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author | Walter Purcaro <vuolter@gmail.com> | 2014-09-08 01:08:03 +0200 |
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committer | Walter Purcaro <vuolter@gmail.com> | 2014-09-14 11:03:20 +0200 |
commit | 91115fd577f20704ef7f2e74c4527ffbb0730a09 (patch) | |
tree | 198fc68f1eb6f42e220d0f1c68499f48ae70543c /pyload/utils/__init__.py | |
parent | Project __init__ with info (diff) | |
download | pyload-91115fd577f20704ef7f2e74c4527ffbb0730a09.tar.xz |
Restructure pyload file tree (1)
Diffstat (limited to 'pyload/utils/__init__.py')
-rw-r--r-- | pyload/utils/__init__.py | 227 |
1 files changed, 227 insertions, 0 deletions
diff --git a/pyload/utils/__init__.py b/pyload/utils/__init__.py new file mode 100644 index 000000000..b9eb8c88e --- /dev/null +++ b/pyload/utils/__init__.py @@ -0,0 +1,227 @@ +# -*- coding: utf-8 -*- + +""" Store all useful functions here """ + +import os +import sys +import time +import re +from os.path import join +from string import maketrans +from htmlentitydefs import name2codepoint + + +def chmod(*args): + try: + os.chmod(*args) + except: + pass + + +def decode(string): + """ decode string with utf if possible """ + try: + return string.decode("utf8", "replace") + except: + return string + + +def remove_chars(string, repl): + """ removes all chars in repl from string""" + if type(repl) == unicode: + for badc in list(repl): + string = string.replace(badc, "") + return string + else: + if type(string) == str: + return string.translate(maketrans("", ""), repl) + elif type(string) == unicode: + return string.translate(dict([(ord(s), None) for s in repl])) + + +def safe_filename(name): + """ remove bad chars """ + name = name.encode('ascii', 'replace') # Non-ASCII chars usually breaks file saving. Replacing. + if os.name == 'nt': + return remove_chars(name, u'\00\01\02\03\04\05\06\07\10\11\12\13\14\15\16\17\20\21\22\23\24\25\26\27\30\31\32' + u'\33\34\35\36\37/\\?%*:|"<>') + else: + return remove_chars(name, u'\0/\\"') + +#: Deprecated method +def save_path(name): + return safe_filename(name) + + +def safe_join(*args): + """ joins a path, encoding aware """ + return fs_encode(join(*[x if type(x) == unicode else decode(x) for x in args])) + +#: Deprecated method +def save_join(*args): + return safe_join(*args) + + +# File System Encoding functions: +# Use fs_encode before accesing files on disk, it will encode the string properly + +if sys.getfilesystemencoding().startswith('ANSI'): + def fs_encode(string): + try: + string = string.encode('utf-8') + finally: + return string + + fs_decode = decode #decode utf8 + +else: + fs_encode = fs_decode = lambda x: x # do nothing + + +def get_console_encoding(enc): + if os.name == "nt": + if enc == "cp65001": # aka UTF-8 + print "WARNING: Windows codepage 65001 is not supported." + enc = "cp850" + else: + enc = "utf8" + + return enc + + +def compare_time(start, end): + start = map(int, start) + end = map(int, end) + + if start == end: return True + + now = list(time.localtime()[3:5]) + if start < now < end: return True + elif start > end and (now > start or now < end): return True + elif start < now > end < start: return True + else: return False + + +def formatSize(size): + """formats size of bytes""" + size = int(size) + steps = 0 + sizes = ("B", "KiB", "MiB", "GiB", "TiB", "PiB", "EiB") + while size > 1000: + size /= 1024.0 + steps += 1 + return "%.2f %s" % (size, sizes[steps]) + + +def formatSpeed(speed): + return formatSize(speed) + "/s" + + +def freeSpace(folder): + if os.name == "nt": + import ctypes + + free_bytes = ctypes.c_ulonglong(0) + ctypes.windll.kernel32.GetDiskFreeSpaceExW(ctypes.c_wchar_p(folder), None, None, ctypes.pointer(free_bytes)) + return free_bytes.value + else: + s = os.statvfs(folder) + return s.f_bsize * s.f_bavail + + +def fs_bsize(path): + """ get optimal file system buffer size (in bytes) for I/O calls """ + path = fs_encode(path) + + if os.name == "nt": + import ctypes + + drive = "%s\\" % os.path.splitdrive(path)[0] + cluster_sectors, sector_size = ctypes.c_longlong(0) + ctypes.windll.kernel32.GetDiskFreeSpaceW(ctypes.c_wchar_p(drive), ctypes.pointer(cluster_sectors), ctypes.pointer(sector_size), None, None) + return cluster_sectors * sector_size + else: + return os.statvfs(path).f_bsize + + +def uniqify(seq): #: Originally by Dave Kirby + """ removes duplicates from list, preserve order """ + seen = set() + seen_add = seen.add + return [x for x in seq if x not in seen and not seen_add(x)] + + +def parseFileSize(string, unit=None): #returns bytes + if not unit: + m = re.match(r"([\d.,]+) *([a-zA-Z]*)", string.strip().lower()) + if m: + traffic = float(m.group(1).replace(",", ".")) + unit = m.group(2) + else: + return 0 + else: + if isinstance(string, basestring): + traffic = float(string.replace(",", ".")) + else: + traffic = string + + #ignore case + unit = unit.lower().strip() + + if unit in ("eb", "ebyte", "exabyte", "eib", "e"): + traffic *= 1 << 60 + elif unit in ("pb", "pbyte", "petabyte", "pib", "p"): + traffic *= 1 << 50 + elif unit in ("tb", "tbyte", "terabyte", "tib", "t"): + traffic *= 1 << 40 + elif unit in ("gb", "gbyte", "gigabyte", "gib", "g", "gig"): + traffic *= 1 << 30 + elif unit in ("mb", "mbyte", "megabyte", "mib", "m"): + traffic *= 1 << 20 + elif unit in ("kb", "kbyte", "kilobyte", "kib", "k"): + traffic *= 1 << 10 + + return traffic + + +def lock(func): + def new(*args): + #print "Handler: %s args: %s" % (func, args[1:]) + args[0].lock.acquire() + try: + return func(*args) + finally: + args[0].lock.release() + + return new + + +def fixup(m): + text = m.group(0) + if text[:2] == "&#": + # character reference + try: + if text[:3] == "&#x": + return unichr(int(text[3:-1], 16)) + else: + return unichr(int(text[2:-1])) + except ValueError: + pass + else: + # named entity + try: + name = text[1:-1] + text = unichr(name2codepoint[name]) + except KeyError: + pass + + return text # leave as is + + +def html_unescape(text): + """Removes HTML or XML character references and entities from a text string""" + return re.sub("&#?\w+;", fixup, text) + + +def versiontuple(v): #: By kindall (http://stackoverflow.com/a/11887825) + return tuple(map(int, (v.split(".")))) |