429 lines
13 KiB
Python
429 lines
13 KiB
Python
from __future__ import unicode_literals
|
|
|
|
import collections
|
|
import getpass
|
|
import optparse
|
|
import os
|
|
import re
|
|
import shutil
|
|
import socket
|
|
import subprocess
|
|
import sys
|
|
|
|
|
|
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:
|
|
import http.server as compat_http_server
|
|
except ImportError:
|
|
import BaseHTTPServer as compat_http_server
|
|
|
|
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:
|
|
compat_str = unicode # Python 2
|
|
except NameError:
|
|
compat_str = str
|
|
|
|
try:
|
|
compat_basestring = basestring # Python 2
|
|
except NameError:
|
|
compat_basestring = 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 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, compat_str
|
|
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:
|
|
from shlex import quote as shlex_quote
|
|
except ImportError: # Python < 3.3
|
|
def shlex_quote(s):
|
|
if re.match(r'^[-_\w./]+$', s):
|
|
return s
|
|
else:
|
|
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):
|
|
from .utils import get_filesystem_encoding
|
|
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 'HOMEPATH' not 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
|
|
|
|
|
|
if sys.version_info < (3, 0):
|
|
def compat_print(s):
|
|
from .utils import preferredencoding
|
|
print(s.encode(preferredencoding(), 'xmlcharrefreplace'))
|
|
else:
|
|
def compat_print(s):
|
|
assert isinstance(s, compat_str)
|
|
print(s)
|
|
|
|
|
|
try:
|
|
subprocess_check_output = subprocess.check_output
|
|
except AttributeError:
|
|
def subprocess_check_output(*args, **kwargs):
|
|
assert 'input' not in kwargs
|
|
p = subprocess.Popen(*args, stdout=subprocess.PIPE, **kwargs)
|
|
output, _ = p.communicate()
|
|
ret = p.poll()
|
|
if ret:
|
|
raise subprocess.CalledProcessError(ret, p.args, output=output)
|
|
return output
|
|
|
|
if sys.version_info < (3, 0) and sys.platform == 'win32':
|
|
def compat_getpass(prompt, *args, **kwargs):
|
|
if isinstance(prompt, compat_str):
|
|
from .utils import preferredencoding
|
|
prompt = prompt.encode(preferredencoding())
|
|
return getpass.getpass(prompt, *args, **kwargs)
|
|
else:
|
|
compat_getpass = getpass.getpass
|
|
|
|
# Old 2.6 and 2.7 releases require kwargs to be bytes
|
|
try:
|
|
def _testfunc(x):
|
|
pass
|
|
_testfunc(**{'x': 0})
|
|
except TypeError:
|
|
def compat_kwargs(kwargs):
|
|
return dict((bytes(k), v) for k, v in kwargs.items())
|
|
else:
|
|
compat_kwargs = lambda kwargs: kwargs
|
|
|
|
|
|
if sys.version_info < (2, 7):
|
|
def compat_socket_create_connection(address, timeout, source_address=None):
|
|
host, port = address
|
|
err = None
|
|
for res in socket.getaddrinfo(host, port, 0, socket.SOCK_STREAM):
|
|
af, socktype, proto, canonname, sa = res
|
|
sock = None
|
|
try:
|
|
sock = socket.socket(af, socktype, proto)
|
|
sock.settimeout(timeout)
|
|
if source_address:
|
|
sock.bind(source_address)
|
|
sock.connect(sa)
|
|
return sock
|
|
except socket.error as _:
|
|
err = _
|
|
if sock is not None:
|
|
sock.close()
|
|
if err is not None:
|
|
raise err
|
|
else:
|
|
raise socket.error("getaddrinfo returns an empty list")
|
|
else:
|
|
compat_socket_create_connection = socket.create_connection
|
|
|
|
|
|
# Fix https://github.com/rg3/youtube-dl/issues/4223
|
|
# See http://bugs.python.org/issue9161 for what is broken
|
|
def workaround_optparse_bug9161():
|
|
op = optparse.OptionParser()
|
|
og = optparse.OptionGroup(op, 'foo')
|
|
try:
|
|
og.add_option('-t')
|
|
except TypeError:
|
|
real_add_option = optparse.OptionGroup.add_option
|
|
|
|
def _compat_add_option(self, *args, **kwargs):
|
|
enc = lambda v: (
|
|
v.encode('ascii', 'replace') if isinstance(v, compat_str)
|
|
else v)
|
|
bargs = [enc(a) for a in args]
|
|
bkwargs = dict(
|
|
(k, enc(v)) for k, v in kwargs.items())
|
|
return real_add_option(self, *bargs, **bkwargs)
|
|
optparse.OptionGroup.add_option = _compat_add_option
|
|
|
|
if hasattr(shutil, 'get_terminal_size'): # Python >= 3.3
|
|
compat_get_terminal_size = shutil.get_terminal_size
|
|
else:
|
|
_terminal_size = collections.namedtuple('terminal_size', ['columns', 'lines'])
|
|
|
|
def compat_get_terminal_size():
|
|
columns = compat_getenv('COLUMNS', None)
|
|
if columns:
|
|
columns = int(columns)
|
|
else:
|
|
columns = None
|
|
lines = compat_getenv('LINES', None)
|
|
if lines:
|
|
lines = int(lines)
|
|
else:
|
|
lines = None
|
|
|
|
try:
|
|
sp = subprocess.Popen(
|
|
['stty', 'size'],
|
|
stdout=subprocess.PIPE, stderr=subprocess.PIPE)
|
|
out, err = sp.communicate()
|
|
lines, columns = map(int, out.split())
|
|
except:
|
|
pass
|
|
return _terminal_size(columns, lines)
|
|
|
|
|
|
__all__ = [
|
|
'compat_HTTPError',
|
|
'compat_basestring',
|
|
'compat_chr',
|
|
'compat_cookiejar',
|
|
'compat_expanduser',
|
|
'compat_get_terminal_size',
|
|
'compat_getenv',
|
|
'compat_getpass',
|
|
'compat_html_entities',
|
|
'compat_html_parser',
|
|
'compat_http_client',
|
|
'compat_http_server',
|
|
'compat_kwargs',
|
|
'compat_ord',
|
|
'compat_parse_qs',
|
|
'compat_print',
|
|
'compat_socket_create_connection',
|
|
'compat_str',
|
|
'compat_subprocess_get_DEVNULL',
|
|
'compat_urllib_error',
|
|
'compat_urllib_parse',
|
|
'compat_urllib_parse_unquote',
|
|
'compat_urllib_parse_urlparse',
|
|
'compat_urllib_request',
|
|
'compat_urlparse',
|
|
'compat_urlretrieve',
|
|
'compat_xml_parse_error',
|
|
'shlex_quote',
|
|
'subprocess_check_output',
|
|
'workaround_optparse_bug9161',
|
|
]
|