_ Git - youtube-dl/blob - youtube_dl/extractor/youtube.py

   1 # coding: utf-8
   2
   3 from __future__ import unicode_literals
   4
   5
   6 import itertools
   7 import json
   8 import os.path
   9 import random
  10 import re
  11 import time
  12 import traceback
  13
  14 from .common import InfoExtractor, SearchInfoExtractor
  15 from ..jsinterp import JSInterpreter
  16 from ..swfinterp import SWFInterpreter
  17 from ..compat import (
  18     compat_chr,
  19     compat_HTTPError,
  20     compat_kwargs,
  21     compat_parse_qs,
  22     compat_urllib_parse_unquote,
  23     compat_urllib_parse_unquote_plus,
  24     compat_urllib_parse_urlencode,
  25     compat_urllib_parse_urlparse,
  26     compat_urlparse,
  27     compat_str,
  28 )
  29 from ..utils import (
  30     bool_or_none,
  31     clean_html,
  32     error_to_compat_str,
  33     extract_attributes,
  34     ExtractorError,
  35     float_or_none,
  36     get_element_by_attribute,
  37     get_element_by_id,
  38     int_or_none,
  39     mimetype2ext,
  40     orderedSet,
  41     parse_codecs,
  42     parse_duration,
  43     remove_quotes,
  44     remove_start,
  45     smuggle_url,
  46     str_or_none,
  47     str_to_int,
  48     try_get,
  49     unescapeHTML,
  50     unified_strdate,
  51     unsmuggle_url,
  52     uppercase_escape,
  53     url_or_none,
  54     urlencode_postdata,
  55 )
  56
  57
  58 class YoutubeBaseInfoExtractor(InfoExtractor):
  59     """Provide base functions for Youtube extractors"""
  60     _LOGIN_URL = 'https://accounts.google.com/ServiceLogin'
  61     _TWOFACTOR_URL = 'https://accounts.google.com/signin/challenge'
  62
  63     _LOOKUP_URL = 'https://accounts.google.com/_/signin/sl/lookup'
  64     _CHALLENGE_URL = 'https://accounts.google.com/_/signin/sl/challenge'
  65     _TFA_URL = 'https://accounts.google.com/_/signin/challenge?hl=en&TL={0}'
  66
  67     _NETRC_MACHINE = 'youtube'
  68     # If True it will raise an error if no login info is provided
  69     _LOGIN_REQUIRED = False
  70
  71     _PLAYLIST_ID_RE = r'(?:PL|LL|EC|UU|FL|RD|UL|TL|PU|OLAK5uy_)[0-9A-Za-z-_]{10,}'
  72
  73     def _set_language(self):
  74         self._set_cookie(
  75             '.youtube.com', 'PREF', 'f1=50000000&hl=en',
  76             # YouTube sets the expire time to about two months
  77             expire_time=time.time() + 2 * 30 * 24 * 3600)
  78
  79     def _ids_to_results(self, ids):
  80         return [
  81             self.url_result(vid_id, 'Youtube', video_id=vid_id)
  82             for vid_id in ids]
  83
  84     def _login(self):
  85         """
  86         Attempt to log in to YouTube.
  87         True is returned if successful or skipped.
  88         False is returned if login failed.
  89
  90         If _LOGIN_REQUIRED is set and no authentication was provided, an error is raised.
  91         """
  92         username, password = self._get_login_info()
  93         # No authentication to be performed
  94         if username is None:
  95             if self._LOGIN_REQUIRED and self._downloader.params.get('cookiefile') is None:
  96                 raise ExtractorError('No login info available, needed for using %s.' % self.IE_NAME, expected=True)
  97             return True
  98
  99         login_page = self._download_webpage(
 100             self._LOGIN_URL, None,
 101             note='Downloading login page',
 102             errnote='unable to fetch login page', fatal=False)
 103         if login_page is False:
 104             return
 105
 106         login_form = self._hidden_inputs(login_page)
 107
 108         def req(url, f_req, note, errnote):
 109             data = login_form.copy()
 110             data.update({
 111                 'pstMsg': 1,
 112                 'checkConnection': 'youtube',
 113                 'checkedDomains': 'youtube',
 114                 'hl': 'en',
 115                 'deviceinfo': '[null,null,null,[],null,"US",null,null,[],"GlifWebSignIn",null,[null,null,[]]]',
 116                 'f.req': json.dumps(f_req),
 117                 'flowName': 'GlifWebSignIn',
 118                 'flowEntry': 'ServiceLogin',
 119                 # TODO: reverse actual botguard identifier generation algo
 120                 'bgRequest': '["identifier",""]',
 121             })
 122             return self._download_json(
 123                 url, None, note=note, errnote=errnote,
 124                 transform_source=lambda s: re.sub(r'^[^[]*', '', s),
 125                 fatal=False,
 126                 data=urlencode_postdata(data), headers={
 127                     'Content-Type': 'application/x-www-form-urlencoded;charset=utf-8',
 128                     'Google-Accounts-XSRF': 1,
 129                 })
 130
 131         def warn(message):
 132             self._downloader.report_warning(message)
 133
 134         lookup_req = [
 135             username,
 136             None, [], None, 'US', None, None, 2, False, True,
 137             [
 138                 None, None,
 139                 [2, 1, None, 1,
 140                  'https://accounts.google.com/ServiceLogin?passive=true&continue=https%3A%2F%2Fwww.youtube.com%2Fsignin%3Fnext%3D%252F%26action_handle_signin%3Dtrue%26hl%3Den%26app%3Ddesktop%26feature%3Dsign_in_button&hl=en&service=youtube&uilel=3&requestPath=%2FServiceLogin&Page=PasswordSeparationSignIn',
 141                  None, [], 4],
 142                 1, [None, None, []], None, None, None, True
 143             ],
 144             username,
 145         ]
 146
 147         lookup_results = req(
 148             self._LOOKUP_URL, lookup_req,
 149             'Looking up account info', 'Unable to look up account info')
 150
 151         if lookup_results is False:
 152             return False
 153
 154         user_hash = try_get(lookup_results, lambda x: x[0][2], compat_str)
 155         if not user_hash:
 156             warn('Unable to extract user hash')
 157             return False
 158
 159         challenge_req = [
 160             user_hash,
 161             None, 1, None, [1, None, None, None, [password, None, True]],
 162             [
 163                 None, None, [2, 1, None, 1, 'https://accounts.google.com/ServiceLogin?passive=true&continue=https%3A%2F%2Fwww.youtube.com%2Fsignin%3Fnext%3D%252F%26action_handle_signin%3Dtrue%26hl%3Den%26app%3Ddesktop%26feature%3Dsign_in_button&hl=en&service=youtube&uilel=3&requestPath=%2FServiceLogin&Page=PasswordSeparationSignIn', None, [], 4],
 164                 1, [None, None, []], None, None, None, True
 165             ]]
 166
 167         challenge_results = req(
 168             self._CHALLENGE_URL, challenge_req,
 169             'Logging in', 'Unable to log in')
 170
 171         if challenge_results is False:
 172             return
 173
 174         login_res = try_get(challenge_results, lambda x: x[0][5], list)
 175         if login_res:
 176             login_msg = try_get(login_res, lambda x: x[5], compat_str)
 177             warn(
 178                 'Unable to login: %s' % 'Invalid password'
 179                 if login_msg == 'INCORRECT_ANSWER_ENTERED' else login_msg)
 180             return False
 181
 182         res = try_get(challenge_results, lambda x: x[0][-1], list)
 183         if not res:
 184             warn('Unable to extract result entry')
 185             return False
 186
 187         login_challenge = try_get(res, lambda x: x[0][0], list)
 188         if login_challenge:
 189             challenge_str = try_get(login_challenge, lambda x: x[2], compat_str)
 190             if challenge_str == 'TWO_STEP_VERIFICATION':
 191                 # SEND_SUCCESS - TFA code has been successfully sent to phone
 192                 # QUOTA_EXCEEDED - reached the limit of TFA codes
 193                 status = try_get(login_challenge, lambda x: x[5], compat_str)
 194                 if status == 'QUOTA_EXCEEDED':
 195                     warn('Exceeded the limit of TFA codes, try later')
 196                     return False
 197
 198                 tl = try_get(challenge_results, lambda x: x[1][2], compat_str)
 199                 if not tl:
 200                     warn('Unable to extract TL')
 201                     return False
 202
 203                 tfa_code = self._get_tfa_info('2-step verification code')
 204
 205                 if not tfa_code:
 206                     warn(
 207                         'Two-factor authentication required. Provide it either interactively or with --twofactor <code>'
 208                         '(Note that only TOTP (Google Authenticator App) codes work at this time.)')
 209                     return False
 210
 211                 tfa_code = remove_start(tfa_code, 'G-')
 212
 213                 tfa_req = [
 214                     user_hash, None, 2, None,
 215                     [
 216                         9, None, None, None, None, None, None, None,
 217                         [None, tfa_code, True, 2]
 218                     ]]
 219
 220                 tfa_results = req(
 221                     self._TFA_URL.format(tl), tfa_req,
 222                     'Submitting TFA code', 'Unable to submit TFA code')
 223
 224                 if tfa_results is False:
 225                     return False
 226
 227                 tfa_res = try_get(tfa_results, lambda x: x[0][5], list)
 228                 if tfa_res:
 229                     tfa_msg = try_get(tfa_res, lambda x: x[5], compat_str)
 230                     warn(
 231                         'Unable to finish TFA: %s' % 'Invalid TFA code'
 232                         if tfa_msg == 'INCORRECT_ANSWER_ENTERED' else tfa_msg)
 233                     return False
 234
 235                 check_cookie_url = try_get(
 236                     tfa_results, lambda x: x[0][-1][2], compat_str)
 237             else:
 238                 CHALLENGES = {
 239                     'LOGIN_CHALLENGE': "This device isn't recognized. For your security, Google wants to make sure it's really you.",
 240                     'USERNAME_RECOVERY': 'Please provide additional information to aid in the recovery process.',
 241                     'REAUTH': "There is something unusual about your activity. For your security, Google wants to make sure it's really you.",
 242                 }
 243                 challenge = CHALLENGES.get(
 244                     challenge_str,
 245                     '%s returned error %s.' % (self.IE_NAME, challenge_str))
 246                 warn('%s\nGo to https://accounts.google.com/, login and solve a challenge.' % challenge)
 247                 return False
 248         else:
 249             check_cookie_url = try_get(res, lambda x: x[2], compat_str)
 250
 251         if not check_cookie_url:
 252             warn('Unable to extract CheckCookie URL')
 253             return False
 254
 255         check_cookie_results = self._download_webpage(
 256             check_cookie_url, None, 'Checking cookie', fatal=False)
 257
 258         if check_cookie_results is False:
 259             return False
 260
 261         if 'https://myaccount.google.com/' not in check_cookie_results:
 262             warn('Unable to log in')
 263             return False
 264
 265         return True
 266
 267     def _download_webpage_handle(self, *args, **kwargs):
 268         query = kwargs.get('query', {}).copy()
 269         query['disable_polymer'] = 'true'
 270         kwargs['query'] = query
 271         return super(YoutubeBaseInfoExtractor, self)._download_webpage_handle(
 272             *args, **compat_kwargs(kwargs))
 273
 274     def _real_initialize(self):
 275         if self._downloader is None:
 276             return
 277         self._set_language()
 278         if not self._login():
 279             return
 280
 281
 282 class YoutubeEntryListBaseInfoExtractor(YoutubeBaseInfoExtractor):
 283     # Extract entries from page with "Load more" button
 284     def _entries(self, page, playlist_id):
 285         more_widget_html = content_html = page
 286         for page_num in itertools.count(1):
 287             for entry in self._process_page(content_html):
 288                 yield entry
 289
 290             mobj = re.search(r'data-uix-load-more-href="/?(?P<more>[^"]+)"', more_widget_html)
 291             if not mobj:
 292                 break
 293
 294             count = 0
 295             retries = 3
 296             while count <= retries:
 297                 try:
 298                     # Downloading page may result in intermittent 5xx HTTP error
 299                     # that is usually worked around with a retry
 300                     more = self._download_json(
 301                         'https://youtube.com/%s' % mobj.group('more'), playlist_id,
 302                         'Downloading page #%s%s'
 303                         % (page_num, ' (retry #%d)' % count if count else ''),
 304                         transform_source=uppercase_escape)
 305                     break
 306                 except ExtractorError as e:
 307                     if isinstance(e.cause, compat_HTTPError) and e.cause.code in (500, 503):
 308                         count += 1
 309                         if count <= retries:
 310                             continue
 311                     raise
 312
 313             content_html = more['content_html']
 314             if not content_html.strip():
 315                 # Some webpages show a "Load more" button but they don't
 316                 # have more videos
 317                 break
 318             more_widget_html = more['load_more_widget_html']
 319
 320
 321 class YoutubePlaylistBaseInfoExtractor(YoutubeEntryListBaseInfoExtractor):
 322     def _process_page(self, content):
 323         for video_id, video_title in self.extract_videos_from_page(content):
 324             yield self.url_result(video_id, 'Youtube', video_id, video_title)
 325
 326     def extract_videos_from_page_impl(self, video_re, page, ids_in_page, titles_in_page):
 327         for mobj in re.finditer(video_re, page):
 328             # The link with index 0 is not the first video of the playlist (not sure if still actual)
 329             if 'index' in mobj.groupdict() and mobj.group('id') == '0':
 330                 continue
 331             video_id = mobj.group('id')
 332             video_title = unescapeHTML(
 333                 mobj.group('title')) if 'title' in mobj.groupdict() else None
 334             if video_title:
 335                 video_title = video_title.strip()
 336             if video_title == '► Play all':
 337                 video_title = None
 338             try:
 339                 idx = ids_in_page.index(video_id)
 340                 if video_title and not titles_in_page[idx]:
 341                     titles_in_page[idx] = video_title
 342             except ValueError:
 343                 ids_in_page.append(video_id)
 344                 titles_in_page.append(video_title)
 345
 346     def extract_videos_from_page(self, page):
 347         ids_in_page = []
 348         titles_in_page = []
 349         self.extract_videos_from_page_impl(
 350             self._VIDEO_RE, page, ids_in_page, titles_in_page)
 351         return zip(ids_in_page, titles_in_page)
 352
 353
 354 class YoutubePlaylistsBaseInfoExtractor(YoutubeEntryListBaseInfoExtractor):
 355     def _process_page(self, content):
 356         for playlist_id in orderedSet(re.findall(
 357                 r'<h3[^>]+class="[^"]*yt-lockup-title[^"]*"[^>]*><a[^>]+href="/?playlist\?list=([0-9A-Za-z-_]{10,})"',
 358                 content)):
 359             yield self.url_result(
 360                 'https://www.youtube.com/playlist?list=%s' % playlist_id, 'YoutubePlaylist')
 361
 362     def _real_extract(self, url):
 363         playlist_id = self._match_id(url)
 364         webpage = self._download_webpage(url, playlist_id)
 365         title = self._og_search_title(webpage, fatal=False)
 366         return self.playlist_result(self._entries(webpage, playlist_id), playlist_id, title)
 367
 368
 369 class YoutubeIE(YoutubeBaseInfoExtractor):
 370     IE_DESC = 'YouTube.com'
 371     _VALID_URL = r"""(?x)^
 372                      (
 373                          (?:https?://|//)                                    # http(s):// or protocol-independent URL
 374                          (?:(?:(?:(?:\w+\.)?[yY][oO][uU][tT][uU][bB][eE](?:-nocookie|kids)?\.com/|
 375                             (?:www\.)?deturl\.com/www\.youtube\.com/|
 376                             (?:www\.)?pwnyoutube\.com/|
 377                             (?:www\.)?hooktube\.com/|
 378                             (?:www\.)?yourepeat\.com/|
 379                             tube\.majestyc\.net/|
 380                             # Invidious instances taken from https://github.com/omarroth/invidious/wiki/Invidious-Instances
 381                             (?:(?:www|dev)\.)?invidio\.us/|
 382                             (?:(?:www|no)\.)?invidiou\.sh/|
 383                             (?:(?:www|fi|de)\.)?invidious\.snopyta\.org/|
 384                             (?:www\.)?invidious\.kabi\.tk/|
 385                             (?:www\.)?invidious\.13ad\.de/|
 386                             (?:www\.)?invidious\.mastodon\.host/|
 387                             (?:www\.)?invidious\.nixnet\.xyz/|
 388                             (?:www\.)?invidious\.drycat\.fr/|
 389                             (?:www\.)?tube\.poal\.co/|
 390                             (?:www\.)?vid\.wxzm\.sx/|
 391                             (?:www\.)?yewtu\.be/|
 392                             (?:www\.)?yt\.elukerio\.org/|
 393                             (?:www\.)?yt\.lelux\.fi/|
 394                             (?:www\.)?invidious\.ggc-project\.de/|
 395                             (?:www\.)?yt\.maisputain\.ovh/|
 396                             (?:www\.)?invidious\.13ad\.de/|
 397                             (?:www\.)?invidious\.toot\.koeln/|
 398                             (?:www\.)?invidious\.fdn\.fr/|
 399                             (?:www\.)?watch\.nettohikari\.com/|
 400                             (?:www\.)?kgg2m7yk5aybusll\.onion/|
 401                             (?:www\.)?qklhadlycap4cnod\.onion/|
 402                             (?:www\.)?axqzx4s6s54s32yentfqojs3x5i7faxza6xo3ehd4bzzsg2ii4fv2iid\.onion/|
 403                             (?:www\.)?c7hqkpkpemu6e7emz5b4vyz7idjgdvgaaa3dyimmeojqbgpea3xqjoid\.onion/|
 404                             (?:www\.)?fz253lmuao3strwbfbmx46yu7acac2jz27iwtorgmbqlkurlclmancad\.onion/|
 405                             (?:www\.)?invidious\.l4qlywnpwqsluw65ts7md3khrivpirse744un3x7mlskqauz5pyuzgqd\.onion/|
 406                             (?:www\.)?owxfohz4kjyv25fvlqilyxast7inivgiktls3th44jhk3ej3i7ya\.b32\.i2p/|
 407                             (?:www\.)?4l2dgddgsrkf2ous66i6seeyi6etzfgrue332grh2n7madpwopotugyd\.onion/|
 408                             youtube\.googleapis\.com/)                        # the various hostnames, with wildcard subdomains
 409                          (?:.*?\#/)?                                          # handle anchor (#/) redirect urls
 410                          (?:                                                  # the various things that can precede the ID:
 411                              (?:(?:v|embed|e)/(?!videoseries))                # v/ or embed/ or e/
 412                              |(?:                                             # or the v= param in all its forms
 413                                  (?:(?:watch|movie)(?:_popup)?(?:\.php)?/?)?  # preceding watch(_popup|.php) or nothing (like /?v=xxxx)
 414                                  (?:\?|\#!?)                                  # the params delimiter ? or # or #!
 415                                  (?:.*?[&;])??                                # any other preceding param (like /?s=tuff&v=xxxx or ?s=tuff&amp;v=V36LpHqtcDY)
 416                                  v=
 417                              )
 418                          ))
 419                          |(?:
 420                             youtu\.be|                                        # just youtu.be/xxxx
 421                             vid\.plus|                                        # or vid.plus/xxxx
 422                             zwearz\.com/watch|                                # or zwearz.com/watch/xxxx
 423                          )/
 424                          |(?:www\.)?cleanvideosearch\.com/media/action/yt/watch\?videoId=
 425                          )
 426                      )?                                                       # all until now is optional -> you can pass the naked ID
 427                      ([0-9A-Za-z_-]{11})                                      # here is it! the YouTube video ID
 428                      (?!.*?\blist=
 429                         (?:
 430                             %(playlist_id)s|                                  # combined list/video URLs are handled by the playlist IE
 431                             WL                                                # WL are handled by the watch later IE
 432                         )
 433                      )
 434                      (?(1).+)?                                                # if we found the ID, everything can follow
 435                      $""" % {'playlist_id': YoutubeBaseInfoExtractor._PLAYLIST_ID_RE}
 436     _NEXT_URL_RE = r'[\?&]next_url=([^&]+)'
 437     _PLAYER_INFO_RE = (
 438         r'/(?P<id>[a-zA-Z0-9_-]{8,})/player_ias\.vflset(?:/[a-zA-Z]{2,3}_[a-zA-Z]{2,3})?/base\.(?P<ext>[a-z]+)$',
 439         r'\b(?P<id>vfl[a-zA-Z0-9_-]+)\b.*?\.(?P<ext>[a-z]+)$',
 440     )
 441     _formats = {
 442         '5': {'ext': 'flv', 'width': 400, 'height': 240, 'acodec': 'mp3', 'abr': 64, 'vcodec': 'h263'},
 443         '6': {'ext': 'flv', 'width': 450, 'height': 270, 'acodec': 'mp3', 'abr': 64, 'vcodec': 'h263'},
 444         '13': {'ext': '3gp', 'acodec': 'aac', 'vcodec': 'mp4v'},
 445         '17': {'ext': '3gp', 'width': 176, 'height': 144, 'acodec': 'aac', 'abr': 24, 'vcodec': 'mp4v'},
 446         '18': {'ext': 'mp4', 'width': 640, 'height': 360, 'acodec': 'aac', 'abr': 96, 'vcodec': 'h264'},
 447         '22': {'ext': 'mp4', 'width': 1280, 'height': 720, 'acodec': 'aac', 'abr': 192, 'vcodec': 'h264'},
 448         '34': {'ext': 'flv', 'width': 640, 'height': 360, 'acodec': 'aac', 'abr': 128, 'vcodec': 'h264'},
 449         '35': {'ext': 'flv', 'width': 854, 'height': 480, 'acodec': 'aac', 'abr': 128, 'vcodec': 'h264'},
 450         # itag 36 videos are either 320x180 (BaW_jenozKc) or 320x240 (__2ABJjxzNo), abr varies as well
 451         '36': {'ext': '3gp', 'width': 320, 'acodec': 'aac', 'vcodec': 'mp4v'},
 452         '37': {'ext': 'mp4', 'width': 1920, 'height': 1080, 'acodec': 'aac', 'abr': 192, 'vcodec': 'h264'},
 453         '38': {'ext': 'mp4', 'width': 4096, 'height': 3072, 'acodec': 'aac', 'abr': 192, 'vcodec': 'h264'},
 454         '43': {'ext': 'webm', 'width': 640, 'height': 360, 'acodec': 'vorbis', 'abr': 128, 'vcodec': 'vp8'},
 455         '44': {'ext': 'webm', 'width': 854, 'height': 480, 'acodec': 'vorbis', 'abr': 128, 'vcodec': 'vp8'},
 456         '45': {'ext': 'webm', 'width': 1280, 'height': 720, 'acodec': 'vorbis', 'abr': 192, 'vcodec': 'vp8'},
 457         '46': {'ext': 'webm', 'width': 1920, 'height': 1080, 'acodec': 'vorbis', 'abr': 192, 'vcodec': 'vp8'},
 458         '59': {'ext': 'mp4', 'width': 854, 'height': 480, 'acodec': 'aac', 'abr': 128, 'vcodec': 'h264'},
 459         '78': {'ext': 'mp4', 'width': 854, 'height': 480, 'acodec': 'aac', 'abr': 128, 'vcodec': 'h264'},
 460
 461
 462         # 3D videos
 463         '82': {'ext': 'mp4', 'height': 360, 'format_note': '3D', 'acodec': 'aac', 'abr': 128, 'vcodec': 'h264', 'preference': -20},
 464         '83': {'ext': 'mp4', 'height': 480, 'format_note': '3D', 'acodec': 'aac', 'abr': 128, 'vcodec': 'h264', 'preference': -20},
 465         '84': {'ext': 'mp4', 'height': 720, 'format_note': '3D', 'acodec': 'aac', 'abr': 192, 'vcodec': 'h264', 'preference': -20},
 466         '85': {'ext': 'mp4', 'height': 1080, 'format_note': '3D', 'acodec': 'aac', 'abr': 192, 'vcodec': 'h264', 'preference': -20},
 467         '100': {'ext': 'webm', 'height': 360, 'format_note': '3D', 'acodec': 'vorbis', 'abr': 128, 'vcodec': 'vp8', 'preference': -20},
 468         '101': {'ext': 'webm', 'height': 480, 'format_note': '3D', 'acodec': 'vorbis', 'abr': 192, 'vcodec': 'vp8', 'preference': -20},
 469         '102': {'ext': 'webm', 'height': 720, 'format_note': '3D', 'acodec': 'vorbis', 'abr': 192, 'vcodec': 'vp8', 'preference': -20},
 470
 471         # Apple HTTP Live Streaming
 472         '91': {'ext': 'mp4', 'height': 144, 'format_note': 'HLS', 'acodec': 'aac', 'abr': 48, 'vcodec': 'h264', 'preference': -10},
 473         '92': {'ext': 'mp4', 'height': 240, 'format_note': 'HLS', 'acodec': 'aac', 'abr': 48, 'vcodec': 'h264', 'preference': -10},
 474         '93': {'ext': 'mp4', 'height': 360, 'format_note': 'HLS', 'acodec': 'aac', 'abr': 128, 'vcodec': 'h264', 'preference': -10},
 475         '94': {'ext': 'mp4', 'height': 480, 'format_note': 'HLS', 'acodec': 'aac', 'abr': 128, 'vcodec': 'h264', 'preference': -10},
 476         '95': {'ext': 'mp4', 'height': 720, 'format_note': 'HLS', 'acodec': 'aac', 'abr': 256, 'vcodec': 'h264', 'preference': -10},
 477         '96': {'ext': 'mp4', 'height': 1080, 'format_note': 'HLS', 'acodec': 'aac', 'abr': 256, 'vcodec': 'h264', 'preference': -10},
 478         '132': {'ext': 'mp4', 'height': 240, 'format_note': 'HLS', 'acodec': 'aac', 'abr': 48, 'vcodec': 'h264', 'preference': -10},
 479         '151': {'ext': 'mp4', 'height': 72, 'format_note': 'HLS', 'acodec': 'aac', 'abr': 24, 'vcodec': 'h264', 'preference': -10},
 480
 481         # DASH mp4 video
 482         '133': {'ext': 'mp4', 'height': 240, 'format_note': 'DASH video', 'vcodec': 'h264'},
 483         '134': {'ext': 'mp4', 'height': 360, 'format_note': 'DASH video', 'vcodec': 'h264'},
 484         '135': {'ext': 'mp4', 'height': 480, 'format_note': 'DASH video', 'vcodec': 'h264'},
 485         '136': {'ext': 'mp4', 'height': 720, 'format_note': 'DASH video', 'vcodec': 'h264'},
 486         '137': {'ext': 'mp4', 'height': 1080, 'format_note': 'DASH video', 'vcodec': 'h264'},
 487         '138': {'ext': 'mp4', 'format_note': 'DASH video', 'vcodec': 'h264'},  # Height can vary (https://github.com/ytdl-org/youtube-dl/issues/4559)
 488         '160': {'ext': 'mp4', 'height': 144, 'format_note': 'DASH video', 'vcodec': 'h264'},
 489         '212': {'ext': 'mp4', 'height': 480, 'format_note': 'DASH video', 'vcodec': 'h264'},
 490         '264': {'ext': 'mp4', 'height': 1440, 'format_note': 'DASH video', 'vcodec': 'h264'},
 491         '298': {'ext': 'mp4', 'height': 720, 'format_note': 'DASH video', 'vcodec': 'h264', 'fps': 60},
 492         '299': {'ext': 'mp4', 'height': 1080, 'format_note': 'DASH video', 'vcodec': 'h264', 'fps': 60},
 493         '266': {'ext': 'mp4', 'height': 2160, 'format_note': 'DASH video', 'vcodec': 'h264'},
 494
 495         # Dash mp4 audio
 496         '139': {'ext': 'm4a', 'format_note': 'DASH audio', 'acodec': 'aac', 'abr': 48, 'container': 'm4a_dash'},
 497         '140': {'ext': 'm4a', 'format_note': 'DASH audio', 'acodec': 'aac', 'abr': 128, 'container': 'm4a_dash'},
 498         '141': {'ext': 'm4a', 'format_note': 'DASH audio', 'acodec': 'aac', 'abr': 256, 'container': 'm4a_dash'},
 499         '256': {'ext': 'm4a', 'format_note': 'DASH audio', 'acodec': 'aac', 'container': 'm4a_dash'},
 500         '258': {'ext': 'm4a', 'format_note': 'DASH audio', 'acodec': 'aac', 'container': 'm4a_dash'},
 501         '325': {'ext': 'm4a', 'format_note': 'DASH audio', 'acodec': 'dtse', 'container': 'm4a_dash'},
 502         '328': {'ext': 'm4a', 'format_note': 'DASH audio', 'acodec': 'ec-3', 'container': 'm4a_dash'},
 503
 504         # Dash webm
 505         '167': {'ext': 'webm', 'height': 360, 'width': 640, 'format_note': 'DASH video', 'container': 'webm', 'vcodec': 'vp8'},
 506         '168': {'ext': 'webm', 'height': 480, 'width': 854, 'format_note': 'DASH video', 'container': 'webm', 'vcodec': 'vp8'},
 507         '169': {'ext': 'webm', 'height': 720, 'width': 1280, 'format_note': 'DASH video', 'container': 'webm', 'vcodec': 'vp8'},
 508         '170': {'ext': 'webm', 'height': 1080, 'width': 1920, 'format_note': 'DASH video', 'container': 'webm', 'vcodec': 'vp8'},
 509         '218': {'ext': 'webm', 'height': 480, 'width': 854, 'format_note': 'DASH video', 'container': 'webm', 'vcodec': 'vp8'},
 510         '219': {'ext': 'webm', 'height': 480, 'width': 854, 'format_note': 'DASH video', 'container': 'webm', 'vcodec': 'vp8'},
 511         '278': {'ext': 'webm', 'height': 144, 'format_note': 'DASH video', 'container': 'webm', 'vcodec': 'vp9'},
 512         '242': {'ext': 'webm', 'height': 240, 'format_note': 'DASH video', 'vcodec': 'vp9'},
 513         '243': {'ext': 'webm', 'height': 360, 'format_note': 'DASH video', 'vcodec': 'vp9'},
 514         '244': {'ext': 'webm', 'height': 480, 'format_note': 'DASH video', 'vcodec': 'vp9'},
 515         '245': {'ext': 'webm', 'height': 480, 'format_note': 'DASH video', 'vcodec': 'vp9'},
 516         '246': {'ext': 'webm', 'height': 480, 'format_note': 'DASH video', 'vcodec': 'vp9'},
 517         '247': {'ext': 'webm', 'height': 720, 'format_note': 'DASH video', 'vcodec': 'vp9'},
 518         '248': {'ext': 'webm', 'height': 1080, 'format_note': 'DASH video', 'vcodec': 'vp9'},
 519         '271': {'ext': 'webm', 'height': 1440, 'format_note': 'DASH video', 'vcodec': 'vp9'},
 520         # itag 272 videos are either 3840x2160 (e.g. RtoitU2A-3E) or 7680x4320 (sLprVF6d7Ug)
 521         '272': {'ext': 'webm', 'height': 2160, 'format_note': 'DASH video', 'vcodec': 'vp9'},
 522         '302': {'ext': 'webm', 'height': 720, 'format_note': 'DASH video', 'vcodec': 'vp9', 'fps': 60},
 523         '303': {'ext': 'webm', 'height': 1080, 'format_note': 'DASH video', 'vcodec': 'vp9', 'fps': 60},
 524         '308': {'ext': 'webm', 'height': 1440, 'format_note': 'DASH video', 'vcodec': 'vp9', 'fps': 60},
 525         '313': {'ext': 'webm', 'height': 2160, 'format_note': 'DASH video', 'vcodec': 'vp9'},
 526         '315': {'ext': 'webm', 'height': 2160, 'format_note': 'DASH video', 'vcodec': 'vp9', 'fps': 60},
 527
 528         # Dash webm audio
 529         '171': {'ext': 'webm', 'acodec': 'vorbis', 'format_note': 'DASH audio', 'abr': 128},
 530         '172': {'ext': 'webm', 'acodec': 'vorbis', 'format_note': 'DASH audio', 'abr': 256},
 531
 532         # Dash webm audio with opus inside
 533         '249': {'ext': 'webm', 'format_note': 'DASH audio', 'acodec': 'opus', 'abr': 50},
 534         '250': {'ext': 'webm', 'format_note': 'DASH audio', 'acodec': 'opus', 'abr': 70},
 535         '251': {'ext': 'webm', 'format_note': 'DASH audio', 'acodec': 'opus', 'abr': 160},
 536
 537         # RTMP (unnamed)
 538         '_rtmp': {'protocol': 'rtmp'},
 539
 540         # av01 video only formats sometimes served with "unknown" codecs
 541         '394': {'acodec': 'none', 'vcodec': 'av01.0.05M.08'},
 542         '395': {'acodec': 'none', 'vcodec': 'av01.0.05M.08'},
 543         '396': {'acodec': 'none', 'vcodec': 'av01.0.05M.08'},
 544         '397': {'acodec': 'none', 'vcodec': 'av01.0.05M.08'},
 545     }
 546     _SUBTITLE_FORMATS = ('srv1', 'srv2', 'srv3', 'ttml', 'vtt')
 547
 548     _GEO_BYPASS = False
 549
 550     IE_NAME = 'youtube'
 551     _TESTS = [
 552         {
 553             'url': 'https://www.youtube.com/watch?v=BaW_jenozKc&t=1s&end=9',
 554             'info_dict': {
 555                 'id': 'BaW_jenozKc',
 556                 'ext': 'mp4',
 557                 'title': 'youtube-dl test video "\'/\\ä↭𝕐',
 558                 'uploader': 'Philipp Hagemeister',
 559                 'uploader_id': 'phihag',
 560                 'uploader_url': r're:https?://(?:www\.)?youtube\.com/user/phihag',
 561                 'channel_id': 'UCLqxVugv74EIW3VWh2NOa3Q',
 562                 'channel_url': r're:https?://(?:www\.)?youtube\.com/channel/UCLqxVugv74EIW3VWh2NOa3Q',
 563                 'upload_date': '20121002',
 564                 'description': 'test chars:  "\'/\\ä↭𝕐\ntest URL: https://github.com/rg3/youtube-dl/issues/1892\n\nThis is a test video for youtube-dl.\n\nFor more information, contact phihag@phihag.de .',
 565                 'categories': ['Science & Technology'],
 566                 'tags': ['youtube-dl'],
 567                 'duration': 10,
 568                 'view_count': int,
 569                 'like_count': int,
 570                 'dislike_count': int,
 571                 'start_time': 1,
 572                 'end_time': 9,
 573             }
 574         },
 575         {
 576             'url': 'https://www.youtube.com/watch?v=UxxajLWwzqY',
 577             'note': 'Test generic use_cipher_signature video (#897)',
 578             'info_dict': {
 579                 'id': 'UxxajLWwzqY',
 580                 'ext': 'mp4',
 581                 'upload_date': '20120506',
 582                 'title': 'Icona Pop - I Love It (feat. Charli XCX) [OFFICIAL VIDEO]',
 583                 'alt_title': 'I Love It (feat. Charli XCX)',
 584                 'description': 'md5:19a2f98d9032b9311e686ed039564f63',
 585                 'tags': ['Icona Pop i love it', 'sweden', 'pop music', 'big beat records', 'big beat', 'charli',
 586                          'xcx', 'charli xcx', 'girls', 'hbo', 'i love it', "i don't care", 'icona', 'pop',
 587                          'iconic ep', 'iconic', 'love', 'it'],
 588                 'duration': 180,
 589                 'uploader': 'Icona Pop',
 590                 'uploader_id': 'IconaPop',
 591                 'uploader_url': r're:https?://(?:www\.)?youtube\.com/user/IconaPop',
 592                 'creator': 'Icona Pop',
 593                 'track': 'I Love It (feat. Charli XCX)',
 594                 'artist': 'Icona Pop',
 595             }
 596         },
 597         {
 598             'url': 'https://www.youtube.com/watch?v=07FYdnEawAQ',
 599             'note': 'Test VEVO video with age protection (#956)',
 600             'info_dict': {
 601                 'id': '07FYdnEawAQ',
 602                 'ext': 'mp4',
 603                 'upload_date': '20130703',
 604                 'title': 'Justin Timberlake - Tunnel Vision (Official Music Video) (Explicit)',
 605                 'alt_title': 'Tunnel Vision',
 606                 'description': 'md5:07dab3356cde4199048e4c7cd93471e1',
 607                 'duration': 419,
 608                 'uploader': 'justintimberlakeVEVO',
 609                 'uploader_id': 'justintimberlakeVEVO',
 610                 'uploader_url': r're:https?://(?:www\.)?youtube\.com/user/justintimberlakeVEVO',
 611                 'creator': 'Justin Timberlake',
 612                 'track': 'Tunnel Vision',
 613                 'artist': 'Justin Timberlake',
 614                 'age_limit': 18,
 615             }
 616         },
 617         {
 618             'url': '//www.YouTube.com/watch?v=yZIXLfi8CZQ',
 619             'note': 'Embed-only video (#1746)',
 620             'info_dict': {
 621                 'id': 'yZIXLfi8CZQ',
 622                 'ext': 'mp4',
 623                 'upload_date': '20120608',
 624                 'title': 'Principal Sexually Assaults A Teacher - Episode 117 - 8th June 2012',
 625                 'description': 'md5:09b78bd971f1e3e289601dfba15ca4f7',
 626                 'uploader': 'SET India',
 627                 'uploader_id': 'setindia',
 628                 'uploader_url': r're:https?://(?:www\.)?youtube\.com/user/setindia',
 629                 'age_limit': 18,
 630             }
 631         },
 632         {
 633             'url': 'https://www.youtube.com/watch?v=BaW_jenozKc&v=UxxajLWwzqY',
 634             'note': 'Use the first video ID in the URL',
 635             'info_dict': {
 636                 'id': 'BaW_jenozKc',
 637                 'ext': 'mp4',
 638                 'title': 'youtube-dl test video "\'/\\ä↭𝕐',
 639                 'uploader': 'Philipp Hagemeister',
 640                 'uploader_id': 'phihag',
 641                 'uploader_url': r're:https?://(?:www\.)?youtube\.com/user/phihag',
 642                 'upload_date': '20121002',
 643                 'description': 'test chars:  "\'/\\ä↭𝕐\ntest URL: https://github.com/rg3/youtube-dl/issues/1892\n\nThis is a test video for youtube-dl.\n\nFor more information, contact phihag@phihag.de .',
 644                 'categories': ['Science & Technology'],
 645                 'tags': ['youtube-dl'],
 646                 'duration': 10,
 647                 'view_count': int,
 648                 'like_count': int,
 649                 'dislike_count': int,
 650             },
 651             'params': {
 652                 'skip_download': True,
 653             },
 654         },
 655         {
 656             'url': 'https://www.youtube.com/watch?v=a9LDPn-MO4I',
 657             'note': '256k DASH audio (format 141) via DASH manifest',
 658             'info_dict': {
 659                 'id': 'a9LDPn-MO4I',
 660                 'ext': 'm4a',
 661                 'upload_date': '20121002',
 662                 'uploader_id': '8KVIDEO',
 663                 'uploader_url': r're:https?://(?:www\.)?youtube\.com/user/8KVIDEO',
 664                 'description': '',
 665                 'uploader': '8KVIDEO',
 666                 'title': 'UHDTV TEST 8K VIDEO.mp4'
 667             },
 668             'params': {
 669                 'youtube_include_dash_manifest': True,
 670                 'format': '141',
 671             },
 672             'skip': 'format 141 not served anymore',
 673         },
 674         # DASH manifest with encrypted signature
 675         {
 676             'url': 'https://www.youtube.com/watch?v=IB3lcPjvWLA',
 677             'info_dict': {
 678                 'id': 'IB3lcPjvWLA',
 679                 'ext': 'm4a',
 680                 'title': 'Afrojack, Spree Wilson - The Spark (Official Music Video) ft. Spree Wilson',
 681                 'description': 'md5:8f5e2b82460520b619ccac1f509d43bf',
 682                 'duration': 244,
 683                 'uploader': 'AfrojackVEVO',
 684                 'uploader_id': 'AfrojackVEVO',
 685                 'upload_date': '20131011',
 686             },
 687             'params': {
 688                 'youtube_include_dash_manifest': True,
 689                 'format': '141/bestaudio[ext=m4a]',
 690             },
 691         },
 692         # JS player signature function name containing $
 693         {
 694             'url': 'https://www.youtube.com/watch?v=nfWlot6h_JM',
 695             'info_dict': {
 696                 'id': 'nfWlot6h_JM',
 697                 'ext': 'm4a',
 698                 'title': 'Taylor Swift - Shake It Off',
 699                 'description': 'md5:307195cd21ff7fa352270fe884570ef0',
 700                 'duration': 242,
 701                 'uploader': 'TaylorSwiftVEVO',
 702                 'uploader_id': 'TaylorSwiftVEVO',
 703                 'upload_date': '20140818',
 704             },
 705             'params': {
 706                 'youtube_include_dash_manifest': True,
 707                 'format': '141/bestaudio[ext=m4a]',
 708             },
 709         },
 710         # Controversy video
 711         {
 712             'url': 'https://www.youtube.com/watch?v=T4XJQO3qol8',
 713             'info_dict': {
 714                 'id': 'T4XJQO3qol8',
 715                 'ext': 'mp4',
 716                 'duration': 219,
 717                 'upload_date': '20100909',
 718                 'uploader': 'Amazing Atheist',
 719                 'uploader_id': 'TheAmazingAtheist',
 720                 'uploader_url': r're:https?://(?:www\.)?youtube\.com/user/TheAmazingAtheist',
 721                 'title': 'Burning Everyone\'s Koran',
 722                 'description': 'SUBSCRIBE: http://www.youtube.com/saturninefilms\n\nEven Obama has taken a stand against freedom on this issue: http://www.huffingtonpost.com/2010/09/09/obama-gma-interview-quran_n_710282.html',
 723             }
 724         },
 725         # Normal age-gate video (No vevo, embed allowed)
 726         {
 727             'url': 'https://youtube.com/watch?v=HtVdAasjOgU',
 728             'info_dict': {
 729                 'id': 'HtVdAasjOgU',
 730                 'ext': 'mp4',
 731                 'title': 'The Witcher 3: Wild Hunt - The Sword Of Destiny Trailer',
 732                 'description': r're:(?s).{100,}About the Game\n.*?The Witcher 3: Wild Hunt.{100,}',
 733                 'duration': 142,
 734                 'uploader': 'The Witcher',
 735                 'uploader_id': 'WitcherGame',
 736                 'uploader_url': r're:https?://(?:www\.)?youtube\.com/user/WitcherGame',
 737                 'upload_date': '20140605',
 738                 'age_limit': 18,
 739             },
 740         },
 741         # Age-gate video with encrypted signature
 742         {
 743             'url': 'https://www.youtube.com/watch?v=6kLq3WMV1nU',
 744             'info_dict': {
 745                 'id': '6kLq3WMV1nU',
 746                 'ext': 'mp4',
 747                 'title': 'Dedication To My Ex (Miss That) (Lyric Video)',
 748                 'description': 'md5:33765bb339e1b47e7e72b5490139bb41',
 749                 'duration': 246,
 750                 'uploader': 'LloydVEVO',
 751                 'uploader_id': 'LloydVEVO',
 752                 'uploader_url': r're:https?://(?:www\.)?youtube\.com/user/LloydVEVO',
 753                 'upload_date': '20110629',
 754                 'age_limit': 18,
 755             },
 756         },
 757         # video_info is None (https://github.com/ytdl-org/youtube-dl/issues/4421)
 758         # YouTube Red ad is not captured for creator
 759         {
 760             'url': '__2ABJjxzNo',
 761             'info_dict': {
 762                 'id': '__2ABJjxzNo',
 763                 'ext': 'mp4',
 764                 'duration': 266,
 765                 'upload_date': '20100430',
 766                 'uploader_id': 'deadmau5',
 767                 'uploader_url': r're:https?://(?:www\.)?youtube\.com/user/deadmau5',
 768                 'creator': 'Dada Life, deadmau5',
 769                 'description': 'md5:12c56784b8032162bb936a5f76d55360',
 770                 'uploader': 'deadmau5',
 771                 'title': 'Deadmau5 - Some Chords (HD)',
 772                 'alt_title': 'This Machine Kills Some Chords',
 773             },
 774             'expected_warnings': [
 775                 'DASH manifest missing',
 776             ]
 777         },
 778         # Olympics (https://github.com/ytdl-org/youtube-dl/issues/4431)
 779         {
 780             'url': 'lqQg6PlCWgI',
 781             'info_dict': {
 782                 'id': 'lqQg6PlCWgI',
 783                 'ext': 'mp4',
 784                 'duration': 6085,
 785                 'upload_date': '20150827',
 786                 'uploader_id': 'olympic',
 787                 'uploader_url': r're:https?://(?:www\.)?youtube\.com/user/olympic',
 788                 'description': 'HO09  - Women -  GER-AUS - Hockey - 31 July 2012 - London 2012 Olympic Games',
 789                 'uploader': 'Olympic',
 790                 'title': 'Hockey - Women -  GER-AUS - London 2012 Olympic Games',
 791             },
 792             'params': {
 793                 'skip_download': 'requires avconv',
 794             }
 795         },
 796         # Non-square pixels
 797         {
 798             'url': 'https://www.youtube.com/watch?v=_b-2C3KPAM0',
 799             'info_dict': {
 800                 'id': '_b-2C3KPAM0',
 801                 'ext': 'mp4',
 802                 'stretched_ratio': 16 / 9.,
 803                 'duration': 85,
 804                 'upload_date': '20110310',
 805                 'uploader_id': 'AllenMeow',
 806                 'uploader_url': r're:https?://(?:www\.)?youtube\.com/user/AllenMeow',
 807                 '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',
 808                 'uploader': '孫ᄋᄅ',
 809                 'title': '[A-made] 變態妍字幕版 太妍 我就是這樣的人',
 810             },
 811         },
 812         # url_encoded_fmt_stream_map is empty string
 813         {
 814             'url': 'qEJwOuvDf7I',
 815             'info_dict': {
 816                 'id': 'qEJwOuvDf7I',
 817                 'ext': 'webm',
 818                 'title': 'Обсуждение судебной практики по выборам 14 сентября 2014 года в Санкт-Петербурге',
 819                 'description': '',
 820                 'upload_date': '20150404',
 821                 'uploader_id': 'spbelect',
 822                 'uploader': 'Наблюдатели Петербурга',
 823             },
 824             'params': {
 825                 'skip_download': 'requires avconv',
 826             },
 827             'skip': 'This live event has ended.',
 828         },
 829         # Extraction from multiple DASH manifests (https://github.com/ytdl-org/youtube-dl/pull/6097)
 830         {
 831             'url': 'https://www.youtube.com/watch?v=FIl7x6_3R5Y',
 832             'info_dict': {
 833                 'id': 'FIl7x6_3R5Y',
 834                 'ext': 'webm',
 835                 'title': 'md5:7b81415841e02ecd4313668cde88737a',
 836                 'description': 'md5:116377fd2963b81ec4ce64b542173306',
 837                 'duration': 220,
 838                 'upload_date': '20150625',
 839                 'uploader_id': 'dorappi2000',
 840                 'uploader_url': r're:https?://(?:www\.)?youtube\.com/user/dorappi2000',
 841                 'uploader': 'dorappi2000',
 842                 'formats': 'mincount:31',
 843             },
 844             'skip': 'not actual anymore',
 845         },
 846         # DASH manifest with segment_list
 847         {
 848             'url': 'https://www.youtube.com/embed/CsmdDsKjzN8',
 849             'md5': '8ce563a1d667b599d21064e982ab9e31',
 850             'info_dict': {
 851                 'id': 'CsmdDsKjzN8',
 852                 'ext': 'mp4',
 853                 'upload_date': '20150501',  # According to '<meta itemprop="datePublished"', but in other places it's 20150510
 854                 'uploader': 'Airtek',
 855                 'description': 'Retransmisión en directo de la XVIII media maratón de Zaragoza.',
 856                 'uploader_id': 'UCzTzUmjXxxacNnL8I3m4LnQ',
 857                 'title': 'Retransmisión XVIII Media maratón Zaragoza 2015',
 858             },
 859             'params': {
 860                 'youtube_include_dash_manifest': True,
 861                 'format': '135',  # bestvideo
 862             },
 863             'skip': 'This live event has ended.',
 864         },
 865         {
 866             # Multifeed videos (multiple cameras), URL is for Main Camera
 867             'url': 'https://www.youtube.com/watch?v=jqWvoWXjCVs',
 868             'info_dict': {
 869                 'id': 'jqWvoWXjCVs',
 870                 'title': 'teamPGP: Rocket League Noob Stream',
 871                 'description': 'md5:dc7872fb300e143831327f1bae3af010',
 872             },
 873             'playlist': [{
 874                 'info_dict': {
 875                     'id': 'jqWvoWXjCVs',
 876                     'ext': 'mp4',
 877                     'title': 'teamPGP: Rocket League Noob Stream (Main Camera)',
 878                     'description': 'md5:dc7872fb300e143831327f1bae3af010',
 879                     'duration': 7335,
 880                     'upload_date': '20150721',
 881                     'uploader': 'Beer Games Beer',
 882                     'uploader_id': 'beergamesbeer',
 883                     'uploader_url': r're:https?://(?:www\.)?youtube\.com/user/beergamesbeer',
 884                     'license': 'Standard YouTube License',
 885                 },
 886             }, {
 887                 'info_dict': {
 888                     'id': '6h8e8xoXJzg',
 889                     'ext': 'mp4',
 890                     'title': 'teamPGP: Rocket League Noob Stream (kreestuh)',
 891                     'description': 'md5:dc7872fb300e143831327f1bae3af010',
 892                     'duration': 7337,
 893                     'upload_date': '20150721',
 894                     'uploader': 'Beer Games Beer',
 895                     'uploader_id': 'beergamesbeer',
 896                     'uploader_url': r're:https?://(?:www\.)?youtube\.com/user/beergamesbeer',
 897                     'license': 'Standard YouTube License',
 898                 },
 899             }, {
 900                 'info_dict': {
 901                     'id': 'PUOgX5z9xZw',
 902                     'ext': 'mp4',
 903                     'title': 'teamPGP: Rocket League Noob Stream (grizzle)',
 904                     'description': 'md5:dc7872fb300e143831327f1bae3af010',
 905                     'duration': 7337,
 906                     'upload_date': '20150721',
 907                     'uploader': 'Beer Games Beer',
 908                     'uploader_id': 'beergamesbeer',
 909                     'uploader_url': r're:https?://(?:www\.)?youtube\.com/user/beergamesbeer',
 910                     'license': 'Standard YouTube License',
 911                 },
 912             }, {
 913                 'info_dict': {
 914                     'id': 'teuwxikvS5k',
 915                     'ext': 'mp4',
 916                     'title': 'teamPGP: Rocket League Noob Stream (zim)',
 917                     'description': 'md5:dc7872fb300e143831327f1bae3af010',
 918                     'duration': 7334,
 919                     'upload_date': '20150721',
 920                     'uploader': 'Beer Games Beer',
 921                     'uploader_id': 'beergamesbeer',
 922                     'uploader_url': r're:https?://(?:www\.)?youtube\.com/user/beergamesbeer',
 923                     'license': 'Standard YouTube License',
 924                 },
 925             }],
 926             'params': {
 927                 'skip_download': True,
 928             },
 929             'skip': 'This video is not available.',
 930         },
 931         {
 932             # Multifeed video with comma in title (see https://github.com/ytdl-org/youtube-dl/issues/8536)
 933             'url': 'https://www.youtube.com/watch?v=gVfLd0zydlo',
 934             'info_dict': {
 935                 'id': 'gVfLd0zydlo',
 936                 'title': 'DevConf.cz 2016 Day 2 Workshops 1 14:00 - 15:30',
 937             },
 938             'playlist_count': 2,
 939             'skip': 'Not multifeed anymore',
 940         },
 941         {
 942             'url': 'https://vid.plus/FlRa-iH7PGw',
 943             'only_matching': True,
 944         },
 945         {
 946             'url': 'https://zwearz.com/watch/9lWxNJF-ufM/electra-woman-dyna-girl-official-trailer-grace-helbig.html',
 947             'only_matching': True,
 948         },
 949         {
 950             # Title with JS-like syntax "};" (see https://github.com/ytdl-org/youtube-dl/issues/7468)
 951             # Also tests cut-off URL expansion in video description (see
 952             # https://github.com/ytdl-org/youtube-dl/issues/1892,
 953             # https://github.com/ytdl-org/youtube-dl/issues/8164)
 954             'url': 'https://www.youtube.com/watch?v=lsguqyKfVQg',
 955             'info_dict': {
 956                 'id': 'lsguqyKfVQg',
 957                 'ext': 'mp4',
 958                 'title': '{dark walk}; Loki/AC/Dishonored; collab w/Elflover21',
 959                 'alt_title': 'Dark Walk - Position Music',
 960                 'description': 'md5:8085699c11dc3f597ce0410b0dcbb34a',
 961                 'duration': 133,
 962                 'upload_date': '20151119',
 963                 'uploader_id': 'IronSoulElf',
 964                 'uploader_url': r're:https?://(?:www\.)?youtube\.com/user/IronSoulElf',
 965                 'uploader': 'IronSoulElf',
 966                 'creator': 'Todd Haberman,  Daniel Law Heath and Aaron Kaplan',
 967                 'track': 'Dark Walk - Position Music',
 968                 'artist': 'Todd Haberman,  Daniel Law Heath and Aaron Kaplan',
 969                 'album': 'Position Music - Production Music Vol. 143 - Dark Walk',
 970             },
 971             'params': {
 972                 'skip_download': True,
 973             },
 974         },
 975         {
 976             # Tags with '};' (see https://github.com/ytdl-org/youtube-dl/issues/7468)
 977             'url': 'https://www.youtube.com/watch?v=Ms7iBXnlUO8',
 978             'only_matching': True,
 979         },
 980         {
 981             # Video with yt:stretch=17:0
 982             'url': 'https://www.youtube.com/watch?v=Q39EVAstoRM',
 983             'info_dict': {
 984                 'id': 'Q39EVAstoRM',
 985                 'ext': 'mp4',
 986                 'title': 'Clash Of Clans#14 Dicas De Ataque Para CV 4',
 987                 'description': 'md5:ee18a25c350637c8faff806845bddee9',
 988                 'upload_date': '20151107',
 989                 'uploader_id': 'UCCr7TALkRbo3EtFzETQF1LA',
 990                 'uploader': 'CH GAMER DROID',
 991             },
 992             'params': {
 993                 'skip_download': True,
 994             },
 995             'skip': 'This video does not exist.',
 996         },
 997         {
 998             # Video licensed under Creative Commons
 999             'url': 'https://www.youtube.com/watch?v=M4gD1WSo5mA',
1000             'info_dict': {
1001                 'id': 'M4gD1WSo5mA',
1002                 'ext': 'mp4',
1003                 'title': 'md5:e41008789470fc2533a3252216f1c1d1',
1004                 'description': 'md5:a677553cf0840649b731a3024aeff4cc',
1005                 'duration': 721,
1006                 'upload_date': '20150127',
1007                 'uploader_id': 'BerkmanCenter',
1008                 'uploader_url': r're:https?://(?:www\.)?youtube\.com/user/BerkmanCenter',
1009                 'uploader': 'The Berkman Klein Center for Internet & Society',
1010                 'license': 'Creative Commons Attribution license (reuse allowed)',
1011             },
1012             'params': {
1013                 'skip_download': True,
1014             },
1015         },
1016         {
1017             # Channel-like uploader_url
1018             'url': 'https://www.youtube.com/watch?v=eQcmzGIKrzg',
1019             'info_dict': {
1020                 'id': 'eQcmzGIKrzg',
1021                 'ext': 'mp4',
1022                 'title': 'Democratic Socialism and Foreign Policy | Bernie Sanders',
1023                 'description': 'md5:dda0d780d5a6e120758d1711d062a867',
1024                 'duration': 4060,
1025                 'upload_date': '20151119',
1026                 'uploader': 'Bernie Sanders',
1027                 'uploader_id': 'UCH1dpzjCEiGAt8CXkryhkZg',
1028                 'uploader_url': r're:https?://(?:www\.)?youtube\.com/channel/UCH1dpzjCEiGAt8CXkryhkZg',
1029                 'license': 'Creative Commons Attribution license (reuse allowed)',
1030             },
1031             'params': {
1032                 'skip_download': True,
1033             },
1034         },
1035         {
1036             'url': 'https://www.youtube.com/watch?feature=player_embedded&amp;amp;v=V36LpHqtcDY',
1037             'only_matching': True,
1038         },
1039         {
1040             # YouTube Red paid video (https://github.com/ytdl-org/youtube-dl/issues/10059)
1041             'url': 'https://www.youtube.com/watch?v=i1Ko8UG-Tdo',
1042             'only_matching': True,
1043         },
1044         {
1045             # Rental video preview
1046             'url': 'https://www.youtube.com/watch?v=yYr8q0y5Jfg',
1047             'info_dict': {
1048                 'id': 'uGpuVWrhIzE',
1049                 'ext': 'mp4',
1050                 'title': 'Piku - Trailer',
1051                 'description': 'md5:c36bd60c3fd6f1954086c083c72092eb',
1052                 'upload_date': '20150811',
1053                 'uploader': 'FlixMatrix',
1054                 'uploader_id': 'FlixMatrixKaravan',
1055                 'uploader_url': r're:https?://(?:www\.)?youtube\.com/user/FlixMatrixKaravan',
1056                 'license': 'Standard YouTube License',
1057             },
1058             'params': {
1059                 'skip_download': True,
1060             },
1061             'skip': 'This video is not available.',
1062         },
1063         {
1064             # YouTube Red video with episode data
1065             'url': 'https://www.youtube.com/watch?v=iqKdEhx-dD4',
1066             'info_dict': {
1067                 'id': 'iqKdEhx-dD4',
1068                 'ext': 'mp4',
1069                 'title': 'Isolation - Mind Field (Ep 1)',
1070                 'description': 'md5:46a29be4ceffa65b92d277b93f463c0f',
1071                 'duration': 2085,
1072                 'upload_date': '20170118',
1073                 'uploader': 'Vsauce',
1074                 'uploader_id': 'Vsauce',
1075                 'uploader_url': r're:https?://(?:www\.)?youtube\.com/user/Vsauce',
1076                 'series': 'Mind Field',
1077                 'season_number': 1,
1078                 'episode_number': 1,
1079             },
1080             'params': {
1081                 'skip_download': True,
1082             },
1083             'expected_warnings': [
1084                 'Skipping DASH manifest',
1085             ],
1086         },
1087         {
1088             # The following content has been identified by the YouTube community
1089             # as inappropriate or offensive to some audiences.
1090             'url': 'https://www.youtube.com/watch?v=6SJNVb0GnPI',
1091             'info_dict': {
1092                 'id': '6SJNVb0GnPI',
1093                 'ext': 'mp4',
1094                 'title': 'Race Differences in Intelligence',
1095                 'description': 'md5:5d161533167390427a1f8ee89a1fc6f1',
1096                 'duration': 965,
1097                 'upload_date': '20140124',
1098                 'uploader': 'New Century Foundation',
1099                 'uploader_id': 'UCEJYpZGqgUob0zVVEaLhvVg',
1100                 'uploader_url': r're:https?://(?:www\.)?youtube\.com/channel/UCEJYpZGqgUob0zVVEaLhvVg',
1101             },
1102             'params': {
1103                 'skip_download': True,
1104             },
1105         },
1106         {
1107             # itag 212
1108             'url': '1t24XAntNCY',
1109             'only_matching': True,
1110         },
1111         {
1112             # geo restricted to JP
1113             'url': 'sJL6WA-aGkQ',
1114             'only_matching': True,
1115         },
1116         {
1117             'url': 'https://www.youtube.com/watch?v=MuAGGZNfUkU&list=RDMM',
1118             'only_matching': True,
1119         },
1120         {
1121             'url': 'https://invidio.us/watch?v=BaW_jenozKc',
1122             'only_matching': True,
1123         },
1124         {
1125             # DRM protected
1126             'url': 'https://www.youtube.com/watch?v=s7_qI6_mIXc',
1127             'only_matching': True,
1128         },
1129         {
1130             # Video with unsupported adaptive stream type formats
1131             'url': 'https://www.youtube.com/watch?v=Z4Vy8R84T1U',
1132             'info_dict': {
1133                 'id': 'Z4Vy8R84T1U',
1134                 'ext': 'mp4',
1135                 'title': 'saman SMAN 53 Jakarta(Sancety) opening COFFEE4th at SMAN 53 Jakarta',
1136                 'description': 'md5:d41d8cd98f00b204e9800998ecf8427e',
1137                 'duration': 433,
1138                 'upload_date': '20130923',
1139                 'uploader': 'Amelia Putri Harwita',
1140                 'uploader_id': 'UCpOxM49HJxmC1qCalXyB3_Q',
1141                 'uploader_url': r're:https?://(?:www\.)?youtube\.com/channel/UCpOxM49HJxmC1qCalXyB3_Q',
1142                 'formats': 'maxcount:10',
1143             },
1144             'params': {
1145                 'skip_download': True,
1146                 'youtube_include_dash_manifest': False,
1147             },
1148             'skip': 'not actual anymore',
1149         },
1150         {
1151             # Youtube Music Auto-generated description
1152             'url': 'https://music.youtube.com/watch?v=MgNrAu2pzNs',
1153             'info_dict': {
1154                 'id': 'MgNrAu2pzNs',
1155                 'ext': 'mp4',
1156                 'title': 'Voyeur Girl',
1157                 'description': 'md5:7ae382a65843d6df2685993e90a8628f',
1158                 'upload_date': '20190312',
1159                 'uploader': 'Stephen - Topic',
1160                 'uploader_id': 'UC-pWHpBjdGG69N9mM2auIAA',
1161                 'artist': 'Stephen',
1162                 'track': 'Voyeur Girl',
1163                 'album': 'it\'s too much love to know my dear',
1164                 'release_date': '20190313',
1165                 'release_year': 2019,
1166             },
1167             'params': {
1168                 'skip_download': True,
1169             },
1170         },
1171         {
1172             # Youtube Music Auto-generated description
1173             # Retrieve 'artist' field from 'Artist:' in video description
1174             # when it is present on youtube music video
1175             'url': 'https://www.youtube.com/watch?v=k0jLE7tTwjY',
1176             'info_dict': {
1177                 'id': 'k0jLE7tTwjY',
1178                 'ext': 'mp4',
1179                 'title': 'Latch Feat. Sam Smith',
1180                 'description': 'md5:3cb1e8101a7c85fcba9b4fb41b951335',
1181                 'upload_date': '20150110',
1182                 'uploader': 'Various Artists - Topic',
1183                 'uploader_id': 'UCNkEcmYdjrH4RqtNgh7BZ9w',
1184                 'artist': 'Disclosure',
1185                 'track': 'Latch Feat. Sam Smith',
1186                 'album': 'Latch Featuring Sam Smith',
1187                 'release_date': '20121008',
1188                 'release_year': 2012,
1189             },
1190             'params': {
1191                 'skip_download': True,
1192             },
1193         },
1194         {
1195             # Youtube Music Auto-generated description
1196             # handle multiple artists on youtube music video
1197             'url': 'https://www.youtube.com/watch?v=74qn0eJSjpA',
1198             'info_dict': {
1199                 'id': '74qn0eJSjpA',
1200                 'ext': 'mp4',
1201                 'title': 'Eastside',
1202                 'description': 'md5:290516bb73dcbfab0dcc4efe6c3de5f2',
1203                 'upload_date': '20180710',
1204                 'uploader': 'Benny Blanco - Topic',
1205                 'uploader_id': 'UCzqz_ksRu_WkIzmivMdIS7A',
1206                 'artist': 'benny blanco, Halsey, Khalid',
1207                 'track': 'Eastside',
1208                 'album': 'Eastside',
1209                 'release_date': '20180713',
1210                 'release_year': 2018,
1211             },
1212             'params': {
1213                 'skip_download': True,
1214             },
1215         },
1216         {
1217             # Youtube Music Auto-generated description
1218             # handle youtube music video with release_year and no release_date
1219             'url': 'https://www.youtube.com/watch?v=-hcAI0g-f5M',
1220             'info_dict': {
1221                 'id': '-hcAI0g-f5M',
1222                 'ext': 'mp4',
1223                 'title': 'Put It On Me',
1224                 'description': 'md5:f6422397c07c4c907c6638e1fee380a5',
1225                 'upload_date': '20180426',
1226                 'uploader': 'Matt Maeson - Topic',
1227                 'uploader_id': 'UCnEkIGqtGcQMLk73Kp-Q5LQ',
1228                 'artist': 'Matt Maeson',
1229                 'track': 'Put It On Me',
1230                 'album': 'The Hearse',
1231                 'release_date': None,
1232                 'release_year': 2018,
1233             },
1234             'params': {
1235                 'skip_download': True,
1236             },
1237         },
1238         {
1239             'url': 'https://www.youtubekids.com/watch?v=3b8nCWDgZ6Q',
1240             'only_matching': True,
1241         },
1242         {
1243             # invalid -> valid video id redirection
1244             'url': 'DJztXj2GPfl',
1245             'info_dict': {
1246                 'id': 'DJztXj2GPfk',
1247                 'ext': 'mp4',
1248                 'title': 'Panjabi MC - Mundian To Bach Ke (The Dictator Soundtrack)',
1249                 'description': 'md5:bf577a41da97918e94fa9798d9228825',
1250                 'upload_date': '20090125',
1251                 'uploader': 'Prochorowka',
1252                 'uploader_id': 'Prochorowka',
1253                 'uploader_url': r're:https?://(?:www\.)?youtube\.com/user/Prochorowka',
1254                 'artist': 'Panjabi MC',
1255                 'track': 'Beware of the Boys (Mundian to Bach Ke) - Motivo Hi-Lectro Remix',
1256                 'album': 'Beware of the Boys (Mundian To Bach Ke)',
1257             },
1258             'params': {
1259                 'skip_download': True,
1260             },
1261         }
1262     ]
1263
1264     def __init__(self, *args, **kwargs):
1265         super(YoutubeIE, self).__init__(*args, **kwargs)
1266         self._player_cache = {}
1267
1268     def report_video_info_webpage_download(self, video_id):
1269         """Report attempt to download video info webpage."""
1270         self.to_screen('%s: Downloading video info webpage' % video_id)
1271
1272     def report_information_extraction(self, video_id):
1273         """Report attempt to extract video information."""
1274         self.to_screen('%s: Extracting video information' % video_id)
1275
1276     def report_unavailable_format(self, video_id, format):
1277         """Report extracted video URL."""
1278         self.to_screen('%s: Format %s not available' % (video_id, format))
1279
1280     def report_rtmp_download(self):
1281         """Indicate the download will use the RTMP protocol."""
1282         self.to_screen('RTMP download detected')
1283
1284     def _signature_cache_id(self, example_sig):
1285         """ Return a string representation of a signature """
1286         return '.'.join(compat_str(len(part)) for part in example_sig.split('.'))
1287
1288     @classmethod
1289     def _extract_player_info(cls, player_url):
1290         for player_re in cls._PLAYER_INFO_RE:
1291             id_m = re.search(player_re, player_url)
1292             if id_m:
1293                 break
1294         else:
1295             raise ExtractorError('Cannot identify player %r' % player_url)
1296         return id_m.group('ext'), id_m.group('id')
1297
1298     def _extract_signature_function(self, video_id, player_url, example_sig):
1299         player_type, player_id = self._extract_player_info(player_url)
1300
1301         # Read from filesystem cache
1302         func_id = '%s_%s_%s' % (
1303             player_type, player_id, self._signature_cache_id(example_sig))
1304         assert os.path.basename(func_id) == func_id
1305
1306         cache_spec = self._downloader.cache.load('youtube-sigfuncs', func_id)
1307         if cache_spec is not None:
1308             return lambda s: ''.join(s[i] for i in cache_spec)
1309
1310         download_note = (
1311             'Downloading player %s' % player_url
1312             if self._downloader.params.get('verbose') else
1313             'Downloading %s player %s' % (player_type, player_id)
1314         )
1315         if player_type == 'js':
1316             code = self._download_webpage(
1317                 player_url, video_id,
1318                 note=download_note,
1319                 errnote='Download of %s failed' % player_url)
1320             res = self._parse_sig_js(code)
1321         elif player_type == 'swf':
1322             urlh = self._request_webpage(
1323                 player_url, video_id,
1324                 note=download_note,
1325                 errnote='Download of %s failed' % player_url)
1326             code = urlh.read()
1327             res = self._parse_sig_swf(code)
1328         else:
1329             assert False, 'Invalid player type %r' % player_type
1330
1331         test_string = ''.join(map(compat_chr, range(len(example_sig))))
1332         cache_res = res(test_string)
1333         cache_spec = [ord(c) for c in cache_res]
1334
1335         self._downloader.cache.store('youtube-sigfuncs', func_id, cache_spec)
1336         return res
1337
1338     def _print_sig_code(self, func, example_sig):
1339         def gen_sig_code(idxs):
1340             def _genslice(start, end, step):
1341                 starts = '' if start == 0 else str(start)
1342                 ends = (':%d' % (end + step)) if end + step >= 0 else ':'
1343                 steps = '' if step == 1 else (':%d' % step)
1344                 return 's[%s%s%s]' % (starts, ends, steps)
1345
1346             step = None
1347             # Quelch pyflakes warnings - start will be set when step is set
1348             start = '(Never used)'
1349             for i, prev in zip(idxs[1:], idxs[:-1]):
1350                 if step is not None:
1351                     if i - prev == step:
1352                         continue
1353                     yield _genslice(start, prev, step)
1354                     step = None
1355                     continue
1356                 if i - prev in [-1, 1]:
1357                     step = i - prev
1358                     start = prev
1359                     continue
1360                 else:
1361                     yield 's[%d]' % prev
1362             if step is None:
1363                 yield 's[%d]' % i
1364             else:
1365                 yield _genslice(start, i, step)
1366
1367         test_string = ''.join(map(compat_chr, range(len(example_sig))))
1368         cache_res = func(test_string)
1369         cache_spec = [ord(c) for c in cache_res]
1370         expr_code = ' + '.join(gen_sig_code(cache_spec))
1371         signature_id_tuple = '(%s)' % (
1372             ', '.join(compat_str(len(p)) for p in example_sig.split('.')))
1373         code = ('if tuple(len(p) for p in s.split(\'.\')) == %s:\n'
1374                 '    return %s\n') % (signature_id_tuple, expr_code)
1375         self.to_screen('Extracted signature function:\n' + code)
1376
1377     def _parse_sig_js(self, jscode):
1378         funcname = self._search_regex(
1379             (r'\b[cs]\s*&&\s*[adf]\.set\([^,]+\s*,\s*encodeURIComponent\s*\(\s*(?P<sig>[a-zA-Z0-9$]+)\(',
1380              r'\b[a-zA-Z0-9]+\s*&&\s*[a-zA-Z0-9]+\.set\([^,]+\s*,\s*encodeURIComponent\s*\(\s*(?P<sig>[a-zA-Z0-9$]+)\(',
1381              r'\b(?P<sig>[a-zA-Z0-9$]{2})\s*=\s*function\(\s*a\s*\)\s*{\s*a\s*=\s*a\.split\(\s*""\s*\)',
1382              r'(?P<sig>[a-zA-Z0-9$]+)\s*=\s*function\(\s*a\s*\)\s*{\s*a\s*=\s*a\.split\(\s*""\s*\)',
1383              # Obsolete patterns
1384              r'(["\'])signature\1\s*,\s*(?P<sig>[a-zA-Z0-9$]+)\(',
1385              r'\.sig\|\|(?P<sig>[a-zA-Z0-9$]+)\(',
1386              r'yt\.akamaized\.net/\)\s*\|\|\s*.*?\s*[cs]\s*&&\s*[adf]\.set\([^,]+\s*,\s*(?:encodeURIComponent\s*\()?\s*(?P<sig>[a-zA-Z0-9$]+)\(',
1387              r'\b[cs]\s*&&\s*[adf]\.set\([^,]+\s*,\s*(?P<sig>[a-zA-Z0-9$]+)\(',
1388              r'\b[a-zA-Z0-9]+\s*&&\s*[a-zA-Z0-9]+\.set\([^,]+\s*,\s*(?P<sig>[a-zA-Z0-9$]+)\(',
1389              r'\bc\s*&&\s*a\.set\([^,]+\s*,\s*\([^)]*\)\s*\(\s*(?P<sig>[a-zA-Z0-9$]+)\(',
1390              r'\bc\s*&&\s*[a-zA-Z0-9]+\.set\([^,]+\s*,\s*\([^)]*\)\s*\(\s*(?P<sig>[a-zA-Z0-9$]+)\(',
1391              r'\bc\s*&&\s*[a-zA-Z0-9]+\.set\([^,]+\s*,\s*\([^)]*\)\s*\(\s*(?P<sig>[a-zA-Z0-9$]+)\('),
1392             jscode, 'Initial JS player signature function name', group='sig')
1393
1394         jsi = JSInterpreter(jscode)
1395         initial_function = jsi.extract_function(funcname)
1396         return lambda s: initial_function([s])
1397
1398     def _parse_sig_swf(self, file_contents):
1399         swfi = SWFInterpreter(file_contents)
1400         TARGET_CLASSNAME = 'SignatureDecipher'
1401         searched_class = swfi.extract_class(TARGET_CLASSNAME)
1402         initial_function = swfi.extract_function(searched_class, 'decipher')
1403         return lambda s: initial_function([s])
1404
1405     def _decrypt_signature(self, s, video_id, player_url, age_gate=False):
1406         """Turn the encrypted s field into a working signature"""
1407
1408         if player_url is None:
1409             raise ExtractorError('Cannot decrypt signature without player_url')
1410
1411         if player_url.startswith('//'):
1412             player_url = 'https:' + player_url
1413         elif not re.match(r'https?://', player_url):
1414             player_url = compat_urlparse.urljoin(
1415                 'https://www.youtube.com', player_url)
1416         try:
1417             player_id = (player_url, self._signature_cache_id(s))
1418             if player_id not in self._player_cache:
1419                 func = self._extract_signature_function(
1420                     video_id, player_url, s
1421                 )
1422                 self._player_cache[player_id] = func
1423             func = self._player_cache[player_id]
1424             if self._downloader.params.get('youtube_print_sig_code'):
1425                 self._print_sig_code(func, s)
1426             return func(s)
1427         except Exception as e:
1428             tb = traceback.format_exc()
1429             raise ExtractorError(
1430                 'Signature extraction failed: ' + tb, cause=e)
1431
1432     def _get_subtitles(self, video_id, webpage):
1433         try:
1434             subs_doc = self._download_xml(
1435                 'https://video.google.com/timedtext?hl=en&type=list&v=%s' % video_id,
1436                 video_id, note=False)
1437         except ExtractorError as err:
1438             self._downloader.report_warning('unable to download video subtitles: %s' % error_to_compat_str(err))
1439             return {}
1440
1441         sub_lang_list = {}
1442         for track in subs_doc.findall('track'):
1443             lang = track.attrib['lang_code']
1444             if lang in sub_lang_list:
1445                 continue
1446             sub_formats = []
1447             for ext in self._SUBTITLE_FORMATS:
1448                 params = compat_urllib_parse_urlencode({
1449                     'lang': lang,
1450                     'v': video_id,
1451                     'fmt': ext,
1452                     'name': track.attrib['name'].encode('utf-8'),
1453                 })
1454                 sub_formats.append({
1455                     'url': 'https://www.youtube.com/api/timedtext?' + params,
1456                     'ext': ext,
1457                 })
1458             sub_lang_list[lang] = sub_formats
1459         if not sub_lang_list:
1460             self._downloader.report_warning('video doesn\'t have subtitles')
1461             return {}
1462         return sub_lang_list
1463
1464     def _get_ytplayer_config(self, video_id, webpage):
1465         patterns = (
1466             # User data may contain arbitrary character sequences that may affect
1467             # JSON extraction with regex, e.g. when '};' is contained the second
1468             # regex won't capture the whole JSON. Yet working around by trying more
1469             # concrete regex first keeping in mind proper quoted string handling
1470             # to be implemented in future that will replace this workaround (see
1471             # https://github.com/ytdl-org/youtube-dl/issues/7468,
1472             # https://github.com/ytdl-org/youtube-dl/pull/7599)
1473             r';ytplayer\.config\s*=\s*({.+?});ytplayer',
1474             r';ytplayer\.config\s*=\s*({.+?});',
1475         )
1476         config = self._search_regex(
1477             patterns, webpage, 'ytplayer.config', default=None)
1478         if config:
1479             return self._parse_json(
1480                 uppercase_escape(config), video_id, fatal=False)
1481
1482     def _get_automatic_captions(self, video_id, webpage):
1483         """We need the webpage for getting the captions url, pass it as an
1484            argument to speed up the process."""
1485         self.to_screen('%s: Looking for automatic captions' % video_id)
1486         player_config = self._get_ytplayer_config(video_id, webpage)
1487         err_msg = 'Couldn\'t find automatic captions for %s' % video_id
1488         if not player_config:
1489             self._downloader.report_warning(err_msg)
1490             return {}
1491         try:
1492             args = player_config['args']
1493             caption_url = args.get('ttsurl')
1494             if caption_url:
1495                 timestamp = args['timestamp']
1496                 # We get the available subtitles
1497                 list_params = compat_urllib_parse_urlencode({
1498                     'type': 'list',
1499                     'tlangs': 1,
1500                     'asrs': 1,
1501                 })
1502                 list_url = caption_url + '&' + list_params
1503                 caption_list = self._download_xml(list_url, video_id)
1504                 original_lang_node = caption_list.find('track')
1505                 if original_lang_node is None:
1506                     self._downloader.report_warning('Video doesn\'t have automatic captions')
1507                     return {}
1508                 original_lang = original_lang_node.attrib['lang_code']
1509                 caption_kind = original_lang_node.attrib.get('kind', '')
1510
1511                 sub_lang_list = {}
1512                 for lang_node in caption_list.findall('target'):
1513                     sub_lang = lang_node.attrib['lang_code']
1514                     sub_formats = []
1515                     for ext in self._SUBTITLE_FORMATS:
1516                         params = compat_urllib_parse_urlencode({
1517                             'lang': original_lang,
1518                             'tlang': sub_lang,
1519                             'fmt': ext,
1520                             'ts': timestamp,
1521                             'kind': caption_kind,
1522                         })
1523                         sub_formats.append({
1524                             'url': caption_url + '&' + params,
1525                             'ext': ext,
1526                         })
1527                     sub_lang_list[sub_lang] = sub_formats
1528                 return sub_lang_list
1529
1530             def make_captions(sub_url, sub_langs):
1531                 parsed_sub_url = compat_urllib_parse_urlparse(sub_url)
1532                 caption_qs = compat_parse_qs(parsed_sub_url.query)
1533                 captions = {}
1534                 for sub_lang in sub_langs:
1535                     sub_formats = []
1536                     for ext in self._SUBTITLE_FORMATS:
1537                         caption_qs.update({
1538                             'tlang': [sub_lang],
1539                             'fmt': [ext],
1540                         })
1541                         sub_url = compat_urlparse.urlunparse(parsed_sub_url._replace(
1542                             query=compat_urllib_parse_urlencode(caption_qs, True)))
1543                         sub_formats.append({
1544                             'url': sub_url,
1545                             'ext': ext,
1546                         })
1547                     captions[sub_lang] = sub_formats
1548                 return captions
1549
1550             # New captions format as of 22.06.2017
1551             player_response = args.get('player_response')
1552             if player_response and isinstance(player_response, compat_str):
1553                 player_response = self._parse_json(
1554                     player_response, video_id, fatal=False)
1555                 if player_response:
1556                     renderer = player_response['captions']['playerCaptionsTracklistRenderer']
1557                     base_url = renderer['captionTracks'][0]['baseUrl']
1558                     sub_lang_list = []
1559                     for lang in renderer['translationLanguages']:
1560                         lang_code = lang.get('languageCode')
1561                         if lang_code:
1562                             sub_lang_list.append(lang_code)
1563                     return make_captions(base_url, sub_lang_list)
1564
1565             # Some videos don't provide ttsurl but rather caption_tracks and
1566             # caption_translation_languages (e.g. 20LmZk1hakA)
1567             # Does not used anymore as of 22.06.2017
1568             caption_tracks = args['caption_tracks']
1569             caption_translation_languages = args['caption_translation_languages']
1570             caption_url = compat_parse_qs(caption_tracks.split(',')[0])['u'][0]
1571             sub_lang_list = []
1572             for lang in caption_translation_languages.split(','):
1573                 lang_qs = compat_parse_qs(compat_urllib_parse_unquote_plus(lang))
1574                 sub_lang = lang_qs.get('lc', [None])[0]
1575                 if sub_lang:
1576                     sub_lang_list.append(sub_lang)
1577             return make_captions(caption_url, sub_lang_list)
1578         # An extractor error can be raise by the download process if there are
1579         # no automatic captions but there are subtitles
1580         except (KeyError, IndexError, ExtractorError):
1581             self._downloader.report_warning(err_msg)
1582             return {}
1583
1584     def _mark_watched(self, video_id, video_info, player_response):
1585         playback_url = url_or_none(try_get(
1586             player_response,
1587             lambda x: x['playbackTracking']['videostatsPlaybackUrl']['baseUrl']) or try_get(
1588             video_info, lambda x: x['videostats_playback_base_url'][0]))
1589         if not playback_url:
1590             return
1591         parsed_playback_url = compat_urlparse.urlparse(playback_url)
1592         qs = compat_urlparse.parse_qs(parsed_playback_url.query)
1593
1594         # cpn generation algorithm is reverse engineered from base.js.
1595         # In fact it works even with dummy cpn.
1596         CPN_ALPHABET = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789-_'
1597         cpn = ''.join((CPN_ALPHABET[random.randint(0, 256) & 63] for _ in range(0, 16)))
1598
1599         qs.update({
1600             'ver': ['2'],
1601             'cpn': [cpn],
1602         })
1603         playback_url = compat_urlparse.urlunparse(
1604             parsed_playback_url._replace(query=compat_urllib_parse_urlencode(qs, True)))
1605
1606         self._download_webpage(
1607             playback_url, video_id, 'Marking watched',
1608             'Unable to mark watched', fatal=False)
1609
1610     @staticmethod
1611     def _extract_urls(webpage):
1612         # Embedded YouTube player
1613         entries = [
1614             unescapeHTML(mobj.group('url'))
1615             for mobj in re.finditer(r'''(?x)
1616             (?:
1617                 <iframe[^>]+?src=|
1618                 data-video-url=|
1619                 <embed[^>]+?src=|
1620                 embedSWF\(?:\s*|
1621                 <object[^>]+data=|
1622                 new\s+SWFObject\(
1623             )
1624             (["\'])
1625                 (?P<url>(?:https?:)?//(?:www\.)?youtube(?:-nocookie)?\.com/
1626                 (?:embed|v|p)/[0-9A-Za-z_-]{11}.*?)
1627             \1''', webpage)]
1628
1629         # lazyYT YouTube embed
1630         entries.extend(list(map(
1631             unescapeHTML,
1632             re.findall(r'class="lazyYT" data-youtube-id="([^"]+)"', webpage))))
1633
1634         # Wordpress "YouTube Video Importer" plugin
1635         matches = re.findall(r'''(?x)<div[^>]+
1636             class=(?P<q1>[\'"])[^\'"]*\byvii_single_video_player\b[^\'"]*(?P=q1)[^>]+
1637             data-video_id=(?P<q2>[\'"])([^\'"]+)(?P=q2)''', webpage)
1638         entries.extend(m[-1] for m in matches)
1639
1640         return entries
1641
1642     @staticmethod
1643     def _extract_url(webpage):
1644         urls = YoutubeIE._extract_urls(webpage)
1645         return urls[0] if urls else None
1646
1647     @classmethod
1648     def extract_id(cls, url):
1649         mobj = re.match(cls._VALID_URL, url, re.VERBOSE)
1650         if mobj is None:
1651             raise ExtractorError('Invalid URL: %s' % url)
1652         video_id = mobj.group(2)
1653         return video_id
1654
1655     @staticmethod
1656     def _extract_chapters(description, duration):
1657         if not description:
1658             return None
1659         chapter_lines = re.findall(
1660             r'(?:^|<br\s*/>)([^<]*<a[^>]+onclick=["\']yt\.www\.watch\.player\.seekTo[^>]+>(\d{1,2}:\d{1,2}(?::\d{1,2})?)</a>[^>]*)(?=$|<br\s*/>)',
1661             description)
1662         if not chapter_lines:
1663             return None
1664         chapters = []
1665         for next_num, (chapter_line, time_point) in enumerate(
1666                 chapter_lines, start=1):
1667             start_time = parse_duration(time_point)
1668             if start_time is None:
1669                 continue
1670             if start_time > duration:
1671                 break
1672             end_time = (duration if next_num == len(chapter_lines)
1673                         else parse_duration(chapter_lines[next_num][1]))
1674             if end_time is None:
1675                 continue
1676             if end_time > duration:
1677                 end_time = duration
1678             if start_time > end_time:
1679                 break
1680             chapter_title = re.sub(
1681                 r'<a[^>]+>[^<]+</a>', '', chapter_line).strip(' \t-')
1682             chapter_title = re.sub(r'\s+', ' ', chapter_title)
1683             chapters.append({
1684                 'start_time': start_time,
1685                 'end_time': end_time,
1686                 'title': chapter_title,
1687             })
1688         return chapters
1689
1690     def _real_extract(self, url):
1691         url, smuggled_data = unsmuggle_url(url, {})
1692
1693         proto = (
1694             'http' if self._downloader.params.get('prefer_insecure', False)
1695             else 'https')
1696
1697         start_time = None
1698         end_time = None
1699         parsed_url = compat_urllib_parse_urlparse(url)
1700         for component in [parsed_url.fragment, parsed_url.query]:
1701             query = compat_parse_qs(component)
1702             if start_time is None and 't' in query:
1703                 start_time = parse_duration(query['t'][0])
1704             if start_time is None and 'start' in query:
1705                 start_time = parse_duration(query['start'][0])
1706             if end_time is None and 'end' in query:
1707                 end_time = parse_duration(query['end'][0])
1708
1709         # Extract original video URL from URL with redirection, like age verification, using next_url parameter
1710         mobj = re.search(self._NEXT_URL_RE, url)
1711         if mobj:
1712             url = proto + '://www.youtube.com/' + compat_urllib_parse_unquote(mobj.group(1)).lstrip('/')
1713         video_id = self.extract_id(url)
1714
1715         # Get video webpage
1716         url = proto + '://www.youtube.com/watch?v=%s&gl=US&hl=en&has_verified=1&bpctr=9999999999' % video_id
1717         video_webpage, urlh = self._download_webpage_handle(url, video_id)
1718
1719         qs = compat_parse_qs(compat_urllib_parse_urlparse(urlh.geturl()).query)
1720         video_id = qs.get('v', [None])[0] or video_id
1721
1722         # Attempt to extract SWF player URL
1723         mobj = re.search(r'swfConfig.*?"(https?:\\/\\/.*?watch.*?-.*?\.swf)"', video_webpage)
1724         if mobj is not None:
1725             player_url = re.sub(r'\\(.)', r'\1', mobj.group(1))
1726         else:
1727             player_url = None
1728
1729         dash_mpds = []
1730
1731         def add_dash_mpd(video_info):
1732             dash_mpd = video_info.get('dashmpd')
1733             if dash_mpd and dash_mpd[0] not in dash_mpds:
1734                 dash_mpds.append(dash_mpd[0])
1735
1736         def add_dash_mpd_pr(pl_response):
1737             dash_mpd = url_or_none(try_get(
1738                 pl_response, lambda x: x['streamingData']['dashManifestUrl'],
1739                 compat_str))
1740             if dash_mpd and dash_mpd not in dash_mpds:
1741                 dash_mpds.append(dash_mpd)
1742
1743         is_live = None
1744         view_count = None
1745
1746         def extract_view_count(v_info):
1747             return int_or_none(try_get(v_info, lambda x: x['view_count'][0]))
1748
1749         def extract_player_response(player_response, video_id):
1750             pl_response = str_or_none(player_response)
1751             if not pl_response:
1752                 return
1753             pl_response = self._parse_json(pl_response, video_id, fatal=False)
1754             if isinstance(pl_response, dict):
1755                 add_dash_mpd_pr(pl_response)
1756                 return pl_response
1757
1758         player_response = {}
1759
1760         # Get video info
1761         video_info = {}
1762         embed_webpage = None
1763         if re.search(r'player-age-gate-content">', video_webpage) is not None:
1764             age_gate = True
1765             # We simulate the access to the video from www.youtube.com/v/{video_id}
1766             # this can be viewed without login into Youtube
1767             url = proto + '://www.youtube.com/embed/%s' % video_id
1768             embed_webpage = self._download_webpage(url, video_id, 'Downloading embed webpage')
1769             data = compat_urllib_parse_urlencode({
1770                 'video_id': video_id,
1771                 'eurl': 'https://youtube.googleapis.com/v/' + video_id,
1772                 'sts': self._search_regex(
1773                     r'"sts"\s*:\s*(\d+)', embed_webpage, 'sts', default=''),
1774             })
1775             video_info_url = proto + '://www.youtube.com/get_video_info?' + data
1776             try:
1777                 video_info_webpage = self._download_webpage(
1778                     video_info_url, video_id,
1779                     note='Refetching age-gated info webpage',
1780                     errnote='unable to download video info webpage')
1781             except ExtractorError:
1782                 video_info_webpage = None
1783             if video_info_webpage:
1784                 video_info = compat_parse_qs(video_info_webpage)
1785                 pl_response = video_info.get('player_response', [None])[0]
1786                 player_response = extract_player_response(pl_response, video_id)
1787                 add_dash_mpd(video_info)
1788                 view_count = extract_view_count(video_info)
1789         else:
1790             age_gate = False
1791             # Try looking directly into the video webpage
1792             ytplayer_config = self._get_ytplayer_config(video_id, video_webpage)
1793             if ytplayer_config:
1794                 args = ytplayer_config['args']
1795                 if args.get('url_encoded_fmt_stream_map') or args.get('hlsvp'):
1796                     # Convert to the same format returned by compat_parse_qs
1797                     video_info = dict((k, [v]) for k, v in args.items())
1798                     add_dash_mpd(video_info)
1799                 # Rental video is not rented but preview is available (e.g.
1800                 # https://www.youtube.com/watch?v=yYr8q0y5Jfg,
1801                 # https://github.com/ytdl-org/youtube-dl/issues/10532)
1802                 if not video_info and args.get('ypc_vid'):
1803                     return self.url_result(
1804                         args['ypc_vid'], YoutubeIE.ie_key(), video_id=args['ypc_vid'])
1805                 if args.get('livestream') == '1' or args.get('live_playback') == 1:
1806                     is_live = True
1807                 if not player_response:
1808                     player_response = extract_player_response(args.get('player_response'), video_id)
1809             if not video_info or self._downloader.params.get('youtube_include_dash_manifest', True):
1810                 add_dash_mpd_pr(player_response)
1811
1812         def extract_unavailable_message():
1813             messages = []
1814             for tag, kind in (('h1', 'message'), ('div', 'submessage')):
1815                 msg = self._html_search_regex(
1816                     r'(?s)<{tag}[^>]+id=["\']unavailable-{kind}["\'][^>]*>(.+?)</{tag}>'.format(tag=tag, kind=kind),
1817                     video_webpage, 'unavailable %s' % kind, default=None)
1818                 if msg:
1819                     messages.append(msg)
1820             if messages:
1821                 return '\n'.join(messages)
1822
1823         if not video_info and not player_response:
1824             unavailable_message = extract_unavailable_message()
1825             if not unavailable_message:
1826                 unavailable_message = 'Unable to extract video data'
1827             raise ExtractorError(
1828                 'YouTube said: %s' % unavailable_message, expected=True, video_id=video_id)
1829
1830         if not isinstance(video_info, dict):
1831             video_info = {}
1832
1833         video_details = try_get(
1834             player_response, lambda x: x['videoDetails'], dict) or {}
1835
1836         video_title = video_info.get('title', [None])[0] or video_details.get('title')
1837         if not video_title:
1838             self._downloader.report_warning('Unable to extract video title')
1839             video_title = '_'
1840
1841         description_original = video_description = get_element_by_id("eow-description", video_webpage)
1842         if video_description:
1843
1844             def replace_url(m):
1845                 redir_url = compat_urlparse.urljoin(url, m.group(1))
1846                 parsed_redir_url = compat_urllib_parse_urlparse(redir_url)
1847                 if re.search(r'^(?:www\.)?(?:youtube(?:-nocookie)?\.com|youtu\.be)$', parsed_redir_url.netloc) and parsed_redir_url.path == '/redirect':
1848                     qs = compat_parse_qs(parsed_redir_url.query)
1849                     q = qs.get('q')
1850                     if q and q[0]:
1851                         return q[0]
1852                 return redir_url
1853
1854             description_original = video_description = re.sub(r'''(?x)
1855                 <a\s+
1856                     (?:[a-zA-Z-]+="[^"]*"\s+)*?
1857                     (?:title|href)="([^"]+)"\s+
1858                     (?:[a-zA-Z-]+="[^"]*"\s+)*?
1859                     class="[^"]*"[^>]*>
1860                 [^<]+\.{3}\s*
1861                 </a>
1862             ''', replace_url, video_description)
1863             video_description = clean_html(video_description)
1864         else:
1865             video_description = self._html_search_meta('description', video_webpage) or video_details.get('shortDescription')
1866
1867         if not smuggled_data.get('force_singlefeed', False):
1868             if not self._downloader.params.get('noplaylist'):
1869                 multifeed_metadata_list = try_get(
1870                     player_response,
1871                     lambda x: x['multicamera']['playerLegacyMulticameraRenderer']['metadataList'],
1872                     compat_str) or try_get(
1873                     video_info, lambda x: x['multifeed_metadata_list'][0], compat_str)
1874                 if multifeed_metadata_list:
1875                     entries = []
1876                     feed_ids = []
1877                     for feed in multifeed_metadata_list.split(','):
1878                         # Unquote should take place before split on comma (,) since textual
1879                         # fields may contain comma as well (see
1880                         # https://github.com/ytdl-org/youtube-dl/issues/8536)
1881                         feed_data = compat_parse_qs(compat_urllib_parse_unquote_plus(feed))
1882
1883                         def feed_entry(name):
1884                             return try_get(feed_data, lambda x: x[name][0], compat_str)
1885
1886                         feed_id = feed_entry('id')
1887                         if not feed_id:
1888                             continue
1889                         feed_title = feed_entry('title')
1890                         title = video_title
1891                         if feed_title:
1892                             title += ' (%s)' % feed_title
1893                         entries.append({
1894                             '_type': 'url_transparent',
1895                             'ie_key': 'Youtube',
1896                             'url': smuggle_url(
1897                                 '%s://www.youtube.com/watch?v=%s' % (proto, feed_data['id'][0]),
1898                                 {'force_singlefeed': True}),
1899                             'title': title,
1900                         })
1901                         feed_ids.append(feed_id)
1902                     self.to_screen(
1903                         'Downloading multifeed video (%s) - add --no-playlist to just download video %s'
1904                         % (', '.join(feed_ids), video_id))
1905                     return self.playlist_result(entries, video_id, video_title, video_description)
1906             else:
1907                 self.to_screen('Downloading just video %s because of --no-playlist' % video_id)
1908
1909         if view_count is None:
1910             view_count = extract_view_count(video_info)
1911         if view_count is None and video_details:
1912             view_count = int_or_none(video_details.get('viewCount'))
1913
1914         if is_live is None:
1915             is_live = bool_or_none(video_details.get('isLive'))
1916
1917         # Check for "rental" videos
1918         if 'ypc_video_rental_bar_text' in video_info and 'author' not in video_info:
1919             raise ExtractorError('"rental" videos not supported. See https://github.com/ytdl-org/youtube-dl/issues/359 for more information.', expected=True)
1920
1921         def _extract_filesize(media_url):
1922             return int_or_none(self._search_regex(
1923                 r'\bclen[=/](\d+)', media_url, 'filesize', default=None))
1924
1925         streaming_formats = try_get(player_response, lambda x: x['streamingData']['formats'], list) or []
1926         streaming_formats.extend(try_get(player_response, lambda x: x['streamingData']['adaptiveFormats'], list) or [])
1927
1928         if 'conn' in video_info and video_info['conn'][0].startswith('rtmp'):
1929             self.report_rtmp_download()
1930             formats = [{
1931                 'format_id': '_rtmp',
1932                 'protocol': 'rtmp',
1933                 'url': video_info['conn'][0],
1934                 'player_url': player_url,
1935             }]
1936         elif not is_live and (streaming_formats or len(video_info.get('url_encoded_fmt_stream_map', [''])[0]) >= 1 or len(video_info.get('adaptive_fmts', [''])[0]) >= 1):
1937             encoded_url_map = video_info.get('url_encoded_fmt_stream_map', [''])[0] + ',' + video_info.get('adaptive_fmts', [''])[0]
1938             if 'rtmpe%3Dyes' in encoded_url_map:
1939                 raise ExtractorError('rtmpe downloads are not supported, see https://github.com/ytdl-org/youtube-dl/issues/343 for more information.', expected=True)
1940             formats = []
1941             formats_spec = {}
1942             fmt_list = video_info.get('fmt_list', [''])[0]
1943             if fmt_list:
1944                 for fmt in fmt_list.split(','):
1945                     spec = fmt.split('/')
1946                     if len(spec) > 1:
1947                         width_height = spec[1].split('x')
1948                         if len(width_height) == 2:
1949                             formats_spec[spec[0]] = {
1950                                 'resolution': spec[1],
1951                                 'width': int_or_none(width_height[0]),
1952                                 'height': int_or_none(width_height[1]),
1953                             }
1954             for fmt in streaming_formats:
1955                 itag = str_or_none(fmt.get('itag'))
1956                 if not itag:
1957                     continue
1958                 quality = fmt.get('quality')
1959                 quality_label = fmt.get('qualityLabel') or quality
1960                 formats_spec[itag] = {
1961                     'asr': int_or_none(fmt.get('audioSampleRate')),
1962                     'filesize': int_or_none(fmt.get('contentLength')),
1963                     'format_note': quality_label,
1964                     'fps': int_or_none(fmt.get('fps')),
1965                     'height': int_or_none(fmt.get('height')),
1966                     # bitrate for itag 43 is always 2147483647
1967                     'tbr': float_or_none(fmt.get('averageBitrate') or fmt.get('bitrate'), 1000) if itag != '43' else None,
1968                     'width': int_or_none(fmt.get('width')),
1969                 }
1970
1971             for fmt in streaming_formats:
1972                 if fmt.get('drmFamilies') or fmt.get('drm_families'):
1973                     continue
1974                 url = url_or_none(fmt.get('url'))
1975
1976                 if not url:
1977                     cipher = fmt.get('cipher') or fmt.get('signatureCipher')
1978                     if not cipher:
1979                         continue
1980                     url_data = compat_parse_qs(cipher)
1981                     url = url_or_none(try_get(url_data, lambda x: x['url'][0], compat_str))
1982                     if not url:
1983                         continue
1984                 else:
1985                     cipher = None
1986                     url_data = compat_parse_qs(compat_urllib_parse_urlparse(url).query)
1987
1988                 stream_type = int_or_none(try_get(url_data, lambda x: x['stream_type'][0]))
1989                 # Unsupported FORMAT_STREAM_TYPE_OTF
1990                 if stream_type == 3:
1991                     continue
1992
1993                 format_id = fmt.get('itag') or url_data['itag'][0]
1994                 if not format_id:
1995                     continue
1996                 format_id = compat_str(format_id)
1997
1998                 if cipher:
1999                     if 's' in url_data or self._downloader.params.get('youtube_include_dash_manifest', True):
2000                         ASSETS_RE = r'"assets":.+?"js":\s*("[^"]+")'
2001                         jsplayer_url_json = self._search_regex(
2002                             ASSETS_RE,
2003                             embed_webpage if age_gate else video_webpage,
2004                             'JS player URL (1)', default=None)
2005                         if not jsplayer_url_json and not age_gate:
2006                             # We need the embed website after all
2007                             if embed_webpage is None:
2008                                 embed_url = proto + '://www.youtube.com/embed/%s' % video_id
2009                                 embed_webpage = self._download_webpage(
2010                                     embed_url, video_id, 'Downloading embed webpage')
2011                             jsplayer_url_json = self._search_regex(
2012                                 ASSETS_RE, embed_webpage, 'JS player URL')
2013
2014                         player_url = json.loads(jsplayer_url_json)
2015                         if player_url is None:
2016                             player_url_json = self._search_regex(
2017                                 r'ytplayer\.config.*?"url"\s*:\s*("[^"]+")',
2018                                 video_webpage, 'age gate player URL')
2019                             player_url = json.loads(player_url_json)
2020
2021                     if 'sig' in url_data:
2022                         url += '&signature=' + url_data['sig'][0]
2023                     elif 's' in url_data:
2024                         encrypted_sig = url_data['s'][0]
2025
2026                         if self._downloader.params.get('verbose'):
2027                             if player_url is None:
2028                                 player_desc = 'unknown'
2029                             else:
2030                                 player_type, player_version = self._extract_player_info(player_url)
2031                                 player_desc = '%s player %s' % ('flash' if player_type == 'swf' else 'html5', player_version)
2032                             parts_sizes = self._signature_cache_id(encrypted_sig)
2033                             self.to_screen('{%s} signature length %s, %s' %
2034                                            (format_id, parts_sizes, player_desc))
2035
2036                         signature = self._decrypt_signature(
2037                             encrypted_sig, video_id, player_url, age_gate)
2038                         sp = try_get(url_data, lambda x: x['sp'][0], compat_str) or 'signature'
2039                         url += '&%s=%s' % (sp, signature)
2040                 if 'ratebypass' not in url:
2041                     url += '&ratebypass=yes'
2042
2043                 dct = {
2044                     'format_id': format_id,
2045                     'url': url,
2046                     'player_url': player_url,
2047                 }
2048                 if format_id in self._formats:
2049                     dct.update(self._formats[format_id])
2050                 if format_id in formats_spec:
2051                     dct.update(formats_spec[format_id])
2052
2053                 # Some itags are not included in DASH manifest thus corresponding formats will
2054                 # lack metadata (see https://github.com/ytdl-org/youtube-dl/pull/5993).
2055                 # Trying to extract metadata from url_encoded_fmt_stream_map entry.
2056                 mobj = re.search(r'^(?P<width>\d+)[xX](?P<height>\d+)$', url_data.get('size', [''])[0])
2057                 width, height = (int(mobj.group('width')), int(mobj.group('height'))) if mobj else (None, None)
2058
2059                 if width is None:
2060                     width = int_or_none(fmt.get('width'))
2061                 if height is None:
2062                     height = int_or_none(fmt.get('height'))
2063
2064                 filesize = int_or_none(url_data.get(
2065                     'clen', [None])[0]) or _extract_filesize(url)
2066
2067                 quality = url_data.get('quality', [None])[0] or fmt.get('quality')
2068                 quality_label = url_data.get('quality_label', [None])[0] or fmt.get('qualityLabel')
2069
2070                 tbr = (float_or_none(url_data.get('bitrate', [None])[0], 1000)
2071                        or float_or_none(fmt.get('bitrate'), 1000)) if format_id != '43' else None
2072                 fps = int_or_none(url_data.get('fps', [None])[0]) or int_or_none(fmt.get('fps'))
2073
2074                 more_fields = {
2075                     'filesize': filesize,
2076                     'tbr': tbr,
2077                     'width': width,
2078                     'height': height,
2079                     'fps': fps,
2080                     'format_note': quality_label or quality,
2081                 }
2082                 for key, value in more_fields.items():
2083                     if value:
2084                         dct[key] = value
2085                 type_ = url_data.get('type', [None])[0] or fmt.get('mimeType')
2086                 if type_:
2087                     type_split = type_.split(';')
2088                     kind_ext = type_split[0].split('/')
2089                     if len(kind_ext) == 2:
2090                         kind, _ = kind_ext
2091                         dct['ext'] = mimetype2ext(type_split[0])
2092                         if kind in ('audio', 'video'):
2093                             codecs = None
2094                             for mobj in re.finditer(
2095                                     r'(?P<key>[a-zA-Z_-]+)=(?P<quote>["\']?)(?P<val>.+?)(?P=quote)(?:;|$)', type_):
2096                                 if mobj.group('key') == 'codecs':
2097                                     codecs = mobj.group('val')
2098                                     break
2099                             if codecs:
2100                                 dct.update(parse_codecs(codecs))
2101                 if dct.get('acodec') == 'none' or dct.get('vcodec') == 'none':
2102                     dct['downloader_options'] = {
2103                         # Youtube throttles chunks >~10M
2104                         'http_chunk_size': 10485760,
2105                     }
2106                 formats.append(dct)
2107         else:
2108             manifest_url = (
2109                 url_or_none(try_get(
2110                     player_response,
2111                     lambda x: x['streamingData']['hlsManifestUrl'],
2112                     compat_str))
2113                 or url_or_none(try_get(
2114                     video_info, lambda x: x['hlsvp'][0], compat_str)))
2115             if manifest_url:
2116                 formats = []
2117                 m3u8_formats = self._extract_m3u8_formats(
2118                     manifest_url, video_id, 'mp4', fatal=False)
2119                 for a_format in m3u8_formats:
2120                     itag = self._search_regex(
2121                         r'/itag/(\d+)/', a_format['url'], 'itag', default=None)
2122                     if itag:
2123                         a_format['format_id'] = itag
2124                         if itag in self._formats:
2125                             dct = self._formats[itag].copy()
2126                             dct.update(a_format)
2127                             a_format = dct
2128                     a_format['player_url'] = player_url
2129                     # Accept-Encoding header causes failures in live streams on Youtube and Youtube Gaming
2130                     a_format.setdefault('http_headers', {})['Youtubedl-no-compression'] = 'True'
2131                     formats.append(a_format)
2132             else:
2133                 error_message = extract_unavailable_message()
2134                 if not error_message:
2135                     error_message = clean_html(try_get(
2136                         player_response, lambda x: x['playabilityStatus']['reason'],
2137                         compat_str))
2138                 if not error_message:
2139                     error_message = clean_html(
2140                         try_get(video_info, lambda x: x['reason'][0], compat_str))
2141                 if error_message:
2142                     raise ExtractorError(error_message, expected=True)
2143                 raise ExtractorError('no conn, hlsvp, hlsManifestUrl or url_encoded_fmt_stream_map information found in video info')
2144
2145         # uploader
2146         video_uploader = try_get(
2147             video_info, lambda x: x['author'][0],
2148             compat_str) or str_or_none(video_details.get('author'))
2149         if video_uploader:
2150             video_uploader = compat_urllib_parse_unquote_plus(video_uploader)
2151         else:
2152             self._downloader.report_warning('unable to extract uploader name')
2153
2154         # uploader_id
2155         video_uploader_id = None
2156         video_uploader_url = None
2157         mobj = re.search(
2158             r'<link itemprop="url" href="(?P<uploader_url>https?://www\.youtube\.com/(?:user|channel)/(?P<uploader_id>[^"]+))">',
2159             video_webpage)
2160         if mobj is not None:
2161             video_uploader_id = mobj.group('uploader_id')
2162             video_uploader_url = mobj.group('uploader_url')
2163         else:
2164             self._downloader.report_warning('unable to extract uploader nickname')
2165
2166         channel_id = (
2167             str_or_none(video_details.get('channelId'))
2168             or self._html_search_meta(
2169                 'channelId', video_webpage, 'channel id', default=None)
2170             or self._search_regex(
2171                 r'data-channel-external-id=(["\'])(?P<id>(?:(?!\1).)+)\1',
2172                 video_webpage, 'channel id', default=None, group='id'))
2173         channel_url = 'http://www.youtube.com/channel/%s' % channel_id if channel_id else None
2174
2175         # thumbnail image
2176         # We try first to get a high quality image:
2177         m_thumb = re.search(r'<span itemprop="thumbnail".*?href="(.*?)">',
2178                             video_webpage, re.DOTALL)
2179         if m_thumb is not None:
2180             video_thumbnail = m_thumb.group(1)
2181         elif 'thumbnail_url' not in video_info:
2182             self._downloader.report_warning('unable to extract video thumbnail')
2183             video_thumbnail = None
2184         else:   # don't panic if we can't find it
2185             video_thumbnail = compat_urllib_parse_unquote_plus(video_info['thumbnail_url'][0])
2186
2187         # upload date
2188         upload_date = self._html_search_meta(
2189             'datePublished', video_webpage, 'upload date', default=None)
2190         if not upload_date:
2191             upload_date = self._search_regex(
2192                 [r'(?s)id="eow-date.*?>(.*?)</span>',
2193                  r'(?:id="watch-uploader-info".*?>.*?|["\']simpleText["\']\s*:\s*["\'])(?:Published|Uploaded|Streamed live|Started) on (.+?)[<"\']'],
2194                 video_webpage, 'upload date', default=None)
2195         upload_date = unified_strdate(upload_date)
2196
2197         video_license = self._html_search_regex(
2198             r'<h4[^>]+class="title"[^>]*>\s*License\s*</h4>\s*<ul[^>]*>\s*<li>(.+?)</li',
2199             video_webpage, 'license', default=None)
2200
2201         m_music = re.search(
2202             r'''(?x)
2203                 <h4[^>]+class="title"[^>]*>\s*Music\s*</h4>\s*
2204                 <ul[^>]*>\s*
2205                 <li>(?P<title>.+?)
2206                 by (?P<creator>.+?)
2207                 (?:
2208                     \(.+?\)|
2209                     <a[^>]*
2210                         (?:
2211                             \bhref=["\']/red[^>]*>|             # drop possible
2212                             >\s*Listen ad-free with YouTube Red # YouTube Red ad
2213                         )
2214                     .*?
2215                 )?</li
2216             ''',
2217             video_webpage)
2218         if m_music:
2219             video_alt_title = remove_quotes(unescapeHTML(m_music.group('title')))
2220             video_creator = clean_html(m_music.group('creator'))
2221         else:
2222             video_alt_title = video_creator = None
2223
2224         def extract_meta(field):
2225             return self._html_search_regex(
2226                 r'<h4[^>]+class="title"[^>]*>\s*%s\s*</h4>\s*<ul[^>]*>\s*<li>(.+?)</li>\s*' % field,
2227                 video_webpage, field, default=None)
2228
2229         track = extract_meta('Song')
2230         artist = extract_meta('Artist')
2231         album = extract_meta('Album')
2232
2233         # Youtube Music Auto-generated description
2234         release_date = release_year = None
2235         if video_description:
2236             mobj = re.search(r'(?s)Provided to YouTube by [^\n]+\n+(?P<track>[^·]+)·(?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]+))?', video_description)
2237             if mobj:
2238                 if not track:
2239                     track = mobj.group('track').strip()
2240                 if not artist:
2241                     artist = mobj.group('clean_artist') or ', '.join(a.strip() for a in mobj.group('artist').split('·'))
2242                 if not album:
2243                     album = mobj.group('album'.strip())
2244                 release_year = mobj.group('release_year')
2245                 release_date = mobj.group('release_date')
2246                 if release_date:
2247                     release_date = release_date.replace('-', '')
2248                     if not release_year:
2249                         release_year = int(release_date[:4])
2250                 if release_year:
2251                     release_year = int(release_year)
2252
2253         m_episode = re.search(
2254             r'<div[^>]+id="watch7-headline"[^>]*>\s*<span[^>]*>.*?>(?P<series>[^<]+)</a></b>\s*S(?P<season>\d+)\s*•\s*E(?P<episode>\d+)</span>',
2255             video_webpage)
2256         if m_episode:
2257             series = unescapeHTML(m_episode.group('series'))
2258             season_number = int(m_episode.group('season'))
2259             episode_number = int(m_episode.group('episode'))
2260         else:
2261             series = season_number = episode_number = None
2262
2263         m_cat_container = self._search_regex(
2264             r'(?s)<h4[^>]*>\s*Category\s*</h4>\s*<ul[^>]*>(.*?)</ul>',
2265             video_webpage, 'categories', default=None)
2266         if m_cat_container:
2267             category = self._html_search_regex(
2268                 r'(?s)<a[^<]+>(.*?)</a>', m_cat_container, 'category',
2269                 default=None)
2270             video_categories = None if category is None else [category]
2271         else:
2272             video_categories = None
2273
2274         video_tags = [
2275             unescapeHTML(m.group('content'))
2276             for m in re.finditer(self._meta_regex('og:video:tag'), video_webpage)]
2277
2278         def _extract_count(count_name):
2279             return str_to_int(self._search_regex(
2280                 r'-%s-button[^>]+><span[^>]+class="yt-uix-button-content"[^>]*>([\d,]+)</span>'
2281                 % re.escape(count_name),
2282                 video_webpage, count_name, default=None))
2283
2284         like_count = _extract_count('like')
2285         dislike_count = _extract_count('dislike')
2286
2287         if view_count is None:
2288             view_count = str_to_int(self._search_regex(
2289                 r'<[^>]+class=["\']watch-view-count[^>]+>\s*([\d,\s]+)', video_webpage,
2290                 'view count', default=None))
2291
2292         average_rating = (
2293             float_or_none(video_details.get('averageRating'))
2294             or try_get(video_info, lambda x: float_or_none(x['avg_rating'][0])))
2295
2296         # subtitles
2297         video_subtitles = self.extract_subtitles(video_id, video_webpage)
2298         automatic_captions = self.extract_automatic_captions(video_id, video_webpage)
2299
2300         video_duration = try_get(
2301             video_info, lambda x: int_or_none(x['length_seconds'][0]))
2302         if not video_duration:
2303             video_duration = int_or_none(video_details.get('lengthSeconds'))
2304         if not video_duration:
2305             video_duration = parse_duration(self._html_search_meta(
2306                 'duration', video_webpage, 'video duration'))
2307
2308         # annotations
2309         video_annotations = None
2310         if self._downloader.params.get('writeannotations', False):
2311             xsrf_token = self._search_regex(
2312                 r'([\'"])XSRF_TOKEN\1\s*:\s*([\'"])(?P<xsrf_token>[A-Za-z0-9+/=]+)\2',
2313                 video_webpage, 'xsrf token', group='xsrf_token', fatal=False)
2314             invideo_url = try_get(
2315                 player_response, lambda x: x['annotations'][0]['playerAnnotationsUrlsRenderer']['invideoUrl'], compat_str)
2316             if xsrf_token and invideo_url:
2317                 xsrf_field_name = self._search_regex(
2318                     r'([\'"])XSRF_FIELD_NAME\1\s*:\s*([\'"])(?P<xsrf_field_name>\w+)\2',
2319                     video_webpage, 'xsrf field name',
2320                     group='xsrf_field_name', default='session_token')
2321                 video_annotations = self._download_webpage(
2322                     self._proto_relative_url(invideo_url),
2323                     video_id, note='Downloading annotations',
2324                     errnote='Unable to download video annotations', fatal=False,
2325                     data=urlencode_postdata({xsrf_field_name: xsrf_token}))
2326
2327         chapters = self._extract_chapters(description_original, video_duration)
2328
2329         # Look for the DASH manifest
2330         if self._downloader.params.get('youtube_include_dash_manifest', True):
2331             dash_mpd_fatal = True
2332             for mpd_url in dash_mpds:
2333                 dash_formats = {}
2334                 try:
2335                     def decrypt_sig(mobj):
2336                         s = mobj.group(1)
2337                         dec_s = self._decrypt_signature(s, video_id, player_url, age_gate)
2338                         return '/signature/%s' % dec_s
2339
2340                     mpd_url = re.sub(r'/s/([a-fA-F0-9\.]+)', decrypt_sig, mpd_url)
2341
2342                     for df in self._extract_mpd_formats(
2343                             mpd_url, video_id, fatal=dash_mpd_fatal,
2344                             formats_dict=self._formats):
2345                         if not df.get('filesize'):
2346                             df['filesize'] = _extract_filesize(df['url'])
2347                         # Do not overwrite DASH format found in some previous DASH manifest
2348                         if df['format_id'] not in dash_formats:
2349                             dash_formats[df['format_id']] = df
2350                         # Additional DASH manifests may end up in HTTP Error 403 therefore
2351                         # allow them to fail without bug report message if we already have
2352                         # some DASH manifest succeeded. This is temporary workaround to reduce
2353                         # burst of bug reports until we figure out the reason and whether it
2354                         # can be fixed at all.
2355                         dash_mpd_fatal = False
2356                 except (ExtractorError, KeyError) as e:
2357                     self.report_warning(
2358                         'Skipping DASH manifest: %r' % e, video_id)
2359                 if dash_formats:
2360                     # Remove the formats we found through non-DASH, they
2361                     # contain less info and it can be wrong, because we use
2362                     # fixed values (for example the resolution). See
2363                     # https://github.com/ytdl-org/youtube-dl/issues/5774 for an
2364                     # example.
2365                     formats = [f for f in formats if f['format_id'] not in dash_formats.keys()]
2366                     formats.extend(dash_formats.values())
2367
2368         # Check for malformed aspect ratio
2369         stretched_m = re.search(
2370             r'<meta\s+property="og:video:tag".*?content="yt:stretch=(?P<w>[0-9]+):(?P<h>[0-9]+)">',
2371             video_webpage)
2372         if stretched_m:
2373             w = float(stretched_m.group('w'))
2374             h = float(stretched_m.group('h'))
2375             # yt:stretch may hold invalid ratio data (e.g. for Q39EVAstoRM ratio is 17:0).
2376             # We will only process correct ratios.
2377             if w > 0 and h > 0:
2378                 ratio = w / h
2379                 for f in formats:
2380                     if f.get('vcodec') != 'none':
2381                         f['stretched_ratio'] = ratio
2382
2383         if not formats:
2384             if 'reason' in video_info:
2385                 if 'The uploader has not made this video available in your country.' in video_info['reason']:
2386                     regions_allowed = self._html_search_meta(
2387                         'regionsAllowed', video_webpage, default=None)
2388                     countries = regions_allowed.split(',') if regions_allowed else None
2389                     self.raise_geo_restricted(
2390                         msg=video_info['reason'][0], countries=countries)
2391                 reason = video_info['reason'][0]
2392                 if 'Invalid parameters' in reason:
2393                     unavailable_message = extract_unavailable_message()
2394                     if unavailable_message:
2395                         reason = unavailable_message
2396                 raise ExtractorError(
2397                     'YouTube said: %s' % reason,
2398                     expected=True, video_id=video_id)
2399             if video_info.get('license_info') or try_get(player_response, lambda x: x['streamingData']['licenseInfos']):
2400                 raise ExtractorError('This video is DRM protected.', expected=True)
2401
2402         self._sort_formats(formats)
2403
2404         self.mark_watched(video_id, video_info, player_response)
2405
2406         return {
2407             'id': video_id,
2408             'uploader': video_uploader,
2409             'uploader_id': video_uploader_id,
2410             'uploader_url': video_uploader_url,
2411             'channel_id': channel_id,
2412             'channel_url': channel_url,
2413             'upload_date': upload_date,
2414             'license': video_license,
2415             'creator': video_creator or artist,
2416             'title': video_title,
2417             'alt_title': video_alt_title or track,
2418             'thumbnail': video_thumbnail,
2419             'description': video_description,
2420             'categories': video_categories,
2421             'tags': video_tags,
2422             'subtitles': video_subtitles,
2423             'automatic_captions': automatic_captions,
2424             'duration': video_duration,
2425             'age_limit': 18 if age_gate else 0,
2426             'annotations': video_annotations,
2427             'chapters': chapters,
2428             'webpage_url': proto + '://www.youtube.com/watch?v=%s' % video_id,
2429             'view_count': view_count,
2430             'like_count': like_count,
2431             'dislike_count': dislike_count,
2432             'average_rating': average_rating,
2433             'formats': formats,
2434             'is_live': is_live,
2435             'start_time': start_time,
2436             'end_time': end_time,
2437             'series': series,
2438             'season_number': season_number,
2439             'episode_number': episode_number,
2440             'track': track,
2441             'artist': artist,
2442             'album': album,
2443             'release_date': release_date,
2444             'release_year': release_year,
2445         }
2446
2447
2448 class YoutubePlaylistIE(YoutubePlaylistBaseInfoExtractor):
2449     IE_DESC = 'YouTube.com playlists'
2450     _VALID_URL = r"""(?x)(?:
2451                         (?:https?://)?
2452                         (?:\w+\.)?
2453                         (?:
2454                             (?:
2455                                 youtube(?:kids)?\.com|
2456                                 invidio\.us
2457                             )
2458                             /
2459                             (?:
2460                                (?:course|view_play_list|my_playlists|artist|playlist|watch|embed/(?:videoseries|[0-9A-Za-z_-]{11}))
2461                                \? (?:.*?[&;])*? (?:p|a|list)=
2462                             |  p/
2463                             )|
2464                             youtu\.be/[0-9A-Za-z_-]{11}\?.*?\blist=
2465                         )
2466                         (
2467                             (?:PL|LL|EC|UU|FL|RD|UL|TL|PU|OLAK5uy_)?[0-9A-Za-z-_]{10,}
2468                             # Top tracks, they can also include dots
2469                             |(?:MC)[\w\.]*
2470                         )
2471                         .*
2472                      |
2473                         (%(playlist_id)s)
2474                      )""" % {'playlist_id': YoutubeBaseInfoExtractor._PLAYLIST_ID_RE}
2475     _TEMPLATE_URL = 'https://www.youtube.com/playlist?list=%s'
2476     _VIDEO_RE_TPL = r'href="\s*/watch\?v=%s(?:&amp;(?:[^"]*?index=(?P<index>\d+))?(?:[^>]+>(?P<title>[^<]+))?)?'
2477     _VIDEO_RE = _VIDEO_RE_TPL % r'(?P<id>[0-9A-Za-z_-]{11})'
2478     IE_NAME = 'youtube:playlist'
2479     _TESTS = [{
2480         'url': 'https://www.youtube.com/playlist?list=PL4lCao7KL_QFVb7Iudeipvc2BCavECqzc',
2481         'info_dict': {
2482             'uploader_id': 'UCmlqkdCBesrv2Lak1mF_MxA',
2483             'uploader': 'Sergey M.',
2484             'id': 'PL4lCao7KL_QFVb7Iudeipvc2BCavECqzc',
2485             'title': 'youtube-dl public playlist',
2486         },
2487         'playlist_count': 1,
2488     }, {
2489         'url': 'https://www.youtube.com/playlist?list=PL4lCao7KL_QFodcLWhDpGCYnngnHtQ-Xf',
2490         'info_dict': {
2491             'uploader_id': 'UCmlqkdCBesrv2Lak1mF_MxA',
2492             'uploader': 'Sergey M.',
2493             'id': 'PL4lCao7KL_QFodcLWhDpGCYnngnHtQ-Xf',
2494             'title': 'youtube-dl empty playlist',
2495         },
2496         'playlist_count': 0,
2497     }, {
2498         'note': 'Playlist with deleted videos (#651). As a bonus, the video #51 is also twice in this list.',
2499         'url': 'https://www.youtube.com/playlist?list=PLwP_SiAcdui0KVebT0mU9Apz359a4ubsC',
2500         'info_dict': {
2501             'title': '29C3: Not my department',
2502             'id': 'PLwP_SiAcdui0KVebT0mU9Apz359a4ubsC',
2503             'uploader': 'Christiaan008',
2504             'uploader_id': 'ChRiStIaAn008',
2505         },
2506         'playlist_count': 96,
2507     }, {
2508         'note': 'issue #673',
2509         'url': 'PLBB231211A4F62143',
2510         'info_dict': {
2511             'title': '[OLD]Team Fortress 2 (Class-based LP)',
2512             'id': 'PLBB231211A4F62143',
2513             'uploader': 'Wickydoo',
2514             'uploader_id': 'Wickydoo',
2515         },
2516         'playlist_mincount': 26,
2517     }, {
2518         'note': 'Large playlist',
2519         'url': 'https://www.youtube.com/playlist?list=UUBABnxM4Ar9ten8Mdjj1j0Q',
2520         'info_dict': {
2521             'title': 'Uploads from Cauchemar',
2522             'id': 'UUBABnxM4Ar9ten8Mdjj1j0Q',
2523             'uploader': 'Cauchemar',
2524             'uploader_id': 'Cauchemar89',
2525         },
2526         'playlist_mincount': 799,
2527     }, {
2528         'url': 'PLtPgu7CB4gbY9oDN3drwC3cMbJggS7dKl',
2529         'info_dict': {
2530             'title': 'YDL_safe_search',
2531             'id': 'PLtPgu7CB4gbY9oDN3drwC3cMbJggS7dKl',
2532         },
2533         'playlist_count': 2,
2534         'skip': 'This playlist is private',
2535     }, {
2536         'note': 'embedded',
2537         'url': 'https://www.youtube.com/embed/videoseries?list=PL6IaIsEjSbf96XFRuNccS_RuEXwNdsoEu',
2538         'playlist_count': 4,
2539         'info_dict': {
2540             'title': 'JODA15',
2541             'id': 'PL6IaIsEjSbf96XFRuNccS_RuEXwNdsoEu',
2542             'uploader': 'milan',
2543             'uploader_id': 'UCEI1-PVPcYXjB73Hfelbmaw',
2544         }
2545     }, {
2546         'url': 'http://www.youtube.com/embed/_xDOZElKyNU?list=PLsyOSbh5bs16vubvKePAQ1x3PhKavfBIl',
2547         'playlist_mincount': 485,
2548         'info_dict': {
2549             'title': '2018 Chinese New Singles (11/6 updated)',
2550             'id': 'PLsyOSbh5bs16vubvKePAQ1x3PhKavfBIl',
2551             'uploader': 'LBK',
2552             'uploader_id': 'sdragonfang',
2553         }
2554     }, {
2555         'note': 'Embedded SWF player',
2556         'url': 'https://www.youtube.com/p/YN5VISEtHet5D4NEvfTd0zcgFk84NqFZ?hl=en_US&fs=1&rel=0',
2557         'playlist_count': 4,
2558         'info_dict': {
2559             'title': 'JODA7',
2560             'id': 'YN5VISEtHet5D4NEvfTd0zcgFk84NqFZ',
2561         },
2562         'skip': 'This playlist does not exist',
2563     }, {
2564         'note': 'Buggy playlist: the webpage has a "Load more" button but it doesn\'t have more videos',
2565         'url': 'https://www.youtube.com/playlist?list=UUXw-G3eDE9trcvY2sBMM_aA',
2566         'info_dict': {
2567             'title': 'Uploads from Interstellar Movie',
2568             'id': 'UUXw-G3eDE9trcvY2sBMM_aA',
2569             'uploader': 'Interstellar Movie',
2570             'uploader_id': 'InterstellarMovie1',
2571         },
2572         'playlist_mincount': 21,
2573     }, {
2574         # Playlist URL that does not actually serve a playlist
2575         'url': 'https://www.youtube.com/watch?v=FqZTN594JQw&list=PLMYEtVRpaqY00V9W81Cwmzp6N6vZqfUKD4',
2576         'info_dict': {
2577             'id': 'FqZTN594JQw',
2578             'ext': 'webm',
2579             'title': "Smiley's People 01 detective, Adventure Series, Action",
2580             'uploader': 'STREEM',
2581             'uploader_id': 'UCyPhqAZgwYWZfxElWVbVJng',
2582             'uploader_url': r're:https?://(?:www\.)?youtube\.com/channel/UCyPhqAZgwYWZfxElWVbVJng',
2583             'upload_date': '20150526',
2584             'license': 'Standard YouTube License',
2585             'description': 'md5:507cdcb5a49ac0da37a920ece610be80',
2586             'categories': ['People & Blogs'],
2587             'tags': list,
2588             'view_count': int,
2589             'like_count': int,
2590             'dislike_count': int,
2591         },
2592         'params': {
2593             'skip_download': True,
2594         },
2595         'skip': 'This video is not available.',
2596         'add_ie': [YoutubeIE.ie_key()],
2597     }, {
2598         'url': 'https://youtu.be/yeWKywCrFtk?list=PL2qgrgXsNUG5ig9cat4ohreBjYLAPC0J5',
2599         'info_dict': {
2600             'id': 'yeWKywCrFtk',
2601             'ext': 'mp4',
2602             'title': 'Small Scale Baler and Braiding Rugs',
2603             'uploader': 'Backus-Page House Museum',
2604             'uploader_id': 'backuspagemuseum',
2605             'uploader_url': r're:https?://(?:www\.)?youtube\.com/user/backuspagemuseum',
2606             'upload_date': '20161008',
2607             'description': 'md5:800c0c78d5eb128500bffd4f0b4f2e8a',
2608             'categories': ['Nonprofits & Activism'],
2609             'tags': list,
2610             'like_count': int,
2611             'dislike_count': int,
2612         },
2613         'params': {
2614             'noplaylist': True,
2615             'skip_download': True,
2616         },
2617     }, {
2618         # https://github.com/ytdl-org/youtube-dl/issues/21844
2619         'url': 'https://www.youtube.com/playlist?list=PLzH6n4zXuckpfMu_4Ff8E7Z1behQks5ba',
2620         'info_dict': {
2621             'title': 'Data Analysis with Dr Mike Pound',
2622             'id': 'PLzH6n4zXuckpfMu_4Ff8E7Z1behQks5ba',
2623             'uploader_id': 'Computerphile',
2624             'uploader': 'Computerphile',
2625         },
2626         'playlist_mincount': 11,
2627     }, {
2628         'url': 'https://youtu.be/uWyaPkt-VOI?list=PL9D9FC436B881BA21',
2629         'only_matching': True,
2630     }, {
2631         'url': 'TLGGrESM50VT6acwMjAyMjAxNw',
2632         'only_matching': True,
2633     }, {
2634         # music album playlist
2635         'url': 'OLAK5uy_m4xAFdmMC5rX3Ji3g93pQe3hqLZw_9LhM',
2636         'only_matching': True,
2637     }, {
2638         'url': 'https://invidio.us/playlist?list=PLDIoUOhQQPlXr63I_vwF9GD8sAKh77dWU',
2639         'only_matching': True,
2640     }, {
2641         'url': 'https://www.youtubekids.com/watch?v=Agk7R8I8o5U&list=PUZ6jURNr1WQZCNHF0ao-c0g',
2642         'only_matching': True,
2643     }]
2644
2645     def _real_initialize(self):
2646         self._login()
2647
2648     def extract_videos_from_page(self, page):
2649         ids_in_page = []
2650         titles_in_page = []
2651
2652         for item in re.findall(
2653                 r'(<[^>]*\bdata-video-id\s*=\s*["\'][0-9A-Za-z_-]{11}[^>]+>)', page):
2654             attrs = extract_attributes(item)
2655             video_id = attrs['data-video-id']
2656             video_title = unescapeHTML(attrs.get('data-title'))
2657             if video_title:
2658                 video_title = video_title.strip()
2659             ids_in_page.append(video_id)
2660             titles_in_page.append(video_title)
2661
2662         # Fallback with old _VIDEO_RE
2663         self.extract_videos_from_page_impl(
2664             self._VIDEO_RE, page, ids_in_page, titles_in_page)
2665
2666         # Relaxed fallbacks
2667         self.extract_videos_from_page_impl(
2668             r'href="\s*/watch\?v\s*=\s*(?P<id>[0-9A-Za-z_-]{11})', page,
2669             ids_in_page, titles_in_page)
2670         self.extract_videos_from_page_impl(
2671             r'data-video-ids\s*=\s*["\'](?P<id>[0-9A-Za-z_-]{11})', page,
2672             ids_in_page, titles_in_page)
2673
2674         return zip(ids_in_page, titles_in_page)
2675
2676     def _extract_mix(self, playlist_id):
2677         # The mixes are generated from a single video
2678         # the id of the playlist is just 'RD' + video_id
2679         ids = []
2680         last_id = playlist_id[-11:]
2681         for n in itertools.count(1):
2682             url = 'https://youtube.com/watch?v=%s&list=%s' % (last_id, playlist_id)
2683             webpage = self._download_webpage(
2684                 url, playlist_id, 'Downloading page {0} of Youtube mix'.format(n))
2685             new_ids = orderedSet(re.findall(
2686                 r'''(?xs)data-video-username=".*?".*?
2687                            href="/watch\?v=([0-9A-Za-z_-]{11})&amp;[^"]*?list=%s''' % re.escape(playlist_id),
2688                 webpage))
2689             # Fetch new pages until all the videos are repeated, it seems that
2690             # there are always 51 unique videos.
2691             new_ids = [_id for _id in new_ids if _id not in ids]
2692             if not new_ids:
2693                 break
2694             ids.extend(new_ids)
2695             last_id = ids[-1]
2696
2697         url_results = self._ids_to_results(ids)
2698
2699         search_title = lambda class_name: get_element_by_attribute('class', class_name, webpage)
2700         title_span = (
2701             search_title('playlist-title')
2702             or search_title('title long-title')
2703             or search_title('title'))
2704         title = clean_html(title_span)
2705
2706         return self.playlist_result(url_results, playlist_id, title)
2707
2708     def _extract_playlist(self, playlist_id):
2709         url = self._TEMPLATE_URL % playlist_id
2710         page = self._download_webpage(url, playlist_id)
2711
2712         # the yt-alert-message now has tabindex attribute (see https://github.com/ytdl-org/youtube-dl/issues/11604)
2713         for match in re.findall(r'<div class="yt-alert-message"[^>]*>([^<]+)</div>', page):
2714             match = match.strip()
2715             # Check if the playlist exists or is private
2716             mobj = re.match(r'[^<]*(?:The|This) playlist (?P<reason>does not exist|is private)[^<]*', match)
2717             if mobj:
2718                 reason = mobj.group('reason')
2719                 message = 'This playlist %s' % reason
2720                 if 'private' in reason:
2721                     message += ', use --username or --netrc to access it'
2722                 message += '.'
2723                 raise ExtractorError(message, expected=True)
2724             elif re.match(r'[^<]*Invalid parameters[^<]*', match):
2725                 raise ExtractorError(
2726                     'Invalid parameters. Maybe URL is incorrect.',
2727                     expected=True)
2728             elif re.match(r'[^<]*Choose your language[^<]*', match):
2729                 continue
2730             else:
2731                 self.report_warning('Youtube gives an alert message: ' + match)
2732
2733         playlist_title = self._html_search_regex(
2734             r'(?s)<h1 class="pl-header-title[^"]*"[^>]*>\s*(.*?)\s*</h1>',
2735             page, 'title', default=None)
2736
2737         _UPLOADER_BASE = r'class=["\']pl-header-details[^>]+>\s*<li>\s*<a[^>]+\bhref='
2738         uploader = self._html_search_regex(
2739             r'%s["\']/(?:user|channel)/[^>]+>([^<]+)' % _UPLOADER_BASE,
2740             page, 'uploader', default=None)
2741         mobj = re.search(
2742             r'%s(["\'])(?P<path>/(?:user|channel)/(?P<uploader_id>.+?))\1' % _UPLOADER_BASE,
2743             page)
2744         if mobj:
2745             uploader_id = mobj.group('uploader_id')
2746             uploader_url = compat_urlparse.urljoin(url, mobj.group('path'))
2747         else:
2748             uploader_id = uploader_url = None
2749
2750         has_videos = True
2751
2752         if not playlist_title:
2753             try:
2754                 # Some playlist URLs don't actually serve a playlist (e.g.
2755                 # https://www.youtube.com/watch?v=FqZTN594JQw&list=PLMYEtVRpaqY00V9W81Cwmzp6N6vZqfUKD4)
2756                 next(self._entries(page, playlist_id))
2757             except StopIteration:
2758                 has_videos = False
2759
2760         playlist = self.playlist_result(
2761             self._entries(page, playlist_id), playlist_id, playlist_title)
2762         playlist.update({
2763             'uploader': uploader,
2764             'uploader_id': uploader_id,
2765             'uploader_url': uploader_url,
2766         })
2767
2768         return has_videos, playlist
2769
2770     def _check_download_just_video(self, url, playlist_id):
2771         # Check if it's a video-specific URL
2772         query_dict = compat_urlparse.parse_qs(compat_urlparse.urlparse(url).query)
2773         video_id = query_dict.get('v', [None])[0] or self._search_regex(
2774             r'(?:(?:^|//)youtu\.be/|youtube\.com/embed/(?!videoseries))([0-9A-Za-z_-]{11})', url,
2775             'video id', default=None)
2776         if video_id:
2777             if self._downloader.params.get('noplaylist'):
2778                 self.to_screen('Downloading just video %s because of --no-playlist' % video_id)
2779                 return video_id, self.url_result(video_id, 'Youtube', video_id=video_id)
2780             else:
2781                 self.to_screen('Downloading playlist %s - add --no-playlist to just download video %s' % (playlist_id, video_id))
2782                 return video_id, None
2783         return None, None
2784
2785     def _real_extract(self, url):
2786         # Extract playlist id
2787         mobj = re.match(self._VALID_URL, url)
2788         if mobj is None:
2789             raise ExtractorError('Invalid URL: %s' % url)
2790         playlist_id = mobj.group(1) or mobj.group(2)
2791
2792         video_id, video = self._check_download_just_video(url, playlist_id)
2793         if video:
2794             return video
2795
2796         if playlist_id.startswith(('RD', 'UL', 'PU')):
2797             # Mixes require a custom extraction process
2798             return self._extract_mix(playlist_id)
2799
2800         has_videos, playlist = self._extract_playlist(playlist_id)
2801         if has_videos or not video_id:
2802             return playlist
2803
2804         # Some playlist URLs don't actually serve a playlist (see
2805         # https://github.com/ytdl-org/youtube-dl/issues/10537).
2806         # Fallback to plain video extraction if there is a video id
2807         # along with playlist id.
2808         return self.url_result(video_id, 'Youtube', video_id=video_id)
2809
2810
2811 class YoutubeChannelIE(YoutubePlaylistBaseInfoExtractor):
2812     IE_DESC = 'YouTube.com channels'
2813     _VALID_URL = r'https?://(?:youtu\.be|(?:\w+\.)?youtube(?:-nocookie|kids)?\.com|(?:www\.)?invidio\.us)/channel/(?P<id>[0-9A-Za-z_-]+)'
2814     _TEMPLATE_URL = 'https://www.youtube.com/channel/%s/videos'
2815     _VIDEO_RE = r'(?:title="(?P<title>[^"]+)"[^>]+)?href="/watch\?v=(?P<id>[0-9A-Za-z_-]+)&?'
2816     IE_NAME = 'youtube:channel'
2817     _TESTS = [{
2818         'note': 'paginated channel',
2819         'url': 'https://www.youtube.com/channel/UCKfVa3S1e4PHvxWcwyMMg8w',
2820         'playlist_mincount': 91,
2821         'info_dict': {
2822             'id': 'UUKfVa3S1e4PHvxWcwyMMg8w',
2823             'title': 'Uploads from lex will',
2824             'uploader': 'lex will',
2825             'uploader_id': 'UCKfVa3S1e4PHvxWcwyMMg8w',
2826         }
2827     }, {
2828         'note': 'Age restricted channel',
2829         # from https://www.youtube.com/user/DeusExOfficial
2830         'url': 'https://www.youtube.com/channel/UCs0ifCMCm1icqRbqhUINa0w',
2831         'playlist_mincount': 64,
2832         'info_dict': {
2833             'id': 'UUs0ifCMCm1icqRbqhUINa0w',
2834             'title': 'Uploads from Deus Ex',
2835             'uploader': 'Deus Ex',
2836             'uploader_id': 'DeusExOfficial',
2837         },
2838     }, {
2839         'url': 'https://invidio.us/channel/UC23qupoDRn9YOAVzeoxjOQA',
2840         'only_matching': True,
2841     }, {
2842         'url': 'https://www.youtubekids.com/channel/UCyu8StPfZWapR6rfW_JgqcA',
2843         'only_matching': True,
2844     }]
2845
2846     @classmethod
2847     def suitable(cls, url):
2848         return (False if YoutubePlaylistsIE.suitable(url) or YoutubeLiveIE.suitable(url)
2849                 else super(YoutubeChannelIE, cls).suitable(url))
2850
2851     def _build_template_url(self, url, channel_id):
2852         return self._TEMPLATE_URL % channel_id
2853
2854     def _real_extract(self, url):
2855         channel_id = self._match_id(url)
2856
2857         url = self._build_template_url(url, channel_id)
2858
2859         # Channel by page listing is restricted to 35 pages of 30 items, i.e. 1050 videos total (see #5778)
2860         # Workaround by extracting as a playlist if managed to obtain channel playlist URL
2861         # otherwise fallback on channel by page extraction
2862         channel_page = self._download_webpage(
2863             url + '?view=57', channel_id,
2864             'Downloading channel page', fatal=False)
2865         if channel_page is False:
2866             channel_playlist_id = False
2867         else:
2868             channel_playlist_id = self._html_search_meta(
2869                 'channelId', channel_page, 'channel id', default=None)
2870             if not channel_playlist_id:
2871                 channel_url = self._html_search_meta(
2872                     ('al:ios:url', 'twitter:app:url:iphone', 'twitter:app:url:ipad'),
2873                     channel_page, 'channel url', default=None)
2874                 if channel_url:
2875                     channel_playlist_id = self._search_regex(
2876                         r'vnd\.youtube://user/([0-9A-Za-z_-]+)',
2877                         channel_url, 'channel id', default=None)
2878         if channel_playlist_id and channel_playlist_id.startswith('UC'):
2879             playlist_id = 'UU' + channel_playlist_id[2:]
2880             return self.url_result(
2881                 compat_urlparse.urljoin(url, '/playlist?list=%s' % playlist_id), 'YoutubePlaylist')
2882
2883         channel_page = self._download_webpage(url, channel_id, 'Downloading page #1')
2884         autogenerated = re.search(r'''(?x)
2885                 class="[^"]*?(?:
2886                     channel-header-autogenerated-label|
2887                     yt-channel-title-autogenerated
2888                 )[^"]*"''', channel_page) is not None
2889
2890         if autogenerated:
2891             # The videos are contained in a single page
2892             # the ajax pages can't be used, they are empty
2893             entries = [
2894                 self.url_result(
2895                     video_id, 'Youtube', video_id=video_id,
2896                     video_title=video_title)
2897                 for video_id, video_title in self.extract_videos_from_page(channel_page)]
2898             return self.playlist_result(entries, channel_id)
2899
2900         try:
2901             next(self._entries(channel_page, channel_id))
2902         except StopIteration:
2903             alert_message = self._html_search_regex(
2904                 r'(?s)<div[^>]+class=(["\']).*?\byt-alert-message\b.*?\1[^>]*>(?P<alert>[^<]+)</div>',
2905                 channel_page, 'alert', default=None, group='alert')
2906             if alert_message:
2907                 raise ExtractorError('Youtube said: %s' % alert_message, expected=True)
2908
2909         return self.playlist_result(self._entries(channel_page, channel_id), channel_id)
2910
2911
2912 class YoutubeUserIE(YoutubeChannelIE):
2913     IE_DESC = 'YouTube.com user videos (URL or "ytuser" keyword)'
2914     _VALID_URL = r'(?:(?:https?://(?:\w+\.)?youtube\.com/(?:(?P<user>user|c)/)?(?!(?:attribution_link|watch|results|shared)(?:$|[^a-z_A-Z0-9-])))|ytuser:)(?!feed/)(?P<id>[A-Za-z0-9_-]+)'
2915     _TEMPLATE_URL = 'https://www.youtube.com/%s/%s/videos'
2916     IE_NAME = 'youtube:user'
2917
2918     _TESTS = [{
2919         'url': 'https://www.youtube.com/user/TheLinuxFoundation',
2920         'playlist_mincount': 320,
2921         'info_dict': {
2922             'id': 'UUfX55Sx5hEFjoC3cNs6mCUQ',
2923             'title': 'Uploads from The Linux Foundation',
2924             'uploader': 'The Linux Foundation',
2925             'uploader_id': 'TheLinuxFoundation',
2926         }
2927     }, {
2928         # Only available via https://www.youtube.com/c/12minuteathlete/videos
2929         # but not https://www.youtube.com/user/12minuteathlete/videos
2930         'url': 'https://www.youtube.com/c/12minuteathlete/videos',
2931         'playlist_mincount': 249,
2932         'info_dict': {
2933             'id': 'UUVjM-zV6_opMDx7WYxnjZiQ',
2934             'title': 'Uploads from 12 Minute Athlete',
2935             'uploader': '12 Minute Athlete',
2936             'uploader_id': 'the12minuteathlete',
2937         }
2938     }, {
2939         'url': 'ytuser:phihag',
2940         'only_matching': True,
2941     }, {
2942         'url': 'https://www.youtube.com/c/gametrailers',
2943         'only_matching': True,
2944     }, {
2945         'url': 'https://www.youtube.com/gametrailers',
2946         'only_matching': True,
2947     }, {
2948         # This channel is not available, geo restricted to JP
2949         'url': 'https://www.youtube.com/user/kananishinoSMEJ/videos',
2950         'only_matching': True,
2951     }]
2952
2953     @classmethod
2954     def suitable(cls, url):
2955         # Don't return True if the url can be extracted with other youtube
2956         # extractor, the regex would is too permissive and it would match.
2957         other_yt_ies = iter(klass for (name, klass) in globals().items() if name.startswith('Youtube') and name.endswith('IE') and klass is not cls)
2958         if any(ie.suitable(url) for ie in other_yt_ies):
2959             return False
2960         else:
2961             return super(YoutubeUserIE, cls).suitable(url)
2962
2963     def _build_template_url(self, url, channel_id):
2964         mobj = re.match(self._VALID_URL, url)
2965         return self._TEMPLATE_URL % (mobj.group('user') or 'user', mobj.group('id'))
2966
2967
2968 class YoutubeLiveIE(YoutubeBaseInfoExtractor):
2969     IE_DESC = 'YouTube.com live streams'
2970     _VALID_URL = r'(?P<base_url>https?://(?:\w+\.)?youtube\.com/(?:(?:user|channel|c)/)?(?P<id>[^/]+))/live'
2971     IE_NAME = 'youtube:live'
2972
2973     _TESTS = [{
2974         'url': 'https://www.youtube.com/user/TheYoungTurks/live',
2975         'info_dict': {
2976             'id': 'a48o2S1cPoo',
2977             'ext': 'mp4',
2978             'title': 'The Young Turks - Live Main Show',
2979             'uploader': 'The Young Turks',
2980             'uploader_id': 'TheYoungTurks',
2981             'uploader_url': r're:https?://(?:www\.)?youtube\.com/user/TheYoungTurks',
2982             'upload_date': '20150715',
2983             'license': 'Standard YouTube License',
2984             'description': 'md5:438179573adcdff3c97ebb1ee632b891',
2985             'categories': ['News & Politics'],
2986             'tags': ['Cenk Uygur (TV Program Creator)', 'The Young Turks (Award-Winning Work)', 'Talk Show (TV Genre)'],
2987             'like_count': int,
2988             'dislike_count': int,
2989         },
2990         'params': {
2991             'skip_download': True,
2992         },
2993     }, {
2994         'url': 'https://www.youtube.com/channel/UC1yBKRuGpC1tSM73A0ZjYjQ/live',
2995         'only_matching': True,
2996     }, {
2997         'url': 'https://www.youtube.com/c/CommanderVideoHq/live',
2998         'only_matching': True,
2999     }, {
3000         'url': 'https://www.youtube.com/TheYoungTurks/live',
3001         'only_matching': True,
3002     }]
3003
3004     def _real_extract(self, url):
3005         mobj = re.match(self._VALID_URL, url)
3006         channel_id = mobj.group('id')
3007         base_url = mobj.group('base_url')
3008         webpage = self._download_webpage(url, channel_id, fatal=False)
3009         if webpage:
3010             page_type = self._og_search_property(
3011                 'type', webpage, 'page type', default='')
3012             video_id = self._html_search_meta(
3013                 'videoId', webpage, 'video id', default=None)
3014             if page_type.startswith('video') and video_id and re.match(
3015                     r'^[0-9A-Za-z_-]{11}$', video_id):
3016                 return self.url_result(video_id, YoutubeIE.ie_key())
3017         return self.url_result(base_url)
3018
3019
3020 class YoutubePlaylistsIE(YoutubePlaylistsBaseInfoExtractor):
3021     IE_DESC = 'YouTube.com user/channel playlists'
3022     _VALID_URL = r'https?://(?:\w+\.)?youtube\.com/(?:user|channel)/(?P<id>[^/]+)/playlists'
3023     IE_NAME = 'youtube:playlists'
3024
3025     _TESTS = [{
3026         'url': 'https://www.youtube.com/user/ThirstForScience/playlists',
3027         'playlist_mincount': 4,
3028         'info_dict': {
3029             'id': 'ThirstForScience',
3030             'title': 'ThirstForScience',
3031         },
3032     }, {
3033         # with "Load more" button
3034         'url': 'https://www.youtube.com/user/igorkle1/playlists?view=1&sort=dd',
3035         'playlist_mincount': 70,
3036         'info_dict': {
3037             'id': 'igorkle1',
3038             'title': 'Игорь Клейнер',
3039         },
3040     }, {
3041         'url': 'https://www.youtube.com/channel/UCiU1dHvZObB2iP6xkJ__Icw/playlists',
3042         'playlist_mincount': 17,
3043         'info_dict': {
3044             'id': 'UCiU1dHvZObB2iP6xkJ__Icw',
3045             'title': 'Chem Player',
3046         },
3047         'skip': 'Blocked',
3048     }]
3049
3050
3051 class YoutubeSearchBaseInfoExtractor(YoutubePlaylistBaseInfoExtractor):
3052     _VIDEO_RE = r'href="\s*/watch\?v=(?P<id>[0-9A-Za-z_-]{11})(?:[^"]*"[^>]+\btitle="(?P<title>[^"]+))?'
3053
3054
3055 class YoutubeSearchIE(SearchInfoExtractor, YoutubeSearchBaseInfoExtractor):
3056     IE_DESC = 'YouTube.com searches'
3057     # there doesn't appear to be a real limit, for example if you search for
3058     # 'python' you get more than 8.000.000 results
3059     _MAX_RESULTS = float('inf')
3060     IE_NAME = 'youtube:search'
3061     _SEARCH_KEY = 'ytsearch'
3062     _EXTRA_QUERY_ARGS = {}
3063     _TESTS = []
3064
3065     def _get_n_results(self, query, n):
3066         """Get a specified number of results for a query"""
3067
3068         videos = []
3069         limit = n
3070
3071         url_query = {
3072             'search_query': query.encode('utf-8'),
3073         }
3074         url_query.update(self._EXTRA_QUERY_ARGS)
3075         result_url = 'https://www.youtube.com/results?' + compat_urllib_parse_urlencode(url_query)
3076
3077         for pagenum in itertools.count(1):
3078             data = self._download_json(
3079                 result_url, video_id='query "%s"' % query,
3080                 note='Downloading page %s' % pagenum,
3081                 errnote='Unable to download API page',
3082                 query={'spf': 'navigate'})
3083             html_content = data[1]['body']['content']
3084
3085             if 'class="search-message' in html_content:
3086                 raise ExtractorError(
3087                     '[youtube] No video results', expected=True)
3088
3089             new_videos = list(self._process_page(html_content))
3090             videos += new_videos
3091             if not new_videos or len(videos) > limit:
3092                 break
3093             next_link = self._html_search_regex(
3094                 r'href="(/results\?[^"]*\bsp=[^"]+)"[^>]*>\s*<span[^>]+class="[^"]*\byt-uix-button-content\b[^"]*"[^>]*>Next',
3095                 html_content, 'next link', default=None)
3096             if next_link is None:
3097                 break
3098             result_url = compat_urlparse.urljoin('https://www.youtube.com/', next_link)
3099
3100         if len(videos) > n:
3101             videos = videos[:n]
3102         return self.playlist_result(videos, query)
3103
3104
3105 class YoutubeSearchDateIE(YoutubeSearchIE):
3106     IE_NAME = YoutubeSearchIE.IE_NAME + ':date'
3107     _SEARCH_KEY = 'ytsearchdate'
3108     IE_DESC = 'YouTube.com searches, newest videos first'
3109     _EXTRA_QUERY_ARGS = {'search_sort': 'video_date_uploaded'}
3110
3111
3112 class YoutubeSearchURLIE(YoutubeSearchBaseInfoExtractor):
3113     IE_DESC = 'YouTube.com search URLs'
3114     IE_NAME = 'youtube:search_url'
3115     _VALID_URL = r'https?://(?:www\.)?youtube\.com/results\?(.*?&)?(?:search_query|q)=(?P<query>[^&]+)(?:[&]|$)'
3116     _TESTS = [{
3117         'url': 'https://www.youtube.com/results?baz=bar&search_query=youtube-dl+test+video&filters=video&lclk=video',
3118         'playlist_mincount': 5,
3119         'info_dict': {
3120             'title': 'youtube-dl test video',
3121         }
3122     }, {
3123         'url': 'https://www.youtube.com/results?q=test&sp=EgQIBBgB',
3124         'only_matching': True,
3125     }]
3126
3127     def _real_extract(self, url):
3128         mobj = re.match(self._VALID_URL, url)
3129         query = compat_urllib_parse_unquote_plus(mobj.group('query'))
3130         webpage = self._download_webpage(url, query)
3131         return self.playlist_result(self._process_page(webpage), playlist_title=query)
3132
3133
3134 class YoutubeShowIE(YoutubePlaylistsBaseInfoExtractor):
3135     IE_DESC = 'YouTube.com (multi-season) shows'
3136     _VALID_URL = r'https?://(?:www\.)?youtube\.com/show/(?P<id>[^?#]*)'
3137     IE_NAME = 'youtube:show'
3138     _TESTS = [{
3139         'url': 'https://www.youtube.com/show/airdisasters',
3140         'playlist_mincount': 5,
3141         'info_dict': {
3142             'id': 'airdisasters',
3143             'title': 'Air Disasters',
3144         }
3145     }]
3146
3147     def _real_extract(self, url):
3148         playlist_id = self._match_id(url)
3149         return super(YoutubeShowIE, self)._real_extract(
3150             'https://www.youtube.com/show/%s/playlists' % playlist_id)
3151
3152
3153 class YoutubeFeedsInfoExtractor(YoutubeBaseInfoExtractor):
3154     """
3155     Base class for feed extractors
3156     Subclasses must define the _FEED_NAME and _PLAYLIST_TITLE properties.
3157     """
3158     _LOGIN_REQUIRED = True
3159
3160     @property
3161     def IE_NAME(self):
3162         return 'youtube:%s' % self._FEED_NAME
3163
3164     def _real_initialize(self):
3165         self._login()
3166
3167     def _entries(self, page):
3168         # The extraction process is the same as for playlists, but the regex
3169         # for the video ids doesn't contain an index
3170         ids = []
3171         more_widget_html = content_html = page
3172         for page_num in itertools.count(1):
3173             matches = re.findall(r'href="\s*/watch\?v=([0-9A-Za-z_-]{11})', content_html)
3174
3175             # 'recommended' feed has infinite 'load more' and each new portion spins
3176             # the same videos in (sometimes) slightly different order, so we'll check
3177             # for unicity and break when portion has no new videos
3178             new_ids = list(filter(lambda video_id: video_id not in ids, orderedSet(matches)))
3179             if not new_ids:
3180                 break
3181
3182             ids.extend(new_ids)
3183
3184             for entry in self._ids_to_results(new_ids):
3185                 yield entry
3186
3187             mobj = re.search(r'data-uix-load-more-href="/?(?P<more>[^"]+)"', more_widget_html)
3188             if not mobj:
3189                 break
3190
3191             more = self._download_json(
3192                 'https://youtube.com/%s' % mobj.group('more'), self._PLAYLIST_TITLE,
3193                 'Downloading page #%s' % page_num,
3194                 transform_source=uppercase_escape)
3195             content_html = more['content_html']
3196             more_widget_html = more['load_more_widget_html']
3197
3198     def _real_extract(self, url):
3199         page = self._download_webpage(
3200             'https://www.youtube.com/feed/%s' % self._FEED_NAME,
3201             self._PLAYLIST_TITLE)
3202         return self.playlist_result(
3203             self._entries(page), playlist_title=self._PLAYLIST_TITLE)
3204
3205
3206 class YoutubeWatchLaterIE(YoutubePlaylistIE):
3207     IE_NAME = 'youtube:watchlater'
3208     IE_DESC = 'Youtube watch later list, ":ytwatchlater" for short (requires authentication)'
3209     _VALID_URL = r'https?://(?:www\.)?youtube\.com/(?:feed/watch_later|(?:playlist|watch)\?(?:.+&)?list=WL)|:ytwatchlater'
3210
3211     _TESTS = [{
3212         'url': 'https://www.youtube.com/playlist?list=WL',
3213         'only_matching': True,
3214     }, {
3215         'url': 'https://www.youtube.com/watch?v=bCNU9TrbiRk&index=1&list=WL',
3216         'only_matching': True,
3217     }]
3218
3219     def _real_extract(self, url):
3220         _, video = self._check_download_just_video(url, 'WL')
3221         if video:
3222             return video
3223         _, playlist = self._extract_playlist('WL')
3224         return playlist
3225
3226
3227 class YoutubeFavouritesIE(YoutubeBaseInfoExtractor):
3228     IE_NAME = 'youtube:favorites'
3229     IE_DESC = 'YouTube.com favourite videos, ":ytfav" for short (requires authentication)'
3230     _VALID_URL = r'https?://(?:www\.)?youtube\.com/my_favorites|:ytfav(?:ou?rites)?'
3231     _LOGIN_REQUIRED = True
3232
3233     def _real_extract(self, url):
3234         webpage = self._download_webpage('https://www.youtube.com/my_favorites', 'Youtube Favourites videos')
3235         playlist_id = self._search_regex(r'list=(.+?)["&]', webpage, 'favourites playlist id')
3236         return self.url_result(playlist_id, 'YoutubePlaylist')
3237
3238
3239 class YoutubeRecommendedIE(YoutubeFeedsInfoExtractor):
3240     IE_DESC = 'YouTube.com recommended videos, ":ytrec" for short (requires authentication)'
3241     _VALID_URL = r'https?://(?:www\.)?youtube\.com/feed/recommended|:ytrec(?:ommended)?'
3242     _FEED_NAME = 'recommended'
3243     _PLAYLIST_TITLE = 'Youtube Recommended videos'
3244
3245
3246 class YoutubeSubscriptionsIE(YoutubeFeedsInfoExtractor):
3247     IE_DESC = 'YouTube.com subscriptions feed, "ytsubs" keyword (requires authentication)'
3248     _VALID_URL = r'https?://(?:www\.)?youtube\.com/feed/subscriptions|:ytsubs(?:criptions)?'
3249     _FEED_NAME = 'subscriptions'
3250     _PLAYLIST_TITLE = 'Youtube Subscriptions'
3251
3252
3253 class YoutubeHistoryIE(YoutubeFeedsInfoExtractor):
3254     IE_DESC = 'Youtube watch history, ":ythistory" for short (requires authentication)'
3255     _VALID_URL = r'https?://(?:www\.)?youtube\.com/feed/history|:ythistory'
3256     _FEED_NAME = 'history'
3257     _PLAYLIST_TITLE = 'Youtube History'
3258
3259
3260 class YoutubeTruncatedURLIE(InfoExtractor):
3261     IE_NAME = 'youtube:truncated_url'
3262     IE_DESC = False  # Do not list
3263     _VALID_URL = r'''(?x)
3264         (?:https?://)?
3265         (?:\w+\.)?[yY][oO][uU][tT][uU][bB][eE](?:-nocookie)?\.com/
3266         (?:watch\?(?:
3267             feature=[a-z_]+|
3268             annotation_id=annotation_[^&]+|
3269             x-yt-cl=[0-9]+|
3270             hl=[^&]*|
3271             t=[0-9]+
3272         )?
3273         |
3274             attribution_link\?a=[^&]+
3275         )
3276         $
3277     '''
3278
3279     _TESTS = [{
3280         'url': 'https://www.youtube.com/watch?annotation_id=annotation_3951667041',
3281         'only_matching': True,
3282     }, {
3283         'url': 'https://www.youtube.com/watch?',
3284         'only_matching': True,
3285     }, {
3286         'url': 'https://www.youtube.com/watch?x-yt-cl=84503534',
3287         'only_matching': True,
3288     }, {
3289         'url': 'https://www.youtube.com/watch?feature=foo',
3290         'only_matching': True,
3291     }, {
3292         'url': 'https://www.youtube.com/watch?hl=en-GB',
3293         'only_matching': True,
3294     }, {
3295         'url': 'https://www.youtube.com/watch?t=2372',
3296         'only_matching': True,
3297     }]
3298
3299     def _real_extract(self, url):
3300         raise ExtractorError(
3301             'Did you forget to quote the URL? Remember that & is a meta '
3302             'character in most shells, so you want to put the URL in quotes, '
3303             'like  youtube-dl '
3304             '"https://www.youtube.com/watch?feature=foo&v=BaW_jenozKc" '
3305             ' or simply  youtube-dl BaW_jenozKc  .',
3306             expected=True)
3307
3308
3309 class YoutubeTruncatedIDIE(InfoExtractor):
3310     IE_NAME = 'youtube:truncated_id'
3311     IE_DESC = False  # Do not list
3312     _VALID_URL = r'https?://(?:www\.)?youtube\.com/watch\?v=(?P<id>[0-9A-Za-z_-]{1,10})$'
3313
3314     _TESTS = [{
3315         'url': 'https://www.youtube.com/watch?v=N_708QY7Ob',
3316         'only_matching': True,
3317     }]
3318
3319     def _real_extract(self, url):
3320         video_id = self._match_id(url)
3321         raise ExtractorError(
3322             'Incomplete YouTube ID %s. URL %s looks truncated.' % (video_id, url),
3323             expected=True)