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Latest commit cfee2df Apr 16, 2021 History
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@phihag @dstftw @yan12125 @jaimeMF @remitamine @FiloSottile @Tithen-Firion @jwilk @ivan @InfernalUnderling @TRox1972 @jsoref
#!/usr/bin/env python
# coding: utf-8
from __future__ import unicode_literals
import base64
import binascii
import calendar
import codecs
import collections
import contextlib
import ctypes
import datetime
import email.utils
import email.header
import errno
import functools
import gzip
import io
import itertools
import json
import locale
import math
import operator
import os
import platform
import random
import re
import socket
import ssl
import subprocess
import sys
import tempfile
import time
import traceback
import xml.etree.ElementTree
import zlib
from .compat import (
compat_HTMLParseError,
compat_HTMLParser,
compat_HTTPError,
compat_basestring,
compat_chr,
compat_cookiejar,
compat_ctypes_WINFUNCTYPE,
compat_etree_fromstring,
compat_expanduser,
compat_html_entities,
compat_html_entities_html5,
compat_http_client,
compat_integer_types,
compat_kwargs,
compat_os_name,
compat_parse_qs,
compat_shlex_quote,
compat_str,
compat_struct_pack,
compat_struct_unpack,
compat_urllib_error,
compat_urllib_parse,
compat_urllib_parse_urlencode,
compat_urllib_parse_urlparse,
compat_urllib_parse_unquote_plus,
compat_urllib_request,
compat_urlparse,
compat_xpath,
)
from .socks import (
ProxyType,
sockssocket,
)
def register_socks_protocols():
# "Register" SOCKS protocols
# In Python < 2.6.5, urlsplit() suffers from bug https://bugs.python.org/issue7904
# URLs with protocols not in urlparse.uses_netloc are not handled correctly
for scheme in ('socks', 'socks4', 'socks4a', 'socks5'):
if scheme not in compat_urlparse.uses_netloc:
compat_urlparse.uses_netloc.append(scheme)
# This is not clearly defined otherwise
compiled_regex_type = type(re.compile(''))
def random_user_agent():
_USER_AGENT_TPL = 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/%s Safari/537.36'
_CHROME_VERSIONS = (
'74.0.3729.129',
'76.0.3780.3',
'76.0.3780.2',
'74.0.3729.128',
'76.0.3780.1',
'76.0.3780.0',
'75.0.3770.15',
'74.0.3729.127',
'74.0.3729.126',
'76.0.3779.1',
'76.0.3779.0',
'75.0.3770.14',
'74.0.3729.125',
'76.0.3778.1',
'76.0.3778.0',
'75.0.3770.13',
'74.0.3729.124',
'74.0.3729.123',
'73.0.3683.121',
'76.0.3777.1',
'76.0.3777.0',
'75.0.3770.12',
'74.0.3729.122',
'76.0.3776.4',
'75.0.3770.11',
'74.0.3729.121',
'76.0.3776.3',
'76.0.3776.2',
'73.0.3683.120',
'74.0.3729.120',
'74.0.3729.119',
'74.0.3729.118',
'76.0.3776.1',
'76.0.3776.0',
'76.0.3775.5',
'75.0.3770.10',
'74.0.3729.117',
'76.0.3775.4',
'76.0.3775.3',
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'70.0.3538.24',
'69.0.3497.104',
'71.0.3555.2',
'70.0.3538.23',
'71.0.3555.1',
'71.0.3555.0',
'70.0.3538.22',
'69.0.3497.103',
'71.0.3554.1',
'71.0.3554.0',
'70.0.3538.21',
'69.0.3497.102',
'71.0.3553.3',
'70.0.3538.20',
'69.0.3497.101',
'71.0.3553.2',
'69.0.3497.100',
'71.0.3553.1',
'71.0.3553.0',
'70.0.3538.19',
'69.0.3497.99',
'69.0.3497.98',
'69.0.3497.97',
'71.0.3552.6',
'71.0.3552.5',
'71.0.3552.4',
'71.0.3552.3',
'71.0.3552.2',
'71.0.3552.1',
'71.0.3552.0',
'70.0.3538.18',
'69.0.3497.96',
'71.0.3551.3',
'71.0.3551.2',
'71.0.3551.1',
'71.0.3551.0',
'70.0.3538.17',
'69.0.3497.95',
'71.0.3550.3',
'71.0.3550.2',
'71.0.3550.1',
'71.0.3550.0',
'70.0.3538.16',
'69.0.3497.94',
'71.0.3549.1',
'71.0.3549.0',
'70.0.3538.15',
'69.0.3497.93',
'69.0.3497.92',
'71.0.3548.1',
'71.0.3548.0',
'70.0.3538.14',
'69.0.3497.91',
'71.0.3547.1',
'71.0.3547.0',
'70.0.3538.13',
'69.0.3497.90',
'71.0.3546.2',
'69.0.3497.89',
'71.0.3546.1',
'71.0.3546.0',
'70.0.3538.12',
'69.0.3497.88',
'71.0.3545.4',
'71.0.3545.3',
'71.0.3545.2',
'71.0.3545.1',
'71.0.3545.0',
'70.0.3538.11',
'69.0.3497.87',
'71.0.3544.5',
'71.0.3544.4',
'71.0.3544.3',
'71.0.3544.2',
'71.0.3544.1',
'71.0.3544.0',
'69.0.3497.86',
'70.0.3538.10',
'69.0.3497.85',
'70.0.3538.9',
'69.0.3497.84',
'71.0.3543.4',
'70.0.3538.8',
'71.0.3543.3',
'71.0.3543.2',
'71.0.3543.1',
'71.0.3543.0',
'70.0.3538.7',
'69.0.3497.83',
'71.0.3542.2',
'71.0.3542.1',
'71.0.3542.0',
'70.0.3538.6',
'69.0.3497.82',
'69.0.3497.81',
'71.0.3541.1',
'71.0.3541.0',
'70.0.3538.5',
'69.0.3497.80',
'71.0.3540.1',
'71.0.3540.0',
'70.0.3538.4',
'69.0.3497.79',
'70.0.3538.3',
'71.0.3539.1',
'71.0.3539.0',
'69.0.3497.78',
'68.0.3440.134',
'69.0.3497.77',
'70.0.3538.2',
'70.0.3538.1',
'70.0.3538.0',
'69.0.3497.76',
'68.0.3440.133',
'69.0.3497.75',
'70.0.3537.2',
'70.0.3537.1',
'70.0.3537.0',
'69.0.3497.74',
'68.0.3440.132',
'70.0.3536.0',
'70.0.3535.5',
'70.0.3535.4',
'70.0.3535.3',
'69.0.3497.73',
'68.0.3440.131',
'70.0.3532.8',
'70.0.3532.7',
'69.0.3497.72',
'69.0.3497.71',
'70.0.3535.2',
'70.0.3535.1',
'70.0.3535.0',
'69.0.3497.70',
'68.0.3440.130',
'69.0.3497.69',
'68.0.3440.129',
'70.0.3534.4',
'70.0.3534.3',
'70.0.3534.2',
'70.0.3534.1',
'70.0.3534.0',
'69.0.3497.68',
'68.0.3440.128',
'70.0.3533.2',
'70.0.3533.1',
'70.0.3533.0',
'69.0.3497.67',
'68.0.3440.127',
'70.0.3532.6',
'70.0.3532.5',
'70.0.3532.4',
'69.0.3497.66',
'68.0.3440.126',
'70.0.3532.3',
'70.0.3532.2',
'70.0.3532.1',
'69.0.3497.60',
'69.0.3497.65',
'69.0.3497.64',
'70.0.3532.0',
'70.0.3531.0',
'70.0.3530.4',
'70.0.3530.3',
'70.0.3530.2',
'69.0.3497.58',
'68.0.3440.125',
'69.0.3497.57',
'69.0.3497.56',
'69.0.3497.55',
'69.0.3497.54',
'70.0.3530.1',
'70.0.3530.0',
'69.0.3497.53',
'68.0.3440.124',
'69.0.3497.52',
'70.0.3529.3',
'70.0.3529.2',
'70.0.3529.1',
'70.0.3529.0',
'69.0.3497.51',
'70.0.3528.4',
'68.0.3440.123',
'70.0.3528.3',
'70.0.3528.2',
'70.0.3528.1',
'70.0.3528.0',
'69.0.3497.50',
'68.0.3440.122',
'70.0.3527.1',
'70.0.3527.0',
'69.0.3497.49',
'68.0.3440.121',
'70.0.3526.1',
'70.0.3526.0',
'68.0.3440.120',
'69.0.3497.48',
'69.0.3497.47',
'68.0.3440.119',
'68.0.3440.118',
'70.0.3525.5',
'70.0.3525.4',
'70.0.3525.3',
'68.0.3440.117',
'69.0.3497.46',
'70.0.3525.2',
'70.0.3525.1',
'70.0.3525.0',
'69.0.3497.45',
'68.0.3440.116',
'70.0.3524.4',
'70.0.3524.3',
'69.0.3497.44',
'70.0.3524.2',
'70.0.3524.1',
'70.0.3524.0',
'70.0.3523.2',
'69.0.3497.43',
'68.0.3440.115',
'70.0.3505.9',
'69.0.3497.42',
'70.0.3505.8',
'70.0.3523.1',
'70.0.3523.0',
'69.0.3497.41',
'68.0.3440.114',
'70.0.3505.7',
'69.0.3497.40',
'70.0.3522.1',
'70.0.3522.0',
'70.0.3521.2',
'69.0.3497.39',
'68.0.3440.113',
'70.0.3505.6',
'70.0.3521.1',
'70.0.3521.0',
'69.0.3497.38',
'68.0.3440.112',
'70.0.3520.1',
'70.0.3520.0',
'69.0.3497.37',
'68.0.3440.111',
'70.0.3519.3',
'70.0.3519.2',
'70.0.3519.1',
'70.0.3519.0',
'69.0.3497.36',
'68.0.3440.110',
'70.0.3518.1',
'70.0.3518.0',
'69.0.3497.35',
'69.0.3497.34',
'68.0.3440.109',
'70.0.3517.1',
'70.0.3517.0',
'69.0.3497.33',
'68.0.3440.108',
'69.0.3497.32',
'70.0.3516.3',
'70.0.3516.2',
'70.0.3516.1',
'70.0.3516.0',
'69.0.3497.31',
'68.0.3440.107',
'70.0.3515.4',
'68.0.3440.106',
'70.0.3515.3',
'70.0.3515.2',
'70.0.3515.1',
'70.0.3515.0',
'69.0.3497.30',
'68.0.3440.105',
'68.0.3440.104',
'70.0.3514.2',
'70.0.3514.1',
'70.0.3514.0',
'69.0.3497.29',
'68.0.3440.103',
'70.0.3513.1',
'70.0.3513.0',
'69.0.3497.28',
)
return _USER_AGENT_TPL % random.choice(_CHROME_VERSIONS)
std_headers = {
'User-Agent': random_user_agent(),
'Accept-Charset': 'ISO-8859-1,utf-8;q=0.7,*;q=0.7',
'Accept': 'text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8',
'Accept-Encoding': 'gzip, deflate',
'Accept-Language': 'en-us,en;q=0.5',
}
USER_AGENTS = {
'Safari': 'Mozilla/5.0 (X11; Linux x86_64; rv:10.0) AppleWebKit/533.20.25 (KHTML, like Gecko) Version/5.0.4 Safari/533.20.27',
}
NO_DEFAULT = object()
ENGLISH_MONTH_NAMES = [
'January', 'February', 'March', 'April', 'May', 'June',
'July', 'August', 'September', 'October', 'November', 'December']
MONTH_NAMES = {
'en': ENGLISH_MONTH_NAMES,
'fr': [
'janvier', 'février', 'mars', 'avril', 'mai', 'juin',
'juillet', 'août', 'septembre', 'octobre', 'novembre', 'décembre'],
}
KNOWN_EXTENSIONS = (
'mp4', 'm4a', 'm4p', 'm4b', 'm4r', 'm4v', 'aac',
'flv', 'f4v', 'f4a', 'f4b',
'webm', 'ogg', 'ogv', 'oga', 'ogx', 'spx', 'opus',
'mkv', 'mka', 'mk3d',
'avi', 'divx',
'mov',
'asf', 'wmv', 'wma',
'3gp', '3g2',
'mp3',
'flac',
'ape',
'wav',
'f4f', 'f4m', 'm3u8', 'smil')
# needed for sanitizing filenames in restricted mode
ACCENT_CHARS = dict(zip('ÂÃÄÀÁÅÆÇÈÉÊËÌÍÎÏÐÑÒÓÔÕÖŐØŒÙÚÛÜŰÝÞßàáâãäåæçèéêëìíîïðñòóôõöőøœùúûüűýþÿ',
itertools.chain('AAAAAA', ['AE'], 'CEEEEIIIIDNOOOOOOO', ['OE'], 'UUUUUY', ['TH', 'ss'],
'aaaaaa', ['ae'], 'ceeeeiiiionooooooo', ['oe'], 'uuuuuy', ['th'], 'y')))
DATE_FORMATS = (
'%d %B %Y',
'%d %b %Y',
'%B %d %Y',
'%B %dst %Y',
'%B %dnd %Y',
'%B %drd %Y',
'%B %dth %Y',
'%b %d %Y',
'%b %dst %Y',
'%b %dnd %Y',
'%b %drd %Y',
'%b %dth %Y',
'%b %dst %Y %I:%M',
'%b %dnd %Y %I:%M',
'%b %drd %Y %I:%M',
'%b %dth %Y %I:%M',
'%Y %m %d',
'%Y-%m-%d',
'%Y/%m/%d',
'%Y/%m/%d %H:%M',
'%Y/%m/%d %H:%M:%S',
'%Y-%m-%d %H:%M',
'%Y-%m-%d %H:%M:%S',
'%Y-%m-%d %H:%M:%S.%f',
'%d.%m.%Y %H:%M',
'%d.%m.%Y %H.%M',
'%Y-%m-%dT%H:%M:%SZ',
'%Y-%m-%dT%H:%M:%S.%fZ',
'%Y-%m-%dT%H:%M:%S.%f0Z',
'%Y-%m-%dT%H:%M:%S',
'%Y-%m-%dT%H:%M:%S.%f',
'%Y-%m-%dT%H:%M',
'%b %d %Y at %H:%M',
'%b %d %Y at %H:%M:%S',
'%B %d %Y at %H:%M',
'%B %d %Y at %H:%M:%S',
)
DATE_FORMATS_DAY_FIRST = list(DATE_FORMATS)
DATE_FORMATS_DAY_FIRST.extend([
'%d-%m-%Y',
'%d.%m.%Y',
'%d.%m.%y',
'%d/%m/%Y',
'%d/%m/%y',
'%d/%m/%Y %H:%M:%S',
])
DATE_FORMATS_MONTH_FIRST = list(DATE_FORMATS)
DATE_FORMATS_MONTH_FIRST.extend([
'%m-%d-%Y',
'%m.%d.%Y',
'%m/%d/%Y',
'%m/%d/%y',
'%m/%d/%Y %H:%M:%S',
])
PACKED_CODES_RE = r"}\('(.+)',(\d+),(\d+),'([^']+)'\.split\('\|'\)"
JSON_LD_RE = r'(?is)<script[^>]+type=(["\']?)application/ld\+json\1[^>]*>(?P<json_ld>.+?)</script>'
def preferredencoding():
"""Get preferred encoding.
Returns the best encoding scheme for the system, based on
locale.getpreferredencoding() and some further tweaks.
"""
try:
pref = locale.getpreferredencoding()
'TEST'.encode(pref)
except Exception:
pref = 'UTF-8'
return pref
def write_json_file(obj, fn):
""" Encode obj as JSON and write it to fn, atomically if possible """
fn = encodeFilename(fn)
if sys.version_info < (3, 0) and sys.platform != 'win32':
encoding = get_filesystem_encoding()
# os.path.basename returns a bytes object, but NamedTemporaryFile
# will fail if the filename contains non ascii characters unless we
# use a unicode object
path_basename = lambda f: os.path.basename(fn).decode(encoding)
# the same for os.path.dirname
path_dirname = lambda f: os.path.dirname(fn).decode(encoding)
else:
path_basename = os.path.basename
path_dirname = os.path.dirname
args = {
'suffix': '.tmp',
'prefix': path_basename(fn) + '.',
'dir': path_dirname(fn),
'delete': False,
}
# In Python 2.x, json.dump expects a bytestream.
# In Python 3.x, it writes to a character stream
if sys.version_info < (3, 0):
args['mode'] = 'wb'
else:
args.update({
'mode': 'w',
'encoding': 'utf-8',
})
tf = tempfile.NamedTemporaryFile(**compat_kwargs(args))
try:
with tf:
json.dump(obj, tf)
if sys.platform == 'win32':
# Need to remove existing file on Windows, else os.rename raises
# WindowsError or FileExistsError.
try:
os.unlink(fn)
except OSError:
pass
try:
mask = os.umask(0)
os.umask(mask)
os.chmod(tf.name, 0o666 & ~mask)
except OSError:
pass
os.rename(tf.name, fn)
except Exception:
try:
os.remove(tf.name)
except OSError:
pass
raise
if sys.version_info >= (2, 7):
def find_xpath_attr(node, xpath, key, val=None):
""" Find the xpath xpath[@key=val] """
assert re.match(r'^[a-zA-Z_-]+$', key)
expr = xpath + ('[@%s]' % key if val is None else "[@%s='%s']" % (key, val))
return node.find(expr)
else:
def find_xpath_attr(node, xpath, key, val=None):
for f in node.findall(compat_xpath(xpath)):
if key not in f.attrib:
continue
if val is None or f.attrib.get(key) == val:
return f
return None
# On python2.6 the xml.etree.ElementTree.Element methods don't support
# the namespace parameter
def xpath_with_ns(path, ns_map):
components = [c.split(':') for c in path.split('/')]
replaced = []
for c in components:
if len(c) == 1:
replaced.append(c[0])
else:
ns, tag = c
replaced.append('{%s}%s' % (ns_map[ns], tag))
return '/'.join(replaced)
def xpath_element(node, xpath, name=None, fatal=False, default=NO_DEFAULT):
def _find_xpath(xpath):
return node.find(compat_xpath(xpath))
if isinstance(xpath, (str, compat_str)):
n = _find_xpath(xpath)
else:
for xp in xpath:
n = _find_xpath(xp)
if n is not None:
break
if n is None:
if default is not NO_DEFAULT:
return default
elif fatal:
name = xpath if name is None else name
raise ExtractorError('Could not find XML element %s' % name)
else:
return None
return n
def xpath_text(node, xpath, name=None, fatal=False, default=NO_DEFAULT):
n = xpath_element(node, xpath, name, fatal=fatal, default=default)
if n is None or n == default:
return n
if n.text is None:
if default is not NO_DEFAULT:
return default
elif fatal:
name = xpath if name is None else name
raise ExtractorError('Could not find XML element\'s text %s' % name)
else:
return None
return n.text
def xpath_attr(node, xpath, key, name=None, fatal=False, default=NO_DEFAULT):
n = find_xpath_attr(node, xpath, key)
if n is None:
if default is not NO_DEFAULT:
return default
elif fatal:
name = '%s[@%s]' % (xpath, key) if name is None else name
raise ExtractorError('Could not find XML attribute %s' % name)
else:
return None
return n.attrib[key]
def get_element_by_id(id, html):
"""Return the content of the tag with the specified ID in the passed HTML document"""
return get_element_by_attribute('id', id, html)
def get_element_by_class(class_name, html):
"""Return the content of the first tag with the specified class in the passed HTML document"""
retval = get_elements_by_class(class_name, html)
return retval[0] if retval else None
def get_element_by_attribute(attribute, value, html, escape_value=True):
retval = get_elements_by_attribute(attribute, value, html, escape_value)
return retval[0] if retval else None
def get_elements_by_class(class_name, html):
"""Return the content of all tags with the specified class in the passed HTML document as a list"""
return get_elements_by_attribute(
'class', r'[^\'"]*\b%s\b[^\'"]*' % re.escape(class_name),
html, escape_value=False)
def get_elements_by_attribute(attribute, value, html, escape_value=True):
"""Return the content of the tag with the specified attribute in the passed HTML document"""
value = re.escape(value) if escape_value else value
retlist = []
for m in re.finditer(r'''(?xs)
<([a-zA-Z0-9:._-]+)
(?:\s+[a-zA-Z0-9:._-]+(?:=[a-zA-Z0-9:._-]*|="[^"]*"|='[^']*'|))*?
\s+%s=['"]?%s['"]?
(?:\s+[a-zA-Z0-9:._-]+(?:=[a-zA-Z0-9:._-]*|="[^"]*"|='[^']*'|))*?
\s*>
(?P<content>.*?)
</\1>
''' % (re.escape(attribute), value), html):
res = m.group('content')
if res.startswith('"') or res.startswith("'"):
res = res[1:-1]
retlist.append(unescapeHTML(res))
return retlist
class HTMLAttributeParser(compat_HTMLParser):
"""Trivial HTML parser to gather the attributes for a single element"""
def __init__(self):
self.attrs = {}
compat_HTMLParser.__init__(self)
def handle_starttag(self, tag, attrs):
self.attrs = dict(attrs)
def extract_attributes(html_element):
"""Given a string for an HTML element such as
<el
a="foo" B="bar" c="&98;az" d=boz
empty= noval entity="&amp;"
sq='"' dq="'"
>
Decode and return a dictionary of attributes.
{
'a': 'foo', 'b': 'bar', c: 'baz', d: 'boz',
'empty': '', 'noval': None, 'entity': '&',
'sq': '"', 'dq': '\''
}.
NB HTMLParser is stricter in Python 2.6 & 3.2 than in later versions,
but the cases in the unit test will work for all of 2.6, 2.7, 3.2-3.5.
"""
parser = HTMLAttributeParser()
try:
parser.feed(html_element)
parser.close()
# Older Python may throw HTMLParseError in case of malformed HTML
except compat_HTMLParseError:
pass
return parser.attrs
def clean_html(html):
"""Clean an HTML snippet into a readable string"""
if html is None: # Convenience for sanitizing descriptions etc.
return html
# Newline vs <br />
html = html.replace('\n', ' ')
html = re.sub(r'(?u)\s*<\s*br\s*/?\s*>\s*', '\n', html)
html = re.sub(r'(?u)<\s*/\s*p\s*>\s*<\s*p[^>]*>', '\n', html)
# Strip html tags
html = re.sub('<.*?>', '', html)
# Replace html entities
html = unescapeHTML(html)
return html.strip()
def sanitize_open(filename, open_mode):
"""Try to open the given filename, and slightly tweak it if this fails.
Attempts to open the given filename. If this fails, it tries to change
the filename slightly, step by step, until it's either able to open it
or it fails and raises a final exception, like the standard open()
function.
It returns the tuple (stream, definitive_file_name).
"""
try:
if filename == '-':
if sys.platform == 'win32':
import msvcrt
msvcrt.setmode(sys.stdout.fileno(), os.O_BINARY)
return (sys.stdout.buffer if hasattr(sys.stdout, 'buffer') else sys.stdout, filename)
stream = open(encodeFilename(filename), open_mode)
return (stream, filename)
except (IOError, OSError) as err:
if err.errno in (errno.EACCES,):
raise
# In case of error, try to remove win32 forbidden chars
alt_filename = sanitize_path(filename)
if alt_filename == filename:
raise
else:
# An exception here should be caught in the caller
stream = open(encodeFilename(alt_filename), open_mode)
return (stream, alt_filename)
def timeconvert(timestr):
"""Convert RFC 2822 defined time string into system timestamp"""
timestamp = None
timetuple = email.utils.parsedate_tz(timestr)
if timetuple is not None:
timestamp = email.utils.mktime_tz(timetuple)
return timestamp
def sanitize_filename(s, restricted=False, is_id=False):
"""Sanitizes a string so it could be used as part of a filename.
If restricted is set, use a stricter subset of allowed characters.
Set is_id if this is not an arbitrary string, but an ID that should be kept
if possible.
"""
def replace_insane(char):
if restricted and char in ACCENT_CHARS:
return ACCENT_CHARS[char]
if char == '?' or ord(char) < 32 or ord(char) == 127:
return ''
elif char == '"':
return '' if restricted else '\''
elif char == ':':
return '_-' if restricted else ' -'
elif char in '\\/|*<>':
return '_'
if restricted and (char in '!&\'()[]{}$;`^,#' or char.isspace()):
return '_'
if restricted and ord(char) > 127:
return '_'
return char
# Handle timestamps
s = re.sub(r'[0-9]+(?::[0-9]+)+', lambda m: m.group(0).replace(':', '_'), s)
result = ''.join(map(replace_insane, s))
if not is_id:
while '__' in result:
result = result.replace('__', '_')
result = result.strip('_')
# Common case of "Foreign band name - English song title"
if restricted and result.startswith('-_'):
result = result[2:]
if result.startswith('-'):
result = '_' + result[len('-'):]
result = result.lstrip('.')
if not result:
result = '_'
return result
def sanitize_path(s):
"""Sanitizes and normalizes path on Windows"""
if sys.platform != 'win32':
return s
drive_or_unc, _ = os.path.splitdrive(s)
if sys.version_info < (2, 7) and not drive_or_unc:
drive_or_unc, _ = os.path.splitunc(s)
norm_path = os.path.normpath(remove_start(s, drive_or_unc)).split(os.path.sep)
if drive_or_unc:
norm_path.pop(0)
sanitized_path = [
path_part if path_part in ['.', '..'] else re.sub(r'(?:[/<>:"\|\\?\*]|[\s.]$)', '#', path_part)
for path_part in norm_path]
if drive_or_unc:
sanitized_path.insert(0, drive_or_unc + os.path.sep)
return os.path.join(*sanitized_path)
def sanitize_url(url):
# Prepend protocol-less URLs with `http:` scheme in order to mitigate
# the number of unwanted failures due to missing protocol
if url.startswith('//'):
return 'http:%s' % url
# Fix some common typos seen so far
COMMON_TYPOS = (
# https://github.com/ytdl-org/youtube-dl/issues/15649
(r'^httpss://', r'https://'),
# https://bx1.be/lives/direct-tv/
(r'^rmtp([es]?)://', r'rtmp\1://'),
)
for mistake, fixup in COMMON_TYPOS:
if re.match(mistake, url):
return re.sub(mistake, fixup, url)
return url
def sanitized_Request(url, *args, **kwargs):
return compat_urllib_request.Request(sanitize_url(url), *args, **kwargs)
def expand_path(s):
"""Expand shell variables and ~"""
return os.path.expandvars(compat_expanduser(s))
def orderedSet(iterable):
""" Remove all duplicates from the input iterable """
res = []
for el in iterable:
if el not in res:
res.append(el)
return res
def _htmlentity_transform(entity_with_semicolon):
"""Transforms an HTML entity to a character."""
entity = entity_with_semicolon[:-1]
# Known non-numeric HTML entity
if entity in compat_html_entities.name2codepoint:
return compat_chr(compat_html_entities.name2codepoint[entity])
# TODO: HTML5 allows entities without a semicolon. For example,
# '&Eacuteric' should be decoded as 'Éric'.
if entity_with_semicolon in compat_html_entities_html5:
return compat_html_entities_html5[entity_with_semicolon]
mobj = re.match(r'#(x[0-9a-fA-F]+|[0-9]+)', entity)
if mobj is not None:
numstr = mobj.group(1)
if numstr.startswith('x'):
base = 16
numstr = '0%s' % numstr
else:
base = 10
# See https://github.com/ytdl-org/youtube-dl/issues/7518
try:
return compat_chr(int(numstr, base))
except ValueError:
pass
# Unknown entity in name, return its literal representation
return '&%s;' % entity
def unescapeHTML(s):
if s is None:
return None
assert type(s) == compat_str
return re.sub(
r'&([^&;]+;)', lambda m: _htmlentity_transform(m.group(1)), s)
def get_subprocess_encoding():
if sys.platform == 'win32' and sys.getwindowsversion()[0] >= 5:
# For subprocess calls, encode with locale encoding
# Refer to http://stackoverflow.com/a/9951851/35070
encoding = preferredencoding()
else:
encoding = sys.getfilesystemencoding()
if encoding is None:
encoding = 'utf-8'
return encoding
def encodeFilename(s, for_subprocess=False):
"""
@param s The name of the file
"""
assert type(s) == compat_str
# Python 3 has a Unicode API
if sys.version_info >= (3, 0):
return s
# Pass '' directly to use Unicode APIs on Windows 2000 and up
# (Detecting Windows NT 4 is tricky because 'major >= 4' would
# match Windows 9x series as well. Besides, NT 4 is obsolete.)
if not for_subprocess and sys.platform == 'win32' and sys.getwindowsversion()[0] >= 5:
return s
# Jython assumes filenames are Unicode strings though reported as Python 2.x compatible
if sys.platform.startswith('java'):
return s
return s.encode(get_subprocess_encoding(), 'ignore')
def decodeFilename(b, for_subprocess=False):
if sys.version_info >= (3, 0):
return b
if not isinstance(b, bytes):
return b
return b.decode(get_subprocess_encoding(), 'ignore')
def encodeArgument(s):
if not isinstance(s, compat_str):
# Legacy code that uses byte strings
# Uncomment the following line after fixing all post processors
# assert False, 'Internal error: %r should be of type %r, is %r' % (s, compat_str, type(s))
s = s.decode('ascii')
return encodeFilename(s, True)
def decodeArgument(b):
return decodeFilename(b, True)
def decodeOption(optval):
if optval is None:
return optval
if isinstance(optval, bytes):
optval = optval.decode(preferredencoding())
assert isinstance(optval, compat_str)
return optval
def formatSeconds(secs):
if secs > 3600:
return '%d:%02d:%02d' % (secs // 3600, (secs % 3600) // 60, secs % 60)
elif secs > 60:
return '%d:%02d' % (secs // 60, secs % 60)
else:
return '%d' % secs
def make_HTTPS_handler(params, **kwargs):
opts_no_check_certificate = params.get('nocheckcertificate', False)
if hasattr(ssl, 'create_default_context'): # Python >= 3.4 or 2.7.9
context = ssl.create_default_context(ssl.Purpose.SERVER_AUTH)
if opts_no_check_certificate:
context.check_hostname = False
context.verify_mode = ssl.CERT_NONE
try:
return YoutubeDLHTTPSHandler(params, context=context, **kwargs)
except TypeError:
# Python 2.7.8
# (create_default_context present but HTTPSHandler has no context=)
pass
if sys.version_info < (3, 2):
return YoutubeDLHTTPSHandler(params, **kwargs)
else: # Python < 3.4
context = ssl.SSLContext(ssl.PROTOCOL_TLSv1)
context.verify_mode = (ssl.CERT_NONE
if opts_no_check_certificate
else ssl.CERT_REQUIRED)
context.set_default_verify_paths()
return YoutubeDLHTTPSHandler(params, context=context, **kwargs)
def bug_reports_message():
if ytdl_is_updateable():
update_cmd = 'type youtube-dl -U to update'
else:
update_cmd = 'see https://yt-dl.org/update on how to update'
msg = '; please report this issue on https://yt-dl.org/bug .'
msg += ' Make sure you are using the latest version; %s.' % update_cmd
msg += ' Be sure to call youtube-dl with the --verbose flag and include its complete output.'
return msg
class YoutubeDLError(Exception):
"""Base exception for YoutubeDL errors."""
pass
class ExtractorError(YoutubeDLError):
"""Error during info extraction."""
def __init__(self, msg, tb=None, expected=False, cause=None, video_id=None):
""" tb, if given, is the original traceback (so that it can be printed out).
If expected is set, this is a normal error message and most likely not a bug in youtube-dl.
"""
if sys.exc_info()[0] in (compat_urllib_error.URLError, socket.timeout, UnavailableVideoError):
expected = True
if video_id is not None:
msg = video_id + ': ' + msg
if cause:
msg += ' (caused by %r)' % cause
if not expected:
msg += bug_reports_message()
super(ExtractorError, self).__init__(msg)
self.traceback = tb
self.exc_info = sys.exc_info() # preserve original exception
self.cause = cause
self.video_id = video_id
def format_traceback(self):
if self.traceback is None:
return None
return ''.join(traceback.format_tb(self.traceback))
class UnsupportedError(ExtractorError):
def __init__(self, url):
super(UnsupportedError, self).__init__(
'Unsupported URL: %s' % url, expected=True)
self.url = url
class RegexNotFoundError(ExtractorError):
"""Error when a regex didn't match"""
pass
class GeoRestrictedError(ExtractorError):
"""Geographic restriction Error exception.
This exception may be thrown when a video is not available from your
geographic location due to geographic restrictions imposed by a website.
"""
def __init__(self, msg, countries=None):
super(GeoRestrictedError, self).__init__(msg, expected=True)
self.msg = msg
self.countries = countries
class DownloadError(YoutubeDLError):
"""Download Error exception.
This exception may be thrown by FileDownloader objects if they are not
configured to continue on errors. They will contain the appropriate
error message.
"""
def __init__(self, msg, exc_info=None):
""" exc_info, if given, is the original exception that caused the trouble (as returned by sys.exc_info()). """
super(DownloadError, self).__init__(msg)
self.exc_info = exc_info
class SameFileError(YoutubeDLError):
"""Same File exception.
This exception will be thrown by FileDownloader objects if they detect
multiple files would have to be downloaded to the same file on disk.
"""
pass
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