# coding: utf-8
from __future__ import unicode_literals
+import base64
import binascii
import collections
+import ctypes
import email
import getpass
import io
+import itertools
import optparse
import os
+import platform
import re
import shlex
import shutil
import struct
import subprocess
import sys
-import itertools
import xml.etree.ElementTree
except ImportError: # Python 2
from HTMLParser import HTMLParser as compat_HTMLParser
+try: # Python 2
+ from HTMLParser import HTMLParseError as compat_HTMLParseError
+except ImportError: # Python <3.4
+ try:
+ from html.parser import HTMLParseError as compat_HTMLParseError
+ except ImportError: # Python >3.4
+
+ # HTMLParseError has been deprecated in Python 3.3 and removed in
+ # Python 3.5. Introducing dummy exception for Python >3.5 for compatible
+ # and uniform cross-version exceptiong handling
+ class compat_HTMLParseError(Exception):
+ pass
+
try:
from subprocess import DEVNULL
compat_subprocess_get_DEVNULL = lambda: DEVNULL
parsed_result[name] = [value]
return parsed_result
-try:
- from shlex import quote as compat_shlex_quote
-except ImportError: # Python < 3.3
+
+compat_os_name = os._name if os.name == 'java' else os.name
+
+
+if compat_os_name == 'nt':
def compat_shlex_quote(s):
- if re.match(r'^[-_\w./]+$', s):
- return s
- else:
- return "'" + s.replace("'", "'\"'\"'") + "'"
+ return s if re.match(r'^[-_\w./]+$', s) else '"%s"' % s.replace('"', '\\"')
+else:
+ try:
+ from shlex import quote as compat_shlex_quote
+ except ImportError: # Python < 3.3
+ def compat_shlex_quote(s):
+ if re.match(r'^[-_\w./]+$', s):
+ return s
+ else:
+ return "'" + s.replace("'", "'\"'\"'") + "'"
try:
return ord(c)
-compat_os_name = os._name if os.name == 'java' else os.name
-
-
if sys.version_info >= (3, 0):
compat_getenv = os.getenv
compat_expanduser = os.path.expanduser
userhome = pwent.pw_dir
userhome = userhome.rstrip('/')
return (userhome + path[i:]) or '/'
- elif compat_os_name == 'nt' or compat_os_name == 'ce':
+ elif compat_os_name in ('nt', 'ce'):
def compat_expanduser(path):
"""Expand ~ and ~user constructs.
if isinstance(spec, compat_str):
spec = spec.encode('ascii')
return struct.unpack(spec, *args)
+
+ class compat_Struct(struct.Struct):
+ def __init__(self, fmt):
+ if isinstance(fmt, compat_str):
+ fmt = fmt.encode('ascii')
+ super(compat_Struct, self).__init__(fmt)
else:
compat_struct_pack = struct.pack
compat_struct_unpack = struct.unpack
+ if platform.python_implementation() == 'IronPython' and sys.version_info < (2, 7, 8):
+ class compat_Struct(struct.Struct):
+ def unpack(self, string):
+ if not isinstance(string, buffer): # noqa: F821
+ string = buffer(string) # noqa: F821
+ return super(compat_Struct, self).unpack(string)
+ else:
+ compat_Struct = struct.Struct
+
+
+try:
+ from future_builtins import zip as compat_zip
+except ImportError: # not 2.6+ or is 3.x
+ try:
+ from itertools import izip as compat_zip # < 2.5 or 3.x
+ except ImportError:
+ compat_zip = zip
+
+
+if sys.version_info < (3, 3):
+ def compat_b64decode(s, *args, **kwargs):
+ if isinstance(s, compat_str):
+ s = s.encode('ascii')
+ return base64.b64decode(s, *args, **kwargs)
+else:
+ compat_b64decode = base64.b64decode
+
+
+if platform.python_implementation() == 'PyPy' and sys.pypy_version_info < (5, 4, 0):
+ # PyPy2 prior to version 5.4.0 expects byte strings as Windows function
+ # names, see the original PyPy issue [1] and the youtube-dl one [2].
+ # 1. https://bitbucket.org/pypy/pypy/issues/2360/windows-ctypescdll-typeerror-function-name
+ # 2. https://github.com/rg3/youtube-dl/pull/4392
+ def compat_ctypes_WINFUNCTYPE(*args, **kwargs):
+ real = ctypes.WINFUNCTYPE(*args, **kwargs)
+
+ def resf(tpl, *args, **kwargs):
+ funcname, dll = tpl
+ return real((str(funcname), dll), *args, **kwargs)
+
+ return resf
+else:
+ def compat_ctypes_WINFUNCTYPE(*args, **kwargs):
+ return ctypes.WINFUNCTYPE(*args, **kwargs)
__all__ = [
+ 'compat_HTMLParseError',
'compat_HTMLParser',
'compat_HTTPError',
+ 'compat_Struct',
+ 'compat_b64decode',
'compat_basestring',
'compat_chr',
'compat_cookiejar',
'compat_cookies',
+ 'compat_ctypes_WINFUNCTYPE',
'compat_etree_fromstring',
'compat_etree_register_namespace',
'compat_expanduser',
'compat_urlretrieve',
'compat_xml_parse_error',
'compat_xpath',
+ 'compat_zip',
'workaround_optparse_bug9161',
]