yt_dlp/extractor/youtube.py

   1 # coding: utf-8
   2
   3 from __future__ import unicode_literals
   4
   5 import calendar
   6 import copy
   7 import datetime
   8 import functools
   9 import hashlib
  10 import itertools
  11 import json
  12 import math
  13 import os.path
  14 import random
  15 import re
  16 import sys
  17 import time
  18 import traceback
  19 import threading
  20
  21 from .common import InfoExtractor, SearchInfoExtractor
  22 from ..compat import (
  23     compat_chr,
  24     compat_HTTPError,
  25     compat_parse_qs,
  26     compat_str,
  27     compat_urllib_parse_unquote_plus,
  28     compat_urllib_parse_urlencode,
  29     compat_urllib_parse_urlparse,
  30     compat_urlparse,
  31 )
  32 from ..jsinterp import JSInterpreter
  33 from ..utils import (
  34     bug_reports_message,
  35     clean_html,
  36     datetime_from_str,
  37     dict_get,
  38     error_to_compat_str,
  39     ExtractorError,
  40     float_or_none,
  41     format_field,
  42     int_or_none,
  43     is_html,
  44     join_nonempty,
  45     js_to_json,
  46     mimetype2ext,
  47     network_exceptions,
  48     NO_DEFAULT,
  49     orderedSet,
  50     parse_codecs,
  51     parse_count,
  52     parse_duration,
  53     parse_iso8601,
  54     parse_qs,
  55     qualities,
  56     remove_end,
  57     remove_start,
  58     smuggle_url,
  59     str_or_none,
  60     str_to_int,
  61     strftime_or_none,
  62     traverse_obj,
  63     try_get,
  64     unescapeHTML,
  65     unified_strdate,
  66     unified_timestamp,
  67     unsmuggle_url,
  68     update_url_query,
  69     url_or_none,
  70     urljoin,
  71     variadic,
  72 )
  73
  74
  75 def get_first(obj, keys, **kwargs):
  76     return traverse_obj(obj, (..., *variadic(keys)), **kwargs, get_all=False)
  77
  78
  79 # any clients starting with _ cannot be explicity requested by the user
  80 INNERTUBE_CLIENTS = {
  81     'web': {
  82         'INNERTUBE_API_KEY': 'AIzaSyAO_FJ2SlqU8Q4STEHLGCilw_Y9_11qcW8',
  83         'INNERTUBE_CONTEXT': {
  84             'client': {
  85                 'clientName': 'WEB',
  86                 'clientVersion': '2.20211221.00.00',
  87             }
  88         },
  89         'INNERTUBE_CONTEXT_CLIENT_NAME': 1
  90     },
  91     'web_embedded': {
  92         'INNERTUBE_API_KEY': 'AIzaSyAO_FJ2SlqU8Q4STEHLGCilw_Y9_11qcW8',
  93         'INNERTUBE_CONTEXT': {
  94             'client': {
  95                 'clientName': 'WEB_EMBEDDED_PLAYER',
  96                 'clientVersion': '1.20211215.00.01',
  97             },
  98         },
  99         'INNERTUBE_CONTEXT_CLIENT_NAME': 56
 100     },
 101     'web_music': {
 102         'INNERTUBE_API_KEY': 'AIzaSyC9XL3ZjWddXya6X74dJoCTL-WEYFDNX30',
 103         'INNERTUBE_HOST': 'music.youtube.com',
 104         'INNERTUBE_CONTEXT': {
 105             'client': {
 106                 'clientName': 'WEB_REMIX',
 107                 'clientVersion': '1.20211213.00.00',
 108             }
 109         },
 110         'INNERTUBE_CONTEXT_CLIENT_NAME': 67,
 111     },
 112     'web_creator': {
 113         'INNERTUBE_API_KEY': 'AIzaSyBUPetSUmoZL-OhlxA7wSac5XinrygCqMo',
 114         'INNERTUBE_CONTEXT': {
 115             'client': {
 116                 'clientName': 'WEB_CREATOR',
 117                 'clientVersion': '1.20211220.02.00',
 118             }
 119         },
 120         'INNERTUBE_CONTEXT_CLIENT_NAME': 62,
 121     },
 122     'android': {
 123         'INNERTUBE_API_KEY': 'AIzaSyA8eiZmM1FaDVjRy-df2KTyQ_vz_yYM39w',
 124         'INNERTUBE_CONTEXT': {
 125             'client': {
 126                 'clientName': 'ANDROID',
 127                 'clientVersion': '16.49',
 128             }
 129         },
 130         'INNERTUBE_CONTEXT_CLIENT_NAME': 3,
 131         'REQUIRE_JS_PLAYER': False
 132     },
 133     'android_embedded': {
 134         'INNERTUBE_API_KEY': 'AIzaSyCjc_pVEDi4qsv5MtC2dMXzpIaDoRFLsxw',
 135         'INNERTUBE_CONTEXT': {
 136             'client': {
 137                 'clientName': 'ANDROID_EMBEDDED_PLAYER',
 138                 'clientVersion': '16.49',
 139             },
 140         },
 141         'INNERTUBE_CONTEXT_CLIENT_NAME': 55,
 142         'REQUIRE_JS_PLAYER': False
 143     },
 144     'android_music': {
 145         'INNERTUBE_API_KEY': 'AIzaSyAOghZGza2MQSZkY_zfZ370N-PUdXEo8AI',
 146         'INNERTUBE_CONTEXT': {
 147             'client': {
 148                 'clientName': 'ANDROID_MUSIC',
 149                 'clientVersion': '4.57',
 150             }
 151         },
 152         'INNERTUBE_CONTEXT_CLIENT_NAME': 21,
 153         'REQUIRE_JS_PLAYER': False
 154     },
 155     'android_creator': {
 156         'INNERTUBE_API_KEY': 'AIzaSyD_qjV8zaaUMehtLkrKFgVeSX_Iqbtyws8',
 157         'INNERTUBE_CONTEXT': {
 158             'client': {
 159                 'clientName': 'ANDROID_CREATOR',
 160                 'clientVersion': '21.47',
 161             },
 162         },
 163         'INNERTUBE_CONTEXT_CLIENT_NAME': 14,
 164         'REQUIRE_JS_PLAYER': False
 165     },
 166     # iOS clients have HLS live streams. Setting device model to get 60fps formats.
 167     # See: https://github.com/TeamNewPipe/NewPipeExtractor/issues/680#issuecomment-1002724558
 168     'ios': {
 169         'INNERTUBE_API_KEY': 'AIzaSyB-63vPrdThhKuerbB2N_l7Kwwcxj6yUAc',
 170         'INNERTUBE_CONTEXT': {
 171             'client': {
 172                 'clientName': 'IOS',
 173                 'clientVersion': '16.46',
 174                 'deviceModel': 'iPhone14,3',
 175             }
 176         },
 177         'INNERTUBE_CONTEXT_CLIENT_NAME': 5,
 178         'REQUIRE_JS_PLAYER': False
 179     },
 180     'ios_embedded': {
 181         'INNERTUBE_CONTEXT': {
 182             'client': {
 183                 'clientName': 'IOS_MESSAGES_EXTENSION',
 184                 'clientVersion': '16.46',
 185                 'deviceModel': 'iPhone14,3',
 186             },
 187         },
 188         'INNERTUBE_CONTEXT_CLIENT_NAME': 66,
 189         'REQUIRE_JS_PLAYER': False
 190     },
 191     'ios_music': {
 192         'INNERTUBE_API_KEY': 'AIzaSyBAETezhkwP0ZWA02RsqT1zu78Fpt0bC_s',
 193         'INNERTUBE_CONTEXT': {
 194             'client': {
 195                 'clientName': 'IOS_MUSIC',
 196                 'clientVersion': '4.57',
 197             },
 198         },
 199         'INNERTUBE_CONTEXT_CLIENT_NAME': 26,
 200         'REQUIRE_JS_PLAYER': False
 201     },
 202     'ios_creator': {
 203         'INNERTUBE_CONTEXT': {
 204             'client': {
 205                 'clientName': 'IOS_CREATOR',
 206                 'clientVersion': '21.47',
 207             },
 208         },
 209         'INNERTUBE_CONTEXT_CLIENT_NAME': 15,
 210         'REQUIRE_JS_PLAYER': False
 211     },
 212     # mweb has 'ultralow' formats
 213     # See: https://github.com/yt-dlp/yt-dlp/pull/557
 214     'mweb': {
 215         'INNERTUBE_API_KEY': 'AIzaSyAO_FJ2SlqU8Q4STEHLGCilw_Y9_11qcW8',
 216         'INNERTUBE_CONTEXT': {
 217             'client': {
 218                 'clientName': 'MWEB',
 219                 'clientVersion': '2.20211221.01.00',
 220             }
 221         },
 222         'INNERTUBE_CONTEXT_CLIENT_NAME': 2
 223     }
 224 }
 225
 226
 227 def build_innertube_clients():
 228     third_party = {
 229         'embedUrl': 'https://google.com',  # Can be any valid URL
 230     }
 231     base_clients = ('android', 'web', 'ios', 'mweb')
 232     priority = qualities(base_clients[::-1])
 233
 234     for client, ytcfg in tuple(INNERTUBE_CLIENTS.items()):
 235         ytcfg.setdefault('INNERTUBE_API_KEY', 'AIzaSyDCU8hByM-4DrUqRUYnGn-3llEO78bcxq8')
 236         ytcfg.setdefault('INNERTUBE_HOST', 'www.youtube.com')
 237         ytcfg.setdefault('REQUIRE_JS_PLAYER', True)
 238         ytcfg['INNERTUBE_CONTEXT']['client'].setdefault('hl', 'en')
 239         ytcfg['priority'] = 10 * priority(client.split('_', 1)[0])
 240
 241         if client in base_clients:
 242             INNERTUBE_CLIENTS[f'{client}_agegate'] = agegate_ytcfg = copy.deepcopy(ytcfg)
 243             agegate_ytcfg['INNERTUBE_CONTEXT']['client']['clientScreen'] = 'EMBED'
 244             agegate_ytcfg['INNERTUBE_CONTEXT']['thirdParty'] = third_party
 245             agegate_ytcfg['priority'] -= 1
 246         elif client.endswith('_embedded'):
 247             ytcfg['INNERTUBE_CONTEXT']['thirdParty'] = third_party
 248             ytcfg['priority'] -= 2
 249         else:
 250             ytcfg['priority'] -= 3
 251
 252
 253 build_innertube_clients()
 254
 255
 256 class YoutubeBaseInfoExtractor(InfoExtractor):
 257     """Provide base functions for Youtube extractors"""
 258
 259     _RESERVED_NAMES = (
 260         r'channel|c|user|playlist|watch|w|v|embed|e|watch_popup|clip|'
 261         r'shorts|movies|results|shared|hashtag|trending|explore|feed|feeds|'
 262         r'browse|oembed|get_video_info|iframe_api|s/player|'
 263         r'storefront|oops|index|account|reporthistory|t/terms|about|upload|signin|logout')
 264
 265     _PLAYLIST_ID_RE = r'(?:(?:PL|LL|EC|UU|FL|RD|UL|TL|PU|OLAK5uy_)[0-9A-Za-z-_]{10,}|RDMM|WL|LL|LM)'
 266
 267     _NETRC_MACHINE = 'youtube'
 268
 269     # If True it will raise an error if no login info is provided
 270     _LOGIN_REQUIRED = False
 271
 272     _INVIDIOUS_SITES = (
 273         # invidious-redirect websites
 274         r'(?:www\.)?redirect\.invidious\.io',
 275         r'(?:(?:www|dev)\.)?invidio\.us',
 276         # Invidious instances taken from https://github.com/iv-org/documentation/blob/master/Invidious-Instances.md
 277         r'(?:www\.)?invidious\.pussthecat\.org',
 278         r'(?:www\.)?invidious\.zee\.li',
 279         r'(?:www\.)?invidious\.ethibox\.fr',
 280         r'(?:www\.)?invidious\.3o7z6yfxhbw7n3za4rss6l434kmv55cgw2vuziwuigpwegswvwzqipyd\.onion',
 281         r'(?:www\.)?osbivz6guyeahrwp2lnwyjk2xos342h4ocsxyqrlaopqjuhwn2djiiyd\.onion',
 282         r'(?:www\.)?u2cvlit75owumwpy4dj2hsmvkq7nvrclkpht7xgyye2pyoxhpmclkrad\.onion',
 283         # youtube-dl invidious instances list
 284         r'(?:(?:www|no)\.)?invidiou\.sh',
 285         r'(?:(?:www|fi)\.)?invidious\.snopyta\.org',
 286         r'(?:www\.)?invidious\.kabi\.tk',
 287         r'(?:www\.)?invidious\.mastodon\.host',
 288         r'(?:www\.)?invidious\.zapashcanon\.fr',
 289         r'(?:www\.)?(?:invidious(?:-us)?|piped)\.kavin\.rocks',
 290         r'(?:www\.)?invidious\.tinfoil-hat\.net',
 291         r'(?:www\.)?invidious\.himiko\.cloud',
 292         r'(?:www\.)?invidious\.reallyancient\.tech',
 293         r'(?:www\.)?invidious\.tube',
 294         r'(?:www\.)?invidiou\.site',
 295         r'(?:www\.)?invidious\.site',
 296         r'(?:www\.)?invidious\.xyz',
 297         r'(?:www\.)?invidious\.nixnet\.xyz',
 298         r'(?:www\.)?invidious\.048596\.xyz',
 299         r'(?:www\.)?invidious\.drycat\.fr',
 300         r'(?:www\.)?inv\.skyn3t\.in',
 301         r'(?:www\.)?tube\.poal\.co',
 302         r'(?:www\.)?tube\.connect\.cafe',
 303         r'(?:www\.)?vid\.wxzm\.sx',
 304         r'(?:www\.)?vid\.mint\.lgbt',
 305         r'(?:www\.)?vid\.puffyan\.us',
 306         r'(?:www\.)?yewtu\.be',
 307         r'(?:www\.)?yt\.elukerio\.org',
 308         r'(?:www\.)?yt\.lelux\.fi',
 309         r'(?:www\.)?invidious\.ggc-project\.de',
 310         r'(?:www\.)?yt\.maisputain\.ovh',
 311         r'(?:www\.)?ytprivate\.com',
 312         r'(?:www\.)?invidious\.13ad\.de',
 313         r'(?:www\.)?invidious\.toot\.koeln',
 314         r'(?:www\.)?invidious\.fdn\.fr',
 315         r'(?:www\.)?watch\.nettohikari\.com',
 316         r'(?:www\.)?invidious\.namazso\.eu',
 317         r'(?:www\.)?invidious\.silkky\.cloud',
 318         r'(?:www\.)?invidious\.exonip\.de',
 319         r'(?:www\.)?invidious\.riverside\.rocks',
 320         r'(?:www\.)?invidious\.blamefran\.net',
 321         r'(?:www\.)?invidious\.moomoo\.de',
 322         r'(?:www\.)?ytb\.trom\.tf',
 323         r'(?:www\.)?yt\.cyberhost\.uk',
 324         r'(?:www\.)?kgg2m7yk5aybusll\.onion',
 325         r'(?:www\.)?qklhadlycap4cnod\.onion',
 326         r'(?:www\.)?axqzx4s6s54s32yentfqojs3x5i7faxza6xo3ehd4bzzsg2ii4fv2iid\.onion',
 327         r'(?:www\.)?c7hqkpkpemu6e7emz5b4vyz7idjgdvgaaa3dyimmeojqbgpea3xqjoid\.onion',
 328         r'(?:www\.)?fz253lmuao3strwbfbmx46yu7acac2jz27iwtorgmbqlkurlclmancad\.onion',
 329         r'(?:www\.)?invidious\.l4qlywnpwqsluw65ts7md3khrivpirse744un3x7mlskqauz5pyuzgqd\.onion',
 330         r'(?:www\.)?owxfohz4kjyv25fvlqilyxast7inivgiktls3th44jhk3ej3i7ya\.b32\.i2p',
 331         r'(?:www\.)?4l2dgddgsrkf2ous66i6seeyi6etzfgrue332grh2n7madpwopotugyd\.onion',
 332         r'(?:www\.)?w6ijuptxiku4xpnnaetxvnkc5vqcdu7mgns2u77qefoixi63vbvnpnqd\.onion',
 333         r'(?:www\.)?kbjggqkzv65ivcqj6bumvp337z6264huv5kpkwuv6gu5yjiskvan7fad\.onion',
 334         r'(?:www\.)?grwp24hodrefzvjjuccrkw3mjq4tzhaaq32amf33dzpmuxe7ilepcmad\.onion',
 335         r'(?:www\.)?hpniueoejy4opn7bc4ftgazyqjoeqwlvh2uiku2xqku6zpoa4bf5ruid\.onion',
 336     )
 337
 338     def _login(self):
 339         """
 340         Attempt to log in to YouTube.
 341         If _LOGIN_REQUIRED is set and no authentication was provided, an error is raised.
 342         """
 343
 344         if (self._LOGIN_REQUIRED
 345                 and self.get_param('cookiefile') is None
 346                 and self.get_param('cookiesfrombrowser') is None):
 347             self.raise_login_required(
 348                 'Login details are needed to download this content', method='cookies')
 349         username, password = self._get_login_info()
 350         if username:
 351             self.report_warning(f'Cannot login to YouTube using username and password. {self._LOGIN_HINTS["cookies"]}')
 352
 353     def _initialize_consent(self):
 354         cookies = self._get_cookies('https://www.youtube.com/')
 355         if cookies.get('__Secure-3PSID'):
 356             return
 357         consent_id = None
 358         consent = cookies.get('CONSENT')
 359         if consent:
 360             if 'YES' in consent.value:
 361                 return
 362             consent_id = self._search_regex(
 363                 r'PENDING\+(\d+)', consent.value, 'consent', default=None)
 364         if not consent_id:
 365             consent_id = random.randint(100, 999)
 366         self._set_cookie('.youtube.com', 'CONSENT', 'YES+cb.20210328-17-p0.en+FX+%s' % consent_id)
 367
 368     def _initialize_pref(self):
 369         cookies = self._get_cookies('https://www.youtube.com/')
 370         pref_cookie = cookies.get('PREF')
 371         pref = {}
 372         if pref_cookie:
 373             try:
 374                 pref = dict(compat_urlparse.parse_qsl(pref_cookie.value))
 375             except ValueError:
 376                 self.report_warning('Failed to parse user PREF cookie' + bug_reports_message())
 377         pref.update({'hl': 'en', 'tz': 'UTC'})
 378         self._set_cookie('.youtube.com', name='PREF', value=compat_urllib_parse_urlencode(pref))
 379
 380     def _real_initialize(self):
 381         self._initialize_pref()
 382         self._initialize_consent()
 383         self._login()
 384
 385     _YT_INITIAL_DATA_RE = r'(?:window\s*\[\s*["\']ytInitialData["\']\s*\]|ytInitialData)\s*=\s*({.+?})\s*;'
 386     _YT_INITIAL_PLAYER_RESPONSE_RE = r'ytInitialPlayerResponse\s*=\s*({.+?})\s*;'
 387     _YT_INITIAL_BOUNDARY_RE = r'(?:var\s+meta|</script|\n)'
 388
 389     def _get_default_ytcfg(self, client='web'):
 390         return copy.deepcopy(INNERTUBE_CLIENTS[client])
 391
 392     def _get_innertube_host(self, client='web'):
 393         return INNERTUBE_CLIENTS[client]['INNERTUBE_HOST']
 394
 395     def _ytcfg_get_safe(self, ytcfg, getter, expected_type=None, default_client='web'):
 396         # try_get but with fallback to default ytcfg client values when present
 397         _func = lambda y: try_get(y, getter, expected_type)
 398         return _func(ytcfg) or _func(self._get_default_ytcfg(default_client))
 399
 400     def _extract_client_name(self, ytcfg, default_client='web'):
 401         return self._ytcfg_get_safe(
 402             ytcfg, (lambda x: x['INNERTUBE_CLIENT_NAME'],
 403                     lambda x: x['INNERTUBE_CONTEXT']['client']['clientName']), compat_str, default_client)
 404
 405     def _extract_client_version(self, ytcfg, default_client='web'):
 406         return self._ytcfg_get_safe(
 407             ytcfg, (lambda x: x['INNERTUBE_CLIENT_VERSION'],
 408                     lambda x: x['INNERTUBE_CONTEXT']['client']['clientVersion']), compat_str, default_client)
 409
 410     def _extract_api_key(self, ytcfg=None, default_client='web'):
 411         return self._ytcfg_get_safe(ytcfg, lambda x: x['INNERTUBE_API_KEY'], compat_str, default_client)
 412
 413     def _extract_context(self, ytcfg=None, default_client='web'):
 414         context = get_first(
 415             (ytcfg, self._get_default_ytcfg(default_client)), 'INNERTUBE_CONTEXT', expected_type=dict)
 416         # Enforce language and tz for extraction
 417         client_context = traverse_obj(context, 'client', expected_type=dict, default={})
 418         client_context.update({'hl': 'en', 'timeZone': 'UTC', 'utcOffsetMinutes': 0})
 419         return context
 420
 421     _SAPISID = None
 422
 423     def _generate_sapisidhash_header(self, origin='https://www.youtube.com'):
 424         time_now = round(time.time())
 425         if self._SAPISID is None:
 426             yt_cookies = self._get_cookies('https://www.youtube.com')
 427             # Sometimes SAPISID cookie isn't present but __Secure-3PAPISID is.
 428             # See: https://github.com/yt-dlp/yt-dlp/issues/393
 429             sapisid_cookie = dict_get(
 430                 yt_cookies, ('__Secure-3PAPISID', 'SAPISID'))
 431             if sapisid_cookie and sapisid_cookie.value:
 432                 self._SAPISID = sapisid_cookie.value
 433                 self.write_debug('Extracted SAPISID cookie')
 434                 # SAPISID cookie is required if not already present
 435                 if not yt_cookies.get('SAPISID'):
 436                     self.write_debug('Copying __Secure-3PAPISID cookie to SAPISID cookie')
 437                     self._set_cookie(
 438                         '.youtube.com', 'SAPISID', self._SAPISID, secure=True, expire_time=time_now + 3600)
 439             else:
 440                 self._SAPISID = False
 441         if not self._SAPISID:
 442             return None
 443         # SAPISIDHASH algorithm from https://stackoverflow.com/a/32065323
 444         sapisidhash = hashlib.sha1(
 445             f'{time_now} {self._SAPISID} {origin}'.encode('utf-8')).hexdigest()
 446         return f'SAPISIDHASH {time_now}_{sapisidhash}'
 447
 448     def _call_api(self, ep, query, video_id, fatal=True, headers=None,
 449                   note='Downloading API JSON', errnote='Unable to download API page',
 450                   context=None, api_key=None, api_hostname=None, default_client='web'):
 451
 452         data = {'context': context} if context else {'context': self._extract_context(default_client=default_client)}
 453         data.update(query)
 454         real_headers = self.generate_api_headers(default_client=default_client)
 455         real_headers.update({'content-type': 'application/json'})
 456         if headers:
 457             real_headers.update(headers)
 458         return self._download_json(
 459             'https://%s/youtubei/v1/%s' % (api_hostname or self._get_innertube_host(default_client), ep),
 460             video_id=video_id, fatal=fatal, note=note, errnote=errnote,
 461             data=json.dumps(data).encode('utf8'), headers=real_headers,
 462             query={'key': api_key or self._extract_api_key()})
 463
 464     def extract_yt_initial_data(self, item_id, webpage, fatal=True):
 465         data = self._search_regex(
 466             (r'%s\s*%s' % (self._YT_INITIAL_DATA_RE, self._YT_INITIAL_BOUNDARY_RE),
 467              self._YT_INITIAL_DATA_RE), webpage, 'yt initial data', fatal=fatal)
 468         if data:
 469             return self._parse_json(data, item_id, fatal=fatal)
 470
 471     @staticmethod
 472     def _extract_session_index(*data):
 473         """
 474         Index of current account in account list.
 475         See: https://github.com/yt-dlp/yt-dlp/pull/519
 476         """
 477         for ytcfg in data:
 478             session_index = int_or_none(try_get(ytcfg, lambda x: x['SESSION_INDEX']))
 479             if session_index is not None:
 480                 return session_index
 481
 482     # Deprecated?
 483     def _extract_identity_token(self, ytcfg=None, webpage=None):
 484         if ytcfg:
 485             token = try_get(ytcfg, lambda x: x['ID_TOKEN'], compat_str)
 486             if token:
 487                 return token
 488         if webpage:
 489             return self._search_regex(
 490                 r'\bID_TOKEN["\']\s*:\s*["\'](.+?)["\']', webpage,
 491                 'identity token', default=None, fatal=False)
 492
 493     @staticmethod
 494     def _extract_account_syncid(*args):
 495         """
 496         Extract syncId required to download private playlists of secondary channels
 497         @params response and/or ytcfg
 498         """
 499         for data in args:
 500             # ytcfg includes channel_syncid if on secondary channel
 501             delegated_sid = try_get(data, lambda x: x['DELEGATED_SESSION_ID'], compat_str)
 502             if delegated_sid:
 503                 return delegated_sid
 504             sync_ids = (try_get(
 505                 data, (lambda x: x['responseContext']['mainAppWebResponseContext']['datasyncId'],
 506                        lambda x: x['DATASYNC_ID']), compat_str) or '').split('||')
 507             if len(sync_ids) >= 2 and sync_ids[1]:
 508                 # datasyncid is of the form "channel_syncid||user_syncid" for secondary channel
 509                 # and just "user_syncid||" for primary channel. We only want the channel_syncid
 510                 return sync_ids[0]
 511
 512     @staticmethod
 513     def _extract_visitor_data(*args):
 514         """
 515         Extracts visitorData from an API response or ytcfg
 516         Appears to be used to track session state
 517         """
 518         return get_first(
 519             args, [('VISITOR_DATA', ('INNERTUBE_CONTEXT', 'client', 'visitorData'), ('responseContext', 'visitorData'))],
 520             expected_type=str)
 521
 522     @property
 523     def is_authenticated(self):
 524         return bool(self._generate_sapisidhash_header())
 525
 526     def extract_ytcfg(self, video_id, webpage):
 527         if not webpage:
 528             return {}
 529         return self._parse_json(
 530             self._search_regex(
 531                 r'ytcfg\.set\s*\(\s*({.+?})\s*\)\s*;', webpage, 'ytcfg',
 532                 default='{}'), video_id, fatal=False) or {}
 533
 534     def generate_api_headers(
 535             self, *, ytcfg=None, account_syncid=None, session_index=None,
 536             visitor_data=None, identity_token=None, api_hostname=None, default_client='web'):
 537
 538         origin = 'https://' + (api_hostname if api_hostname else self._get_innertube_host(default_client))
 539         headers = {
 540             'X-YouTube-Client-Name': compat_str(
 541                 self._ytcfg_get_safe(ytcfg, lambda x: x['INNERTUBE_CONTEXT_CLIENT_NAME'], default_client=default_client)),
 542             'X-YouTube-Client-Version': self._extract_client_version(ytcfg, default_client),
 543             'Origin': origin,
 544             'X-Youtube-Identity-Token': identity_token or self._extract_identity_token(ytcfg),
 545             'X-Goog-PageId': account_syncid or self._extract_account_syncid(ytcfg),
 546             'X-Goog-Visitor-Id': visitor_data or self._extract_visitor_data(ytcfg)
 547         }
 548         if session_index is None:
 549             session_index = self._extract_session_index(ytcfg)
 550         if account_syncid or session_index is not None:
 551             headers['X-Goog-AuthUser'] = session_index if session_index is not None else 0
 552
 553         auth = self._generate_sapisidhash_header(origin)
 554         if auth is not None:
 555             headers['Authorization'] = auth
 556             headers['X-Origin'] = origin
 557         return {h: v for h, v in headers.items() if v is not None}
 558
 559     @staticmethod
 560     def _build_api_continuation_query(continuation, ctp=None):
 561         query = {
 562             'continuation': continuation
 563         }
 564         # TODO: Inconsistency with clickTrackingParams.
 565         # Currently we have a fixed ctp contained within context (from ytcfg)
 566         # and a ctp in root query for continuation.
 567         if ctp:
 568             query['clickTracking'] = {'clickTrackingParams': ctp}
 569         return query
 570
 571     @classmethod
 572     def _extract_next_continuation_data(cls, renderer):
 573         next_continuation = try_get(
 574             renderer, (lambda x: x['continuations'][0]['nextContinuationData'],
 575                        lambda x: x['continuation']['reloadContinuationData']), dict)
 576         if not next_continuation:
 577             return
 578         continuation = next_continuation.get('continuation')
 579         if not continuation:
 580             return
 581         ctp = next_continuation.get('clickTrackingParams')
 582         return cls._build_api_continuation_query(continuation, ctp)
 583
 584     @classmethod
 585     def _extract_continuation_ep_data(cls, continuation_ep: dict):
 586         if isinstance(continuation_ep, dict):
 587             continuation = try_get(
 588                 continuation_ep, lambda x: x['continuationCommand']['token'], compat_str)
 589             if not continuation:
 590                 return
 591             ctp = continuation_ep.get('clickTrackingParams')
 592             return cls._build_api_continuation_query(continuation, ctp)
 593
 594     @classmethod
 595     def _extract_continuation(cls, renderer):
 596         next_continuation = cls._extract_next_continuation_data(renderer)
 597         if next_continuation:
 598             return next_continuation
 599
 600         contents = []
 601         for key in ('contents', 'items'):
 602             contents.extend(try_get(renderer, lambda x: x[key], list) or [])
 603
 604         for content in contents:
 605             if not isinstance(content, dict):
 606                 continue
 607             continuation_ep = try_get(
 608                 content, (lambda x: x['continuationItemRenderer']['continuationEndpoint'],
 609                           lambda x: x['continuationItemRenderer']['button']['buttonRenderer']['command']),
 610                 dict)
 611             continuation = cls._extract_continuation_ep_data(continuation_ep)
 612             if continuation:
 613                 return continuation
 614
 615     @classmethod
 616     def _extract_alerts(cls, data):
 617         for alert_dict in try_get(data, lambda x: x['alerts'], list) or []:
 618             if not isinstance(alert_dict, dict):
 619                 continue
 620             for alert in alert_dict.values():
 621                 alert_type = alert.get('type')
 622                 if not alert_type:
 623                     continue
 624                 message = cls._get_text(alert, 'text')
 625                 if message:
 626                     yield alert_type, message
 627
 628     def _report_alerts(self, alerts, expected=True, fatal=True, only_once=False):
 629         errors = []
 630         warnings = []
 631         for alert_type, alert_message in alerts:
 632             if alert_type.lower() == 'error' and fatal:
 633                 errors.append([alert_type, alert_message])
 634             else:
 635                 warnings.append([alert_type, alert_message])
 636
 637         for alert_type, alert_message in (warnings + errors[:-1]):
 638             self.report_warning('YouTube said: %s - %s' % (alert_type, alert_message), only_once=only_once)
 639         if errors:
 640             raise ExtractorError('YouTube said: %s' % errors[-1][1], expected=expected)
 641
 642     def _extract_and_report_alerts(self, data, *args, **kwargs):
 643         return self._report_alerts(self._extract_alerts(data), *args, **kwargs)
 644
 645     def _extract_badges(self, renderer: dict):
 646         badges = set()
 647         for badge in try_get(renderer, lambda x: x['badges'], list) or []:
 648             label = try_get(badge, lambda x: x['metadataBadgeRenderer']['label'], compat_str)
 649             if label:
 650                 badges.add(label.lower())
 651         return badges
 652
 653     @staticmethod
 654     def _get_text(data, *path_list, max_runs=None):
 655         for path in path_list or [None]:
 656             if path is None:
 657                 obj = [data]
 658             else:
 659                 obj = traverse_obj(data, path, default=[])
 660                 if not any(key is ... or isinstance(key, (list, tuple)) for key in variadic(path)):
 661                     obj = [obj]
 662             for item in obj:
 663                 text = try_get(item, lambda x: x['simpleText'], compat_str)
 664                 if text:
 665                     return text
 666                 runs = try_get(item, lambda x: x['runs'], list) or []
 667                 if not runs and isinstance(item, list):
 668                     runs = item
 669
 670                 runs = runs[:min(len(runs), max_runs or len(runs))]
 671                 text = ''.join(traverse_obj(runs, (..., 'text'), expected_type=str, default=[]))
 672                 if text:
 673                     return text
 674
 675     def _get_count(self, data, *path_list):
 676         count_text = self._get_text(data, *path_list) or ''
 677         count = parse_count(count_text)
 678         if count is None:
 679             count = str_to_int(
 680                 self._search_regex(r'^([\d,]+)', re.sub(r'\s', '', count_text), 'count', default=None))
 681         return count
 682
 683     @staticmethod
 684     def _extract_thumbnails(data, *path_list):
 685         """
 686         Extract thumbnails from thumbnails dict
 687         @param path_list: path list to level that contains 'thumbnails' key
 688         """
 689         thumbnails = []
 690         for path in path_list or [()]:
 691             for thumbnail in traverse_obj(data, (*variadic(path), 'thumbnails', ...), default=[]):
 692                 thumbnail_url = url_or_none(thumbnail.get('url'))
 693                 if not thumbnail_url:
 694                     continue
 695                 # Sometimes youtube gives a wrong thumbnail URL. See:
 696                 # https://github.com/yt-dlp/yt-dlp/issues/233
 697                 # https://github.com/ytdl-org/youtube-dl/issues/28023
 698                 if 'maxresdefault' in thumbnail_url:
 699                     thumbnail_url = thumbnail_url.split('?')[0]
 700                 thumbnails.append({
 701                     'url': thumbnail_url,
 702                     'height': int_or_none(thumbnail.get('height')),
 703                     'width': int_or_none(thumbnail.get('width')),
 704                 })
 705         return thumbnails
 706
 707     @staticmethod
 708     def extract_relative_time(relative_time_text):
 709         """
 710         Extracts a relative time from string and converts to dt object
 711         e.g. 'streamed 6 days ago', '5 seconds ago (edited)', 'updated today'
 712         """
 713         mobj = re.search(r'(?P<start>today|yesterday|now)|(?P<time>\d+)\s*(?P<unit>microsecond|second|minute|hour|day|week|month|year)s?\s*ago', relative_time_text)
 714         if mobj:
 715             start = mobj.group('start')
 716             if start:
 717                 return datetime_from_str(start)
 718             try:
 719                 return datetime_from_str('now-%s%s' % (mobj.group('time'), mobj.group('unit')))
 720             except ValueError:
 721                 return None
 722
 723     def _extract_time_text(self, renderer, *path_list):
 724         text = self._get_text(renderer, *path_list) or ''
 725         dt = self.extract_relative_time(text)
 726         timestamp = None
 727         if isinstance(dt, datetime.datetime):
 728             timestamp = calendar.timegm(dt.timetuple())
 729
 730         if timestamp is None:
 731             timestamp = (
 732                 unified_timestamp(text) or unified_timestamp(
 733                     self._search_regex(
 734                         (r'(?:.+|^)(?:live|premieres|ed|ing)(?:\s*on)?\s*(.+\d)', r'\w+[\s,\.-]*\w+[\s,\.-]+20\d{2}'),
 735                         text.lower(), 'time text', default=None)))
 736
 737         if text and timestamp is None:
 738             self.report_warning('Cannot parse localized time text' + bug_reports_message(), only_once=True)
 739         return timestamp, text
 740
 741     def _extract_response(self, item_id, query, note='Downloading API JSON', headers=None,
 742                           ytcfg=None, check_get_keys=None, ep='browse', fatal=True, api_hostname=None,
 743                           default_client='web'):
 744         response = None
 745         last_error = None
 746         count = -1
 747         retries = self.get_param('extractor_retries', 3)
 748         if check_get_keys is None:
 749             check_get_keys = []
 750         while count < retries:
 751             count += 1
 752             if last_error:
 753                 self.report_warning('%s. Retrying ...' % remove_end(last_error, '.'))
 754             try:
 755                 response = self._call_api(
 756                     ep=ep, fatal=True, headers=headers,
 757                     video_id=item_id, query=query,
 758                     context=self._extract_context(ytcfg, default_client),
 759                     api_key=self._extract_api_key(ytcfg, default_client),
 760                     api_hostname=api_hostname, default_client=default_client,
 761                     note='%s%s' % (note, ' (retry #%d)' % count if count else ''))
 762             except ExtractorError as e:
 763                 if isinstance(e.cause, network_exceptions):
 764                     if isinstance(e.cause, compat_HTTPError):
 765                         first_bytes = e.cause.read(512)
 766                         if not is_html(first_bytes):
 767                             yt_error = try_get(
 768                                 self._parse_json(
 769                                     self._webpage_read_content(e.cause, None, item_id, prefix=first_bytes) or '{}', item_id, fatal=False),
 770                                 lambda x: x['error']['message'], compat_str)
 771                             if yt_error:
 772                                 self._report_alerts([('ERROR', yt_error)], fatal=False)
 773                     # Downloading page may result in intermittent 5xx HTTP error
 774                     # Sometimes a 404 is also recieved. See: https://github.com/ytdl-org/youtube-dl/issues/28289
 775                     # We also want to catch all other network exceptions since errors in later pages can be troublesome
 776                     # See https://github.com/yt-dlp/yt-dlp/issues/507#issuecomment-880188210
 777                     if not isinstance(e.cause, compat_HTTPError) or e.cause.code not in (403, 429):
 778                         last_error = error_to_compat_str(e.cause or e.msg)
 779                         if count < retries:
 780                             continue
 781                 if fatal:
 782                     raise
 783                 else:
 784                     self.report_warning(error_to_compat_str(e))
 785                     return
 786
 787             else:
 788                 try:
 789                     self._extract_and_report_alerts(response, only_once=True)
 790                 except ExtractorError as e:
 791                     # YouTube servers may return errors we want to retry on in a 200 OK response
 792                     # See: https://github.com/yt-dlp/yt-dlp/issues/839
 793                     if 'unknown error' in e.msg.lower():
 794                         last_error = e.msg
 795                         continue
 796                     if fatal:
 797                         raise
 798                     self.report_warning(error_to_compat_str(e))
 799                     return
 800                 if not check_get_keys or dict_get(response, check_get_keys):
 801                     break
 802                 # Youtube sometimes sends incomplete data
 803                 # See: https://github.com/ytdl-org/youtube-dl/issues/28194
 804                 last_error = 'Incomplete data received'
 805                 if count >= retries:
 806                     if fatal:
 807                         raise ExtractorError(last_error)
 808                     else:
 809                         self.report_warning(last_error)
 810                         return
 811         return response
 812
 813     @staticmethod
 814     def is_music_url(url):
 815         return re.match(r'https?://music\.youtube\.com/', url) is not None
 816
 817     def _extract_video(self, renderer):
 818         video_id = renderer.get('videoId')
 819         title = self._get_text(renderer, 'title')
 820         description = self._get_text(renderer, 'descriptionSnippet')
 821         duration = parse_duration(self._get_text(
 822             renderer, 'lengthText', ('thumbnailOverlays', ..., 'thumbnailOverlayTimeStatusRenderer', 'text')))
 823         view_count = self._get_count(renderer, 'viewCountText')
 824
 825         uploader = self._get_text(renderer, 'ownerText', 'shortBylineText')
 826         channel_id = traverse_obj(
 827             renderer, ('shortBylineText', 'runs', ..., 'navigationEndpoint', 'browseEndpoint', 'browseId'), expected_type=str, get_all=False)
 828         timestamp, time_text = self._extract_time_text(renderer, 'publishedTimeText')
 829         scheduled_timestamp = str_to_int(traverse_obj(renderer, ('upcomingEventData', 'startTime'), get_all=False))
 830         overlay_style = traverse_obj(
 831             renderer, ('thumbnailOverlays', ..., 'thumbnailOverlayTimeStatusRenderer', 'style'), get_all=False, expected_type=str)
 832         badges = self._extract_badges(renderer)
 833         thumbnails = self._extract_thumbnails(renderer, 'thumbnail')
 834
 835         return {
 836             '_type': 'url',
 837             'ie_key': YoutubeIE.ie_key(),
 838             'id': video_id,
 839             'url': f'https://www.youtube.com/watch?v={video_id}',
 840             'title': title,
 841             'description': description,
 842             'duration': duration,
 843             'view_count': view_count,
 844             'uploader': uploader,
 845             'channel_id': channel_id,
 846             'thumbnails': thumbnails,
 847             #  'upload_date': strftime_or_none(timestamp, '%Y%m%d'),
 848             'live_status': ('is_upcoming' if scheduled_timestamp is not None
 849                             else 'was_live' if 'streamed' in time_text.lower()
 850                             else 'is_live' if overlay_style is not None and overlay_style == 'LIVE' or 'live now' in badges
 851                             else None),
 852             'release_timestamp': scheduled_timestamp,
 853             'availability': self._availability(needs_premium='premium' in badges, needs_subscription='members only' in badges)
 854         }
 855
 856
 857 class YoutubeIE(YoutubeBaseInfoExtractor):
 858     IE_DESC = 'YouTube'
 859     _VALID_URL = r"""(?x)^
 860                      (
 861                          (?:https?://|//)                                    # http(s):// or protocol-independent URL
 862                          (?:(?:(?:(?:\w+\.)?[yY][oO][uU][tT][uU][bB][eE](?:-nocookie|kids)?\.com|
 863                             (?:www\.)?deturl\.com/www\.youtube\.com|
 864                             (?:www\.)?pwnyoutube\.com|
 865                             (?:www\.)?hooktube\.com|
 866                             (?:www\.)?yourepeat\.com|
 867                             tube\.majestyc\.net|
 868                             %(invidious)s|
 869                             youtube\.googleapis\.com)/                        # the various hostnames, with wildcard subdomains
 870                          (?:.*?\#/)?                                          # handle anchor (#/) redirect urls
 871                          (?:                                                  # the various things that can precede the ID:
 872                              (?:(?:v|embed|e|shorts)/(?!videoseries|live_stream))  # v/ or embed/ or e/ or shorts/
 873                              |(?:                                             # or the v= param in all its forms
 874                                  (?:(?:watch|movie)(?:_popup)?(?:\.php)?/?)?  # preceding watch(_popup|.php) or nothing (like /?v=xxxx)
 875                                  (?:\?|\#!?)                                  # the params delimiter ? or # or #!
 876                                  (?:.*?[&;])??                                # any other preceding param (like /?s=tuff&v=xxxx or ?s=tuff&amp;v=V36LpHqtcDY)
 877                                  v=
 878                              )
 879                          ))
 880                          |(?:
 881                             youtu\.be|                                        # just youtu.be/xxxx
 882                             vid\.plus|                                        # or vid.plus/xxxx
 883                             zwearz\.com/watch|                                # or zwearz.com/watch/xxxx
 884                             %(invidious)s
 885                          )/
 886                          |(?:www\.)?cleanvideosearch\.com/media/action/yt/watch\?videoId=
 887                          )
 888                      )?                                                       # all until now is optional -> you can pass the naked ID
 889                      (?P<id>[0-9A-Za-z_-]{11})                                # here is it! the YouTube video ID
 890                      (?(1).+)?                                                # if we found the ID, everything can follow
 891                      (?:\#|$)""" % {
 892         'invidious': '|'.join(YoutubeBaseInfoExtractor._INVIDIOUS_SITES),
 893     }
 894     _PLAYER_INFO_RE = (
 895         r'/s/player/(?P<id>[a-zA-Z0-9_-]{8,})/player',
 896         r'/(?P<id>[a-zA-Z0-9_-]{8,})/player(?:_ias\.vflset(?:/[a-zA-Z]{2,3}_[a-zA-Z]{2,3})?|-plasma-ias-(?:phone|tablet)-[a-z]{2}_[A-Z]{2}\.vflset)/base\.js$',
 897         r'\b(?P<id>vfl[a-zA-Z0-9_-]+)\b.*?\.js$',
 898     )
 899     _formats = {
 900         '5': {'ext': 'flv', 'width': 400, 'height': 240, 'acodec': 'mp3', 'abr': 64, 'vcodec': 'h263'},
 901         '6': {'ext': 'flv', 'width': 450, 'height': 270, 'acodec': 'mp3', 'abr': 64, 'vcodec': 'h263'},
 902         '13': {'ext': '3gp', 'acodec': 'aac', 'vcodec': 'mp4v'},
 903         '17': {'ext': '3gp', 'width': 176, 'height': 144, 'acodec': 'aac', 'abr': 24, 'vcodec': 'mp4v'},
 904         '18': {'ext': 'mp4', 'width': 640, 'height': 360, 'acodec': 'aac', 'abr': 96, 'vcodec': 'h264'},
 905         '22': {'ext': 'mp4', 'width': 1280, 'height': 720, 'acodec': 'aac', 'abr': 192, 'vcodec': 'h264'},
 906         '34': {'ext': 'flv', 'width': 640, 'height': 360, 'acodec': 'aac', 'abr': 128, 'vcodec': 'h264'},
 907         '35': {'ext': 'flv', 'width': 854, 'height': 480, 'acodec': 'aac', 'abr': 128, 'vcodec': 'h264'},
 908         # itag 36 videos are either 320x180 (BaW_jenozKc) or 320x240 (__2ABJjxzNo), abr varies as well
 909         '36': {'ext': '3gp', 'width': 320, 'acodec': 'aac', 'vcodec': 'mp4v'},
 910         '37': {'ext': 'mp4', 'width': 1920, 'height': 1080, 'acodec': 'aac', 'abr': 192, 'vcodec': 'h264'},
 911         '38': {'ext': 'mp4', 'width': 4096, 'height': 3072, 'acodec': 'aac', 'abr': 192, 'vcodec': 'h264'},
 912         '43': {'ext': 'webm', 'width': 640, 'height': 360, 'acodec': 'vorbis', 'abr': 128, 'vcodec': 'vp8'},
 913         '44': {'ext': 'webm', 'width': 854, 'height': 480, 'acodec': 'vorbis', 'abr': 128, 'vcodec': 'vp8'},
 914         '45': {'ext': 'webm', 'width': 1280, 'height': 720, 'acodec': 'vorbis', 'abr': 192, 'vcodec': 'vp8'},
 915         '46': {'ext': 'webm', 'width': 1920, 'height': 1080, 'acodec': 'vorbis', 'abr': 192, 'vcodec': 'vp8'},
 916         '59': {'ext': 'mp4', 'width': 854, 'height': 480, 'acodec': 'aac', 'abr': 128, 'vcodec': 'h264'},
 917         '78': {'ext': 'mp4', 'width': 854, 'height': 480, 'acodec': 'aac', 'abr': 128, 'vcodec': 'h264'},
 918
 919
 920         # 3D videos
 921         '82': {'ext': 'mp4', 'height': 360, 'format_note': '3D', 'acodec': 'aac', 'abr': 128, 'vcodec': 'h264', 'preference': -20},
 922         '83': {'ext': 'mp4', 'height': 480, 'format_note': '3D', 'acodec': 'aac', 'abr': 128, 'vcodec': 'h264', 'preference': -20},
 923         '84': {'ext': 'mp4', 'height': 720, 'format_note': '3D', 'acodec': 'aac', 'abr': 192, 'vcodec': 'h264', 'preference': -20},
 924         '85': {'ext': 'mp4', 'height': 1080, 'format_note': '3D', 'acodec': 'aac', 'abr': 192, 'vcodec': 'h264', 'preference': -20},
 925         '100': {'ext': 'webm', 'height': 360, 'format_note': '3D', 'acodec': 'vorbis', 'abr': 128, 'vcodec': 'vp8', 'preference': -20},
 926         '101': {'ext': 'webm', 'height': 480, 'format_note': '3D', 'acodec': 'vorbis', 'abr': 192, 'vcodec': 'vp8', 'preference': -20},
 927         '102': {'ext': 'webm', 'height': 720, 'format_note': '3D', 'acodec': 'vorbis', 'abr': 192, 'vcodec': 'vp8', 'preference': -20},
 928
 929         # Apple HTTP Live Streaming
 930         '91': {'ext': 'mp4', 'height': 144, 'format_note': 'HLS', 'acodec': 'aac', 'abr': 48, 'vcodec': 'h264', 'preference': -10},
 931         '92': {'ext': 'mp4', 'height': 240, 'format_note': 'HLS', 'acodec': 'aac', 'abr': 48, 'vcodec': 'h264', 'preference': -10},
 932         '93': {'ext': 'mp4', 'height': 360, 'format_note': 'HLS', 'acodec': 'aac', 'abr': 128, 'vcodec': 'h264', 'preference': -10},
 933         '94': {'ext': 'mp4', 'height': 480, 'format_note': 'HLS', 'acodec': 'aac', 'abr': 128, 'vcodec': 'h264', 'preference': -10},
 934         '95': {'ext': 'mp4', 'height': 720, 'format_note': 'HLS', 'acodec': 'aac', 'abr': 256, 'vcodec': 'h264', 'preference': -10},
 935         '96': {'ext': 'mp4', 'height': 1080, 'format_note': 'HLS', 'acodec': 'aac', 'abr': 256, 'vcodec': 'h264', 'preference': -10},
 936         '132': {'ext': 'mp4', 'height': 240, 'format_note': 'HLS', 'acodec': 'aac', 'abr': 48, 'vcodec': 'h264', 'preference': -10},
 937         '151': {'ext': 'mp4', 'height': 72, 'format_note': 'HLS', 'acodec': 'aac', 'abr': 24, 'vcodec': 'h264', 'preference': -10},
 938
 939         # DASH mp4 video
 940         '133': {'ext': 'mp4', 'height': 240, 'format_note': 'DASH video', 'vcodec': 'h264'},
 941         '134': {'ext': 'mp4', 'height': 360, 'format_note': 'DASH video', 'vcodec': 'h264'},
 942         '135': {'ext': 'mp4', 'height': 480, 'format_note': 'DASH video', 'vcodec': 'h264'},
 943         '136': {'ext': 'mp4', 'height': 720, 'format_note': 'DASH video', 'vcodec': 'h264'},
 944         '137': {'ext': 'mp4', 'height': 1080, 'format_note': 'DASH video', 'vcodec': 'h264'},
 945         '138': {'ext': 'mp4', 'format_note': 'DASH video', 'vcodec': 'h264'},  # Height can vary (https://github.com/ytdl-org/youtube-dl/issues/4559)
 946         '160': {'ext': 'mp4', 'height': 144, 'format_note': 'DASH video', 'vcodec': 'h264'},
 947         '212': {'ext': 'mp4', 'height': 480, 'format_note': 'DASH video', 'vcodec': 'h264'},
 948         '264': {'ext': 'mp4', 'height': 1440, 'format_note': 'DASH video', 'vcodec': 'h264'},
 949         '298': {'ext': 'mp4', 'height': 720, 'format_note': 'DASH video', 'vcodec': 'h264', 'fps': 60},
 950         '299': {'ext': 'mp4', 'height': 1080, 'format_note': 'DASH video', 'vcodec': 'h264', 'fps': 60},
 951         '266': {'ext': 'mp4', 'height': 2160, 'format_note': 'DASH video', 'vcodec': 'h264'},
 952
 953         # Dash mp4 audio
 954         '139': {'ext': 'm4a', 'format_note': 'DASH audio', 'acodec': 'aac', 'abr': 48, 'container': 'm4a_dash'},
 955         '140': {'ext': 'm4a', 'format_note': 'DASH audio', 'acodec': 'aac', 'abr': 128, 'container': 'm4a_dash'},
 956         '141': {'ext': 'm4a', 'format_note': 'DASH audio', 'acodec': 'aac', 'abr': 256, 'container': 'm4a_dash'},
 957         '256': {'ext': 'm4a', 'format_note': 'DASH audio', 'acodec': 'aac', 'container': 'm4a_dash'},
 958         '258': {'ext': 'm4a', 'format_note': 'DASH audio', 'acodec': 'aac', 'container': 'm4a_dash'},
 959         '325': {'ext': 'm4a', 'format_note': 'DASH audio', 'acodec': 'dtse', 'container': 'm4a_dash'},
 960         '328': {'ext': 'm4a', 'format_note': 'DASH audio', 'acodec': 'ec-3', 'container': 'm4a_dash'},
 961
 962         # Dash webm
 963         '167': {'ext': 'webm', 'height': 360, 'width': 640, 'format_note': 'DASH video', 'container': 'webm', 'vcodec': 'vp8'},
 964         '168': {'ext': 'webm', 'height': 480, 'width': 854, 'format_note': 'DASH video', 'container': 'webm', 'vcodec': 'vp8'},
 965         '169': {'ext': 'webm', 'height': 720, 'width': 1280, 'format_note': 'DASH video', 'container': 'webm', 'vcodec': 'vp8'},
 966         '170': {'ext': 'webm', 'height': 1080, 'width': 1920, 'format_note': 'DASH video', 'container': 'webm', 'vcodec': 'vp8'},
 967         '218': {'ext': 'webm', 'height': 480, 'width': 854, 'format_note': 'DASH video', 'container': 'webm', 'vcodec': 'vp8'},
 968         '219': {'ext': 'webm', 'height': 480, 'width': 854, 'format_note': 'DASH video', 'container': 'webm', 'vcodec': 'vp8'},
 969         '278': {'ext': 'webm', 'height': 144, 'format_note': 'DASH video', 'container': 'webm', 'vcodec': 'vp9'},
 970         '242': {'ext': 'webm', 'height': 240, 'format_note': 'DASH video', 'vcodec': 'vp9'},
 971         '243': {'ext': 'webm', 'height': 360, 'format_note': 'DASH video', 'vcodec': 'vp9'},
 972         '244': {'ext': 'webm', 'height': 480, 'format_note': 'DASH video', 'vcodec': 'vp9'},
 973         '245': {'ext': 'webm', 'height': 480, 'format_note': 'DASH video', 'vcodec': 'vp9'},
 974         '246': {'ext': 'webm', 'height': 480, 'format_note': 'DASH video', 'vcodec': 'vp9'},
 975         '247': {'ext': 'webm', 'height': 720, 'format_note': 'DASH video', 'vcodec': 'vp9'},
 976         '248': {'ext': 'webm', 'height': 1080, 'format_note': 'DASH video', 'vcodec': 'vp9'},
 977         '271': {'ext': 'webm', 'height': 1440, 'format_note': 'DASH video', 'vcodec': 'vp9'},
 978         # itag 272 videos are either 3840x2160 (e.g. RtoitU2A-3E) or 7680x4320 (sLprVF6d7Ug)
 979         '272': {'ext': 'webm', 'height': 2160, 'format_note': 'DASH video', 'vcodec': 'vp9'},
 980         '302': {'ext': 'webm', 'height': 720, 'format_note': 'DASH video', 'vcodec': 'vp9', 'fps': 60},
 981         '303': {'ext': 'webm', 'height': 1080, 'format_note': 'DASH video', 'vcodec': 'vp9', 'fps': 60},
 982         '308': {'ext': 'webm', 'height': 1440, 'format_note': 'DASH video', 'vcodec': 'vp9', 'fps': 60},
 983         '313': {'ext': 'webm', 'height': 2160, 'format_note': 'DASH video', 'vcodec': 'vp9'},
 984         '315': {'ext': 'webm', 'height': 2160, 'format_note': 'DASH video', 'vcodec': 'vp9', 'fps': 60},
 985
 986         # Dash webm audio
 987         '171': {'ext': 'webm', 'acodec': 'vorbis', 'format_note': 'DASH audio', 'abr': 128},
 988         '172': {'ext': 'webm', 'acodec': 'vorbis', 'format_note': 'DASH audio', 'abr': 256},
 989
 990         # Dash webm audio with opus inside
 991         '249': {'ext': 'webm', 'format_note': 'DASH audio', 'acodec': 'opus', 'abr': 50},
 992         '250': {'ext': 'webm', 'format_note': 'DASH audio', 'acodec': 'opus', 'abr': 70},
 993         '251': {'ext': 'webm', 'format_note': 'DASH audio', 'acodec': 'opus', 'abr': 160},
 994
 995         # RTMP (unnamed)
 996         '_rtmp': {'protocol': 'rtmp'},
 997
 998         # av01 video only formats sometimes served with "unknown" codecs
 999         '394': {'ext': 'mp4', 'height': 144, 'format_note': 'DASH video', 'vcodec': 'av01.0.00M.08'},
1000         '395': {'ext': 'mp4', 'height': 240, 'format_note': 'DASH video', 'vcodec': 'av01.0.00M.08'},
1001         '396': {'ext': 'mp4', 'height': 360, 'format_note': 'DASH video', 'vcodec': 'av01.0.01M.08'},
1002         '397': {'ext': 'mp4', 'height': 480, 'format_note': 'DASH video', 'vcodec': 'av01.0.04M.08'},
1003         '398': {'ext': 'mp4', 'height': 720, 'format_note': 'DASH video', 'vcodec': 'av01.0.05M.08'},
1004         '399': {'ext': 'mp4', 'height': 1080, 'format_note': 'DASH video', 'vcodec': 'av01.0.08M.08'},
1005         '400': {'ext': 'mp4', 'height': 1440, 'format_note': 'DASH video', 'vcodec': 'av01.0.12M.08'},
1006         '401': {'ext': 'mp4', 'height': 2160, 'format_note': 'DASH video', 'vcodec': 'av01.0.12M.08'},
1007     }
1008     _SUBTITLE_FORMATS = ('json3', 'srv1', 'srv2', 'srv3', 'ttml', 'vtt')
1009
1010     _GEO_BYPASS = False
1011
1012     IE_NAME = 'youtube'
1013     _TESTS = [
1014         {
1015             'url': 'https://www.youtube.com/watch?v=BaW_jenozKc&t=1s&end=9',
1016             'info_dict': {
1017                 'id': 'BaW_jenozKc',
1018                 'ext': 'mp4',
1019                 'title': 'youtube-dl test video "\'/\\ä↭𝕐',
1020                 'uploader': 'Philipp Hagemeister',
1021                 'uploader_id': 'phihag',
1022                 'uploader_url': r're:https?://(?:www\.)?youtube\.com/user/phihag',
1023                 'channel': 'Philipp Hagemeister',
1024                 'channel_id': 'UCLqxVugv74EIW3VWh2NOa3Q',
1025                 'channel_url': r're:https?://(?:www\.)?youtube\.com/channel/UCLqxVugv74EIW3VWh2NOa3Q',
1026                 'upload_date': '20121002',
1027                 'description': 'md5:8fb536f4877b8a7455c2ec23794dbc22',
1028                 'categories': ['Science & Technology'],
1029                 'tags': ['youtube-dl'],
1030                 'duration': 10,
1031                 'view_count': int,
1032                 'like_count': int,
1033                 'availability': 'public',
1034                 'playable_in_embed': True,
1035                 'thumbnail': 'https://i.ytimg.com/vi/BaW_jenozKc/maxresdefault.jpg',
1036                 'live_status': 'not_live',
1037                 'age_limit': 0,
1038                 'start_time': 1,
1039                 'end_time': 9,
1040                 'channel_follower_count': int
1041             }
1042         },
1043         {
1044             'url': '//www.YouTube.com/watch?v=yZIXLfi8CZQ',
1045             'note': 'Embed-only video (#1746)',
1046             'info_dict': {
1047                 'id': 'yZIXLfi8CZQ',
1048                 'ext': 'mp4',
1049                 'upload_date': '20120608',
1050                 'title': 'Principal Sexually Assaults A Teacher - Episode 117 - 8th June 2012',
1051                 'description': 'md5:09b78bd971f1e3e289601dfba15ca4f7',
1052                 'uploader': 'SET India',
1053                 'uploader_id': 'setindia',
1054                 'uploader_url': r're:https?://(?:www\.)?youtube\.com/user/setindia',
1055                 'age_limit': 18,
1056             },
1057             'skip': 'Private video',
1058         },
1059         {
1060             'url': 'https://www.youtube.com/watch?v=BaW_jenozKc&v=yZIXLfi8CZQ',
1061             'note': 'Use the first video ID in the URL',
1062             'info_dict': {
1063                 'id': 'BaW_jenozKc',
1064                 'ext': 'mp4',
1065                 'title': 'youtube-dl test video "\'/\\ä↭𝕐',
1066                 'uploader': 'Philipp Hagemeister',
1067                 'uploader_id': 'phihag',
1068                 'uploader_url': r're:https?://(?:www\.)?youtube\.com/user/phihag',
1069                 'channel': 'Philipp Hagemeister',
1070                 'channel_id': 'UCLqxVugv74EIW3VWh2NOa3Q',
1071                 'channel_url': r're:https?://(?:www\.)?youtube\.com/channel/UCLqxVugv74EIW3VWh2NOa3Q',
1072                 'upload_date': '20121002',
1073                 'description': 'md5:8fb536f4877b8a7455c2ec23794dbc22',
1074                 'categories': ['Science & Technology'],
1075                 'tags': ['youtube-dl'],
1076                 'duration': 10,
1077                 'view_count': int,
1078                 'like_count': int,
1079                 'availability': 'public',
1080                 'playable_in_embed': True,
1081                 'thumbnail': 'https://i.ytimg.com/vi/BaW_jenozKc/maxresdefault.jpg',
1082                 'live_status': 'not_live',
1083                 'age_limit': 0,
1084                 'channel_follower_count': int
1085             },
1086             'params': {
1087                 'skip_download': True,
1088             },
1089         },
1090         {
1091             'url': 'https://www.youtube.com/watch?v=a9LDPn-MO4I',
1092             'note': '256k DASH audio (format 141) via DASH manifest',
1093             'info_dict': {
1094                 'id': 'a9LDPn-MO4I',
1095                 'ext': 'm4a',
1096                 'upload_date': '20121002',
1097                 'uploader_id': '8KVIDEO',
1098                 'uploader_url': r're:https?://(?:www\.)?youtube\.com/user/8KVIDEO',
1099                 'description': '',
1100                 'uploader': '8KVIDEO',
1101                 'title': 'UHDTV TEST 8K VIDEO.mp4'
1102             },
1103             'params': {
1104                 'youtube_include_dash_manifest': True,
1105                 'format': '141',
1106             },
1107             'skip': 'format 141 not served anymore',
1108         },
1109         # DASH manifest with encrypted signature
1110         {
1111             'url': 'https://www.youtube.com/watch?v=IB3lcPjvWLA',
1112             'info_dict': {
1113                 'id': 'IB3lcPjvWLA',
1114                 'ext': 'm4a',
1115                 'title': 'Afrojack, Spree Wilson - The Spark (Official Music Video) ft. Spree Wilson',
1116                 'description': 'md5:8f5e2b82460520b619ccac1f509d43bf',
1117                 'duration': 244,
1118                 'uploader': 'AfrojackVEVO',
1119                 'uploader_id': 'AfrojackVEVO',
1120                 'upload_date': '20131011',
1121                 'abr': 129.495,
1122                 'like_count': int,
1123                 'channel_id': 'UChuZAo1RKL85gev3Eal9_zg',
1124                 'playable_in_embed': True,
1125                 'channel_url': 'https://www.youtube.com/channel/UChuZAo1RKL85gev3Eal9_zg',
1126                 'view_count': int,
1127                 'track': 'The Spark',
1128                 'live_status': 'not_live',
1129                 'thumbnail': 'https://i.ytimg.com/vi_webp/IB3lcPjvWLA/maxresdefault.webp',
1130                 'channel': 'Afrojack',
1131                 'uploader_url': 'http://www.youtube.com/user/AfrojackVEVO',
1132                 'tags': 'count:19',
1133                 'availability': 'public',
1134                 'categories': ['Music'],
1135                 'age_limit': 0,
1136                 'alt_title': 'The Spark',
1137                 'channel_follower_count': int
1138             },
1139             'params': {
1140                 'youtube_include_dash_manifest': True,
1141                 'format': '141/bestaudio[ext=m4a]',
1142             },
1143         },
1144         # Age-gate videos. See https://github.com/yt-dlp/yt-dlp/pull/575#issuecomment-888837000
1145         {
1146             'note': 'Embed allowed age-gate video',
1147             'url': 'https://youtube.com/watch?v=HtVdAasjOgU',
1148             'info_dict': {
1149                 'id': 'HtVdAasjOgU',
1150                 'ext': 'mp4',
1151                 'title': 'The Witcher 3: Wild Hunt - The Sword Of Destiny Trailer',
1152                 'description': r're:(?s).{100,}About the Game\n.*?The Witcher 3: Wild Hunt.{100,}',
1153                 'duration': 142,
1154                 'uploader': 'The Witcher',
1155                 'uploader_id': 'WitcherGame',
1156                 'uploader_url': r're:https?://(?:www\.)?youtube\.com/user/WitcherGame',
1157                 'upload_date': '20140605',
1158                 'age_limit': 18,
1159                 'categories': ['Gaming'],
1160                 'thumbnail': 'https://i.ytimg.com/vi_webp/HtVdAasjOgU/maxresdefault.webp',
1161                 'availability': 'needs_auth',
1162                 'channel_url': 'https://www.youtube.com/channel/UCzybXLxv08IApdjdN0mJhEg',
1163                 'like_count': int,
1164                 'channel': 'The Witcher',
1165                 'live_status': 'not_live',
1166                 'tags': 'count:17',
1167                 'channel_id': 'UCzybXLxv08IApdjdN0mJhEg',
1168                 'playable_in_embed': True,
1169                 'view_count': int,
1170                 'channel_follower_count': int
1171             },
1172         },
1173         {
1174             'note': 'Age-gate video with embed allowed in public site',
1175             'url': 'https://youtube.com/watch?v=HsUATh_Nc2U',
1176             'info_dict': {
1177                 'id': 'HsUATh_Nc2U',
1178                 'ext': 'mp4',
1179                 'title': 'Godzilla 2 (Official Video)',
1180                 'description': 'md5:bf77e03fcae5529475e500129b05668a',
1181                 'upload_date': '20200408',
1182                 'uploader_id': 'FlyingKitty900',
1183                 'uploader': 'FlyingKitty',
1184                 'age_limit': 18,
1185                 'availability': 'needs_auth',
1186                 'channel_id': 'UCYQT13AtrJC0gsM1far_zJg',
1187                 'uploader_url': 'http://www.youtube.com/user/FlyingKitty900',
1188                 'channel': 'FlyingKitty',
1189                 'channel_url': 'https://www.youtube.com/channel/UCYQT13AtrJC0gsM1far_zJg',
1190                 'view_count': int,
1191                 'categories': ['Entertainment'],
1192                 'live_status': 'not_live',
1193                 'tags': ['Flyingkitty', 'godzilla 2'],
1194                 'thumbnail': 'https://i.ytimg.com/vi/HsUATh_Nc2U/maxresdefault.jpg',
1195                 'like_count': int,
1196                 'duration': 177,
1197                 'playable_in_embed': True,
1198                 'channel_follower_count': int
1199             },
1200         },
1201         {
1202             'note': 'Age-gate video embedable only with clientScreen=EMBED',
1203             'url': 'https://youtube.com/watch?v=Tq92D6wQ1mg',
1204             'info_dict': {
1205                 'id': 'Tq92D6wQ1mg',
1206                 'title': '[MMD] Adios - EVERGLOW [+Motion DL]',
1207                 'ext': 'mp4',
1208                 'upload_date': '20191227',
1209                 'uploader_id': 'UC1yoRdFoFJaCY-AGfD9W0wQ',
1210                 'uploader': 'Projekt Melody',
1211                 'description': 'md5:17eccca93a786d51bc67646756894066',
1212                 'age_limit': 18,
1213                 'like_count': int,
1214                 'availability': 'needs_auth',
1215                 'uploader_url': 'http://www.youtube.com/channel/UC1yoRdFoFJaCY-AGfD9W0wQ',
1216                 'channel_id': 'UC1yoRdFoFJaCY-AGfD9W0wQ',
1217                 'view_count': int,
1218                 'thumbnail': 'https://i.ytimg.com/vi_webp/Tq92D6wQ1mg/sddefault.webp',
1219                 'channel': 'Projekt Melody',
1220                 'live_status': 'not_live',
1221                 'tags': ['mmd', 'dance', 'mikumikudance', 'kpop', 'vtuber'],
1222                 'playable_in_embed': True,
1223                 'categories': ['Entertainment'],
1224                 'duration': 106,
1225                 'channel_url': 'https://www.youtube.com/channel/UC1yoRdFoFJaCY-AGfD9W0wQ',
1226                 'channel_follower_count': int
1227             },
1228         },
1229         {
1230             'note': 'Non-Agegated non-embeddable video',
1231             'url': 'https://youtube.com/watch?v=MeJVWBSsPAY',
1232             'info_dict': {
1233                 'id': 'MeJVWBSsPAY',
1234                 'ext': 'mp4',
1235                 'title': 'OOMPH! - Such Mich Find Mich (Lyrics)',
1236                 'uploader': 'Herr Lurik',
1237                 'uploader_id': 'st3in234',
1238                 'description': 'Fan Video. Music & Lyrics by OOMPH!.',
1239                 'upload_date': '20130730',
1240                 'track': 'Such mich find mich',
1241                 'age_limit': 0,
1242                 'tags': ['oomph', 'such mich find mich', 'lyrics', 'german industrial', 'musica industrial'],
1243                 'like_count': int,
1244                 'playable_in_embed': False,
1245                 'creator': 'OOMPH!',
1246                 'thumbnail': 'https://i.ytimg.com/vi/MeJVWBSsPAY/sddefault.jpg',
1247                 'view_count': int,
1248                 'alt_title': 'Such mich find mich',
1249                 'duration': 210,
1250                 'channel': 'Herr Lurik',
1251                 'channel_id': 'UCdR3RSDPqub28LjZx0v9-aA',
1252                 'categories': ['Music'],
1253                 'availability': 'public',
1254                 'uploader_url': 'http://www.youtube.com/user/st3in234',
1255                 'channel_url': 'https://www.youtube.com/channel/UCdR3RSDPqub28LjZx0v9-aA',
1256                 'live_status': 'not_live',
1257                 'artist': 'OOMPH!',
1258                 'channel_follower_count': int
1259             },
1260         },
1261         {
1262             'note': 'Non-bypassable age-gated video',
1263             'url': 'https://youtube.com/watch?v=Cr381pDsSsA',
1264             'only_matching': True,
1265         },
1266         # video_info is None (https://github.com/ytdl-org/youtube-dl/issues/4421)
1267         # YouTube Red ad is not captured for creator
1268         {
1269             'url': '__2ABJjxzNo',
1270             'info_dict': {
1271                 'id': '__2ABJjxzNo',
1272                 'ext': 'mp4',
1273                 'duration': 266,
1274                 'upload_date': '20100430',
1275                 'uploader_id': 'deadmau5',
1276                 'uploader_url': r're:https?://(?:www\.)?youtube\.com/user/deadmau5',
1277                 'creator': 'deadmau5',
1278                 'description': 'md5:6cbcd3a92ce1bc676fc4d6ab4ace2336',
1279                 'uploader': 'deadmau5',
1280                 'title': 'Deadmau5 - Some Chords (HD)',
1281                 'alt_title': 'Some Chords',
1282                 'availability': 'public',
1283                 'tags': 'count:14',
1284                 'channel_id': 'UCYEK6xds6eo-3tr4xRdflmQ',
1285                 'view_count': int,
1286                 'live_status': 'not_live',
1287                 'channel': 'deadmau5',
1288                 'thumbnail': 'https://i.ytimg.com/vi_webp/__2ABJjxzNo/maxresdefault.webp',
1289                 'like_count': int,
1290                 'track': 'Some Chords',
1291                 'artist': 'deadmau5',
1292                 'playable_in_embed': True,
1293                 'age_limit': 0,
1294                 'channel_url': 'https://www.youtube.com/channel/UCYEK6xds6eo-3tr4xRdflmQ',
1295                 'categories': ['Music'],
1296                 'album': 'Some Chords',
1297                 'channel_follower_count': int
1298             },
1299             'expected_warnings': [
1300                 'DASH manifest missing',
1301             ]
1302         },
1303         # Olympics (https://github.com/ytdl-org/youtube-dl/issues/4431)
1304         {
1305             'url': 'lqQg6PlCWgI',
1306             'info_dict': {
1307                 'id': 'lqQg6PlCWgI',
1308                 'ext': 'mp4',
1309                 'duration': 6085,
1310                 'upload_date': '20150827',
1311                 'uploader_id': 'olympic',
1312                 'uploader_url': r're:https?://(?:www\.)?youtube\.com/user/olympic',
1313                 'description': 'HO09  - Women -  GER-AUS - Hockey - 31 July 2012 - London 2012 Olympic Games',
1314                 'uploader': 'Olympics',
1315                 'title': 'Hockey - Women -  GER-AUS - London 2012 Olympic Games',
1316                 'like_count': int,
1317                 'release_timestamp': 1343767800,
1318                 'playable_in_embed': True,
1319                 'categories': ['Sports'],
1320                 'release_date': '20120731',
1321                 'channel': 'Olympics',
1322                 'tags': ['Hockey', '2012-07-31', '31 July 2012', 'Riverbank Arena', 'Session', 'Olympics', 'Olympic Games', 'London 2012', '2012 Summer Olympics', 'Summer Games'],
1323                 'channel_id': 'UCTl3QQTvqHFjurroKxexy2Q',
1324                 'thumbnail': 'https://i.ytimg.com/vi/lqQg6PlCWgI/maxresdefault.jpg',
1325                 'age_limit': 0,
1326                 'availability': 'public',
1327                 'live_status': 'was_live',
1328                 'view_count': int,
1329                 'channel_url': 'https://www.youtube.com/channel/UCTl3QQTvqHFjurroKxexy2Q',
1330                 'channel_follower_count': int
1331             },
1332             'params': {
1333                 'skip_download': 'requires avconv',
1334             }
1335         },
1336         # Non-square pixels
1337         {
1338             'url': 'https://www.youtube.com/watch?v=_b-2C3KPAM0',
1339             'info_dict': {
1340                 'id': '_b-2C3KPAM0',
1341                 'ext': 'mp4',
1342                 'stretched_ratio': 16 / 9.,
1343                 'duration': 85,
1344                 'upload_date': '20110310',
1345                 'uploader_id': 'AllenMeow',
1346                 'uploader_url': r're:https?://(?:www\.)?youtube\.com/user/AllenMeow',
1347                 'description': 'made by Wacom from Korea | 字幕&加油添醋 by TY\'s Allen | 感謝heylisa00cavey1001同學熱情提供梗及翻譯',
1348                 'uploader': '孫ᄋᄅ',
1349                 'title': '[A-made] 變態妍字幕版 太妍 我就是這樣的人',
1350                 'playable_in_embed': True,
1351                 'channel': '孫ᄋᄅ',
1352                 'age_limit': 0,
1353                 'tags': 'count:11',
1354                 'channel_url': 'https://www.youtube.com/channel/UCS-xxCmRaA6BFdmgDPA_BIw',
1355                 'channel_id': 'UCS-xxCmRaA6BFdmgDPA_BIw',
1356                 'thumbnail': 'https://i.ytimg.com/vi/_b-2C3KPAM0/maxresdefault.jpg',
1357                 'view_count': int,
1358                 'categories': ['People & Blogs'],
1359                 'like_count': int,
1360                 'live_status': 'not_live',
1361                 'availability': 'unlisted',
1362                 'channel_follower_count': int
1363             },
1364         },
1365         # url_encoded_fmt_stream_map is empty string
1366         {
1367             'url': 'qEJwOuvDf7I',
1368             'info_dict': {
1369                 'id': 'qEJwOuvDf7I',
1370                 'ext': 'webm',
1371                 'title': 'Обсуждение судебной практики по выборам 14 сентября 2014 года в Санкт-Петербурге',
1372                 'description': '',
1373                 'upload_date': '20150404',
1374                 'uploader_id': 'spbelect',
1375                 'uploader': 'Наблюдатели Петербурга',
1376             },
1377             'params': {
1378                 'skip_download': 'requires avconv',
1379             },
1380             'skip': 'This live event has ended.',
1381         },
1382         # Extraction from multiple DASH manifests (https://github.com/ytdl-org/youtube-dl/pull/6097)
1383         {
1384             'url': 'https://www.youtube.com/watch?v=FIl7x6_3R5Y',
1385             'info_dict': {
1386                 'id': 'FIl7x6_3R5Y',
1387                 'ext': 'webm',
1388                 'title': 'md5:7b81415841e02ecd4313668cde88737a',
1389                 'description': 'md5:116377fd2963b81ec4ce64b542173306',
1390                 'duration': 220,
1391                 'upload_date': '20150625',
1392                 'uploader_id': 'dorappi2000',
1393                 'uploader_url': r're:https?://(?:www\.)?youtube\.com/user/dorappi2000',
1394                 'uploader': 'dorappi2000',
1395                 'formats': 'mincount:31',
1396             },
1397             'skip': 'not actual anymore',
1398         },
1399         # DASH manifest with segment_list
1400         {
1401             'url': 'https://www.youtube.com/embed/CsmdDsKjzN8',
1402             'md5': '8ce563a1d667b599d21064e982ab9e31',
1403             'info_dict': {
1404                 'id': 'CsmdDsKjzN8',
1405                 'ext': 'mp4',
1406                 'upload_date': '20150501',  # According to '<meta itemprop="datePublished"', but in other places it's 20150510
1407                 'uploader': 'Airtek',
1408                 'description': 'Retransmisión en directo de la XVIII media maratón de Zaragoza.',
1409                 'uploader_id': 'UCzTzUmjXxxacNnL8I3m4LnQ',
1410                 'title': 'Retransmisión XVIII Media maratón Zaragoza 2015',
1411             },
1412             'params': {
1413                 'youtube_include_dash_manifest': True,
1414                 'format': '135',  # bestvideo
1415             },
1416             'skip': 'This live event has ended.',
1417         },
1418         {
1419             # Multifeed videos (multiple cameras), URL is for Main Camera
1420             'url': 'https://www.youtube.com/watch?v=jvGDaLqkpTg',
1421             'info_dict': {
1422                 'id': 'jvGDaLqkpTg',
1423                 'title': 'Tom Clancy Free Weekend Rainbow Whatever',
1424                 'description': 'md5:e03b909557865076822aa169218d6a5d',
1425             },
1426             'playlist': [{
1427                 'info_dict': {
1428                     'id': 'jvGDaLqkpTg',
1429                     'ext': 'mp4',
1430                     'title': 'Tom Clancy Free Weekend Rainbow Whatever (Main Camera)',
1431                     'description': 'md5:e03b909557865076822aa169218d6a5d',
1432                     'duration': 10643,
1433                     'upload_date': '20161111',
1434                     'uploader': 'Team PGP',
1435                     'uploader_id': 'UChORY56LMMETTuGjXaJXvLg',
1436                     'uploader_url': r're:https?://(?:www\.)?youtube\.com/channel/UChORY56LMMETTuGjXaJXvLg',
1437                 },
1438             }, {
1439                 'info_dict': {
1440                     'id': '3AKt1R1aDnw',
1441                     'ext': 'mp4',
1442                     'title': 'Tom Clancy Free Weekend Rainbow Whatever (Camera 2)',
1443                     'description': 'md5:e03b909557865076822aa169218d6a5d',
1444                     'duration': 10991,
1445                     'upload_date': '20161111',
1446                     'uploader': 'Team PGP',
1447                     'uploader_id': 'UChORY56LMMETTuGjXaJXvLg',
1448                     'uploader_url': r're:https?://(?:www\.)?youtube\.com/channel/UChORY56LMMETTuGjXaJXvLg',
1449                 },
1450             }, {
1451                 'info_dict': {
1452                     'id': 'RtAMM00gpVc',
1453                     'ext': 'mp4',
1454                     'title': 'Tom Clancy Free Weekend Rainbow Whatever (Camera 3)',
1455                     'description': 'md5:e03b909557865076822aa169218d6a5d',
1456                     'duration': 10995,
1457                     'upload_date': '20161111',
1458                     'uploader': 'Team PGP',
1459                     'uploader_id': 'UChORY56LMMETTuGjXaJXvLg',
1460                     'uploader_url': r're:https?://(?:www\.)?youtube\.com/channel/UChORY56LMMETTuGjXaJXvLg',
1461                 },
1462             }, {
1463                 'info_dict': {
1464                     'id': '6N2fdlP3C5U',
1465                     'ext': 'mp4',
1466                     'title': 'Tom Clancy Free Weekend Rainbow Whatever (Camera 4)',
1467                     'description': 'md5:e03b909557865076822aa169218d6a5d',
1468                     'duration': 10990,
1469                     'upload_date': '20161111',
1470                     'uploader': 'Team PGP',
1471                     'uploader_id': 'UChORY56LMMETTuGjXaJXvLg',
1472                     'uploader_url': r're:https?://(?:www\.)?youtube\.com/channel/UChORY56LMMETTuGjXaJXvLg',
1473                 },
1474             }],
1475             'params': {
1476                 'skip_download': True,
1477             },
1478             'skip': 'Not multifeed anymore',
1479         },
1480         {
1481             # Multifeed video with comma in title (see https://github.com/ytdl-org/youtube-dl/issues/8536)
1482             'url': 'https://www.youtube.com/watch?v=gVfLd0zydlo',
1483             'info_dict': {
1484                 'id': 'gVfLd0zydlo',
1485                 'title': 'DevConf.cz 2016 Day 2 Workshops 1 14:00 - 15:30',
1486             },
1487             'playlist_count': 2,
1488             'skip': 'Not multifeed anymore',
1489         },
1490         {
1491             'url': 'https://vid.plus/FlRa-iH7PGw',
1492             'only_matching': True,
1493         },
1494         {
1495             'url': 'https://zwearz.com/watch/9lWxNJF-ufM/electra-woman-dyna-girl-official-trailer-grace-helbig.html',
1496             'only_matching': True,
1497         },
1498         {
1499             # Title with JS-like syntax "};" (see https://github.com/ytdl-org/youtube-dl/issues/7468)
1500             # Also tests cut-off URL expansion in video description (see
1501             # https://github.com/ytdl-org/youtube-dl/issues/1892,
1502             # https://github.com/ytdl-org/youtube-dl/issues/8164)
1503             'url': 'https://www.youtube.com/watch?v=lsguqyKfVQg',
1504             'info_dict': {
1505                 'id': 'lsguqyKfVQg',
1506                 'ext': 'mp4',
1507                 'title': '{dark walk}; Loki/AC/Dishonored; collab w/Elflover21',
1508                 'alt_title': 'Dark Walk',
1509                 'description': 'md5:8085699c11dc3f597ce0410b0dcbb34a',
1510                 'duration': 133,
1511                 'upload_date': '20151119',
1512                 'uploader_id': 'IronSoulElf',
1513                 'uploader_url': r're:https?://(?:www\.)?youtube\.com/user/IronSoulElf',
1514                 'uploader': 'IronSoulElf',
1515                 'creator': 'Todd Haberman;\nDaniel Law Heath and Aaron Kaplan',
1516                 'track': 'Dark Walk',
1517                 'artist': 'Todd Haberman;\nDaniel Law Heath and Aaron Kaplan',
1518                 'album': 'Position Music - Production Music Vol. 143 - Dark Walk',
1519                 'thumbnail': 'https://i.ytimg.com/vi_webp/lsguqyKfVQg/maxresdefault.webp',
1520                 'categories': ['Film & Animation'],
1521                 'view_count': int,
1522                 'live_status': 'not_live',
1523                 'channel_url': 'https://www.youtube.com/channel/UCTSRgz5jylBvFt_S7wnsqLQ',
1524                 'channel_id': 'UCTSRgz5jylBvFt_S7wnsqLQ',
1525                 'tags': 'count:13',
1526                 'availability': 'public',
1527                 'channel': 'IronSoulElf',
1528                 'playable_in_embed': True,
1529                 'like_count': int,
1530                 'age_limit': 0,
1531                 'channel_follower_count': int
1532             },
1533             'params': {
1534                 'skip_download': True,
1535             },
1536         },
1537         {
1538             # Tags with '};' (see https://github.com/ytdl-org/youtube-dl/issues/7468)
1539             'url': 'https://www.youtube.com/watch?v=Ms7iBXnlUO8',
1540             'only_matching': True,
1541         },
1542         {
1543             # Video with yt:stretch=17:0
1544             'url': 'https://www.youtube.com/watch?v=Q39EVAstoRM',
1545             'info_dict': {
1546                 'id': 'Q39EVAstoRM',
1547                 'ext': 'mp4',
1548                 'title': 'Clash Of Clans#14 Dicas De Ataque Para CV 4',
1549                 'description': 'md5:ee18a25c350637c8faff806845bddee9',
1550                 'upload_date': '20151107',
1551                 'uploader_id': 'UCCr7TALkRbo3EtFzETQF1LA',
1552                 'uploader': 'CH GAMER DROID',
1553             },
1554             'params': {
1555                 'skip_download': True,
1556             },
1557             'skip': 'This video does not exist.',
1558         },
1559         {
1560             # Video with incomplete 'yt:stretch=16:'
1561             'url': 'https://www.youtube.com/watch?v=FRhJzUSJbGI',
1562             'only_matching': True,
1563         },
1564         {
1565             # Video licensed under Creative Commons
1566             'url': 'https://www.youtube.com/watch?v=M4gD1WSo5mA',
1567             'info_dict': {
1568                 'id': 'M4gD1WSo5mA',
1569                 'ext': 'mp4',
1570                 'title': 'md5:e41008789470fc2533a3252216f1c1d1',
1571                 'description': 'md5:a677553cf0840649b731a3024aeff4cc',
1572                 'duration': 721,
1573                 'upload_date': '20150127',
1574                 'uploader_id': 'BerkmanCenter',
1575                 'uploader_url': r're:https?://(?:www\.)?youtube\.com/user/BerkmanCenter',
1576                 'uploader': 'The Berkman Klein Center for Internet & Society',
1577                 'license': 'Creative Commons Attribution license (reuse allowed)',
1578                 'channel_id': 'UCuLGmD72gJDBwmLw06X58SA',
1579                 'channel_url': 'https://www.youtube.com/channel/UCuLGmD72gJDBwmLw06X58SA',
1580                 'like_count': int,
1581                 'age_limit': 0,
1582                 'tags': ['Copyright (Legal Subject)', 'Law (Industry)', 'William W. Fisher (Author)'],
1583                 'channel': 'The Berkman Klein Center for Internet & Society',
1584                 'availability': 'public',
1585                 'view_count': int,
1586                 'categories': ['Education'],
1587                 'thumbnail': 'https://i.ytimg.com/vi_webp/M4gD1WSo5mA/maxresdefault.webp',
1588                 'live_status': 'not_live',
1589                 'playable_in_embed': True,
1590                 'channel_follower_count': int
1591             },
1592             'params': {
1593                 'skip_download': True,
1594             },
1595         },
1596         {
1597             # Channel-like uploader_url
1598             'url': 'https://www.youtube.com/watch?v=eQcmzGIKrzg',
1599             'info_dict': {
1600                 'id': 'eQcmzGIKrzg',
1601                 'ext': 'mp4',
1602                 'title': 'Democratic Socialism and Foreign Policy | Bernie Sanders',
1603                 'description': 'md5:13a2503d7b5904ef4b223aa101628f39',
1604                 'duration': 4060,
1605                 'upload_date': '20151119',
1606                 'uploader': 'Bernie Sanders',
1607                 'uploader_id': 'UCH1dpzjCEiGAt8CXkryhkZg',
1608                 'uploader_url': r're:https?://(?:www\.)?youtube\.com/channel/UCH1dpzjCEiGAt8CXkryhkZg',
1609                 'license': 'Creative Commons Attribution license (reuse allowed)',
1610                 'playable_in_embed': True,
1611                 'tags': 'count:12',
1612                 'like_count': int,
1613                 'channel_id': 'UCH1dpzjCEiGAt8CXkryhkZg',
1614                 'age_limit': 0,
1615                 'availability': 'public',
1616                 'categories': ['News & Politics'],
1617                 'channel': 'Bernie Sanders',
1618                 'thumbnail': 'https://i.ytimg.com/vi_webp/eQcmzGIKrzg/maxresdefault.webp',
1619                 'view_count': int,
1620                 'live_status': 'not_live',
1621                 'channel_url': 'https://www.youtube.com/channel/UCH1dpzjCEiGAt8CXkryhkZg',
1622                 'channel_follower_count': int
1623             },
1624             'params': {
1625                 'skip_download': True,
1626             },
1627         },
1628         {
1629             'url': 'https://www.youtube.com/watch?feature=player_embedded&amp;amp;v=V36LpHqtcDY',
1630             'only_matching': True,
1631         },
1632         {
1633             # YouTube Red paid video (https://github.com/ytdl-org/youtube-dl/issues/10059)
1634             'url': 'https://www.youtube.com/watch?v=i1Ko8UG-Tdo',
1635             'only_matching': True,
1636         },
1637         {
1638             # Rental video preview
1639             'url': 'https://www.youtube.com/watch?v=yYr8q0y5Jfg',
1640             'info_dict': {
1641                 'id': 'uGpuVWrhIzE',
1642                 'ext': 'mp4',
1643                 'title': 'Piku - Trailer',
1644                 'description': 'md5:c36bd60c3fd6f1954086c083c72092eb',
1645                 'upload_date': '20150811',
1646                 'uploader': 'FlixMatrix',
1647                 'uploader_id': 'FlixMatrixKaravan',
1648                 'uploader_url': r're:https?://(?:www\.)?youtube\.com/user/FlixMatrixKaravan',
1649                 'license': 'Standard YouTube License',
1650             },
1651             'params': {
1652                 'skip_download': True,
1653             },
1654             'skip': 'This video is not available.',
1655         },
1656         {
1657             # YouTube Red video with episode data
1658             'url': 'https://www.youtube.com/watch?v=iqKdEhx-dD4',
1659             'info_dict': {
1660                 'id': 'iqKdEhx-dD4',
1661                 'ext': 'mp4',
1662                 'title': 'Isolation - Mind Field (Ep 1)',
1663                 'description': 'md5:f540112edec5d09fc8cc752d3d4ba3cd',
1664                 'duration': 2085,
1665                 'upload_date': '20170118',
1666                 'uploader': 'Vsauce',
1667                 'uploader_id': 'Vsauce',
1668                 'uploader_url': r're:https?://(?:www\.)?youtube\.com/user/Vsauce',
1669                 'series': 'Mind Field',
1670                 'season_number': 1,
1671                 'episode_number': 1,
1672                 'thumbnail': 'https://i.ytimg.com/vi_webp/iqKdEhx-dD4/maxresdefault.webp',
1673                 'tags': 'count:12',
1674                 'view_count': int,
1675                 'availability': 'public',
1676                 'age_limit': 0,
1677                 'channel': 'Vsauce',
1678                 'episode': 'Episode 1',
1679                 'categories': ['Entertainment'],
1680                 'season': 'Season 1',
1681                 'channel_id': 'UC6nSFpj9HTCZ5t-N3Rm3-HA',
1682                 'channel_url': 'https://www.youtube.com/channel/UC6nSFpj9HTCZ5t-N3Rm3-HA',
1683                 'like_count': int,
1684                 'playable_in_embed': True,
1685                 'live_status': 'not_live',
1686                 'channel_follower_count': int
1687             },
1688             'params': {
1689                 'skip_download': True,
1690             },
1691             'expected_warnings': [
1692                 'Skipping DASH manifest',
1693             ],
1694         },
1695         {
1696             # The following content has been identified by the YouTube community
1697             # as inappropriate or offensive to some audiences.
1698             'url': 'https://www.youtube.com/watch?v=6SJNVb0GnPI',
1699             'info_dict': {
1700                 'id': '6SJNVb0GnPI',
1701                 'ext': 'mp4',
1702                 'title': 'Race Differences in Intelligence',
1703                 'description': 'md5:5d161533167390427a1f8ee89a1fc6f1',
1704                 'duration': 965,
1705                 'upload_date': '20140124',
1706                 'uploader': 'New Century Foundation',
1707                 'uploader_id': 'UCEJYpZGqgUob0zVVEaLhvVg',
1708                 'uploader_url': r're:https?://(?:www\.)?youtube\.com/channel/UCEJYpZGqgUob0zVVEaLhvVg',
1709             },
1710             'params': {
1711                 'skip_download': True,
1712             },
1713             'skip': 'This video has been removed for violating YouTube\'s policy on hate speech.',
1714         },
1715         {
1716             # itag 212
1717             'url': '1t24XAntNCY',
1718             'only_matching': True,
1719         },
1720         {
1721             # geo restricted to JP
1722             'url': 'sJL6WA-aGkQ',
1723             'only_matching': True,
1724         },
1725         {
1726             'url': 'https://invidio.us/watch?v=BaW_jenozKc',
1727             'only_matching': True,
1728         },
1729         {
1730             'url': 'https://redirect.invidious.io/watch?v=BaW_jenozKc',
1731             'only_matching': True,
1732         },
1733         {
1734             # from https://nitter.pussthecat.org/YouTube/status/1360363141947944964#m
1735             'url': 'https://redirect.invidious.io/Yh0AhrY9GjA',
1736             'only_matching': True,
1737         },
1738         {
1739             # DRM protected
1740             'url': 'https://www.youtube.com/watch?v=s7_qI6_mIXc',
1741             'only_matching': True,
1742         },
1743         {
1744             # Video with unsupported adaptive stream type formats
1745             'url': 'https://www.youtube.com/watch?v=Z4Vy8R84T1U',
1746             'info_dict': {
1747                 'id': 'Z4Vy8R84T1U',
1748                 'ext': 'mp4',
1749                 'title': 'saman SMAN 53 Jakarta(Sancety) opening COFFEE4th at SMAN 53 Jakarta',
1750                 'description': 'md5:d41d8cd98f00b204e9800998ecf8427e',
1751                 'duration': 433,
1752                 'upload_date': '20130923',
1753                 'uploader': 'Amelia Putri Harwita',
1754                 'uploader_id': 'UCpOxM49HJxmC1qCalXyB3_Q',
1755                 'uploader_url': r're:https?://(?:www\.)?youtube\.com/channel/UCpOxM49HJxmC1qCalXyB3_Q',
1756                 'formats': 'maxcount:10',
1757             },
1758             'params': {
1759                 'skip_download': True,
1760                 'youtube_include_dash_manifest': False,
1761             },
1762             'skip': 'not actual anymore',
1763         },
1764         {
1765             # Youtube Music Auto-generated description
1766             'url': 'https://music.youtube.com/watch?v=MgNrAu2pzNs',
1767             'info_dict': {
1768                 'id': 'MgNrAu2pzNs',
1769                 'ext': 'mp4',
1770                 'title': 'Voyeur Girl',
1771                 'description': 'md5:7ae382a65843d6df2685993e90a8628f',
1772                 'upload_date': '20190312',
1773                 'uploader': 'Stephen - Topic',
1774                 'uploader_id': 'UC-pWHpBjdGG69N9mM2auIAA',
1775                 'artist': 'Stephen',
1776                 'track': 'Voyeur Girl',
1777                 'album': 'it\'s too much love to know my dear',
1778                 'release_date': '20190313',
1779                 'release_year': 2019,
1780                 'alt_title': 'Voyeur Girl',
1781                 'view_count': int,
1782                 'uploader_url': 'http://www.youtube.com/channel/UC-pWHpBjdGG69N9mM2auIAA',
1783                 'playable_in_embed': True,
1784                 'like_count': int,
1785                 'categories': ['Music'],
1786                 'channel_url': 'https://www.youtube.com/channel/UC-pWHpBjdGG69N9mM2auIAA',
1787                 'channel': 'Stephen',
1788                 'availability': 'public',
1789                 'creator': 'Stephen',
1790                 'duration': 169,
1791                 'thumbnail': 'https://i.ytimg.com/vi_webp/MgNrAu2pzNs/maxresdefault.webp',
1792                 'age_limit': 0,
1793                 'channel_id': 'UC-pWHpBjdGG69N9mM2auIAA',
1794                 'tags': 'count:11',
1795                 'live_status': 'not_live',
1796                 'channel_follower_count': int
1797             },
1798             'params': {
1799                 'skip_download': True,
1800             },
1801         },
1802         {
1803             'url': 'https://www.youtubekids.com/watch?v=3b8nCWDgZ6Q',
1804             'only_matching': True,
1805         },
1806         {
1807             # invalid -> valid video id redirection
1808             'url': 'DJztXj2GPfl',
1809             'info_dict': {
1810                 'id': 'DJztXj2GPfk',
1811                 'ext': 'mp4',
1812                 'title': 'Panjabi MC - Mundian To Bach Ke (The Dictator Soundtrack)',
1813                 'description': 'md5:bf577a41da97918e94fa9798d9228825',
1814                 'upload_date': '20090125',
1815                 'uploader': 'Prochorowka',
1816                 'uploader_id': 'Prochorowka',
1817                 'uploader_url': r're:https?://(?:www\.)?youtube\.com/user/Prochorowka',
1818                 'artist': 'Panjabi MC',
1819                 'track': 'Beware of the Boys (Mundian to Bach Ke) - Motivo Hi-Lectro Remix',
1820                 'album': 'Beware of the Boys (Mundian To Bach Ke)',
1821             },
1822             'params': {
1823                 'skip_download': True,
1824             },
1825             'skip': 'Video unavailable',
1826         },
1827         {
1828             # empty description results in an empty string
1829             'url': 'https://www.youtube.com/watch?v=x41yOUIvK2k',
1830             'info_dict': {
1831                 'id': 'x41yOUIvK2k',
1832                 'ext': 'mp4',
1833                 'title': 'IMG 3456',
1834                 'description': '',
1835                 'upload_date': '20170613',
1836                 'uploader_id': 'ElevageOrVert',
1837                 'uploader': 'ElevageOrVert',
1838                 'view_count': int,
1839                 'thumbnail': 'https://i.ytimg.com/vi_webp/x41yOUIvK2k/maxresdefault.webp',
1840                 'uploader_url': 'http://www.youtube.com/user/ElevageOrVert',
1841                 'like_count': int,
1842                 'channel_id': 'UCo03ZQPBW5U4UC3regpt1nw',
1843                 'tags': [],
1844                 'channel_url': 'https://www.youtube.com/channel/UCo03ZQPBW5U4UC3regpt1nw',
1845                 'availability': 'public',
1846                 'age_limit': 0,
1847                 'categories': ['Pets & Animals'],
1848                 'duration': 7,
1849                 'playable_in_embed': True,
1850                 'live_status': 'not_live',
1851                 'channel': 'ElevageOrVert',
1852                 'channel_follower_count': int
1853             },
1854             'params': {
1855                 'skip_download': True,
1856             },
1857         },
1858         {
1859             # with '};' inside yt initial data (see [1])
1860             # see [2] for an example with '};' inside ytInitialPlayerResponse
1861             # 1. https://github.com/ytdl-org/youtube-dl/issues/27093
1862             # 2. https://github.com/ytdl-org/youtube-dl/issues/27216
1863             'url': 'https://www.youtube.com/watch?v=CHqg6qOn4no',
1864             'info_dict': {
1865                 'id': 'CHqg6qOn4no',
1866                 'ext': 'mp4',
1867                 'title': 'Part 77   Sort a list of simple types in c#',
1868                 'description': 'md5:b8746fa52e10cdbf47997903f13b20dc',
1869                 'upload_date': '20130831',
1870                 'uploader_id': 'kudvenkat',
1871                 'uploader': 'kudvenkat',
1872                 'channel_id': 'UCCTVrRB5KpIiK6V2GGVsR1Q',
1873                 'like_count': int,
1874                 'uploader_url': 'http://www.youtube.com/user/kudvenkat',
1875                 'channel_url': 'https://www.youtube.com/channel/UCCTVrRB5KpIiK6V2GGVsR1Q',
1876                 'live_status': 'not_live',
1877                 'categories': ['Education'],
1878                 'availability': 'public',
1879                 'thumbnail': 'https://i.ytimg.com/vi/CHqg6qOn4no/sddefault.jpg',
1880                 'tags': 'count:12',
1881                 'playable_in_embed': True,
1882                 'age_limit': 0,
1883                 'view_count': int,
1884                 'duration': 522,
1885                 'channel': 'kudvenkat',
1886                 'channel_follower_count': int
1887             },
1888             'params': {
1889                 'skip_download': True,
1890             },
1891         },
1892         {
1893             # another example of '};' in ytInitialData
1894             'url': 'https://www.youtube.com/watch?v=gVfgbahppCY',
1895             'only_matching': True,
1896         },
1897         {
1898             'url': 'https://www.youtube.com/watch_popup?v=63RmMXCd_bQ',
1899             'only_matching': True,
1900         },
1901         {
1902             # https://github.com/ytdl-org/youtube-dl/pull/28094
1903             'url': 'OtqTfy26tG0',
1904             'info_dict': {
1905                 'id': 'OtqTfy26tG0',
1906                 'ext': 'mp4',
1907                 'title': 'Burn Out',
1908                 'description': 'md5:8d07b84dcbcbfb34bc12a56d968b6131',
1909                 'upload_date': '20141120',
1910                 'uploader': 'The Cinematic Orchestra - Topic',
1911                 'uploader_id': 'UCIzsJBIyo8hhpFm1NK0uLgw',
1912                 'uploader_url': r're:https?://(?:www\.)?youtube\.com/channel/UCIzsJBIyo8hhpFm1NK0uLgw',
1913                 'artist': 'The Cinematic Orchestra',
1914                 'track': 'Burn Out',
1915                 'album': 'Every Day',
1916                 'like_count': int,
1917                 'live_status': 'not_live',
1918                 'alt_title': 'Burn Out',
1919                 'duration': 614,
1920                 'age_limit': 0,
1921                 'view_count': int,
1922                 'channel_url': 'https://www.youtube.com/channel/UCIzsJBIyo8hhpFm1NK0uLgw',
1923                 'creator': 'The Cinematic Orchestra',
1924                 'channel': 'The Cinematic Orchestra',
1925                 'tags': ['The Cinematic Orchestra', 'Every Day', 'Burn Out'],
1926                 'channel_id': 'UCIzsJBIyo8hhpFm1NK0uLgw',
1927                 'availability': 'public',
1928                 'thumbnail': 'https://i.ytimg.com/vi/OtqTfy26tG0/maxresdefault.jpg',
1929                 'categories': ['Music'],
1930                 'playable_in_embed': True,
1931                 'channel_follower_count': int
1932             },
1933             'params': {
1934                 'skip_download': True,
1935             },
1936         },
1937         {
1938             # controversial video, only works with bpctr when authenticated with cookies
1939             'url': 'https://www.youtube.com/watch?v=nGC3D_FkCmg',
1940             'only_matching': True,
1941         },
1942         {
1943             # controversial video, requires bpctr/contentCheckOk
1944             'url': 'https://www.youtube.com/watch?v=SZJvDhaSDnc',
1945             'info_dict': {
1946                 'id': 'SZJvDhaSDnc',
1947                 'ext': 'mp4',
1948                 'title': 'San Diego teen commits suicide after bullying over embarrassing video',
1949                 'channel_id': 'UC-SJ6nODDmufqBzPBwCvYvQ',
1950                 'uploader': 'CBS Mornings',
1951                 'uploader_id': 'CBSThisMorning',
1952                 'upload_date': '20140716',
1953                 'description': 'md5:acde3a73d3f133fc97e837a9f76b53b7',
1954                 'duration': 170,
1955                 'categories': ['News & Politics'],
1956                 'uploader_url': 'http://www.youtube.com/user/CBSThisMorning',
1957                 'view_count': int,
1958                 'channel': 'CBS Mornings',
1959                 'tags': ['suicide', 'bullying', 'video', 'cbs', 'news'],
1960                 'thumbnail': 'https://i.ytimg.com/vi/SZJvDhaSDnc/hqdefault.jpg',
1961                 'age_limit': 18,
1962                 'availability': 'needs_auth',
1963                 'channel_url': 'https://www.youtube.com/channel/UC-SJ6nODDmufqBzPBwCvYvQ',
1964                 'like_count': int,
1965                 'live_status': 'not_live',
1966                 'playable_in_embed': True,
1967                 'channel_follower_count': int
1968             }
1969         },
1970         {
1971             # restricted location, https://github.com/ytdl-org/youtube-dl/issues/28685
1972             'url': 'cBvYw8_A0vQ',
1973             'info_dict': {
1974                 'id': 'cBvYw8_A0vQ',
1975                 'ext': 'mp4',
1976                 'title': '4K Ueno Okachimachi  Street  Scenes  上野御徒町歩き',
1977                 'description': 'md5:ea770e474b7cd6722b4c95b833c03630',
1978                 'upload_date': '20201120',
1979                 'uploader': 'Walk around Japan',
1980                 'uploader_id': 'UC3o_t8PzBmXf5S9b7GLx1Mw',
1981                 'uploader_url': r're:https?://(?:www\.)?youtube\.com/channel/UC3o_t8PzBmXf5S9b7GLx1Mw',
1982                 'duration': 1456,
1983                 'categories': ['Travel & Events'],
1984                 'channel_id': 'UC3o_t8PzBmXf5S9b7GLx1Mw',
1985                 'view_count': int,
1986                 'channel': 'Walk around Japan',
1987                 'tags': ['Ueno Tokyo', 'Okachimachi Tokyo', 'Ameyoko Street', 'Tokyo attraction', 'Travel in Tokyo'],
1988                 'thumbnail': 'https://i.ytimg.com/vi_webp/cBvYw8_A0vQ/hqdefault.webp',
1989                 'age_limit': 0,
1990                 'availability': 'public',
1991                 'channel_url': 'https://www.youtube.com/channel/UC3o_t8PzBmXf5S9b7GLx1Mw',
1992                 'live_status': 'not_live',
1993                 'playable_in_embed': True,
1994                 'channel_follower_count': int
1995             },
1996             'params': {
1997                 'skip_download': True,
1998             },
1999         }, {
2000             # Has multiple audio streams
2001             'url': 'WaOKSUlf4TM',
2002             'only_matching': True
2003         }, {
2004             # Requires Premium: has format 141 when requested using YTM url
2005             'url': 'https://music.youtube.com/watch?v=XclachpHxis',
2006             'only_matching': True
2007         }, {
2008             # multiple subtitles with same lang_code
2009             'url': 'https://www.youtube.com/watch?v=wsQiKKfKxug',
2010             'only_matching': True,
2011         }, {
2012             # Force use android client fallback
2013             'url': 'https://www.youtube.com/watch?v=YOelRv7fMxY',
2014             'info_dict': {
2015                 'id': 'YOelRv7fMxY',
2016                 'title': 'DIGGING A SECRET TUNNEL Part 1',
2017                 'ext': '3gp',
2018                 'upload_date': '20210624',
2019                 'channel_id': 'UCp68_FLety0O-n9QU6phsgw',
2020                 'uploader': 'colinfurze',
2021                 'uploader_id': 'colinfurze',
2022                 'channel_url': r're:https?://(?:www\.)?youtube\.com/channel/UCp68_FLety0O-n9QU6phsgw',
2023                 'description': 'md5:5d5991195d599b56cd0c4148907eec50',
2024                 'duration': 596,
2025                 'categories': ['Entertainment'],
2026                 'uploader_url': 'http://www.youtube.com/user/colinfurze',
2027                 'view_count': int,
2028                 'channel': 'colinfurze',
2029                 'tags': ['Colin', 'furze', 'Terry', 'tunnel', 'underground', 'bunker'],
2030                 'thumbnail': 'https://i.ytimg.com/vi/YOelRv7fMxY/maxresdefault.jpg',
2031                 'age_limit': 0,
2032                 'availability': 'public',
2033                 'like_count': int,
2034                 'live_status': 'not_live',
2035                 'playable_in_embed': True,
2036                 'channel_follower_count': int
2037             },
2038             'params': {
2039                 'format': '17',  # 3gp format available on android
2040                 'extractor_args': {'youtube': {'player_client': ['android']}},
2041             },
2042         },
2043         {
2044             # Skip download of additional client configs (remix client config in this case)
2045             'url': 'https://music.youtube.com/watch?v=MgNrAu2pzNs',
2046             'only_matching': True,
2047             'params': {
2048                 'extractor_args': {'youtube': {'player_skip': ['configs']}},
2049             },
2050         }, {
2051             # shorts
2052             'url': 'https://www.youtube.com/shorts/BGQWPY4IigY',
2053             'only_matching': True,
2054         }, {
2055             'note': 'Storyboards',
2056             'url': 'https://www.youtube.com/watch?v=5KLPxDtMqe8',
2057             'info_dict': {
2058                 'id': '5KLPxDtMqe8',
2059                 'ext': 'mhtml',
2060                 'format_id': 'sb0',
2061                 'title': 'Your Brain is Plastic',
2062                 'uploader_id': 'scishow',
2063                 'description': 'md5:89cd86034bdb5466cd87c6ba206cd2bc',
2064                 'upload_date': '20140324',
2065                 'uploader': 'SciShow',
2066                 'like_count': int,
2067                 'channel_id': 'UCZYTClx2T1of7BRZ86-8fow',
2068                 'channel_url': 'https://www.youtube.com/channel/UCZYTClx2T1of7BRZ86-8fow',
2069                 'view_count': int,
2070                 'thumbnail': 'https://i.ytimg.com/vi/5KLPxDtMqe8/maxresdefault.jpg',
2071                 'playable_in_embed': True,
2072                 'tags': 'count:12',
2073                 'uploader_url': 'http://www.youtube.com/user/scishow',
2074                 'availability': 'public',
2075                 'channel': 'SciShow',
2076                 'live_status': 'not_live',
2077                 'duration': 248,
2078                 'categories': ['Education'],
2079                 'age_limit': 0,
2080                 'channel_follower_count': int
2081             }, 'params': {'format': 'mhtml', 'skip_download': True}
2082         }
2083     ]
2084
2085     @classmethod
2086     def suitable(cls, url):
2087         from ..utils import parse_qs
2088
2089         qs = parse_qs(url)
2090         if qs.get('list', [None])[0]:
2091             return False
2092         return super(YoutubeIE, cls).suitable(url)
2093
2094     def __init__(self, *args, **kwargs):
2095         super(YoutubeIE, self).__init__(*args, **kwargs)
2096         self._code_cache = {}
2097         self._player_cache = {}
2098
2099     def _prepare_live_from_start_formats(self, formats, video_id, live_start_time, url, webpage_url, smuggled_data):
2100         lock = threading.Lock()
2101
2102         is_live = True
2103         start_time = time.time()
2104         formats = [f for f in formats if f.get('is_from_start')]
2105
2106         def refetch_manifest(format_id, delay):
2107             nonlocal formats, start_time, is_live
2108             if time.time() <= start_time + delay:
2109                 return
2110
2111             _, _, prs, player_url = self._download_player_responses(url, smuggled_data, video_id, webpage_url)
2112             video_details = traverse_obj(
2113                 prs, (..., 'videoDetails'), expected_type=dict, default=[])
2114             microformats = traverse_obj(
2115                 prs, (..., 'microformat', 'playerMicroformatRenderer'),
2116                 expected_type=dict, default=[])
2117             _, is_live, _, formats = self._list_formats(video_id, microformats, video_details, prs, player_url)
2118             start_time = time.time()
2119
2120         def mpd_feed(format_id, delay):
2121             """
2122             @returns (manifest_url, manifest_stream_number, is_live) or None
2123             """
2124             with lock:
2125                 refetch_manifest(format_id, delay)
2126
2127             f = next((f for f in formats if f['format_id'] == format_id), None)
2128             if not f:
2129                 if not is_live:
2130                     self.to_screen(f'{video_id}: Video is no longer live')
2131                 else:
2132                     self.report_warning(
2133                         f'Cannot find refreshed manifest for format {format_id}{bug_reports_message()}')
2134                 return None
2135             return f['manifest_url'], f['manifest_stream_number'], is_live
2136
2137         for f in formats:
2138             f['protocol'] = 'http_dash_segments_generator'
2139             f['fragments'] = functools.partial(
2140                 self._live_dash_fragments, f['format_id'], live_start_time, mpd_feed)
2141
2142     def _live_dash_fragments(self, format_id, live_start_time, mpd_feed, ctx):
2143         FETCH_SPAN, MAX_DURATION = 5, 432000
2144
2145         mpd_url, stream_number, is_live = None, None, True
2146
2147         begin_index = 0
2148         download_start_time = ctx.get('start') or time.time()
2149
2150         lack_early_segments = download_start_time - (live_start_time or download_start_time) > MAX_DURATION
2151         if lack_early_segments:
2152             self.report_warning(bug_reports_message(
2153                 'Starting download from the last 120 hours of the live stream since '
2154                 'YouTube does not have data before that. If you think this is wrong,'), only_once=True)
2155             lack_early_segments = True
2156
2157         known_idx, no_fragment_score, last_segment_url = begin_index, 0, None
2158         fragments, fragment_base_url = None, None
2159
2160         def _extract_sequence_from_mpd(refresh_sequence):
2161             nonlocal mpd_url, stream_number, is_live, no_fragment_score, fragments, fragment_base_url
2162             # Obtain from MPD's maximum seq value
2163             old_mpd_url = mpd_url
2164             last_error = ctx.pop('last_error', None)
2165             expire_fast = last_error and isinstance(last_error, compat_HTTPError) and last_error.code == 403
2166             mpd_url, stream_number, is_live = (mpd_feed(format_id, 5 if expire_fast else 18000)
2167                                                or (mpd_url, stream_number, False))
2168             if not refresh_sequence:
2169                 if expire_fast and not is_live:
2170                     return False, last_seq
2171                 elif old_mpd_url == mpd_url:
2172                     return True, last_seq
2173             try:
2174                 fmts, _ = self._extract_mpd_formats_and_subtitles(
2175                     mpd_url, None, note=False, errnote=False, fatal=False)
2176             except ExtractorError:
2177                 fmts = None
2178             if not fmts:
2179                 no_fragment_score += 1
2180                 return False, last_seq
2181             fmt_info = next(x for x in fmts if x['manifest_stream_number'] == stream_number)
2182             fragments = fmt_info['fragments']
2183             fragment_base_url = fmt_info['fragment_base_url']
2184             assert fragment_base_url
2185
2186             _last_seq = int(re.search(r'(?:/|^)sq/(\d+)', fragments[-1]['path']).group(1))
2187             return True, _last_seq
2188
2189         while is_live:
2190             fetch_time = time.time()
2191             if no_fragment_score > 30:
2192                 return
2193             if last_segment_url:
2194                 # Obtain from "X-Head-Seqnum" header value from each segment
2195                 try:
2196                     urlh = self._request_webpage(
2197                         last_segment_url, None, note=False, errnote=False, fatal=False)
2198                 except ExtractorError:
2199                     urlh = None
2200                 last_seq = try_get(urlh, lambda x: int_or_none(x.headers['X-Head-Seqnum']))
2201                 if last_seq is None:
2202                     no_fragment_score += 1
2203                     last_segment_url = None
2204                     continue
2205             else:
2206                 should_continue, last_seq = _extract_sequence_from_mpd(True)
2207                 if not should_continue:
2208                     continue
2209
2210             if known_idx > last_seq:
2211                 last_segment_url = None
2212                 continue
2213
2214             last_seq += 1
2215
2216             if begin_index < 0 and known_idx < 0:
2217                 # skip from the start when it's negative value
2218                 known_idx = last_seq + begin_index
2219             if lack_early_segments:
2220                 known_idx = max(known_idx, last_seq - int(MAX_DURATION // fragments[-1]['duration']))
2221             try:
2222                 for idx in range(known_idx, last_seq):
2223                     # do not update sequence here or you'll get skipped some part of it
2224                     should_continue, _ = _extract_sequence_from_mpd(False)
2225                     if not should_continue:
2226                         known_idx = idx - 1
2227                         raise ExtractorError('breaking out of outer loop')
2228                     last_segment_url = urljoin(fragment_base_url, 'sq/%d' % idx)
2229                     yield {
2230                         'url': last_segment_url,
2231                     }
2232                 if known_idx == last_seq:
2233                     no_fragment_score += 5
2234                 else:
2235                     no_fragment_score = 0
2236                 known_idx = last_seq
2237             except ExtractorError:
2238                 continue
2239
2240             time.sleep(max(0, FETCH_SPAN + fetch_time - time.time()))
2241
2242     def _extract_player_url(self, *ytcfgs, webpage=None):
2243         player_url = traverse_obj(
2244             ytcfgs, (..., 'PLAYER_JS_URL'), (..., 'WEB_PLAYER_CONTEXT_CONFIGS', ..., 'jsUrl'),
2245             get_all=False, expected_type=compat_str)
2246         if not player_url:
2247             return
2248         if player_url.startswith('//'):
2249             player_url = 'https:' + player_url
2250         elif not re.match(r'https?://', player_url):
2251             player_url = compat_urlparse.urljoin(
2252                 'https://www.youtube.com', player_url)
2253         return player_url
2254
2255     def _download_player_url(self, video_id, fatal=False):
2256         res = self._download_webpage(
2257             'https://www.youtube.com/iframe_api',
2258             note='Downloading iframe API JS', video_id=video_id, fatal=fatal)
2259         if res:
2260             player_version = self._search_regex(
2261                 r'player\\?/([0-9a-fA-F]{8})\\?/', res, 'player version', fatal=fatal)
2262             if player_version:
2263                 return f'https://www.youtube.com/s/player/{player_version}/player_ias.vflset/en_US/base.js'
2264
2265     def _signature_cache_id(self, example_sig):
2266         """ Return a string representation of a signature """
2267         return '.'.join(compat_str(len(part)) for part in example_sig.split('.'))
2268
2269     @classmethod
2270     def _extract_player_info(cls, player_url):
2271         for player_re in cls._PLAYER_INFO_RE:
2272             id_m = re.search(player_re, player_url)
2273             if id_m:
2274                 break
2275         else:
2276             raise ExtractorError('Cannot identify player %r' % player_url)
2277         return id_m.group('id')
2278
2279     def _load_player(self, video_id, player_url, fatal=True):
2280         player_id = self._extract_player_info(player_url)
2281         if player_id not in self._code_cache:
2282             code = self._download_webpage(
2283                 player_url, video_id, fatal=fatal,
2284                 note='Downloading player ' + player_id,
2285                 errnote='Download of %s failed' % player_url)
2286             if code:
2287                 self._code_cache[player_id] = code
2288         return self._code_cache.get(player_id)
2289
2290     def _extract_signature_function(self, video_id, player_url, example_sig):
2291         player_id = self._extract_player_info(player_url)
2292
2293         # Read from filesystem cache
2294         func_id = 'js_%s_%s' % (
2295             player_id, self._signature_cache_id(example_sig))
2296         assert os.path.basename(func_id) == func_id
2297
2298         cache_spec = self._downloader.cache.load('youtube-sigfuncs', func_id)
2299         if cache_spec is not None:
2300             return lambda s: ''.join(s[i] for i in cache_spec)
2301
2302         code = self._load_player(video_id, player_url)
2303         if code:
2304             res = self._parse_sig_js(code)
2305
2306             test_string = ''.join(map(compat_chr, range(len(example_sig))))
2307             cache_res = res(test_string)
2308             cache_spec = [ord(c) for c in cache_res]
2309
2310             self._downloader.cache.store('youtube-sigfuncs', func_id, cache_spec)
2311             return res
2312
2313     def _print_sig_code(self, func, example_sig):
2314         if not self.get_param('youtube_print_sig_code'):
2315             return
2316
2317         def gen_sig_code(idxs):
2318             def _genslice(start, end, step):
2319                 starts = '' if start == 0 else str(start)
2320                 ends = (':%d' % (end + step)) if end + step >= 0 else ':'
2321                 steps = '' if step == 1 else (':%d' % step)
2322                 return 's[%s%s%s]' % (starts, ends, steps)
2323
2324             step = None
2325             # Quelch pyflakes warnings - start will be set when step is set
2326             start = '(Never used)'
2327             for i, prev in zip(idxs[1:], idxs[:-1]):
2328                 if step is not None:
2329                     if i - prev == step:
2330                         continue
2331                     yield _genslice(start, prev, step)
2332                     step = None
2333                     continue
2334                 if i - prev in [-1, 1]:
2335                     step = i - prev
2336                     start = prev
2337                     continue
2338                 else:
2339                     yield 's[%d]' % prev
2340             if step is None:
2341                 yield 's[%d]' % i
2342             else:
2343                 yield _genslice(start, i, step)
2344
2345         test_string = ''.join(map(compat_chr, range(len(example_sig))))
2346         cache_res = func(test_string)
2347         cache_spec = [ord(c) for c in cache_res]
2348         expr_code = ' + '.join(gen_sig_code(cache_spec))
2349         signature_id_tuple = '(%s)' % (
2350             ', '.join(compat_str(len(p)) for p in example_sig.split('.')))
2351         code = ('if tuple(len(p) for p in s.split(\'.\')) == %s:\n'
2352                 '    return %s\n') % (signature_id_tuple, expr_code)
2353         self.to_screen('Extracted signature function:\n' + code)
2354
2355     def _parse_sig_js(self, jscode):
2356         funcname = self._search_regex(
2357             (r'\b[cs]\s*&&\s*[adf]\.set\([^,]+\s*,\s*encodeURIComponent\s*\(\s*(?P<sig>[a-zA-Z0-9$]+)\(',
2358              r'\b[a-zA-Z0-9]+\s*&&\s*[a-zA-Z0-9]+\.set\([^,]+\s*,\s*encodeURIComponent\s*\(\s*(?P<sig>[a-zA-Z0-9$]+)\(',
2359              r'\bm=(?P<sig>[a-zA-Z0-9$]{2,})\(decodeURIComponent\(h\.s\)\)',
2360              r'\bc&&\(c=(?P<sig>[a-zA-Z0-9$]{2,})\(decodeURIComponent\(c\)\)',
2361              r'(?:\b|[^a-zA-Z0-9$])(?P<sig>[a-zA-Z0-9$]{2,})\s*=\s*function\(\s*a\s*\)\s*{\s*a\s*=\s*a\.split\(\s*""\s*\);[a-zA-Z0-9$]{2}\.[a-zA-Z0-9$]{2}\(a,\d+\)',
2362              r'(?:\b|[^a-zA-Z0-9$])(?P<sig>[a-zA-Z0-9$]{2,})\s*=\s*function\(\s*a\s*\)\s*{\s*a\s*=\s*a\.split\(\s*""\s*\)',
2363              r'(?P<sig>[a-zA-Z0-9$]+)\s*=\s*function\(\s*a\s*\)\s*{\s*a\s*=\s*a\.split\(\s*""\s*\)',
2364              # Obsolete patterns
2365              r'(["\'])signature\1\s*,\s*(?P<sig>[a-zA-Z0-9$]+)\(',
2366              r'\.sig\|\|(?P<sig>[a-zA-Z0-9$]+)\(',
2367              r'yt\.akamaized\.net/\)\s*\|\|\s*.*?\s*[cs]\s*&&\s*[adf]\.set\([^,]+\s*,\s*(?:encodeURIComponent\s*\()?\s*(?P<sig>[a-zA-Z0-9$]+)\(',
2368              r'\b[cs]\s*&&\s*[adf]\.set\([^,]+\s*,\s*(?P<sig>[a-zA-Z0-9$]+)\(',
2369              r'\b[a-zA-Z0-9]+\s*&&\s*[a-zA-Z0-9]+\.set\([^,]+\s*,\s*(?P<sig>[a-zA-Z0-9$]+)\(',
2370              r'\bc\s*&&\s*a\.set\([^,]+\s*,\s*\([^)]*\)\s*\(\s*(?P<sig>[a-zA-Z0-9$]+)\(',
2371              r'\bc\s*&&\s*[a-zA-Z0-9]+\.set\([^,]+\s*,\s*\([^)]*\)\s*\(\s*(?P<sig>[a-zA-Z0-9$]+)\(',
2372              r'\bc\s*&&\s*[a-zA-Z0-9]+\.set\([^,]+\s*,\s*\([^)]*\)\s*\(\s*(?P<sig>[a-zA-Z0-9$]+)\('),
2373             jscode, 'Initial JS player signature function name', group='sig')
2374
2375         jsi = JSInterpreter(jscode)
2376         initial_function = jsi.extract_function(funcname)
2377         return lambda s: initial_function([s])
2378
2379     def _decrypt_signature(self, s, video_id, player_url):
2380         """Turn the encrypted s field into a working signature"""
2381
2382         if player_url is None:
2383             raise ExtractorError('Cannot decrypt signature without player_url')
2384
2385         try:
2386             player_id = (player_url, self._signature_cache_id(s))
2387             if player_id not in self._player_cache:
2388                 func = self._extract_signature_function(
2389                     video_id, player_url, s
2390                 )
2391                 self._player_cache[player_id] = func
2392             func = self._player_cache[player_id]
2393             self._print_sig_code(func, s)
2394             return func(s)
2395         except Exception as e:
2396             raise ExtractorError('Signature extraction failed: ' + traceback.format_exc(), cause=e)
2397
2398     def _decrypt_nsig(self, s, video_id, player_url):
2399         """Turn the encrypted n field into a working signature"""
2400         if player_url is None:
2401             raise ExtractorError('Cannot decrypt nsig without player_url')
2402         if player_url.startswith('//'):
2403             player_url = 'https:' + player_url
2404         elif not re.match(r'https?://', player_url):
2405             player_url = compat_urlparse.urljoin(
2406                 'https://www.youtube.com', player_url)
2407
2408         sig_id = ('nsig_value', s)
2409         if sig_id in self._player_cache:
2410             return self._player_cache[sig_id]
2411
2412         try:
2413             player_id = ('nsig', player_url)
2414             if player_id not in self._player_cache:
2415                 self._player_cache[player_id] = self._extract_n_function(video_id, player_url)
2416             func = self._player_cache[player_id]
2417             self._player_cache[sig_id] = func(s)
2418             self.write_debug(f'Decrypted nsig {s} => {self._player_cache[sig_id]}')
2419             return self._player_cache[sig_id]
2420         except Exception as e:
2421             raise ExtractorError(traceback.format_exc(), cause=e, video_id=video_id)
2422
2423     def _extract_n_function_name(self, jscode):
2424         nfunc, idx = self._search_regex(
2425             r'\.get\("n"\)\)&&\(b=(?P<nfunc>[a-zA-Z0-9$]{3})(\[(?P<idx>\d+)\])?\([a-zA-Z0-9]\)',
2426             jscode, 'Initial JS player n function name', group=('nfunc', 'idx'))
2427         if not idx:
2428             return nfunc
2429         return json.loads(js_to_json(self._search_regex(
2430             rf'var {nfunc}\s*=\s*(\[.+?\]);', jscode,
2431             f'Initial JS player n function list ({nfunc}.{idx})')))[int(idx)]
2432
2433     def _extract_n_function(self, video_id, player_url):
2434         player_id = self._extract_player_info(player_url)
2435         func_code = self._downloader.cache.load('youtube-nsig', player_id)
2436
2437         if func_code:
2438             jsi = JSInterpreter(func_code)
2439         else:
2440             jscode = self._load_player(video_id, player_url)
2441             funcname = self._extract_n_function_name(jscode)
2442             jsi = JSInterpreter(jscode)
2443             func_code = jsi.extract_function_code(funcname)
2444             self._downloader.cache.store('youtube-nsig', player_id, func_code)
2445
2446         if self.get_param('youtube_print_sig_code'):
2447             self.to_screen(f'Extracted nsig function from {player_id}:\n{func_code[1]}\n')
2448
2449         return lambda s: jsi.extract_function_from_code(*func_code)([s])
2450
2451     def _extract_signature_timestamp(self, video_id, player_url, ytcfg=None, fatal=False):
2452         """
2453         Extract signatureTimestamp (sts)
2454         Required to tell API what sig/player version is in use.
2455         """
2456         sts = None
2457         if isinstance(ytcfg, dict):
2458             sts = int_or_none(ytcfg.get('STS'))
2459
2460         if not sts:
2461             # Attempt to extract from player
2462             if player_url is None:
2463                 error_msg = 'Cannot extract signature timestamp without player_url.'
2464                 if fatal:
2465                     raise ExtractorError(error_msg)
2466                 self.report_warning(error_msg)
2467                 return
2468             code = self._load_player(video_id, player_url, fatal=fatal)
2469             if code:
2470                 sts = int_or_none(self._search_regex(
2471                     r'(?:signatureTimestamp|sts)\s*:\s*(?P<sts>[0-9]{5})', code,
2472                     'JS player signature timestamp', group='sts', fatal=fatal))
2473         return sts
2474
2475     def _mark_watched(self, video_id, player_responses):
2476         playback_url = get_first(
2477             player_responses, ('playbackTracking', 'videostatsPlaybackUrl', 'baseUrl'),
2478             expected_type=url_or_none)
2479         if not playback_url:
2480             self.report_warning('Unable to mark watched')
2481             return
2482         parsed_playback_url = compat_urlparse.urlparse(playback_url)
2483         qs = compat_urlparse.parse_qs(parsed_playback_url.query)
2484
2485         # cpn generation algorithm is reverse engineered from base.js.
2486         # In fact it works even with dummy cpn.
2487         CPN_ALPHABET = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789-_'
2488         cpn = ''.join((CPN_ALPHABET[random.randint(0, 256) & 63] for _ in range(0, 16)))
2489
2490         qs.update({
2491             'ver': ['2'],
2492             'cpn': [cpn],
2493         })
2494         playback_url = compat_urlparse.urlunparse(
2495             parsed_playback_url._replace(query=compat_urllib_parse_urlencode(qs, True)))
2496
2497         self._download_webpage(
2498             playback_url, video_id, 'Marking watched',
2499             'Unable to mark watched', fatal=False)
2500
2501     @staticmethod
2502     def _extract_urls(webpage):
2503         # Embedded YouTube player
2504         entries = [
2505             unescapeHTML(mobj.group('url'))
2506             for mobj in re.finditer(r'''(?x)
2507             (?:
2508                 <iframe[^>]+?src=|
2509                 data-video-url=|
2510                 <embed[^>]+?src=|
2511                 embedSWF\(?:\s*|
2512                 <object[^>]+data=|
2513                 new\s+SWFObject\(
2514             )
2515             (["\'])
2516                 (?P<url>(?:https?:)?//(?:www\.)?youtube(?:-nocookie)?\.com/
2517                 (?:embed|v|p)/[0-9A-Za-z_-]{11}.*?)
2518             \1''', webpage)]
2519
2520         # lazyYT YouTube embed
2521         entries.extend(list(map(
2522             unescapeHTML,
2523             re.findall(r'class="lazyYT" data-youtube-id="([^"]+)"', webpage))))
2524
2525         # Wordpress "YouTube Video Importer" plugin
2526         matches = re.findall(r'''(?x)<div[^>]+
2527             class=(?P<q1>[\'"])[^\'"]*\byvii_single_video_player\b[^\'"]*(?P=q1)[^>]+
2528             data-video_id=(?P<q2>[\'"])([^\'"]+)(?P=q2)''', webpage)
2529         entries.extend(m[-1] for m in matches)
2530
2531         return entries
2532
2533     @staticmethod
2534     def _extract_url(webpage):
2535         urls = YoutubeIE._extract_urls(webpage)
2536         return urls[0] if urls else None
2537
2538     @classmethod
2539     def extract_id(cls, url):
2540         mobj = re.match(cls._VALID_URL, url, re.VERBOSE)
2541         if mobj is None:
2542             raise ExtractorError('Invalid URL: %s' % url)
2543         return mobj.group('id')
2544
2545     def _extract_chapters_from_json(self, data, duration):
2546         chapter_list = traverse_obj(
2547             data, (
2548                 'playerOverlays', 'playerOverlayRenderer', 'decoratedPlayerBarRenderer',
2549                 'decoratedPlayerBarRenderer', 'playerBar', 'chapteredPlayerBarRenderer', 'chapters'
2550             ), expected_type=list)
2551
2552         return self._extract_chapters(
2553             chapter_list,
2554             chapter_time=lambda chapter: float_or_none(
2555                 traverse_obj(chapter, ('chapterRenderer', 'timeRangeStartMillis')), scale=1000),
2556             chapter_title=lambda chapter: traverse_obj(
2557                 chapter, ('chapterRenderer', 'title', 'simpleText'), expected_type=str),
2558             duration=duration)
2559
2560     def _extract_chapters_from_engagement_panel(self, data, duration):
2561         content_list = traverse_obj(
2562             data,
2563             ('engagementPanels', ..., 'engagementPanelSectionListRenderer', 'content', 'macroMarkersListRenderer', 'contents'),
2564             expected_type=list, default=[])
2565         chapter_time = lambda chapter: parse_duration(self._get_text(chapter, 'timeDescription'))
2566         chapter_title = lambda chapter: self._get_text(chapter, 'title')
2567
2568         return next((
2569             filter(None, (
2570                 self._extract_chapters(
2571                     traverse_obj(contents, (..., 'macroMarkersListItemRenderer')),
2572                     chapter_time, chapter_title, duration)
2573                 for contents in content_list
2574             ))), [])
2575
2576     def _extract_chapters(self, chapter_list, chapter_time, chapter_title, duration):
2577         chapters = []
2578         last_chapter = {'start_time': 0}
2579         for idx, chapter in enumerate(chapter_list or []):
2580             title = chapter_title(chapter)
2581             start_time = chapter_time(chapter)
2582             if start_time is None:
2583                 continue
2584             last_chapter['end_time'] = start_time
2585             if start_time < last_chapter['start_time']:
2586                 if idx == 1:
2587                     chapters.pop()
2588                     self.report_warning('Invalid start time for chapter "%s"' % last_chapter['title'])
2589                 else:
2590                     self.report_warning(f'Invalid start time for chapter "{title}"')
2591                     continue
2592             last_chapter = {'start_time': start_time, 'title': title}
2593             chapters.append(last_chapter)
2594         last_chapter['end_time'] = duration
2595         return chapters
2596
2597     def _extract_yt_initial_variable(self, webpage, regex, video_id, name):
2598         return self._parse_json(self._search_regex(
2599             (r'%s\s*%s' % (regex, self._YT_INITIAL_BOUNDARY_RE),
2600              regex), webpage, name, default='{}'), video_id, fatal=False)
2601
2602     def _extract_comment(self, comment_renderer, parent=None):
2603         comment_id = comment_renderer.get('commentId')
2604         if not comment_id:
2605             return
2606
2607         text = self._get_text(comment_renderer, 'contentText')
2608
2609         # note: timestamp is an estimate calculated from the current time and time_text
2610         timestamp, time_text = self._extract_time_text(comment_renderer, 'publishedTimeText')
2611         author = self._get_text(comment_renderer, 'authorText')
2612         author_id = try_get(comment_renderer,
2613                             lambda x: x['authorEndpoint']['browseEndpoint']['browseId'], compat_str)
2614
2615         votes = parse_count(try_get(comment_renderer, (lambda x: x['voteCount']['simpleText'],
2616                                                        lambda x: x['likeCount']), compat_str)) or 0
2617         author_thumbnail = try_get(comment_renderer,
2618                                    lambda x: x['authorThumbnail']['thumbnails'][-1]['url'], compat_str)
2619
2620         author_is_uploader = try_get(comment_renderer, lambda x: x['authorIsChannelOwner'], bool)
2621         is_favorited = 'creatorHeart' in (try_get(
2622             comment_renderer, lambda x: x['actionButtons']['commentActionButtonsRenderer'], dict) or {})
2623         return {
2624             'id': comment_id,
2625             'text': text,
2626             'timestamp': timestamp,
2627             'time_text': time_text,
2628             'like_count': votes,
2629             'is_favorited': is_favorited,
2630             'author': author,
2631             'author_id': author_id,
2632             'author_thumbnail': author_thumbnail,
2633             'author_is_uploader': author_is_uploader,
2634             'parent': parent or 'root'
2635         }
2636
2637     def _comment_entries(self, root_continuation_data, ytcfg, video_id, parent=None, tracker=None):
2638
2639         get_single_config_arg = lambda c: self._configuration_arg(c, [''])[0]
2640
2641         def extract_header(contents):
2642             _continuation = None
2643             for content in contents:
2644                 comments_header_renderer = traverse_obj(content, 'commentsHeaderRenderer')
2645                 expected_comment_count = self._get_count(
2646                     comments_header_renderer, 'countText', 'commentsCount')
2647
2648                 if expected_comment_count:
2649                     tracker['est_total'] = expected_comment_count
2650                     self.to_screen(f'Downloading ~{expected_comment_count} comments')
2651                 comment_sort_index = int(get_single_config_arg('comment_sort') != 'top')  # 1 = new, 0 = top
2652
2653                 sort_menu_item = try_get(
2654                     comments_header_renderer,
2655                     lambda x: x['sortMenu']['sortFilterSubMenuRenderer']['subMenuItems'][comment_sort_index], dict) or {}
2656                 sort_continuation_ep = sort_menu_item.get('serviceEndpoint') or {}
2657
2658                 _continuation = self._extract_continuation_ep_data(sort_continuation_ep) or self._extract_continuation(sort_menu_item)
2659                 if not _continuation:
2660                     continue
2661
2662                 sort_text = str_or_none(sort_menu_item.get('title'))
2663                 if not sort_text:
2664                     sort_text = 'top comments' if comment_sort_index == 0 else 'newest first'
2665                 self.to_screen('Sorting comments by %s' % sort_text.lower())
2666                 break
2667             return _continuation
2668
2669         def extract_thread(contents):
2670             if not parent:
2671                 tracker['current_page_thread'] = 0
2672             for content in contents:
2673                 if not parent and tracker['total_parent_comments'] >= max_parents:
2674                     yield
2675                 comment_thread_renderer = try_get(content, lambda x: x['commentThreadRenderer'])
2676                 comment_renderer = get_first(
2677                     (comment_thread_renderer, content), [['commentRenderer', ('comment', 'commentRenderer')]],
2678                     expected_type=dict, default={})
2679
2680                 comment = self._extract_comment(comment_renderer, parent)
2681                 if not comment:
2682                     continue
2683
2684                 tracker['running_total'] += 1
2685                 tracker['total_reply_comments' if parent else 'total_parent_comments'] += 1
2686                 yield comment
2687
2688                 # Attempt to get the replies
2689                 comment_replies_renderer = try_get(
2690                     comment_thread_renderer, lambda x: x['replies']['commentRepliesRenderer'], dict)
2691
2692                 if comment_replies_renderer:
2693                     tracker['current_page_thread'] += 1
2694                     comment_entries_iter = self._comment_entries(
2695                         comment_replies_renderer, ytcfg, video_id,
2696                         parent=comment.get('id'), tracker=tracker)
2697                     for reply_comment in itertools.islice(comment_entries_iter, min(max_replies_per_thread, max(0, max_replies - tracker['total_reply_comments']))):
2698                         yield reply_comment
2699
2700         # Keeps track of counts across recursive calls
2701         if not tracker:
2702             tracker = dict(
2703                 running_total=0,
2704                 est_total=0,
2705                 current_page_thread=0,
2706                 total_parent_comments=0,
2707                 total_reply_comments=0)
2708
2709         # TODO: Deprecated
2710         # YouTube comments have a max depth of 2
2711         max_depth = int_or_none(get_single_config_arg('max_comment_depth'))
2712         if max_depth:
2713             self._downloader.deprecation_warning(
2714                 '[youtube] max_comment_depth extractor argument is deprecated. Set max replies in the max-comments extractor argument instead.')
2715         if max_depth == 1 and parent:
2716             return
2717
2718         max_comments, max_parents, max_replies, max_replies_per_thread, *_ = map(
2719             lambda p: int_or_none(p, default=sys.maxsize), self._configuration_arg('max_comments', ) + [''] * 4)
2720
2721         continuation = self._extract_continuation(root_continuation_data)
2722         message = self._get_text(root_continuation_data, ('contents', ..., 'messageRenderer', 'text'), max_runs=1)
2723         if message and not parent:
2724             self.report_warning(message, video_id=video_id)
2725
2726         response = None
2727         is_first_continuation = parent is None
2728
2729         for page_num in itertools.count(0):
2730             if not continuation:
2731                 break
2732             headers = self.generate_api_headers(ytcfg=ytcfg, visitor_data=self._extract_visitor_data(response))
2733             comment_prog_str = f"({tracker['running_total']}/{tracker['est_total']})"
2734             if page_num == 0:
2735                 if is_first_continuation:
2736                     note_prefix = 'Downloading comment section API JSON'
2737                 else:
2738                     note_prefix = '    Downloading comment API JSON reply thread %d %s' % (
2739                         tracker['current_page_thread'], comment_prog_str)
2740             else:
2741                 note_prefix = '%sDownloading comment%s API JSON page %d %s' % (
2742                     '       ' if parent else '', ' replies' if parent else '',
2743                     page_num, comment_prog_str)
2744
2745             response = self._extract_response(
2746                 item_id=None, query=continuation,
2747                 ep='next', ytcfg=ytcfg, headers=headers, note=note_prefix,
2748                 check_get_keys='onResponseReceivedEndpoints')
2749
2750             continuation_contents = traverse_obj(
2751                 response, 'onResponseReceivedEndpoints', expected_type=list, default=[])
2752
2753             continuation = None
2754             for continuation_section in continuation_contents:
2755                 continuation_items = traverse_obj(
2756                     continuation_section,
2757                     (('reloadContinuationItemsCommand', 'appendContinuationItemsAction'), 'continuationItems'),
2758                     get_all=False, expected_type=list) or []
2759                 if is_first_continuation:
2760                     continuation = extract_header(continuation_items)
2761                     is_first_continuation = False
2762                     if continuation:
2763                         break
2764                     continue
2765
2766                 for entry in extract_thread(continuation_items):
2767                     if not entry:
2768                         return
2769                     yield entry
2770                 continuation = self._extract_continuation({'contents': continuation_items})
2771                 if continuation:
2772                     break
2773
2774     def _get_comments(self, ytcfg, video_id, contents, webpage):
2775         """Entry for comment extraction"""
2776         def _real_comment_extract(contents):
2777             renderer = next((
2778                 item for item in traverse_obj(contents, (..., 'itemSectionRenderer'), default={})
2779                 if item.get('sectionIdentifier') == 'comment-item-section'), None)
2780             yield from self._comment_entries(renderer, ytcfg, video_id)
2781
2782         max_comments = int_or_none(self._configuration_arg('max_comments', [''])[0])
2783         return itertools.islice(_real_comment_extract(contents), 0, max_comments)
2784
2785     @staticmethod
2786     def _get_checkok_params():
2787         return {'contentCheckOk': True, 'racyCheckOk': True}
2788
2789     @classmethod
2790     def _generate_player_context(cls, sts=None):
2791         context = {
2792             'html5Preference': 'HTML5_PREF_WANTS',
2793         }
2794         if sts is not None:
2795             context['signatureTimestamp'] = sts
2796         return {
2797             'playbackContext': {
2798                 'contentPlaybackContext': context
2799             },
2800             **cls._get_checkok_params()
2801         }
2802
2803     @staticmethod
2804     def _is_agegated(player_response):
2805         if traverse_obj(player_response, ('playabilityStatus', 'desktopLegacyAgeGateReason')):
2806             return True
2807
2808         reasons = traverse_obj(player_response, ('playabilityStatus', ('status', 'reason')), default=[])
2809         AGE_GATE_REASONS = (
2810             'confirm your age', 'age-restricted', 'inappropriate',  # reason
2811             'age_verification_required', 'age_check_required',  # status
2812         )
2813         return any(expected in reason for expected in AGE_GATE_REASONS for reason in reasons)
2814
2815     @staticmethod
2816     def _is_unplayable(player_response):
2817         return traverse_obj(player_response, ('playabilityStatus', 'status')) == 'UNPLAYABLE'
2818
2819     def _extract_player_response(self, client, video_id, master_ytcfg, player_ytcfg, player_url, initial_pr):
2820
2821         session_index = self._extract_session_index(player_ytcfg, master_ytcfg)
2822         syncid = self._extract_account_syncid(player_ytcfg, master_ytcfg, initial_pr)
2823         sts = self._extract_signature_timestamp(video_id, player_url, master_ytcfg, fatal=False) if player_url else None
2824         headers = self.generate_api_headers(
2825             ytcfg=player_ytcfg, account_syncid=syncid, session_index=session_index, default_client=client)
2826
2827         yt_query = {'videoId': video_id}
2828         yt_query.update(self._generate_player_context(sts))
2829         return self._extract_response(
2830             item_id=video_id, ep='player', query=yt_query,
2831             ytcfg=player_ytcfg, headers=headers, fatal=True,
2832             default_client=client,
2833             note='Downloading %s player API JSON' % client.replace('_', ' ').strip()
2834         ) or None
2835
2836     def _get_requested_clients(self, url, smuggled_data):
2837         requested_clients = []
2838         default = ['android', 'web']
2839         allowed_clients = sorted(
2840             [client for client in INNERTUBE_CLIENTS.keys() if client[:1] != '_'],
2841             key=lambda client: INNERTUBE_CLIENTS[client]['priority'], reverse=True)
2842         for client in self._configuration_arg('player_client'):
2843             if client in allowed_clients:
2844                 requested_clients.append(client)
2845             elif client == 'default':
2846                 requested_clients.extend(default)
2847             elif client == 'all':
2848                 requested_clients.extend(allowed_clients)
2849             else:
2850                 self.report_warning(f'Skipping unsupported client {client}')
2851         if not requested_clients:
2852             requested_clients = default
2853
2854         if smuggled_data.get('is_music_url') or self.is_music_url(url):
2855             requested_clients.extend(
2856                 f'{client}_music' for client in requested_clients if f'{client}_music' in INNERTUBE_CLIENTS)
2857
2858         return orderedSet(requested_clients)
2859
2860     def _extract_player_ytcfg(self, client, video_id):
2861         url = {
2862             'web_music': 'https://music.youtube.com',
2863             'web_embedded': f'https://www.youtube.com/embed/{video_id}?html5=1'
2864         }.get(client)
2865         if not url:
2866             return {}
2867         webpage = self._download_webpage(url, video_id, fatal=False, note='Downloading %s config' % client.replace('_', ' ').strip())
2868         return self.extract_ytcfg(video_id, webpage) or {}
2869
2870     def _extract_player_responses(self, clients, video_id, webpage, master_ytcfg):
2871         initial_pr = None
2872         if webpage:
2873             initial_pr = self._extract_yt_initial_variable(
2874                 webpage, self._YT_INITIAL_PLAYER_RESPONSE_RE,
2875                 video_id, 'initial player response')
2876
2877         original_clients = clients
2878         clients = clients[::-1]
2879         prs = []
2880
2881         def append_client(client_name):
2882             if client_name in INNERTUBE_CLIENTS and client_name not in original_clients:
2883                 clients.append(client_name)
2884
2885         # Android player_response does not have microFormats which are needed for
2886         # extraction of some data. So we return the initial_pr with formats
2887         # stripped out even if not requested by the user
2888         # See: https://github.com/yt-dlp/yt-dlp/issues/501
2889         if initial_pr:
2890             pr = dict(initial_pr)
2891             pr['streamingData'] = None
2892             prs.append(pr)
2893
2894         last_error = None
2895         tried_iframe_fallback = False
2896         player_url = None
2897         while clients:
2898             client = clients.pop()
2899             player_ytcfg = master_ytcfg if client == 'web' else {}
2900             if 'configs' not in self._configuration_arg('player_skip'):
2901                 player_ytcfg = self._extract_player_ytcfg(client, video_id) or player_ytcfg
2902
2903             player_url = player_url or self._extract_player_url(master_ytcfg, player_ytcfg, webpage=webpage)
2904             require_js_player = self._get_default_ytcfg(client).get('REQUIRE_JS_PLAYER')
2905             if 'js' in self._configuration_arg('player_skip'):
2906                 require_js_player = False
2907                 player_url = None
2908
2909             if not player_url and not tried_iframe_fallback and require_js_player:
2910                 player_url = self._download_player_url(video_id)
2911                 tried_iframe_fallback = True
2912
2913             try:
2914                 pr = initial_pr if client == 'web' and initial_pr else self._extract_player_response(
2915                     client, video_id, player_ytcfg or master_ytcfg, player_ytcfg, player_url if require_js_player else None, initial_pr)
2916             except ExtractorError as e:
2917                 if last_error:
2918                     self.report_warning(last_error)
2919                 last_error = e
2920                 continue
2921
2922             if pr:
2923                 prs.append(pr)
2924
2925             # creator clients can bypass AGE_VERIFICATION_REQUIRED if logged in
2926             if client.endswith('_agegate') and self._is_unplayable(pr) and self.is_authenticated:
2927                 append_client(client.replace('_agegate', '_creator'))
2928             elif self._is_agegated(pr):
2929                 append_client(f'{client}_agegate')
2930
2931         if last_error:
2932             if not len(prs):
2933                 raise last_error
2934             self.report_warning(last_error)
2935         return prs, player_url
2936
2937     def _extract_formats(self, streaming_data, video_id, player_url, is_live):
2938         itags, stream_ids = {}, []
2939         itag_qualities, res_qualities = {}, {}
2940         q = qualities([
2941             # Normally tiny is the smallest video-only formats. But
2942             # audio-only formats with unknown quality may get tagged as tiny
2943             'tiny',
2944             'audio_quality_ultralow', 'audio_quality_low', 'audio_quality_medium', 'audio_quality_high',  # Audio only formats
2945             'small', 'medium', 'large', 'hd720', 'hd1080', 'hd1440', 'hd2160', 'hd2880', 'highres'
2946         ])
2947         streaming_formats = traverse_obj(streaming_data, (..., ('formats', 'adaptiveFormats'), ...), default=[])
2948
2949         for fmt in streaming_formats:
2950             if fmt.get('targetDurationSec') or fmt.get('drmFamilies'):
2951                 continue
2952
2953             itag = str_or_none(fmt.get('itag'))
2954             audio_track = fmt.get('audioTrack') or {}
2955             stream_id = '%s.%s' % (itag or '', audio_track.get('id', ''))
2956             if stream_id in stream_ids:
2957                 continue
2958
2959             quality = fmt.get('quality')
2960             height = int_or_none(fmt.get('height'))
2961             if quality == 'tiny' or not quality:
2962                 quality = fmt.get('audioQuality', '').lower() or quality
2963             # The 3gp format (17) in android client has a quality of "small",
2964             # but is actually worse than other formats
2965             if itag == '17':
2966                 quality = 'tiny'
2967             if quality:
2968                 if itag:
2969                     itag_qualities[itag] = quality
2970                 if height:
2971                     res_qualities[height] = quality
2972             # FORMAT_STREAM_TYPE_OTF(otf=1) requires downloading the init fragment
2973             # (adding `&sq=0` to the URL) and parsing emsg box to determine the
2974             # number of fragment that would subsequently requested with (`&sq=N`)
2975             if fmt.get('type') == 'FORMAT_STREAM_TYPE_OTF':
2976                 continue
2977
2978             fmt_url = fmt.get('url')
2979             if not fmt_url:
2980                 sc = compat_parse_qs(fmt.get('signatureCipher'))
2981                 fmt_url = url_or_none(try_get(sc, lambda x: x['url'][0]))
2982                 encrypted_sig = try_get(sc, lambda x: x['s'][0])
2983                 if not (sc and fmt_url and encrypted_sig):
2984                     continue
2985                 if not player_url:
2986                     continue
2987                 signature = self._decrypt_signature(sc['s'][0], video_id, player_url)
2988                 sp = try_get(sc, lambda x: x['sp'][0]) or 'signature'
2989                 fmt_url += '&' + sp + '=' + signature
2990
2991             query = parse_qs(fmt_url)
2992             throttled = False
2993             if query.get('n'):
2994                 try:
2995                     fmt_url = update_url_query(fmt_url, {
2996                         'n': self._decrypt_nsig(query['n'][0], video_id, player_url)})
2997                 except ExtractorError as e:
2998                     self.report_warning(
2999                         f'nsig extraction failed: You may experience throttling for some formats\n'
3000                         f'n = {query["n"][0]} ; player = {player_url}\n{e}', only_once=True)
3001                     throttled = True
3002
3003             if itag:
3004                 itags[itag] = 'https'
3005                 stream_ids.append(stream_id)
3006
3007             tbr = float_or_none(
3008                 fmt.get('averageBitrate') or fmt.get('bitrate'), 1000)
3009             dct = {
3010                 'asr': int_or_none(fmt.get('audioSampleRate')),
3011                 'filesize': int_or_none(fmt.get('contentLength')),
3012                 'format_id': itag,
3013                 'format_note': join_nonempty(
3014                     '%s%s' % (audio_track.get('displayName') or '',
3015                               ' (default)' if audio_track.get('audioIsDefault') else ''),
3016                     fmt.get('qualityLabel') or quality.replace('audio_quality_', ''),
3017                     throttled and 'THROTTLED', delim=', '),
3018                 'source_preference': -10 if throttled else -1,
3019                 'fps': int_or_none(fmt.get('fps')) or None,
3020                 'height': height,
3021                 'quality': q(quality),
3022                 'tbr': tbr,
3023                 'url': fmt_url,
3024                 'width': int_or_none(fmt.get('width')),
3025                 'language': audio_track.get('id', '').split('.')[0],
3026                 'language_preference': 1 if audio_track.get('audioIsDefault') else -1,
3027             }
3028             mime_mobj = re.match(
3029                 r'((?:[^/]+)/(?:[^;]+))(?:;\s*codecs="([^"]+)")?', fmt.get('mimeType') or '')
3030             if mime_mobj:
3031                 dct['ext'] = mimetype2ext(mime_mobj.group(1))
3032                 dct.update(parse_codecs(mime_mobj.group(2)))
3033             no_audio = dct.get('acodec') == 'none'
3034             no_video = dct.get('vcodec') == 'none'
3035             if no_audio:
3036                 dct['vbr'] = tbr
3037             if no_video:
3038                 dct['abr'] = tbr
3039             if no_audio or no_video:
3040                 dct['downloader_options'] = {
3041                     # Youtube throttles chunks >~10M
3042                     'http_chunk_size': 10485760,
3043                 }
3044                 if dct.get('ext'):
3045                     dct['container'] = dct['ext'] + '_dash'
3046             yield dct
3047
3048         live_from_start = is_live and self.get_param('live_from_start')
3049         skip_manifests = self._configuration_arg('skip')
3050         if not self.get_param('youtube_include_hls_manifest', True):
3051             skip_manifests.append('hls')
3052         get_dash = 'dash' not in skip_manifests and (
3053             not is_live or live_from_start or self._configuration_arg('include_live_dash'))
3054         get_hls = not live_from_start and 'hls' not in skip_manifests
3055
3056         def process_manifest_format(f, proto, itag):
3057             if itag in itags:
3058                 if itags[itag] == proto or f'{itag}-{proto}' in itags:
3059                     return False
3060                 itag = f'{itag}-{proto}'
3061             if itag:
3062                 f['format_id'] = itag
3063                 itags[itag] = proto
3064
3065             f['quality'] = next((
3066                 q(qdict[val])
3067                 for val, qdict in ((f.get('format_id', '').split('-')[0], itag_qualities), (f.get('height'), res_qualities))
3068                 if val in qdict), -1)
3069             return True
3070
3071         for sd in streaming_data:
3072             hls_manifest_url = get_hls and sd.get('hlsManifestUrl')
3073             if hls_manifest_url:
3074                 for f in self._extract_m3u8_formats(hls_manifest_url, video_id, 'mp4', fatal=False):
3075                     if process_manifest_format(f, 'hls', self._search_regex(
3076                             r'/itag/(\d+)', f['url'], 'itag', default=None)):
3077                         yield f
3078
3079             dash_manifest_url = get_dash and sd.get('dashManifestUrl')
3080             if dash_manifest_url:
3081                 for f in self._extract_mpd_formats(dash_manifest_url, video_id, fatal=False):
3082                     if process_manifest_format(f, 'dash', f['format_id']):
3083                         f['filesize'] = int_or_none(self._search_regex(
3084                             r'/clen/(\d+)', f.get('fragment_base_url') or f['url'], 'file size', default=None))
3085                         if live_from_start:
3086                             f['is_from_start'] = True
3087
3088                         yield f
3089
3090     def _extract_storyboard(self, player_responses, duration):
3091         spec = get_first(
3092             player_responses, ('storyboards', 'playerStoryboardSpecRenderer', 'spec'), default='').split('|')[::-1]
3093         base_url = url_or_none(urljoin('https://i.ytimg.com/', spec.pop() or None))
3094         if not base_url:
3095             return
3096         L = len(spec) - 1
3097         for i, args in enumerate(spec):
3098             args = args.split('#')
3099             counts = list(map(int_or_none, args[:5]))
3100             if len(args) != 8 or not all(counts):
3101                 self.report_warning(f'Malformed storyboard {i}: {"#".join(args)}{bug_reports_message()}')
3102                 continue
3103             width, height, frame_count, cols, rows = counts
3104             N, sigh = args[6:]
3105
3106             url = base_url.replace('$L', str(L - i)).replace('$N', N) + f'&sigh={sigh}'
3107             fragment_count = frame_count / (cols * rows)
3108             fragment_duration = duration / fragment_count
3109             yield {
3110                 'format_id': f'sb{i}',
3111                 'format_note': 'storyboard',
3112                 'ext': 'mhtml',
3113                 'protocol': 'mhtml',
3114                 'acodec': 'none',
3115                 'vcodec': 'none',
3116                 'url': url,
3117                 'width': width,
3118                 'height': height,
3119                 'fragments': [{
3120                     'path': url.replace('$M', str(j)),
3121                     'duration': min(fragment_duration, duration - (j * fragment_duration)),
3122                 } for j in range(math.ceil(fragment_count))],
3123             }
3124
3125     def _download_player_responses(self, url, smuggled_data, video_id, webpage_url):
3126         webpage = None
3127         if 'webpage' not in self._configuration_arg('player_skip'):
3128             webpage = self._download_webpage(
3129                 webpage_url + '&bpctr=9999999999&has_verified=1', video_id, fatal=False)
3130
3131         master_ytcfg = self.extract_ytcfg(video_id, webpage) or self._get_default_ytcfg()
3132
3133         player_responses, player_url = self._extract_player_responses(
3134             self._get_requested_clients(url, smuggled_data),
3135             video_id, webpage, master_ytcfg)
3136
3137         return webpage, master_ytcfg, player_responses, player_url
3138
3139     def _list_formats(self, video_id, microformats, video_details, player_responses, player_url):
3140         live_broadcast_details = traverse_obj(microformats, (..., 'liveBroadcastDetails'))
3141         is_live = get_first(video_details, 'isLive')
3142         if is_live is None:
3143             is_live = get_first(live_broadcast_details, 'isLiveNow')
3144
3145         streaming_data = traverse_obj(player_responses, (..., 'streamingData'), default=[])
3146         formats = list(self._extract_formats(streaming_data, video_id, player_url, is_live))
3147
3148         return live_broadcast_details, is_live, streaming_data, formats
3149
3150     def _real_extract(self, url):
3151         url, smuggled_data = unsmuggle_url(url, {})
3152         video_id = self._match_id(url)
3153
3154         base_url = self.http_scheme() + '//www.youtube.com/'
3155         webpage_url = base_url + 'watch?v=' + video_id
3156
3157         webpage, master_ytcfg, player_responses, player_url = self._download_player_responses(url, smuggled_data, video_id, webpage_url)
3158
3159         playability_statuses = traverse_obj(
3160             player_responses, (..., 'playabilityStatus'), expected_type=dict, default=[])
3161
3162         trailer_video_id = get_first(
3163             playability_statuses,
3164             ('errorScreen', 'playerLegacyDesktopYpcTrailerRenderer', 'trailerVideoId'),
3165             expected_type=str)
3166         if trailer_video_id:
3167             return self.url_result(
3168                 trailer_video_id, self.ie_key(), trailer_video_id)
3169
3170         search_meta = ((lambda x: self._html_search_meta(x, webpage, default=None))
3171                        if webpage else (lambda x: None))
3172
3173         video_details = traverse_obj(
3174             player_responses, (..., 'videoDetails'), expected_type=dict, default=[])
3175         microformats = traverse_obj(
3176             player_responses, (..., 'microformat', 'playerMicroformatRenderer'),
3177             expected_type=dict, default=[])
3178         video_title = (
3179             get_first(video_details, 'title')
3180             or self._get_text(microformats, (..., 'title'))
3181             or search_meta(['og:title', 'twitter:title', 'title']))
3182         video_description = get_first(video_details, 'shortDescription')
3183
3184         multifeed_metadata_list = get_first(
3185             player_responses,
3186             ('multicamera', 'playerLegacyMulticameraRenderer', 'metadataList'),
3187             expected_type=str)
3188         if multifeed_metadata_list and not smuggled_data.get('force_singlefeed'):
3189             if self.get_param('noplaylist'):
3190                 self.to_screen('Downloading just video %s because of --no-playlist' % video_id)
3191             else:
3192                 entries = []
3193                 feed_ids = []
3194                 for feed in multifeed_metadata_list.split(','):
3195                     # Unquote should take place before split on comma (,) since textual
3196                     # fields may contain comma as well (see
3197                     # https://github.com/ytdl-org/youtube-dl/issues/8536)
3198                     feed_data = compat_parse_qs(
3199                         compat_urllib_parse_unquote_plus(feed))
3200
3201                     def feed_entry(name):
3202                         return try_get(
3203                             feed_data, lambda x: x[name][0], compat_str)
3204
3205                     feed_id = feed_entry('id')
3206                     if not feed_id:
3207                         continue
3208                     feed_title = feed_entry('title')
3209                     title = video_title
3210                     if feed_title:
3211                         title += ' (%s)' % feed_title
3212                     entries.append({
3213                         '_type': 'url_transparent',
3214                         'ie_key': 'Youtube',
3215                         'url': smuggle_url(
3216                             '%swatch?v=%s' % (base_url, feed_data['id'][0]),
3217                             {'force_singlefeed': True}),
3218                         'title': title,
3219                     })
3220                     feed_ids.append(feed_id)
3221                 self.to_screen(
3222                     'Downloading multifeed video (%s) - add --no-playlist to just download video %s'
3223                     % (', '.join(feed_ids), video_id))
3224                 return self.playlist_result(
3225                     entries, video_id, video_title, video_description)
3226
3227         live_broadcast_details, is_live, streaming_data, formats = self._list_formats(video_id, microformats, video_details, player_responses, player_url)
3228
3229         if not formats:
3230             if not self.get_param('allow_unplayable_formats') and traverse_obj(streaming_data, (..., 'licenseInfos')):
3231                 self.report_drm(video_id)
3232             pemr = get_first(
3233                 playability_statuses,
3234                 ('errorScreen', 'playerErrorMessageRenderer'), expected_type=dict) or {}
3235             reason = self._get_text(pemr, 'reason') or get_first(playability_statuses, 'reason')
3236             subreason = clean_html(self._get_text(pemr, 'subreason') or '')
3237             if subreason:
3238                 if subreason == 'The uploader has not made this video available in your country.':
3239                     countries = get_first(microformats, 'availableCountries')
3240                     if not countries:
3241                         regions_allowed = search_meta('regionsAllowed')
3242                         countries = regions_allowed.split(',') if regions_allowed else None
3243                     self.raise_geo_restricted(subreason, countries, metadata_available=True)
3244                 reason += f'. {subreason}'
3245             if reason:
3246                 self.raise_no_formats(reason, expected=True)
3247
3248         keywords = get_first(video_details, 'keywords', expected_type=list) or []
3249         if not keywords and webpage:
3250             keywords = [
3251                 unescapeHTML(m.group('content'))
3252                 for m in re.finditer(self._meta_regex('og:video:tag'), webpage)]
3253         for keyword in keywords:
3254             if keyword.startswith('yt:stretch='):
3255                 mobj = re.search(r'(\d+)\s*:\s*(\d+)', keyword)
3256                 if mobj:
3257                     # NB: float is intentional for forcing float division
3258                     w, h = (float(v) for v in mobj.groups())
3259                     if w > 0 and h > 0:
3260                         ratio = w / h
3261                         for f in formats:
3262                             if f.get('vcodec') != 'none':
3263                                 f['stretched_ratio'] = ratio
3264                         break
3265         thumbnails = self._extract_thumbnails((video_details, microformats), (..., ..., 'thumbnail'))
3266         thumbnail_url = search_meta(['og:image', 'twitter:image'])
3267         if thumbnail_url:
3268             thumbnails.append({
3269                 'url': thumbnail_url,
3270             })
3271         original_thumbnails = thumbnails.copy()
3272
3273         # The best resolution thumbnails sometimes does not appear in the webpage
3274         # See: https://github.com/ytdl-org/youtube-dl/issues/29049, https://github.com/yt-dlp/yt-dlp/issues/340
3275         # List of possible thumbnails - Ref: <https://stackoverflow.com/a/20542029>
3276         thumbnail_names = [
3277             'maxresdefault', 'hq720', 'sddefault', 'sd1', 'sd2', 'sd3',
3278             'hqdefault', 'hq1', 'hq2', 'hq3', '0',
3279             'mqdefault', 'mq1', 'mq2', 'mq3',
3280             'default', '1', '2', '3'
3281         ]
3282         n_thumbnail_names = len(thumbnail_names)
3283         thumbnails.extend({
3284             'url': 'https://i.ytimg.com/vi{webp}/{video_id}/{name}{live}.{ext}'.format(
3285                 video_id=video_id, name=name, ext=ext,
3286                 webp='_webp' if ext == 'webp' else '', live='_live' if is_live else ''),
3287         } for name in thumbnail_names for ext in ('webp', 'jpg'))
3288         for thumb in thumbnails:
3289             i = next((i for i, t in enumerate(thumbnail_names) if f'/{video_id}/{t}' in thumb['url']), n_thumbnail_names)
3290             thumb['preference'] = (0 if '.webp' in thumb['url'] else -1) - (2 * i)
3291         self._remove_duplicate_formats(thumbnails)
3292         self._downloader._sort_thumbnails(original_thumbnails)
3293
3294         category = get_first(microformats, 'category') or search_meta('genre')
3295         channel_id = str_or_none(
3296             get_first(video_details, 'channelId')
3297             or get_first(microformats, 'externalChannelId')
3298             or search_meta('channelId'))
3299         duration = int_or_none(
3300             get_first(video_details, 'lengthSeconds')
3301             or get_first(microformats, 'lengthSeconds')
3302             or parse_duration(search_meta('duration'))) or None
3303         owner_profile_url = get_first(microformats, 'ownerProfileUrl')
3304
3305         live_content = get_first(video_details, 'isLiveContent')
3306         is_upcoming = get_first(video_details, 'isUpcoming')
3307         if is_live is None:
3308             if is_upcoming or live_content is False:
3309                 is_live = False
3310         if is_upcoming is None and (live_content or is_live):
3311             is_upcoming = False
3312         live_start_time = parse_iso8601(get_first(live_broadcast_details, 'startTimestamp'))
3313         live_end_time = parse_iso8601(get_first(live_broadcast_details, 'endTimestamp'))
3314         if not duration and live_end_time and live_start_time:
3315             duration = live_end_time - live_start_time
3316
3317         if is_live and self.get_param('live_from_start'):
3318             self._prepare_live_from_start_formats(formats, video_id, live_start_time, url, webpage_url, smuggled_data)
3319
3320         formats.extend(self._extract_storyboard(player_responses, duration))
3321
3322         # Source is given priority since formats that throttle are given lower source_preference
3323         # When throttling issue is fully fixed, remove this
3324         self._sort_formats(formats, ('quality', 'res', 'fps', 'hdr:12', 'source', 'codec:vp9.2', 'lang', 'proto'))
3325
3326         info = {
3327             'id': video_id,
3328             'title': video_title,
3329             'formats': formats,
3330             'thumbnails': thumbnails,
3331             # The best thumbnail that we are sure exists. Prevents unnecessary
3332             # URL checking if user don't care about getting the best possible thumbnail
3333             'thumbnail': traverse_obj(original_thumbnails, (-1, 'url')),
3334             'description': video_description,
3335             'upload_date': unified_strdate(
3336                 get_first(microformats, 'uploadDate')
3337                 or search_meta('uploadDate')),
3338             'uploader': get_first(video_details, 'author'),
3339             'uploader_id': self._search_regex(r'/(?:channel|user)/([^/?&#]+)', owner_profile_url, 'uploader id') if owner_profile_url else None,
3340             'uploader_url': owner_profile_url,
3341             'channel_id': channel_id,
3342             'channel_url': format_field(channel_id, template='https://www.youtube.com/channel/%s'),
3343             'duration': duration,
3344             'view_count': int_or_none(
3345                 get_first((video_details, microformats), (..., 'viewCount'))
3346                 or search_meta('interactionCount')),
3347             'average_rating': float_or_none(get_first(video_details, 'averageRating')),
3348             'age_limit': 18 if (
3349                 get_first(microformats, 'isFamilySafe') is False
3350                 or search_meta('isFamilyFriendly') == 'false'
3351                 or search_meta('og:restrictions:age') == '18+') else 0,
3352             'webpage_url': webpage_url,
3353             'categories': [category] if category else None,
3354             'tags': keywords,
3355             'playable_in_embed': get_first(playability_statuses, 'playableInEmbed'),
3356             'is_live': is_live,
3357             'was_live': (False if is_live or is_upcoming or live_content is False
3358                          else None if is_live is None or is_upcoming is None
3359                          else live_content),
3360             'live_status': 'is_upcoming' if is_upcoming else None,  # rest will be set by YoutubeDL
3361             'release_timestamp': live_start_time,
3362         }
3363
3364         pctr = traverse_obj(player_responses, (..., 'captions', 'playerCaptionsTracklistRenderer'), expected_type=dict)
3365         if pctr:
3366             def get_lang_code(track):
3367                 return (remove_start(track.get('vssId') or '', '.').replace('.', '-')
3368                         or track.get('languageCode'))
3369
3370             # Converted into dicts to remove duplicates
3371             captions = {
3372                 get_lang_code(sub): sub
3373                 for sub in traverse_obj(pctr, (..., 'captionTracks', ...), default=[])}
3374             translation_languages = {
3375                 lang.get('languageCode'): self._get_text(lang.get('languageName'), max_runs=1)
3376                 for lang in traverse_obj(pctr, (..., 'translationLanguages', ...), default=[])}
3377
3378             def process_language(container, base_url, lang_code, sub_name, query):
3379                 lang_subs = container.setdefault(lang_code, [])
3380                 for fmt in self._SUBTITLE_FORMATS:
3381                     query.update({
3382                         'fmt': fmt,
3383                     })
3384                     lang_subs.append({
3385                         'ext': fmt,
3386                         'url': update_url_query(base_url, query),
3387                         'name': sub_name,
3388                     })
3389
3390             subtitles, automatic_captions = {}, {}
3391             for lang_code, caption_track in captions.items():
3392                 base_url = caption_track.get('baseUrl')
3393                 if not base_url:
3394                     continue
3395                 lang_name = self._get_text(caption_track, 'name', max_runs=1)
3396                 if caption_track.get('kind') != 'asr':
3397                     if not lang_code:
3398                         continue
3399                     process_language(
3400                         subtitles, base_url, lang_code, lang_name, {})
3401                     if not caption_track.get('isTranslatable'):
3402                         continue
3403                 for trans_code, trans_name in translation_languages.items():
3404                     if not trans_code:
3405                         continue
3406                     if caption_track.get('kind') != 'asr':
3407                         trans_code += f'-{lang_code}'
3408                         trans_name += format_field(lang_name, template=' from %s')
3409                     process_language(
3410                         automatic_captions, base_url, trans_code, trans_name, {'tlang': trans_code})
3411             info['automatic_captions'] = automatic_captions
3412             info['subtitles'] = subtitles
3413
3414         parsed_url = compat_urllib_parse_urlparse(url)
3415         for component in [parsed_url.fragment, parsed_url.query]:
3416             query = compat_parse_qs(component)
3417             for k, v in query.items():
3418                 for d_k, s_ks in [('start', ('start', 't')), ('end', ('end',))]:
3419                     d_k += '_time'
3420                     if d_k not in info and k in s_ks:
3421                         info[d_k] = parse_duration(query[k][0])
3422
3423         # Youtube Music Auto-generated description
3424         if video_description:
3425             mobj = re.search(r'(?s)(?P<track>[^·\n]+)·(?P<artist>[^\n]+)\n+(?P<album>[^\n]+)(?:.+?℗\s*(?P<release_year>\d{4})(?!\d))?(?:.+?Released on\s*:\s*(?P<release_date>\d{4}-\d{2}-\d{2}))?(.+?\nArtist\s*:\s*(?P<clean_artist>[^\n]+))?.+\nAuto-generated by YouTube\.\s*$', video_description)
3426             if mobj:
3427                 release_year = mobj.group('release_year')
3428                 release_date = mobj.group('release_date')
3429                 if release_date:
3430                     release_date = release_date.replace('-', '')
3431                     if not release_year:
3432                         release_year = release_date[:4]
3433                 info.update({
3434                     'album': mobj.group('album'.strip()),
3435                     'artist': mobj.group('clean_artist') or ', '.join(a.strip() for a in mobj.group('artist').split('·')),
3436                     'track': mobj.group('track').strip(),
3437                     'release_date': release_date,
3438                     'release_year': int_or_none(release_year),
3439                 })
3440
3441         initial_data = None
3442         if webpage:
3443             initial_data = self._extract_yt_initial_variable(
3444                 webpage, self._YT_INITIAL_DATA_RE, video_id,
3445                 'yt initial data')
3446         if not initial_data:
3447             query = {'videoId': video_id}
3448             query.update(self._get_checkok_params())
3449             initial_data = self._extract_response(
3450                 item_id=video_id, ep='next', fatal=False,
3451                 ytcfg=master_ytcfg, query=query,
3452                 headers=self.generate_api_headers(ytcfg=master_ytcfg),
3453                 note='Downloading initial data API JSON')
3454
3455         try:
3456             # This will error if there is no livechat
3457             initial_data['contents']['twoColumnWatchNextResults']['conversationBar']['liveChatRenderer']['continuations'][0]['reloadContinuationData']['continuation']
3458             info.setdefault('subtitles', {})['live_chat'] = [{
3459                 'url': 'https://www.youtube.com/watch?v=%s' % video_id,  # url is needed to set cookies
3460                 'video_id': video_id,
3461                 'ext': 'json',
3462                 'protocol': 'youtube_live_chat' if is_live or is_upcoming else 'youtube_live_chat_replay',
3463             }]
3464         except (KeyError, IndexError, TypeError):
3465             pass
3466
3467         if initial_data:
3468             info['chapters'] = (
3469                 self._extract_chapters_from_json(initial_data, duration)
3470                 or self._extract_chapters_from_engagement_panel(initial_data, duration)
3471                 or None)
3472
3473             contents = try_get(
3474                 initial_data,
3475                 lambda x: x['contents']['twoColumnWatchNextResults']['results']['results']['contents'],
3476                 list) or []
3477             for content in contents:
3478                 vpir = content.get('videoPrimaryInfoRenderer')
3479                 if vpir:
3480                     stl = vpir.get('superTitleLink')
3481                     if stl:
3482                         stl = self._get_text(stl)
3483                         if try_get(
3484                                 vpir,
3485                                 lambda x: x['superTitleIcon']['iconType']) == 'LOCATION_PIN':
3486                             info['location'] = stl
3487                         else:
3488                             mobj = re.search(r'(.+?)\s*S(\d+)\s*•\s*E(\d+)', stl)
3489                             if mobj:
3490                                 info.update({
3491                                     'series': mobj.group(1),
3492                                     'season_number': int(mobj.group(2)),
3493                                     'episode_number': int(mobj.group(3)),
3494                                 })
3495                     for tlb in (try_get(
3496                             vpir,
3497                             lambda x: x['videoActions']['menuRenderer']['topLevelButtons'],
3498                             list) or []):
3499                         tbr = tlb.get('toggleButtonRenderer') or {}
3500                         for getter, regex in [(
3501                                 lambda x: x['defaultText']['accessibility']['accessibilityData'],
3502                                 r'(?P<count>[\d,]+)\s*(?P<type>(?:dis)?like)'), ([
3503                                     lambda x: x['accessibility'],
3504                                     lambda x: x['accessibilityData']['accessibilityData'],
3505                                 ], r'(?P<type>(?:dis)?like) this video along with (?P<count>[\d,]+) other people')]:
3506                             label = (try_get(tbr, getter, dict) or {}).get('label')
3507                             if label:
3508                                 mobj = re.match(regex, label)
3509                                 if mobj:
3510                                     info[mobj.group('type') + '_count'] = str_to_int(mobj.group('count'))
3511                                     break
3512                     sbr_tooltip = try_get(
3513                         vpir, lambda x: x['sentimentBar']['sentimentBarRenderer']['tooltip'])
3514                     if sbr_tooltip:
3515                         like_count, dislike_count = sbr_tooltip.split(' / ')
3516                         info.update({
3517                             'like_count': str_to_int(like_count),
3518                             'dislike_count': str_to_int(dislike_count),
3519                         })
3520                 vsir = content.get('videoSecondaryInfoRenderer')
3521                 if vsir:
3522                     vor = traverse_obj(vsir, ('owner', 'videoOwnerRenderer'))
3523                     info.update({
3524                         'channel': self._get_text(vor, 'title'),
3525                         'channel_follower_count': self._get_count(vor, 'subscriberCountText')})
3526
3527                     rows = try_get(
3528                         vsir,
3529                         lambda x: x['metadataRowContainer']['metadataRowContainerRenderer']['rows'],
3530                         list) or []
3531                     multiple_songs = False
3532                     for row in rows:
3533                         if try_get(row, lambda x: x['metadataRowRenderer']['hasDividerLine']) is True:
3534                             multiple_songs = True
3535                             break
3536                     for row in rows:
3537                         mrr = row.get('metadataRowRenderer') or {}
3538                         mrr_title = mrr.get('title')
3539                         if not mrr_title:
3540                             continue
3541                         mrr_title = self._get_text(mrr, 'title')
3542                         mrr_contents_text = self._get_text(mrr, ('contents', 0))
3543                         if mrr_title == 'License':
3544                             info['license'] = mrr_contents_text
3545                         elif not multiple_songs:
3546                             if mrr_title == 'Album':
3547                                 info['album'] = mrr_contents_text
3548                             elif mrr_title == 'Artist':
3549                                 info['artist'] = mrr_contents_text
3550                             elif mrr_title == 'Song':
3551                                 info['track'] = mrr_contents_text
3552
3553         fallbacks = {
3554             'channel': 'uploader',
3555             'channel_id': 'uploader_id',
3556             'channel_url': 'uploader_url',
3557         }
3558         for to, frm in fallbacks.items():
3559             if not info.get(to):
3560                 info[to] = info.get(frm)
3561
3562         for s_k, d_k in [('artist', 'creator'), ('track', 'alt_title')]:
3563             v = info.get(s_k)
3564             if v:
3565                 info[d_k] = v
3566
3567         is_private = get_first(video_details, 'isPrivate', expected_type=bool)
3568         is_unlisted = get_first(microformats, 'isUnlisted', expected_type=bool)
3569         is_membersonly = None
3570         is_premium = None
3571         if initial_data and is_private is not None:
3572             is_membersonly = False
3573             is_premium = False
3574             contents = try_get(initial_data, lambda x: x['contents']['twoColumnWatchNextResults']['results']['results']['contents'], list) or []
3575             badge_labels = set()
3576             for content in contents:
3577                 if not isinstance(content, dict):
3578                     continue
3579                 badge_labels.update(self._extract_badges(content.get('videoPrimaryInfoRenderer')))
3580             for badge_label in badge_labels:
3581                 if badge_label.lower() == 'members only':
3582                     is_membersonly = True
3583                 elif badge_label.lower() == 'premium':
3584                     is_premium = True
3585                 elif badge_label.lower() == 'unlisted':
3586                     is_unlisted = True
3587
3588         info['availability'] = self._availability(
3589             is_private=is_private,
3590             needs_premium=is_premium,
3591             needs_subscription=is_membersonly,
3592             needs_auth=info['age_limit'] >= 18,
3593             is_unlisted=None if is_private is None else is_unlisted)
3594
3595         info['__post_extractor'] = self.extract_comments(master_ytcfg, video_id, contents, webpage)
3596
3597         self.mark_watched(video_id, player_responses)
3598
3599         return info
3600
3601
3602 class YoutubeTabBaseInfoExtractor(YoutubeBaseInfoExtractor):
3603
3604     def _extract_channel_id(self, webpage):
3605         channel_id = self._html_search_meta(
3606             'channelId', webpage, 'channel id', default=None)
3607         if channel_id:
3608             return channel_id
3609         channel_url = self._html_search_meta(
3610             ('og:url', 'al:ios:url', 'al:android:url', 'al:web:url',
3611              'twitter:url', 'twitter:app:url:iphone', 'twitter:app:url:ipad',
3612              'twitter:app:url:googleplay'), webpage, 'channel url')
3613         return self._search_regex(
3614             r'https?://(?:www\.)?youtube\.com/channel/([^/?#&])+',
3615             channel_url, 'channel id')
3616
3617     @staticmethod
3618     def _extract_basic_item_renderer(item):
3619         # Modified from _extract_grid_item_renderer
3620         known_basic_renderers = (
3621             'playlistRenderer', 'videoRenderer', 'channelRenderer', 'showRenderer'
3622         )
3623         for key, renderer in item.items():
3624             if not isinstance(renderer, dict):
3625                 continue
3626             elif key in known_basic_renderers:
3627                 return renderer
3628             elif key.startswith('grid') and key.endswith('Renderer'):
3629                 return renderer
3630
3631     def _grid_entries(self, grid_renderer):
3632         for item in grid_renderer['items']:
3633             if not isinstance(item, dict):
3634                 continue
3635             renderer = self._extract_basic_item_renderer(item)
3636             if not isinstance(renderer, dict):
3637                 continue
3638             title = self._get_text(renderer, 'title')
3639
3640             # playlist
3641             playlist_id = renderer.get('playlistId')
3642             if playlist_id:
3643                 yield self.url_result(
3644                     'https://www.youtube.com/playlist?list=%s' % playlist_id,
3645                     ie=YoutubeTabIE.ie_key(), video_id=playlist_id,
3646                     video_title=title)
3647                 continue
3648             # video
3649             video_id = renderer.get('videoId')
3650             if video_id:
3651                 yield self._extract_video(renderer)
3652                 continue
3653             # channel
3654             channel_id = renderer.get('channelId')
3655             if channel_id:
3656                 yield self.url_result(
3657                     'https://www.youtube.com/channel/%s' % channel_id,
3658                     ie=YoutubeTabIE.ie_key(), video_title=title)
3659                 continue
3660             # generic endpoint URL support
3661             ep_url = urljoin('https://www.youtube.com/', try_get(
3662                 renderer, lambda x: x['navigationEndpoint']['commandMetadata']['webCommandMetadata']['url'],
3663                 compat_str))
3664             if ep_url:
3665                 for ie in (YoutubeTabIE, YoutubePlaylistIE, YoutubeIE):
3666                     if ie.suitable(ep_url):
3667                         yield self.url_result(
3668                             ep_url, ie=ie.ie_key(), video_id=ie._match_id(ep_url), video_title=title)
3669                         break
3670
3671     def _shelf_entries_from_content(self, shelf_renderer):
3672         content = shelf_renderer.get('content')
3673         if not isinstance(content, dict):
3674             return
3675         renderer = content.get('gridRenderer') or content.get('expandedShelfContentsRenderer')
3676         if renderer:
3677             # TODO: add support for nested playlists so each shelf is processed
3678             # as separate playlist
3679             # TODO: this includes only first N items
3680             for entry in self._grid_entries(renderer):
3681                 yield entry
3682         renderer = content.get('horizontalListRenderer')
3683         if renderer:
3684             # TODO
3685             pass
3686
3687     def _shelf_entries(self, shelf_renderer, skip_channels=False):
3688         ep = try_get(
3689             shelf_renderer, lambda x: x['endpoint']['commandMetadata']['webCommandMetadata']['url'],
3690             compat_str)
3691         shelf_url = urljoin('https://www.youtube.com', ep)
3692         if shelf_url:
3693             # Skipping links to another channels, note that checking for
3694             # endpoint.commandMetadata.webCommandMetadata.webPageTypwebPageType == WEB_PAGE_TYPE_CHANNEL
3695             # will not work
3696             if skip_channels and '/channels?' in shelf_url:
3697                 return
3698             title = self._get_text(shelf_renderer, 'title')
3699             yield self.url_result(shelf_url, video_title=title)
3700         # Shelf may not contain shelf URL, fallback to extraction from content
3701         for entry in self._shelf_entries_from_content(shelf_renderer):
3702             yield entry
3703
3704     def _playlist_entries(self, video_list_renderer):
3705         for content in video_list_renderer['contents']:
3706             if not isinstance(content, dict):
3707                 continue
3708             renderer = content.get('playlistVideoRenderer') or content.get('playlistPanelVideoRenderer')
3709             if not isinstance(renderer, dict):
3710                 continue
3711             video_id = renderer.get('videoId')
3712             if not video_id:
3713                 continue
3714             yield self._extract_video(renderer)
3715
3716     def _rich_entries(self, rich_grid_renderer):
3717         renderer = try_get(
3718             rich_grid_renderer, lambda x: x['content']['videoRenderer'], dict) or {}
3719         video_id = renderer.get('videoId')
3720         if not video_id:
3721             return
3722         yield self._extract_video(renderer)
3723
3724     def _video_entry(self, video_renderer):
3725         video_id = video_renderer.get('videoId')
3726         if video_id:
3727             return self._extract_video(video_renderer)
3728
3729     def _post_thread_entries(self, post_thread_renderer):
3730         post_renderer = try_get(
3731             post_thread_renderer, lambda x: x['post']['backstagePostRenderer'], dict)
3732         if not post_renderer:
3733             return
3734         # video attachment
3735         video_renderer = try_get(
3736             post_renderer, lambda x: x['backstageAttachment']['videoRenderer'], dict) or {}
3737         video_id = video_renderer.get('videoId')
3738         if video_id:
3739             entry = self._extract_video(video_renderer)
3740             if entry:
3741                 yield entry
3742         # playlist attachment
3743         playlist_id = try_get(
3744             post_renderer, lambda x: x['backstageAttachment']['playlistRenderer']['playlistId'], compat_str)
3745         if playlist_id:
3746             yield self.url_result(
3747                 'https://www.youtube.com/playlist?list=%s' % playlist_id,
3748                 ie=YoutubeTabIE.ie_key(), video_id=playlist_id)
3749         # inline video links
3750         runs = try_get(post_renderer, lambda x: x['contentText']['runs'], list) or []
3751         for run in runs:
3752             if not isinstance(run, dict):
3753                 continue
3754             ep_url = try_get(
3755                 run, lambda x: x['navigationEndpoint']['urlEndpoint']['url'], compat_str)
3756             if not ep_url:
3757                 continue
3758             if not YoutubeIE.suitable(ep_url):
3759                 continue
3760             ep_video_id = YoutubeIE._match_id(ep_url)
3761             if video_id == ep_video_id:
3762                 continue
3763             yield self.url_result(ep_url, ie=YoutubeIE.ie_key(), video_id=ep_video_id)
3764
3765     def _post_thread_continuation_entries(self, post_thread_continuation):
3766         contents = post_thread_continuation.get('contents')
3767         if not isinstance(contents, list):
3768             return
3769         for content in contents:
3770             renderer = content.get('backstagePostThreadRenderer')
3771             if not isinstance(renderer, dict):
3772                 continue
3773             for entry in self._post_thread_entries(renderer):
3774                 yield entry
3775
3776     r''' # unused
3777     def _rich_grid_entries(self, contents):
3778         for content in contents:
3779             video_renderer = try_get(content, lambda x: x['richItemRenderer']['content']['videoRenderer'], dict)
3780             if video_renderer:
3781                 entry = self._video_entry(video_renderer)
3782                 if entry:
3783                     yield entry
3784     '''
3785     def _extract_entries(self, parent_renderer, continuation_list):
3786         # continuation_list is modified in-place with continuation_list = [continuation_token]
3787         continuation_list[:] = [None]
3788         contents = try_get(parent_renderer, lambda x: x['contents'], list) or []
3789         for content in contents:
3790             if not isinstance(content, dict):
3791                 continue
3792             is_renderer = try_get(content, lambda x: x['itemSectionRenderer'], dict)
3793             if not is_renderer:
3794                 renderer = content.get('richItemRenderer')
3795                 if renderer:
3796                     for entry in self._rich_entries(renderer):
3797                         yield entry
3798                     continuation_list[0] = self._extract_continuation(parent_renderer)
3799                 continue
3800             isr_contents = try_get(is_renderer, lambda x: x['contents'], list) or []
3801             for isr_content in isr_contents:
3802                 if not isinstance(isr_content, dict):
3803                     continue
3804
3805                 known_renderers = {
3806                     'playlistVideoListRenderer': self._playlist_entries,
3807                     'gridRenderer': self._grid_entries,
3808                     'shelfRenderer': lambda x: self._shelf_entries(x),
3809                     'backstagePostThreadRenderer': self._post_thread_entries,
3810                     'videoRenderer': lambda x: [self._video_entry(x)],
3811                     'playlistRenderer': lambda x: self._grid_entries({'items': [{'playlistRenderer': x}]}),
3812                     'channelRenderer': lambda x: self._grid_entries({'items': [{'channelRenderer': x}]}),
3813                 }
3814                 for key, renderer in isr_content.items():
3815                     if key not in known_renderers:
3816                         continue
3817                     for entry in known_renderers[key](renderer):
3818                         if entry:
3819                             yield entry
3820                     continuation_list[0] = self._extract_continuation(renderer)
3821                     break
3822
3823             if not continuation_list[0]:
3824                 continuation_list[0] = self._extract_continuation(is_renderer)
3825
3826         if not continuation_list[0]:
3827             continuation_list[0] = self._extract_continuation(parent_renderer)
3828
3829     def _entries(self, tab, item_id, ytcfg, account_syncid, visitor_data):
3830         continuation_list = [None]
3831         extract_entries = lambda x: self._extract_entries(x, continuation_list)
3832         tab_content = try_get(tab, lambda x: x['content'], dict)
3833         if not tab_content:
3834             return
3835         parent_renderer = (
3836             try_get(tab_content, lambda x: x['sectionListRenderer'], dict)
3837             or try_get(tab_content, lambda x: x['richGridRenderer'], dict) or {})
3838         for entry in extract_entries(parent_renderer):
3839             yield entry
3840         continuation = continuation_list[0]
3841
3842         for page_num in itertools.count(1):
3843             if not continuation:
3844                 break
3845             headers = self.generate_api_headers(
3846                 ytcfg=ytcfg, account_syncid=account_syncid, visitor_data=visitor_data)
3847             response = self._extract_response(
3848                 item_id='%s page %s' % (item_id, page_num),
3849                 query=continuation, headers=headers, ytcfg=ytcfg,
3850                 check_get_keys=('continuationContents', 'onResponseReceivedActions', 'onResponseReceivedEndpoints'))
3851
3852             if not response:
3853                 break
3854             # Extracting updated visitor data is required to prevent an infinite extraction loop in some cases
3855             # See: https://github.com/ytdl-org/youtube-dl/issues/28702
3856             visitor_data = self._extract_visitor_data(response) or visitor_data
3857
3858             known_continuation_renderers = {
3859                 'playlistVideoListContinuation': self._playlist_entries,
3860                 'gridContinuation': self._grid_entries,
3861                 'itemSectionContinuation': self._post_thread_continuation_entries,
3862                 'sectionListContinuation': extract_entries,  # for feeds
3863             }
3864             continuation_contents = try_get(
3865                 response, lambda x: x['continuationContents'], dict) or {}
3866             continuation_renderer = None
3867             for key, value in continuation_contents.items():
3868                 if key not in known_continuation_renderers:
3869                     continue
3870                 continuation_renderer = value
3871                 continuation_list = [None]
3872                 for entry in known_continuation_renderers[key](continuation_renderer):
3873                     yield entry
3874                 continuation = continuation_list[0] or self._extract_continuation(continuation_renderer)
3875                 break
3876             if continuation_renderer:
3877                 continue
3878
3879             known_renderers = {
3880                 'gridPlaylistRenderer': (self._grid_entries, 'items'),
3881                 'gridVideoRenderer': (self._grid_entries, 'items'),
3882                 'gridChannelRenderer': (self._grid_entries, 'items'),
3883                 'playlistVideoRenderer': (self._playlist_entries, 'contents'),
3884                 'itemSectionRenderer': (extract_entries, 'contents'),  # for feeds
3885                 'richItemRenderer': (extract_entries, 'contents'),  # for hashtag
3886                 'backstagePostThreadRenderer': (self._post_thread_continuation_entries, 'contents')
3887             }
3888             on_response_received = dict_get(response, ('onResponseReceivedActions', 'onResponseReceivedEndpoints'))
3889             continuation_items = try_get(
3890                 on_response_received, lambda x: x[0]['appendContinuationItemsAction']['continuationItems'], list)
3891             continuation_item = try_get(continuation_items, lambda x: x[0], dict) or {}
3892             video_items_renderer = None
3893             for key, value in continuation_item.items():
3894                 if key not in known_renderers:
3895                     continue
3896                 video_items_renderer = {known_renderers[key][1]: continuation_items}
3897                 continuation_list = [None]
3898                 for entry in known_renderers[key][0](video_items_renderer):
3899                     yield entry
3900                 continuation = continuation_list[0] or self._extract_continuation(video_items_renderer)
3901                 break
3902             if video_items_renderer:
3903                 continue
3904             break
3905
3906     @staticmethod
3907     def _extract_selected_tab(tabs):
3908         for tab in tabs:
3909             renderer = dict_get(tab, ('tabRenderer', 'expandableTabRenderer')) or {}
3910             if renderer.get('selected') is True:
3911                 return renderer
3912         else:
3913             raise ExtractorError('Unable to find selected tab')
3914
3915     @classmethod
3916     def _extract_uploader(cls, data):
3917         uploader = {}
3918         renderer = cls._extract_sidebar_info_renderer(data, 'playlistSidebarSecondaryInfoRenderer') or {}
3919         owner = try_get(
3920             renderer, lambda x: x['videoOwner']['videoOwnerRenderer']['title']['runs'][0], dict)
3921         if owner:
3922             uploader['uploader'] = owner.get('text')
3923             uploader['uploader_id'] = try_get(
3924                 owner, lambda x: x['navigationEndpoint']['browseEndpoint']['browseId'], compat_str)
3925             uploader['uploader_url'] = urljoin(
3926                 'https://www.youtube.com/',
3927                 try_get(owner, lambda x: x['navigationEndpoint']['browseEndpoint']['canonicalBaseUrl'], compat_str))
3928         return {k: v for k, v in uploader.items() if v is not None}
3929
3930     def _extract_from_tabs(self, item_id, ytcfg, data, tabs):
3931         playlist_id = title = description = channel_url = channel_name = channel_id = None
3932         tags = []
3933
3934         selected_tab = self._extract_selected_tab(tabs)
3935         primary_sidebar_renderer = self._extract_sidebar_info_renderer(data, 'playlistSidebarPrimaryInfoRenderer')
3936         renderer = try_get(
3937             data, lambda x: x['metadata']['channelMetadataRenderer'], dict)
3938         if renderer:
3939             channel_name = renderer.get('title')
3940             channel_url = renderer.get('channelUrl')
3941             channel_id = renderer.get('externalId')
3942         else:
3943             renderer = try_get(
3944                 data, lambda x: x['metadata']['playlistMetadataRenderer'], dict)
3945
3946         if renderer:
3947             title = renderer.get('title')
3948             description = renderer.get('description', '')
3949             playlist_id = channel_id
3950             tags = renderer.get('keywords', '').split()
3951
3952         # We can get the uncropped banner/avatar by replacing the crop params with '=s0'
3953         # See: https://github.com/yt-dlp/yt-dlp/issues/2237#issuecomment-1013694714
3954         def _get_uncropped(url):
3955             return url_or_none((url or '').split('=')[0] + '=s0')
3956
3957         avatar_thumbnails = self._extract_thumbnails(renderer, 'avatar')
3958         if avatar_thumbnails:
3959             uncropped_avatar = _get_uncropped(avatar_thumbnails[0]['url'])
3960             if uncropped_avatar:
3961                 avatar_thumbnails.append({
3962                     'url': uncropped_avatar,
3963                     'id': 'avatar_uncropped',
3964                     'preference': 1
3965                 })
3966
3967         channel_banners = self._extract_thumbnails(
3968             data, ('header', ..., ['banner', 'mobileBanner', 'tvBanner']))
3969         for banner in channel_banners:
3970             banner['preference'] = -10
3971
3972         if channel_banners:
3973             uncropped_banner = _get_uncropped(channel_banners[0]['url'])
3974             if uncropped_banner:
3975                 channel_banners.append({
3976                     'url': uncropped_banner,
3977                     'id': 'banner_uncropped',
3978                     'preference': -5
3979                 })
3980
3981         primary_thumbnails = self._extract_thumbnails(
3982             primary_sidebar_renderer, ('thumbnailRenderer', 'playlistVideoThumbnailRenderer', 'thumbnail'))
3983
3984         if playlist_id is None:
3985             playlist_id = item_id
3986
3987         playlist_stats = traverse_obj(primary_sidebar_renderer, 'stats')
3988         last_updated_unix, _ = self._extract_time_text(playlist_stats, 2)
3989         if title is None:
3990             title = self._get_text(data, ('header', 'hashtagHeaderRenderer', 'hashtag')) or playlist_id
3991         title += format_field(selected_tab, 'title', ' - %s')
3992         title += format_field(selected_tab, 'expandedText', ' - %s')
3993
3994         metadata = {
3995             'playlist_id': playlist_id,
3996             'playlist_title': title,
3997             'playlist_description': description,
3998             'uploader': channel_name,
3999             'uploader_id': channel_id,
4000             'uploader_url': channel_url,
4001             'thumbnails': primary_thumbnails + avatar_thumbnails + channel_banners,
4002             'tags': tags,
4003             'view_count': self._get_count(playlist_stats, 1),
4004             'availability': self._extract_availability(data),
4005             'modified_date': strftime_or_none(last_updated_unix, '%Y%m%d'),
4006             'playlist_count': self._get_count(playlist_stats, 0),
4007             'channel_follower_count': self._get_count(data, ('header', ..., 'subscriberCountText')),
4008         }
4009         if not channel_id:
4010             metadata.update(self._extract_uploader(data))
4011         metadata.update({
4012             'channel': metadata['uploader'],
4013             'channel_id': metadata['uploader_id'],
4014             'channel_url': metadata['uploader_url']})
4015         return self.playlist_result(
4016             self._entries(
4017                 selected_tab, playlist_id, ytcfg,
4018                 self._extract_account_syncid(ytcfg, data),
4019                 self._extract_visitor_data(data, ytcfg)),
4020             **metadata)
4021
4022     def _extract_mix_playlist(self, playlist, playlist_id, data, ytcfg):
4023         first_id = last_id = response = None
4024         for page_num in itertools.count(1):
4025             videos = list(self._playlist_entries(playlist))
4026             if not videos:
4027                 return
4028             start = next((i for i, v in enumerate(videos) if v['id'] == last_id), -1) + 1
4029             if start >= len(videos):
4030                 return
4031             for video in videos[start:]:
4032                 if video['id'] == first_id:
4033                     self.to_screen('First video %s found again; Assuming end of Mix' % first_id)
4034                     return
4035                 yield video
4036             first_id = first_id or videos[0]['id']
4037             last_id = videos[-1]['id']
4038             watch_endpoint = try_get(
4039                 playlist, lambda x: x['contents'][-1]['playlistPanelVideoRenderer']['navigationEndpoint']['watchEndpoint'])
4040             headers = self.generate_api_headers(
4041                 ytcfg=ytcfg, account_syncid=self._extract_account_syncid(ytcfg, data),
4042                 visitor_data=self._extract_visitor_data(response, data, ytcfg))
4043             query = {
4044                 'playlistId': playlist_id,
4045                 'videoId': watch_endpoint.get('videoId') or last_id,
4046                 'index': watch_endpoint.get('index') or len(videos),
4047                 'params': watch_endpoint.get('params') or 'OAE%3D'
4048             }
4049             response = self._extract_response(
4050                 item_id='%s page %d' % (playlist_id, page_num),
4051                 query=query, ep='next', headers=headers, ytcfg=ytcfg,
4052                 check_get_keys='contents'
4053             )
4054             playlist = try_get(
4055                 response, lambda x: x['contents']['twoColumnWatchNextResults']['playlist']['playlist'], dict)
4056
4057     def _extract_from_playlist(self, item_id, url, data, playlist, ytcfg):
4058         title = playlist.get('title') or try_get(
4059             data, lambda x: x['titleText']['simpleText'], compat_str)
4060         playlist_id = playlist.get('playlistId') or item_id
4061
4062         # Delegating everything except mix playlists to regular tab-based playlist URL
4063         playlist_url = urljoin(url, try_get(
4064             playlist, lambda x: x['endpoint']['commandMetadata']['webCommandMetadata']['url'],
4065             compat_str))
4066         if playlist_url and playlist_url != url:
4067             return self.url_result(
4068                 playlist_url, ie=YoutubeTabIE.ie_key(), video_id=playlist_id,
4069                 video_title=title)
4070
4071         return self.playlist_result(
4072             self._extract_mix_playlist(playlist, playlist_id, data, ytcfg),
4073             playlist_id=playlist_id, playlist_title=title)
4074
4075     def _extract_availability(self, data):
4076         """
4077         Gets the availability of a given playlist/tab.
4078         Note: Unless YouTube tells us explicitly, we do not assume it is public
4079         @param data: response
4080         """
4081         is_private = is_unlisted = None
4082         renderer = self._extract_sidebar_info_renderer(data, 'playlistSidebarPrimaryInfoRenderer') or {}
4083         badge_labels = self._extract_badges(renderer)
4084
4085         # Personal playlists, when authenticated, have a dropdown visibility selector instead of a badge
4086         privacy_dropdown_entries = try_get(
4087             renderer, lambda x: x['privacyForm']['dropdownFormFieldRenderer']['dropdown']['dropdownRenderer']['entries'], list) or []
4088         for renderer_dict in privacy_dropdown_entries:
4089             is_selected = try_get(
4090                 renderer_dict, lambda x: x['privacyDropdownItemRenderer']['isSelected'], bool) or False
4091             if not is_selected:
4092                 continue
4093             label = self._get_text(renderer_dict, ('privacyDropdownItemRenderer', 'label'))
4094             if label:
4095                 badge_labels.add(label.lower())
4096                 break
4097
4098         for badge_label in badge_labels:
4099             if badge_label == 'unlisted':
4100                 is_unlisted = True
4101             elif badge_label == 'private':
4102                 is_private = True
4103             elif badge_label == 'public':
4104                 is_unlisted = is_private = False
4105         return self._availability(is_private, False, False, False, is_unlisted)
4106
4107     @staticmethod
4108     def _extract_sidebar_info_renderer(data, info_renderer, expected_type=dict):
4109         sidebar_renderer = try_get(
4110             data, lambda x: x['sidebar']['playlistSidebarRenderer']['items'], list) or []
4111         for item in sidebar_renderer:
4112             renderer = try_get(item, lambda x: x[info_renderer], expected_type)
4113             if renderer:
4114                 return renderer
4115
4116     def _reload_with_unavailable_videos(self, item_id, data, ytcfg):
4117         """
4118         Get playlist with unavailable videos if the 'show unavailable videos' button exists.
4119         """
4120         browse_id = params = None
4121         renderer = self._extract_sidebar_info_renderer(data, 'playlistSidebarPrimaryInfoRenderer')
4122         if not renderer:
4123             return
4124         menu_renderer = try_get(
4125             renderer, lambda x: x['menu']['menuRenderer']['items'], list) or []
4126         for menu_item in menu_renderer:
4127             if not isinstance(menu_item, dict):
4128                 continue
4129             nav_item_renderer = menu_item.get('menuNavigationItemRenderer')
4130             text = try_get(
4131                 nav_item_renderer, lambda x: x['text']['simpleText'], compat_str)
4132             if not text or text.lower() != 'show unavailable videos':
4133                 continue
4134             browse_endpoint = try_get(
4135                 nav_item_renderer, lambda x: x['navigationEndpoint']['browseEndpoint'], dict) or {}
4136             browse_id = browse_endpoint.get('browseId')
4137             params = browse_endpoint.get('params')
4138             break
4139
4140         headers = self.generate_api_headers(
4141             ytcfg=ytcfg, account_syncid=self._extract_account_syncid(ytcfg, data),
4142             visitor_data=self._extract_visitor_data(data, ytcfg))
4143         query = {
4144             'params': params or 'wgYCCAA=',
4145             'browseId': browse_id or 'VL%s' % item_id
4146         }
4147         return self._extract_response(
4148             item_id=item_id, headers=headers, query=query,
4149             check_get_keys='contents', fatal=False, ytcfg=ytcfg,
4150             note='Downloading API JSON with unavailable videos')
4151
4152     def _extract_webpage(self, url, item_id, fatal=True):
4153         retries = self.get_param('extractor_retries', 3)
4154         count = -1
4155         webpage = data = last_error = None
4156         while count < retries:
4157             count += 1
4158             # Sometimes youtube returns a webpage with incomplete ytInitialData
4159             # See: https://github.com/yt-dlp/yt-dlp/issues/116
4160             if last_error:
4161                 self.report_warning('%s. Retrying ...' % last_error)
4162             try:
4163                 webpage = self._download_webpage(
4164                     url, item_id,
4165                     note='Downloading webpage%s' % (' (retry #%d)' % count if count else '',))
4166                 data = self.extract_yt_initial_data(item_id, webpage or '', fatal=fatal) or {}
4167             except ExtractorError as e:
4168                 if isinstance(e.cause, network_exceptions):
4169                     if not isinstance(e.cause, compat_HTTPError) or e.cause.code not in (403, 429):
4170                         last_error = error_to_compat_str(e.cause or e.msg)
4171                         if count < retries:
4172                             continue
4173                 if fatal:
4174                     raise
4175                 self.report_warning(error_to_compat_str(e))
4176                 break
4177             else:
4178                 try:
4179                     self._extract_and_report_alerts(data)
4180                 except ExtractorError as e:
4181                     if fatal:
4182                         raise
4183                     self.report_warning(error_to_compat_str(e))
4184                     break
4185
4186                 if dict_get(data, ('contents', 'currentVideoEndpoint')):
4187                     break
4188
4189                 last_error = 'Incomplete yt initial data received'
4190                 if count >= retries:
4191                     if fatal:
4192                         raise ExtractorError(last_error)
4193                     self.report_warning(last_error)
4194                     break
4195
4196         return webpage, data
4197
4198     def _extract_data(self, url, item_id, ytcfg=None, fatal=True, webpage_fatal=False, default_client='web'):
4199         data = None
4200         if 'webpage' not in self._configuration_arg('skip'):
4201             webpage, data = self._extract_webpage(url, item_id, fatal=webpage_fatal)
4202             ytcfg = ytcfg or self.extract_ytcfg(item_id, webpage)
4203         if not data:
4204             if not ytcfg and self.is_authenticated:
4205                 msg = 'Playlists that require authentication may not extract correctly without a successful webpage download.'
4206                 if 'authcheck' not in self._configuration_arg('skip') and fatal:
4207                     raise ExtractorError(
4208                         msg + ' If you are not downloading private content, or your cookies are only for the first account and channel,'
4209                               ' pass "--extractor-args youtubetab:skip=authcheck" to skip this check',
4210                         expected=True)
4211                 self.report_warning(msg, only_once=True)
4212             data = self._extract_tab_endpoint(url, item_id, ytcfg, fatal=fatal, default_client=default_client)
4213         return data, ytcfg
4214
4215     def _extract_tab_endpoint(self, url, item_id, ytcfg=None, fatal=True, default_client='web'):
4216         headers = self.generate_api_headers(ytcfg=ytcfg, default_client=default_client)
4217         resolve_response = self._extract_response(
4218             item_id=item_id, query={'url': url}, check_get_keys='endpoint', headers=headers, ytcfg=ytcfg, fatal=fatal,
4219             ep='navigation/resolve_url', note='Downloading API parameters API JSON', default_client=default_client)
4220         endpoints = {'browseEndpoint': 'browse', 'watchEndpoint': 'next'}
4221         for ep_key, ep in endpoints.items():
4222             params = try_get(resolve_response, lambda x: x['endpoint'][ep_key], dict)
4223             if params:
4224                 return self._extract_response(
4225                     item_id=item_id, query=params, ep=ep, headers=headers,
4226                     ytcfg=ytcfg, fatal=fatal, default_client=default_client,
4227                     check_get_keys=('contents', 'currentVideoEndpoint'))
4228         err_note = 'Failed to resolve url (does the playlist exist?)'
4229         if fatal:
4230             raise ExtractorError(err_note, expected=True)
4231         self.report_warning(err_note, item_id)
4232
4233     @staticmethod
4234     def _smuggle_data(entries, data):
4235         for entry in entries:
4236             if data:
4237                 entry['url'] = smuggle_url(entry['url'], data)
4238             yield entry
4239
4240     _SEARCH_PARAMS = None
4241
4242     def _search_results(self, query, params=NO_DEFAULT):
4243         data = {'query': query}
4244         if params is NO_DEFAULT:
4245             params = self._SEARCH_PARAMS
4246         if params:
4247             data['params'] = params
4248         continuation_list = [None]
4249         for page_num in itertools.count(1):
4250             data.update(continuation_list[0] or {})
4251             search = self._extract_response(
4252                 item_id='query "%s" page %s' % (query, page_num), ep='search', query=data,
4253                 check_get_keys=('contents', 'onResponseReceivedCommands'))
4254             slr_contents = try_get(
4255                 search,
4256                 (lambda x: x['contents']['twoColumnSearchResultsRenderer']['primaryContents']['sectionListRenderer']['contents'],
4257                  lambda x: x['onResponseReceivedCommands'][0]['appendContinuationItemsAction']['continuationItems']),
4258                 list)
4259             yield from self._extract_entries({'contents': slr_contents}, continuation_list)
4260             if not continuation_list[0]:
4261                 break
4262
4263
4264 class YoutubeTabIE(YoutubeTabBaseInfoExtractor):
4265     IE_DESC = 'YouTube Tabs'
4266     _VALID_URL = r'''(?x:
4267         https?://
4268             (?:\w+\.)?
4269             (?:
4270                 youtube(?:kids)?\.com|
4271                 %(invidious)s
4272             )/
4273             (?:
4274                 (?P<channel_type>channel|c|user|browse)/|
4275                 (?P<not_channel>
4276                     feed/|hashtag/|
4277                     (?:playlist|watch)\?.*?\blist=
4278                 )|
4279                 (?!(?:%(reserved_names)s)\b)  # Direct URLs
4280             )
4281             (?P<id>[^/?\#&]+)
4282     )''' % {
4283         'reserved_names': YoutubeBaseInfoExtractor._RESERVED_NAMES,
4284         'invidious': '|'.join(YoutubeBaseInfoExtractor._INVIDIOUS_SITES),
4285     }
4286     IE_NAME = 'youtube:tab'
4287
4288     _TESTS = [{
4289         'note': 'playlists, multipage',
4290         'url': 'https://www.youtube.com/c/ИгорьКлейнер/playlists?view=1&flow=grid',
4291         'playlist_mincount': 94,
4292         'info_dict': {
4293             'id': 'UCqj7Cz7revf5maW9g5pgNcg',
4294             'title': 'Igor Kleiner - Playlists',
4295             'description': 'md5:be97ee0f14ee314f1f002cf187166ee2',
4296             'uploader': 'Igor Kleiner',
4297             'uploader_id': 'UCqj7Cz7revf5maW9g5pgNcg',
4298             'channel': 'Igor Kleiner',
4299             'channel_id': 'UCqj7Cz7revf5maW9g5pgNcg',
4300             'tags': ['"критическое', 'мышление"', '"наука', 'просто"', 'математика', '"анализ', 'данных"'],
4301             'channel_url': 'https://www.youtube.com/channel/UCqj7Cz7revf5maW9g5pgNcg',
4302             'uploader_url': 'https://www.youtube.com/channel/UCqj7Cz7revf5maW9g5pgNcg',
4303             'channel_follower_count': int
4304         },
4305     }, {
4306         'note': 'playlists, multipage, different order',
4307         'url': 'https://www.youtube.com/user/igorkle1/playlists?view=1&sort=dd',
4308         'playlist_mincount': 94,
4309         'info_dict': {
4310             'id': 'UCqj7Cz7revf5maW9g5pgNcg',
4311             'title': 'Igor Kleiner - Playlists',
4312             'description': 'md5:be97ee0f14ee314f1f002cf187166ee2',
4313             'uploader_id': 'UCqj7Cz7revf5maW9g5pgNcg',
4314             'uploader': 'Igor Kleiner',
4315             'uploader_url': 'https://www.youtube.com/channel/UCqj7Cz7revf5maW9g5pgNcg',
4316             'tags': ['"критическое', 'мышление"', '"наука', 'просто"', 'математика', '"анализ', 'данных"'],
4317             'channel_id': 'UCqj7Cz7revf5maW9g5pgNcg',
4318             'channel': 'Igor Kleiner',
4319             'channel_url': 'https://www.youtube.com/channel/UCqj7Cz7revf5maW9g5pgNcg',
4320             'channel_follower_count': int
4321         },
4322     }, {
4323         'note': 'playlists, series',
4324         'url': 'https://www.youtube.com/c/3blue1brown/playlists?view=50&sort=dd&shelf_id=3',
4325         'playlist_mincount': 5,
4326         'info_dict': {
4327             'id': 'UCYO_jab_esuFRV4b17AJtAw',
4328             'title': '3Blue1Brown - Playlists',
4329             'description': 'md5:e1384e8a133307dd10edee76e875d62f',
4330             'uploader_id': 'UCYO_jab_esuFRV4b17AJtAw',
4331             'uploader': '3Blue1Brown',
4332             'channel_url': 'https://www.youtube.com/channel/UCYO_jab_esuFRV4b17AJtAw',
4333             'uploader_url': 'https://www.youtube.com/channel/UCYO_jab_esuFRV4b17AJtAw',
4334             'channel': '3Blue1Brown',
4335             'channel_id': 'UCYO_jab_esuFRV4b17AJtAw',
4336             'tags': ['Mathematics'],
4337             'channel_follower_count': int
4338         },
4339     }, {
4340         'note': 'playlists, singlepage',
4341         'url': 'https://www.youtube.com/user/ThirstForScience/playlists',
4342         'playlist_mincount': 4,
4343         'info_dict': {
4344             'id': 'UCAEtajcuhQ6an9WEzY9LEMQ',
4345             'title': 'ThirstForScience - Playlists',
4346             'description': 'md5:609399d937ea957b0f53cbffb747a14c',
4347             'uploader': 'ThirstForScience',
4348             'uploader_id': 'UCAEtajcuhQ6an9WEzY9LEMQ',
4349             'uploader_url': 'https://www.youtube.com/channel/UCAEtajcuhQ6an9WEzY9LEMQ',
4350             'channel_url': 'https://www.youtube.com/channel/UCAEtajcuhQ6an9WEzY9LEMQ',
4351             'channel_id': 'UCAEtajcuhQ6an9WEzY9LEMQ',
4352             'tags': 'count:13',
4353             'channel': 'ThirstForScience',
4354             'channel_follower_count': int
4355         }
4356     }, {
4357         'url': 'https://www.youtube.com/c/ChristophLaimer/playlists',
4358         'only_matching': True,
4359     }, {
4360         'note': 'basic, single video playlist',
4361         'url': 'https://www.youtube.com/playlist?list=PL4lCao7KL_QFVb7Iudeipvc2BCavECqzc',
4362         'info_dict': {
4363             'uploader_id': 'UCmlqkdCBesrv2Lak1mF_MxA',
4364             'uploader': 'Sergey M.',
4365             'id': 'PL4lCao7KL_QFVb7Iudeipvc2BCavECqzc',
4366             'title': 'youtube-dl public playlist',
4367             'description': '',
4368             'tags': [],
4369             'view_count': int,
4370             'modified_date': '20201130',
4371             'channel': 'Sergey M.',
4372             'channel_id': 'UCmlqkdCBesrv2Lak1mF_MxA',
4373             'uploader_url': 'https://www.youtube.com/channel/UCmlqkdCBesrv2Lak1mF_MxA',
4374             'channel_url': 'https://www.youtube.com/channel/UCmlqkdCBesrv2Lak1mF_MxA',
4375         },
4376         'playlist_count': 1,
4377     }, {
4378         'note': 'empty playlist',
4379         'url': 'https://www.youtube.com/playlist?list=PL4lCao7KL_QFodcLWhDpGCYnngnHtQ-Xf',
4380         'info_dict': {
4381             'uploader_id': 'UCmlqkdCBesrv2Lak1mF_MxA',
4382             'uploader': 'Sergey M.',
4383             'id': 'PL4lCao7KL_QFodcLWhDpGCYnngnHtQ-Xf',
4384             'title': 'youtube-dl empty playlist',
4385             'tags': [],
4386             'channel': 'Sergey M.',
4387             'description': '',
4388             'modified_date': '20160902',
4389             'channel_id': 'UCmlqkdCBesrv2Lak1mF_MxA',
4390             'channel_url': 'https://www.youtube.com/channel/UCmlqkdCBesrv2Lak1mF_MxA',
4391             'uploader_url': 'https://www.youtube.com/channel/UCmlqkdCBesrv2Lak1mF_MxA',
4392         },
4393         'playlist_count': 0,
4394     }, {
4395         'note': 'Home tab',
4396         'url': 'https://www.youtube.com/channel/UCKfVa3S1e4PHvxWcwyMMg8w/featured',
4397         'info_dict': {
4398             'id': 'UCKfVa3S1e4PHvxWcwyMMg8w',
4399             'title': 'lex will - Home',
4400             'description': 'md5:2163c5d0ff54ed5f598d6a7e6211e488',
4401             'uploader': 'lex will',
4402             'uploader_id': 'UCKfVa3S1e4PHvxWcwyMMg8w',
4403             'channel': 'lex will',
4404             'tags': ['bible', 'history', 'prophesy'],
4405             'uploader_url': 'https://www.youtube.com/channel/UCKfVa3S1e4PHvxWcwyMMg8w',
4406             'channel_url': 'https://www.youtube.com/channel/UCKfVa3S1e4PHvxWcwyMMg8w',
4407             'channel_id': 'UCKfVa3S1e4PHvxWcwyMMg8w',
4408             'channel_follower_count': int
4409         },
4410         'playlist_mincount': 2,
4411     }, {
4412         'note': 'Videos tab',
4413         'url': 'https://www.youtube.com/channel/UCKfVa3S1e4PHvxWcwyMMg8w/videos',
4414         'info_dict': {
4415             'id': 'UCKfVa3S1e4PHvxWcwyMMg8w',
4416             'title': 'lex will - Videos',
4417             'description': 'md5:2163c5d0ff54ed5f598d6a7e6211e488',
4418             'uploader': 'lex will',
4419             'uploader_id': 'UCKfVa3S1e4PHvxWcwyMMg8w',
4420             'tags': ['bible', 'history', 'prophesy'],
4421             'channel_url': 'https://www.youtube.com/channel/UCKfVa3S1e4PHvxWcwyMMg8w',
4422             'channel_id': 'UCKfVa3S1e4PHvxWcwyMMg8w',
4423             'uploader_url': 'https://www.youtube.com/channel/UCKfVa3S1e4PHvxWcwyMMg8w',
4424             'channel': 'lex will',
4425             'channel_follower_count': int
4426         },
4427         'playlist_mincount': 975,
4428     }, {
4429         'note': 'Videos tab, sorted by popular',
4430         'url': 'https://www.youtube.com/channel/UCKfVa3S1e4PHvxWcwyMMg8w/videos?view=0&sort=p&flow=grid',
4431         'info_dict': {
4432             'id': 'UCKfVa3S1e4PHvxWcwyMMg8w',
4433             'title': 'lex will - Videos',
4434             'description': 'md5:2163c5d0ff54ed5f598d6a7e6211e488',
4435             'uploader': 'lex will',
4436             'uploader_id': 'UCKfVa3S1e4PHvxWcwyMMg8w',
4437             'channel_id': 'UCKfVa3S1e4PHvxWcwyMMg8w',
4438             'uploader_url': 'https://www.youtube.com/channel/UCKfVa3S1e4PHvxWcwyMMg8w',
4439             'channel': 'lex will',
4440             'tags': ['bible', 'history', 'prophesy'],
4441             'channel_url': 'https://www.youtube.com/channel/UCKfVa3S1e4PHvxWcwyMMg8w',
4442             'channel_follower_count': int
4443         },
4444         'playlist_mincount': 199,
4445     }, {
4446         'note': 'Playlists tab',
4447         'url': 'https://www.youtube.com/channel/UCKfVa3S1e4PHvxWcwyMMg8w/playlists',
4448         'info_dict': {
4449             'id': 'UCKfVa3S1e4PHvxWcwyMMg8w',
4450             'title': 'lex will - Playlists',
4451             'description': 'md5:2163c5d0ff54ed5f598d6a7e6211e488',
4452             'uploader': 'lex will',
4453             'uploader_id': 'UCKfVa3S1e4PHvxWcwyMMg8w',
4454             'uploader_url': 'https://www.youtube.com/channel/UCKfVa3S1e4PHvxWcwyMMg8w',
4455             'channel': 'lex will',
4456             'channel_url': 'https://www.youtube.com/channel/UCKfVa3S1e4PHvxWcwyMMg8w',
4457             'channel_id': 'UCKfVa3S1e4PHvxWcwyMMg8w',
4458             'tags': ['bible', 'history', 'prophesy'],
4459             'channel_follower_count': int
4460         },
4461         'playlist_mincount': 17,
4462     }, {
4463         'note': 'Community tab',
4464         'url': 'https://www.youtube.com/channel/UCKfVa3S1e4PHvxWcwyMMg8w/community',
4465         'info_dict': {
4466             'id': 'UCKfVa3S1e4PHvxWcwyMMg8w',
4467             'title': 'lex will - Community',
4468             'description': 'md5:2163c5d0ff54ed5f598d6a7e6211e488',
4469             'uploader': 'lex will',
4470             'uploader_id': 'UCKfVa3S1e4PHvxWcwyMMg8w',
4471             'uploader_url': 'https://www.youtube.com/channel/UCKfVa3S1e4PHvxWcwyMMg8w',
4472             'channel': 'lex will',
4473             'channel_url': 'https://www.youtube.com/channel/UCKfVa3S1e4PHvxWcwyMMg8w',
4474             'channel_id': 'UCKfVa3S1e4PHvxWcwyMMg8w',
4475             'tags': ['bible', 'history', 'prophesy'],
4476             'channel_follower_count': int
4477         },
4478         'playlist_mincount': 18,
4479     }, {
4480         'note': 'Channels tab',
4481         'url': 'https://www.youtube.com/channel/UCKfVa3S1e4PHvxWcwyMMg8w/channels',
4482         'info_dict': {
4483             'id': 'UCKfVa3S1e4PHvxWcwyMMg8w',
4484             'title': 'lex will - Channels',
4485             'description': 'md5:2163c5d0ff54ed5f598d6a7e6211e488',
4486             'uploader': 'lex will',
4487             'uploader_id': 'UCKfVa3S1e4PHvxWcwyMMg8w',
4488             'uploader_url': 'https://www.youtube.com/channel/UCKfVa3S1e4PHvxWcwyMMg8w',
4489             'channel': 'lex will',
4490             'channel_url': 'https://www.youtube.com/channel/UCKfVa3S1e4PHvxWcwyMMg8w',
4491             'channel_id': 'UCKfVa3S1e4PHvxWcwyMMg8w',
4492             'tags': ['bible', 'history', 'prophesy'],
4493             'channel_follower_count': int
4494         },
4495         'playlist_mincount': 12,
4496     }, {
4497         'note': 'Search tab',
4498         'url': 'https://www.youtube.com/c/3blue1brown/search?query=linear%20algebra',
4499         'playlist_mincount': 40,
4500         'info_dict': {
4501             'id': 'UCYO_jab_esuFRV4b17AJtAw',
4502             'title': '3Blue1Brown - Search - linear algebra',
4503             'description': 'md5:e1384e8a133307dd10edee76e875d62f',
4504             'uploader': '3Blue1Brown',
4505             'uploader_id': 'UCYO_jab_esuFRV4b17AJtAw',
4506             'channel_url': 'https://www.youtube.com/channel/UCYO_jab_esuFRV4b17AJtAw',
4507             'uploader_url': 'https://www.youtube.com/channel/UCYO_jab_esuFRV4b17AJtAw',
4508             'tags': ['Mathematics'],
4509             'channel': '3Blue1Brown',
4510             'channel_id': 'UCYO_jab_esuFRV4b17AJtAw',
4511             'channel_follower_count': int
4512         },
4513     }, {
4514         'url': 'https://invidio.us/channel/UCmlqkdCBesrv2Lak1mF_MxA',
4515         'only_matching': True,
4516     }, {
4517         'url': 'https://www.youtubekids.com/channel/UCmlqkdCBesrv2Lak1mF_MxA',
4518         'only_matching': True,
4519     }, {
4520         'url': 'https://music.youtube.com/channel/UCmlqkdCBesrv2Lak1mF_MxA',
4521         'only_matching': True,
4522     }, {
4523         'note': 'Playlist with deleted videos (#651). As a bonus, the video #51 is also twice in this list.',
4524         'url': 'https://www.youtube.com/playlist?list=PLwP_SiAcdui0KVebT0mU9Apz359a4ubsC',
4525         'info_dict': {
4526             'title': '29C3: Not my department',
4527             'id': 'PLwP_SiAcdui0KVebT0mU9Apz359a4ubsC',
4528             'uploader': 'Christiaan008',
4529             'uploader_id': 'UCEPzS1rYsrkqzSLNp76nrcg',
4530             'description': 'md5:a14dc1a8ef8307a9807fe136a0660268',
4531             'tags': [],
4532             'uploader_url': 'https://www.youtube.com/c/ChRiStIaAn008',
4533             'view_count': int,
4534             'modified_date': '20150605',
4535             'channel_id': 'UCEPzS1rYsrkqzSLNp76nrcg',
4536             'channel_url': 'https://www.youtube.com/c/ChRiStIaAn008',
4537             'channel': 'Christiaan008',
4538         },
4539         'playlist_count': 96,
4540     }, {
4541         'note': 'Large playlist',
4542         'url': 'https://www.youtube.com/playlist?list=UUBABnxM4Ar9ten8Mdjj1j0Q',
4543         'info_dict': {
4544             'title': 'Uploads from Cauchemar',
4545             'id': 'UUBABnxM4Ar9ten8Mdjj1j0Q',
4546             'uploader': 'Cauchemar',
4547             'uploader_id': 'UCBABnxM4Ar9ten8Mdjj1j0Q',
4548             'channel_url': 'https://www.youtube.com/c/Cauchemar89',
4549             'tags': [],
4550             'modified_date': r're:\d{8}',
4551             'channel': 'Cauchemar',
4552             'uploader_url': 'https://www.youtube.com/c/Cauchemar89',
4553             'view_count': int,
4554             'description': '',
4555             'channel_id': 'UCBABnxM4Ar9ten8Mdjj1j0Q',
4556         },
4557         'playlist_mincount': 1123,
4558         'expected_warnings': [r'[Uu]navailable videos (are|will be) hidden'],
4559     }, {
4560         'note': 'even larger playlist, 8832 videos',
4561         'url': 'http://www.youtube.com/user/NASAgovVideo/videos',
4562         'only_matching': True,
4563     }, {
4564         'note': 'Buggy playlist: the webpage has a "Load more" button but it doesn\'t have more videos',
4565         'url': 'https://www.youtube.com/playlist?list=UUXw-G3eDE9trcvY2sBMM_aA',
4566         'info_dict': {
4567             'title': 'Uploads from Interstellar Movie',
4568             'id': 'UUXw-G3eDE9trcvY2sBMM_aA',
4569             'uploader': 'Interstellar Movie',
4570             'uploader_id': 'UCXw-G3eDE9trcvY2sBMM_aA',
4571             'uploader_url': 'https://www.youtube.com/c/InterstellarMovie',
4572             'tags': [],
4573             'view_count': int,
4574             'channel_id': 'UCXw-G3eDE9trcvY2sBMM_aA',
4575             'channel_url': 'https://www.youtube.com/c/InterstellarMovie',
4576             'channel': 'Interstellar Movie',
4577             'description': '',
4578             'modified_date': r're:\d{8}',
4579         },
4580         'playlist_mincount': 21,
4581     }, {
4582         'note': 'Playlist with "show unavailable videos" button',
4583         'url': 'https://www.youtube.com/playlist?list=UUTYLiWFZy8xtPwxFwX9rV7Q',
4584         'info_dict': {
4585             'title': 'Uploads from Phim Siêu Nhân Nhật Bản',
4586             'id': 'UUTYLiWFZy8xtPwxFwX9rV7Q',
4587             'uploader': 'Phim Siêu Nhân Nhật Bản',
4588             'uploader_id': 'UCTYLiWFZy8xtPwxFwX9rV7Q',
4589             'view_count': int,
4590             'channel': 'Phim Siêu Nhân Nhật Bản',
4591             'tags': [],
4592             'uploader_url': 'https://www.youtube.com/channel/UCTYLiWFZy8xtPwxFwX9rV7Q',
4593             'description': '',
4594             'channel_url': 'https://www.youtube.com/channel/UCTYLiWFZy8xtPwxFwX9rV7Q',
4595             'channel_id': 'UCTYLiWFZy8xtPwxFwX9rV7Q',
4596             'modified_date': r're:\d{8}',
4597         },
4598         'playlist_mincount': 200,
4599         'expected_warnings': [r'[Uu]navailable videos (are|will be) hidden'],
4600     }, {
4601         'note': 'Playlist with unavailable videos in page 7',
4602         'url': 'https://www.youtube.com/playlist?list=UU8l9frL61Yl5KFOl87nIm2w',
4603         'info_dict': {
4604             'title': 'Uploads from BlankTV',
4605             'id': 'UU8l9frL61Yl5KFOl87nIm2w',
4606             'uploader': 'BlankTV',
4607             'uploader_id': 'UC8l9frL61Yl5KFOl87nIm2w',
4608             'channel': 'BlankTV',
4609             'channel_url': 'https://www.youtube.com/c/blanktv',
4610             'channel_id': 'UC8l9frL61Yl5KFOl87nIm2w',
4611             'view_count': int,
4612             'tags': [],
4613             'uploader_url': 'https://www.youtube.com/c/blanktv',
4614             'modified_date': r're:\d{8}',
4615             'description': '',
4616         },
4617         'playlist_mincount': 1000,
4618         'expected_warnings': [r'[Uu]navailable videos (are|will be) hidden'],
4619     }, {
4620         'note': 'https://github.com/ytdl-org/youtube-dl/issues/21844',
4621         'url': 'https://www.youtube.com/playlist?list=PLzH6n4zXuckpfMu_4Ff8E7Z1behQks5ba',
4622         'info_dict': {
4623             'title': 'Data Analysis with Dr Mike Pound',
4624             'id': 'PLzH6n4zXuckpfMu_4Ff8E7Z1behQks5ba',
4625             'uploader_id': 'UC9-y-6csu5WGm29I7JiwpnA',
4626             'uploader': 'Computerphile',
4627             'description': 'md5:7f567c574d13d3f8c0954d9ffee4e487',
4628             'uploader_url': 'https://www.youtube.com/user/Computerphile',
4629             'tags': [],
4630             'view_count': int,
4631             'channel_id': 'UC9-y-6csu5WGm29I7JiwpnA',
4632             'channel_url': 'https://www.youtube.com/user/Computerphile',
4633             'channel': 'Computerphile',
4634         },
4635         'playlist_mincount': 11,
4636     }, {
4637         'url': 'https://invidio.us/playlist?list=PL4lCao7KL_QFVb7Iudeipvc2BCavECqzc',
4638         'only_matching': True,
4639     }, {
4640         'note': 'Playlist URL that does not actually serve a playlist',
4641         'url': 'https://www.youtube.com/watch?v=FqZTN594JQw&list=PLMYEtVRpaqY00V9W81Cwmzp6N6vZqfUKD4',
4642         'info_dict': {
4643             'id': 'FqZTN594JQw',
4644             'ext': 'webm',
4645             'title': "Smiley's People 01 detective, Adventure Series, Action",
4646             'uploader': 'STREEM',
4647             'uploader_id': 'UCyPhqAZgwYWZfxElWVbVJng',
4648             'uploader_url': r're:https?://(?:www\.)?youtube\.com/channel/UCyPhqAZgwYWZfxElWVbVJng',
4649             'upload_date': '20150526',
4650             'license': 'Standard YouTube License',
4651             'description': 'md5:507cdcb5a49ac0da37a920ece610be80',
4652             'categories': ['People & Blogs'],
4653             'tags': list,
4654             'view_count': int,
4655             'like_count': int,
4656         },
4657         'params': {
4658             'skip_download': True,
4659         },
4660         'skip': 'This video is not available.',
4661         'add_ie': [YoutubeIE.ie_key()],
4662     }, {
4663         'url': 'https://www.youtubekids.com/watch?v=Agk7R8I8o5U&list=PUZ6jURNr1WQZCNHF0ao-c0g',
4664         'only_matching': True,
4665     }, {
4666         'url': 'https://www.youtube.com/watch?v=MuAGGZNfUkU&list=RDMM',
4667         'only_matching': True,
4668     }, {
4669         'url': 'https://www.youtube.com/channel/UCoMdktPbSTixAyNGwb-UYkQ/live',
4670         'info_dict': {
4671             'id': 'GgL890LIznQ',  # This will keep changing
4672             'ext': 'mp4',
4673             'title': str,
4674             'uploader': 'Sky News',
4675             'uploader_id': 'skynews',
4676             'uploader_url': r're:https?://(?:www\.)?youtube\.com/user/skynews',
4677             'upload_date': r're:\d{8}',
4678             'description': str,
4679             'categories': ['News & Politics'],
4680             'tags': list,
4681             'like_count': int,
4682             'release_timestamp': 1642502819,
4683             'channel': 'Sky News',
4684             'channel_id': 'UCoMdktPbSTixAyNGwb-UYkQ',
4685             'age_limit': 0,
4686             'view_count': int,
4687             'thumbnail': 'https://i.ytimg.com/vi/GgL890LIznQ/maxresdefault_live.jpg',
4688             'playable_in_embed': True,
4689             'release_date': '20220118',
4690             'availability': 'public',
4691             'live_status': 'is_live',
4692             'channel_url': 'https://www.youtube.com/channel/UCoMdktPbSTixAyNGwb-UYkQ',
4693             'channel_follower_count': int
4694         },
4695         'params': {
4696             'skip_download': True,
4697         },
4698         'expected_warnings': ['Ignoring subtitle tracks found in '],
4699     }, {
4700         'url': 'https://www.youtube.com/user/TheYoungTurks/live',
4701         'info_dict': {
4702             'id': 'a48o2S1cPoo',
4703             'ext': 'mp4',
4704             'title': 'The Young Turks - Live Main Show',
4705             'uploader': 'The Young Turks',
4706             'uploader_id': 'TheYoungTurks',
4707             'uploader_url': r're:https?://(?:www\.)?youtube\.com/user/TheYoungTurks',
4708             'upload_date': '20150715',
4709             'license': 'Standard YouTube License',
4710             'description': 'md5:438179573adcdff3c97ebb1ee632b891',
4711             'categories': ['News & Politics'],
4712             'tags': ['Cenk Uygur (TV Program Creator)', 'The Young Turks (Award-Winning Work)', 'Talk Show (TV Genre)'],
4713             'like_count': int,
4714         },
4715         'params': {
4716             'skip_download': True,
4717         },
4718         'only_matching': True,
4719     }, {
4720         'url': 'https://www.youtube.com/channel/UC1yBKRuGpC1tSM73A0ZjYjQ/live',
4721         'only_matching': True,
4722     }, {
4723         'url': 'https://www.youtube.com/c/CommanderVideoHq/live',
4724         'only_matching': True,
4725     }, {
4726         'note': 'A channel that is not live. Should raise error',
4727         'url': 'https://www.youtube.com/user/numberphile/live',
4728         'only_matching': True,
4729     }, {
4730         'url': 'https://www.youtube.com/feed/trending',
4731         'only_matching': True,
4732     }, {
4733         'url': 'https://www.youtube.com/feed/library',
4734         'only_matching': True,
4735     }, {
4736         'url': 'https://www.youtube.com/feed/history',
4737         'only_matching': True,
4738     }, {
4739         'url': 'https://www.youtube.com/feed/subscriptions',
4740         'only_matching': True,
4741     }, {
4742         'url': 'https://www.youtube.com/feed/watch_later',
4743         'only_matching': True,
4744     }, {
4745         'note': 'Recommended - redirects to home page.',
4746         'url': 'https://www.youtube.com/feed/recommended',
4747         'only_matching': True,
4748     }, {
4749         'note': 'inline playlist with not always working continuations',
4750         'url': 'https://www.youtube.com/watch?v=UC6u0Tct-Fo&list=PL36D642111D65BE7C',
4751         'only_matching': True,
4752     }, {
4753         'url': 'https://www.youtube.com/course',
4754         'only_matching': True,
4755     }, {
4756         'url': 'https://www.youtube.com/zsecurity',
4757         'only_matching': True,
4758     }, {
4759         'url': 'http://www.youtube.com/NASAgovVideo/videos',
4760         'only_matching': True,
4761     }, {
4762         'url': 'https://www.youtube.com/TheYoungTurks/live',
4763         'only_matching': True,
4764     }, {
4765         'url': 'https://www.youtube.com/hashtag/cctv9',
4766         'info_dict': {
4767             'id': 'cctv9',
4768             'title': '#cctv9',
4769             'tags': [],
4770         },
4771         'playlist_mincount': 350,
4772     }, {
4773         'url': 'https://www.youtube.com/watch?list=PLW4dVinRY435CBE_JD3t-0SRXKfnZHS1P&feature=youtu.be&v=M9cJMXmQ_ZU',
4774         'only_matching': True,
4775     }, {
4776         'note': 'Requires Premium: should request additional YTM-info webpage (and have format 141) for videos in playlist',
4777         'url': 'https://music.youtube.com/playlist?list=PLRBp0Fe2GpgmgoscNFLxNyBVSFVdYmFkq',
4778         'only_matching': True
4779     }, {
4780         'note': '/browse/ should redirect to /channel/',
4781         'url': 'https://music.youtube.com/browse/UC1a8OFewdjuLq6KlF8M_8Ng',
4782         'only_matching': True
4783     }, {
4784         'note': 'VLPL, should redirect to playlist?list=PL...',
4785         'url': 'https://music.youtube.com/browse/VLPLRBp0Fe2GpgmgoscNFLxNyBVSFVdYmFkq',
4786         'info_dict': {
4787             'id': 'PLRBp0Fe2GpgmgoscNFLxNyBVSFVdYmFkq',
4788             'uploader': 'NoCopyrightSounds',
4789             'description': 'Providing you with copyright free / safe music for gaming, live streaming, studying and more!',
4790             'uploader_id': 'UC_aEa8K-EOJ3D6gOs7HcyNg',
4791             'title': 'NCS Releases',
4792             'uploader_url': 'https://www.youtube.com/c/NoCopyrightSounds',
4793             'channel_url': 'https://www.youtube.com/c/NoCopyrightSounds',
4794             'modified_date': r're:\d{8}',
4795             'view_count': int,
4796             'channel_id': 'UC_aEa8K-EOJ3D6gOs7HcyNg',
4797             'tags': [],
4798             'channel': 'NoCopyrightSounds',
4799         },
4800         'playlist_mincount': 166,
4801         'expected_warnings': [r'[Uu]navailable videos (are|will be) hidden'],
4802     }, {
4803         'note': 'Topic, should redirect to playlist?list=UU...',
4804         'url': 'https://music.youtube.com/browse/UC9ALqqC4aIeG5iDs7i90Bfw',
4805         'info_dict': {
4806             'id': 'UU9ALqqC4aIeG5iDs7i90Bfw',
4807             'uploader_id': 'UC9ALqqC4aIeG5iDs7i90Bfw',
4808             'title': 'Uploads from Royalty Free Music - Topic',
4809             'uploader': 'Royalty Free Music - Topic',
4810             'tags': [],
4811             'channel_id': 'UC9ALqqC4aIeG5iDs7i90Bfw',
4812             'channel': 'Royalty Free Music - Topic',
4813             'view_count': int,
4814             'channel_url': 'https://www.youtube.com/channel/UC9ALqqC4aIeG5iDs7i90Bfw',
4815             'channel_url': 'https://www.youtube.com/channel/UC9ALqqC4aIeG5iDs7i90Bfw',
4816             'modified_date': r're:\d{8}',
4817             'uploader_url': 'https://www.youtube.com/channel/UC9ALqqC4aIeG5iDs7i90Bfw',
4818             'description': '',
4819         },
4820         'expected_warnings': [
4821             'The URL does not have a videos tab',
4822             r'[Uu]navailable videos (are|will be) hidden',
4823         ],
4824         'playlist_mincount': 101,
4825     }, {
4826         'note': 'Topic without a UU playlist',
4827         'url': 'https://www.youtube.com/channel/UCtFRv9O2AHqOZjjynzrv-xg',
4828         'info_dict': {
4829             'id': 'UCtFRv9O2AHqOZjjynzrv-xg',
4830             'title': 'UCtFRv9O2AHqOZjjynzrv-xg',
4831             'tags': [],
4832         },
4833         'expected_warnings': [
4834             'the playlist redirect gave error',
4835         ],
4836         'playlist_mincount': 9,
4837     }, {
4838         'note': 'Youtube music Album',
4839         'url': 'https://music.youtube.com/browse/MPREb_gTAcphH99wE',
4840         'info_dict': {
4841             'id': 'OLAK5uy_l1m0thk3g31NmIIz_vMIbWtyv7eZixlH0',
4842             'title': 'Album - Royalty Free Music Library V2 (50 Songs)',
4843             'tags': [],
4844             'view_count': int,
4845             'description': '',
4846             'availability': 'unlisted',
4847             'modified_date': r're:\d{8}',
4848         },
4849         'playlist_count': 50,
4850     }, {
4851         'note': 'unlisted single video playlist',
4852         'url': 'https://www.youtube.com/playlist?list=PLwL24UFy54GrB3s2KMMfjZscDi1x5Dajf',
4853         'info_dict': {
4854             'uploader_id': 'UC9zHu_mHU96r19o-wV5Qs1Q',
4855             'uploader': 'colethedj',
4856             'id': 'PLwL24UFy54GrB3s2KMMfjZscDi1x5Dajf',
4857             'title': 'yt-dlp unlisted playlist test',
4858             'availability': 'unlisted',
4859             'tags': [],
4860             'modified_date': '20211208',
4861             'channel': 'colethedj',
4862             'view_count': int,
4863             'description': '',
4864             'uploader_url': 'https://www.youtube.com/channel/UC9zHu_mHU96r19o-wV5Qs1Q',
4865             'channel_id': 'UC9zHu_mHU96r19o-wV5Qs1Q',
4866             'channel_url': 'https://www.youtube.com/channel/UC9zHu_mHU96r19o-wV5Qs1Q',
4867         },
4868         'playlist_count': 1,
4869     }, {
4870         'note': 'API Fallback: Recommended - redirects to home page. Requires visitorData',
4871         'url': 'https://www.youtube.com/feed/recommended',
4872         'info_dict': {
4873             'id': 'recommended',
4874             'title': 'recommended',
4875             'tags': [],
4876         },
4877         'playlist_mincount': 50,
4878         'params': {
4879             'skip_download': True,
4880             'extractor_args': {'youtubetab': {'skip': ['webpage']}}
4881         },
4882     }, {
4883         'note': 'API Fallback: /videos tab, sorted by oldest first',
4884         'url': 'https://www.youtube.com/user/theCodyReeder/videos?view=0&sort=da&flow=grid',
4885         'info_dict': {
4886             'id': 'UCu6mSoMNzHQiBIOCkHUa2Aw',
4887             'title': 'Cody\'sLab - Videos',
4888             'description': 'md5:d083b7c2f0c67ee7a6c74c3e9b4243fa',
4889             'uploader': 'Cody\'sLab',
4890             'uploader_id': 'UCu6mSoMNzHQiBIOCkHUa2Aw',
4891             'channel': 'Cody\'sLab',
4892             'channel_id': 'UCu6mSoMNzHQiBIOCkHUa2Aw',
4893             'tags': [],
4894             'channel_url': 'https://www.youtube.com/channel/UCu6mSoMNzHQiBIOCkHUa2Aw',
4895             'uploader_url': 'https://www.youtube.com/channel/UCu6mSoMNzHQiBIOCkHUa2Aw',
4896             'channel_follower_count': int
4897         },
4898         'playlist_mincount': 650,
4899         'params': {
4900             'skip_download': True,
4901             'extractor_args': {'youtubetab': {'skip': ['webpage']}}
4902         },
4903     }, {
4904         'note': 'API Fallback: Topic, should redirect to playlist?list=UU...',
4905         'url': 'https://music.youtube.com/browse/UC9ALqqC4aIeG5iDs7i90Bfw',
4906         'info_dict': {
4907             'id': 'UU9ALqqC4aIeG5iDs7i90Bfw',
4908             'uploader_id': 'UC9ALqqC4aIeG5iDs7i90Bfw',
4909             'title': 'Uploads from Royalty Free Music - Topic',
4910             'uploader': 'Royalty Free Music - Topic',
4911             'modified_date': r're:\d{8}',
4912             'channel_id': 'UC9ALqqC4aIeG5iDs7i90Bfw',
4913             'description': '',
4914             'channel_url': 'https://www.youtube.com/channel/UC9ALqqC4aIeG5iDs7i90Bfw',
4915             'tags': [],
4916             'channel': 'Royalty Free Music - Topic',
4917             'view_count': int,
4918             'uploader_url': 'https://www.youtube.com/channel/UC9ALqqC4aIeG5iDs7i90Bfw',
4919         },
4920         'expected_warnings': [
4921             'does not have a videos tab',
4922             r'[Uu]navailable videos (are|will be) hidden',
4923         ],
4924         'playlist_mincount': 101,
4925         'params': {
4926             'skip_download': True,
4927             'extractor_args': {'youtubetab': {'skip': ['webpage']}}
4928         },
4929     }]
4930
4931     @classmethod
4932     def suitable(cls, url):
4933         return False if YoutubeIE.suitable(url) else super(
4934             YoutubeTabIE, cls).suitable(url)
4935
4936     def _real_extract(self, url):
4937         url, smuggled_data = unsmuggle_url(url, {})
4938         if self.is_music_url(url):
4939             smuggled_data['is_music_url'] = True
4940         info_dict = self.__real_extract(url, smuggled_data)
4941         if info_dict.get('entries'):
4942             info_dict['entries'] = self._smuggle_data(info_dict['entries'], smuggled_data)
4943         return info_dict
4944
4945     _URL_RE = re.compile(rf'(?P<pre>{_VALID_URL})(?(not_channel)|(?P<tab>/\w+))?(?P<post>.*)$')
4946
4947     def __real_extract(self, url, smuggled_data):
4948         item_id = self._match_id(url)
4949         url = compat_urlparse.urlunparse(
4950             compat_urlparse.urlparse(url)._replace(netloc='www.youtube.com'))
4951         compat_opts = self.get_param('compat_opts', [])
4952
4953         def get_mobj(url):
4954             mobj = self._URL_RE.match(url).groupdict()
4955             mobj.update((k, '') for k, v in mobj.items() if v is None)
4956             return mobj
4957
4958         mobj, redirect_warning = get_mobj(url), None
4959         # Youtube returns incomplete data if tabname is not lower case
4960         pre, tab, post, is_channel = mobj['pre'], mobj['tab'].lower(), mobj['post'], not mobj['not_channel']
4961         if is_channel:
4962             if smuggled_data.get('is_music_url'):
4963                 if item_id[:2] == 'VL':  # Youtube music VL channels have an equivalent playlist
4964                     item_id = item_id[2:]
4965                     pre, tab, post, is_channel = f'https://www.youtube.com/playlist?list={item_id}', '', '', False
4966                 elif item_id[:2] == 'MP':  # Resolve albums (/[channel/browse]/MP...) to their equivalent playlist
4967                     mdata = self._extract_tab_endpoint(
4968                         f'https://music.youtube.com/channel/{item_id}', item_id, default_client='web_music')
4969                     murl = traverse_obj(mdata, ('microformat', 'microformatDataRenderer', 'urlCanonical'),
4970                                         get_all=False, expected_type=compat_str)
4971                     if not murl:
4972                         raise ExtractorError('Failed to resolve album to playlist')
4973                     return self.url_result(murl, ie=YoutubeTabIE.ie_key())
4974                 elif mobj['channel_type'] == 'browse':  # Youtube music /browse/ should be changed to /channel/
4975                     pre = f'https://www.youtube.com/channel/{item_id}'
4976
4977         original_tab_name = tab
4978         if is_channel and not tab and 'no-youtube-channel-redirect' not in compat_opts:
4979             # Home URLs should redirect to /videos/
4980             redirect_warning = ('A channel/user page was given. All the channel\'s videos will be downloaded. '
4981                                 'To download only the videos in the home page, add a "/featured" to the URL')
4982             tab = '/videos'
4983
4984         url = ''.join((pre, tab, post))
4985         mobj = get_mobj(url)
4986
4987         # Handle both video/playlist URLs
4988         qs = parse_qs(url)
4989         video_id, playlist_id = [qs.get(key, [None])[0] for key in ('v', 'list')]
4990
4991         if not video_id and mobj['not_channel'].startswith('watch'):
4992             if not playlist_id:
4993                 # If there is neither video or playlist ids, youtube redirects to home page, which is undesirable
4994                 raise ExtractorError('Unable to recognize tab page')
4995             # Common mistake: https://www.youtube.com/watch?list=playlist_id
4996             self.report_warning(f'A video URL was given without video ID. Trying to download playlist {playlist_id}')
4997             url = f'https://www.youtube.com/playlist?list={playlist_id}'
4998             mobj = get_mobj(url)
4999
5000         if video_id and playlist_id:
5001             if self.get_param('noplaylist'):
5002                 self.to_screen(f'Downloading just video {video_id} because of --no-playlist')
5003                 return self.url_result(f'https://www.youtube.com/watch?v={video_id}',
5004                                        ie=YoutubeIE.ie_key(), video_id=video_id)
5005             self.to_screen(f'Downloading playlist {playlist_id}; add --no-playlist to just download video {video_id}')
5006
5007         data, ytcfg = self._extract_data(url, item_id)
5008
5009         tabs = traverse_obj(data, ('contents', 'twoColumnBrowseResultsRenderer', 'tabs'), expected_type=list)
5010         if tabs:
5011             selected_tab = self._extract_selected_tab(tabs)
5012             selected_tab_name = selected_tab.get('title', '').lower()
5013             if selected_tab_name == 'home':
5014                 selected_tab_name = 'featured'
5015             requested_tab_name = mobj['tab'][1:]
5016             if 'no-youtube-channel-redirect' not in compat_opts:
5017                 if requested_tab_name == 'live':
5018                     # Live tab should have redirected to the video
5019                     raise ExtractorError('The channel is not currently live', expected=True)
5020                 if requested_tab_name not in ('', selected_tab_name):
5021                     redirect_warning = f'The channel does not have a {requested_tab_name} tab'
5022                     if not original_tab_name:
5023                         if item_id[:2] == 'UC':
5024                             # Topic channels don't have /videos. Use the equivalent playlist instead
5025                             pl_id = f'UU{item_id[2:]}'
5026                             pl_url = f'https://www.youtube.com/playlist?list={pl_id}'
5027                             try:
5028                                 data, ytcfg = self._extract_data(pl_url, pl_id, ytcfg=ytcfg, fatal=True, webpage_fatal=True)
5029                             except ExtractorError:
5030                                 redirect_warning += ' and the playlist redirect gave error'
5031                             else:
5032                                 item_id, url, selected_tab_name = pl_id, pl_url, requested_tab_name
5033                                 redirect_warning += f'. Redirecting to playlist {pl_id} instead'
5034                         if selected_tab_name and selected_tab_name != requested_tab_name:
5035                             redirect_warning += f'. {selected_tab_name} tab is being downloaded instead'
5036                     else:
5037                         raise ExtractorError(redirect_warning, expected=True)
5038
5039         if redirect_warning:
5040             self.to_screen(redirect_warning)
5041         self.write_debug(f'Final URL: {url}')
5042
5043         # YouTube sometimes provides a button to reload playlist with unavailable videos.
5044         if 'no-youtube-unavailable-videos' not in compat_opts:
5045             data = self._reload_with_unavailable_videos(item_id, data, ytcfg) or data
5046         self._extract_and_report_alerts(data, only_once=True)
5047         tabs = traverse_obj(data, ('contents', 'twoColumnBrowseResultsRenderer', 'tabs'), expected_type=list)
5048         if tabs:
5049             return self._extract_from_tabs(item_id, ytcfg, data, tabs)
5050
5051         playlist = traverse_obj(
5052             data, ('contents', 'twoColumnWatchNextResults', 'playlist', 'playlist'), expected_type=dict)
5053         if playlist:
5054             return self._extract_from_playlist(item_id, url, data, playlist, ytcfg)
5055
5056         video_id = traverse_obj(
5057             data, ('currentVideoEndpoint', 'watchEndpoint', 'videoId'), expected_type=str) or video_id
5058         if video_id:
5059             if mobj['tab'] != '/live':  # live tab is expected to redirect to video
5060                 self.report_warning(f'Unable to recognize playlist. Downloading just video {video_id}')
5061             return self.url_result(f'https://www.youtube.com/watch?v={video_id}',
5062                                    ie=YoutubeIE.ie_key(), video_id=video_id)
5063
5064         raise ExtractorError('Unable to recognize tab page')
5065
5066
5067 class YoutubePlaylistIE(InfoExtractor):
5068     IE_DESC = 'YouTube playlists'
5069     _VALID_URL = r'''(?x)(?:
5070                         (?:https?://)?
5071                         (?:\w+\.)?
5072                         (?:
5073                             (?:
5074                                 youtube(?:kids)?\.com|
5075                                 %(invidious)s
5076                             )
5077                             /.*?\?.*?\blist=
5078                         )?
5079                         (?P<id>%(playlist_id)s)
5080                      )''' % {
5081         'playlist_id': YoutubeBaseInfoExtractor._PLAYLIST_ID_RE,
5082         'invidious': '|'.join(YoutubeBaseInfoExtractor._INVIDIOUS_SITES),
5083     }
5084     IE_NAME = 'youtube:playlist'
5085     _TESTS = [{
5086         'note': 'issue #673',
5087         'url': 'PLBB231211A4F62143',
5088         'info_dict': {
5089             'title': '[OLD]Team Fortress 2 (Class-based LP)',
5090             'id': 'PLBB231211A4F62143',
5091             'uploader': 'Wickman',
5092             'uploader_id': 'UCKSpbfbl5kRQpTdL7kMc-1Q',
5093             'description': 'md5:8fa6f52abb47a9552002fa3ddfc57fc2',
5094             'view_count': int,
5095             'uploader_url': 'https://www.youtube.com/user/Wickydoo',
5096             'modified_date': r're:\d{8}',
5097             'channel_id': 'UCKSpbfbl5kRQpTdL7kMc-1Q',
5098             'channel': 'Wickman',
5099             'tags': [],
5100             'channel_url': 'https://www.youtube.com/user/Wickydoo',
5101         },
5102         'playlist_mincount': 29,
5103     }, {
5104         'url': 'PLtPgu7CB4gbY9oDN3drwC3cMbJggS7dKl',
5105         'info_dict': {
5106             'title': 'YDL_safe_search',
5107             'id': 'PLtPgu7CB4gbY9oDN3drwC3cMbJggS7dKl',
5108         },
5109         'playlist_count': 2,
5110         'skip': 'This playlist is private',
5111     }, {
5112         'note': 'embedded',
5113         'url': 'https://www.youtube.com/embed/videoseries?list=PL6IaIsEjSbf96XFRuNccS_RuEXwNdsoEu',
5114         'playlist_count': 4,
5115         'info_dict': {
5116             'title': 'JODA15',
5117             'id': 'PL6IaIsEjSbf96XFRuNccS_RuEXwNdsoEu',
5118             'uploader': 'milan',
5119             'uploader_id': 'UCEI1-PVPcYXjB73Hfelbmaw',
5120             'description': '',
5121             'channel_url': 'https://www.youtube.com/channel/UCEI1-PVPcYXjB73Hfelbmaw',
5122             'tags': [],
5123             'modified_date': '20140919',
5124             'view_count': int,
5125             'channel': 'milan',
5126             'channel_id': 'UCEI1-PVPcYXjB73Hfelbmaw',
5127             'uploader_url': 'https://www.youtube.com/channel/UCEI1-PVPcYXjB73Hfelbmaw',
5128         },
5129         'expected_warnings': [r'[Uu]navailable videos (are|will be) hidden'],
5130     }, {
5131         'url': 'http://www.youtube.com/embed/_xDOZElKyNU?list=PLsyOSbh5bs16vubvKePAQ1x3PhKavfBIl',
5132         'playlist_mincount': 654,
5133         'info_dict': {
5134             'title': '2018 Chinese New Singles (11/6 updated)',
5135             'id': 'PLsyOSbh5bs16vubvKePAQ1x3PhKavfBIl',
5136             'uploader': 'LBK',
5137             'uploader_id': 'UC21nz3_MesPLqtDqwdvnoxA',
5138             'description': 'md5:da521864744d60a198e3a88af4db0d9d',
5139             'channel': 'LBK',
5140             'view_count': int,
5141             'channel_url': 'https://www.youtube.com/c/愛低音的國王',
5142             'tags': [],
5143             'uploader_url': 'https://www.youtube.com/c/愛低音的國王',
5144             'channel_id': 'UC21nz3_MesPLqtDqwdvnoxA',
5145             'modified_date': r're:\d{8}',
5146         },
5147         'expected_warnings': [r'[Uu]navailable videos (are|will be) hidden'],
5148     }, {
5149         'url': 'TLGGrESM50VT6acwMjAyMjAxNw',
5150         'only_matching': True,
5151     }, {
5152         # music album playlist
5153         'url': 'OLAK5uy_m4xAFdmMC5rX3Ji3g93pQe3hqLZw_9LhM',
5154         'only_matching': True,
5155     }]
5156
5157     @classmethod
5158     def suitable(cls, url):
5159         if YoutubeTabIE.suitable(url):
5160             return False
5161         from ..utils import parse_qs
5162         qs = parse_qs(url)
5163         if qs.get('v', [None])[0]:
5164             return False
5165         return super(YoutubePlaylistIE, cls).suitable(url)
5166
5167     def _real_extract(self, url):
5168         playlist_id = self._match_id(url)
5169         is_music_url = YoutubeBaseInfoExtractor.is_music_url(url)
5170         url = update_url_query(
5171             'https://www.youtube.com/playlist',
5172             parse_qs(url) or {'list': playlist_id})
5173         if is_music_url:
5174             url = smuggle_url(url, {'is_music_url': True})
5175         return self.url_result(url, ie=YoutubeTabIE.ie_key(), video_id=playlist_id)
5176
5177
5178 class YoutubeYtBeIE(InfoExtractor):
5179     IE_DESC = 'youtu.be'
5180     _VALID_URL = r'https?://youtu\.be/(?P<id>[0-9A-Za-z_-]{11})/*?.*?\blist=(?P<playlist_id>%(playlist_id)s)' % {'playlist_id': YoutubeBaseInfoExtractor._PLAYLIST_ID_RE}
5181     _TESTS = [{
5182         'url': 'https://youtu.be/yeWKywCrFtk?list=PL2qgrgXsNUG5ig9cat4ohreBjYLAPC0J5',
5183         'info_dict': {
5184             'id': 'yeWKywCrFtk',
5185             'ext': 'mp4',
5186             'title': 'Small Scale Baler and Braiding Rugs',
5187             'uploader': 'Backus-Page House Museum',
5188             'uploader_id': 'backuspagemuseum',
5189             'uploader_url': r're:https?://(?:www\.)?youtube\.com/user/backuspagemuseum',
5190             'upload_date': '20161008',
5191             'description': 'md5:800c0c78d5eb128500bffd4f0b4f2e8a',
5192             'categories': ['Nonprofits & Activism'],
5193             'tags': list,
5194             'like_count': int,
5195             'age_limit': 0,
5196             'playable_in_embed': True,
5197             'thumbnail': 'https://i.ytimg.com/vi_webp/yeWKywCrFtk/maxresdefault.webp',
5198             'channel': 'Backus-Page House Museum',
5199             'channel_id': 'UCEfMCQ9bs3tjvjy1s451zaw',
5200             'live_status': 'not_live',
5201             'view_count': int,
5202             'channel_url': 'https://www.youtube.com/channel/UCEfMCQ9bs3tjvjy1s451zaw',
5203             'availability': 'public',
5204             'duration': 59,
5205         },
5206         'params': {
5207             'noplaylist': True,
5208             'skip_download': True,
5209         },
5210     }, {
5211         'url': 'https://youtu.be/uWyaPkt-VOI?list=PL9D9FC436B881BA21',
5212         'only_matching': True,
5213     }]
5214
5215     def _real_extract(self, url):
5216         mobj = self._match_valid_url(url)
5217         video_id = mobj.group('id')
5218         playlist_id = mobj.group('playlist_id')
5219         return self.url_result(
5220             update_url_query('https://www.youtube.com/watch', {
5221                 'v': video_id,
5222                 'list': playlist_id,
5223                 'feature': 'youtu.be',
5224             }), ie=YoutubeTabIE.ie_key(), video_id=playlist_id)
5225
5226
5227 class YoutubeLivestreamEmbedIE(InfoExtractor):
5228     IE_DESC = 'YouTube livestream embeds'
5229     _VALID_URL = r'https?://(?:\w+\.)?youtube\.com/embed/live_stream/?\?(?:[^#]+&)?channel=(?P<id>[^&#]+)'
5230     _TESTS = [{
5231         'url': 'https://www.youtube.com/embed/live_stream?channel=UC2_KI6RB__jGdlnK6dvFEZA',
5232         'only_matching': True,
5233     }]
5234
5235     def _real_extract(self, url):
5236         channel_id = self._match_id(url)
5237         return self.url_result(
5238             f'https://www.youtube.com/channel/{channel_id}/live',
5239             ie=YoutubeTabIE.ie_key(), video_id=channel_id)
5240
5241
5242 class YoutubeYtUserIE(InfoExtractor):
5243     IE_DESC = 'YouTube user videos; "ytuser:" prefix'
5244     IE_NAME = 'youtube:user'
5245     _VALID_URL = r'ytuser:(?P<id>.+)'
5246     _TESTS = [{
5247         'url': 'ytuser:phihag',
5248         'only_matching': True,
5249     }]
5250
5251     def _real_extract(self, url):
5252         user_id = self._match_id(url)
5253         return self.url_result(
5254             'https://www.youtube.com/user/%s/videos' % user_id,
5255             ie=YoutubeTabIE.ie_key(), video_id=user_id)
5256
5257
5258 class YoutubeFavouritesIE(YoutubeBaseInfoExtractor):
5259     IE_NAME = 'youtube:favorites'
5260     IE_DESC = 'YouTube liked videos; ":ytfav" keyword (requires cookies)'
5261     _VALID_URL = r':ytfav(?:ou?rite)?s?'
5262     _LOGIN_REQUIRED = True
5263     _TESTS = [{
5264         'url': ':ytfav',
5265         'only_matching': True,
5266     }, {
5267         'url': ':ytfavorites',
5268         'only_matching': True,
5269     }]
5270
5271     def _real_extract(self, url):
5272         return self.url_result(
5273             'https://www.youtube.com/playlist?list=LL',
5274             ie=YoutubeTabIE.ie_key())
5275
5276
5277 class YoutubeSearchIE(YoutubeTabBaseInfoExtractor, SearchInfoExtractor):
5278     IE_DESC = 'YouTube search'
5279     IE_NAME = 'youtube:search'
5280     _SEARCH_KEY = 'ytsearch'
5281     _SEARCH_PARAMS = 'EgIQAQ%3D%3D'  # Videos only
5282     _TESTS = []
5283
5284
5285 class YoutubeSearchDateIE(YoutubeTabBaseInfoExtractor, SearchInfoExtractor):
5286     IE_NAME = YoutubeSearchIE.IE_NAME + ':date'
5287     _SEARCH_KEY = 'ytsearchdate'
5288     IE_DESC = 'YouTube search, newest videos first'
5289     _SEARCH_PARAMS = 'CAISAhAB'  # Videos only, sorted by date
5290
5291
5292 class YoutubeSearchURLIE(YoutubeTabBaseInfoExtractor):
5293     IE_DESC = 'YouTube search URLs with sorting and filter support'
5294     IE_NAME = YoutubeSearchIE.IE_NAME + '_url'
5295     _VALID_URL = r'https?://(?:www\.)?youtube\.com/results\?(.*?&)?(?:search_query|q)=(?:[^&]+)(?:[&]|$)'
5296     _TESTS = [{
5297         'url': 'https://www.youtube.com/results?baz=bar&search_query=youtube-dl+test+video&filters=video&lclk=video',
5298         'playlist_mincount': 5,
5299         'info_dict': {
5300             'id': 'youtube-dl test video',
5301             'title': 'youtube-dl test video',
5302         }
5303     }, {
5304         'url': 'https://www.youtube.com/results?search_query=python&sp=EgIQAg%253D%253D',
5305         'playlist_mincount': 5,
5306         'info_dict': {
5307             'id': 'python',
5308             'title': 'python',
5309         }
5310
5311     }, {
5312         'url': 'https://www.youtube.com/results?q=test&sp=EgQIBBgB',
5313         'only_matching': True,
5314     }]
5315
5316     def _real_extract(self, url):
5317         qs = parse_qs(url)
5318         query = (qs.get('search_query') or qs.get('q'))[0]
5319         return self.playlist_result(self._search_results(query, qs.get('sp', (None,))[0]), query, query)
5320
5321
5322 class YoutubeFeedsInfoExtractor(YoutubeTabIE):
5323     """
5324     Base class for feed extractors
5325     Subclasses must define the _FEED_NAME property.
5326     """
5327     _LOGIN_REQUIRED = True
5328     _TESTS = []
5329
5330     @property
5331     def IE_NAME(self):
5332         return 'youtube:%s' % self._FEED_NAME
5333
5334     def _real_extract(self, url):
5335         return self.url_result(
5336             'https://www.youtube.com/feed/%s' % self._FEED_NAME,
5337             ie=YoutubeTabIE.ie_key())
5338
5339
5340 class YoutubeWatchLaterIE(InfoExtractor):
5341     IE_NAME = 'youtube:watchlater'
5342     IE_DESC = 'Youtube watch later list; ":ytwatchlater" keyword (requires cookies)'
5343     _VALID_URL = r':ytwatchlater'
5344     _TESTS = [{
5345         'url': ':ytwatchlater',
5346         'only_matching': True,
5347     }]
5348
5349     def _real_extract(self, url):
5350         return self.url_result(
5351             'https://www.youtube.com/playlist?list=WL', ie=YoutubeTabIE.ie_key())
5352
5353
5354 class YoutubeRecommendedIE(YoutubeFeedsInfoExtractor):
5355     IE_DESC = 'YouTube recommended videos; ":ytrec" keyword'
5356     _VALID_URL = r'https?://(?:www\.)?youtube\.com/?(?:[?#]|$)|:ytrec(?:ommended)?'
5357     _FEED_NAME = 'recommended'
5358     _LOGIN_REQUIRED = False
5359     _TESTS = [{
5360         'url': ':ytrec',
5361         'only_matching': True,
5362     }, {
5363         'url': ':ytrecommended',
5364         'only_matching': True,
5365     }, {
5366         'url': 'https://youtube.com',
5367         'only_matching': True,
5368     }]
5369
5370
5371 class YoutubeSubscriptionsIE(YoutubeFeedsInfoExtractor):
5372     IE_DESC = 'YouTube subscriptions feed; ":ytsubs" keyword (requires cookies)'
5373     _VALID_URL = r':ytsub(?:scription)?s?'
5374     _FEED_NAME = 'subscriptions'
5375     _TESTS = [{
5376         'url': ':ytsubs',
5377         'only_matching': True,
5378     }, {
5379         'url': ':ytsubscriptions',
5380         'only_matching': True,
5381     }]
5382
5383
5384 class YoutubeHistoryIE(YoutubeFeedsInfoExtractor):
5385     IE_DESC = 'Youtube watch history; ":ythis" keyword (requires cookies)'
5386     _VALID_URL = r':ythis(?:tory)?'
5387     _FEED_NAME = 'history'
5388     _TESTS = [{
5389         'url': ':ythistory',
5390         'only_matching': True,
5391     }]
5392
5393
5394 class YoutubeTruncatedURLIE(InfoExtractor):
5395     IE_NAME = 'youtube:truncated_url'
5396     IE_DESC = False  # Do not list
5397     _VALID_URL = r'''(?x)
5398         (?:https?://)?
5399         (?:\w+\.)?[yY][oO][uU][tT][uU][bB][eE](?:-nocookie)?\.com/
5400         (?:watch\?(?:
5401             feature=[a-z_]+|
5402             annotation_id=annotation_[^&]+|
5403             x-yt-cl=[0-9]+|
5404             hl=[^&]*|
5405             t=[0-9]+
5406         )?
5407         |
5408             attribution_link\?a=[^&]+
5409         )
5410         $
5411     '''
5412
5413     _TESTS = [{
5414         'url': 'https://www.youtube.com/watch?annotation_id=annotation_3951667041',
5415         'only_matching': True,
5416     }, {
5417         'url': 'https://www.youtube.com/watch?',
5418         'only_matching': True,
5419     }, {
5420         'url': 'https://www.youtube.com/watch?x-yt-cl=84503534',
5421         'only_matching': True,
5422     }, {
5423         'url': 'https://www.youtube.com/watch?feature=foo',
5424         'only_matching': True,
5425     }, {
5426         'url': 'https://www.youtube.com/watch?hl=en-GB',
5427         'only_matching': True,
5428     }, {
5429         'url': 'https://www.youtube.com/watch?t=2372',
5430         'only_matching': True,
5431     }]
5432
5433     def _real_extract(self, url):
5434         raise ExtractorError(
5435             'Did you forget to quote the URL? Remember that & is a meta '
5436             'character in most shells, so you want to put the URL in quotes, '
5437             'like  youtube-dl '
5438             '"https://www.youtube.com/watch?feature=foo&v=BaW_jenozKc" '
5439             ' or simply  youtube-dl BaW_jenozKc  .',
5440             expected=True)
5441
5442
5443 class YoutubeClipIE(InfoExtractor):
5444     IE_NAME = 'youtube:clip'
5445     IE_DESC = False  # Do not list
5446     _VALID_URL = r'https?://(?:www\.)?youtube\.com/clip/'
5447
5448     def _real_extract(self, url):
5449         self.report_warning('YouTube clips are not currently supported. The entire video will be downloaded instead')
5450         return self.url_result(url, 'Generic')
5451
5452
5453 class YoutubeTruncatedIDIE(InfoExtractor):
5454     IE_NAME = 'youtube:truncated_id'
5455     IE_DESC = False  # Do not list
5456     _VALID_URL = r'https?://(?:www\.)?youtube\.com/watch\?v=(?P<id>[0-9A-Za-z_-]{1,10})$'
5457
5458     _TESTS = [{
5459         'url': 'https://www.youtube.com/watch?v=N_708QY7Ob',
5460         'only_matching': True,
5461     }]
5462
5463     def _real_extract(self, url):
5464         video_id = self._match_id(url)
5465         raise ExtractorError(
5466             'Incomplete YouTube ID %s. URL %s looks truncated.' % (video_id, url),
5467             expected=True)