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authorGravatar Walter Purcaro <vuolter@gmail.com> 2014-09-08 01:08:03 +0200
committerGravatar Walter Purcaro <vuolter@gmail.com> 2014-09-14 11:03:20 +0200
commit91115fd577f20704ef7f2e74c4527ffbb0730a09 (patch)
tree198fc68f1eb6f42e220d0f1c68499f48ae70543c /pyload/utils/__init__.py
parentProject __init__ with info (diff)
downloadpyload-91115fd577f20704ef7f2e74c4527ffbb0730a09.tar.xz
Restructure pyload file tree (1)
Diffstat (limited to 'pyload/utils/__init__.py')
-rw-r--r--pyload/utils/__init__.py227
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
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+++ 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("."))))