yt-dlp/yt_dlp/utils.py

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import atexit
import base64
import binascii
import calendar
import codecs
import collections
import contextlib
import ctypes
import datetime
import email.header
import email.utils
import errno
import gzip
import hashlib
import hmac
import html.entities
import html.parser
import http.client
import http.cookiejar
import importlib.util
import inspect
import io
import itertools
import json
import locale
import math
import mimetypes
import operator
import os
import platform
import random
import re
import shlex
import socket
import ssl
import struct
import subprocess
import sys
import tempfile
import time
import traceback
import types
import urllib.error
import urllib.parse
import urllib.request
import xml.etree.ElementTree
import zlib
from .compat import asyncio, functools # isort: split
from .compat import (
compat_etree_fromstring,
compat_expanduser,
compat_HTMLParseError,
compat_os_name,
compat_shlex_quote,
)
from .dependencies import brotli, certifi, websockets, xattr
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 urllib.parse.uses_netloc:
urllib.parse.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 = (
'90.0.4430.212',
'90.0.4430.24',
'90.0.4430.70',
'90.0.4430.72',
'90.0.4430.85',
'90.0.4430.93',
'91.0.4472.101',
'91.0.4472.106',
'91.0.4472.114',
'91.0.4472.124',
'91.0.4472.164',
'91.0.4472.19',
'91.0.4472.77',
'92.0.4515.107',
'92.0.4515.115',
'92.0.4515.131',
'92.0.4515.159',
'92.0.4515.43',
'93.0.4556.0',
'93.0.4577.15',
'93.0.4577.63',
'93.0.4577.82',
'94.0.4606.41',
'94.0.4606.54',
'94.0.4606.61',
'94.0.4606.71',
'94.0.4606.81',
'94.0.4606.85',
'95.0.4638.17',
'95.0.4638.50',
'95.0.4638.54',
'95.0.4638.69',
'95.0.4638.74',
'96.0.4664.18',
'96.0.4664.45',
'96.0.4664.55',
'96.0.4664.93',
'97.0.4692.20',
)
return _USER_AGENT_TPL % random.choice(_CHROME_VERSIONS)
SUPPORTED_ENCODINGS = [
'gzip', 'deflate'
]
if brotli:
SUPPORTED_ENCODINGS.append('br')
std_headers = {
'User-Agent': random_user_agent(),
'Accept': 'text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8',
'Accept-Language': 'en-us,en;q=0.5',
'Sec-Fetch-Mode': 'navigate',
}
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()
IDENTITY = lambda x: x
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',
'%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',
'%Y-%m-%d %H:%M',
'%Y-%m-%d %H:%M:%S',
'%Y-%m-%d %H:%M:%S.%f',
'%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',
'%H:%M %d-%b-%Y',
)
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[^>]*>\s*(?P<json_ld>{.+?})\s*</script>'
NUMBER_RE = r'\d+(?:\.\d+)?'
@functools.cache
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 """
tf = tempfile.NamedTemporaryFile(
prefix=f'{os.path.basename(fn)}.', dir=os.path.dirname(fn),
suffix='.tmp', delete=False, mode='w', encoding='utf-8')
try:
with tf:
json.dump(obj, tf, ensure_ascii=False)
if sys.platform == 'win32':
# Need to remove existing file on Windows, else os.rename raises
# WindowsError or FileExistsError.
with contextlib.suppress(OSError):
os.unlink(fn)
with contextlib.suppress(OSError):
mask = os.umask(0)
os.umask(mask)
os.chmod(tf.name, 0o666 & ~mask)
os.rename(tf.name, fn)
except Exception:
with contextlib.suppress(OSError):
os.remove(tf.name)
raise
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 f"[@{key}='{val}']")
return node.find(expr)
# 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(xpath)
if isinstance(xpath, 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 = f'{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, **kwargs):
"""Return the content of the tag with the specified ID in the passed HTML document"""
return get_element_by_attribute('id', id, html, **kwargs)
def get_element_html_by_id(id, html, **kwargs):
"""Return the html of the tag with the specified ID in the passed HTML document"""
return get_element_html_by_attribute('id', id, html, **kwargs)
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_html_by_class(class_name, html):
"""Return the html of the first tag with the specified class in the passed HTML document"""
retval = get_elements_html_by_class(class_name, html)
return retval[0] if retval else None
def get_element_by_attribute(attribute, value, html, **kwargs):
retval = get_elements_by_attribute(attribute, value, html, **kwargs)
return retval[0] if retval else None
def get_element_html_by_attribute(attribute, value, html, **kargs):
retval = get_elements_html_by_attribute(attribute, value, html, **kargs)
return retval[0] if retval else None
def get_elements_by_class(class_name, html, **kargs):
"""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'[^\'"]*(?<=[\'"\s])%s(?=[\'"\s])[^\'"]*' % re.escape(class_name),
html, escape_value=False)
def get_elements_html_by_class(class_name, html):
"""Return the html of all tags with the specified class in the passed HTML document as a list"""
return get_elements_html_by_attribute(
'class', r'[^\'"]*(?<=[\'"\s])%s(?=[\'"\s])[^\'"]*' % re.escape(class_name),
html, escape_value=False)
def get_elements_by_attribute(*args, **kwargs):
"""Return the content of the tag with the specified attribute in the passed HTML document"""
return [content for content, _ in get_elements_text_and_html_by_attribute(*args, **kwargs)]
def get_elements_html_by_attribute(*args, **kwargs):
"""Return the html of the tag with the specified attribute in the passed HTML document"""
return [whole for _, whole in get_elements_text_and_html_by_attribute(*args, **kwargs)]
def get_elements_text_and_html_by_attribute(attribute, value, html, escape_value=True):
"""
Return the text (content) and the html (whole) of the tag with the specified
attribute in the passed HTML document
"""
quote = '' if re.match(r'''[\s"'`=<>]''', value) else '?'
value = re.escape(value) if escape_value else value
partial_element_re = rf'''(?x)
<(?P<tag>[a-zA-Z0-9:._-]+)
(?:\s(?:[^>"']|"[^"]*"|'[^']*')*)?
\s{re.escape(attribute)}\s*=\s*(?P<_q>['"]{quote})(?-x:{value})(?P=_q)
'''
for m in re.finditer(partial_element_re, html):
content, whole = get_element_text_and_html_by_tag(m.group('tag'), html[m.start():])
yield (
unescapeHTML(re.sub(r'^(?P<q>["\'])(?P<content>.*)(?P=q)$', r'\g<content>', content, flags=re.DOTALL)),
whole
)
class HTMLBreakOnClosingTagParser(html.parser.HTMLParser):
"""
HTML parser which raises HTMLBreakOnClosingTagException upon reaching the
closing tag for the first opening tag it has encountered, and can be used
as a context manager
"""
class HTMLBreakOnClosingTagException(Exception):
pass
def __init__(self):
self.tagstack = collections.deque()
html.parser.HTMLParser.__init__(self)
def __enter__(self):
return self
def __exit__(self, *_):
self.close()
def close(self):
# handle_endtag does not return upon raising HTMLBreakOnClosingTagException,
# so data remains buffered; we no longer have any interest in it, thus
# override this method to discard it
pass
def handle_starttag(self, tag, _):
self.tagstack.append(tag)
def handle_endtag(self, tag):
if not self.tagstack:
raise compat_HTMLParseError('no tags in the stack')
while self.tagstack:
inner_tag = self.tagstack.pop()
if inner_tag == tag:
break
else:
raise compat_HTMLParseError(f'matching opening tag for closing {tag} tag not found')
if not self.tagstack:
raise self.HTMLBreakOnClosingTagException()
def get_element_text_and_html_by_tag(tag, html):
"""
For the first element with the specified tag in the passed HTML document
return its' content (text) and the whole element (html)
"""
def find_or_raise(haystack, needle, exc):
try:
return haystack.index(needle)
except ValueError:
raise exc
closing_tag = f'</{tag}>'
whole_start = find_or_raise(
html, f'<{tag}', compat_HTMLParseError(f'opening {tag} tag not found'))
content_start = find_or_raise(
html[whole_start:], '>', compat_HTMLParseError(f'malformed opening {tag} tag'))
content_start += whole_start + 1
with HTMLBreakOnClosingTagParser() as parser:
parser.feed(html[whole_start:content_start])
if not parser.tagstack or parser.tagstack[0] != tag:
raise compat_HTMLParseError(f'parser did not match opening {tag} tag')
offset = content_start
while offset < len(html):
next_closing_tag_start = find_or_raise(
html[offset:], closing_tag,
compat_HTMLParseError(f'closing {tag} tag not found'))
next_closing_tag_end = next_closing_tag_start + len(closing_tag)
try:
parser.feed(html[offset:offset + next_closing_tag_end])
offset += next_closing_tag_end
except HTMLBreakOnClosingTagParser.HTMLBreakOnClosingTagException:
return html[content_start:offset + next_closing_tag_start], \
html[whole_start:offset + next_closing_tag_end]
raise compat_HTMLParseError('unexpected end of html')
class HTMLAttributeParser(html.parser.HTMLParser):
"""Trivial HTML parser to gather the attributes for a single element"""
def __init__(self):
self.attrs = {}
html.parser.HTMLParser.__init__(self)
def handle_starttag(self, tag, attrs):
self.attrs = dict(attrs)
class HTMLListAttrsParser(html.parser.HTMLParser):
"""HTML parser to gather the attributes for the elements of a list"""
def __init__(self):
html.parser.HTMLParser.__init__(self)
self.items = []
self._level = 0
def handle_starttag(self, tag, attrs):
if tag == 'li' and self._level == 0:
self.items.append(dict(attrs))
self._level += 1
def handle_endtag(self, tag):
self._level -= 1
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': '\''
}.
"""
parser = HTMLAttributeParser()
with contextlib.suppress(compat_HTMLParseError):
parser.feed(html_element)
parser.close()
return parser.attrs
def parse_list(webpage):
"""Given a string for an series of HTML <li> elements,
return a dictionary of their attributes"""
parser = HTMLListAttrsParser()
parser.feed(webpage)
parser.close()
return parser.items
def clean_html(html):
"""Clean an HTML snippet into a readable string"""
if html is None: # Convenience for sanitizing descriptions etc.
return html
html = re.sub(r'\s+', ' ', html)
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()
class LenientJSONDecoder(json.JSONDecoder):
def __init__(self, *args, transform_source=None, ignore_extra=False, **kwargs):
self.transform_source, self.ignore_extra = transform_source, ignore_extra
super().__init__(*args, **kwargs)
def decode(self, s):
if self.transform_source:
s = self.transform_source(s)
if self.ignore_extra:
return self.raw_decode(s.lstrip())[0]
return super().decode(s)
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).
"""
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)
for attempt in range(2):
try:
try:
if sys.platform == 'win32':
# FIXME: An exclusive lock also locks the file from being read.
# Since windows locks are mandatory, don't lock the file on windows (for now).
# Ref: https://github.com/yt-dlp/yt-dlp/issues/3124
raise LockingUnsupportedError()
stream = locked_file(filename, open_mode, block=False).__enter__()
except OSError:
stream = open(filename, open_mode)
return stream, filename
except OSError as err:
if attempt or err.errno in (errno.EACCES,):
raise
old_filename, filename = filename, sanitize_path(filename)
if old_filename == filename:
raise
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=NO_DEFAULT):
"""Sanitizes a string so it could be used as part of a filename.
@param restricted Use a stricter subset of allowed characters
@param is_id Whether this is an ID that should be kept unchanged if possible.
If unset, yt-dlp's new sanitization rules are in effect
"""
if s == '':
return ''
def replace_insane(char):
if restricted and char in ACCENT_CHARS:
return ACCENT_CHARS[char]
elif not restricted and char == '\n':
return '\0 '
elif char == '?' or ord(char) < 32 or ord(char) == 127:
return ''
elif char == '"':
return '' if restricted else '\''
elif char == ':':
return '\0_\0-' if restricted else '\0 \0-'
elif char in '\\/|*<>':
return '\0_'
if restricted and (char in '!&\'()[]{}$;`^,#' or char.isspace() or ord(char) > 127):
return '\0_'
return char
s = re.sub(r'[0-9]+(?::[0-9]+)+', lambda m: m.group(0).replace(':', '_'), s) # Handle timestamps
result = ''.join(map(replace_insane, s))
if is_id is NO_DEFAULT:
result = re.sub(r'(\0.)(?:(?=\1)..)+', r'\1', result) # Remove repeated substitute chars
STRIP_RE = r'(?:\0.|[ _-])*'
result = re.sub(f'^\0.{STRIP_RE}|{STRIP_RE}\0.$', '', result) # Remove substitute chars from start/end
result = result.replace('\0', '') or '_'
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, force=False):
"""Sanitizes and normalizes path on Windows"""
if sys.platform == 'win32':
force = False
drive_or_unc, _ = os.path.splitdrive(s)
elif force:
drive_or_unc = ''
else:
return 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)
elif force and s and s[0] == os.path.sep:
sanitized_path.insert(0, 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 is None:
return
elif 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 extract_basic_auth(url):
parts = urllib.parse.urlsplit(url)
if parts.username is None:
return url, None
url = urllib.parse.urlunsplit(parts._replace(netloc=(
parts.hostname if parts.port is None
else '%s:%d' % (parts.hostname, parts.port))))
auth_payload = base64.b64encode(
('%s:%s' % (parts.username, parts.password or '')).encode())
return url, f'Basic {auth_payload.decode()}'
def sanitized_Request(url, *args, **kwargs):
url, auth_header = extract_basic_auth(escape_url(sanitize_url(url)))
if auth_header is not None:
headers = args[1] if len(args) >= 2 else kwargs.setdefault('headers', {})
headers['Authorization'] = auth_header
return urllib.request.Request(url, *args, **kwargs)
def expand_path(s):
"""Expand shell variables and ~"""
return os.path.expandvars(compat_expanduser(s))
def orderedSet(iterable, *, lazy=False):
"""Remove all duplicates from the input iterable"""
def _iter():
seen = [] # Do not use set since the items can be unhashable
for x in iterable:
if x not in seen:
seen.append(x)
yield x
return _iter() if lazy else list(_iter())
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 html.entities.name2codepoint:
return chr(html.entities.name2codepoint[entity])
# TODO: HTML5 allows entities without a semicolon. For example,
# '&Eacuteric' should be decoded as 'Éric'.
if entity_with_semicolon in html.entities.html5:
return 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
with contextlib.suppress(ValueError):
return chr(int(numstr, base))
# Unknown entity in name, return its literal representation
return '&%s;' % entity
def unescapeHTML(s):
if s is None:
return None
assert isinstance(s, str)
return re.sub(
r'&([^&;]+;)', lambda m: _htmlentity_transform(m.group(1)), s)
def escapeHTML(text):
return (
text
.replace('&', '&amp;')
.replace('<', '&lt;')
.replace('>', '&gt;')
.replace('"', '&quot;')
.replace("'", '&#39;')
)
def process_communicate_or_kill(p, *args, **kwargs):
write_string('DeprecationWarning: yt_dlp.utils.process_communicate_or_kill is deprecated '
'and may be removed in a future version. Use yt_dlp.utils.Popen.communicate_or_kill instead')
return Popen.communicate_or_kill(p, *args, **kwargs)
class Popen(subprocess.Popen):
if sys.platform == 'win32':
_startupinfo = subprocess.STARTUPINFO()
_startupinfo.dwFlags |= subprocess.STARTF_USESHOWWINDOW
else:
_startupinfo = None
def __init__(self, *args, text=False, **kwargs):
if text is True:
kwargs['universal_newlines'] = True # For 3.6 compatibility
kwargs.setdefault('encoding', 'utf-8')
kwargs.setdefault('errors', 'replace')
super().__init__(*args, **kwargs, startupinfo=self._startupinfo)
def communicate_or_kill(self, *args, **kwargs):
try:
return self.communicate(*args, **kwargs)
except BaseException: # Including KeyboardInterrupt
self.kill(timeout=None)
raise
def kill(self, *, timeout=0):
super().kill()
if timeout != 0:
self.wait(timeout=timeout)
@classmethod
def run(cls, *args, **kwargs):
with cls(*args, **kwargs) as proc:
stdout, stderr = proc.communicate_or_kill()
return stdout or '', stderr or '', proc.returncode
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):
assert isinstance(s, str)
return s
def decodeFilename(b, for_subprocess=False):
return b
def encodeArgument(s):
# Legacy code that uses byte strings
# Uncomment the following line after fixing all post processors
# assert isinstance(s, str), 'Internal error: %r should be of type %r, is %r' % (s, str, type(s))
return s if isinstance(s, str) else s.decode('ascii')
def decodeArgument(b):
return b
def decodeOption(optval):
if optval is None:
return optval
if isinstance(optval, bytes):
optval = optval.decode(preferredencoding())
assert isinstance(optval, str)
return optval
_timetuple = collections.namedtuple('Time', ('hours', 'minutes', 'seconds', 'milliseconds'))
def timetuple_from_msec(msec):
secs, msec = divmod(msec, 1000)
mins, secs = divmod(secs, 60)
hrs, mins = divmod(mins, 60)
return _timetuple(hrs, mins, secs, msec)
def formatSeconds(secs, delim=':', msec=False):
time = timetuple_from_msec(secs * 1000)
if time.hours:
ret = '%d%s%02d%s%02d' % (time.hours, delim, time.minutes, delim, time.seconds)
elif time.minutes:
ret = '%d%s%02d' % (time.minutes, delim, time.seconds)
else:
ret = '%d' % time.seconds
return '%s.%03d' % (ret, time.milliseconds) if msec else ret
def _ssl_load_windows_store_certs(ssl_context, storename):
# Code adapted from _load_windows_store_certs in https://github.com/python/cpython/blob/main/Lib/ssl.py
try:
certs = [cert for cert, encoding, trust in ssl.enum_certificates(storename)
if encoding == 'x509_asn' and (
trust is True or ssl.Purpose.SERVER_AUTH.oid in trust)]
except PermissionError:
return
for cert in certs:
with contextlib.suppress(ssl.SSLError):
ssl_context.load_verify_locations(cadata=cert)
def make_HTTPS_handler(params, **kwargs):
opts_check_certificate = not params.get('nocheckcertificate')
context = ssl.SSLContext(ssl.PROTOCOL_TLS_CLIENT)
context.check_hostname = opts_check_certificate
if params.get('legacyserverconnect'):
context.options |= 4 # SSL_OP_LEGACY_SERVER_CONNECT
# Allow use of weaker ciphers in Python 3.10+. See https://bugs.python.org/issue43998
context.set_ciphers('DEFAULT')
context.verify_mode = ssl.CERT_REQUIRED if opts_check_certificate else ssl.CERT_NONE
if opts_check_certificate:
if has_certifi and 'no-certifi' not in params.get('compat_opts', []):
context.load_verify_locations(cafile=certifi.where())
else:
try:
context.load_default_certs()
# Work around the issue in load_default_certs when there are bad certificates. See:
# https://github.com/yt-dlp/yt-dlp/issues/1060,
# https://bugs.python.org/issue35665, https://bugs.python.org/issue45312
except ssl.SSLError:
# enum_certificates is not present in mingw python. See https://github.com/yt-dlp/yt-dlp/issues/1151
if sys.platform == 'win32' and hasattr(ssl, 'enum_certificates'):
for storename in ('CA', 'ROOT'):
_ssl_load_windows_store_certs(context, storename)
context.set_default_verify_paths()
client_certfile = params.get('client_certificate')
if client_certfile:
try:
context.load_cert_chain(
client_certfile, keyfile=params.get('client_certificate_key'),
password=params.get('client_certificate_password'))
except ssl.SSLError:
raise YoutubeDLError('Unable to load client certificate')
# Some servers may reject requests if ALPN extension is not sent. See:
# https://github.com/python/cpython/issues/85140
# https://github.com/yt-dlp/yt-dlp/issues/3878
with contextlib.suppress(NotImplementedError):
context.set_alpn_protocols(['http/1.1'])
return YoutubeDLHTTPSHandler(params, context=context, **kwargs)
def bug_reports_message(before=';'):
from .update import REPOSITORY
msg = (f'please report this issue on https://github.com/{REPOSITORY}/issues?q= , '
'filling out the appropriate issue template. Confirm you are on the latest version using yt-dlp -U')
before = before.rstrip()
if not before or before.endswith(('.', '!', '?')):
msg = msg[0].title() + msg[1:]
return (before + ' ' if before else '') + msg
class YoutubeDLError(Exception):
"""Base exception for YoutubeDL errors."""
msg = None
def __init__(self, msg=None):
if msg is not None:
self.msg = msg
elif self.msg is None:
self.msg = type(self).__name__
super().__init__(self.msg)
network_exceptions = [urllib.error.URLError, http.client.HTTPException, socket.error]
if hasattr(ssl, 'CertificateError'):
network_exceptions.append(ssl.CertificateError)
network_exceptions = tuple(network_exceptions)
class ExtractorError(YoutubeDLError):
"""Error during info extraction."""
def __init__(self, msg, tb=None, expected=False, cause=None, video_id=None, ie=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 yt-dlp.
"""
if sys.exc_info()[0] in network_exceptions:
expected = True
self.orig_msg = str(msg)
self.traceback = tb
self.expected = expected
self.cause = cause
self.video_id = video_id
self.ie = ie
self.exc_info = sys.exc_info() # preserve original exception
if isinstance(self.exc_info[1], ExtractorError):
self.exc_info = self.exc_info[1].exc_info
super().__init__(''.join((
format_field(ie, None, '[%s] '),
format_field(video_id, None, '%s: '),
msg,
format_field(cause, None, ' (caused by %r)'),
'' if expected else bug_reports_message())))
def format_traceback(self):
return join_nonempty(
self.traceback and ''.join(traceback.format_tb(self.traceback)),
self.cause and ''.join(traceback.format_exception(None, self.cause, self.cause.__traceback__)[1:]),
delim='\n') or None
class UnsupportedError(ExtractorError):
def __init__(self, url):
super().__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, **kwargs):
kwargs['expected'] = True
super().__init__(msg, **kwargs)
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().__init__(msg)
self.exc_info = exc_info
class EntryNotInPlaylist(YoutubeDLError):
"""Entry not in playlist exception.
This exception will be thrown by YoutubeDL when a requested entry
is not found in the playlist info_dict
"""
msg = 'Entry not found in 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.
"""
msg = 'Fixed output name but more than one file to download'
def __init__(self, filename=None):
if filename is not None:
self.msg += f': {filename}'
super().__init__(self.msg)
class PostProcessingError(YoutubeDLError):
"""Post Processing exception.
This exception may be raised by PostProcessor's .run() method to
indicate an error in the postprocessing task.
"""
class DownloadCancelled(YoutubeDLError):
""" Exception raised when the download queue should be interrupted """
msg = 'The download was cancelled'
class ExistingVideoReached(DownloadCancelled):
""" --break-on-existing triggered """
msg = 'Encountered a video that is already in the archive, stopping due to --break-on-existing'
class RejectedVideoReached(DownloadCancelled):
""" --break-on-reject triggered """
msg = 'Encountered a video that did not match filter, stopping due to --break-on-reject'
class MaxDownloadsReached(DownloadCancelled):
""" --max-downloads limit has been reached. """
msg = 'Maximum number of downloads reached, stopping due to --max-downloads'
class ReExtractInfo(YoutubeDLError):
""" Video info needs to be re-extracted. """
def __init__(self, msg, expected=False):
super().__init__(msg)
self.expected = expected
class ThrottledDownload(ReExtractInfo):
""" Download speed below --throttled-rate. """
msg = 'The download speed is below throttle limit'
def __init__(self):
super().__init__(self.msg, expected=False)
class UnavailableVideoError(YoutubeDLError):
"""Unavailable Format exception.
This exception will be thrown when a video is requested
in a format that is not available for that video.
"""
msg = 'Unable to download video'
def __init__(self, err=None):
if err is not None:
self.msg += f': {err}'
super().__init__(self.msg)
class ContentTooShortError(YoutubeDLError):
"""Content Too Short exception.
This exception may be raised by FileDownloader objects when a file they
download is too small for what the server announced first, indicating
the connection was probably interrupted.
"""
def __init__(self, downloaded, expected):
super().__init__(f'Downloaded {downloaded} bytes, expected {expected} bytes')
# Both in bytes
self.downloaded = downloaded
self.expected = expected
class XAttrMetadataError(YoutubeDLError):
def __init__(self, code=None, msg='Unknown error'):
super().__init__(msg)
self.code = code
self.msg = msg
# Parsing code and msg
if (self.code in (errno.ENOSPC, errno.EDQUOT)
or 'No space left' in self.msg or 'Disk quota exceeded' in self.msg):
self.reason = 'NO_SPACE'
elif self.code == errno.E2BIG or 'Argument list too long' in self.msg:
self.reason = 'VALUE_TOO_LONG'
else:
self.reason = 'NOT_SUPPORTED'
class XAttrUnavailableError(YoutubeDLError):
pass
def _create_http_connection(ydl_handler, http_class, is_https, *args, **kwargs):
hc = http_class(*args, **kwargs)
source_address = ydl_handler._params.get('source_address')
if source_address is not None:
# This is to workaround _create_connection() from socket where it will try all
# address data from getaddrinfo() including IPv6. This filters the result from
# getaddrinfo() based on the source_address value.
# This is based on the cpython socket.create_connection() function.
# https://github.com/python/cpython/blob/master/Lib/socket.py#L691
def _create_connection(address, timeout=socket._GLOBAL_DEFAULT_TIMEOUT, source_address=None):
host, port = address
err = None
addrs = socket.getaddrinfo(host, port, 0, socket.SOCK_STREAM)
af = socket.AF_INET if '.' in source_address[0] else socket.AF_INET6
ip_addrs = [addr for addr in addrs if addr[0] == af]
if addrs and not ip_addrs:
ip_version = 'v4' if af == socket.AF_INET else 'v6'
raise OSError(
"No remote IP%s addresses available for connect, can't use '%s' as source address"
% (ip_version, source_address[0]))
for res in ip_addrs:
af, socktype, proto, canonname, sa = res
sock = None
try:
sock = socket.socket(af, socktype, proto)
if timeout is not socket._GLOBAL_DEFAULT_TIMEOUT:
sock.settimeout(timeout)
sock.bind(source_address)
sock.connect(sa)
err = None # Explicitly break reference cycle
return sock
except OSError as _:
err = _
if sock is not None:
sock.close()
if err is not None:
raise err
else:
raise OSError('getaddrinfo returns an empty list')
if hasattr(hc, '_create_connection'):
hc._create_connection = _create_connection
hc.source_address = (source_address, 0)
return hc
def handle_youtubedl_headers(headers):
filtered_headers = headers
if 'Youtubedl-no-compression' in filtered_headers:
filtered_headers = {k: v for k, v in filtered_headers.items() if k.lower() != 'accept-encoding'}
del filtered_headers['Youtubedl-no-compression']
return filtered_headers
class YoutubeDLHandler(urllib.request.HTTPHandler):
"""Handler for HTTP requests and responses.
This class, when installed with an OpenerDirector, automatically adds
the standard headers to every HTTP request and handles gzipped and
deflated responses from web servers. If compression is to be avoided in
a particular request, the original request in the program code only has
to include the HTTP header "Youtubedl-no-compression", which will be
removed before making the real request.
Part of this code was copied from:
http://techknack.net/python-urllib2-handlers/
Andrew Rowls, the author of that code, agreed to release it to the
public domain.
"""
def __init__(self, params, *args, **kwargs):
urllib.request.HTTPHandler.__init__(self, *args, **kwargs)
self._params = params
def http_open(self, req):
conn_class = http.client.HTTPConnection
socks_proxy = req.headers.get('Ytdl-socks-proxy')
if socks_proxy:
conn_class = make_socks_conn_class(conn_class, socks_proxy)
del req.headers['Ytdl-socks-proxy']
return self.do_open(functools.partial(
_create_http_connection, self, conn_class, False),
req)
@staticmethod
def deflate(data):
if not data:
return data
try:
return zlib.decompress(data, -zlib.MAX_WBITS)
except zlib.error:
return zlib.decompress(data)
@staticmethod
def brotli(data):
if not data:
return data
return brotli.decompress(data)
def http_request(self, req):
# According to RFC 3986, URLs can not contain non-ASCII characters, however this is not
# always respected by websites, some tend to give out URLs with non percent-encoded
# non-ASCII characters (see telemb.py, ard.py [#3412])
# urllib chokes on URLs with non-ASCII characters (see http://bugs.python.org/issue3991)
# To work around aforementioned issue we will replace request's original URL with
# percent-encoded one
# Since redirects are also affected (e.g. http://www.southpark.de/alle-episoden/s18e09)
# the code of this workaround has been moved here from YoutubeDL.urlopen()
url = req.get_full_url()
url_escaped = escape_url(url)
# Substitute URL if any change after escaping
if url != url_escaped:
req = update_Request(req, url=url_escaped)
for h, v in self._params.get('http_headers', std_headers).items():
# Capitalize is needed because of Python bug 2275: http://bugs.python.org/issue2275
# The dict keys are capitalized because of this bug by urllib
if h.capitalize() not in req.headers:
req.add_header(h, v)
if 'Accept-encoding' not in req.headers:
req.add_header('Accept-encoding', ', '.join(SUPPORTED_ENCODINGS))
req.headers = handle_youtubedl_headers(req.headers)
return super().do_request_(req)
def http_response(self, req, resp):
old_resp = resp
# gzip
if resp.headers.get('Content-encoding', '') == 'gzip':
content = resp.read()
gz = gzip.GzipFile(fileobj=io.BytesIO(content), mode='rb')
try:
uncompressed = io.BytesIO(gz.read())
except OSError as original_ioerror:
# There may be junk add the end of the file
# See http://stackoverflow.com/q/4928560/35070 for details
for i in range(1, 1024):
try:
gz = gzip.GzipFile(fileobj=io.BytesIO(content[:-i]), mode='rb')
uncompressed = io.BytesIO(gz.read())
except OSError:
continue
break
else:
raise original_ioerror
resp = urllib.request.addinfourl(uncompressed, old_resp.headers, old_resp.url, old_resp.code)
resp.msg = old_resp.msg
del resp.headers['Content-encoding']
# deflate
if resp.headers.get('Content-encoding', '') == 'deflate':
gz = io.BytesIO(self.deflate(resp.read()))
resp = urllib.request.addinfourl(gz, old_resp.headers, old_resp.url, old_resp.code)
resp.msg = old_resp.msg
del resp.headers['Content-encoding']
# brotli
if resp.headers.get('Content-encoding', '') == 'br':
resp = urllib.request.addinfourl(
io.BytesIO(self.brotli(resp.read())), old_resp.headers, old_resp.url, old_resp.code)
resp.msg = old_resp.msg
del resp.headers['Content-encoding']
# Percent-encode redirect URL of Location HTTP header to satisfy RFC 3986 (see
# https://github.com/ytdl-org/youtube-dl/issues/6457).
if 300 <= resp.code < 400:
location = resp.headers.get('Location')
if location:
# As of RFC 2616 default charset is iso-8859-1 that is respected by python 3
location = location.encode('iso-8859-1').decode()
location_escaped = escape_url(location)
if location != location_escaped:
del resp.headers['Location']
resp.headers['Location'] = location_escaped
return resp
https_request = http_request
https_response = http_response
def make_socks_conn_class(base_class, socks_proxy):
assert issubclass(base_class, (
http.client.HTTPConnection, http.client.HTTPSConnection))
url_components = urllib.parse.urlparse(socks_proxy)
if url_components.scheme.lower() == 'socks5':
socks_type = ProxyType.SOCKS5
elif url_components.scheme.lower() in ('socks', 'socks4'):
socks_type = ProxyType.SOCKS4
elif url_components.scheme.lower() == 'socks4a':
socks_type = ProxyType.SOCKS4A
def unquote_if_non_empty(s):
if not s:
return s
return urllib.parse.unquote_plus(s)
proxy_args = (
socks_type,
url_components.hostname, url_components.port or 1080,
True, # Remote DNS
unquote_if_non_empty(url_components.username),
unquote_if_non_empty(url_components.password),
)
class SocksConnection(base_class):
def connect(self):
self.sock = sockssocket()
self.sock.setproxy(*proxy_args)
if isinstance(self.timeout, (int, float)):
self.sock.settimeout(self.timeout)
self.sock.connect((self.host, self.port))
if isinstance(self, http.client.HTTPSConnection):
if hasattr(self, '_context'): # Python > 2.6
self.sock = self._context.wrap_socket(
self.sock, server_hostname=self.host)
else:
self.sock = ssl.wrap_socket(self.sock)
return SocksConnection
class YoutubeDLHTTPSHandler(urllib.request.HTTPSHandler):
def __init__(self, params, https_conn_class=None, *args, **kwargs):
urllib.request.HTTPSHandler.__init__(self, *args, **kwargs)
self._https_conn_class = https_conn_class or http.client.HTTPSConnection
self._params = params
def https_open(self, req):
kwargs = {}
conn_class = self._https_conn_class
if hasattr(self, '_context'): # python > 2.6
kwargs['context'] = self._context
if hasattr(self, '_check_hostname'): # python 3.x
kwargs['check_hostname'] = self._check_hostname
socks_proxy = req.headers.get('Ytdl-socks-proxy')
if socks_proxy:
conn_class = make_socks_conn_class(conn_class, socks_proxy)
del req.headers['Ytdl-socks-proxy']
try:
return self.do_open(
functools.partial(_create_http_connection, self, conn_class, True), req, **kwargs)
except urllib.error.URLError as e:
if (isinstance(e.reason, ssl.SSLError)
and getattr(e.reason, 'reason', None) == 'SSLV3_ALERT_HANDSHAKE_FAILURE'):
raise YoutubeDLError('SSLV3_ALERT_HANDSHAKE_FAILURE: Try using --legacy-server-connect')
raise
class YoutubeDLCookieJar(http.cookiejar.MozillaCookieJar):
"""
See [1] for cookie file format.
1. https://curl.haxx.se/docs/http-cookies.html
"""
_HTTPONLY_PREFIX = '#HttpOnly_'
_ENTRY_LEN = 7
_HEADER = '''# Netscape HTTP Cookie File
# This file is generated by yt-dlp. Do not edit.
'''
_CookieFileEntry = collections.namedtuple(
'CookieFileEntry',
('domain_name', 'include_subdomains', 'path', 'https_only', 'expires_at', 'name', 'value'))
def __init__(self, filename=None, *args, **kwargs):
super().__init__(None, *args, **kwargs)
if self.is_path(filename):
filename = os.fspath(filename)
self.filename = filename
@staticmethod
def _true_or_false(cndn):
return 'TRUE' if cndn else 'FALSE'
@staticmethod
def is_path(file):
return isinstance(file, (str, bytes, os.PathLike))
@contextlib.contextmanager
def open(self, file, *, write=False):
if self.is_path(file):
with open(file, 'w' if write else 'r', encoding='utf-8') as f:
yield f
else:
if write:
file.truncate(0)
yield file
def _really_save(self, f, ignore_discard=False, ignore_expires=False):
now = time.time()
for cookie in self:
if (not ignore_discard and cookie.discard
or not ignore_expires and cookie.is_expired(now)):
continue
name, value = cookie.name, cookie.value
if value is None:
# cookies.txt regards 'Set-Cookie: foo' as a cookie
# with no name, whereas http.cookiejar regards it as a
# cookie with no value.
name, value = '', name
f.write('%s\n' % '\t'.join((
cookie.domain,
self._true_or_false(cookie.domain.startswith('.')),
cookie.path,
self._true_or_false(cookie.secure),
str_or_none(cookie.expires, default=''),
name, value
)))
def save(self, filename=None, *args, **kwargs):
"""
Save cookies to a file.
Code is taken from CPython 3.6
https://github.com/python/cpython/blob/8d999cbf4adea053be6dbb612b9844635c4dfb8e/Lib/http/cookiejar.py#L2091-L2117 """
if filename is None:
if self.filename is not None:
filename = self.filename
else:
raise ValueError(http.cookiejar.MISSING_FILENAME_TEXT)
# Store session cookies with `expires` set to 0 instead of an empty string
for cookie in self:
if cookie.expires is None:
cookie.expires = 0
with self.open(filename, write=True) as f:
f.write(self._HEADER)
self._really_save(f, *args, **kwargs)
def load(self, filename=None, ignore_discard=False, ignore_expires=False):
"""Load cookies from a file."""
if filename is None:
if self.filename is not None:
filename = self.filename
else:
raise ValueError(http.cookiejar.MISSING_FILENAME_TEXT)
def prepare_line(line):
if line.startswith(self._HTTPONLY_PREFIX):
line = line[len(self._HTTPONLY_PREFIX):]
# comments and empty lines are fine
if line.startswith('#') or not line.strip():
return line
cookie_list = line.split('\t')
if len(cookie_list) != self._ENTRY_LEN:
raise http.cookiejar.LoadError('invalid length %d' % len(cookie_list))
cookie = self._CookieFileEntry(*cookie_list)
if cookie.expires_at and not cookie.expires_at.isdigit():
raise http.cookiejar.LoadError('invalid expires at %s' % cookie.expires_at)
return line
cf = io.StringIO()
with self.open(filename) as f:
for line in f:
try:
cf.write(prepare_line(line))
except http.cookiejar.LoadError as e:
if f'{line.strip()} '[0] in '[{"':
raise http.cookiejar.LoadError(
'Cookies file must be Netscape formatted, not JSON. See '
'https://github.com/ytdl-org/youtube-dl#how-do-i-pass-cookies-to-youtube-dl')
write_string(f'WARNING: skipping cookie file entry due to {e}: {line!r}\n')
continue
cf.seek(0)
self._really_load(cf, filename, ignore_discard, ignore_expires)
# Session cookies are denoted by either `expires` field set to
# an empty string or 0. MozillaCookieJar only recognizes the former
# (see [1]). So we need force the latter to be recognized as session
# cookies on our own.
# Session cookies may be important for cookies-based authentication,
# e.g. usually, when user does not check 'Remember me' check box while
# logging in on a site, some important cookies are stored as session
# cookies so that not recognizing them will result in failed login.
# 1. https://bugs.python.org/issue17164
for cookie in self:
# Treat `expires=0` cookies as session cookies
if cookie.expires == 0:
cookie.expires = None
cookie.discard = True
class YoutubeDLCookieProcessor(urllib.request.HTTPCookieProcessor):
def __init__(self, cookiejar=None):
urllib.request.HTTPCookieProcessor.__init__(self, cookiejar)
def http_response(self, request, response):
return urllib.request.HTTPCookieProcessor.http_response(self, request, response)
https_request = urllib.request.HTTPCookieProcessor.http_request
https_response = http_response
class YoutubeDLRedirectHandler(urllib.request.HTTPRedirectHandler):
"""YoutubeDL redirect handler
The code is based on HTTPRedirectHandler implementation from CPython [1].
This redirect handler solves two issues:
- ensures redirect URL is always unicode under python 2
- introduces support for experimental HTTP response status code
308 Permanent Redirect [2] used by some sites [3]
1. https://github.com/python/cpython/blob/master/Lib/urllib/request.py
2. https://developer.mozilla.org/en-US/docs/Web/HTTP/Status/308
3. https://github.com/ytdl-org/youtube-dl/issues/28768
"""
http_error_301 = http_error_303 = http_error_307 = http_error_308 = urllib.request.HTTPRedirectHandler.http_error_302
def redirect_request(self, req, fp, code, msg, headers, newurl):
"""Return a Request or None in response to a redirect.
This is called by the http_error_30x methods when a
redirection response is received. If a redirection should
take place, return a new Request to allow http_error_30x to
perform the redirect. Otherwise, raise HTTPError if no-one
else should try to handle this url. Return None if you can't
but another Handler might.
"""
m = req.get_method()
if (not (code in (301, 302, 303, 307, 308) and m in ("GET", "HEAD")
or code in (301, 302, 303) and m == "POST")):
raise urllib.error.HTTPError(req.full_url, code, msg, headers, fp)
# Strictly (according to RFC 2616), 301 or 302 in response to
# a POST MUST NOT cause a redirection without confirmation
# from the user (of urllib.request, in this case). In practice,
# essentially all clients do redirect in this case, so we do
# the same.
# Be conciliant with URIs containing a space. This is mainly
# redundant with the more complete encoding done in http_error_302(),
# but it is kept for compatibility with other callers.
newurl = newurl.replace(' ', '%20')
CONTENT_HEADERS = ("content-length", "content-type")
# NB: don't use dict comprehension for python 2.6 compatibility
newheaders = {k: v for k, v in req.headers.items() if k.lower() not in CONTENT_HEADERS}
# A 303 must either use GET or HEAD for subsequent request
# https://datatracker.ietf.org/doc/html/rfc7231#section-6.4.4
if code == 303 and m != 'HEAD':
m = 'GET'
# 301 and 302 redirects are commonly turned into a GET from a POST
# for subsequent requests by browsers, so we'll do the same.
# https://datatracker.ietf.org/doc/html/rfc7231#section-6.4.2
# https://datatracker.ietf.org/doc/html/rfc7231#section-6.4.3
if code in (301, 302) and m == 'POST':
m = 'GET'
return urllib.request.Request(
newurl, headers=newheaders, origin_req_host=req.origin_req_host,
unverifiable=True, method=m)
def extract_timezone(date_str):
m = re.search(
r'''(?x)
^.{8,}? # >=8 char non-TZ prefix, if present
(?P<tz>Z| # just the UTC Z, or
(?:(?<=.\b\d{4}|\b\d{2}:\d\d)| # preceded by 4 digits or hh:mm or
(?<!.\b[a-zA-Z]{3}|[a-zA-Z]{4}|..\b\d\d)) # not preceded by 3 alpha word or >= 4 alpha or 2 digits
[ ]? # optional space
(?P<sign>\+|-) # +/-
(?P<hours>[0-9]{2}):?(?P<minutes>[0-9]{2}) # hh[:]mm
$)
''', date_str)
if not m:
timezone = datetime.timedelta()
else:
date_str = date_str[:-len(m.group('tz'))]
if not m.group('sign'):
timezone = datetime.timedelta()
else:
sign = 1 if m.group('sign') == '+' else -1
timezone = datetime.timedelta(
hours=sign * int(m.group('hours')),
minutes=sign * int(m.group('minutes')))
return timezone, date_str
def parse_iso8601(date_str, delimiter='T', timezone=None):
""" Return a UNIX timestamp from the given date """
if date_str is None:
return None
date_str = re.sub(r'\.[0-9]+', '', date_str)
if timezone is None:
timezone, date_str = extract_timezone(date_str)
with contextlib.suppress(ValueError):
date_format = f'%Y-%m-%d{delimiter}%H:%M:%S'
dt = datetime.datetime.strptime(date_str, date_format) - timezone
return calendar.timegm(dt.timetuple())
def date_formats(day_first=True):
return DATE_FORMATS_DAY_FIRST if day_first else DATE_FORMATS_MONTH_FIRST
def unified_strdate(date_str, day_first=True):
"""Return a string with the date in the format YYYYMMDD"""
if date_str is None:
return None
upload_date = None
# Replace commas
date_str = date_str.replace(',', ' ')
# Remove AM/PM + timezone
date_str = re.sub(r'(?i)\s*(?:AM|PM)(?:\s+[A-Z]+)?', '', date_str)
_, date_str = extract_timezone(date_str)
for expression in date_formats(day_first):
with contextlib.suppress(ValueError):
upload_date = datetime.datetime.strptime(date_str, expression).strftime('%Y%m%d')
if upload_date is None:
timetuple = email.utils.parsedate_tz(date_str)
if timetuple:
with contextlib.suppress(ValueError):
upload_date = datetime.datetime(*timetuple[:6]).strftime('%Y%m%d')
if upload_date is not None:
return str(upload_date)
def unified_timestamp(date_str, day_first=True):
if date_str is None:
return None
date_str = re.sub(r'[,|]', '', date_str)
pm_delta = 12 if re.search(r'(?i)PM', date_str) else 0
timezone, date_str = extract_timezone(date_str)
# Remove AM/PM + timezone
date_str = re.sub(r'(?i)\s*(?:AM|PM)(?:\s+[A-Z]+)?', '', date_str)
# Remove unrecognized timezones from ISO 8601 alike timestamps
m = re.search(r'\d{1,2}:\d{1,2}(?:\.\d+)?(?P<tz>\s*[A-Z]+)$', date_str)
if m:
date_str = date_str[:-len(m.group('tz'))]
# Python only supports microseconds, so remove nanoseconds
m = re.search(r'^([0-9]{4,}-[0-9]{1,2}-[0-9]{1,2}T[0-9]{1,2}:[0-9]{1,2}:[0-9]{1,2}\.[0-9]{6})[0-9]+$', date_str)
if m:
date_str = m.group(1)
for expression in date_formats(day_first):
with contextlib.suppress(ValueError):
dt = datetime.datetime.strptime(date_str, expression) - timezone + datetime.timedelta(hours=pm_delta)
return calendar.timegm(dt.timetuple())
timetuple = email.utils.parsedate_tz(date_str)
if timetuple:
return calendar.timegm(timetuple) + pm_delta * 3600
def determine_ext(url, default_ext='unknown_video'):
if url is None or '.' not in url:
return default_ext
guess = url.partition('?')[0].rpartition('.')[2]
if re.match(r'^[A-Za-z0-9]+$', guess):
return guess
# Try extract ext from URLs like http://example.com/foo/bar.mp4/?download
elif guess.rstrip('/') in KNOWN_EXTENSIONS:
return guess.rstrip('/')
else:
return default_ext
def subtitles_filename(filename, sub_lang, sub_format, expected_real_ext=None):
return replace_extension(filename, sub_lang + '.' + sub_format, expected_real_ext)
def datetime_from_str(date_str, precision='auto', format='%Y%m%d'):
R"""
Return a datetime object from a string.
Supported format:
(now|today|yesterday|DATE)([+-]\d+(microsecond|second|minute|hour|day|week|month|year)s?)?
@param format strftime format of DATE
@param precision Round the datetime object: auto|microsecond|second|minute|hour|day
auto: round to the unit provided in date_str (if applicable).
"""
auto_precision = False
if precision == 'auto':
auto_precision = True
precision = 'microsecond'
today = datetime_round(datetime.datetime.utcnow(), precision)
if date_str in ('now', 'today'):
return today
if date_str == 'yesterday':
return today - datetime.timedelta(days=1)
match = re.match(
r'(?P<start>.+)(?P<sign>[+-])(?P<time>\d+)(?P<unit>microsecond|second|minute|hour|day|week|month|year)s?',
date_str)
if match is not None:
start_time = datetime_from_str(match.group('start'), precision, format)
time = int(match.group('time')) * (-1 if match.group('sign') == '-' else 1)
unit = match.group('unit')
if unit == 'month' or unit == 'year':
new_date = datetime_add_months(start_time, time * 12 if unit == 'year' else time)
unit = 'day'
else:
if unit == 'week':
unit = 'day'
time *= 7
delta = datetime.timedelta(**{unit + 's': time})
new_date = start_time + delta
if auto_precision:
return datetime_round(new_date, unit)
return new_date
return datetime_round(datetime.datetime.strptime(date_str, format), precision)
def date_from_str(date_str, format='%Y%m%d', strict=False):
R"""
Return a date object from a string using datetime_from_str
@param strict Restrict allowed patterns to "YYYYMMDD" and
(now|today|yesterday)(-\d+(day|week|month|year)s?)?
"""
if strict and not re.fullmatch(r'\d{8}|(now|today|yesterday)(-\d+(day|week|month|year)s?)?', date_str):
raise ValueError(f'Invalid date format "{date_str}"')
return datetime_from_str(date_str, precision='microsecond', format=format).date()
def datetime_add_months(dt, months):
"""Increment/Decrement a datetime object by months."""
month = dt.month + months - 1
year = dt.year + month // 12
month = month % 12 + 1
day = min(dt.day, calendar.monthrange(year, month)[1])
return dt.replace(year, month, day)
def datetime_round(dt, precision='day'):
"""
Round a datetime object's time to a specific precision
"""
if precision == 'microsecond':
return dt
unit_seconds = {
'day': 86400,
'hour': 3600,
'minute': 60,
'second': 1,
}
roundto = lambda x, n: ((x + n / 2) // n) * n
timestamp = calendar.timegm(dt.timetuple())
return datetime.datetime.utcfromtimestamp(roundto(timestamp, unit_seconds[precision]))
def hyphenate_date(date_str):
"""
Convert a date in 'YYYYMMDD' format to 'YYYY-MM-DD' format"""
match = re.match(r'^(\d\d\d\d)(\d\d)(\d\d)$', date_str)
if match is not None:
return '-'.join(match.groups())
else:
return date_str
class DateRange:
"""Represents a time interval between two dates"""
def __init__(self, start=None, end=None):
"""start and end must be strings in the format accepted by date"""
if start is not None:
self.start = date_from_str(start, strict=True)
else:
self.start = datetime.datetime.min.date()
if end is not None:
self.end = date_from_str(end, strict=True)
else:
self.end = datetime.datetime.max.date()
if self.start > self.end:
raise ValueError('Date range: "%s" , the start date must be before the end date' % self)
@classmethod
def day(cls, day):
"""Returns a range that only contains the given day"""
return cls(day, day)
def __contains__(self, date):
"""Check if the date is in the range"""
if not isinstance(date, datetime.date):
date = date_from_str(date)
return self.start <= date <= self.end
def __str__(self):
return f'{self.start.isoformat()} - {self.end.isoformat()}'
def __eq__(self, other):
return (isinstance(other, DateRange)
and self.start == other.start and self.end == other.end)
def platform_name():
""" Returns the platform name as a str """
write_string('DeprecationWarning: yt_dlp.utils.platform_name is deprecated, use platform.platform instead')
return platform.platform()
@functools.cache
def system_identifier():
python_implementation = platform.python_implementation()
if python_implementation == 'PyPy' and hasattr(sys, 'pypy_version_info'):
python_implementation += ' version %d.%d.%d' % sys.pypy_version_info[:3]
return 'Python %s (%s %s) - %s %s' % (
platform.python_version(),
python_implementation,
platform.architecture()[0],
platform.platform(),
format_field(join_nonempty(*platform.libc_ver(), delim=' '), None, '(%s)'),
)
@functools.cache
def get_windows_version():
''' Get Windows version. returns () if it's not running on Windows '''
if compat_os_name == 'nt':
return version_tuple(platform.win32_ver()[1])
else:
return ()
def write_string(s, out=None, encoding=None):
assert isinstance(s, str)
out = out or sys.stderr
if compat_os_name == 'nt' and supports_terminal_sequences(out):
s = re.sub(r'([\r\n]+)', r' \1', s)
enc, buffer = None, out
if 'b' in getattr(out, 'mode', ''):
enc = encoding or preferredencoding()
elif hasattr(out, 'buffer'):
buffer = out.buffer
enc = encoding or getattr(out, 'encoding', None) or preferredencoding()
buffer.write(s.encode(enc, 'ignore') if enc else s)
out.flush()
def bytes_to_intlist(bs):
if not bs:
return []
if isinstance(bs[0], int): # Python 3
return list(bs)
else:
return [ord(c) for c in bs]
def intlist_to_bytes(xs):
if not xs:
return b''
return struct.pack('%dB' % len(xs), *xs)
class LockingUnsupportedError(OSError):
msg = 'File locking is not supported'
def __init__(self):
super().__init__(self.msg)
# Cross-platform file locking
if sys.platform == 'win32':
import ctypes.wintypes
import msvcrt
class OVERLAPPED(ctypes.Structure):
_fields_ = [
('Internal', ctypes.wintypes.LPVOID),
('InternalHigh', ctypes.wintypes.LPVOID),
('Offset', ctypes.wintypes.DWORD),
('OffsetHigh', ctypes.wintypes.DWORD),
('hEvent', ctypes.wintypes.HANDLE),
]
kernel32 = ctypes.windll.kernel32
LockFileEx = kernel32.LockFileEx
LockFileEx.argtypes = [
ctypes.wintypes.HANDLE, # hFile
ctypes.wintypes.DWORD, # dwFlags
ctypes.wintypes.DWORD, # dwReserved
ctypes.wintypes.DWORD, # nNumberOfBytesToLockLow
ctypes.wintypes.DWORD, # nNumberOfBytesToLockHigh
ctypes.POINTER(OVERLAPPED) # Overlapped
]
LockFileEx.restype = ctypes.wintypes.BOOL
UnlockFileEx = kernel32.UnlockFileEx
UnlockFileEx.argtypes = [
ctypes.wintypes.HANDLE, # hFile
ctypes.wintypes.DWORD, # dwReserved
ctypes.wintypes.DWORD, # nNumberOfBytesToLockLow
ctypes.wintypes.DWORD, # nNumberOfBytesToLockHigh
ctypes.POINTER(OVERLAPPED) # Overlapped
]
UnlockFileEx.restype = ctypes.wintypes.BOOL
whole_low = 0xffffffff
whole_high = 0x7fffffff
def _lock_file(f, exclusive, block):
overlapped = OVERLAPPED()
overlapped.Offset = 0
overlapped.OffsetHigh = 0
overlapped.hEvent = 0
f._lock_file_overlapped_p = ctypes.pointer(overlapped)
if not LockFileEx(msvcrt.get_osfhandle(f.fileno()),
(0x2 if exclusive else 0x0) | (0x0 if block else 0x1),
0, whole_low, whole_high, f._lock_file_overlapped_p):
# NB: No argument form of "ctypes.FormatError" does not work on PyPy
raise BlockingIOError(f'Locking file failed: {ctypes.FormatError(ctypes.GetLastError())!r}')
def _unlock_file(f):
assert f._lock_file_overlapped_p
handle = msvcrt.get_osfhandle(f.fileno())
if not UnlockFileEx(handle, 0, whole_low, whole_high, f._lock_file_overlapped_p):
raise OSError('Unlocking file failed: %r' % ctypes.FormatError())
else:
try:
import fcntl
def _lock_file(f, exclusive, block):
flags = fcntl.LOCK_EX if exclusive else fcntl.LOCK_SH
if not block:
flags |= fcntl.LOCK_NB
try:
fcntl.flock(f, flags)
except BlockingIOError:
raise
except OSError: # AOSP does not have flock()
fcntl.lockf(f, flags)
def _unlock_file(f):
try:
fcntl.flock(f, fcntl.LOCK_UN)
except OSError:
fcntl.lockf(f, fcntl.LOCK_UN)
except ImportError:
def _lock_file(f, exclusive, block):
raise LockingUnsupportedError()
def _unlock_file(f):
raise LockingUnsupportedError()
class locked_file:
locked = False
def __init__(self, filename, mode, block=True, encoding=None):
if mode not in {'r', 'rb', 'a', 'ab', 'w', 'wb'}:
raise NotImplementedError(mode)
self.mode, self.block = mode, block
writable = any(f in mode for f in 'wax+')
readable = any(f in mode for f in 'r+')
flags = functools.reduce(operator.ior, (
getattr(os, 'O_CLOEXEC', 0), # UNIX only
getattr(os, 'O_BINARY', 0), # Windows only
getattr(os, 'O_NOINHERIT', 0), # Windows only
os.O_CREAT if writable else 0, # O_TRUNC only after locking
os.O_APPEND if 'a' in mode else 0,
os.O_EXCL if 'x' in mode else 0,
os.O_RDONLY if not writable else os.O_RDWR if readable else os.O_WRONLY,
))
self.f = os.fdopen(os.open(filename, flags, 0o666), mode, encoding=encoding)
def __enter__(self):
exclusive = 'r' not in self.mode
try:
_lock_file(self.f, exclusive, self.block)
self.locked = True
except OSError:
self.f.close()
raise
if 'w' in self.mode:
try:
self.f.truncate()
except OSError as e:
if e.errno not in (
errno.ESPIPE, # Illegal seek - expected for FIFO
errno.EINVAL, # Invalid argument - expected for /dev/null
):
raise
return self
def unlock(self):
if not self.locked:
return
try:
_unlock_file(self.f)
finally:
self.locked = False
def __exit__(self, *_):
try:
self.unlock()
finally:
self.f.close()
open = __enter__
close = __exit__
def __getattr__(self, attr):
return getattr(self.f, attr)
def __iter__(self):
return iter(self.f)
@functools.cache
def get_filesystem_encoding():
encoding = sys.getfilesystemencoding()
return encoding if encoding is not None else 'utf-8'
def shell_quote(args):
quoted_args = []
encoding = get_filesystem_encoding()
for a in args:
if isinstance(a, bytes):
# We may get a filename encoded with 'encodeFilename'
a = a.decode(encoding)
quoted_args.append(compat_shlex_quote(a))
return ' '.join(quoted_args)
def smuggle_url(url, data):
""" Pass additional data in a URL for internal use. """
url, idata = unsmuggle_url(url, {})
data.update(idata)
sdata = urllib.parse.urlencode(
{'__youtubedl_smuggle': json.dumps(data)})
return url + '#' + sdata
def unsmuggle_url(smug_url, default=None):
if '#__youtubedl_smuggle' not in smug_url:
return smug_url, default
url, _, sdata = smug_url.rpartition('#')
jsond = urllib.parse.parse_qs(sdata)['__youtubedl_smuggle'][0]
data = json.loads(jsond)
return url, data
def format_decimal_suffix(num, fmt='%d%s', *, factor=1000):
""" Formats numbers with decimal sufixes like K, M, etc """
num, factor = float_or_none(num), float(factor)
if num is None or num < 0:
return None
POSSIBLE_SUFFIXES = 'kMGTPEZY'
exponent = 0 if num == 0 else min(int(math.log(num, factor)), len(POSSIBLE_SUFFIXES))
suffix = ['', *POSSIBLE_SUFFIXES][exponent]
if factor == 1024:
suffix = {'k': 'Ki', '': ''}.get(suffix, f'{suffix}i')
converted = num / (factor ** exponent)
return fmt % (converted, suffix)
def format_bytes(bytes):
return format_decimal_suffix(bytes, '%.2f%sB', factor=1024) or 'N/A'
def lookup_unit_table(unit_table, s):
units_re = '|'.join(re.escape(u) for u in unit_table)
m = re.match(
r'(?P<num>[0-9]+(?:[,.][0-9]*)?)\s*(?P<unit>%s)\b' % units_re, s)
if not m:
return None
num_str = m.group('num').replace(',', '.')
mult = unit_table[m.group('unit')]
return int(float(num_str) * mult)
def parse_filesize(s):
if s is None:
return None
# The lower-case forms are of course incorrect and unofficial,
# but we support those too
_UNIT_TABLE = {
'B': 1,
'b': 1,
'bytes': 1,
'KiB': 1024,
'KB': 1000,
'kB': 1024,
'Kb': 1000,
'kb': 1000,
'kilobytes': 1000,
'kibibytes': 1024,
'MiB': 1024 ** 2,
'MB': 1000 ** 2,
'mB': 1024 ** 2,
'Mb': 1000 ** 2,
'mb': 1000 ** 2,
'megabytes': 1000 ** 2,
'mebibytes': 1024 ** 2,
'GiB': 1024 ** 3,
'GB': 1000 ** 3,
'gB': 1024 ** 3,
'Gb': 1000 ** 3,
'gb': 1000 ** 3,
'gigabytes': 1000 ** 3,
'gibibytes': 1024 ** 3,
'TiB': 1024 ** 4,
'TB': 1000 ** 4,
'tB': 1024 ** 4,
'Tb': 1000 ** 4,
'tb': 1000 ** 4,
'terabytes': 1000 ** 4,
'tebibytes': 1024 ** 4,
'PiB': 1024 ** 5,
'PB': 1000 ** 5,
'pB': 1024 ** 5,
'Pb': 1000 ** 5,
'pb': 1000 ** 5,
'petabytes': 1000 ** 5,
'pebibytes': 1024 ** 5,
'EiB': 1024 ** 6,
'EB': 1000 ** 6,
'eB': 1024 ** 6,
'Eb': 1000 ** 6,
'eb': 1000 ** 6,
'exabytes': 1000 ** 6,
'exbibytes': 1024 ** 6,
'ZiB': 1024 ** 7,
'ZB': 1000 ** 7,
'zB': 1024 ** 7,
'Zb': 1000 ** 7,
'zb': 1000 ** 7,
'zettabytes': 1000 ** 7,
'zebibytes': 1024 ** 7,
'YiB': 1024 ** 8,
'YB': 1000 ** 8,
'yB': 1024 ** 8,
'Yb': 1000 ** 8,
'yb': 1000 ** 8,
'yottabytes': 1000 ** 8,
'yobibytes': 1024 ** 8,
}
return lookup_unit_table(_UNIT_TABLE, s)
def parse_count(s):
if s is None:
return None
s = re.sub(r'^[^\d]+\s', '', s).strip()
if re.match(r'^[\d,.]+$', s):
return str_to_int(s)
_UNIT_TABLE = {
'k': 1000,
'K': 1000,
'm': 1000 ** 2,
'M': 1000 ** 2,
'kk': 1000 ** 2,
'KK': 1000 ** 2,
'b': 1000 ** 3,
'B': 1000 ** 3,
}
ret = lookup_unit_table(_UNIT_TABLE, s)
if ret is not None:
return ret
mobj = re.match(r'([\d,.]+)(?:$|\s)', s)
if mobj:
return str_to_int(mobj.group(1))
def parse_resolution(s, *, lenient=False):
if s is None:
return {}
if lenient:
mobj = re.search(r'(?P<w>\d+)\s*[xX×,]\s*(?P<h>\d+)', s)
else:
mobj = re.search(r'(?<![a-zA-Z0-9])(?P<w>\d+)\s*[xX×,]\s*(?P<h>\d+)(?![a-zA-Z0-9])', s)
if mobj:
return {
'width': int(mobj.group('w')),
'height': int(mobj.group('h')),
}
mobj = re.search(r'(?<![a-zA-Z0-9])(\d+)[pPiI](?![a-zA-Z0-9])', s)
if mobj:
return {'height': int(mobj.group(1))}
mobj = re.search(r'\b([48])[kK]\b', s)
if mobj:
return {'height': int(mobj.group(1)) * 540}
return {}
def parse_bitrate(s):
if not isinstance(s, str):
return
mobj = re.search(r'\b(\d+)\s*kbps', s)
if mobj:
return int(mobj.group(1))
def month_by_name(name, lang='en'):
""" Return the number of a month by (locale-independently) English name """
month_names = MONTH_NAMES.get(lang, MONTH_NAMES['en'])
try:
return month_names.index(name) + 1
except ValueError:
return None
def month_by_abbreviation(abbrev):
""" Return the number of a month by (locale-independently) English
abbreviations """
try:
return [s[:3] for s in ENGLISH_MONTH_NAMES].index(abbrev) + 1
except ValueError:
return None
def fix_xml_ampersands(xml_str):
"""Replace all the '&' by '&amp;' in XML"""
return re.sub(
r'&(?!amp;|lt;|gt;|apos;|quot;|#x[0-9a-fA-F]{,4};|#[0-9]{,4};)',
'&amp;',
xml_str)
def setproctitle(title):
assert isinstance(title, str)
# ctypes in Jython is not complete
# http://bugs.jython.org/issue2148
if sys.platform.startswith('java'):
return
try:
libc = ctypes.cdll.LoadLibrary('libc.so.6')
except OSError:
return
except TypeError:
# LoadLibrary in Windows Python 2.7.13 only expects
# a bytestring, but since unicode_literals turns
# every string into a unicode string, it fails.
return
title_bytes = title.encode()
buf = ctypes.create_string_buffer(len(title_bytes))
buf.value = title_bytes
try:
libc.prctl(15, buf, 0, 0, 0)
except AttributeError:
return # Strange libc, just skip this
def remove_start(s, start):
return s[len(start):] if s is not None and s.startswith(start) else s
def remove_end(s, end):
return s[:-len(end)] if s is not None and s.endswith(end) else s
def remove_quotes(s):
if s is None or len(s) < 2:
return s
for quote in ('"', "'", ):
if s[0] == quote and s[-1] == quote:
return s[1:-1]
return s
def get_domain(url):
return '.'.join(urllib.parse.urlparse(url).netloc.rsplit('.', 2)[-2:])
def url_basename(url):
path = urllib.parse.urlparse(url).path
return path.strip('/').split('/')[-1]
def base_url(url):
return re.match(r'https?://[^?#&]+/', url).group()
def urljoin(base, path):
if isinstance(path, bytes):
path = path.decode()
if not isinstance(path, str) or not path:
return None
if re.match(r'^(?:[a-zA-Z][a-zA-Z0-9+-.]*:)?//', path):
return path
if isinstance(base, bytes):
base = base.decode()
if not isinstance(base, str) or not re.match(
r'^(?:https?:)?//', base):
return None
return urllib.parse.urljoin(base, path)
class HEADRequest(urllib.request.Request):
def get_method(self):
return 'HEAD'
class PUTRequest(urllib.request.Request):
def get_method(self):
return 'PUT'
def int_or_none(v, scale=1, default=None, get_attr=None, invscale=1):
if get_attr and v is not None:
v = getattr(v, get_attr, None)
try:
return int(v) * invscale // scale
except (ValueError, TypeError, OverflowError):
return default
def str_or_none(v, default=None):
return default if v is None else str(v)
def str_to_int(int_str):
""" A more relaxed version of int_or_none """
if isinstance(int_str, int):
return int_str
elif isinstance(int_str, str):
int_str = re.sub(r'[,\.\+]', '', int_str)
return int_or_none(int_str)
def float_or_none(v, scale=1, invscale=1, default=None):
if v is None:
return default
try:
return float(v) * invscale / scale
except (ValueError, TypeError):
return default
def bool_or_none(v, default=None):
return v if isinstance(v, bool) else default
def strip_or_none(v, default=None):
return v.strip() if isinstance(v, str) else default
def url_or_none(url):
if not url or not isinstance(url, str):
return None
url = url.strip()
return url if re.match(r'^(?:(?:https?|rt(?:m(?:pt?[es]?|fp)|sp[su]?)|mms|ftps?):)?//', url) else None
def request_to_url(req):
if isinstance(req, urllib.request.Request):
return req.get_full_url()
else:
return req
def strftime_or_none(timestamp, date_format, default=None):
datetime_object = None
try:
if isinstance(timestamp, (int, float)): # unix timestamp
datetime_object = datetime.datetime.utcfromtimestamp(timestamp)
elif isinstance(timestamp, str): # assume YYYYMMDD
datetime_object = datetime.datetime.strptime(timestamp, '%Y%m%d')
return datetime_object.strftime(date_format)
except (ValueError, TypeError, AttributeError):
return default
def parse_duration(s):
if not isinstance(s, str):
return None
s = s.strip()
if not s:
return None
days, hours, mins, secs, ms = [None] * 5
m = re.match(r'''(?x)
(?P<before_secs>
(?:(?:(?P<days>[0-9]+):)?(?P<hours>[0-9]+):)?(?P<mins>[0-9]+):)?
(?P<secs>(?(before_secs)[0-9]{1,2}|[0-9]+))
(?P<ms>[.:][0-9]+)?Z?$
''', s)
if m:
days, hours, mins, secs, ms = m.group('days', 'hours', 'mins', 'secs', 'ms')
else:
m = re.match(
r'''(?ix)(?:P?
(?:
[0-9]+\s*y(?:ears?)?,?\s*
)?
(?:
[0-9]+\s*m(?:onths?)?,?\s*
)?
(?:
[0-9]+\s*w(?:eeks?)?,?\s*
)?
(?:
(?P<days>[0-9]+)\s*d(?:ays?)?,?\s*
)?
T)?
(?:
(?P<hours>[0-9]+)\s*h(?:ours?)?,?\s*
)?
(?:
(?P<mins>[0-9]+)\s*m(?:in(?:ute)?s?)?,?\s*
)?
(?:
(?P<secs>[0-9]+)(?P<ms>\.[0-9]+)?\s*s(?:ec(?:ond)?s?)?\s*
)?Z?$''', s)
if m:
days, hours, mins, secs, ms = m.groups()
else:
m = re.match(r'(?i)(?:(?P<hours>[0-9.]+)\s*(?:hours?)|(?P<mins>[0-9.]+)\s*(?:mins?\.?|minutes?)\s*)Z?$', s)
if m:
hours, mins = m.groups()
else:
return None
if ms:
ms = ms.replace(':', '.')
return sum(float(part or 0) * mult for part, mult in (
(days, 86400), (hours, 3600), (mins, 60), (secs, 1), (ms, 1)))
def prepend_extension(filename, ext, expected_real_ext=None):
name, real_ext = os.path.splitext(filename)
return (
f'{name}.{ext}{real_ext}'
if not expected_real_ext or real_ext[1:] == expected_real_ext
else f'{filename}.{ext}')
def replace_extension(filename, ext, expected_real_ext=None):
name, real_ext = os.path.splitext(filename)
return '{}.{}'.format(
name if not expected_real_ext or real_ext[1:] == expected_real_ext else filename,
ext)
def check_executable(exe, args=[]):
""" Checks if the given binary is installed somewhere in PATH, and returns its name.
args can be a list of arguments for a short output (like -version) """
try:
Popen.run([exe] + args, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
except OSError:
return False
return exe
def _get_exe_version_output(exe, args, *, to_screen=None):
if to_screen:
to_screen(f'Checking exe version: {shell_quote([exe] + args)}')
try:
# STDIN should be redirected too. On UNIX-like systems, ffmpeg triggers
# SIGTTOU if yt-dlp is run in the background.
# See https://github.com/ytdl-org/youtube-dl/issues/955#issuecomment-209789656
stdout, _, _ = Popen.run([encodeArgument(exe)] + args, text=True,
stdin=subprocess.PIPE, stdout=subprocess.PIPE, stderr=subprocess.STDOUT)
except OSError:
return False
return stdout
def detect_exe_version(output, version_re=None, unrecognized='present'):
assert isinstance(output, str)
if version_re is None:
version_re = r'version\s+([-0-9._a-zA-Z]+)'
m = re.search(version_re, output)
if m:
return m.group(1)
else:
return unrecognized
def get_exe_version(exe, args=['--version'],
version_re=None, unrecognized='present'):
""" Returns the version of the specified executable,
or False if the executable is not present """
out = _get_exe_version_output(exe, args)
return detect_exe_version(out, version_re, unrecognized) if out else False
def frange(start=0, stop=None, step=1):
"""Float range"""
if stop is None:
start, stop = 0, start
sign = [-1, 1][step > 0] if step else 0
while sign * start < sign * stop:
yield start
start += step
class LazyList(collections.abc.Sequence):
"""Lazy immutable list from an iterable
Note that slices of a LazyList are lists and not LazyList"""
class IndexError(IndexError):
pass
def __init__(self, iterable, *, reverse=False, _cache=None):
self._iterable = iter(iterable)
self._cache = [] if _cache is None else _cache
self._reversed = reverse
def __iter__(self):
if self._reversed:
# We need to consume the entire iterable to iterate in reverse
yield from self.exhaust()
return
yield from self._cache
for item in self._iterable:
self._cache.append(item)
yield item
def _exhaust(self):
self._cache.extend(self._iterable)
self._iterable = [] # Discard the emptied iterable to make it pickle-able
return self._cache
def exhaust(self):
"""Evaluate the entire iterable"""
return self._exhaust()[::-1 if self._reversed else 1]
@staticmethod
def _reverse_index(x):
return None if x is None else ~x
def __getitem__(self, idx):
if isinstance(idx, slice):
if self._reversed:
idx = slice(self._reverse_index(idx.start), self._reverse_index(idx.stop), -(idx.step or 1))
start, stop, step = idx.start, idx.stop, idx.step or 1
elif isinstance(idx, int):
if self._reversed:
idx = self._reverse_index(idx)
start, stop, step = idx, idx, 0
else:
raise TypeError('indices must be integers or slices')
if ((start or 0) < 0 or (stop or 0) < 0
or (start is None and step < 0)
or (stop is None and step > 0)):
# We need to consume the entire iterable to be able to slice from the end
# Obviously, never use this with infinite iterables
self._exhaust()
try:
return self._cache[idx]
except IndexError as e:
raise self.IndexError(e) from e
n = max(start or 0, stop or 0) - len(self._cache) + 1
if n > 0:
self._cache.extend(itertools.islice(self._iterable, n))
try:
return self._cache[idx]
except IndexError as e:
raise self.IndexError(e) from e
def __bool__(self):
try:
self[-1] if self._reversed else self[0]
except self.IndexError:
return False
return True
def __len__(self):
self._exhaust()
return len(self._cache)
def __reversed__(self):
return type(self)(self._iterable, reverse=not self._reversed, _cache=self._cache)
def __copy__(self):
return type(self)(self._iterable, reverse=self._reversed, _cache=self._cache)
def __repr__(self):
# repr and str should mimic a list. So we exhaust the iterable
return repr(self.exhaust())
def __str__(self):
return repr(self.exhaust())
class PagedList:
class IndexError(IndexError):
pass
def __len__(self):
# This is only useful for tests
return len(self.getslice())
def __init__(self, pagefunc, pagesize, use_cache=True):
self._pagefunc = pagefunc
self._pagesize = pagesize
self._pagecount = float('inf')
self._use_cache = use_cache
self._cache = {}
def getpage(self, pagenum):
page_results = self._cache.get(pagenum)
if page_results is None:
page_results = [] if pagenum > self._pagecount else list(self._pagefunc(pagenum))
if self._use_cache:
self._cache[pagenum] = page_results
return page_results
def getslice(self, start=0, end=None):
return list(self._getslice(start, end))
def _getslice(self, start, end):
raise NotImplementedError('This method must be implemented by subclasses')
def __getitem__(self, idx):
assert self._use_cache, 'Indexing PagedList requires cache'
if not isinstance(idx, int) or idx < 0:
raise TypeError('indices must be non-negative integers')
entries = self.getslice(idx, idx + 1)
if not entries:
raise self.IndexError()
return entries[0]
class OnDemandPagedList(PagedList):
"""Download pages until a page with less than maximum results"""
def _getslice(self, start, end):
for pagenum in itertools.count(start // self._pagesize):
firstid = pagenum * self._pagesize
nextfirstid = pagenum * self._pagesize + self._pagesize
if start >= nextfirstid:
continue
startv = (
start % self._pagesize
if firstid <= start < nextfirstid
else 0)
endv = (
((end - 1) % self._pagesize) + 1
if (end is not None and firstid <= end <= nextfirstid)
else None)
try:
page_results = self.getpage(pagenum)
except Exception:
self._pagecount = pagenum - 1
raise
if startv != 0 or endv is not None:
page_results = page_results[startv:endv]
yield from page_results
# A little optimization - if current page is not "full", ie. does
# not contain page_size videos then we can assume that this page
# is the last one - there are no more ids on further pages -
# i.e. no need to query again.
if len(page_results) + startv < self._pagesize:
break
# If we got the whole page, but the next page is not interesting,
# break out early as well
if end == nextfirstid:
break
class InAdvancePagedList(PagedList):
"""PagedList with total number of pages known in advance"""
def __init__(self, pagefunc, pagecount, pagesize):
PagedList.__init__(self, pagefunc, pagesize, True)
self._pagecount = pagecount
def _getslice(self, start, end):
start_page = start // self._pagesize
end_page = self._pagecount if end is None else min(self._pagecount, end // self._pagesize + 1)
skip_elems = start - start_page * self._pagesize
only_more = None if end is None else end - start
for pagenum in range(start_page, end_page):
page_results = self.getpage(pagenum)
if skip_elems:
page_results = page_results[skip_elems:]
skip_elems = None
if only_more is not None:
if len(page_results) < only_more:
only_more -= len(page_results)
else:
yield from page_results[:only_more]
break
yield from page_results
class PlaylistEntries:
MissingEntry = object()
is_exhausted = False
def __init__(self, ydl, info_dict):
self.ydl = ydl
# _entries must be assigned now since infodict can change during iteration
entries = info_dict.get('entries')
if entries is None:
raise EntryNotInPlaylist('There are no entries')
elif isinstance(entries, list):
self.is_exhausted = True
requested_entries = info_dict.get('requested_entries')
self.is_incomplete = bool(requested_entries)
if self.is_incomplete:
assert self.is_exhausted
self._entries = [self.MissingEntry] * max(requested_entries)
for i, entry in zip(requested_entries, entries):
self._entries[i - 1] = entry
elif isinstance(entries, (list, PagedList, LazyList)):
self._entries = entries
else:
self._entries = LazyList(entries)
PLAYLIST_ITEMS_RE = re.compile(r'''(?x)
(?P<start>[+-]?\d+)?
(?P<range>[:-]
(?P<end>[+-]?\d+|inf(?:inite)?)?
(?::(?P<step>[+-]?\d+))?
)?''')
@classmethod
def parse_playlist_items(cls, string):
for segment in string.split(','):
if not segment:
raise ValueError('There is two or more consecutive commas')
mobj = cls.PLAYLIST_ITEMS_RE.fullmatch(segment)
if not mobj:
raise ValueError(f'{segment!r} is not a valid specification')
start, end, step, has_range = mobj.group('start', 'end', 'step', 'range')
if int_or_none(step) == 0:
raise ValueError(f'Step in {segment!r} cannot be zero')
yield slice(int_or_none(start), float_or_none(end), int_or_none(step)) if has_range else int(start)
def get_requested_items(self):
playlist_items = self.ydl.params.get('playlist_items')
playlist_start = self.ydl.params.get('playliststart', 1)
playlist_end = self.ydl.params.get('playlistend')
# For backwards compatibility, interpret -1 as whole list
if playlist_end in (-1, None):
playlist_end = ''
if not playlist_items:
playlist_items = f'{playlist_start}:{playlist_end}'
elif playlist_start != 1 or playlist_end:
self.ydl.report_warning('Ignoring playliststart and playlistend because playlistitems was given', only_once=True)
for index in self.parse_playlist_items(playlist_items):
for i, entry in self[index]:
yield i, entry
if not entry:
continue
try:
# TODO: Add auto-generated fields
self.ydl._match_entry(entry, incomplete=True, silent=True)
except (ExistingVideoReached, RejectedVideoReached):
return
def get_full_count(self):
if self.is_exhausted and not self.is_incomplete:
return len(self)
elif isinstance(self._entries, InAdvancePagedList):
if self._entries._pagesize == 1:
return self._entries._pagecount
@functools.cached_property
def _getter(self):
if isinstance(self._entries, list):
def get_entry(i):
try:
entry = self._entries[i]
except IndexError:
entry = self.MissingEntry
if not self.is_incomplete:
raise self.IndexError()
if entry is self.MissingEntry:
raise EntryNotInPlaylist(f'Entry {i} cannot be found')
return entry
else:
def get_entry(i):
try:
return type(self.ydl)._handle_extraction_exceptions(lambda _, i: self._entries[i])(self.ydl, i)
except (LazyList.IndexError, PagedList.IndexError):
raise self.IndexError()
return get_entry
def __getitem__(self, idx):
if isinstance(idx, int):
idx = slice(idx, idx)
# NB: PlaylistEntries[1:10] => (0, 1, ... 9)
step = 1 if idx.step is None else idx.step
if idx.start is None:
start = 0 if step > 0 else len(self) - 1
else:
start = idx.start - 1 if idx.start >= 0 else len(self) + idx.start
# NB: Do not call len(self) when idx == [:]
if idx.stop is None:
stop = 0 if step < 0 else float('inf')
else:
stop = idx.stop - 1 if idx.stop >= 0 else len(self) + idx.stop
stop += [-1, 1][step > 0]
for i in frange(start, stop, step):
if i < 0:
continue
try:
entry = self._getter(i)
except self.IndexError:
self.is_exhausted = True
if step > 0:
break
continue
yield i + 1, entry
def __len__(self):
return len(tuple(self[:]))
class IndexError(IndexError):
pass
def uppercase_escape(s):
unicode_escape = codecs.getdecoder('unicode_escape')
return re.sub(
r'\\U[0-9a-fA-F]{8}',
lambda m: unicode_escape(m.group(0))[0],
s)
def lowercase_escape(s):
unicode_escape = codecs.getdecoder('unicode_escape')
return re.sub(
r'\\u[0-9a-fA-F]{4}',
lambda m: unicode_escape(m.group(0))[0],
s)
def escape_rfc3986(s):
"""Escape non-ASCII characters as suggested by RFC 3986"""
return urllib.parse.quote(s, b"%/;:@&=+$,!~*'()?#[]")
def escape_url(url):
"""Escape URL as suggested by RFC 3986"""
url_parsed = urllib.parse.urlparse(url)
return url_parsed._replace(
netloc=url_parsed.netloc.encode('idna').decode('ascii'),
path=escape_rfc3986(url_parsed.path),
params=escape_rfc3986(url_parsed.params),
query=escape_rfc3986(url_parsed.query),
fragment=escape_rfc3986(url_parsed.fragment)
).geturl()
def parse_qs(url):
return urllib.parse.parse_qs(urllib.parse.urlparse(url).query)
def read_batch_urls(batch_fd):
def fixup(url):
if not isinstance(url, str):
url = url.decode('utf-8', 'replace')
BOM_UTF8 = ('\xef\xbb\xbf', '\ufeff')
for bom in BOM_UTF8:
if url.startswith(bom):
url = url[len(bom):]
url = url.lstrip()
if not url or url.startswith(('#', ';', ']')):
return False
# "#" cannot be stripped out since it is part of the URI
# However, it can be safely stripped out if following a whitespace
return re.split(r'\s#', url, 1)[0].rstrip()
with contextlib.closing(batch_fd) as fd:
return [url for url in map(fixup, fd) if url]
def urlencode_postdata(*args, **kargs):
return urllib.parse.urlencode(*args, **kargs).encode('ascii')
def update_url_query(url, query):
if not query:
return url
parsed_url = urllib.parse.urlparse(url)
qs = urllib.parse.parse_qs(parsed_url.query)
qs.update(query)
return urllib.parse.urlunparse(parsed_url._replace(
query=urllib.parse.urlencode(qs, True)))
def update_Request(req, url=None, data=None, headers=None, query=None):
req_headers = req.headers.copy()
req_headers.update(headers or {})
req_data = data or req.data
req_url = update_url_query(url or req.get_full_url(), query)
req_get_method = req.get_method()
if req_get_method == 'HEAD':
req_type = HEADRequest
elif req_get_method == 'PUT':
req_type = PUTRequest
else:
req_type = urllib.request.Request
new_req = req_type(
req_url, data=req_data, headers=req_headers,
origin_req_host=req.origin_req_host, unverifiable=req.unverifiable)
if hasattr(req, 'timeout'):
new_req.timeout = req.timeout
return new_req
def _multipart_encode_impl(data, boundary):
content_type = 'multipart/form-data; boundary=%s' % boundary
out = b''
for k, v in data.items():
out += b'--' + boundary.encode('ascii') + b'\r\n'
if isinstance(k, str):
k = k.encode()
if isinstance(v, str):
v = v.encode()
# RFC 2047 requires non-ASCII field names to be encoded, while RFC 7578
# suggests sending UTF-8 directly. Firefox sends UTF-8, too
content = b'Content-Disposition: form-data; name="' + k + b'"\r\n\r\n' + v + b'\r\n'
if boundary.encode('ascii') in content:
raise ValueError('Boundary overlaps with data')
out += content
out += b'--' + boundary.encode('ascii') + b'--\r\n'
return out, content_type
def multipart_encode(data, boundary=None):
'''
Encode a dict to RFC 7578-compliant form-data
data:
A dict where keys and values can be either Unicode or bytes-like
objects.
boundary:
If specified a Unicode object, it's used as the boundary. Otherwise
a random boundary is generated.
Reference: https://tools.ietf.org/html/rfc7578
'''
has_specified_boundary = boundary is not None
while True:
if boundary is None:
boundary = '---------------' + str(random.randrange(0x0fffffff, 0xffffffff))
try:
out, content_type = _multipart_encode_impl(data, boundary)
break
except ValueError:
if has_specified_boundary:
raise
boundary = None
return out, content_type
def dict_get(d, key_or_keys, default=None, skip_false_values=True):
for val in map(d.get, variadic(key_or_keys)):
if val is not None and (val or not skip_false_values):
return val
return default
def try_call(*funcs, expected_type=None, args=[], kwargs={}):
for f in funcs:
try:
val = f(*args, **kwargs)
except (AttributeError, KeyError, TypeError, IndexError, ZeroDivisionError):
pass
else:
if expected_type is None or isinstance(val, expected_type):
return val
def try_get(src, getter, expected_type=None):
return try_call(*variadic(getter), args=(src,), expected_type=expected_type)
def filter_dict(dct, cndn=lambda _, v: v is not None):
return {k: v for k, v in dct.items() if cndn(k, v)}
def merge_dicts(*dicts):
merged = {}
for a_dict in dicts:
for k, v in a_dict.items():
if (v is not None and k not in merged
or isinstance(v, str) and merged[k] == ''):
merged[k] = v
return merged
def encode_compat_str(string, encoding=preferredencoding(), errors='strict'):
return string if isinstance(string, str) else str(string, encoding, errors)
US_RATINGS = {
'G': 0,
'PG': 10,
'PG-13': 13,
'R': 16,
'NC': 18,
}
TV_PARENTAL_GUIDELINES = {
'TV-Y': 0,
'TV-Y7': 7,
'TV-G': 0,
'TV-PG': 0,
'TV-14': 14,
'TV-MA': 17,
}
def parse_age_limit(s):
# isinstance(False, int) is True. So type() must be used instead
if type(s) is int: # noqa: E721
return s if 0 <= s <= 21 else None
elif not isinstance(s, str):
return None
m = re.match(r'^(?P<age>\d{1,2})\+?$', s)
if m:
return int(m.group('age'))
s = s.upper()
if s in US_RATINGS:
return US_RATINGS[s]
m = re.match(r'^TV[_-]?(%s)$' % '|'.join(k[3:] for k in TV_PARENTAL_GUIDELINES), s)
if m:
return TV_PARENTAL_GUIDELINES['TV-' + m.group(1)]
return None
def strip_jsonp(code):
return re.sub(
r'''(?sx)^
(?:window\.)?(?P<func_name>[a-zA-Z0-9_.$]*)
(?:\s*&&\s*(?P=func_name))?
\s*\(\s*(?P<callback_data>.*)\);?
\s*?(?://[^\n]*)*$''',
r'\g<callback_data>', code)
def js_to_json(code, vars={}):
# vars is a dict of var, val pairs to substitute
COMMENT_RE = r'/\*(?:(?!\*/).)*?\*/|//[^\n]*\n'
SKIP_RE = fr'\s*(?:{COMMENT_RE})?\s*'
INTEGER_TABLE = (
(fr'(?s)^(0[xX][0-9a-fA-F]+){SKIP_RE}:?$', 16),
(fr'(?s)^(0+[0-7]+){SKIP_RE}:?$', 8),
)
def fix_kv(m):
v = m.group(0)
if v in ('true', 'false', 'null'):
return v
elif v in ('undefined', 'void 0'):
return 'null'
elif v.startswith('/*') or v.startswith('//') or v.startswith('!') or v == ',':
return ""
if v[0] in ("'", '"'):
v = re.sub(r'(?s)\\.|"', lambda m: {
'"': '\\"',
"\\'": "'",
'\\\n': '',
'\\x': '\\u00',
}.get(m.group(0), m.group(0)), v[1:-1])
else:
for regex, base in INTEGER_TABLE:
im = re.match(regex, v)
if im:
i = int(im.group(1), base)
return '"%d":' % i if v.endswith(':') else '%d' % i
if v in vars:
return vars[v]
return '"%s"' % v
def create_map(mobj):
return json.dumps(dict(json.loads(js_to_json(mobj.group(1) or '[]', vars=vars))))
code = re.sub(r'new Date\((".+")\)', r'\g<1>', code)
code = re.sub(r'new Map\((\[.*?\])?\)', create_map, code)
return re.sub(r'''(?sx)
"(?:[^"\\]*(?:\\\\|\\['"nurtbfx/\n]))*[^"\\]*"|
'(?:[^'\\]*(?:\\\\|\\['"nurtbfx/\n]))*[^'\\]*'|
{comment}|,(?={skip}[\]}}])|
void\s0|(?:(?<![0-9])[eE]|[a-df-zA-DF-Z_$])[.a-zA-Z_$0-9]*|
\b(?:0[xX][0-9a-fA-F]+|0+[0-7]+)(?:{skip}:)?|
[0-9]+(?={skip}:)|
!+
'''.format(comment=COMMENT_RE, skip=SKIP_RE), fix_kv, code)
def qualities(quality_ids):
""" Get a numeric quality value out of a list of possible values """
def q(qid):
try:
return quality_ids.index(qid)
except ValueError:
return -1
return q
POSTPROCESS_WHEN = ('pre_process', 'after_filter', 'before_dl', 'post_process', 'after_move', 'after_video', 'playlist')
DEFAULT_OUTTMPL = {
'default': '%(title)s [%(id)s].%(ext)s',
'chapter': '%(title)s - %(section_number)03d %(section_title)s [%(id)s].%(ext)s',
}
OUTTMPL_TYPES = {
'chapter': None,
'subtitle': None,
'thumbnail': None,
'description': 'description',
'annotation': 'annotations.xml',
'infojson': 'info.json',
'link': None,
'pl_video': None,
'pl_thumbnail': None,
'pl_description': 'description',
'pl_infojson': 'info.json',
}
# As of [1] format syntax is:
# %[mapping_key][conversion_flags][minimum_width][.precision][length_modifier]type
# 1. https://docs.python.org/2/library/stdtypes.html#string-formatting
STR_FORMAT_RE_TMPL = r'''(?x)
(?<!%)(?P<prefix>(?:%%)*)
%
(?P<has_key>\((?P<key>{0})\))?
(?P<format>
(?P<conversion>[#0\-+ ]+)?
(?P<min_width>\d+)?
(?P<precision>\.\d+)?
(?P<len_mod>[hlL])? # unused in python
{1} # conversion type
)
'''
STR_FORMAT_TYPES = 'diouxXeEfFgGcrs'
def limit_length(s, length):
""" Add ellipses to overly long strings """
if s is None:
return None
ELLIPSES = '...'
if len(s) > length:
return s[:length - len(ELLIPSES)] + ELLIPSES
return s
def version_tuple(v):
return tuple(int(e) for e in re.split(r'[-.]', v))
def is_outdated_version(version, limit, assume_new=True):
if not version:
return not assume_new
try:
return version_tuple(version) < version_tuple(limit)
except ValueError:
return not assume_new
def ytdl_is_updateable():
""" Returns if yt-dlp can be updated with -U """
from .update import is_non_updateable
return not is_non_updateable()
def args_to_str(args):
# Get a short string representation for a subprocess command
return ' '.join(compat_shlex_quote(a) for a in args)
def error_to_compat_str(err):
return str(err)
def error_to_str(err):
return f'{type(err).__name__}: {err}'
def mimetype2ext(mt):
if mt is None:
return None
mt, _, params = mt.partition(';')
mt = mt.strip()
FULL_MAP = {
'audio/mp4': 'm4a',
# Per RFC 3003, audio/mpeg can be .mp1, .mp2 or .mp3. Here use .mp3 as
# it's the most popular one
'audio/mpeg': 'mp3',
'audio/x-wav': 'wav',
'audio/wav': 'wav',
'audio/wave': 'wav',
}
ext = FULL_MAP.get(mt)
if ext is not None:
return ext
SUBTYPE_MAP = {
'3gpp': '3gp',
'smptett+xml': 'tt',
'ttaf+xml': 'dfxp',
'ttml+xml': 'ttml',
'x-flv': 'flv',
'x-mp4-fragmented': 'mp4',
'x-ms-sami': 'sami',
'x-ms-wmv': 'wmv',
'mpegurl': 'm3u8',
'x-mpegurl': 'm3u8',
'vnd.apple.mpegurl': 'm3u8',
'dash+xml': 'mpd',
'f4m+xml': 'f4m',
'hds+xml': 'f4m',
'vnd.ms-sstr+xml': 'ism',
'quicktime': 'mov',
'mp2t': 'ts',
'x-wav': 'wav',
'filmstrip+json': 'fs',
'svg+xml': 'svg',
}
_, _, subtype = mt.rpartition('/')
ext = SUBTYPE_MAP.get(subtype.lower())
if ext is not None:
return ext
SUFFIX_MAP = {
'json': 'json',
'xml': 'xml',
'zip': 'zip',
'gzip': 'gz',
}
_, _, suffix = subtype.partition('+')
ext = SUFFIX_MAP.get(suffix)
if ext is not None:
return ext
return subtype.replace('+', '.')
def ext2mimetype(ext_or_url):
if not ext_or_url:
return None
if '.' not in ext_or_url:
ext_or_url = f'file.{ext_or_url}'
return mimetypes.guess_type(ext_or_url)[0]
def parse_codecs(codecs_str):
# http://tools.ietf.org/html/rfc6381
if not codecs_str:
return {}
split_codecs = list(filter(None, map(
str.strip, codecs_str.strip().strip(',').split(','))))
vcodec, acodec, scodec, hdr = None, None, None, None
for full_codec in split_codecs:
parts = full_codec.split('.')
codec = parts[0].replace('0', '')
if codec in ('avc1', 'avc2', 'avc3', 'avc4', 'vp9', 'vp8', 'hev1', 'hev2',
'h263', 'h264', 'mp4v', 'hvc1', 'av1', 'theora', 'dvh1', 'dvhe'):
if not vcodec:
vcodec = '.'.join(parts[:4]) if codec in ('vp9', 'av1', 'hvc1') else full_codec
if codec in ('dvh1', 'dvhe'):
hdr = 'DV'
elif codec == 'av1' and len(parts) > 3 and parts[3] == '10':
hdr = 'HDR10'
elif full_codec.replace('0', '').startswith('vp9.2'):
hdr = 'HDR10'
elif codec in ('flac', 'mp4a', 'opus', 'vorbis', 'mp3', 'aac', 'ac-3', 'ec-3', 'eac3', 'dtsc', 'dtse', 'dtsh', 'dtsl'):
if not acodec:
acodec = full_codec
elif codec in ('stpp', 'wvtt',):
if not scodec:
scodec = full_codec
else:
write_string(f'WARNING: Unknown codec {full_codec}\n')
if vcodec or acodec or scodec:
return {
'vcodec': vcodec or 'none',
'acodec': acodec or 'none',
'dynamic_range': hdr,
**({'scodec': scodec} if scodec is not None else {}),
}
elif len(split_codecs) == 2:
return {
'vcodec': split_codecs[0],
'acodec': split_codecs[1],
}
return {}
def urlhandle_detect_ext(url_handle):
getheader = url_handle.headers.get
cd = getheader('Content-Disposition')
if cd:
m = re.match(r'attachment;\s*filename="(?P<filename>[^"]+)"', cd)
if m:
e = determine_ext(m.group('filename'), default_ext=None)
if e:
return e
return mimetype2ext(getheader('Content-Type'))
def encode_data_uri(data, mime_type):
return 'data:%s;base64,%s' % (mime_type, base64.b64encode(data).decode('ascii'))
def age_restricted(content_limit, age_limit):
""" Returns True iff the content should be blocked """
if age_limit is None: # No limit set
return False
if content_limit is None:
return False # Content available for everyone
return age_limit < content_limit
def is_html(first_bytes):
""" Detect whether a file contains HTML by examining its first bytes. """
BOMS = [
(b'\xef\xbb\xbf', 'utf-8'),
(b'\x00\x00\xfe\xff', 'utf-32-be'),
(b'\xff\xfe\x00\x00', 'utf-32-le'),
(b'\xff\xfe', 'utf-16-le'),
(b'\xfe\xff', 'utf-16-be'),
]
encoding = 'utf-8'
for bom, enc in BOMS:
while first_bytes.startswith(bom):
encoding, first_bytes = enc, first_bytes[len(bom):]
return re.match(r'^\s*<', first_bytes.decode(encoding, 'replace'))
def determine_protocol(info_dict):
protocol = info_dict.get('protocol')
if protocol is not None:
return protocol
url = sanitize_url(info_dict['url'])
if url.startswith('rtmp'):
return 'rtmp'
elif url.startswith('mms'):
return 'mms'
elif url.startswith('rtsp'):
return 'rtsp'
ext = determine_ext(url)
if ext == 'm3u8':
return 'm3u8'
elif ext == 'f4m':
return 'f4m'
return urllib.parse.urlparse(url).scheme
def render_table(header_row, data, delim=False, extra_gap=0, hide_empty=False):
""" Render a list of rows, each as a list of values.
Text after a \t will be right aligned """
def width(string):
return len(remove_terminal_sequences(string).replace('\t', ''))
def get_max_lens(table):
return [max(width(str(v)) for v in col) for col in zip(*table)]
def filter_using_list(row, filterArray):
return [col for take, col in itertools.zip_longest(filterArray, row, fillvalue=True) if take]
max_lens = get_max_lens(data) if hide_empty else []
header_row = filter_using_list(header_row, max_lens)
data = [filter_using_list(row, max_lens) for row in data]
table = [header_row] + data
max_lens = get_max_lens(table)
extra_gap += 1
if delim:
table = [header_row, [delim * (ml + extra_gap) for ml in max_lens]] + data
table[1][-1] = table[1][-1][:-extra_gap * len(delim)] # Remove extra_gap from end of delimiter
for row in table:
for pos, text in enumerate(map(str, row)):
if '\t' in text:
row[pos] = text.replace('\t', ' ' * (max_lens[pos] - width(text))) + ' ' * extra_gap
else:
row[pos] = text + ' ' * (max_lens[pos] - width(text) + extra_gap)
ret = '\n'.join(''.join(row).rstrip() for row in table)
return ret
def _match_one(filter_part, dct, incomplete):
# TODO: Generalize code with YoutubeDL._build_format_filter
STRING_OPERATORS = {
'*=': operator.contains,
'^=': lambda attr, value: attr.startswith(value),
'$=': lambda attr, value: attr.endswith(value),
'~=': lambda attr, value: re.search(value, attr),
}
COMPARISON_OPERATORS = {
**STRING_OPERATORS,
'<=': operator.le, # "<=" must be defined above "<"
'<': operator.lt,
'>=': operator.ge,
'>': operator.gt,
'=': operator.eq,
}
if isinstance(incomplete, bool):
is_incomplete = lambda _: incomplete
else:
is_incomplete = lambda k: k in incomplete
operator_rex = re.compile(r'''(?x)
(?P<key>[a-z_]+)
\s*(?P<negation>!\s*)?(?P<op>%s)(?P<none_inclusive>\s*\?)?\s*
(?:
(?P<quote>["\'])(?P<quotedstrval>.+?)(?P=quote)|
(?P<strval>.+?)
)
''' % '|'.join(map(re.escape, COMPARISON_OPERATORS.keys())))
m = operator_rex.fullmatch(filter_part.strip())
if m:
m = m.groupdict()
unnegated_op = COMPARISON_OPERATORS[m['op']]
if m['negation']:
op = lambda attr, value: not unnegated_op(attr, value)
else:
op = unnegated_op
comparison_value = m['quotedstrval'] or m['strval'] or m['intval']
if m['quote']:
comparison_value = comparison_value.replace(r'\%s' % m['quote'], m['quote'])
actual_value = dct.get(m['key'])
numeric_comparison = None
if isinstance(actual_value, (int, float)):
# If the original field is a string and matching comparisonvalue is
# a number we should respect the origin of the original field
# and process comparison value as a string (see
# https://github.com/ytdl-org/youtube-dl/issues/11082)
try:
numeric_comparison = int(comparison_value)
except ValueError:
numeric_comparison = parse_filesize(comparison_value)
if numeric_comparison is None:
numeric_comparison = parse_filesize(f'{comparison_value}B')
if numeric_comparison is None:
numeric_comparison = parse_duration(comparison_value)
if numeric_comparison is not None and m['op'] in STRING_OPERATORS:
raise ValueError('Operator %s only supports string values!' % m['op'])
if actual_value is None:
return is_incomplete(m['key']) or m['none_inclusive']
return op(actual_value, comparison_value if numeric_comparison is None else numeric_comparison)
UNARY_OPERATORS = {
'': lambda v: (v is True) if isinstance(v, bool) else (v is not None),
'!': lambda v: (v is False) if isinstance(v, bool) else (v is None),
}
operator_rex = re.compile(r'''(?x)
(?P<op>%s)\s*(?P<key>[a-z_]+)
''' % '|'.join(map(re.escape, UNARY_OPERATORS.keys())))
m = operator_rex.fullmatch(filter_part.strip())
if m:
op = UNARY_OPERATORS[m.group('op')]
actual_value = dct.get(m.group('key'))
if is_incomplete(m.group('key')) and actual_value is None:
return True
return op(actual_value)
raise ValueError('Invalid filter part %r' % filter_part)
def match_str(filter_str, dct, incomplete=False):
""" Filter a dictionary with a simple string syntax.
@returns Whether the filter passes
@param incomplete Set of keys that is expected to be missing from dct.
Can be True/False to indicate all/none of the keys may be missing.
All conditions on incomplete keys pass if the key is missing
"""
return all(
_match_one(filter_part.replace(r'\&', '&'), dct, incomplete)
for filter_part in re.split(r'(?<!\\)&', filter_str))
def match_filter_func(filters):
if not filters:
return None
filters = set(variadic(filters))
interactive = '-' in filters
if interactive:
filters.remove('-')
def _match_func(info_dict, incomplete=False):
if not filters or any(match_str(f, info_dict, incomplete) for f in filters):
return NO_DEFAULT if interactive and not incomplete else None
else:
video_title = info_dict.get('title') or info_dict.get('id') or 'video'
filter_str = ') | ('.join(map(str.strip, filters))
return f'{video_title} does not pass filter ({filter_str}), skipping ..'
return _match_func
class download_range_func:
def __init__(self, chapters, ranges):
self.chapters, self.ranges = chapters, ranges
def __call__(self, info_dict, ydl):
warning = ('There are no chapters matching the regex' if info_dict.get('chapters')
else 'Cannot match chapters since chapter information is unavailable')
for regex in self.chapters or []:
for i, chapter in enumerate(info_dict.get('chapters') or []):
if re.search(regex, chapter['title']):
warning = None
yield {**chapter, 'index': i}
if self.chapters and warning:
ydl.to_screen(f'[info] {info_dict["id"]}: {warning}')
yield from ({'start_time': start, 'end_time': end} for start, end in self.ranges or [])
def __eq__(self, other):
return (isinstance(other, download_range_func)
and self.chapters == other.chapters and self.ranges == other.ranges)
def parse_dfxp_time_expr(time_expr):
if not time_expr:
return
mobj = re.match(rf'^(?P<time_offset>{NUMBER_RE})s?$', time_expr)
if mobj:
return float(mobj.group('time_offset'))
mobj = re.match(r'^(\d+):(\d\d):(\d\d(?:(?:\.|:)\d+)?)$', time_expr)
if mobj:
return 3600 * int(mobj.group(1)) + 60 * int(mobj.group(2)) + float(mobj.group(3).replace(':', '.'))
def srt_subtitles_timecode(seconds):
return '%02d:%02d:%02d,%03d' % timetuple_from_msec(seconds * 1000)
def ass_subtitles_timecode(seconds):
time = timetuple_from_msec(seconds * 1000)
return '%01d:%02d:%02d.%02d' % (*time[:-1], time.milliseconds / 10)
def dfxp2srt(dfxp_data):
'''
@param dfxp_data A bytes-like object containing DFXP data
@returns A unicode object containing converted SRT data
'''
LEGACY_NAMESPACES = (
(b'http://www.w3.org/ns/ttml', [
b'http://www.w3.org/2004/11/ttaf1',
b'http://www.w3.org/2006/04/ttaf1',
b'http://www.w3.org/2006/10/ttaf1',
]),
(b'http://www.w3.org/ns/ttml#styling', [
b'http://www.w3.org/ns/ttml#style',
]),
)
SUPPORTED_STYLING = [
'color',
'fontFamily',
'fontSize',
'fontStyle',
'fontWeight',
'textDecoration'
]
_x = functools.partial(xpath_with_ns, ns_map={
'xml': 'http://www.w3.org/XML/1998/namespace',
'ttml': 'http://www.w3.org/ns/ttml',
'tts': 'http://www.w3.org/ns/ttml#styling',
})
styles = {}
default_style = {}
class TTMLPElementParser:
_out = ''
_unclosed_elements = []
_applied_styles = []
def start(self, tag, attrib):
if tag in (_x('ttml:br'), 'br'):
self._out += '\n'
else:
unclosed_elements = []
style = {}
element_style_id = attrib.get('style')
if default_style:
style.update(default_style)
if element_style_id:
style.update(styles.get(element_style_id, {}))
for prop in SUPPORTED_STYLING:
prop_val = attrib.get(_x('tts:' + prop))
if prop_val:
style[prop] = prop_val
if style:
font = ''
for k, v in sorted(style.items()):
if self._applied_styles and self._applied_styles[-1].get(k) == v:
continue
if k == 'color':
font += ' color="%s"' % v
elif k == 'fontSize':
font += ' size="%s"' % v
elif k == 'fontFamily':
font += ' face="%s"' % v
elif k == 'fontWeight' and v == 'bold':
self._out += '<b>'
unclosed_elements.append('b')
elif k == 'fontStyle' and v == 'italic':
self._out += '<i>'
unclosed_elements.append('i')
elif k == 'textDecoration' and v == 'underline':
self._out += '<u>'
unclosed_elements.append('u')
if font:
self._out += '<font' + font + '>'
unclosed_elements.append('font')
applied_style = {}
if self._applied_styles:
applied_style.update(self._applied_styles[-1])
applied_style.update(style)
self._applied_styles.append(applied_style)
self._unclosed_elements.append(unclosed_elements)
def end(self, tag):
if tag not in (_x('ttml:br'), 'br'):
unclosed_elements = self._unclosed_elements.pop()
for element in reversed(unclosed_elements):
self._out += '</%s>' % element
if unclosed_elements and self._applied_styles:
self._applied_styles.pop()
def data(self, data):
self._out += data
def close(self):
return self._out.strip()
def parse_node(node):
target = TTMLPElementParser()
parser = xml.etree.ElementTree.XMLParser(target=target)
parser.feed(xml.etree.ElementTree.tostring(node))
return parser.close()
for k, v in LEGACY_NAMESPACES:
for ns in v:
dfxp_data = dfxp_data.replace(ns, k)
dfxp = compat_etree_fromstring(dfxp_data)
out = []
paras = dfxp.findall(_x('.//ttml:p')) or dfxp.findall('.//p')
if not paras:
raise ValueError('Invalid dfxp/TTML subtitle')
repeat = False
while True:
for style in dfxp.findall(_x('.//ttml:style')):
style_id = style.get('id') or style.get(_x('xml:id'))
if not style_id:
continue
parent_style_id = style.get('style')
if parent_style_id:
if parent_style_id not in styles:
repeat = True
continue
styles[style_id] = styles[parent_style_id].copy()
for prop in SUPPORTED_STYLING:
prop_val = style.get(_x('tts:' + prop))
if prop_val:
styles.setdefault(style_id, {})[prop] = prop_val
if repeat:
repeat = False
else:
break
for p in ('body', 'div'):
ele = xpath_element(dfxp, [_x('.//ttml:' + p), './/' + p])
if ele is None:
continue
style = styles.get(ele.get('style'))
if not style:
continue
default_style.update(style)
for para, index in zip(paras, itertools.count(1)):
begin_time = parse_dfxp_time_expr(para.attrib.get('begin'))
end_time = parse_dfxp_time_expr(para.attrib.get('end'))
dur = parse_dfxp_time_expr(para.attrib.get('dur'))
if begin_time is None:
continue
if not end_time:
if not dur:
continue
end_time = begin_time + dur
out.append('%d\n%s --> %s\n%s\n\n' % (
index,
srt_subtitles_timecode(begin_time),
srt_subtitles_timecode(end_time),
parse_node(para)))
return ''.join(out)
def cli_option(params, command_option, param, separator=None):
param = params.get(param)
return ([] if param is None
else [command_option, str(param)] if separator is None
else [f'{command_option}{separator}{param}'])
def cli_bool_option(params, command_option, param, true_value='true', false_value='false', separator=None):
param = params.get(param)
assert param in (True, False, None)
return cli_option({True: true_value, False: false_value}, command_option, param, separator)
def cli_valueless_option(params, command_option, param, expected_value=True):
return [command_option] if params.get(param) == expected_value else []
def cli_configuration_args(argdict, keys, default=[], use_compat=True):
if isinstance(argdict, (list, tuple)): # for backward compatibility
if use_compat:
return argdict
else:
argdict = None
if argdict is None:
return default
assert isinstance(argdict, dict)
assert isinstance(keys, (list, tuple))
for key_list in keys:
arg_list = list(filter(
lambda x: x is not None,
[argdict.get(key.lower()) for key in variadic(key_list)]))
if arg_list:
return [arg for args in arg_list for arg in args]
return default
def _configuration_args(main_key, argdict, exe, keys=None, default=[], use_compat=True):
main_key, exe = main_key.lower(), exe.lower()
root_key = exe if main_key == exe else f'{main_key}+{exe}'
keys = [f'{root_key}{k}' for k in (keys or [''])]
if root_key in keys:
if main_key != exe:
keys.append((main_key, exe))
keys.append('default')
else:
use_compat = False
return cli_configuration_args(argdict, keys, default, use_compat)
class ISO639Utils:
# See http://www.loc.gov/standards/iso639-2/ISO-639-2_utf-8.txt
_lang_map = {
'aa': 'aar',
'ab': 'abk',
'ae': 'ave',
'af': 'afr',
'ak': 'aka',
'am': 'amh',
'an': 'arg',
'ar': 'ara',
'as': 'asm',
'av': 'ava',
'ay': 'aym',
'az': 'aze',
'ba': 'bak',
'be': 'bel',
'bg': 'bul',
'bh': 'bih',
'bi': 'bis',
'bm': 'bam',
'bn': 'ben',
'bo': 'bod',
'br': 'bre',
'bs': 'bos',
'ca': 'cat',
'ce': 'che',
'ch': 'cha',
'co': 'cos',
'cr': 'cre',
'cs': 'ces',
'cu': 'chu',
'cv': 'chv',
'cy': 'cym',
'da': 'dan',
'de': 'deu',
'dv': 'div',
'dz': 'dzo',
'ee': 'ewe',
'el': 'ell',
'en': 'eng',
'eo': 'epo',
'es': 'spa',
'et': 'est',
'eu': 'eus',
'fa': 'fas',
'ff': 'ful',
'fi': 'fin',
'fj': 'fij',
'fo': 'fao',
'fr': 'fra',
'fy': 'fry',
'ga': 'gle',
'gd': 'gla',
'gl': 'glg',
'gn': 'grn',
'gu': 'guj',
'gv': 'glv',
'ha': 'hau',
'he': 'heb',
'iw': 'heb', # Replaced by he in 1989 revision
'hi': 'hin',
'ho': 'hmo',
'hr': 'hrv',
'ht': 'hat',
'hu': 'hun',
'hy': 'hye',
'hz': 'her',
'ia': 'ina',
'id': 'ind',
'in': 'ind', # Replaced by id in 1989 revision
'ie': 'ile',
'ig': 'ibo',
'ii': 'iii',
'ik': 'ipk',
'io': 'ido',
'is': 'isl',
'it': 'ita',
'iu': 'iku',
'ja': 'jpn',
'jv': 'jav',
'ka': 'kat',
'kg': 'kon',
'ki': 'kik',
'kj': 'kua',
'kk': 'kaz',
'kl': 'kal',
'km': 'khm',
'kn': 'kan',
'ko': 'kor',
'kr': 'kau',
'ks': 'kas',
'ku': 'kur',
'kv': 'kom',
'kw': 'cor',
'ky': 'kir',
'la': 'lat',
'lb': 'ltz',
'lg': 'lug',
'li': 'lim',
'ln': 'lin',
'lo': 'lao',
'lt': 'lit',
'lu': 'lub',
'lv': 'lav',
'mg': 'mlg',
'mh': 'mah',
'mi': 'mri',
'mk': 'mkd',
'ml': 'mal',
'mn': 'mon',
'mr': 'mar',
'ms': 'msa',
'mt': 'mlt',
'my': 'mya',
'na': 'nau',
'nb': 'nob',
'nd': 'nde',
'ne': 'nep',
'ng': 'ndo',
'nl': 'nld',
'nn': 'nno',
'no': 'nor',
'nr': 'nbl',
'nv': 'nav',
'ny': 'nya',
'oc': 'oci',
'oj': 'oji',
'om': 'orm',
'or': 'ori',
'os': 'oss',
'pa': 'pan',
'pi': 'pli',
'pl': 'pol',
'ps': 'pus',
'pt': 'por',
'qu': 'que',
'rm': 'roh',
'rn': 'run',
'ro': 'ron',
'ru': 'rus',
'rw': 'kin',
'sa': 'san',
'sc': 'srd',
'sd': 'snd',
'se': 'sme',
'sg': 'sag',
'si': 'sin',
'sk': 'slk',
'sl': 'slv',
'sm': 'smo',
'sn': 'sna',
'so': 'som',
'sq': 'sqi',
'sr': 'srp',
'ss': 'ssw',
'st': 'sot',
'su': 'sun',
'sv': 'swe',
'sw': 'swa',
'ta': 'tam',
'te': 'tel',
'tg': 'tgk',
'th': 'tha',
'ti': 'tir',
'tk': 'tuk',
'tl': 'tgl',
'tn': 'tsn',
'to': 'ton',
'tr': 'tur',
'ts': 'tso',
'tt': 'tat',
'tw': 'twi',
'ty': 'tah',
'ug': 'uig',
'uk': 'ukr',
'ur': 'urd',
'uz': 'uzb',
've': 'ven',
'vi': 'vie',
'vo': 'vol',
'wa': 'wln',
'wo': 'wol',
'xh': 'xho',
'yi': 'yid',
'ji': 'yid', # Replaced by yi in 1989 revision
'yo': 'yor',
'za': 'zha',
'zh': 'zho',
'zu': 'zul',
}
@classmethod
def short2long(cls, code):
"""Convert language code from ISO 639-1 to ISO 639-2/T"""
return cls._lang_map.get(code[:2])
@classmethod
def long2short(cls, code):
"""Convert language code from ISO 639-2/T to ISO 639-1"""
for short_name, long_name in cls._lang_map.items():
if long_name == code:
return short_name
class ISO3166Utils:
# From http://data.okfn.org/data/core/country-list
_country_map = {
'AF': 'Afghanistan',
'AX': 'Åland Islands',
'AL': 'Albania',
'DZ': 'Algeria',
'AS': 'American Samoa',
'AD': 'Andorra',
'AO': 'Angola',
'AI': 'Anguilla',
'AQ': 'Antarctica',
'AG': 'Antigua and Barbuda',
'AR': 'Argentina',
'AM': 'Armenia',
'AW': 'Aruba',
'AU': 'Australia',
'AT': 'Austria',
'AZ': 'Azerbaijan',
'BS': 'Bahamas',
'BH': 'Bahrain',
'BD': 'Bangladesh',
'BB': 'Barbados',
'BY': 'Belarus',
'BE': 'Belgium',
'BZ': 'Belize',
'BJ': 'Benin',
'BM': 'Bermuda',
'BT': 'Bhutan',
'BO': 'Bolivia, Plurinational State of',
'BQ': 'Bonaire, Sint Eustatius and Saba',
'BA': 'Bosnia and Herzegovina',
'BW': 'Botswana',
'BV': 'Bouvet Island',
'BR': 'Brazil',
'IO': 'British Indian Ocean Territory',
'BN': 'Brunei Darussalam',
'BG': 'Bulgaria',
'BF': 'Burkina Faso',
'BI': 'Burundi',
'KH': 'Cambodia',
'CM': 'Cameroon',
'CA': 'Canada',
'CV': 'Cape Verde',
'KY': 'Cayman Islands',
'CF': 'Central African Republic',
'TD': 'Chad',
'CL': 'Chile',
'CN': 'China',
'CX': 'Christmas Island',
'CC': 'Cocos (Keeling) Islands',
'CO': 'Colombia',
'KM': 'Comoros',
'CG': 'Congo',
'CD': 'Congo, the Democratic Republic of the',
'CK': 'Cook Islands',
'CR': 'Costa Rica',
'CI': 'Côte d\'Ivoire',
'HR': 'Croatia',
'CU': 'Cuba',
'CW': 'Curaçao',
'CY': 'Cyprus',
'CZ': 'Czech Republic',
'DK': 'Denmark',
'DJ': 'Djibouti',
'DM': 'Dominica',
'DO': 'Dominican Republic',
'EC': 'Ecuador',
'EG': 'Egypt',
'SV': 'El Salvador',
'GQ': 'Equatorial Guinea',
'ER': 'Eritrea',
'EE': 'Estonia',
'ET': 'Ethiopia',
'FK': 'Falkland Islands (Malvinas)',
'FO': 'Faroe Islands',
'FJ': 'Fiji',
'FI': 'Finland',
'FR': 'France',
'GF': 'French Guiana',
'PF': 'French Polynesia',
'TF': 'French Southern Territories',
'GA': 'Gabon',
'GM': 'Gambia',
'GE': 'Georgia',
'DE': 'Germany',
'GH': 'Ghana',
'GI': 'Gibraltar',
'GR': 'Greece',
'GL': 'Greenland',
'GD': 'Grenada',
'GP': 'Guadeloupe',
'GU': 'Guam',
'GT': 'Guatemala',
'GG': 'Guernsey',
'GN': 'Guinea',
'GW': 'Guinea-Bissau',
'GY': 'Guyana',
'HT': 'Haiti',
'HM': 'Heard Island and McDonald Islands',
'VA': 'Holy See (Vatican City State)',
'HN': 'Honduras',
'HK': 'Hong Kong',
'HU': 'Hungary',
'IS': 'Iceland',
'IN': 'India',
'ID': 'Indonesia',
'IR': 'Iran, Islamic Republic of',
'IQ': 'Iraq',
'IE': 'Ireland',
'IM': 'Isle of Man',
'IL': 'Israel',
'IT': 'Italy',
'JM': 'Jamaica',
'JP': 'Japan',
'JE': 'Jersey',
'JO': 'Jordan',
'KZ': 'Kazakhstan',
'KE': 'Kenya',
'KI': 'Kiribati',
'KP': 'Korea, Democratic People\'s Republic of',
'KR': 'Korea, Republic of',
'KW': 'Kuwait',
'KG': 'Kyrgyzstan',
'LA': 'Lao People\'s Democratic Republic',
'LV': 'Latvia',
'LB': 'Lebanon',
'LS': 'Lesotho',
'LR': 'Liberia',
'LY': 'Libya',
'LI': 'Liechtenstein',
'LT': 'Lithuania',
'LU': 'Luxembourg',
'MO': 'Macao',
'MK': 'Macedonia, the Former Yugoslav Republic of',
'MG': 'Madagascar',
'MW': 'Malawi',
'MY': 'Malaysia',
'MV': 'Maldives',
'ML': 'Mali',
'MT': 'Malta',
'MH': 'Marshall Islands',
'MQ': 'Martinique',
'MR': 'Mauritania',
'MU': 'Mauritius',
'YT': 'Mayotte',
'MX': 'Mexico',
'FM': 'Micronesia, Federated States of',
'MD': 'Moldova, Republic of',
'MC': 'Monaco',
'MN': 'Mongolia',
'ME': 'Montenegro',
'MS': 'Montserrat',
'MA': 'Morocco',
'MZ': 'Mozambique',
'MM': 'Myanmar',
'NA': 'Namibia',
'NR': 'Nauru',
'NP': 'Nepal',
'NL': 'Netherlands',
'NC': 'New Caledonia',
'NZ': 'New Zealand',
'NI': 'Nicaragua',
'NE': 'Niger',
'NG': 'Nigeria',
'NU': 'Niue',
'NF': 'Norfolk Island',
'MP': 'Northern Mariana Islands',
'NO': 'Norway',
'OM': 'Oman',
'PK': 'Pakistan',
'PW': 'Palau',
'PS': 'Palestine, State of',
'PA': 'Panama',
'PG': 'Papua New Guinea',
'PY': 'Paraguay',
'PE': 'Peru',
'PH': 'Philippines',
'PN': 'Pitcairn',
'PL': 'Poland',
'PT': 'Portugal',
'PR': 'Puerto Rico',
'QA': 'Qatar',
'RE': 'Réunion',
'RO': 'Romania',
'RU': 'Russian Federation',
'RW': 'Rwanda',
'BL': 'Saint Barthélemy',
'SH': 'Saint Helena, Ascension and Tristan da Cunha',
'KN': 'Saint Kitts and Nevis',
'LC': 'Saint Lucia',
'MF': 'Saint Martin (French part)',
'PM': 'Saint Pierre and Miquelon',
'VC': 'Saint Vincent and the Grenadines',
'WS': 'Samoa',
'SM': 'San Marino',
'ST': 'Sao Tome and Principe',
'SA': 'Saudi Arabia',
'SN': 'Senegal',
'RS': 'Serbia',
'SC': 'Seychelles',
'SL': 'Sierra Leone',
'SG': 'Singapore',
'SX': 'Sint Maarten (Dutch part)',
'SK': 'Slovakia',
'SI': 'Slovenia',
'SB': 'Solomon Islands',
'SO': 'Somalia',
'ZA': 'South Africa',
'GS': 'South Georgia and the South Sandwich Islands',
'SS': 'South Sudan',
'ES': 'Spain',
'LK': 'Sri Lanka',
'SD': 'Sudan',
'SR': 'Suriname',
'SJ': 'Svalbard and Jan Mayen',
'SZ': 'Swaziland',
'SE': 'Sweden',
'CH': 'Switzerland',
'SY': 'Syrian Arab Republic',
'TW': 'Taiwan, Province of China',
'TJ': 'Tajikistan',
'TZ': 'Tanzania, United Republic of',
'TH': 'Thailand',
'TL': 'Timor-Leste',
'TG': 'Togo',
'TK': 'Tokelau',
'TO': 'Tonga',
'TT': 'Trinidad and Tobago',
'TN': 'Tunisia',
'TR': 'Turkey',
'TM': 'Turkmenistan',
'TC': 'Turks and Caicos Islands',
'TV': 'Tuvalu',
'UG': 'Uganda',
'UA': 'Ukraine',
'AE': 'United Arab Emirates',
'GB': 'United Kingdom',
'US': 'United States',
'UM': 'United States Minor Outlying Islands',
'UY': 'Uruguay',
'UZ': 'Uzbekistan',
'VU': 'Vanuatu',
'VE': 'Venezuela, Bolivarian Republic of',
'VN': 'Viet Nam',
'VG': 'Virgin Islands, British',
'VI': 'Virgin Islands, U.S.',
'WF': 'Wallis and Futuna',
'EH': 'Western Sahara',
'YE': 'Yemen',
'ZM': 'Zambia',
'ZW': 'Zimbabwe',
# Not ISO 3166 codes, but used for IP blocks
'AP': 'Asia/Pacific Region',
'EU': 'Europe',
}
@classmethod
def short2full(cls, code):
"""Convert an ISO 3166-2 country code to the corresponding full name"""
return cls._country_map.get(code.upper())
class GeoUtils:
# Major IPv4 address blocks per country
_country_ip_map = {
'AD': '46.172.224.0/19',
'AE': '94.200.0.0/13',
'AF': '149.54.0.0/17',
'AG': '209.59.64.0/18',
'AI': '204.14.248.0/21',
'AL': '46.99.0.0/16',
'AM': '46.70.0.0/15',
'AO': '105.168.0.0/13',
'AP': '182.50.184.0/21',
'AQ': '23.154.160.0/24',
'AR': '181.0.0.0/12',
'AS': '202.70.112.0/20',
'AT': '77.116.0.0/14',
'AU': '1.128.0.0/11',
'AW': '181.41.0.0/18',
'AX': '185.217.4.0/22',
'AZ': '5.197.0.0/16',
'BA': '31.176.128.0/17',
'BB': '65.48.128.0/17',
'BD': '114.130.0.0/16',
'BE': '57.0.0.0/8',
'BF': '102.178.0.0/15',
'BG': '95.42.0.0/15',
'BH': '37.131.0.0/17',
'BI': '154.117.192.0/18',
'BJ': '137.255.0.0/16',
'BL': '185.212.72.0/23',
'BM': '196.12.64.0/18',
'BN': '156.31.0.0/16',
'BO': '161.56.0.0/16',
'BQ': '161.0.80.0/20',
'BR': '191.128.0.0/12',
'BS': '24.51.64.0/18',
'BT': '119.2.96.0/19',
'BW': '168.167.0.0/16',
'BY': '178.120.0.0/13',
'BZ': '179.42.192.0/18',
'CA': '99.224.0.0/11',
'CD': '41.243.0.0/16',
'CF': '197.242.176.0/21',
'CG': '160.113.0.0/16',
'CH': '85.0.0.0/13',
'CI': '102.136.0.0/14',
'CK': '202.65.32.0/19',
'CL': '152.172.0.0/14',
'CM': '102.244.0.0/14',
'CN': '36.128.0.0/10',
'CO': '181.240.0.0/12',
'CR': '201.192.0.0/12',
'CU': '152.206.0.0/15',
'CV': '165.90.96.0/19',
'CW': '190.88.128.0/17',
'CY': '31.153.0.0/16',
'CZ': '88.100.0.0/14',
'DE': '53.0.0.0/8',
'DJ': '197.241.0.0/17',
'DK': '87.48.0.0/12',
'DM': '192.243.48.0/20',
'DO': '152.166.0.0/15',
'DZ': '41.96.0.0/12',
'EC': '186.68.0.0/15',
'EE': '90.190.0.0/15',
'EG': '156.160.0.0/11',
'ER': '196.200.96.0/20',
'ES': '88.0.0.0/11',
'ET': '196.188.0.0/14',
'EU': '2.16.0.0/13',
'FI': '91.152.0.0/13',
'FJ': '144.120.0.0/16',
'FK': '80.73.208.0/21',
'FM': '119.252.112.0/20',
'FO': '88.85.32.0/19',
'FR': '90.0.0.0/9',
'GA': '41.158.0.0/15',
'GB': '25.0.0.0/8',
'GD': '74.122.88.0/21',
'GE': '31.146.0.0/16',
'GF': '161.22.64.0/18',
'GG': '62.68.160.0/19',
'GH': '154.160.0.0/12',
'GI': '95.164.0.0/16',
'GL': '88.83.0.0/19',
'GM': '160.182.0.0/15',
'GN': '197.149.192.0/18',
'GP': '104.250.0.0/19',
'GQ': '105.235.224.0/20',
'GR': '94.64.0.0/13',
'GT': '168.234.0.0/16',
'GU': '168.123.0.0/16',
'GW': '197.214.80.0/20',
'GY': '181.41.64.0/18',
'HK': '113.252.0.0/14',
'HN': '181.210.0.0/16',
'HR': '93.136.0.0/13',
'HT': '148.102.128.0/17',
'HU': '84.0.0.0/14',
'ID': '39.192.0.0/10',
'IE': '87.32.0.0/12',
'IL': '79.176.0.0/13',
'IM': '5.62.80.0/20',
'IN': '117.192.0.0/10',
'IO': '203.83.48.0/21',
'IQ': '37.236.0.0/14',
'IR': '2.176.0.0/12',
'IS': '82.221.0.0/16',
'IT': '79.0.0.0/10',
'JE': '87.244.64.0/18',
'JM': '72.27.0.0/17',
'JO': '176.29.0.0/16',
'JP': '133.0.0.0/8',
'KE': '105.48.0.0/12',
'KG': '158.181.128.0/17',
'KH': '36.37.128.0/17',
'KI': '103.25.140.0/22',
'KM': '197.255.224.0/20',
'KN': '198.167.192.0/19',
'KP': '175.45.176.0/22',
'KR': '175.192.0.0/10',
'KW': '37.36.0.0/14',
'KY': '64.96.0.0/15',
'KZ': '2.72.0.0/13',
'LA': '115.84.64.0/18',
'LB': '178.135.0.0/16',
'LC': '24.92.144.0/20',
'LI': '82.117.0.0/19',
'LK': '112.134.0.0/15',
'LR': '102.183.0.0/16',
'LS': '129.232.0.0/17',
'LT': '78.56.0.0/13',
'LU': '188.42.0.0/16',
'LV': '46.109.0.0/16',
'LY': '41.252.0.0/14',
'MA': '105.128.0.0/11',
'MC': '88.209.64.0/18',
'MD': '37.246.0.0/16',
'ME': '178.175.0.0/17',
'MF': '74.112.232.0/21',
'MG': '154.126.0.0/17',
'MH': '117.103.88.0/21',
'MK': '77.28.0.0/15',
'ML': '154.118.128.0/18',
'MM': '37.111.0.0/17',
'MN': '49.0.128.0/17',
'MO': '60.246.0.0/16',
'MP': '202.88.64.0/20',
'MQ': '109.203.224.0/19',
'MR': '41.188.64.0/18',
'MS': '208.90.112.0/22',
'MT': '46.11.0.0/16',
'MU': '105.16.0.0/12',
'MV': '27.114.128.0/18',
'MW': '102.70.0.0/15',
'MX': '187.192.0.0/11',
'MY': '175.136.0.0/13',
'MZ': '197.218.0.0/15',
'NA': '41.182.0.0/16',
'NC': '101.101.0.0/18',
'NE': '197.214.0.0/18',
'NF': '203.17.240.0/22',
'NG': '105.112.0.0/12',
'NI': '186.76.0.0/15',
'NL': '145.96.0.0/11',
'NO': '84.208.0.0/13',
'NP': '36.252.0.0/15',
'NR': '203.98.224.0/19',
'NU': '49.156.48.0/22',
'NZ': '49.224.0.0/14',
'OM': '5.36.0.0/15',
'PA': '186.72.0.0/15',
'PE': '186.160.0.0/14',
'PF': '123.50.64.0/18',
'PG': '124.240.192.0/19',
'PH': '49.144.0.0/13',
'PK': '39.32.0.0/11',
'PL': '83.0.0.0/11',
'PM': '70.36.0.0/20',
'PR': '66.50.0.0/16',
'PS': '188.161.0.0/16',
'PT': '85.240.0.0/13',
'PW': '202.124.224.0/20',
'PY': '181.120.0.0/14',
'QA': '37.210.0.0/15',
'RE': '102.35.0.0/16',
'RO': '79.112.0.0/13',
'RS': '93.86.0.0/15',
'RU': '5.136.0.0/13',
'RW': '41.186.0.0/16',
'SA': '188.48.0.0/13',
'SB': '202.1.160.0/19',
'SC': '154.192.0.0/11',
'SD': '102.120.0.0/13',
'SE': '78.64.0.0/12',
'SG': '8.128.0.0/10',
'SI': '188.196.0.0/14',
'SK': '78.98.0.0/15',
'SL': '102.143.0.0/17',
'SM': '89.186.32.0/19',
'SN': '41.82.0.0/15',
'SO': '154.115.192.0/18',
'SR': '186.179.128.0/17',
'SS': '105.235.208.0/21',
'ST': '197.159.160.0/19',
'SV': '168.243.0.0/16',
'SX': '190.102.0.0/20',
'SY': '5.0.0.0/16',
'SZ': '41.84.224.0/19',
'TC': '65.255.48.0/20',
'TD': '154.68.128.0/19',
'TG': '196.168.0.0/14',
'TH': '171.96.0.0/13',
'TJ': '85.9.128.0/18',
'TK': '27.96.24.0/21',
'TL': '180.189.160.0/20',
'TM': '95.85.96.0/19',
'TN': '197.0.0.0/11',
'TO': '175.176.144.0/21',
'TR': '78.160.0.0/11',
'TT': '186.44.0.0/15',
'TV': '202.2.96.0/19',
'TW': '120.96.0.0/11',
'TZ': '156.156.0.0/14',
'UA': '37.52.0.0/14',
'UG': '102.80.0.0/13',
'US': '6.0.0.0/8',
'UY': '167.56.0.0/13',
'UZ': '84.54.64.0/18',
'VA': '212.77.0.0/19',
'VC': '207.191.240.0/21',
'VE': '186.88.0.0/13',
'VG': '66.81.192.0/20',
'VI': '146.226.0.0/16',
'VN': '14.160.0.0/11',
'VU': '202.80.32.0/20',
'WF': '117.20.32.0/21',
'WS': '202.4.32.0/19',
'YE': '134.35.0.0/16',
'YT': '41.242.116.0/22',
'ZA': '41.0.0.0/11',
'ZM': '102.144.0.0/13',
'ZW': '102.177.192.0/18',
}
@classmethod
def random_ipv4(cls, code_or_block):
if len(code_or_block) == 2:
block = cls._country_ip_map.get(code_or_block.upper())
if not block:
return None
else:
block = code_or_block
addr, preflen = block.split('/')
addr_min = struct.unpack('!L', socket.inet_aton(addr))[0]
addr_max = addr_min | (0xffffffff >> int(preflen))
return str(socket.inet_ntoa(
struct.pack('!L', random.randint(addr_min, addr_max))))
class PerRequestProxyHandler(urllib.request.ProxyHandler):
def __init__(self, proxies=None):
# Set default handlers
for type in ('http', 'https'):
setattr(self, '%s_open' % type,
lambda r, proxy='__noproxy__', type=type, meth=self.proxy_open:
meth(r, proxy, type))
urllib.request.ProxyHandler.__init__(self, proxies)
def proxy_open(self, req, proxy, type):
req_proxy = req.headers.get('Ytdl-request-proxy')
if req_proxy is not None:
proxy = req_proxy
del req.headers['Ytdl-request-proxy']
if proxy == '__noproxy__':
return None # No Proxy
if urllib.parse.urlparse(proxy).scheme.lower() in ('socks', 'socks4', 'socks4a', 'socks5'):
req.add_header('Ytdl-socks-proxy', proxy)
# yt-dlp's http/https handlers do wrapping the socket with socks
return None
return urllib.request.ProxyHandler.proxy_open(
self, req, proxy, type)
# Both long_to_bytes and bytes_to_long are adapted from PyCrypto, which is
# released into Public Domain
# https://github.com/dlitz/pycrypto/blob/master/lib/Crypto/Util/number.py#L387
def long_to_bytes(n, blocksize=0):
"""long_to_bytes(n:long, blocksize:int) : string
Convert a long integer to a byte string.
If optional blocksize is given and greater than zero, pad the front of the
byte string with binary zeros so that the length is a multiple of
blocksize.
"""
# after much testing, this algorithm was deemed to be the fastest
s = b''
n = int(n)
while n > 0:
s = struct.pack('>I', n & 0xffffffff) + s
n = n >> 32
# strip off leading zeros
for i in range(len(s)):
if s[i] != b'\000'[0]:
break
else:
# only happens when n == 0
s = b'\000'
i = 0
s = s[i:]
# add back some pad bytes. this could be done more efficiently w.r.t. the
# de-padding being done above, but sigh...
if blocksize > 0 and len(s) % blocksize:
s = (blocksize - len(s) % blocksize) * b'\000' + s
return s
def bytes_to_long(s):
"""bytes_to_long(string) : long
Convert a byte string to a long integer.
This is (essentially) the inverse of long_to_bytes().
"""
acc = 0
length = len(s)
if length % 4:
extra = (4 - length % 4)
s = b'\000' * extra + s
length = length + extra
for i in range(0, length, 4):
acc = (acc << 32) + struct.unpack('>I', s[i:i + 4])[0]
return acc
def ohdave_rsa_encrypt(data, exponent, modulus):
'''
Implement OHDave's RSA algorithm. See http://www.ohdave.com/rsa/
Input:
data: data to encrypt, bytes-like object
exponent, modulus: parameter e and N of RSA algorithm, both integer
Output: hex string of encrypted data
Limitation: supports one block encryption only
'''
payload = int(binascii.hexlify(data[::-1]), 16)
encrypted = pow(payload, exponent, modulus)
return '%x' % encrypted
def pkcs1pad(data, length):
"""
Padding input data with PKCS#1 scheme
@param {int[]} data input data
@param {int} length target length
@returns {int[]} padded data
"""
if len(data) > length - 11:
raise ValueError('Input data too long for PKCS#1 padding')
pseudo_random = [random.randint(0, 254) for _ in range(length - len(data) - 3)]
return [0, 2] + pseudo_random + [0] + data
def _base_n_table(n, table):
if not table and not n:
raise ValueError('Either table or n must be specified')
table = (table or '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ')[:n]
if n and n != len(table):
raise ValueError(f'base {n} exceeds table length {len(table)}')
return table
def encode_base_n(num, n=None, table=None):
"""Convert given int to a base-n string"""
table = _base_n_table(n, table)
if not num:
return table[0]
result, base = '', len(table)
while num:
result = table[num % base] + result
num = num // base
return result
def decode_base_n(string, n=None, table=None):
"""Convert given base-n string to int"""
table = {char: index for index, char in enumerate(_base_n_table(n, table))}
result, base = 0, len(table)
for char in string:
result = result * base + table[char]
return result
def decode_base(value, digits):
write_string('DeprecationWarning: yt_dlp.utils.decode_base is deprecated '
'and may be removed in a future version. Use yt_dlp.decode_base_n instead')
return decode_base_n(value, table=digits)
def decode_packed_codes(code):
mobj = re.search(PACKED_CODES_RE, code)
obfuscated_code, base, count, symbols = mobj.groups()
base = int(base)
count = int(count)
symbols = symbols.split('|')
symbol_table = {}
while count:
count -= 1
base_n_count = encode_base_n(count, base)
symbol_table[base_n_count] = symbols[count] or base_n_count
return re.sub(
r'\b(\w+)\b', lambda mobj: symbol_table[mobj.group(0)],
obfuscated_code)
def caesar(s, alphabet, shift):
if shift == 0:
return s
l = len(alphabet)
return ''.join(
alphabet[(alphabet.index(c) + shift) % l] if c in alphabet else c
for c in s)
def rot47(s):
return caesar(s, r'''!"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\]^_`abcdefghijklmnopqrstuvwxyz{|}~''', 47)
def parse_m3u8_attributes(attrib):
info = {}
for (key, val) in re.findall(r'(?P<key>[A-Z0-9-]+)=(?P<val>"[^"]+"|[^",]+)(?:,|$)', attrib):
if val.startswith('"'):
val = val[1:-1]
info[key] = val
return info
def urshift(val, n):
return val >> n if val >= 0 else (val + 0x100000000) >> n
# Based on png2str() written by @gdkchan and improved by @yokrysty
# Originally posted at https://github.com/ytdl-org/youtube-dl/issues/9706
def decode_png(png_data):
# Reference: https://www.w3.org/TR/PNG/
header = png_data[8:]
if png_data[:8] != b'\x89PNG\x0d\x0a\x1a\x0a' or header[4:8] != b'IHDR':
raise OSError('Not a valid PNG file.')
int_map = {1: '>B', 2: '>H', 4: '>I'}
unpack_integer = lambda x: struct.unpack(int_map[len(x)], x)[0]
chunks = []
while header:
length = unpack_integer(header[:4])
header = header[4:]
chunk_type = header[:4]
header = header[4:]
chunk_data = header[:length]
header = header[length:]
header = header[4:] # Skip CRC
chunks.append({
'type': chunk_type,
'length': length,
'data': chunk_data
})
ihdr = chunks[0]['data']
width = unpack_integer(ihdr[:4])
height = unpack_integer(ihdr[4:8])
idat = b''
for chunk in chunks:
if chunk['type'] == b'IDAT':
idat += chunk['data']
if not idat:
raise OSError('Unable to read PNG data.')
decompressed_data = bytearray(zlib.decompress(idat))
stride = width * 3
pixels = []
def _get_pixel(idx):
x = idx % stride
y = idx // stride
return pixels[y][x]
for y in range(height):
basePos = y * (1 + stride)
filter_type = decompressed_data[basePos]
current_row = []
pixels.append(current_row)
for x in range(stride):
color = decompressed_data[1 + basePos + x]
basex = y * stride + x
left = 0
up = 0
if x > 2:
left = _get_pixel(basex - 3)
if y > 0:
up = _get_pixel(basex - stride)
if filter_type == 1: # Sub
color = (color + left) & 0xff
elif filter_type == 2: # Up
color = (color + up) & 0xff
elif filter_type == 3: # Average
color = (color + ((left + up) >> 1)) & 0xff
elif filter_type == 4: # Paeth
a = left
b = up
c = 0
if x > 2 and y > 0:
c = _get_pixel(basex - stride - 3)
p = a + b - c
pa = abs(p - a)
pb = abs(p - b)
pc = abs(p - c)
if pa <= pb and pa <= pc:
color = (color + a) & 0xff
elif pb <= pc:
color = (color + b) & 0xff
else:
color = (color + c) & 0xff
current_row.append(color)
return width, height, pixels
def write_xattr(path, key, value):
# Windows: Write xattrs to NTFS Alternate Data Streams:
# http://en.wikipedia.org/wiki/NTFS#Alternate_data_streams_.28ADS.29
if compat_os_name == 'nt':
assert ':' not in key
assert os.path.exists(path)
try:
with open(f'{path}:{key}', 'wb') as f:
f.write(value)
except OSError as e:
raise XAttrMetadataError(e.errno, e.strerror)
return
# UNIX Method 1. Use xattrs/pyxattrs modules
setxattr = None
if getattr(xattr, '_yt_dlp__identifier', None) == 'pyxattr':
# Unicode arguments are not supported in pyxattr until version 0.5.0
# See https://github.com/ytdl-org/youtube-dl/issues/5498
if version_tuple(xattr.__version__) >= (0, 5, 0):
setxattr = xattr.set
elif xattr:
setxattr = xattr.setxattr
if setxattr:
try:
setxattr(path, key, value)
except OSError as e:
raise XAttrMetadataError(e.errno, e.strerror)
return
# UNIX Method 2. Use setfattr/xattr executables
exe = ('setfattr' if check_executable('setfattr', ['--version'])
else 'xattr' if check_executable('xattr', ['-h']) else None)
if not exe:
raise XAttrUnavailableError(
'Couldn\'t find a tool to set the xattrs. Install either the python "xattr" or "pyxattr" modules or the '
+ ('"xattr" binary' if sys.platform != 'linux' else 'GNU "attr" package (which contains the "setfattr" tool)'))
value = value.decode()
try:
_, stderr, returncode = Popen.run(
[exe, '-w', key, value, path] if exe == 'xattr' else [exe, '-n', key, '-v', value, path],
text=True, stdout=subprocess.PIPE, stderr=subprocess.PIPE, stdin=subprocess.PIPE)
except OSError as e:
raise XAttrMetadataError(e.errno, e.strerror)
if returncode:
raise XAttrMetadataError(returncode, stderr)
def random_birthday(year_field, month_field, day_field):
start_date = datetime.date(1950, 1, 1)
end_date = datetime.date(1995, 12, 31)
offset = random.randint(0, (end_date - start_date).days)
random_date = start_date + datetime.timedelta(offset)
return {
year_field: str(random_date.year),
month_field: str(random_date.month),
day_field: str(random_date.day),
}
# Templates for internet shortcut files, which are plain text files.
DOT_URL_LINK_TEMPLATE = '''\
[InternetShortcut]
URL=%(url)s
'''
DOT_WEBLOC_LINK_TEMPLATE = '''\
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
<dict>
\t<key>URL</key>
\t<string>%(url)s</string>
</dict>
</plist>
'''
DOT_DESKTOP_LINK_TEMPLATE = '''\
[Desktop Entry]
Encoding=UTF-8
Name=%(filename)s
Type=Link
URL=%(url)s
Icon=text-html
'''
LINK_TEMPLATES = {
'url': DOT_URL_LINK_TEMPLATE,
'desktop': DOT_DESKTOP_LINK_TEMPLATE,
'webloc': DOT_WEBLOC_LINK_TEMPLATE,
}
def iri_to_uri(iri):
"""
Converts an IRI (Internationalized Resource Identifier, allowing Unicode characters) to a URI (Uniform Resource Identifier, ASCII-only).
The function doesn't add an additional layer of escaping; e.g., it doesn't escape `%3C` as `%253C`. Instead, it percent-escapes characters with an underlying UTF-8 encoding *besides* those already escaped, leaving the URI intact.
"""
iri_parts = urllib.parse.urlparse(iri)
if '[' in iri_parts.netloc:
raise ValueError('IPv6 URIs are not, yet, supported.')
# Querying `.netloc`, when there's only one bracket, also raises a ValueError.
# The `safe` argument values, that the following code uses, contain the characters that should not be percent-encoded. Everything else but letters, digits and '_.-' will be percent-encoded with an underlying UTF-8 encoding. Everything already percent-encoded will be left as is.
net_location = ''
if iri_parts.username:
net_location += urllib.parse.quote(iri_parts.username, safe=r"!$%&'()*+,~")
if iri_parts.password is not None:
net_location += ':' + urllib.parse.quote(iri_parts.password, safe=r"!$%&'()*+,~")
net_location += '@'
net_location += iri_parts.hostname.encode('idna').decode() # Punycode for Unicode hostnames.
# The 'idna' encoding produces ASCII text.
if iri_parts.port is not None and iri_parts.port != 80:
net_location += ':' + str(iri_parts.port)
return urllib.parse.urlunparse(
(iri_parts.scheme,
net_location,
urllib.parse.quote_plus(iri_parts.path, safe=r"!$%&'()*+,/:;=@|~"),
# Unsure about the `safe` argument, since this is a legacy way of handling parameters.
urllib.parse.quote_plus(iri_parts.params, safe=r"!$%&'()*+,/:;=@|~"),
# Not totally sure about the `safe` argument, since the source does not explicitly mention the query URI component.
urllib.parse.quote_plus(iri_parts.query, safe=r"!$%&'()*+,/:;=?@{|}~"),
urllib.parse.quote_plus(iri_parts.fragment, safe=r"!#$%&'()*+,/:;=?@{|}~")))
# Source for `safe` arguments: https://url.spec.whatwg.org/#percent-encoded-bytes.
def to_high_limit_path(path):
if sys.platform in ['win32', 'cygwin']:
# Work around MAX_PATH limitation on Windows. The maximum allowed length for the individual path segments may still be quite limited.
return '\\\\?\\' + os.path.abspath(path)
return path
def format_field(obj, field=None, template='%s', ignore=NO_DEFAULT, default='', func=IDENTITY):
val = traverse_obj(obj, *variadic(field))
if (not val and val != 0) if ignore is NO_DEFAULT else val in variadic(ignore):
return default
return template % func(val)
def clean_podcast_url(url):
return re.sub(r'''(?x)
(?:
(?:
chtbl\.com/track|
media\.blubrry\.com| # https://create.blubrry.com/resources/podcast-media-download-statistics/getting-started/
play\.podtrac\.com
)/[^/]+|
(?:dts|www)\.podtrac\.com/(?:pts/)?redirect\.[0-9a-z]{3,4}| # http://analytics.podtrac.com/how-to-measure
flex\.acast\.com|
pd(?:
cn\.co| # https://podcorn.com/analytics-prefix/
st\.fm # https://podsights.com/docs/
)/e
)/''', '', url)
_HEX_TABLE = '0123456789abcdef'
def random_uuidv4():
return re.sub(r'[xy]', lambda x: _HEX_TABLE[random.randint(0, 15)], 'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx')
def make_dir(path, to_screen=None):
try:
dn = os.path.dirname(path)
if dn and not os.path.exists(dn):
os.makedirs(dn)
return True
except OSError as err:
if callable(to_screen) is not None:
to_screen('unable to create directory ' + error_to_compat_str(err))
return False
def get_executable_path():
from .update import _get_variant_and_executable_path
return os.path.dirname(os.path.abspath(_get_variant_and_executable_path()[1]))
def load_plugins(name, suffix, namespace):
classes = {}
with contextlib.suppress(FileNotFoundError):
plugins_spec = importlib.util.spec_from_file_location(
name, os.path.join(get_executable_path(), 'ytdlp_plugins', name, '__init__.py'))
plugins = importlib.util.module_from_spec(plugins_spec)
sys.modules[plugins_spec.name] = plugins
plugins_spec.loader.exec_module(plugins)
for name in dir(plugins):
if name in namespace:
continue
if not name.endswith(suffix):
continue
klass = getattr(plugins, name)
classes[name] = namespace[name] = klass
return classes
def traverse_obj(
obj, *path_list, default=None, expected_type=None, get_all=True,
casesense=True, is_user_input=False, traverse_string=False):
''' Traverse nested list/dict/tuple
@param path_list A list of paths which are checked one by one.
Each path is a list of keys where each key is a:
- None: Do nothing
- string: A dictionary key
- int: An index into a list
- tuple: A list of keys all of which will be traversed
- Ellipsis: Fetch all values in the object
- Function: Takes the key and value as arguments
and returns whether the key matches or not
@param default Default value to return
@param expected_type Only accept final value of this type (Can also be any callable)
@param get_all Return all the values obtained from a path or only the first one
@param casesense Whether to consider dictionary keys as case sensitive
@param is_user_input Whether the keys are generated from user input. If True,
strings are converted to int/slice if necessary
@param traverse_string Whether to traverse inside strings. If True, any
non-compatible object will also be converted into a string
# TODO: Write tests
'''
if not casesense:
_lower = lambda k: (k.lower() if isinstance(k, str) else k)
path_list = (map(_lower, variadic(path)) for path in path_list)
def _traverse_obj(obj, path, _current_depth=0):
nonlocal depth
path = tuple(variadic(path))
for i, key in enumerate(path):
if None in (key, obj):
return obj
if isinstance(key, (list, tuple)):
obj = [_traverse_obj(obj, sub_key, _current_depth) for sub_key in key]
key = ...
if key is ...:
obj = (obj.values() if isinstance(obj, dict)
else obj if isinstance(obj, (list, tuple, LazyList))
else str(obj) if traverse_string else [])
_current_depth += 1
depth = max(depth, _current_depth)
return [_traverse_obj(inner_obj, path[i + 1:], _current_depth) for inner_obj in obj]
elif callable(key):
if isinstance(obj, (list, tuple, LazyList)):
obj = enumerate(obj)
elif isinstance(obj, dict):
obj = obj.items()
else:
if not traverse_string:
return None
obj = str(obj)
_current_depth += 1
depth = max(depth, _current_depth)
return [_traverse_obj(v, path[i + 1:], _current_depth) for k, v in obj if try_call(key, args=(k, v))]
elif isinstance(obj, dict) and not (is_user_input and key == ':'):
obj = (obj.get(key) if casesense or (key in obj)
else next((v for k, v in obj.items() if _lower(k) == key), None))
else:
if is_user_input:
key = (int_or_none(key) if ':' not in key
else slice(*map(int_or_none, key.split(':'))))
if key == slice(None):
return _traverse_obj(obj, (..., *path[i + 1:]), _current_depth)
if not isinstance(key, (int, slice)):
return None
if not isinstance(obj, (list, tuple, LazyList)):
if not traverse_string:
return None
obj = str(obj)
try:
obj = obj[key]
except IndexError:
return None
return obj
if isinstance(expected_type, type):
type_test = lambda val: val if isinstance(val, expected_type) else None
else:
type_test = expected_type or IDENTITY
for path in path_list:
depth = 0
val = _traverse_obj(obj, path)
if val is not None:
if depth:
for _ in range(depth - 1):
val = itertools.chain.from_iterable(v for v in val if v is not None)
val = [v for v in map(type_test, val) if v is not None]
if val:
return val if get_all else val[0]
else:
val = type_test(val)
if val is not None:
return val
return default
def traverse_dict(dictn, keys, casesense=True):
write_string('DeprecationWarning: yt_dlp.utils.traverse_dict is deprecated '
'and may be removed in a future version. Use yt_dlp.utils.traverse_obj instead')
return traverse_obj(dictn, keys, casesense=casesense, is_user_input=True, traverse_string=True)
def get_first(obj, keys, **kwargs):
return traverse_obj(obj, (..., *variadic(keys)), **kwargs, get_all=False)
def variadic(x, allowed_types=(str, bytes, dict)):
return x if isinstance(x, collections.abc.Iterable) and not isinstance(x, allowed_types) else (x,)
def time_seconds(**kwargs):
t = datetime.datetime.now(datetime.timezone(datetime.timedelta(**kwargs)))
return t.timestamp()
# create a JSON Web Signature (jws) with HS256 algorithm
# the resulting format is in JWS Compact Serialization
# implemented following JWT https://www.rfc-editor.org/rfc/rfc7519.html
# implemented following JWS https://www.rfc-editor.org/rfc/rfc7515.html
def jwt_encode_hs256(payload_data, key, headers={}):
header_data = {
'alg': 'HS256',
'typ': 'JWT',
}
if headers:
header_data.update(headers)
header_b64 = base64.b64encode(json.dumps(header_data).encode())
payload_b64 = base64.b64encode(json.dumps(payload_data).encode())
h = hmac.new(key.encode(), header_b64 + b'.' + payload_b64, hashlib.sha256)
signature_b64 = base64.b64encode(h.digest())
token = header_b64 + b'.' + payload_b64 + b'.' + signature_b64
return token
# can be extended in future to verify the signature and parse header and return the algorithm used if it's not HS256
def jwt_decode_hs256(jwt):
header_b64, payload_b64, signature_b64 = jwt.split('.')
payload_data = json.loads(base64.urlsafe_b64decode(payload_b64))
return payload_data
WINDOWS_VT_MODE = False if compat_os_name == 'nt' else None
@functools.cache
def supports_terminal_sequences(stream):
if compat_os_name == 'nt':
if not WINDOWS_VT_MODE:
return False
elif not os.getenv('TERM'):
return False
try:
return stream.isatty()
except BaseException:
return False
def windows_enable_vt_mode(): # TODO: Do this the proper way https://bugs.python.org/issue30075
if get_windows_version() < (10, 0, 10586):
return
global WINDOWS_VT_MODE
try:
Popen.run('', shell=True)
except Exception:
return
WINDOWS_VT_MODE = True
supports_terminal_sequences.cache_clear()
_terminal_sequences_re = re.compile('\033\\[[^m]+m')
def remove_terminal_sequences(string):
return _terminal_sequences_re.sub('', string)
def number_of_digits(number):
return len('%d' % number)
def join_nonempty(*values, delim='-', from_dict=None):
if from_dict is not None:
values = (traverse_obj(from_dict, variadic(v)) for v in values)
return delim.join(map(str, filter(None, values)))
def scale_thumbnails_to_max_format_width(formats, thumbnails, url_width_re):
"""
Find the largest format dimensions in terms of video width and, for each thumbnail:
* Modify the URL: Match the width with the provided regex and replace with the former width
* Update dimensions
This function is useful with video services that scale the provided thumbnails on demand
"""
_keys = ('width', 'height')
max_dimensions = max(
(tuple(format.get(k) or 0 for k in _keys) for format in formats),
default=(0, 0))
if not max_dimensions[0]:
return thumbnails
return [
merge_dicts(
{'url': re.sub(url_width_re, str(max_dimensions[0]), thumbnail['url'])},
dict(zip(_keys, max_dimensions)), thumbnail)
for thumbnail in thumbnails
]
def parse_http_range(range):
""" Parse value of "Range" or "Content-Range" HTTP header into tuple. """
if not range:
return None, None, None
crg = re.search(r'bytes[ =](\d+)-(\d+)?(?:/(\d+))?', range)
if not crg:
return None, None, None
return int(crg.group(1)), int_or_none(crg.group(2)), int_or_none(crg.group(3))
def read_stdin(what):
eof = 'Ctrl+Z' if compat_os_name == 'nt' else 'Ctrl+D'
write_string(f'Reading {what} from STDIN - EOF ({eof}) to end:\n')
return sys.stdin
class Config:
own_args = None
parsed_args = None
filename = None
__initialized = False
def __init__(self, parser, label=None):
self.parser, self.label = parser, label
self._loaded_paths, self.configs = set(), []
def init(self, args=None, filename=None):
assert not self.__initialized
self.own_args, self.filename = args, filename
return self.load_configs()
def load_configs(self):
directory = ''
if self.filename:
location = os.path.realpath(self.filename)
directory = os.path.dirname(location)
if location in self._loaded_paths:
return False
self._loaded_paths.add(location)
self.__initialized = True
opts, _ = self.parser.parse_known_args(self.own_args)
self.parsed_args = self.own_args
for location in opts.config_locations or []:
if location == '-':
self.append_config(shlex.split(read_stdin('options'), comments=True), label='stdin')
continue
location = os.path.join(directory, expand_path(location))
if os.path.isdir(location):
location = os.path.join(location, 'yt-dlp.conf')
if not os.path.exists(location):
self.parser.error(f'config location {location} does not exist')
self.append_config(self.read_file(location), location)
return True
def __str__(self):
label = join_nonempty(
self.label, 'config', f'"{self.filename}"' if self.filename else '',
delim=' ')
return join_nonempty(
self.own_args is not None and f'{label[0].upper()}{label[1:]}: {self.hide_login_info(self.own_args)}',
*(f'\n{c}'.replace('\n', '\n| ')[1:] for c in self.configs),
delim='\n')
@staticmethod
def read_file(filename, default=[]):
try:
optionf = open(filename)
except OSError:
return default # silently skip if file is not present
try:
# FIXME: https://github.com/ytdl-org/youtube-dl/commit/dfe5fa49aed02cf36ba9f743b11b0903554b5e56
contents = optionf.read()
res = shlex.split(contents, comments=True)
except Exception as err:
raise ValueError(f'Unable to parse "{filename}": {err}')
finally:
optionf.close()
return res
@staticmethod
def hide_login_info(opts):
PRIVATE_OPTS = {'-p', '--password', '-u', '--username', '--video-password', '--ap-password', '--ap-username'}
eqre = re.compile('^(?P<key>' + ('|'.join(re.escape(po) for po in PRIVATE_OPTS)) + ')=.+$')
def _scrub_eq(o):
m = eqre.match(o)
if m:
return m.group('key') + '=PRIVATE'
else:
return o
opts = list(map(_scrub_eq, opts))
for idx, opt in enumerate(opts):
if opt in PRIVATE_OPTS and idx + 1 < len(opts):
opts[idx + 1] = 'PRIVATE'
return opts
def append_config(self, *args, label=None):
config = type(self)(self.parser, label)
config._loaded_paths = self._loaded_paths
if config.init(*args):
self.configs.append(config)
@property
def all_args(self):
for config in reversed(self.configs):
yield from config.all_args
yield from self.parsed_args or []
def parse_known_args(self, **kwargs):
return self.parser.parse_known_args(self.all_args, **kwargs)
def parse_args(self):
return self.parser.parse_args(self.all_args)
class WebSocketsWrapper():
"""Wraps websockets module to use in non-async scopes"""
pool = None
def __init__(self, url, headers=None, connect=True):
self.loop = asyncio.new_event_loop()
# XXX: "loop" is deprecated
self.conn = websockets.connect(
url, extra_headers=headers, ping_interval=None,
close_timeout=float('inf'), loop=self.loop, ping_timeout=float('inf'))
if connect:
self.__enter__()
atexit.register(self.__exit__, None, None, None)
def __enter__(self):
if not self.pool:
self.pool = self.run_with_loop(self.conn.__aenter__(), self.loop)
return self
def send(self, *args):
self.run_with_loop(self.pool.send(*args), self.loop)
def recv(self, *args):
return self.run_with_loop(self.pool.recv(*args), self.loop)
def __exit__(self, type, value, traceback):
try:
return self.run_with_loop(self.conn.__aexit__(type, value, traceback), self.loop)
finally:
self.loop.close()
self._cancel_all_tasks(self.loop)
# taken from https://github.com/python/cpython/blob/3.9/Lib/asyncio/runners.py with modifications
# for contributors: If there's any new library using asyncio needs to be run in non-async, move these function out of this class
@staticmethod
def run_with_loop(main, loop):
if not asyncio.iscoroutine(main):
raise ValueError(f'a coroutine was expected, got {main!r}')
try:
return loop.run_until_complete(main)
finally:
loop.run_until_complete(loop.shutdown_asyncgens())
if hasattr(loop, 'shutdown_default_executor'):
loop.run_until_complete(loop.shutdown_default_executor())
@staticmethod
def _cancel_all_tasks(loop):
to_cancel = asyncio.all_tasks(loop)
if not to_cancel:
return
for task in to_cancel:
task.cancel()
# XXX: "loop" is removed in python 3.10+
loop.run_until_complete(
asyncio.gather(*to_cancel, loop=loop, return_exceptions=True))
for task in to_cancel:
if task.cancelled():
continue
if task.exception() is not None:
loop.call_exception_handler({
'message': 'unhandled exception during asyncio.run() shutdown',
'exception': task.exception(),
'task': task,
})
def merge_headers(*dicts):
"""Merge dicts of http headers case insensitively, prioritizing the latter ones"""
return {k.title(): v for k, v in itertools.chain.from_iterable(map(dict.items, dicts))}
def cached_method(f):
"""Cache a method"""
signature = inspect.signature(f)
@functools.wraps(f)
def wrapper(self, *args, **kwargs):
bound_args = signature.bind(self, *args, **kwargs)
bound_args.apply_defaults()
key = tuple(bound_args.arguments.values())
if not hasattr(self, '__cached_method__cache'):
self.__cached_method__cache = {}
cache = self.__cached_method__cache.setdefault(f.__name__, {})
if key not in cache:
cache[key] = f(self, *args, **kwargs)
return cache[key]
return wrapper
class classproperty:
"""property access for class methods"""
def __init__(self, func):
functools.update_wrapper(self, func)
self.func = func
def __get__(self, _, cls):
return self.func(cls)
class Namespace(types.SimpleNamespace):
"""Immutable namespace"""
def __iter__(self):
return iter(self.__dict__.values())
@property
def items_(self):
return self.__dict__.items()
# Deprecated
has_certifi = bool(certifi)
has_websockets = bool(websockets)