-try:
- import urllib.request as compat_urllib_request
-except ImportError: # Python 2
- import urllib2 as compat_urllib_request
-
-try:
- import urllib.error as compat_urllib_error
-except ImportError: # Python 2
- import urllib2 as compat_urllib_error
-
-try:
- import urllib.parse as compat_urllib_parse
-except ImportError: # Python 2
- import urllib as compat_urllib_parse
-
-try:
- from urllib.parse import urlparse as compat_urllib_parse_urlparse
-except ImportError: # Python 2
- from urlparse import urlparse as compat_urllib_parse_urlparse
-
-try:
- import urllib.parse as compat_urlparse
-except ImportError: # Python 2
- import urlparse as compat_urlparse
-
-try:
- import http.cookiejar as compat_cookiejar
-except ImportError: # Python 2
- import cookielib as compat_cookiejar
-
-try:
- import html.entities as compat_html_entities
-except ImportError: # Python 2
- import htmlentitydefs as compat_html_entities
-
-try:
- import html.parser as compat_html_parser
-except ImportError: # Python 2
- import HTMLParser as compat_html_parser
-
-try:
- import http.client as compat_http_client
-except ImportError: # Python 2
- import httplib as compat_http_client
-
-try:
- from urllib.error import HTTPError as compat_HTTPError
-except ImportError: # Python 2
- from urllib2 import HTTPError as compat_HTTPError
-
-try:
- from urllib.request import urlretrieve as compat_urlretrieve
-except ImportError: # Python 2
- from urllib import urlretrieve as compat_urlretrieve
-
-
-try:
- from subprocess import DEVNULL
- compat_subprocess_get_DEVNULL = lambda: DEVNULL
-except ImportError:
- compat_subprocess_get_DEVNULL = lambda: open(os.path.devnull, 'w')
-
-try:
- from urllib.parse import unquote as compat_urllib_parse_unquote
-except ImportError:
- def compat_urllib_parse_unquote(string, encoding='utf-8', errors='replace'):
- if string == '':
- return string
- res = string.split('%')
- if len(res) == 1:
- return string
- if encoding is None:
- encoding = 'utf-8'
- if errors is None:
- errors = 'replace'
- # pct_sequence: contiguous sequence of percent-encoded bytes, decoded
- pct_sequence = b''
- string = res[0]
- for item in res[1:]:
- try:
- if not item:
- raise ValueError
- pct_sequence += item[:2].decode('hex')
- rest = item[2:]
- if not rest:
- # This segment was just a single percent-encoded character.
- # May be part of a sequence of code units, so delay decoding.
- # (Stored in pct_sequence).
- continue
- except ValueError:
- rest = '%' + item
- # Encountered non-percent-encoded characters. Flush the current
- # pct_sequence.
- string += pct_sequence.decode(encoding, errors) + rest
- pct_sequence = b''
- if pct_sequence:
- # Flush the final pct_sequence
- string += pct_sequence.decode(encoding, errors)
- return string
-
-
-try:
- from urllib.parse import parse_qs as compat_parse_qs
-except ImportError: # Python 2
- # HACK: The following is the correct parse_qs implementation from cpython 3's stdlib.
- # Python 2's version is apparently totally broken
-
- def _parse_qsl(qs, keep_blank_values=False, strict_parsing=False,
- encoding='utf-8', errors='replace'):
- qs, _coerce_result = qs, unicode
- pairs = [s2 for s1 in qs.split('&') for s2 in s1.split(';')]
- r = []
- for name_value in pairs:
- if not name_value and not strict_parsing:
- continue
- nv = name_value.split('=', 1)
- if len(nv) != 2:
- if strict_parsing:
- raise ValueError("bad query field: %r" % (name_value,))
- # Handle case of a control-name with no equal sign
- if keep_blank_values:
- nv.append('')
- else:
- continue
- if len(nv[1]) or keep_blank_values:
- name = nv[0].replace('+', ' ')
- name = compat_urllib_parse_unquote(
- name, encoding=encoding, errors=errors)
- name = _coerce_result(name)
- value = nv[1].replace('+', ' ')
- value = compat_urllib_parse_unquote(
- value, encoding=encoding, errors=errors)
- value = _coerce_result(value)
- r.append((name, value))
- return r
-
- def compat_parse_qs(qs, keep_blank_values=False, strict_parsing=False,
- encoding='utf-8', errors='replace'):
- parsed_result = {}
- pairs = _parse_qsl(qs, keep_blank_values, strict_parsing,
- encoding=encoding, errors=errors)
- for name, value in pairs:
- if name in parsed_result:
- parsed_result[name].append(value)
- else:
- parsed_result[name] = [value]
- return parsed_result
-
-try:
- compat_str = unicode # Python 2
-except NameError:
- compat_str = str
-
-try:
- compat_chr = unichr # Python 2
-except NameError:
- compat_chr = chr
-
-try:
- from xml.etree.ElementTree import ParseError as compat_xml_parse_error
-except ImportError: # Python 2.6
- from xml.parsers.expat import ExpatError as compat_xml_parse_error
-
-try:
- from shlex import quote as shlex_quote
-except ImportError: # Python < 3.3
- def shlex_quote(s):
- return "'" + s.replace("'", "'\"'\"'") + "'"
-
-
-def compat_ord(c):
- if type(c) is int: return c
- else: return ord(c)
-
-
-if sys.version_info >= (3, 0):
- compat_getenv = os.getenv
- compat_expanduser = os.path.expanduser
-else:
- # Environment variables should be decoded with filesystem encoding.
- # Otherwise it will fail if any non-ASCII characters present (see #3854 #3217 #2918)
-
- def compat_getenv(key, default=None):
- env = os.getenv(key, default)
- if env:
- env = env.decode(get_filesystem_encoding())
- return env
-
- # HACK: The default implementations of os.path.expanduser from cpython do not decode
- # environment variables with filesystem encoding. We will work around this by
- # providing adjusted implementations.
- # The following are os.path.expanduser implementations from cpython 2.7.8 stdlib
- # for different platforms with correct environment variables decoding.
-
- if os.name == 'posix':
- def compat_expanduser(path):
- """Expand ~ and ~user constructions. If user or $HOME is unknown,
- do nothing."""
- if not path.startswith('~'):
- return path
- i = path.find('/', 1)
- if i < 0:
- i = len(path)
- if i == 1:
- if 'HOME' not in os.environ:
- import pwd
- userhome = pwd.getpwuid(os.getuid()).pw_dir
- else:
- userhome = compat_getenv('HOME')
- else:
- import pwd
- try:
- pwent = pwd.getpwnam(path[1:i])
- except KeyError:
- return path
- userhome = pwent.pw_dir
- userhome = userhome.rstrip('/')
- return (userhome + path[i:]) or '/'
- elif os.name == 'nt' or os.name == 'ce':
- def compat_expanduser(path):
- """Expand ~ and ~user constructs.
-
- If user or $HOME is unknown, do nothing."""
- if path[:1] != '~':
- return path
- i, n = 1, len(path)
- while i < n and path[i] not in '/\\':
- i = i + 1
-
- if 'HOME' in os.environ:
- userhome = compat_getenv('HOME')
- elif 'USERPROFILE' in os.environ:
- userhome = compat_getenv('USERPROFILE')
- elif not 'HOMEPATH' in os.environ:
- return path
- else:
- try:
- drive = compat_getenv('HOMEDRIVE')
- except KeyError:
- drive = ''
- userhome = os.path.join(drive, compat_getenv('HOMEPATH'))
-
- if i != 1: #~user
- userhome = os.path.join(os.path.dirname(userhome), path[1:i])
-
- return userhome + path[i:]
- else:
- compat_expanduser = os.path.expanduser
Rapsys Git / youtubedl / blobdiff