLON = ntob(':') +SEMICOLON = ntob(';') +EMPTY = ntob('') +NUMBER_SIGN = ntob('#') +QUESTION_MARK = ntob('?') +ASTERISK = ntob('*') +FORWARD_SLASH = ntob('/') +quoted_slash = re.compile(ntob("(?i)%2F")) + +import errno + +def plat_specific_errors(*errnames): + """Return error numbers for all errors in errnames on this platform. + + The 'errno' module contains different global constants depending on + the specific platform (OS). This function will return the list of + numeric values for a given list of potential names. + """ + errno_names = dir(errno) + nums = [getattr(errno, k) for k in errnames if k in errno_names] + # de-dupe the list + return list(dict.fromkeys(nums).keys()) + +socket_error_eintr = plat_specific_errors("EINTR", "WSAEINTR") + +socket_errors_to_ignore = plat_specific_errors( + "EPIPE", + "EBADF", "WSAEBADF", + "ENOTSOCK", "WSAENOTSOCK", + "ETIMEDOUT", "WSAETIMEDOUT", + "ECONNREFUSED", "WSAECONNREFUSED", + "ECONNRESET", "WSAECONNRESET", + "ECONNABORTED", "WSAECONNABORTED", + "ENETRESET", "WSAENETRESET", + "EHOSTDOWN", "EHOSTUNREACH", + ) +socket_errors_to_ignore.append("timed out") +socket_errors_to_ignore.append("The read operation timed out") + +socket_errors_nonblocking = plat_specific_errors( + 'EAGAIN', 'EWOULDBLOCK', 'WSAEWOULDBLOCK') + +comma_separated_headers = [ntob(h) for h in + ['Accept', 'Accept-Charset', 'Accept-Encoding', + 'Accept-Language', 'Accept-Ranges', 'Allow', 'Cache-Control', + 'Connection', 'Content-Encoding', 'Content-Language', 'Expect', + 'If-Match', 'If-None-Match', 'Pragma', 'Proxy-Authenticate', 'TE', + 'Trailer', 'Transfer-Encoding', 'Upgrade', 'Vary', 'Via', 'Warning', + 'WWW-Authenticate']] + + +import logging +if not hasattr(logging, 'statistics'): logging.statistics = {} + + +def read_headers(rfile, hdict=None): + """Read headers from the given stream into the given header dict. + + If hdict is None, a new header dict is created. Returns the populated + header dict. + + Headers which are repeated are folded together using a comma if their + specification so dictates. + + This function raises ValueError when the read bytes violate the HTTP spec. + You should probably return "400 Bad Request" if this happens. + """ + if hdict is None: + hdict = {} + + while True: + line = rfile.readline() + if not line: + # No more data--illegal end of headers + raise ValueError("Illegal end of headers.") + + if line == CRLF: + # Normal end of headers + break + if not line.endswith(CRLF): + raise ValueError("HTTP requires CRLF terminators") + + if line[0] in (SPACE, TAB): + # It's a continuation line. + v = line.strip() + else: + try: + k, v = line.split(COLON, 1) + except ValueError: + raise ValueError("Illegal header line.") + # TODO: what about TE and WWW-Authenticate? + k = k.strip().title() + v = v.strip() + hname = k + + if k in comma_separated_headers: + existing = hdict.get(hname) + if existing: + v = ", ".join((existing, v)) + hdict[hname] = v + + return hdict + + +class MaxSizeExceeded(Exception): + pass + +class SizeCheckWrapper(object): + """Wraps a file-like object, raising MaxSizeExceeded if too large.""" + + def __init__(self, rfile, maxlen): + self.rfile = rfile + self.maxlen = maxlen + self.bytes_read = 0 + + def _check_length(self): + if self.maxlen and self.bytes_read > self.maxlen: + raise MaxSizeExceeded() + + def read(self, size=None): + data = self.rfile.read(size) + self.bytes_read += len(data) + self._check_length() + return data + + def readline(self, size=None): + if size is not None: + data = self.rfile.readline(size) + self.bytes_read += len(data) + self._check_length() + return data + + # User didn't specify a size ... + # We read the line in chunks to make sure it's not a 100MB line ! + res = [] + while True: + data = self.rfile.readline(256) + self.bytes_read += len(data) + self._check_length() + res.append(data) + # See http://www.cherrypy.org/ticket/421 + if len(data) < 256 or data[-1:] == "\n": + return EMPTY.join(res) + + def readlines(self, sizehint=0): + # Shamelessly stolen from StringIO + total = 0 + lines = [] + line = self.readline() + while line: + lines.append(line) + total += len(line) + if 0 < sizehint <= total: + break + line = self.readline() + return lines + + def close(self): + self.rfile.close() + + def __iter__(self): + return self + + def __next__(self): + data = next(self.rfile) + self.bytes_read += len(data) + self._check_length() + return data + + def next(self): + data = self.rfile.next() + self.bytes_read += len(data) + self._check_length() + return data + + +class KnownLengthRFile(object): + """Wraps a file-like object, returning an empty string when exhausted.""" + + def __init__(self, rfile, content_length): + self.rfile = rfile + self.remaining = content_length + + def read(self, size=None): + if self.remaining == 0: + return '' + if size is None: + size = self.remaining + else: + size = min(size, self.remaining) + + data = self.rfile.read(size) + self.remaining -= len(data) + return data + + def readline(self, size=None): + if self.remaining == 0: + return '' + if size is None: + size = self.remaining + else: + size = min(size, self.remaining) + + data = self.rfile.readline(size) + self.remaining -= len(data) + return data + + def readlines(self, sizehint=0): + # Shamelessly stolen from StringIO + total = 0 + lines = [] + line = self.readline(sizehint) + while line: + lines.append(line) + total += len(line) + if 0 < sizehint <= total: + break + line = self.readline(sizehint) + return lines + + def close(self): + self.rfile.close() + + def __iter__(self): + return self + + def __next__(self): + data = next(self.rfile) + self.remaining -= len(data) + return data + + +class ChunkedRFile(object): + """Wraps a file-like object, returning an empty string when exhausted. + + This class is intended to provide a conforming wsgi.input value for + request entities that have been encoded with the 'chunked' transfer + encoding. + """ + + def __init__(self, rfile, maxlen, bufsize=8192): + self.rfile = rfile + self.maxlen = maxlen + self.bytes_read = 0 + self.buffer = EMPTY + self.bufsize = bufsize + self.closed = False + + def _fetch(self): + if self.closed: + return + + line = self.rfile.readline() + self.bytes_read += len(line) + + if self.maxlen and self.bytes_read > self.maxlen: + raise MaxSizeExceeded("Request Entity Too Large", self.maxlen) + + line = line.strip().split(SEMICOLON, 1) + + try: + chunk_size = line.pop(0) + chunk_size = int(chunk_size, 16) + except ValueError: + raise ValueError("Bad chunked transfer size: " + repr(chunk_size)) + + if chunk_size <= 0: + self.closed = True + return + +## if line: chunk_extension = line[0] + + if self.maxlen and self.bytes_read + chunk_size > self.maxlen: + raise IOError("Request Entity Too Large") + + chunk = self.rfile.read(chunk_size) + self.bytes_read += len(chunk) + self.buffer += chunk + + crlf = self.rfile.read(2) + if crlf != CRLF: + raise ValueError( + "Bad chunked transfer coding (expected '\\r\\n', " + "got " + repr(crlf) + ")") + + def read(self, size=None): + data = EMPTY + while True: + if size and len(data) >= size: + return data + + if not self.buffer: + self._fetch() + if not self.buffer: + # EOF + return data + + if size: + remaining = size - len(data) + data += self.buffer[:remaining] + self.buffer = self.buffer[remaining:] + else: + data += self.buffer + + def readline(self, size=None): + data = EMPTY + while True: + if size and len(data) >= size: + return data + + if not self.buffer: + self._fetch() + if not self.buffer: + # EOF + return data + + newline_pos = self.buffer.find(LF) + if size: + if newline_pos == -1: + remaining = size - len(data) + data += self.buffer[:remaining] + self.buffer = self.buffer[remaining:] + else: + remaining = min(size - len(data), newline_pos) + data += self.buffer[:remaining] + self.buffer = self.buffer[remaining:] + else: + if newline_pos == -1: + data += self.buffer + else: + data += self.buffer[:newline_pos] + self.buffer = self.buffer[newline_pos:] + + def readlines(self, sizehint=0): + # Shamelessly stolen from StringIO + total = 0 + lines = [] + line = self.readline(sizehint) + while line: + lines.append(line) + total += len(line) + if 0 < sizehint <= total: + break + line = self.readline(sizehint) + return lines + + def read_trailer_lines(self): + if not self.closed: + raise ValueError( + "Cannot read trailers until the request body has been read.") + + while True: + line = self.rfile.readline() + if not line: + # No more data--illegal end of headers + raise ValueError("Illegal end of headers.") + + self.bytes_read += len(line) + if self.maxlen and self.bytes_read > self.maxlen: + raise IOError("Request Entity Too Large") + + if line == CRLF: + # Normal end of headers + break + if not line.endswith(CRLF): + raise ValueError("HTTP requires CRLF terminators") + + yield line + + def close(self): + self.rfile.close() + + def __iter__(self): + # Shamelessly stolen from StringIO + total = 0 + line = self.readline(sizehint) + while line: + yield line + total += len(line) + if 0 < sizehint <= total: + break + line = self.readline(sizehint) + + +class HTTPRequest(object): + """An HTTP Request (and response). + + A single HTTP connection may consist of multiple request/response pairs. + """ + + server = None + """The HTTPServer object which is receiving this request.""" + + conn = None + """The HTTPConnection object on which this request connected.""" + + inheaders = {} + """A dict of request headers.""" + + outheaders = [] + """A list of header tuples to write in the response.""" + + ready = False + """When True, the request has been parsed and is ready to begin generating + the response. When False, signals the calling Connection that the response + should not be generated and the connection should close.""" + + close_connection = False + """Signals the calling Connection that the request should close. This does + not imply an error! The client and/or server may each request that the + connection be closed.""" + + chunked_write = False + """If True, output will be encoded with the "chunked" transfer-coding. + + This value is set automatically inside send_headers.""" + + def __init__(self, server, conn): + self.server= server + self.conn = conn + + self.ready = False + self.started_request = False + self.scheme = ntob("http") + if self.server.ssl_adapter is not None: + self.scheme = ntob("https") + # Use the lowest-common protocol in case read_request_line errors. + self.response_protocol = 'HTTP/1.0' + self.inheaders = {} + + self.status = "" + self.outheaders = [] + self.sent_headers = False + self.close_connection = self.__class__.close_connection + self.chunked_read = False + self.chunked_write = self.__class__.chunked_write + + def parse_request(self): + """Parse the next HTTP request start-line and message-headers.""" + self.rfile = SizeCheckWrapper(self.conn.rfile, + self.server.max_request_header_size) + try: + self.read_request_line() + except MaxSizeExceeded: + self.simple_response("414 Request-URI Too Long", + "The Request-URI sent with the request exceeds the maximum " + "allowed bytes.") + return + + try: + success = self.read_request_headers() + except MaxSizeExceeded: + self.simple_response("413 Request Entity Too Large", + "The headers sent with the request exceed the maximum " + "allowed bytes.") + return + else: + if not success: + return + + self.ready = True + + def read_request_line(self): + # HTTP/1.1 connections are persistent by default. If a client + # requests a page, then idles (leaves the connection open), + # then rfile.readline() will raise socket.error("timed out"). + # Note that it does this based on the value given to settimeout(), + # and doesn't need the client to request or acknowledge the close + # (although your TCP stack might suffer for it: cf Apache's history + # with FIN_WAIT_2). + request_line = self.rfile.readline() + + # Set started_request to True so communicate() knows to send 408 + # from here on out. + self.started_request = True + if not request_line: + # Force self.ready = False so the connection will close. + self.ready = False + return + + if request_line == CRLF: + # RFC 2616 sec 4.1: "...if the server is reading the protocol + # stream at the beginning of a message and receives a CRLF + # first, it should ignore the CRLF." + # But only ignore one leading line! else we enable a DoS. + request_line = self.rfile.readline() + if not request_line: + self.ready = False + return + + if not request_line.endswith(CRLF): + self.simple_response("400 Bad Request", "HTTP requires CRLF terminators") + return + + try: + method, uri, req_protocol = request_line.strip().split(SPACE, 2) + rp = int(req_protocol[5]), int(req_protocol[7]) + except (ValueError, IndexError): + self.simple_response("400 Bad Request", "Malformed Request-Line") + return + + self.uri = uri + self.method = method + + # uri may be an abs_path (including "http://host.domain.tld"); + scheme, authority, path = self.parse_request_uri(uri) + if NUMBER_SIGN in path: + self.simple_response("400 Bad Request", + "Illegal #fragment in Request-URI.") + return + + if scheme: + self.scheme = scheme + + qs = EMPTY + if QUESTION_MARK in path: + path, qs = path.split(QUESTION_MARK, 1) + + # Unquote the path+params (e.g. "/this%20path" -> "/this path"). + # http://www.w3.org/Protocols/rfc2616/rfc2616-sec5.html#sec5.1.2 + # + # But note that "...a URI must be separated into its components + # before the escaped characters within those components can be + # safely decoded." http://www.ietf.org/rfc/rfc2396.txt, sec 2.4.2 + # Therefore, "/this%2Fpath" becomes "/this%2Fpath", not "/this/path". + try: + atoms = [unquote(x) for x in quoted_slash.split(path)] + except ValueError: + ex = sys.exc_info()[1] + self.simple_response("400 Bad Request", ex.args[0]) + return + path = "%2F".join(atoms) + self.path = path + + # Note that, like wsgiref and most other HTTP servers, + # we "% HEX HEX"-unquote the path but not the query string. + self.qs = qs + + # Compare request and server HTTP protocol versions, in case our + # server does not support the requested protocol. Limit our output + # to min(req, server). We want the following output: + # request server actual written supported response + # protocol protocol response protocol feature set + # a 1.0 1.0 1.0 1.0 + # b 1.0 1.1 1.1 1.0 + # c 1.1 1.0 1.0 1.0 + # d 1.1 1.1 1.1 1.1 + # Notice that, in (b), the response will be "HTTP/1.1" even though + # the client only understands 1.0. RFC 2616 10.5.6 says we should + # only return 505 if the _major_ version is different. + sp = int(self.server.protocol[5]), int(self.server.protocol[7]) + + if sp[0] != rp[0]: + self.simple_response("505 HTTP Version Not Supported") + return + self.request_protocol = req_protocol + self.response_protocol = "HTTP/%s.%s" % min(rp, sp) + + def read_request_headers(self): + """Read self.rfile into self.inheaders. Return success.""" + + # then all the http headers + try: + read_headers(self.rfile, self.inheaders) + except ValueError: + ex = sys.exc_info()[1] + self.simple_response("400 Bad Request", ex.args[0]) + return False + + mrbs = self.server.max_request_body_size + if mrbs and int(self.inheaders.get("Content-Length", 0)) > mrbs: + self.simple_response("413 Request Entity Too Large", + "The entity sent with the request exceeds the maximum " + "allowed bytes.") + return False + + # Persistent connection support + if self.response_protocol == "HTTP/1.1": + # Both server and client are HTTP/1.1 + if self.inheaders.get("Connection", "") == "close": + self.close_connection = True + else: + # Either the server or client (or both) are HTTP/1.0 + if self.inheaders.get("Connection", "") != "Keep-Alive": + self.close_connection = True + + # Transfer-Encoding support + te = None + if self.response_protocol == "HTTP/1.1": + te = self.inheaders.get("Transfer-Encoding") + if te: + te = [x.strip().lower() for x in te.split(",") if x.strip()] + + self.chunked_read = False + + if te: + for enc in te: + if enc == "chunked": + self.chunked_read = True + else: + # Note that, even if we see "chunked", we must reject + # if there is an extension we don't recognize. + self.simple_response("501 Unimplemented") + self.close_connection = True + return False + + # From PEP 333: + # "Servers and gateways that implement HTTP 1.1 must provide + # transparent support for HTTP 1.1's "expect/continue" mechanism. + # This may be done in any of several ways: + # 1. Respond to requests containing an Expect: 100-continue request + # with an immediate "100 Continue" response, and proceed normally. + # 2. Proceed with the request normally, but provide the application + # with a wsgi.input stream that will send the "100 Continue" + # response if/when the application first attempts to read from + # the input stream. The read request must then remain blocked + # until the client responds. + # 3. Wait until the client decides that the server does not support + # expect/continue, and sends the request body on its own. + # (This is suboptimal, and is not recommended.) + # + # We used to do 3, but are now doing 1. Maybe we'll do 2 someday, + # but it seems like it would be a big slowdown for such a rare case. + if self.inheaders.get("Expect", "") == "100-continue": + # Don't use simple_response here, because it emits headers + # we don't want. See http://www.cherrypy.org/ticket/951 + msg = self.server.protocol + " 100 Continue\r\n\r\n" + try: + self.conn.wfile.sendall(msg) + except socket.error: + x = sys.exc_info()[1] + if x.args[0] not in socket_errors_to_ignore: + raise + return True + + def parse_request_uri(self, uri): + """Parse a Request-URI into (scheme, authority, path). + + Note that Request-URI's must be one of:: + + Request-URI = "*" | absoluteURI | abs_path | authority + + Therefore, a Request-URI which starts with a double forward-slash + cannot be a "net_path":: + + net_path = "//" authority [ abs_path ] + + Instead, it must be interpreted as an "abs_path" with an empty first + path segment:: + + abs_path = "/" path_segments + path_segments = segment *( "/" segment ) + segment = *pchar *( ";" param ) + param = *pchar + """ + if uri == ASTERISK: + return None, None, uri + + i = uri.find('://') + if i > 0 and QUESTION_MARK not in uri[:i]: + # An absoluteURI. + # If there's a scheme (and it must be http or https), then: + # http_URL = "http:" "//" host [ ":" port ] [ abs_path [ "?" query ]] + scheme, remainder = uri[:i].lower(), uri[i + 3:] + authority, path = remainder.split(FORWARD_SLASH, 1) + path = FORWARD_SLASH + path + return scheme, authority, path + + if uri.startswith(FORWARD_SLASH): + # An abs_path. + return None, None, uri + else: + # An authority. + return None, uri, None + + def respond(self): + """Call the gateway and write its iterable output.""" + mrbs = self.server.max_request_body_size + if self.chunked_read: + self.rfile = ChunkedRFile(self.conn.rfile, mrbs) + else: + cl = int(self.inheaders.get("Content-Length", 0)) + if mrbs and mrbs < cl: + if not self.sent_headers: + self.simple_response("413 Request Entity Too Large", + "The entity sent with the request exceeds the maximum " + "allowed bytes.") + return + self.rfile = KnownLengthRFile(self.conn.rfile, cl) + + self.server.gateway(self).respond() + + if (self.ready and not self.sent_headers): + self.sent_headers = True + self.send_headers() + if self.chunked_write: + self.conn.wfile.sendall("0\r\n\r\n") + + def simple_response(self, status, msg=""): + """Write a simple response back to the client.""" + status = str(status) + buf = [self.server.protocol + SPACE + + status + CRLF, + "Content-Length: %s\r\n" % len(msg), + "Content-Type: text/plain\r\n"] + + if status[:3] in ("413", "414"): + # Request Entity Too Large / Request-URI Too Long + self.close_connection = True + if self.response_protocol == 'HTTP/1.1': + # This will not be true for 414, since read_request_line + # usually raises 414 before reading the whole line, and we + # therefore cannot know the proper response_protocol. + buf.append("Connection: close\r\n") + else: + # HTTP/1.0 had no 413/414 status nor Connection header. + # Emit 400 instead and trust the message body is enough. + status = "400 Bad Request" + + buf.append(CRLF) + if msg: + if isinstance(msg, unicodestr): + msg = msg.encode("ISO-8859-1") + buf.append(msg) + + try: + self.conn.wfile.sendall("".join(buf)) + except socket.error: + x = sys.exc_info()[1] + if x.args[0] not in socket_errors_to_ignore: + raise + + def write(self, chunk): + """Write unbuffered data to the client.""" + if self.chunked_write and chunk: + buf = [hex(len(chunk))[2:], CRLF, chunk, CRLF] + self.conn.wfile.sendall(EMPTY.join(buf)) + else: + self.conn.wfile.sendall(chunk) + + def send_headers(self): + """Assert, process, and send the HTTP response message-headers. + + You must set self.status, and self.outheaders before calling this. + """ + hkeys = [key.lower() for key, value in self.outheaders] + status = int(self.status[:3]) + + if status == 413: + # Request Entity Too Large. Close conn to avoid garbage. + self.close_connection = True + elif "content-length" not in hkeys: + # "All 1xx (informational), 204 (no content), + # and 304 (not modified) responses MUST NOT + # include a message-body." So no point chunking. + if status < 200 or status in (204, 205, 304): + pass + else: + if (self.response_protocol == 'HTTP/1.1' + and self.method != 'HEAD'): + # Use the chunked transfer-coding + self.chunked_write = True + self.outheaders.append(("Transfer-Encoding", "chunked")) + else: + # Closing the conn is the only way to determine len. + self.close_connection = True + + if "connection" not in hkeys: + if self.response_protocol == 'HTTP/1.1': + # Both server and client are HTTP/1.1 or better + if self.close_connection: + self.outheaders.append(("Connection", "close")) + else: + # Server and/or client are HTTP/1.0 + if not self.close_connection: + self.outheaders.append(("Connection", "Keep-Alive")) + + if (not self.close_connection) and (not self.chunked_read): + # Read any remaining request body data on the socket. + # "If an origin server receives a request that does not include an + # Expect request-header field with the "100-continue" expectation, + # the request includes a request body, and the server responds + # with a final status code before reading the entire request body + # from the transport connection, then the server SHOULD NOT close + # the transport connection until it has read the entire request, + # or until the client closes the connection. Otherwise, the client + # might not reliably receive the response message. However, this + # requirement is not be construed as preventing a server from + # defending itself against denial-of-service attacks, or from + # badly broken client implementations." + remaining = getattr(self.rfile, 'remaining', 0) + if remaining > 0: + self.rfile.read(remaining) + + if "date" not in hkeys: + self.outheaders.append(("Date", rfc822.formatdate())) + + if "server" not in hkeys: + self.outheaders.append(("Server", self.server.server_name)) + + buf = [self.server.protocol + SPACE + self.status + CRLF] + for k, v in self.outheaders: + buf.append(k + COLON + SPACE + v + CRLF) + buf.append(CRLF) + self.conn.wfile.sendall(EMPTY.join(buf)) + + +class NoSSLError(Exception): + """Exception raised when a client speaks HTTP to an HTTPS socket.""" + pass + + +class FatalSSLAlert(Exception): + """Exception raised when the SSL implementation signals a fatal alert.""" + pass + + +class CP_fileobject(socket._fileobject): + """Faux file object attached to a socket object.""" + + def __init__(self, *args, **kwargs): + self.bytes_read = 0 + self.bytes_written = 0 + socket._fileobject.__init__(self, *args, **kwargs) + + def sendall(self, data): + """Sendall for non-blocking sockets.""" + while data: + try: + bytes_sent = self.send(data) + data = data[bytes_sent:] + except socket.error, e: + if e.args[0] not in socket_errors_nonblocking: + raise + + def send(self, data): + bytes_sent = self._sock.send(data) + self.bytes_written += bytes_sent + return bytes_sent + + def flush(self): + if self._wbuf: + buffer = "".join(self._wbuf) + self._wbuf = [] + self.sendall(buffer) + + def recv(self, size): + while True: + try: + data = self._sock.recv(size) + self.bytes_read += len(data) + return data + except socket.error, e: + if (e.args[0] not in socket_errors_nonblocking + and e.args[0] not in socket_error_eintr): + raise + + if not _fileobject_uses_str_type: + def read(self, size=-1): + # Use max, disallow tiny reads in a loop as they are very inefficient. + # We never leave read() with any leftover data from a new recv() call + # in our internal buffer. + rbufsize = max(self._rbufsize, self.default_bufsize) + # Our use of StringIO rather than lists of string objects returned by + # recv() minimizes memory usage and fragmentation that occurs when + # rbufsize is large compared to the typical return value of recv(). + buf = self._rbuf + buf.seek(0, 2) # seek end + if size < 0: + # Read until EOF + self._rbuf = StringIO.StringIO() # reset _rbuf. we consume it via buf. + while True: + data = self.recv(rbufsize) + if not data: + break + buf.write(data) + return buf.getvalue() + else: + # Read until size bytes or EOF seen, whichever comes first + buf_len = buf.tell() + if buf_len >= size: + # Already have size bytes in our buffer? Extract and return. + buf.seek(0) + rv = buf.read(size) + self._rbuf = StringIO.StringIO() + self._rbuf.write(buf.read()) + return rv + + self._rbuf = StringIO.StringIO() # reset _rbuf. we consume it via buf. + while True: + left = size - buf_len + # recv() will malloc the amount of memory given as its + # parameter even though it often returns much less data + # than that. The returned data string is short lived + # as we copy it into a StringIO and free it. This avoids + # fragmentation issues on many platforms. + data = self.recv(left) + if not data: + break + n = len(data) + if n == size and not buf_len: + # Shortcut. Avoid buffer data copies when: + # - We have no data in our buffer. + # AND + # - Our call to recv returned exactly the + # number of bytes we were asked to read. + return data + if n == left: + buf.write(data) + del data # explicit free + break + assert n <= left, "recv(%d) returned %d bytes" % (left, n) + buf.write(data) + buf_len += n + del data # explicit free + #assert buf_len == buf.tell() + return buf.getvalue() + + def readline(self, size=-1): + buf = self._rbuf + buf.seek(0, 2) # seek end + if buf.tell() > 0: + # check if we already have it in our buffer + buf.seek(0) + bline = buf.readline(size) + if bline.endswith('\n') or len(bline) == size: + self._rbuf = StringIO.StringIO() + self._rbuf.write(buf.read()) + return bline + del bline + if size < 0: + # Read until \n or EOF, whichever comes first + if self._rbufsize <= 1: + # Speed up unbuffered case + buf.seek(0) + buffers = [buf.read()] + self._rbuf = StringIO.StringIO() # reset _rbuf. we consume it via buf. + data = None + recv = self.recv + while data != "\n": + data = recv(1) + if not data: + break + buffers.append(data) + return "".join(buffers) + + buf.seek(0, 2) # seek end + self._rbuf = StringIO.StringIO() # reset _rbuf. we consume it via buf. + while True: + data = self.recv(self._rbufsize) + if not data: + break + nl = data.find('\n') + if nl >= 0: + nl += 1 + buf.write(data[:nl]) + self._rbuf.write(data[nl:]) + del data + break + buf.write(data) + return buf.getvalue() + else: + # Read until size bytes or \n or EOF seen, whichever comes first + buf.seek(0, 2) # seek end + buf_len = buf.tell() + if buf_len >= size: + buf.seek(0) + rv = buf.read(size) + self._rbuf = StringIO.StringIO() + self._rbuf.write(buf.read()) + return rv + self._rbuf = StringIO.StringIO() # reset _rbuf. we consume it via buf. + while True: + data = self.recv(self._rbufsize) + if not data: + break + left = size - buf_len + # did we just receive a newline? + nl = data.find('\n', 0, left) + if nl >= 0: + nl += 1 + # save the excess data to _rbuf + self._rbuf.write(data[nl:]) + if buf_len: + buf.write(data[:nl]) + break + else: + # Shortcut. Avoid data copy through buf when returning + # a substring of our first recv(). + return data[:nl] + n = len(data) + if n == size and not buf_len: + # Shortcut. Avoid data copy through buf when + # returning exactly all of our first recv(). + return data + if n >= left: + buf.write(data[:left]) + self._rbuf.write(data[left:]) + break + buf.write(data) + buf_len += n + #assert buf_len == buf.tell() + return buf.getvalue() + else: + def read(self, size=-1): + if size < 0: + # Read until EOF + buffers = [self._rbuf] + self._rbuf = "" + if self._rbufsize <= 1: + recv_size = self.default_bufsize + else: + recv_size = self._rbufsize + + while True: + data = self.recv(recv_size) + if not data: + break + buffers.append(data) + return "".join(buffers) + else: + # Read until size bytes or EOF seen, whichever comes first + data = self._rbuf + buf_len = len(data) + if buf_len >= size: + self._rbuf = data[size:] + return data[:size] + buffers = [] + if data: + buffers.append(data) + self._rbuf = "" + while True: + left = size - buf_len + recv_size = max(self._rbufsize, left) + data = self.recv(recv_size) + if not data: + break + buffers.append(data) + n = len(data) + if n >= left: + self._rbuf = data[left:] + buffers[-1] = data[:left] + break + buf_len += n + return "".join(buffers) + + def readline(self, size=-1): + data = self._rbuf + if size < 0: + # Read until \n or EOF, whichever comes first + if self._rbufsize <= 1: + # Speed up unbuffered case + assert data == "" + buffers = [] + while data != "\n": + data = self.recv(1) + if not data: + break + buffers.append(data) + return "".join(buffers) + nl = data.find('\n') + if nl >= 0: + nl += 1 + self._rbuf = data[nl:] + return data[:nl] + buffers = [] + if data: + buffers.append(data) + self._rbuf = "" + while True: + data = self.recv(self._rbufsize) + if not data: + break + buffers.append(data) + nl = data.find('\n') + if nl >= 0: + nl += 1 + self._rbuf = data[nl:] + buffers[-1] = data[:nl] + break + return "".join(buffers) + else: + # Read until size bytes or \n or EOF seen, whichever comes first + nl = data.find('\n', 0, size) + if nl >= 0: + nl += 1 + self._rbuf = data[nl:] + return data[:nl] + buf_len = len(data) + if buf_len >= size: + self._rbuf = data[size:] + return data[:size] + buffers = [] + if data: + buffers.append(data) + self._rbuf = "" + while True: + data = self.recv(self._rbufsize) + if not data: + break + buffers.append(data) + left = size - buf_len + nl = data.find('\n', 0, left) + if nl >= 0: + nl += 1 + self._rbuf = data[nl:] + buffers[-1] = data[:nl] + break + n = len(data) + if n >= left: + self._rbuf = data[left:] + buffers[-1] = data[:left] + break + buf_len += n + return "".join(buffers) + + +class HTTPConnection(object): + """An HTTP connection (active socket). + + server: the Server object which received this connection. + socket: the raw socket object (usually TCP) for this connection. + makefile: a fileobject class for reading from the socket. + """ + + remote_addr = None + remote_port = None + ssl_env = None + rbufsize = DEFAULT_BUFFER_SIZE + wbufsize = DEFAULT_BUFFER_SIZE + RequestHandlerClass = HTTPRequest + + def __init__(self, server, sock, makefile=CP_fileobject): + self.server = server + self.socket = sock + self.rfile = makefile(sock, "rb", self.rbufsize) + self.wfile = makefile(sock, "wb", self.wbufsize) + self.requests_seen = 0 + + def communicate(self): + """Read each request and respond appropriately.""" + request_seen = False + try: + while True: + # (re)set req to None so that if something goes wrong in + # the RequestHandlerClass constructor, the error doesn't + # get written to the previous request. + req = None + req = self.RequestHandlerClass(self.server, self) + + # This order of operations should guarantee correct pipelining. + req.parse_request() + if self.server.stats['Enabled']: + self.requests_seen += 1 + if not req.ready: + # Something went wrong in the parsing (and the server has + # probably already made a simple_response). Return and + # let the conn close. + return + + request_seen = True + req.respond() + if req.close_connection: + return + except socket.error: + e = sys.exc_info()[1] + errnum = e.args[0] + # sadly SSL sockets return a different (longer) time out string + if errnum == 'timed out' or errnum == 'The read operation timed out': + # Don't error if we're between requests; only error + # if 1) no request has been started at all, or 2) we're + # in the middle of a request. + # See http://www.cherrypy.org/ticket/853 + if (not request_seen) or (req and req.started_request): + # Don't bother writing the 408 if the response + # has already started being written. + if req and not req.sent_headers: + try: + req.simple_response("408 Request Timeout") + except FatalSSLAlert: + # Close the connection. + return + elif errnum not in socket_errors_to_ignore: + if req and not req.sent_headers: + try: + req.simple_response("500 Internal Server Error", + format_exc()) + except FatalSSLAlert: + # Close the connection. + return + return + except (KeyboardInterrupt, SystemExit): + raise + except FatalSSLAlert: + # Close the connection. + return + except NoSSLError: + if req and not req.sent_headers: + # Unwrap our wfile + self.wfile = CP_fileobject(self.socket._sock, "wb", self.wbufsize) + req.simple_response("400 Bad Request", + "The client sent a plain HTTP request, but " + "this server only speaks HTTPS on this port.") + self.linger = True + except Exception: + if req and not req.sent_headers: + try: + req.simple_response("500 Internal Server Error", format_exc()) + except FatalSSLAlert: + # Close the connection. + return + + linger = False + + def close(self): + """Close the socket underlying this connection.""" + self.rfile.close() + + if not self.linger: + # Python's socket module does NOT call close on the kernel socket + # when you call socket.close(). We do so manually here because we + # want this server to send a FIN TCP segment immediately. Note this + # must be called *before* calling socket.close(), because the latter + # drops its reference to the kernel socket. + if hasattr(self.socket, '_sock'): + self.socket._sock.close() + self.socket.close() + else: + # On the other hand, sometimes we want to hang around for a bit + # to make sure the client has a chance to read our entire + # response. Skipping the close() calls here delays the FIN + # packet until the socket object is garbage-collected later. + # Someday, perhaps, we'll do the full lingering_close that + # Apache does, but not today. + pass + + +class TrueyZero(object): + """An object which equals and does math like the integer '0' but evals True.""" + def __add__(self, other): + return other + def __radd__(self, other): + return other +trueyzero = TrueyZero() + + +_SHUTDOWNREQUEST = None + +class WorkerThread(threading.Thread): + """Thread which continuously polls a Queue for Connection objects. + + Due to the timing issues of polling a Queue, a WorkerThread does not + check its own 'ready' flag after it has started. To stop the thread, + it is necessary to stick a _SHUTDOWNREQUEST object onto the Queue + (one for each running WorkerThread). + """ + + conn = None + """The current connection pulled off the Queue, or None.""" + + server = None + """The HTTP Server which spawned this thread, and which owns the + Queue and is placing active connections into it.""" + + ready = False + """A simple flag for the calling server to know when this thread + has begun polling the Queue.""" + + + def __init__(self, server): + self.ready = False + self.server = server + + self.requests_seen = 0 + self.bytes_read = 0 + self.bytes_written = 0 + self.start_time = None + self.work_time = 0 + self.stats = { + 'Requests': lambda s: self.requests_seen + ((self.start_time is None) and trueyzero or self.conn.requests_seen), + 'Bytes Read': lambda s: self.bytes_read + ((self.start_time is None) and trueyzero or self.conn.rfile.bytes_read), + 'Bytes Written': lambda s: self.bytes_written + ((self.start_time is None) and trueyzero or self.conn.wfile.bytes_written), + 'Work Time': lambda s: self.work_time + ((self.start_time is None) and trueyzero or time.time() - self.start_time), + 'Read Throughput': lambda s: s['Bytes Read'](s) / (s['Work Time'](s) or 1e-6), + 'Write Throughput': lambda s: s['Bytes Written'](s) / (s['Work Time'](s) or 1e-6), + } + threading.Thread.__init__(self) + + def run(self): + self.server.stats['Worker Threads'][self.getName()] = self.stats + try: + self.ready = True + while True: + conn = self.server.requests.get() + if conn is _SHUTDOWNREQUEST: + return + + self.conn = conn + if self.server.stats['Enabled']: + self.start_time = time.time() + try: + conn.communicate() + finally: + conn.close() + if self.server.stats['Enabled']: + self.requests_seen += self.conn.requests_seen + self.bytes_read += self.conn.rfile.bytes_read + self.bytes_written += self.conn.wfile.bytes_written + self.work_time += time.time() - self.start_time + self.start_time = None + self.conn = None + except (KeyboardInterrupt, SystemExit): + exc = sys.exc_info()[1] + self.server.interrupt = exc + + +class ThreadPool(object): + """A Request Queue for an HTTPServer which pools threads. + + ThreadPool objects must provide min, get(), put(obj), start() + and stop(timeout) attributes. + """ + + def __init__(self, server, min=10, max=-1): + self.server = server + self.min = min + self.max = max + self._threads = [] + self._queue = queue.Queue() + self.get = self._queue.get + + def start(self): + """Start the pool of threads.""" + for i in range(self.min): + self._threads.append(WorkerThread(self.server)) + for worker in self._threads: + worker.setName("CP Server " + worker.getName()) + worker.start() + for worker in self._threads: + while not worker.ready: + time.sleep(.1) + + def _get_idle(self): + """Number of worker threads which are idle. Read-only.""" + return len([t for t in self._threads if t.conn is None]) + idle = property(_get_idle, doc=_get_idle.__doc__) + + def put(self, obj): + self._queue.put(obj) + if obj is _SHUTDOWNREQUEST: + return + + def grow(self, amount): + """Spawn new worker threads (not above self.max).""" + for i in range(amount): + if self.max > 0 and len(self._threads) >= self.max: + break + worker = WorkerThread(self.server) + worker.setName("CP Server " + worker.getName()) + self._threads.append(worker) + worker.start() + + def shrink(self, amount): + """Kill off worker threads (not below self.min).""" + # Grow/shrink the pool if necessary. + # Remove any dead threads from our list + for t in self._threads: + if not t.isAlive(): + self._threads.remove(t) + amount -= 1 + + if amount > 0: + for i in range(min(amount, len(self._threads) - self.min)): + # Put a number of shutdown requests on the queue equal + # to 'amount'. Once each of those is processed by a worker, + # that worker will terminate and be culled from our list + # in self.put. + self._queue.put(_SHUTDOWNREQUEST) + + def stop(self, timeout=5): + # Must shut down threads here so the code that calls + # this method can know when all threads are stopped. + for worker in self._threads: + self._queue.put(_SHUTDOWNREQUEST) + + # Don't join currentThread (when stop is called inside a request). + current = threading.currentThread() + if timeout and timeout >= 0: + endtime = time.time() + timeout + while self._threads: + worker = self._threads.pop() + if worker is not current and worker.isAlive(): + try: + if timeout is None or timeout < 0: + worker.join() + else: + remaining_time = endtime - time.time() + if remaining_time > 0: + worker.join(remaining_time) + if worker.isAlive(): + # We exhausted the timeout. + # Forcibly shut down the socket. + c = worker.conn + if c and not c.rfile.closed: + try: + c.socket.shutdown(socket.SHUT_RD) + except TypeError: + # pyOpenSSL sockets don't take an arg + c.socket.shutdown() + worker.join() + except (AssertionError, + # Ignore repeated Ctrl-C. + # See http://www.cherrypy.org/ticket/691. + KeyboardInterrupt): + pass + + def _get_qsize(self): + return self._queue.qsize() + qsize = property(_get_qsize) + + + +try: + import fcntl +except ImportError: + try: + from ctypes import windll, WinError + except ImportError: + def prevent_socket_inheritance(sock): + """Dummy function, since neither fcntl nor ctypes are available.""" + pass + else: + def prevent_socket_inheritance(sock): + """Mark the given socket fd as non-inheritable (Windows).""" + if not windll.kernel32.SetHandleInformation(sock.fileno(), 1, 0): + raise WinError() +else: + def prevent_socket_inheritance(sock): + """Mark the given socket fd as non-inheritable (POSIX).""" + fd = sock.fileno() + old_flags = fcntl.fcntl(fd, fcntl.F_GETFD) + fcntl.fcntl(fd, fcntl.F_SETFD, old_flags | fcntl.FD_CLOEXEC) + + +class SSLAdapter(object): + """Base class for SSL driver library adapters. + + Required methods: + + * ``wrap(sock) -> (wrapped socket, ssl environ dict)`` + * ``makefile(sock, mode='r', bufsize=DEFAULT_BUFFER_SIZE) -> socket file object`` + """ + + def __init__(self, certificate, private_key, certificate_chain=None): + self.certificate = certificate + self.private_key = private_key + self.certificate_chain = certificate_chain + + def wrap(self, sock): + raise NotImplemented + + def makefile(self, sock, mode='r', bufsize=DEFAULT_BUFFER_SIZE): + raise NotImplemented + + +class HTTPServer(object): + """An HTTP server.""" + + _bind_addr = "127.0.0.1" + _interrupt = None + + gateway = None + """A Gateway instance.""" + + minthreads = None + """The minimum number of worker threads to create (default 10).""" + + maxthreads = None + """The maximum number of worker threads to create (default -1 = no limit).""" + + server_name = None + """The name of the server; defaults to socket.gethostname().""" + + protocol = "HTTP/1.1" + """The version string to write in the Status-Line of all HTTP responses. + + For example, "HTTP/1.1" is the default. This also limits the supported + features used in the response.""" + + request_queue_size = 5 + """The 'backlog' arg to socket.listen(); max queued connections (default 5).""" + + shutdown_timeout = 5 + """The total time, in seconds, to wait for worker threads to cleanly exit.""" + + timeout = 10 + """The timeout in seconds for accepted connections (default 10).""" + + version = "CherryPy/3.2.1" + """A version string for the HTTPServer.""" + + software = None + """The value to set for the SERVER_SOFTWARE entry in the WSGI environ. + + If None, this defaults to ``'%s Server' % self.version``.""" + + ready = False + """An internal flag which marks whether the socket is accepting connections.""" + + max_request_header_size = 0 + """The maximum size, in bytes, for request headers, or 0 for no limit.""" + + max_request_body_size = 0 + """The maximum size, in bytes, for request bodies, or 0 for no limit.""" + + nodelay = True + """If True (the default since 3.1), sets the TCP_NODELAY socket option.""" + + ConnectionClass = HTTPConnection + """The class to use for handling HTTP connections.""" + + ssl_adapter = None + """An instance of SSLAdapter (or a subclass). + + You must have the corresponding SSL driver library installed.""" + + def __init__(self, bind_addr, gateway, minthreads=10, maxthreads=-1, + server_name=None): + self.bind_addr = bind_addr + self.gateway = gateway + + self.requests = ThreadPool(self, min=minthreads or 1, max=maxthreads) + + if not server_name: + server_name = socket.gethostname() + self.server_name = server_name + self.clear_stats() + + def clear_stats(self): + self._start_time = None + self._run_time = 0 + self.stats = { + 'Enabled': False, + 'Bind Address': lambda s: repr(self.bind_addr), + 'Run time': lambda s: (not s['Enabled']) and -1 or self.runtime(), + 'Accepts': 0, + 'Accepts/sec': lambda s: s['Accepts'] / self.runtime(), + 'Queue': lambda s: getattr(self.requests, "qsize", None), + 'Threads': lambda s: len(getattr(self.requests, "_threads", [])), + 'Threads Idle': lambda s: getattr(self.requests, "idle", None), + 'Socket Errors': 0, + 'Requests': lambda s: (not s['Enabled']) and -1 or sum([w['Requests'](w) for w + in s['Worker Threads'].values()], 0), + 'Bytes Read': lambda s: (not s['Enabled']) and -1 or sum([w['Bytes Read'](w) for w + in s['Worker Threads'].values()], 0), + 'Bytes Written': lambda s: (not s['Enabled']) and -1 or sum([w['Bytes Written'](w) for w + in s['Worker Threads'].values()], 0), + 'Work Time': lambda s: (not s['Enabled']) and -1 or sum([w['Work Time'](w) for w + in s['Worker Threads'].values()], 0), + 'Read Throughput': lambda s: (not s['Enabled']) and -1 or sum( + [w['Bytes Read'](w) / (w['Work Time'](w) or 1e-6) + for w in s['Worker Threads'].values()], 0), + 'Write Throughput': lambda s: (not s['Enabled']) and -1 or sum( + [w['Bytes Written'](w) / (w['Work Time'](w) or 1e-6) + for w in s['Worker Threads'].values()], 0), + 'Worker Threads': {}, + } + logging.statistics["CherryPy HTTPServer %d" % id(self)] = self.stats + + def runtime(self): + if self._start_time is None: + return self._run_time + else: + return self._run_time + (time.time() - self._start_time) + + def __str__(self): + return "%s.%s(%r)" % (self.__module__, self.__class__.__name__, + self.bind_addr) + + def _get_bind_addr(self): + return self._bind_addr + def _set_bind_addr(self, value): + if isinstance(value, tuple) and value[0] in ('', None): + # Despite the socket module docs, using '' does not + # allow AI_PASSIVE to work. Passing None instead + # returns '0.0.0.0' like we want. In other words: + # host AI_PASSIVE result + # '' Y 192.168.x.y + # '' N 192.168.x.y + # None Y 0.0.0.0 + # None N 127.0.0.1 + # But since you can get the same effect with an explicit + # '0.0.0.0', we deny both the empty string and None as values. + raise ValueError("Host values of '' or None are not allowed. " + "Use '0.0.0.0' (IPv4) or '::' (IPv6) instead " + "to listen on all active interfaces.") + self._bind_addr = value + bind_addr = property(_get_bind_addr, _set_bind_addr, + doc="""The interface on which to listen for connections. + + For TCP sockets, a (host, port) tuple. Host values may be any IPv4 + or IPv6 address, or any valid hostname. The string 'localhost' is a + synonym for '127.0.0.1' (or '::1', if your hosts file prefers IPv6). + The string '0.0.0.0' is a special IPv4 entry meaning "any active + interface" (INADDR_ANY), and '::' is the similar IN6ADDR_ANY for + IPv6. The empty string or None are not allowed. + + For UNIX sockets, supply the filename as a string.""") + + def start(self): + """Run the server forever.""" + # We don't have to trap KeyboardInterrupt or SystemExit here, + # because cherrpy.server already does so, calling self.stop() for us. + # If you're using this server with another framework, you should + # trap those exceptions in whatever code block calls start(). + self._interrupt = None + + if self.software is None: + self.software = "%s Server" % self.version + + # SSL backward compatibility + if (self.ssl_adapter is None and + getattr(self, 'ssl_certificate', None) and + getattr(self, 'ssl_private_key', None)): + warnings.warn( + "SSL attributes are deprecated in CherryPy 3.2, and will " + "be removed in CherryPy 3.3. Use an ssl_adapter attribute " + "instead.", + DeprecationWarning + ) + try: + from cherrypy.wsgiserver.ssl_pyopenssl import pyOpenSSLAdapter + except ImportError: + pass + else: + self.ssl_adapter = pyOpenSSLAdapter( + self.ssl_certificate, self.ssl_private_key, + getattr(self, 'ssl_certificate_chain', None)) + + # Select the appropriate socket + if isinstance(self.bind_addr, basestring): + # AF_UNIX socket + + # So we can reuse the socket... + try: os.unlink(self.bind_addr) + except: pass + + # So everyone can access the socket... + try: os.chmod(self.bind_addr, 511) # 0777 + except: pass + + info = [(socket.AF_UNIX, socket.SOCK_STREAM, 0, "", self.bind_addr)] + else: + # AF_INET or AF_INET6 socket + # Get the correct address family for our host (allows IPv6 addresses) + host, port = self.bind_addr + try: + info = socket.getaddrinfo(host, port, socket.AF_UNSPEC, + socket.SOCK_STREAM, 0, socket.AI_PASSIVE) + except socket.gaierror: + if ':' in self.bind_addr[0]: + info = [(socket.AF_INET6, socket.SOCK_STREAM, + 0, "", self.bind_addr + (0, 0))] + else: + info = [(socket.AF_INET, socket.SOCK_STREAM, + 0, "", self.bind_addr)] + + self.socket = None + msg = "No socket could be created" + for res in info: + af, socktype, proto, canonname, sa = res + try: + self.bind(af, socktype, proto) + except socket.error: + if self.socket: + self.socket.close() + self.socket = None + continue + break + if not self.socket: + raise socket.error(msg) + + # Timeout so KeyboardInterrupt can be caught on Win32 + self.socket.settimeout(1) + self.socket.listen(self.request_queue_size) + + # Create worker threads + self.requests.start() + + self.ready = True + self._start_time = time.time() + while self.ready: + self.tick() + if self.interrupt: + while self.interrupt is True: + # Wait for self.stop() to complete. See _set_interrupt. + time.sleep(0.1) + if self.interrupt: + raise self.interrupt + + def bind(self, family, type, proto=0): + """Create (or recreate) the actual socket object.""" + self.socket = socket.socket(family, type, proto) + prevent_socket_inheritance(self.socket) + self.socket.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1) + if self.nodelay and not isinstance(self.bind_addr, str): + self.socket.setsockopt(socket.IPPROTO_TCP, socket.TCP_NODELAY, 1) + + if self.ssl_adapter is not None: + self.socket = self.ssl_adapter.bind(self.socket) + + # If listening on the IPV6 any address ('::' = IN6ADDR_ANY), + # activate dual-stack. See http://www.cherrypy.org/ticket/871. + if (hasattr(socket, 'AF_INET6') and family == socket.AF_INET6 + and self.bind_addr[0] in ('::', '::0', '::0.0.0.0')): + try: + self.socket.setsockopt(socket.IPPROTO_IPV6, socket.IPV6_V6ONLY, 0) + except (AttributeError, socket.error): + # Apparently, the socket option is not available in + # this machine's TCP stack + pass + + self.socket.bind(self.bind_addr) + + def tick(self): + """Accept a new connection and put it on the Queue.""" + try: + s, addr = self.socket.accept() + if self.stats['Enabled']: + self.stats['Accepts'] += 1 + if not self.ready: + return + + prevent_socket_inheritance(s) + if hasattr(s, 'settimeout'): + s.settimeout(self.timeout) + + makefile = CP_fileobject + ssl_env = {} + # if ssl cert and key are set, we try to be a secure HTTP server + if self.ssl_adapter is not None: + try: + s, ssl_env = self.ssl_adapter.wrap(s) + except NoSSLError: + msg = ("The client sent a plain HTTP request, but " + "this server only speaks HTTPS on this port.") + buf = ["%s 400 Bad Request\r\n" % self.protocol, + "Content-Length: %s\r\n" % len(msg), + "Content-Type: text/plain\r\n\r\n", + msg] + + wfile = makefile(s, "wb", DEFAULT_BUFFER_SIZE) + try: + wfile.sendall("".join(buf)) + except socket.error: + x = sys.exc_info()[1] + if x.args[0] not in socket_errors_to_ignore: + raise + return + if not s: + return + makefile = self.ssl_adapter.makefile + # Re-apply our timeout since we may have a new socket object + if hasattr(s, 'settimeout'): + s.settimeout(self.timeout) + + conn = self.ConnectionClass(self, s, makefile) + + if not isinstance(self.bind_addr, basestring): + # optional values + # Until we do DNS lookups, omit REMOTE_HOST + if addr is None: # sometimes this can happen + # figure out if AF_INET or AF_INET6. + if len(s.getsockname()) == 2: + # AF_INET + addr = ('0.0.0.0', 0) + else: + # AF_INET6 + addr = ('::', 0) + conn.remote_addr = addr[0] + conn.remote_port = addr[1] + + conn.ssl_env = ssl_env + + self.requests.put(conn) + except socket.timeout: + # The only reason for the timeout in start() is so we can + # notice keyboard interrupts on Win32, which don't interrupt + # accept() by default + return + except socket.error: + x = sys.exc_info()[1] + if self.stats['Enabled']: + self.stats['Socket Errors'] += 1 + if x.args[0] in socket_error_eintr: + # I *think* this is right. EINTR should occur when a signal + # is received during the accept() call; all docs say retry + # the call, and I *think* I'm reading it right that Python + # will then go ahead and poll for and handle the signal + # elsewhere. See http://www.cherrypy.org/ticket/707. + return + if x.args[0] in socket_errors_nonblocking: + # Just try again. See http://www.cherrypy.org/ticket/479. + return + if x.args[0] in socket_errors_to_ignore: + # Our socket was closed. + # See http://www.cherrypy.org/ticket/686. + return + raise + + def _get_interrupt(self): + return self._interrupt + def _set_interrupt(self, interrupt): + self._interrupt = True + self.stop() + self._interrupt = interrupt + interrupt = property(_get_interrupt, _set_interrupt, + doc="Set this to an Exception instance to " + "interrupt the server.") + + def stop(self): + """Gracefully shutdown a server that is serving forever.""" + self.ready = False + if self._start_time is not None: + self._run_time += (time.time() - self._start_time) + self._start_time = None + + sock = getattr(self, "socket", None) + if sock: + if not isinstance(self.bind_addr, basestring): + # Touch our own socket to make accept() return immediately. + try: + host, port = sock.getsockname()[:2] + except socket.error: + x = sys.exc_info()[1] + if x.args[0] not in socket_errors_to_ignore: + # Changed to use error code and not message + # See http://www.cherrypy.org/ticket/860. + raise + else: + # Note that we're explicitly NOT using AI_PASSIVE, + # here, because we want an actual IP to touch. + # localhost won't work if we've bound to a public IP, + # but it will if we bound to '0.0.0.0' (INADDR_ANY). + for res in socket.getaddrinfo(host, port, socket.AF_UNSPEC, + socket.SOCK_STREAM): + af, socktype, proto, canonname, sa = res + s = None + try: + s = socket.socket(af, socktype, proto) + # See http://groups.google.com/group/cherrypy-users/ + # browse_frm/thread/bbfe5eb39c904fe0 + s.settimeout(1.0) + s.connect((host, port)) + s.close() + except socket.error: + if s: + s.close() + if hasattr(sock, "close"): + sock.close() + self.socket = None + + self.requests.stop(self.shutdown_timeout) + + +class Gateway(object): + """A base class to interface HTTPServer with other systems, such as WSGI.""" + + def __init__(self, req): + self.req = req + + def respond(self): + """Process the current request. Must be overridden in a subclass.""" + raise NotImplemented + + +# These may either be wsgiserver.SSLAdapter subclasses or the string names +# of such classes (in which case they will be lazily loaded). +ssl_adapters = { + 'builtin': 'cherrypy.wsgiserver.ssl_builtin.BuiltinSSLAdapter', + 'pyopenssl': 'cherrypy.wsgiserver.ssl_pyopenssl.pyOpenSSLAdapter', + } + +def get_ssl_adapter_class(name='pyopenssl'): + """Return an SSL adapter class for the given name.""" + adapter = ssl_adapters[name.lower()] + if isinstance(adapter, basestring): + last_dot = adapter.rfind(".") + attr_name = adapter[last_dot + 1:] + mod_path = adapter[:last_dot] + + try: + mod = sys.modules[mod_path] + if mod is None: + raise KeyError() + except KeyError: + # The last [''] is important. + mod = __import__(mod_path, globals(), locals(), ['']) + + # Let an AttributeError propagate outward. + try: + adapter = getattr(mod, attr_name) + except AttributeError: + raise AttributeError("'%s' object has no attribute '%s'" + % (mod_path, attr_name)) + + return adapter + +# -------------------------------- WSGI Stuff -------------------------------- # + + +class CherryPyWSGIServer(HTTPServer): + """A subclass of HTTPServer which calls a WSGI application.""" + + wsgi_version = (1, 0) + """The version of WSGI to produce.""" + + def __init__(self, bind_addr, wsgi_app, numthreads=10, server_name=None, + max=-1, request_queue_size=5, timeout=10, shutdown_timeout=5): + self.requests = ThreadPool(self, min=numthreads or 1, max=max) + self.wsgi_app = wsgi_app + self.gateway = wsgi_gateways[self.wsgi_version] + + self.bind_addr = bind_addr + if not server_name: + server_name = socket.gethostname() + self.server_name = server_name + self.request_queue_size = request_queue_size + + self.timeout = timeout + self.shutdown_timeout = shutdown_timeout + self.clear_stats() + + def _get_numthreads(self): + return self.requests.min + def _set_numthreads(self, value): + self.requests.min = value + numthreads = property(_get_numthreads, _set_numthreads) + + +class WSGIGateway(Gateway): + """A base class to interface HTTPServer with WSGI.""" + + def __init__(self, req): + self.req = req + self.started_response = False + self.env = self.get_environ() + self.remaining_bytes_out = None + + def get_environ(self): + """Return a new environ dict targeting the given wsgi.version""" + raise NotImplemented + + def respond(self): + """Process the current request.""" + response = self.req.server.wsgi_app(self.env, self.start_response) + try: + for chunk in response: + # "The start_response callable must not actually transmit + # the response headers. Instead, it must store them for the + # server or gateway to transmit only after the first + # iteration of the application return value that yields + # a NON-EMPTY string, or upon the application's first + # invocation of the write() callable." (PEP 333) + if chunk: + if isinstance(chunk, unicodestr): + chunk = chunk.encode('ISO-8859-1') + self.write(chunk) + finally: + if hasattr(response, "close"): + response.close() + + def start_response(self, status, headers, exc_info = None): + """WSGI callable to begin the HTTP response.""" + # "The application may call start_response more than once, + # if and only if the exc_info argument is provided." + if self.started_response and not exc_info: + raise AssertionError("WSGI start_response called a second " + "time with no exc_info.") + self.started_response = True + + # "if exc_info is provided, and the HTTP headers have already been + # sent, start_response must raise an error, and should raise the + # exc_info tuple." + if self.req.sent_headers: + try: + raise exc_info[0], exc_info[1], exc_info[2] + finally: + exc_info = None + + self.req.status = status + for k, v in headers: + if not isinstance(k, bytestr): + raise TypeError("WSGI response header key %r is not a byte string." % k) + if not isinstance(v, bytestr): + raise TypeError("WSGI response header value %r is not a byte string." % v) + if k.lower() == 'content-length': + self.remaining_bytes_out = int(v) + self.req.outheaders.extend(headers) + + return self.write + + def write(self, chunk): + """WSGI callable to write unbuffered data to the client. + + This method is also used internally by start_response (to write + data from the iterable returned by the WSGI application). + """ + if not self.started_response: + raise AssertionError("WSGI write called before start_response.") + + chunklen = len(chunk) + rbo = self.remaining_bytes_out + if rbo is not None and chunklen > rbo: + if not self.req.sent_headers: + # Whew. We can send a 500 to the client. + self.req.simple_response("500 Internal Server Error", + "The requested resource returned more bytes than the " + "declared Content-Length.") + else: + # Dang. We have probably already sent data. Truncate the chunk + # to fit (so the client doesn't hang) and raise an error later. + chunk = chunk[:rbo] + + if not self.req.sent_headers: + self.req.sent_headers = True + self.req.send_headers() + + self.req.write(chunk) + + if rbo is not None: + rbo -= chunklen + if rbo < 0: + raise ValueError( + "Response body exceeds the declared Content-Length.") + + +class WSGIGateway_10(WSGIGateway): + """A Gateway class to interface HTTPServer with WSGI 1.0.x.""" + + def get_environ(self): + """Return a new environ dict targeting the given wsgi.version""" + req = self.req + env = { + # set a non-standard environ entry so the WSGI app can know what + # the *real* server protocol is (and what features to support). + # See http://www.faqs.org/rfcs/rfc2145.html. + 'ACTUAL_SERVER_PROTOCOL': req.server.protocol, + 'PATH_INFO': req.path, + 'QUERY_STRING': req.qs, + 'REMOTE_ADDR': req.conn.remote_addr or '', + 'REMOTE_PORT': str(req.conn.remote_port or ''), + 'REQUEST_METHOD': req.method, + 'REQUEST_URI': req.uri, + 'SCRIPT_NAME': '', + 'SERVER_NAME': req.server.server_name, + # Bah. "SERVER_PROTOCOL" is actually the REQUEST protocol. + 'SERVER_PROTOCOL': req.request_protocol, + 'SERVER_SOFTWARE': req.server.software, + 'wsgi.errors': sys.stderr, + 'wsgi.input': req.rfile, + 'wsgi.multiprocess': False, + 'wsgi.multithread': True, + 'wsgi.run_once': False, + 'wsgi.url_scheme': req.scheme, + 'wsgi.version': (1, 0), + } + + if isinstance(req.server.bind_addr, basestring): + # AF_UNIX. This isn't really allowed by WSGI, which doesn't + # address unix domain sockets. But it's better than nothing. + env["SERVER_PORT"] = "" + else: + env["SERVER_PORT"] = str(req.server.bind_addr[1]) + + # Request headers + for k, v in req.inheaders.iteritems(): + env["HTTP_" + k.upper().replace("-", "_")] = v + + # CONTENT_TYPE/CONTENT_LENGTH + ct = env.pop("HTTP_CONTENT_TYPE", None) + if ct is not None: + env["CONTENT_TYPE"] = ct + cl = env.pop("HTTP_CONTENT_LENGTH", None) + if cl is not None: + env["CONTENT_LENGTH"] = cl + + if req.conn.ssl_env: + env.update(req.conn.ssl_env) + + return env + + +class WSGIGateway_u0(WSGIGateway_10): + """A Gateway class to interface HTTPServer with WSGI u.0. + + WSGI u.0 is an experimental protocol, which uses unicode for keys and values + in both Python 2 and Python 3. + """ + + def get_environ(self): + """Return a new environ dict targeting the given wsgi.version""" + req = self.req + env_10 = WSGIGateway_10.get_environ(self) + env = dict([(k.decode('ISO-8859-1'), v) for k, v in env_10.iteritems()]) + env[u'wsgi.version'] = ('u', 0) + + # Request-URI + env.setdefault(u'wsgi.url_encoding', u'utf-8') + try: + for key in [u"PATH_INFO", u"SCRIPT_NAME", u"QUERY_STRING"]: + env[key] = env_10[str(key)].decode(env[u'wsgi.url_encoding']) + except UnicodeDecodeError: + # Fall back to latin 1 so apps can transcode if needed. + env[u'wsgi.url_encoding'] = u'ISO-8859-1' + for key in [u"PATH_INFO", u"SCRIPT_NAME", u"QUERY_STRING"]: + env[key] = env_10[str(key)].decode(env[u'wsgi.url_encoding']) + + for k, v in sorted(env.items()): + if isinstance(v, str) and k not in ('REQUEST_URI', 'wsgi.input'): + env[k] = v.decode('ISO-8859-1') + + return env + +wsgi_gateways = { + (1, 0): WSGIGateway_10, + ('u', 0): WSGIGateway_u0, +} + +class WSGIPathInfoDispatcher(object): + """A WSGI dispatcher for dispatch based on the PATH_INFO. + + apps: a dict or list of (path_prefix, app) pairs. + """ + + def __init__(self, apps): + try: + apps = list(apps.items()) + except AttributeError: + pass + + # Sort the apps by len(path), descending + apps.sort(cmp=lambda x,y: cmp(len(x[0]), len(y[0]))) + apps.reverse() + + # The path_prefix strings must start, but not end, with a slash. + # Use "" instead of "/". + self.apps = [(p.rstrip("/"), a) for p, a in apps] + + def __call__(self, environ, start_response): + path = environ["PATH_INFO"] or "/" + for p, app in self.apps: + # The apps list should be sorted by length, descending. + if path.startswith(p + "/") or path == p: + environ = environ.copy() + environ["SCRIPT_NAME"] = environ["SCRIPT_NAME"] + p + environ["PATH_INFO"] = path[len(p):] + return app(environ, start_response) + + start_response('404 Not Found', [('Content-Type', 'text/plain'), + ('Content-Length', '0')]) + return [''] |