_ 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     dict_get,
  33     error_to_compat_str,
  34     extract_attributes,
  35     ExtractorError,
  36     float_or_none,
  37     get_element_by_attribute,
  38     get_element_by_id,
  39     int_or_none,
  40     mimetype2ext,
  41     orderedSet,
  42     parse_codecs,
  43     parse_duration,
  44     remove_quotes,
  45     remove_start,
  46     smuggle_url,
  47     str_or_none,
  48     str_to_int,
  49     try_get,
  50     unescapeHTML,
  51     unified_strdate,
  52     unsmuggle_url,
  53     uppercase_escape,
  54     url_or_none,
  55     urlencode_postdata,
  56 )
  57
  58
  59 class YoutubeBaseInfoExtractor(InfoExtractor):
  60     """Provide base functions for Youtube extractors"""
  61     _LOGIN_URL = 'https://accounts.google.com/ServiceLogin'
  62     _TWOFACTOR_URL = 'https://accounts.google.com/signin/challenge'
  63
  64     _LOOKUP_URL = 'https://accounts.google.com/_/signin/sl/lookup'
  65     _CHALLENGE_URL = 'https://accounts.google.com/_/signin/sl/challenge'
  66     _TFA_URL = 'https://accounts.google.com/_/signin/challenge?hl=en&TL={0}'
  67
  68     _NETRC_MACHINE = 'youtube'
  69     # If True it will raise an error if no login info is provided
  70     _LOGIN_REQUIRED = False
  71
  72     _PLAYLIST_ID_RE = r'(?:PL|LL|EC|UU|FL|RD|UL|TL|OLAK5uy_)[0-9A-Za-z-_]{10,}'
  73
  74     def _set_language(self):
  75         self._set_cookie(
  76             '.youtube.com', 'PREF', 'f1=50000000&hl=en',
  77             # YouTube sets the expire time to about two months
  78             expire_time=time.time() + 2 * 30 * 24 * 3600)
  79
  80     def _ids_to_results(self, ids):
  81         return [
  82             self.url_result(vid_id, 'Youtube', video_id=vid_id)
  83             for vid_id in ids]
  84
  85     def _login(self):
  86         """
  87         Attempt to log in to YouTube.
  88         True is returned if successful or skipped.
  89         False is returned if login failed.
  90
  91         If _LOGIN_REQUIRED is set and no authentication was provided, an error is raised.
  92         """
  93         username, password = self._get_login_info()
  94         # No authentication to be performed
  95         if username is None:
  96             if self._LOGIN_REQUIRED and self._downloader.params.get('cookiefile') is None:
  97                 raise ExtractorError('No login info available, needed for using %s.' % self.IE_NAME, expected=True)
  98             return True
  99
 100         login_page = self._download_webpage(
 101             self._LOGIN_URL, None,
 102             note='Downloading login page',
 103             errnote='unable to fetch login page', fatal=False)
 104         if login_page is False:
 105             return
 106
 107         login_form = self._hidden_inputs(login_page)
 108
 109         def req(url, f_req, note, errnote):
 110             data = login_form.copy()
 111             data.update({
 112                 'pstMsg': 1,
 113                 'checkConnection': 'youtube',
 114                 'checkedDomains': 'youtube',
 115                 'hl': 'en',
 116                 'deviceinfo': '[null,null,null,[],null,"US",null,null,[],"GlifWebSignIn",null,[null,null,[]]]',
 117                 'f.req': json.dumps(f_req),
 118                 'flowName': 'GlifWebSignIn',
 119                 'flowEntry': 'ServiceLogin',
 120                 # TODO: reverse actual botguard identifier generation algo
 121                 'bgRequest': '["identifier",""]',
 122             })
 123             return self._download_json(
 124                 url, None, note=note, errnote=errnote,
 125                 transform_source=lambda s: re.sub(r'^[^[]*', '', s),
 126                 fatal=False,
 127                 data=urlencode_postdata(data), headers={
 128                     'Content-Type': 'application/x-www-form-urlencoded;charset=utf-8',
 129                     'Google-Accounts-XSRF': 1,
 130                 })
 131
 132         def warn(message):
 133             self._downloader.report_warning(message)
 134
 135         lookup_req = [
 136             username,
 137             None, [], None, 'US', None, None, 2, False, True,
 138             [
 139                 None, None,
 140                 [2, 1, None, 1,
 141                  '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',
 142                  None, [], 4],
 143                 1, [None, None, []], None, None, None, True
 144             ],
 145             username,
 146         ]
 147
 148         lookup_results = req(
 149             self._LOOKUP_URL, lookup_req,
 150             'Looking up account info', 'Unable to look up account info')
 151
 152         if lookup_results is False:
 153             return False
 154
 155         user_hash = try_get(lookup_results, lambda x: x[0][2], compat_str)
 156         if not user_hash:
 157             warn('Unable to extract user hash')
 158             return False
 159
 160         challenge_req = [
 161             user_hash,
 162             None, 1, None, [1, None, None, None, [password, None, True]],
 163             [
 164                 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],
 165                 1, [None, None, []], None, None, None, True
 166             ]]
 167
 168         challenge_results = req(
 169             self._CHALLENGE_URL, challenge_req,
 170             'Logging in', 'Unable to log in')
 171
 172         if challenge_results is False:
 173             return
 174
 175         login_res = try_get(challenge_results, lambda x: x[0][5], list)
 176         if login_res:
 177             login_msg = try_get(login_res, lambda x: x[5], compat_str)
 178             warn(
 179                 'Unable to login: %s' % 'Invalid password'
 180                 if login_msg == 'INCORRECT_ANSWER_ENTERED' else login_msg)
 181             return False
 182
 183         res = try_get(challenge_results, lambda x: x[0][-1], list)
 184         if not res:
 185             warn('Unable to extract result entry')
 186             return False
 187
 188         login_challenge = try_get(res, lambda x: x[0][0], list)
 189         if login_challenge:
 190             challenge_str = try_get(login_challenge, lambda x: x[2], compat_str)
 191             if challenge_str == 'TWO_STEP_VERIFICATION':
 192                 # SEND_SUCCESS - TFA code has been successfully sent to phone
 193                 # QUOTA_EXCEEDED - reached the limit of TFA codes
 194                 status = try_get(login_challenge, lambda x: x[5], compat_str)
 195                 if status == 'QUOTA_EXCEEDED':
 196                     warn('Exceeded the limit of TFA codes, try later')
 197                     return False
 198
 199                 tl = try_get(challenge_results, lambda x: x[1][2], compat_str)
 200                 if not tl:
 201                     warn('Unable to extract TL')
 202                     return False
 203
 204                 tfa_code = self._get_tfa_info('2-step verification code')
 205
 206                 if not tfa_code:
 207                     warn(
 208                         'Two-factor authentication required. Provide it either interactively or with --twofactor <code>'
 209                         '(Note that only TOTP (Google Authenticator App) codes work at this time.)')
 210                     return False
 211
 212                 tfa_code = remove_start(tfa_code, 'G-')
 213
 214                 tfa_req = [
 215                     user_hash, None, 2, None,
 216                     [
 217                         9, None, None, None, None, None, None, None,
 218                         [None, tfa_code, True, 2]
 219                     ]]
 220
 221                 tfa_results = req(
 222                     self._TFA_URL.format(tl), tfa_req,
 223                     'Submitting TFA code', 'Unable to submit TFA code')
 224
 225                 if tfa_results is False:
 226                     return False
 227
 228                 tfa_res = try_get(tfa_results, lambda x: x[0][5], list)
 229                 if tfa_res:
 230                     tfa_msg = try_get(tfa_res, lambda x: x[5], compat_str)
 231                     warn(
 232                         'Unable to finish TFA: %s' % 'Invalid TFA code'
 233                         if tfa_msg == 'INCORRECT_ANSWER_ENTERED' else tfa_msg)
 234                     return False
 235
 236                 check_cookie_url = try_get(
 237                     tfa_results, lambda x: x[0][-1][2], compat_str)
 238             else:
 239                 CHALLENGES = {
 240                     'LOGIN_CHALLENGE': "This device isn't recognized. For your security, Google wants to make sure it's really you.",
 241                     'USERNAME_RECOVERY': 'Please provide additional information to aid in the recovery process.',
 242                     'REAUTH': "There is something unusual about your activity. For your security, Google wants to make sure it's really you.",
 243                 }
 244                 challenge = CHALLENGES.get(
 245                     challenge_str,
 246                     '%s returned error %s.' % (self.IE_NAME, challenge_str))
 247                 warn('%s\nGo to https://accounts.google.com/, login and solve a challenge.' % challenge)
 248                 return False
 249         else:
 250             check_cookie_url = try_get(res, lambda x: x[2], compat_str)
 251
 252         if not check_cookie_url:
 253             warn('Unable to extract CheckCookie URL')
 254             return False
 255
 256         check_cookie_results = self._download_webpage(
 257             check_cookie_url, None, 'Checking cookie', fatal=False)
 258
 259         if check_cookie_results is False:
 260             return False
 261
 262         if 'https://myaccount.google.com/' not in check_cookie_results:
 263             warn('Unable to log in')
 264             return False
 265
 266         return True
 267
 268     def _download_webpage_handle(self, *args, **kwargs):
 269         query = kwargs.get('query', {}).copy()
 270         query['disable_polymer'] = 'true'
 271         kwargs['query'] = query
 272         return super(YoutubeBaseInfoExtractor, self)._download_webpage_handle(
 273             *args, **compat_kwargs(kwargs))
 274
 275     def _real_initialize(self):
 276         if self._downloader is None:
 277             return
 278         self._set_language()
 279         if not self._login():
 280             return
 281
 282
 283 class YoutubeEntryListBaseInfoExtractor(YoutubeBaseInfoExtractor):
 284     # Extract entries from page with "Load more" button
 285     def _entries(self, page, playlist_id):
 286         more_widget_html = content_html = page
 287         for page_num in itertools.count(1):
 288             for entry in self._process_page(content_html):
 289                 yield entry
 290
 291             mobj = re.search(r'data-uix-load-more-href="/?(?P<more>[^"]+)"', more_widget_html)
 292             if not mobj:
 293                 break
 294
 295             count = 0
 296             retries = 3
 297             while count <= retries:
 298                 try:
 299                     # Downloading page may result in intermittent 5xx HTTP error
 300                     # that is usually worked around with a retry
 301                     more = self._download_json(
 302                         'https://youtube.com/%s' % mobj.group('more'), playlist_id,
 303                         'Downloading page #%s%s'
 304                         % (page_num, ' (retry #%d)' % count if count else ''),
 305                         transform_source=uppercase_escape)
 306                     break
 307                 except ExtractorError as e:
 308                     if isinstance(e.cause, compat_HTTPError) and e.cause.code in (500, 503):
 309                         count += 1
 310                         if count <= retries:
 311                             continue
 312                     raise
 313
 314             content_html = more['content_html']
 315             if not content_html.strip():
 316                 # Some webpages show a "Load more" button but they don't
 317                 # have more videos
 318                 break
 319             more_widget_html = more['load_more_widget_html']
 320
 321
 322 class YoutubePlaylistBaseInfoExtractor(YoutubeEntryListBaseInfoExtractor):
 323     def _process_page(self, content):
 324         for video_id, video_title in self.extract_videos_from_page(content):
 325             yield self.url_result(video_id, 'Youtube', video_id, video_title)
 326
 327     def extract_videos_from_page_impl(self, video_re, page, ids_in_page, titles_in_page):
 328         for mobj in re.finditer(video_re, page):
 329             # The link with index 0 is not the first video of the playlist (not sure if still actual)
 330             if 'index' in mobj.groupdict() and mobj.group('id') == '0':
 331                 continue
 332             video_id = mobj.group('id')
 333             video_title = unescapeHTML(
 334                 mobj.group('title')) if 'title' in mobj.groupdict() else None
 335             if video_title:
 336                 video_title = video_title.strip()
 337             if video_title == '► Play all':
 338                 video_title = None
 339             try:
 340                 idx = ids_in_page.index(video_id)
 341                 if video_title and not titles_in_page[idx]:
 342                     titles_in_page[idx] = video_title
 343             except ValueError:
 344                 ids_in_page.append(video_id)
 345                 titles_in_page.append(video_title)
 346
 347     def extract_videos_from_page(self, page):
 348         ids_in_page = []
 349         titles_in_page = []
 350         self.extract_videos_from_page_impl(
 351             self._VIDEO_RE, page, ids_in_page, titles_in_page)
 352         return zip(ids_in_page, titles_in_page)
 353
 354
 355 class YoutubePlaylistsBaseInfoExtractor(YoutubeEntryListBaseInfoExtractor):
 356     def _process_page(self, content):
 357         for playlist_id in orderedSet(re.findall(
 358                 r'<h3[^>]+class="[^"]*yt-lockup-title[^"]*"[^>]*><a[^>]+href="/?playlist\?list=([0-9A-Za-z-_]{10,})"',
 359                 content)):
 360             yield self.url_result(
 361                 'https://www.youtube.com/playlist?list=%s' % playlist_id, 'YoutubePlaylist')
 362
 363     def _real_extract(self, url):
 364         playlist_id = self._match_id(url)
 365         webpage = self._download_webpage(url, playlist_id)
 366         title = self._og_search_title(webpage, fatal=False)
 367         return self.playlist_result(self._entries(webpage, playlist_id), playlist_id, title)
 368
 369
 370 class YoutubeIE(YoutubeBaseInfoExtractor):
 371     IE_DESC = 'YouTube.com'
 372     _VALID_URL = r"""(?x)^
 373                      (
 374                          (?:https?://|//)                                    # http(s):// or protocol-independent URL
 375                          (?:(?:(?:(?:\w+\.)?[yY][oO][uU][tT][uU][bB][eE](?:-nocookie)?\.com/|
 376                             (?:www\.)?deturl\.com/www\.youtube\.com/|
 377                             (?:www\.)?pwnyoutube\.com/|
 378                             (?:www\.)?hooktube\.com/|
 379                             (?:www\.)?yourepeat\.com/|
 380                             tube\.majestyc\.net/|
 381                             # Invidious instances taken from https://github.com/omarroth/invidious/wiki/Invidious-Instances
 382                             (?:(?:www|dev)\.)?invidio\.us/|
 383                             (?:(?:www|no)\.)?invidiou\.sh/|
 384                             (?:(?:www|fi|de)\.)?invidious\.snopyta\.org/|
 385                             (?:www\.)?invidious\.kabi\.tk/|
 386                             (?:www\.)?invidious\.enkirton\.net/|
 387                             (?:www\.)?invidious\.13ad\.de/|
 388                             (?:www\.)?invidious\.mastodon\.host/|
 389                             (?:www\.)?invidious\.nixnet\.xyz/|
 390                             (?:www\.)?invidious\.drycat\.fr/|
 391                             (?:www\.)?tube\.poal\.co/|
 392                             (?:www\.)?vid\.wxzm\.sx/|
 393                             (?:www\.)?yt\.elukerio\.org/|
 394                             (?:www\.)?kgg2m7yk5aybusll\.onion/|
 395                             (?:www\.)?qklhadlycap4cnod\.onion/|
 396                             (?:www\.)?axqzx4s6s54s32yentfqojs3x5i7faxza6xo3ehd4bzzsg2ii4fv2iid\.onion/|
 397                             (?:www\.)?c7hqkpkpemu6e7emz5b4vyz7idjgdvgaaa3dyimmeojqbgpea3xqjoid\.onion/|
 398                             (?:www\.)?fz253lmuao3strwbfbmx46yu7acac2jz27iwtorgmbqlkurlclmancad\.onion/|
 399                             (?:www\.)?invidious\.l4qlywnpwqsluw65ts7md3khrivpirse744un3x7mlskqauz5pyuzgqd\.onion/|
 400                             youtube\.googleapis\.com/)                        # the various hostnames, with wildcard subdomains
 401                          (?:.*?\#/)?                                          # handle anchor (#/) redirect urls
 402                          (?:                                                  # the various things that can precede the ID:
 403                              (?:(?:v|embed|e)/(?!videoseries))                # v/ or embed/ or e/
 404                              |(?:                                             # or the v= param in all its forms
 405                                  (?:(?:watch|movie)(?:_popup)?(?:\.php)?/?)?  # preceding watch(_popup|.php) or nothing (like /?v=xxxx)
 406                                  (?:\?|\#!?)                                  # the params delimiter ? or # or #!
 407                                  (?:.*?[&;])??                                # any other preceding param (like /?s=tuff&v=xxxx or ?s=tuff&amp;v=V36LpHqtcDY)
 408                                  v=
 409                              )
 410                          ))
 411                          |(?:
 412                             youtu\.be|                                        # just youtu.be/xxxx
 413                             vid\.plus|                                        # or vid.plus/xxxx
 414                             zwearz\.com/watch|                                # or zwearz.com/watch/xxxx
 415                          )/
 416                          |(?:www\.)?cleanvideosearch\.com/media/action/yt/watch\?videoId=
 417                          )
 418                      )?                                                       # all until now is optional -> you can pass the naked ID
 419                      ([0-9A-Za-z_-]{11})                                      # here is it! the YouTube video ID
 420                      (?!.*?\blist=
 421                         (?:
 422                             %(playlist_id)s|                                  # combined list/video URLs are handled by the playlist IE
 423                             WL                                                # WL are handled by the watch later IE
 424                         )
 425                      )
 426                      (?(1).+)?                                                # if we found the ID, everything can follow
 427                      $""" % {'playlist_id': YoutubeBaseInfoExtractor._PLAYLIST_ID_RE}
 428     _NEXT_URL_RE = r'[\?&]next_url=([^&]+)'
 429     _formats = {
 430         '5': {'ext': 'flv', 'width': 400, 'height': 240, 'acodec': 'mp3', 'abr': 64, 'vcodec': 'h263'},
 431         '6': {'ext': 'flv', 'width': 450, 'height': 270, 'acodec': 'mp3', 'abr': 64, 'vcodec': 'h263'},
 432         '13': {'ext': '3gp', 'acodec': 'aac', 'vcodec': 'mp4v'},
 433         '17': {'ext': '3gp', 'width': 176, 'height': 144, 'acodec': 'aac', 'abr': 24, 'vcodec': 'mp4v'},
 434         '18': {'ext': 'mp4', 'width': 640, 'height': 360, 'acodec': 'aac', 'abr': 96, 'vcodec': 'h264'},
 435         '22': {'ext': 'mp4', 'width': 1280, 'height': 720, 'acodec': 'aac', 'abr': 192, 'vcodec': 'h264'},
 436         '34': {'ext': 'flv', 'width': 640, 'height': 360, 'acodec': 'aac', 'abr': 128, 'vcodec': 'h264'},
 437         '35': {'ext': 'flv', 'width': 854, 'height': 480, 'acodec': 'aac', 'abr': 128, 'vcodec': 'h264'},
 438         # itag 36 videos are either 320x180 (BaW_jenozKc) or 320x240 (__2ABJjxzNo), abr varies as well
 439         '36': {'ext': '3gp', 'width': 320, 'acodec': 'aac', 'vcodec': 'mp4v'},
 440         '37': {'ext': 'mp4', 'width': 1920, 'height': 1080, 'acodec': 'aac', 'abr': 192, 'vcodec': 'h264'},
 441         '38': {'ext': 'mp4', 'width': 4096, 'height': 3072, 'acodec': 'aac', 'abr': 192, 'vcodec': 'h264'},
 442         '43': {'ext': 'webm', 'width': 640, 'height': 360, 'acodec': 'vorbis', 'abr': 128, 'vcodec': 'vp8'},
 443         '44': {'ext': 'webm', 'width': 854, 'height': 480, 'acodec': 'vorbis', 'abr': 128, 'vcodec': 'vp8'},
 444         '45': {'ext': 'webm', 'width': 1280, 'height': 720, 'acodec': 'vorbis', 'abr': 192, 'vcodec': 'vp8'},
 445         '46': {'ext': 'webm', 'width': 1920, 'height': 1080, 'acodec': 'vorbis', 'abr': 192, 'vcodec': 'vp8'},
 446         '59': {'ext': 'mp4', 'width': 854, 'height': 480, 'acodec': 'aac', 'abr': 128, 'vcodec': 'h264'},
 447         '78': {'ext': 'mp4', 'width': 854, 'height': 480, 'acodec': 'aac', 'abr': 128, 'vcodec': 'h264'},
 448
 449
 450         # 3D videos
 451         '82': {'ext': 'mp4', 'height': 360, 'format_note': '3D', 'acodec': 'aac', 'abr': 128, 'vcodec': 'h264', 'preference': -20},
 452         '83': {'ext': 'mp4', 'height': 480, 'format_note': '3D', 'acodec': 'aac', 'abr': 128, 'vcodec': 'h264', 'preference': -20},
 453         '84': {'ext': 'mp4', 'height': 720, 'format_note': '3D', 'acodec': 'aac', 'abr': 192, 'vcodec': 'h264', 'preference': -20},
 454         '85': {'ext': 'mp4', 'height': 1080, 'format_note': '3D', 'acodec': 'aac', 'abr': 192, 'vcodec': 'h264', 'preference': -20},
 455         '100': {'ext': 'webm', 'height': 360, 'format_note': '3D', 'acodec': 'vorbis', 'abr': 128, 'vcodec': 'vp8', 'preference': -20},
 456         '101': {'ext': 'webm', 'height': 480, 'format_note': '3D', 'acodec': 'vorbis', 'abr': 192, 'vcodec': 'vp8', 'preference': -20},
 457         '102': {'ext': 'webm', 'height': 720, 'format_note': '3D', 'acodec': 'vorbis', 'abr': 192, 'vcodec': 'vp8', 'preference': -20},
 458
 459         # Apple HTTP Live Streaming
 460         '91': {'ext': 'mp4', 'height': 144, 'format_note': 'HLS', 'acodec': 'aac', 'abr': 48, 'vcodec': 'h264', 'preference': -10},
 461         '92': {'ext': 'mp4', 'height': 240, 'format_note': 'HLS', 'acodec': 'aac', 'abr': 48, 'vcodec': 'h264', 'preference': -10},
 462         '93': {'ext': 'mp4', 'height': 360, 'format_note': 'HLS', 'acodec': 'aac', 'abr': 128, 'vcodec': 'h264', 'preference': -10},
 463         '94': {'ext': 'mp4', 'height': 480, 'format_note': 'HLS', 'acodec': 'aac', 'abr': 128, 'vcodec': 'h264', 'preference': -10},
 464         '95': {'ext': 'mp4', 'height': 720, 'format_note': 'HLS', 'acodec': 'aac', 'abr': 256, 'vcodec': 'h264', 'preference': -10},
 465         '96': {'ext': 'mp4', 'height': 1080, 'format_note': 'HLS', 'acodec': 'aac', 'abr': 256, 'vcodec': 'h264', 'preference': -10},
 466         '132': {'ext': 'mp4', 'height': 240, 'format_note': 'HLS', 'acodec': 'aac', 'abr': 48, 'vcodec': 'h264', 'preference': -10},
 467         '151': {'ext': 'mp4', 'height': 72, 'format_note': 'HLS', 'acodec': 'aac', 'abr': 24, 'vcodec': 'h264', 'preference': -10},
 468
 469         # DASH mp4 video
 470         '133': {'ext': 'mp4', 'height': 240, 'format_note': 'DASH video', 'vcodec': 'h264'},
 471         '134': {'ext': 'mp4', 'height': 360, 'format_note': 'DASH video', 'vcodec': 'h264'},
 472         '135': {'ext': 'mp4', 'height': 480, 'format_note': 'DASH video', 'vcodec': 'h264'},
 473         '136': {'ext': 'mp4', 'height': 720, 'format_note': 'DASH video', 'vcodec': 'h264'},
 474         '137': {'ext': 'mp4', 'height': 1080, 'format_note': 'DASH video', 'vcodec': 'h264'},
 475         '138': {'ext': 'mp4', 'format_note': 'DASH video', 'vcodec': 'h264'},  # Height can vary (https://github.com/ytdl-org/youtube-dl/issues/4559)
 476         '160': {'ext': 'mp4', 'height': 144, 'format_note': 'DASH video', 'vcodec': 'h264'},
 477         '212': {'ext': 'mp4', 'height': 480, 'format_note': 'DASH video', 'vcodec': 'h264'},
 478         '264': {'ext': 'mp4', 'height': 1440, 'format_note': 'DASH video', 'vcodec': 'h264'},
 479         '298': {'ext': 'mp4', 'height': 720, 'format_note': 'DASH video', 'vcodec': 'h264', 'fps': 60},
 480         '299': {'ext': 'mp4', 'height': 1080, 'format_note': 'DASH video', 'vcodec': 'h264', 'fps': 60},
 481         '266': {'ext': 'mp4', 'height': 2160, 'format_note': 'DASH video', 'vcodec': 'h264'},
 482
 483         # Dash mp4 audio
 484         '139': {'ext': 'm4a', 'format_note': 'DASH audio', 'acodec': 'aac', 'abr': 48, 'container': 'm4a_dash'},
 485         '140': {'ext': 'm4a', 'format_note': 'DASH audio', 'acodec': 'aac', 'abr': 128, 'container': 'm4a_dash'},
 486         '141': {'ext': 'm4a', 'format_note': 'DASH audio', 'acodec': 'aac', 'abr': 256, 'container': 'm4a_dash'},
 487         '256': {'ext': 'm4a', 'format_note': 'DASH audio', 'acodec': 'aac', 'container': 'm4a_dash'},
 488         '258': {'ext': 'm4a', 'format_note': 'DASH audio', 'acodec': 'aac', 'container': 'm4a_dash'},
 489         '325': {'ext': 'm4a', 'format_note': 'DASH audio', 'acodec': 'dtse', 'container': 'm4a_dash'},
 490         '328': {'ext': 'm4a', 'format_note': 'DASH audio', 'acodec': 'ec-3', 'container': 'm4a_dash'},
 491
 492         # Dash webm
 493         '167': {'ext': 'webm', 'height': 360, 'width': 640, 'format_note': 'DASH video', 'container': 'webm', 'vcodec': 'vp8'},
 494         '168': {'ext': 'webm', 'height': 480, 'width': 854, 'format_note': 'DASH video', 'container': 'webm', 'vcodec': 'vp8'},
 495         '169': {'ext': 'webm', 'height': 720, 'width': 1280, 'format_note': 'DASH video', 'container': 'webm', 'vcodec': 'vp8'},
 496         '170': {'ext': 'webm', 'height': 1080, 'width': 1920, 'format_note': 'DASH video', 'container': 'webm', 'vcodec': 'vp8'},
 497         '218': {'ext': 'webm', 'height': 480, 'width': 854, 'format_note': 'DASH video', 'container': 'webm', 'vcodec': 'vp8'},
 498         '219': {'ext': 'webm', 'height': 480, 'width': 854, 'format_note': 'DASH video', 'container': 'webm', 'vcodec': 'vp8'},
 499         '278': {'ext': 'webm', 'height': 144, 'format_note': 'DASH video', 'container': 'webm', 'vcodec': 'vp9'},
 500         '242': {'ext': 'webm', 'height': 240, 'format_note': 'DASH video', 'vcodec': 'vp9'},
 501         '243': {'ext': 'webm', 'height': 360, 'format_note': 'DASH video', 'vcodec': 'vp9'},
 502         '244': {'ext': 'webm', 'height': 480, 'format_note': 'DASH video', 'vcodec': 'vp9'},
 503         '245': {'ext': 'webm', 'height': 480, 'format_note': 'DASH video', 'vcodec': 'vp9'},
 504         '246': {'ext': 'webm', 'height': 480, 'format_note': 'DASH video', 'vcodec': 'vp9'},
 505         '247': {'ext': 'webm', 'height': 720, 'format_note': 'DASH video', 'vcodec': 'vp9'},
 506         '248': {'ext': 'webm', 'height': 1080, 'format_note': 'DASH video', 'vcodec': 'vp9'},
 507         '271': {'ext': 'webm', 'height': 1440, 'format_note': 'DASH video', 'vcodec': 'vp9'},
 508         # itag 272 videos are either 3840x2160 (e.g. RtoitU2A-3E) or 7680x4320 (sLprVF6d7Ug)
 509         '272': {'ext': 'webm', 'height': 2160, 'format_note': 'DASH video', 'vcodec': 'vp9'},
 510         '302': {'ext': 'webm', 'height': 720, 'format_note': 'DASH video', 'vcodec': 'vp9', 'fps': 60},
 511         '303': {'ext': 'webm', 'height': 1080, 'format_note': 'DASH video', 'vcodec': 'vp9', 'fps': 60},
 512         '308': {'ext': 'webm', 'height': 1440, 'format_note': 'DASH video', 'vcodec': 'vp9', 'fps': 60},
 513         '313': {'ext': 'webm', 'height': 2160, 'format_note': 'DASH video', 'vcodec': 'vp9'},
 514         '315': {'ext': 'webm', 'height': 2160, 'format_note': 'DASH video', 'vcodec': 'vp9', 'fps': 60},
 515
 516         # Dash webm audio
 517         '171': {'ext': 'webm', 'acodec': 'vorbis', 'format_note': 'DASH audio', 'abr': 128},
 518         '172': {'ext': 'webm', 'acodec': 'vorbis', 'format_note': 'DASH audio', 'abr': 256},
 519
 520         # Dash webm audio with opus inside
 521         '249': {'ext': 'webm', 'format_note': 'DASH audio', 'acodec': 'opus', 'abr': 50},
 522         '250': {'ext': 'webm', 'format_note': 'DASH audio', 'acodec': 'opus', 'abr': 70},
 523         '251': {'ext': 'webm', 'format_note': 'DASH audio', 'acodec': 'opus', 'abr': 160},
 524
 525         # RTMP (unnamed)
 526         '_rtmp': {'protocol': 'rtmp'},
 527
 528         # av01 video only formats sometimes served with "unknown" codecs
 529         '394': {'acodec': 'none', 'vcodec': 'av01.0.05M.08'},
 530         '395': {'acodec': 'none', 'vcodec': 'av01.0.05M.08'},
 531         '396': {'acodec': 'none', 'vcodec': 'av01.0.05M.08'},
 532         '397': {'acodec': 'none', 'vcodec': 'av01.0.05M.08'},
 533     }
 534     _SUBTITLE_FORMATS = ('srv1', 'srv2', 'srv3', 'ttml', 'vtt')
 535
 536     _GEO_BYPASS = False
 537
 538     IE_NAME = 'youtube'
 539     _TESTS = [
 540         {
 541             'url': 'https://www.youtube.com/watch?v=BaW_jenozKc&t=1s&end=9',
 542             'info_dict': {
 543                 'id': 'BaW_jenozKc',
 544                 'ext': 'mp4',
 545                 'title': 'youtube-dl test video "\'/\\ä↭𝕐',
 546                 'uploader': 'Philipp Hagemeister',
 547                 'uploader_id': 'phihag',
 548                 'uploader_url': r're:https?://(?:www\.)?youtube\.com/user/phihag',
 549                 'channel_id': 'UCLqxVugv74EIW3VWh2NOa3Q',
 550                 'channel_url': r're:https?://(?:www\.)?youtube\.com/channel/UCLqxVugv74EIW3VWh2NOa3Q',
 551                 'upload_date': '20121002',
 552                 '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 .',
 553                 'categories': ['Science & Technology'],
 554                 'tags': ['youtube-dl'],
 555                 'duration': 10,
 556                 'view_count': int,
 557                 'like_count': int,
 558                 'dislike_count': int,
 559                 'start_time': 1,
 560                 'end_time': 9,
 561             }
 562         },
 563         {
 564             'url': 'https://www.youtube.com/watch?v=UxxajLWwzqY',
 565             'note': 'Test generic use_cipher_signature video (#897)',
 566             'info_dict': {
 567                 'id': 'UxxajLWwzqY',
 568                 'ext': 'mp4',
 569                 'upload_date': '20120506',
 570                 'title': 'Icona Pop - I Love It (feat. Charli XCX) [OFFICIAL VIDEO]',
 571                 'alt_title': 'I Love It (feat. Charli XCX)',
 572                 'description': 'md5:f3ceb5ef83a08d95b9d146f973157cc8',
 573                 'tags': ['Icona Pop i love it', 'sweden', 'pop music', 'big beat records', 'big beat', 'charli',
 574                          'xcx', 'charli xcx', 'girls', 'hbo', 'i love it', "i don't care", 'icona', 'pop',
 575                          'iconic ep', 'iconic', 'love', 'it'],
 576                 'duration': 180,
 577                 'uploader': 'Icona Pop',
 578                 'uploader_id': 'IconaPop',
 579                 'uploader_url': r're:https?://(?:www\.)?youtube\.com/user/IconaPop',
 580                 'creator': 'Icona Pop',
 581                 'track': 'I Love It (feat. Charli XCX)',
 582                 'artist': 'Icona Pop',
 583             }
 584         },
 585         {
 586             'url': 'https://www.youtube.com/watch?v=07FYdnEawAQ',
 587             'note': 'Test VEVO video with age protection (#956)',
 588             'info_dict': {
 589                 'id': '07FYdnEawAQ',
 590                 'ext': 'mp4',
 591                 'upload_date': '20130703',
 592                 'title': 'Justin Timberlake - Tunnel Vision (Official Music Video) (Explicit)',
 593                 'alt_title': 'Tunnel Vision',
 594                 'description': 'md5:07dab3356cde4199048e4c7cd93471e1',
 595                 'duration': 419,
 596                 'uploader': 'justintimberlakeVEVO',
 597                 'uploader_id': 'justintimberlakeVEVO',
 598                 'uploader_url': r're:https?://(?:www\.)?youtube\.com/user/justintimberlakeVEVO',
 599                 'creator': 'Justin Timberlake',
 600                 'track': 'Tunnel Vision',
 601                 'artist': 'Justin Timberlake',
 602                 'age_limit': 18,
 603             }
 604         },
 605         {
 606             'url': '//www.YouTube.com/watch?v=yZIXLfi8CZQ',
 607             'note': 'Embed-only video (#1746)',
 608             'info_dict': {
 609                 'id': 'yZIXLfi8CZQ',
 610                 'ext': 'mp4',
 611                 'upload_date': '20120608',
 612                 'title': 'Principal Sexually Assaults A Teacher - Episode 117 - 8th June 2012',
 613                 'description': 'md5:09b78bd971f1e3e289601dfba15ca4f7',
 614                 'uploader': 'SET India',
 615                 'uploader_id': 'setindia',
 616                 'uploader_url': r're:https?://(?:www\.)?youtube\.com/user/setindia',
 617                 'age_limit': 18,
 618             }
 619         },
 620         {
 621             'url': 'https://www.youtube.com/watch?v=BaW_jenozKc&v=UxxajLWwzqY',
 622             'note': 'Use the first video ID in the URL',
 623             'info_dict': {
 624                 'id': 'BaW_jenozKc',
 625                 'ext': 'mp4',
 626                 'title': 'youtube-dl test video "\'/\\ä↭𝕐',
 627                 'uploader': 'Philipp Hagemeister',
 628                 'uploader_id': 'phihag',
 629                 'uploader_url': r're:https?://(?:www\.)?youtube\.com/user/phihag',
 630                 'upload_date': '20121002',
 631                 '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 .',
 632                 'categories': ['Science & Technology'],
 633                 'tags': ['youtube-dl'],
 634                 'duration': 10,
 635                 'view_count': int,
 636                 'like_count': int,
 637                 'dislike_count': int,
 638             },
 639             'params': {
 640                 'skip_download': True,
 641             },
 642         },
 643         {
 644             'url': 'https://www.youtube.com/watch?v=a9LDPn-MO4I',
 645             'note': '256k DASH audio (format 141) via DASH manifest',
 646             'info_dict': {
 647                 'id': 'a9LDPn-MO4I',
 648                 'ext': 'm4a',
 649                 'upload_date': '20121002',
 650                 'uploader_id': '8KVIDEO',
 651                 'uploader_url': r're:https?://(?:www\.)?youtube\.com/user/8KVIDEO',
 652                 'description': '',
 653                 'uploader': '8KVIDEO',
 654                 'title': 'UHDTV TEST 8K VIDEO.mp4'
 655             },
 656             'params': {
 657                 'youtube_include_dash_manifest': True,
 658                 'format': '141',
 659             },
 660             'skip': 'format 141 not served anymore',
 661         },
 662         # DASH manifest with encrypted signature
 663         {
 664             'url': 'https://www.youtube.com/watch?v=IB3lcPjvWLA',
 665             'info_dict': {
 666                 'id': 'IB3lcPjvWLA',
 667                 'ext': 'm4a',
 668                 'title': 'Afrojack, Spree Wilson - The Spark (Official Music Video) ft. Spree Wilson',
 669                 'description': 'md5:8f5e2b82460520b619ccac1f509d43bf',
 670                 'duration': 244,
 671                 'uploader': 'AfrojackVEVO',
 672                 'uploader_id': 'AfrojackVEVO',
 673                 'upload_date': '20131011',
 674             },
 675             'params': {
 676                 'youtube_include_dash_manifest': True,
 677                 'format': '141/bestaudio[ext=m4a]',
 678             },
 679         },
 680         # JS player signature function name containing $
 681         {
 682             'url': 'https://www.youtube.com/watch?v=nfWlot6h_JM',
 683             'info_dict': {
 684                 'id': 'nfWlot6h_JM',
 685                 'ext': 'm4a',
 686                 'title': 'Taylor Swift - Shake It Off',
 687                 'description': 'md5:bec2185232c05479482cb5a9b82719bf',
 688                 'duration': 242,
 689                 'uploader': 'TaylorSwiftVEVO',
 690                 'uploader_id': 'TaylorSwiftVEVO',
 691                 'upload_date': '20140818',
 692                 'creator': 'Taylor Swift',
 693             },
 694             'params': {
 695                 'youtube_include_dash_manifest': True,
 696                 'format': '141/bestaudio[ext=m4a]',
 697             },
 698         },
 699         # Controversy video
 700         {
 701             'url': 'https://www.youtube.com/watch?v=T4XJQO3qol8',
 702             'info_dict': {
 703                 'id': 'T4XJQO3qol8',
 704                 'ext': 'mp4',
 705                 'duration': 219,
 706                 'upload_date': '20100909',
 707                 'uploader': 'Amazing Atheist',
 708                 'uploader_id': 'TheAmazingAtheist',
 709                 'uploader_url': r're:https?://(?:www\.)?youtube\.com/user/TheAmazingAtheist',
 710                 'title': 'Burning Everyone\'s Koran',
 711                 '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',
 712             }
 713         },
 714         # Normal age-gate video (No vevo, embed allowed)
 715         {
 716             'url': 'https://youtube.com/watch?v=HtVdAasjOgU',
 717             'info_dict': {
 718                 'id': 'HtVdAasjOgU',
 719                 'ext': 'mp4',
 720                 'title': 'The Witcher 3: Wild Hunt - The Sword Of Destiny Trailer',
 721                 'description': r're:(?s).{100,}About the Game\n.*?The Witcher 3: Wild Hunt.{100,}',
 722                 'duration': 142,
 723                 'uploader': 'The Witcher',
 724                 'uploader_id': 'WitcherGame',
 725                 'uploader_url': r're:https?://(?:www\.)?youtube\.com/user/WitcherGame',
 726                 'upload_date': '20140605',
 727                 'age_limit': 18,
 728             },
 729         },
 730         # Age-gate video with encrypted signature
 731         {
 732             'url': 'https://www.youtube.com/watch?v=6kLq3WMV1nU',
 733             'info_dict': {
 734                 'id': '6kLq3WMV1nU',
 735                 'ext': 'mp4',
 736                 'title': 'Dedication To My Ex (Miss That) (Lyric Video)',
 737                 'description': 'md5:33765bb339e1b47e7e72b5490139bb41',
 738                 'duration': 246,
 739                 'uploader': 'LloydVEVO',
 740                 'uploader_id': 'LloydVEVO',
 741                 'uploader_url': r're:https?://(?:www\.)?youtube\.com/user/LloydVEVO',
 742                 'upload_date': '20110629',
 743                 'age_limit': 18,
 744             },
 745         },
 746         # video_info is None (https://github.com/ytdl-org/youtube-dl/issues/4421)
 747         # YouTube Red ad is not captured for creator
 748         {
 749             'url': '__2ABJjxzNo',
 750             'info_dict': {
 751                 'id': '__2ABJjxzNo',
 752                 'ext': 'mp4',
 753                 'duration': 266,
 754                 'upload_date': '20100430',
 755                 'uploader_id': 'deadmau5',
 756                 'uploader_url': r're:https?://(?:www\.)?youtube\.com/user/deadmau5',
 757                 'creator': 'deadmau5',
 758                 'description': 'md5:12c56784b8032162bb936a5f76d55360',
 759                 'uploader': 'deadmau5',
 760                 'title': 'Deadmau5 - Some Chords (HD)',
 761                 'alt_title': 'Some Chords',
 762             },
 763             'expected_warnings': [
 764                 'DASH manifest missing',
 765             ]
 766         },
 767         # Olympics (https://github.com/ytdl-org/youtube-dl/issues/4431)
 768         {
 769             'url': 'lqQg6PlCWgI',
 770             'info_dict': {
 771                 'id': 'lqQg6PlCWgI',
 772                 'ext': 'mp4',
 773                 'duration': 6085,
 774                 'upload_date': '20150827',
 775                 'uploader_id': 'olympic',
 776                 'uploader_url': r're:https?://(?:www\.)?youtube\.com/user/olympic',
 777                 'description': 'HO09  - Women -  GER-AUS - Hockey - 31 July 2012 - London 2012 Olympic Games',
 778                 'uploader': 'Olympic',
 779                 'title': 'Hockey - Women -  GER-AUS - London 2012 Olympic Games',
 780             },
 781             'params': {
 782                 'skip_download': 'requires avconv',
 783             }
 784         },
 785         # Non-square pixels
 786         {
 787             'url': 'https://www.youtube.com/watch?v=_b-2C3KPAM0',
 788             'info_dict': {
 789                 'id': '_b-2C3KPAM0',
 790                 'ext': 'mp4',
 791                 'stretched_ratio': 16 / 9.,
 792                 'duration': 85,
 793                 'upload_date': '20110310',
 794                 'uploader_id': 'AllenMeow',
 795                 'uploader_url': r're:https?://(?:www\.)?youtube\.com/user/AllenMeow',
 796                 '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',
 797                 'uploader': '孫ᄋᄅ',
 798                 'title': '[A-made] 變態妍字幕版 太妍 我就是這樣的人',
 799             },
 800         },
 801         # url_encoded_fmt_stream_map is empty string
 802         {
 803             'url': 'qEJwOuvDf7I',
 804             'info_dict': {
 805                 'id': 'qEJwOuvDf7I',
 806                 'ext': 'webm',
 807                 'title': 'Обсуждение судебной практики по выборам 14 сентября 2014 года в Санкт-Петербурге',
 808                 'description': '',
 809                 'upload_date': '20150404',
 810                 'uploader_id': 'spbelect',
 811                 'uploader': 'Наблюдатели Петербурга',
 812             },
 813             'params': {
 814                 'skip_download': 'requires avconv',
 815             },
 816             'skip': 'This live event has ended.',
 817         },
 818         # Extraction from multiple DASH manifests (https://github.com/ytdl-org/youtube-dl/pull/6097)
 819         {
 820             'url': 'https://www.youtube.com/watch?v=FIl7x6_3R5Y',
 821             'info_dict': {
 822                 'id': 'FIl7x6_3R5Y',
 823                 'ext': 'webm',
 824                 'title': 'md5:7b81415841e02ecd4313668cde88737a',
 825                 'description': 'md5:116377fd2963b81ec4ce64b542173306',
 826                 'duration': 220,
 827                 'upload_date': '20150625',
 828                 'uploader_id': 'dorappi2000',
 829                 'uploader_url': r're:https?://(?:www\.)?youtube\.com/user/dorappi2000',
 830                 'uploader': 'dorappi2000',
 831                 'formats': 'mincount:31',
 832             },
 833             'skip': 'not actual anymore',
 834         },
 835         # DASH manifest with segment_list
 836         {
 837             'url': 'https://www.youtube.com/embed/CsmdDsKjzN8',
 838             'md5': '8ce563a1d667b599d21064e982ab9e31',
 839             'info_dict': {
 840                 'id': 'CsmdDsKjzN8',
 841                 'ext': 'mp4',
 842                 'upload_date': '20150501',  # According to '<meta itemprop="datePublished"', but in other places it's 20150510
 843                 'uploader': 'Airtek',
 844                 'description': 'Retransmisión en directo de la XVIII media maratón de Zaragoza.',
 845                 'uploader_id': 'UCzTzUmjXxxacNnL8I3m4LnQ',
 846                 'title': 'Retransmisión XVIII Media maratón Zaragoza 2015',
 847             },
 848             'params': {
 849                 'youtube_include_dash_manifest': True,
 850                 'format': '135',  # bestvideo
 851             },
 852             'skip': 'This live event has ended.',
 853         },
 854         {
 855             # Multifeed videos (multiple cameras), URL is for Main Camera
 856             'url': 'https://www.youtube.com/watch?v=jqWvoWXjCVs',
 857             'info_dict': {
 858                 'id': 'jqWvoWXjCVs',
 859                 'title': 'teamPGP: Rocket League Noob Stream',
 860                 'description': 'md5:dc7872fb300e143831327f1bae3af010',
 861             },
 862             'playlist': [{
 863                 'info_dict': {
 864                     'id': 'jqWvoWXjCVs',
 865                     'ext': 'mp4',
 866                     'title': 'teamPGP: Rocket League Noob Stream (Main Camera)',
 867                     'description': 'md5:dc7872fb300e143831327f1bae3af010',
 868                     'duration': 7335,
 869                     'upload_date': '20150721',
 870                     'uploader': 'Beer Games Beer',
 871                     'uploader_id': 'beergamesbeer',
 872                     'uploader_url': r're:https?://(?:www\.)?youtube\.com/user/beergamesbeer',
 873                     'license': 'Standard YouTube License',
 874                 },
 875             }, {
 876                 'info_dict': {
 877                     'id': '6h8e8xoXJzg',
 878                     'ext': 'mp4',
 879                     'title': 'teamPGP: Rocket League Noob Stream (kreestuh)',
 880                     'description': 'md5:dc7872fb300e143831327f1bae3af010',
 881                     'duration': 7337,
 882                     'upload_date': '20150721',
 883                     'uploader': 'Beer Games Beer',
 884                     'uploader_id': 'beergamesbeer',
 885                     'uploader_url': r're:https?://(?:www\.)?youtube\.com/user/beergamesbeer',
 886                     'license': 'Standard YouTube License',
 887                 },
 888             }, {
 889                 'info_dict': {
 890                     'id': 'PUOgX5z9xZw',
 891                     'ext': 'mp4',
 892                     'title': 'teamPGP: Rocket League Noob Stream (grizzle)',
 893                     'description': 'md5:dc7872fb300e143831327f1bae3af010',
 894                     'duration': 7337,
 895                     'upload_date': '20150721',
 896                     'uploader': 'Beer Games Beer',
 897                     'uploader_id': 'beergamesbeer',
 898                     'uploader_url': r're:https?://(?:www\.)?youtube\.com/user/beergamesbeer',
 899                     'license': 'Standard YouTube License',
 900                 },
 901             }, {
 902                 'info_dict': {
 903                     'id': 'teuwxikvS5k',
 904                     'ext': 'mp4',
 905                     'title': 'teamPGP: Rocket League Noob Stream (zim)',
 906                     'description': 'md5:dc7872fb300e143831327f1bae3af010',
 907                     'duration': 7334,
 908                     'upload_date': '20150721',
 909                     'uploader': 'Beer Games Beer',
 910                     'uploader_id': 'beergamesbeer',
 911                     'uploader_url': r're:https?://(?:www\.)?youtube\.com/user/beergamesbeer',
 912                     'license': 'Standard YouTube License',
 913                 },
 914             }],
 915             'params': {
 916                 'skip_download': True,
 917             },
 918             'skip': 'This video is not available.',
 919         },
 920         {
 921             # Multifeed video with comma in title (see https://github.com/ytdl-org/youtube-dl/issues/8536)
 922             'url': 'https://www.youtube.com/watch?v=gVfLd0zydlo',
 923             'info_dict': {
 924                 'id': 'gVfLd0zydlo',
 925                 'title': 'DevConf.cz 2016 Day 2 Workshops 1 14:00 - 15:30',
 926             },
 927             'playlist_count': 2,
 928             'skip': 'Not multifeed anymore',
 929         },
 930         {
 931             'url': 'https://vid.plus/FlRa-iH7PGw',
 932             'only_matching': True,
 933         },
 934         {
 935             'url': 'https://zwearz.com/watch/9lWxNJF-ufM/electra-woman-dyna-girl-official-trailer-grace-helbig.html',
 936             'only_matching': True,
 937         },
 938         {
 939             # Title with JS-like syntax "};" (see https://github.com/ytdl-org/youtube-dl/issues/7468)
 940             # Also tests cut-off URL expansion in video description (see
 941             # https://github.com/ytdl-org/youtube-dl/issues/1892,
 942             # https://github.com/ytdl-org/youtube-dl/issues/8164)
 943             'url': 'https://www.youtube.com/watch?v=lsguqyKfVQg',
 944             'info_dict': {
 945                 'id': 'lsguqyKfVQg',
 946                 'ext': 'mp4',
 947                 'title': '{dark walk}; Loki/AC/Dishonored; collab w/Elflover21',
 948                 'alt_title': 'Dark Walk - Position Music',
 949                 'description': 'md5:8085699c11dc3f597ce0410b0dcbb34a',
 950                 'duration': 133,
 951                 'upload_date': '20151119',
 952                 'uploader_id': 'IronSoulElf',
 953                 'uploader_url': r're:https?://(?:www\.)?youtube\.com/user/IronSoulElf',
 954                 'uploader': 'IronSoulElf',
 955                 'creator': 'Todd Haberman,  Daniel Law Heath and Aaron Kaplan',
 956                 'track': 'Dark Walk - Position Music',
 957                 'artist': 'Todd Haberman,  Daniel Law Heath and Aaron Kaplan',
 958                 'album': 'Position Music - Production Music Vol. 143 - Dark Walk',
 959             },
 960             'params': {
 961                 'skip_download': True,
 962             },
 963         },
 964         {
 965             # Tags with '};' (see https://github.com/ytdl-org/youtube-dl/issues/7468)
 966             'url': 'https://www.youtube.com/watch?v=Ms7iBXnlUO8',
 967             'only_matching': True,
 968         },
 969         {
 970             # Video with yt:stretch=17:0
 971             'url': 'https://www.youtube.com/watch?v=Q39EVAstoRM',
 972             'info_dict': {
 973                 'id': 'Q39EVAstoRM',
 974                 'ext': 'mp4',
 975                 'title': 'Clash Of Clans#14 Dicas De Ataque Para CV 4',
 976                 'description': 'md5:ee18a25c350637c8faff806845bddee9',
 977                 'upload_date': '20151107',
 978                 'uploader_id': 'UCCr7TALkRbo3EtFzETQF1LA',
 979                 'uploader': 'CH GAMER DROID',
 980             },
 981             'params': {
 982                 'skip_download': True,
 983             },
 984             'skip': 'This video does not exist.',
 985         },
 986         {
 987             # Video licensed under Creative Commons
 988             'url': 'https://www.youtube.com/watch?v=M4gD1WSo5mA',
 989             'info_dict': {
 990                 'id': 'M4gD1WSo5mA',
 991                 'ext': 'mp4',
 992                 'title': 'md5:e41008789470fc2533a3252216f1c1d1',
 993                 'description': 'md5:a677553cf0840649b731a3024aeff4cc',
 994                 'duration': 721,
 995                 'upload_date': '20150127',
 996                 'uploader_id': 'BerkmanCenter',
 997                 'uploader_url': r're:https?://(?:www\.)?youtube\.com/user/BerkmanCenter',
 998                 'uploader': 'The Berkman Klein Center for Internet & Society',
 999                 'license': 'Creative Commons Attribution license (reuse allowed)',
1000             },
1001             'params': {
1002                 'skip_download': True,
1003             },
1004         },
1005         {
1006             # Channel-like uploader_url
1007             'url': 'https://www.youtube.com/watch?v=eQcmzGIKrzg',
1008             'info_dict': {
1009                 'id': 'eQcmzGIKrzg',
1010                 'ext': 'mp4',
1011                 'title': 'Democratic Socialism and Foreign Policy | Bernie Sanders',
1012                 'description': 'md5:dda0d780d5a6e120758d1711d062a867',
1013                 'duration': 4060,
1014                 'upload_date': '20151119',
1015                 'uploader': 'Bernie Sanders',
1016                 'uploader_id': 'UCH1dpzjCEiGAt8CXkryhkZg',
1017                 'uploader_url': r're:https?://(?:www\.)?youtube\.com/channel/UCH1dpzjCEiGAt8CXkryhkZg',
1018                 'license': 'Creative Commons Attribution license (reuse allowed)',
1019             },
1020             'params': {
1021                 'skip_download': True,
1022             },
1023         },
1024         {
1025             'url': 'https://www.youtube.com/watch?feature=player_embedded&amp;amp;v=V36LpHqtcDY',
1026             'only_matching': True,
1027         },
1028         {
1029             # YouTube Red paid video (https://github.com/ytdl-org/youtube-dl/issues/10059)
1030             'url': 'https://www.youtube.com/watch?v=i1Ko8UG-Tdo',
1031             'only_matching': True,
1032         },
1033         {
1034             # Rental video preview
1035             'url': 'https://www.youtube.com/watch?v=yYr8q0y5Jfg',
1036             'info_dict': {
1037                 'id': 'uGpuVWrhIzE',
1038                 'ext': 'mp4',
1039                 'title': 'Piku - Trailer',
1040                 'description': 'md5:c36bd60c3fd6f1954086c083c72092eb',
1041                 'upload_date': '20150811',
1042                 'uploader': 'FlixMatrix',
1043                 'uploader_id': 'FlixMatrixKaravan',
1044                 'uploader_url': r're:https?://(?:www\.)?youtube\.com/user/FlixMatrixKaravan',
1045                 'license': 'Standard YouTube License',
1046             },
1047             'params': {
1048                 'skip_download': True,
1049             },
1050             'skip': 'This video is not available.',
1051         },
1052         {
1053             # YouTube Red video with episode data
1054             'url': 'https://www.youtube.com/watch?v=iqKdEhx-dD4',
1055             'info_dict': {
1056                 'id': 'iqKdEhx-dD4',
1057                 'ext': 'mp4',
1058                 'title': 'Isolation - Mind Field (Ep 1)',
1059                 'description': 'md5:46a29be4ceffa65b92d277b93f463c0f',
1060                 'duration': 2085,
1061                 'upload_date': '20170118',
1062                 'uploader': 'Vsauce',
1063                 'uploader_id': 'Vsauce',
1064                 'uploader_url': r're:https?://(?:www\.)?youtube\.com/user/Vsauce',
1065                 'series': 'Mind Field',
1066                 'season_number': 1,
1067                 'episode_number': 1,
1068             },
1069             'params': {
1070                 'skip_download': True,
1071             },
1072             'expected_warnings': [
1073                 'Skipping DASH manifest',
1074             ],
1075         },
1076         {
1077             # The following content has been identified by the YouTube community
1078             # as inappropriate or offensive to some audiences.
1079             'url': 'https://www.youtube.com/watch?v=6SJNVb0GnPI',
1080             'info_dict': {
1081                 'id': '6SJNVb0GnPI',
1082                 'ext': 'mp4',
1083                 'title': 'Race Differences in Intelligence',
1084                 'description': 'md5:5d161533167390427a1f8ee89a1fc6f1',
1085                 'duration': 965,
1086                 'upload_date': '20140124',
1087                 'uploader': 'New Century Foundation',
1088                 'uploader_id': 'UCEJYpZGqgUob0zVVEaLhvVg',
1089                 'uploader_url': r're:https?://(?:www\.)?youtube\.com/channel/UCEJYpZGqgUob0zVVEaLhvVg',
1090             },
1091             'params': {
1092                 'skip_download': True,
1093             },
1094         },
1095         {
1096             # itag 212
1097             'url': '1t24XAntNCY',
1098             'only_matching': True,
1099         },
1100         {
1101             # geo restricted to JP
1102             'url': 'sJL6WA-aGkQ',
1103             'only_matching': True,
1104         },
1105         {
1106             'url': 'https://www.youtube.com/watch?v=MuAGGZNfUkU&list=RDMM',
1107             'only_matching': True,
1108         },
1109         {
1110             'url': 'https://invidio.us/watch?v=BaW_jenozKc',
1111             'only_matching': True,
1112         },
1113         {
1114             # DRM protected
1115             'url': 'https://www.youtube.com/watch?v=s7_qI6_mIXc',
1116             'only_matching': True,
1117         },
1118         {
1119             # Video with unsupported adaptive stream type formats
1120             'url': 'https://www.youtube.com/watch?v=Z4Vy8R84T1U',
1121             'info_dict': {
1122                 'id': 'Z4Vy8R84T1U',
1123                 'ext': 'mp4',
1124                 'title': 'saman SMAN 53 Jakarta(Sancety) opening COFFEE4th at SMAN 53 Jakarta',
1125                 'description': 'md5:d41d8cd98f00b204e9800998ecf8427e',
1126                 'duration': 433,
1127                 'upload_date': '20130923',
1128                 'uploader': 'Amelia Putri Harwita',
1129                 'uploader_id': 'UCpOxM49HJxmC1qCalXyB3_Q',
1130                 'uploader_url': r're:https?://(?:www\.)?youtube\.com/channel/UCpOxM49HJxmC1qCalXyB3_Q',
1131                 'formats': 'maxcount:10',
1132             },
1133             'params': {
1134                 'skip_download': True,
1135                 'youtube_include_dash_manifest': False,
1136             },
1137         },
1138         {
1139             # Youtube Music Auto-generated description
1140             'url': 'https://music.youtube.com/watch?v=MgNrAu2pzNs',
1141             'info_dict': {
1142                 'id': 'MgNrAu2pzNs',
1143                 'ext': 'mp4',
1144                 'title': 'Voyeur Girl',
1145                 'description': 'md5:7ae382a65843d6df2685993e90a8628f',
1146                 'upload_date': '20190312',
1147                 'uploader': 'Various Artists - Topic',
1148                 'uploader_id': 'UCVWKBi1ELZn0QX2CBLSkiyw',
1149                 'artist': 'Stephen',
1150                 'track': 'Voyeur Girl',
1151                 'album': 'it\'s too much love to know my dear',
1152                 'release_date': '20190313',
1153                 'release_year': 2019,
1154             },
1155             'params': {
1156                 'skip_download': True,
1157             },
1158         },
1159         {
1160             # Youtube Music Auto-generated description
1161             # Retrieve 'artist' field from 'Artist:' in video description
1162             # when it is present on youtube music video
1163             'url': 'https://www.youtube.com/watch?v=k0jLE7tTwjY',
1164             'info_dict': {
1165                 'id': 'k0jLE7tTwjY',
1166                 'ext': 'mp4',
1167                 'title': 'Latch Feat. Sam Smith',
1168                 'description': 'md5:3cb1e8101a7c85fcba9b4fb41b951335',
1169                 'upload_date': '20150110',
1170                 'uploader': 'Various Artists - Topic',
1171                 'uploader_id': 'UCNkEcmYdjrH4RqtNgh7BZ9w',
1172                 'artist': 'Disclosure',
1173                 'track': 'Latch Feat. Sam Smith',
1174                 'album': 'Latch Featuring Sam Smith',
1175                 'release_date': '20121008',
1176                 'release_year': 2012,
1177             },
1178             'params': {
1179                 'skip_download': True,
1180             },
1181         },
1182         {
1183             # Youtube Music Auto-generated description
1184             # handle multiple artists on youtube music video
1185             'url': 'https://www.youtube.com/watch?v=74qn0eJSjpA',
1186             'info_dict': {
1187                 'id': '74qn0eJSjpA',
1188                 'ext': 'mp4',
1189                 'title': 'Eastside',
1190                 'description': 'md5:290516bb73dcbfab0dcc4efe6c3de5f2',
1191                 'upload_date': '20180710',
1192                 'uploader': 'Benny Blanco - Topic',
1193                 'uploader_id': 'UCzqz_ksRu_WkIzmivMdIS7A',
1194                 'artist': 'benny blanco, Halsey, Khalid',
1195                 'track': 'Eastside',
1196                 'album': 'Eastside',
1197                 'release_date': '20180713',
1198                 'release_year': 2018,
1199             },
1200             'params': {
1201                 'skip_download': True,
1202             },
1203         },
1204         {
1205             # Youtube Music Auto-generated description
1206             # handle youtube music video with release_year and no release_date
1207             'url': 'https://www.youtube.com/watch?v=-hcAI0g-f5M',
1208             'info_dict': {
1209                 'id': '-hcAI0g-f5M',
1210                 'ext': 'mp4',
1211                 'title': 'Put It On Me',
1212                 'description': 'md5:93c55acc682ae7b0c668f2e34e1c069e',
1213                 'upload_date': '20180426',
1214                 'uploader': 'Matt Maeson - Topic',
1215                 'uploader_id': 'UCnEkIGqtGcQMLk73Kp-Q5LQ',
1216                 'artist': 'Matt Maeson',
1217                 'track': 'Put It On Me',
1218                 'album': 'The Hearse',
1219                 'release_date': None,
1220                 'release_year': 2018,
1221             },
1222             'params': {
1223                 'skip_download': True,
1224             },
1225         },
1226     ]
1227
1228     def __init__(self, *args, **kwargs):
1229         super(YoutubeIE, self).__init__(*args, **kwargs)
1230         self._player_cache = {}
1231
1232     def report_video_info_webpage_download(self, video_id):
1233         """Report attempt to download video info webpage."""
1234         self.to_screen('%s: Downloading video info webpage' % video_id)
1235
1236     def report_information_extraction(self, video_id):
1237         """Report attempt to extract video information."""
1238         self.to_screen('%s: Extracting video information' % video_id)
1239
1240     def report_unavailable_format(self, video_id, format):
1241         """Report extracted video URL."""
1242         self.to_screen('%s: Format %s not available' % (video_id, format))
1243
1244     def report_rtmp_download(self):
1245         """Indicate the download will use the RTMP protocol."""
1246         self.to_screen('RTMP download detected')
1247
1248     def _signature_cache_id(self, example_sig):
1249         """ Return a string representation of a signature """
1250         return '.'.join(compat_str(len(part)) for part in example_sig.split('.'))
1251
1252     def _extract_signature_function(self, video_id, player_url, example_sig):
1253         id_m = re.match(
1254             r'.*?-(?P<id>[a-zA-Z0-9_-]+)(?:/watch_as3|/html5player(?:-new)?|(?:/[a-z]{2,3}_[A-Z]{2})?/base)?\.(?P<ext>[a-z]+)$',
1255             player_url)
1256         if not id_m:
1257             raise ExtractorError('Cannot identify player %r' % player_url)
1258         player_type = id_m.group('ext')
1259         player_id = id_m.group('id')
1260
1261         # Read from filesystem cache
1262         func_id = '%s_%s_%s' % (
1263             player_type, player_id, self._signature_cache_id(example_sig))
1264         assert os.path.basename(func_id) == func_id
1265
1266         cache_spec = self._downloader.cache.load('youtube-sigfuncs', func_id)
1267         if cache_spec is not None:
1268             return lambda s: ''.join(s[i] for i in cache_spec)
1269
1270         download_note = (
1271             'Downloading player %s' % player_url
1272             if self._downloader.params.get('verbose') else
1273             'Downloading %s player %s' % (player_type, player_id)
1274         )
1275         if player_type == 'js':
1276             code = self._download_webpage(
1277                 player_url, video_id,
1278                 note=download_note,
1279                 errnote='Download of %s failed' % player_url)
1280             res = self._parse_sig_js(code)
1281         elif player_type == 'swf':
1282             urlh = self._request_webpage(
1283                 player_url, video_id,
1284                 note=download_note,
1285                 errnote='Download of %s failed' % player_url)
1286             code = urlh.read()
1287             res = self._parse_sig_swf(code)
1288         else:
1289             assert False, 'Invalid player type %r' % player_type
1290
1291         test_string = ''.join(map(compat_chr, range(len(example_sig))))
1292         cache_res = res(test_string)
1293         cache_spec = [ord(c) for c in cache_res]
1294
1295         self._downloader.cache.store('youtube-sigfuncs', func_id, cache_spec)
1296         return res
1297
1298     def _print_sig_code(self, func, example_sig):
1299         def gen_sig_code(idxs):
1300             def _genslice(start, end, step):
1301                 starts = '' if start == 0 else str(start)
1302                 ends = (':%d' % (end + step)) if end + step >= 0 else ':'
1303                 steps = '' if step == 1 else (':%d' % step)
1304                 return 's[%s%s%s]' % (starts, ends, steps)
1305
1306             step = None
1307             # Quelch pyflakes warnings - start will be set when step is set
1308             start = '(Never used)'
1309             for i, prev in zip(idxs[1:], idxs[:-1]):
1310                 if step is not None:
1311                     if i - prev == step:
1312                         continue
1313                     yield _genslice(start, prev, step)
1314                     step = None
1315                     continue
1316                 if i - prev in [-1, 1]:
1317                     step = i - prev
1318                     start = prev
1319                     continue
1320                 else:
1321                     yield 's[%d]' % prev
1322             if step is None:
1323                 yield 's[%d]' % i
1324             else:
1325                 yield _genslice(start, i, step)
1326
1327         test_string = ''.join(map(compat_chr, range(len(example_sig))))
1328         cache_res = func(test_string)
1329         cache_spec = [ord(c) for c in cache_res]
1330         expr_code = ' + '.join(gen_sig_code(cache_spec))
1331         signature_id_tuple = '(%s)' % (
1332             ', '.join(compat_str(len(p)) for p in example_sig.split('.')))
1333         code = ('if tuple(len(p) for p in s.split(\'.\')) == %s:\n'
1334                 '    return %s\n') % (signature_id_tuple, expr_code)
1335         self.to_screen('Extracted signature function:\n' + code)
1336
1337     def _parse_sig_js(self, jscode):
1338         funcname = self._search_regex(
1339             (r'\b[cs]\s*&&\s*[adf]\.set\([^,]+\s*,\s*encodeURIComponent\s*\(\s*(?P<sig>[a-zA-Z0-9$]+)\(',
1340              r'\b[a-zA-Z0-9]+\s*&&\s*[a-zA-Z0-9]+\.set\([^,]+\s*,\s*encodeURIComponent\s*\(\s*(?P<sig>[a-zA-Z0-9$]+)\(',
1341              r'(?P<sig>[a-zA-Z0-9$]+)\s*=\s*function\(\s*a\s*\)\s*{\s*a\s*=\s*a\.split\(\s*""\s*\)',
1342              # Obsolete patterns
1343              r'(["\'])signature\1\s*,\s*(?P<sig>[a-zA-Z0-9$]+)\(',
1344              r'\.sig\|\|(?P<sig>[a-zA-Z0-9$]+)\(',
1345              r'yt\.akamaized\.net/\)\s*\|\|\s*.*?\s*[cs]\s*&&\s*[adf]\.set\([^,]+\s*,\s*(?:encodeURIComponent\s*\()?\s*(?P<sig>[a-zA-Z0-9$]+)\(',
1346              r'\b[cs]\s*&&\s*[adf]\.set\([^,]+\s*,\s*(?P<sig>[a-zA-Z0-9$]+)\(',
1347              r'\b[a-zA-Z0-9]+\s*&&\s*[a-zA-Z0-9]+\.set\([^,]+\s*,\s*(?P<sig>[a-zA-Z0-9$]+)\(',
1348              r'\bc\s*&&\s*a\.set\([^,]+\s*,\s*\([^)]*\)\s*\(\s*(?P<sig>[a-zA-Z0-9$]+)\(',
1349              r'\bc\s*&&\s*[a-zA-Z0-9]+\.set\([^,]+\s*,\s*\([^)]*\)\s*\(\s*(?P<sig>[a-zA-Z0-9$]+)\(',
1350              r'\bc\s*&&\s*[a-zA-Z0-9]+\.set\([^,]+\s*,\s*\([^)]*\)\s*\(\s*(?P<sig>[a-zA-Z0-9$]+)\('),
1351             jscode, 'Initial JS player signature function name', group='sig')
1352
1353         jsi = JSInterpreter(jscode)
1354         initial_function = jsi.extract_function(funcname)
1355         return lambda s: initial_function([s])
1356
1357     def _parse_sig_swf(self, file_contents):
1358         swfi = SWFInterpreter(file_contents)
1359         TARGET_CLASSNAME = 'SignatureDecipher'
1360         searched_class = swfi.extract_class(TARGET_CLASSNAME)
1361         initial_function = swfi.extract_function(searched_class, 'decipher')
1362         return lambda s: initial_function([s])
1363
1364     def _decrypt_signature(self, s, video_id, player_url, age_gate=False):
1365         """Turn the encrypted s field into a working signature"""
1366
1367         if player_url is None:
1368             raise ExtractorError('Cannot decrypt signature without player_url')
1369
1370         if player_url.startswith('//'):
1371             player_url = 'https:' + player_url
1372         elif not re.match(r'https?://', player_url):
1373             player_url = compat_urlparse.urljoin(
1374                 'https://www.youtube.com', player_url)
1375         try:
1376             player_id = (player_url, self._signature_cache_id(s))
1377             if player_id not in self._player_cache:
1378                 func = self._extract_signature_function(
1379                     video_id, player_url, s
1380                 )
1381                 self._player_cache[player_id] = func
1382             func = self._player_cache[player_id]
1383             if self._downloader.params.get('youtube_print_sig_code'):
1384                 self._print_sig_code(func, s)
1385             return func(s)
1386         except Exception as e:
1387             tb = traceback.format_exc()
1388             raise ExtractorError(
1389                 'Signature extraction failed: ' + tb, cause=e)
1390
1391     def _get_subtitles(self, video_id, webpage):
1392         try:
1393             subs_doc = self._download_xml(
1394                 'https://video.google.com/timedtext?hl=en&type=list&v=%s' % video_id,
1395                 video_id, note=False)
1396         except ExtractorError as err:
1397             self._downloader.report_warning('unable to download video subtitles: %s' % error_to_compat_str(err))
1398             return {}
1399
1400         sub_lang_list = {}
1401         for track in subs_doc.findall('track'):
1402             lang = track.attrib['lang_code']
1403             if lang in sub_lang_list:
1404                 continue
1405             sub_formats = []
1406             for ext in self._SUBTITLE_FORMATS:
1407                 params = compat_urllib_parse_urlencode({
1408                     'lang': lang,
1409                     'v': video_id,
1410                     'fmt': ext,
1411                     'name': track.attrib['name'].encode('utf-8'),
1412                 })
1413                 sub_formats.append({
1414                     'url': 'https://www.youtube.com/api/timedtext?' + params,
1415                     'ext': ext,
1416                 })
1417             sub_lang_list[lang] = sub_formats
1418         if not sub_lang_list:
1419             self._downloader.report_warning('video doesn\'t have subtitles')
1420             return {}
1421         return sub_lang_list
1422
1423     def _get_ytplayer_config(self, video_id, webpage):
1424         patterns = (
1425             # User data may contain arbitrary character sequences that may affect
1426             # JSON extraction with regex, e.g. when '};' is contained the second
1427             # regex won't capture the whole JSON. Yet working around by trying more
1428             # concrete regex first keeping in mind proper quoted string handling
1429             # to be implemented in future that will replace this workaround (see
1430             # https://github.com/ytdl-org/youtube-dl/issues/7468,
1431             # https://github.com/ytdl-org/youtube-dl/pull/7599)
1432             r';ytplayer\.config\s*=\s*({.+?});ytplayer',
1433             r';ytplayer\.config\s*=\s*({.+?});',
1434         )
1435         config = self._search_regex(
1436             patterns, webpage, 'ytplayer.config', default=None)
1437         if config:
1438             return self._parse_json(
1439                 uppercase_escape(config), video_id, fatal=False)
1440
1441     def _get_automatic_captions(self, video_id, webpage):
1442         """We need the webpage for getting the captions url, pass it as an
1443            argument to speed up the process."""
1444         self.to_screen('%s: Looking for automatic captions' % video_id)
1445         player_config = self._get_ytplayer_config(video_id, webpage)
1446         err_msg = 'Couldn\'t find automatic captions for %s' % video_id
1447         if not player_config:
1448             self._downloader.report_warning(err_msg)
1449             return {}
1450         try:
1451             args = player_config['args']
1452             caption_url = args.get('ttsurl')
1453             if caption_url:
1454                 timestamp = args['timestamp']
1455                 # We get the available subtitles
1456                 list_params = compat_urllib_parse_urlencode({
1457                     'type': 'list',
1458                     'tlangs': 1,
1459                     'asrs': 1,
1460                 })
1461                 list_url = caption_url + '&' + list_params
1462                 caption_list = self._download_xml(list_url, video_id)
1463                 original_lang_node = caption_list.find('track')
1464                 if original_lang_node is None:
1465                     self._downloader.report_warning('Video doesn\'t have automatic captions')
1466                     return {}
1467                 original_lang = original_lang_node.attrib['lang_code']
1468                 caption_kind = original_lang_node.attrib.get('kind', '')
1469
1470                 sub_lang_list = {}
1471                 for lang_node in caption_list.findall('target'):
1472                     sub_lang = lang_node.attrib['lang_code']
1473                     sub_formats = []
1474                     for ext in self._SUBTITLE_FORMATS:
1475                         params = compat_urllib_parse_urlencode({
1476                             'lang': original_lang,
1477                             'tlang': sub_lang,
1478                             'fmt': ext,
1479                             'ts': timestamp,
1480                             'kind': caption_kind,
1481                         })
1482                         sub_formats.append({
1483                             'url': caption_url + '&' + params,
1484                             'ext': ext,
1485                         })
1486                     sub_lang_list[sub_lang] = sub_formats
1487                 return sub_lang_list
1488
1489             def make_captions(sub_url, sub_langs):
1490                 parsed_sub_url = compat_urllib_parse_urlparse(sub_url)
1491                 caption_qs = compat_parse_qs(parsed_sub_url.query)
1492                 captions = {}
1493                 for sub_lang in sub_langs:
1494                     sub_formats = []
1495                     for ext in self._SUBTITLE_FORMATS:
1496                         caption_qs.update({
1497                             'tlang': [sub_lang],
1498                             'fmt': [ext],
1499                         })
1500                         sub_url = compat_urlparse.urlunparse(parsed_sub_url._replace(
1501                             query=compat_urllib_parse_urlencode(caption_qs, True)))
1502                         sub_formats.append({
1503                             'url': sub_url,
1504                             'ext': ext,
1505                         })
1506                     captions[sub_lang] = sub_formats
1507                 return captions
1508
1509             # New captions format as of 22.06.2017
1510             player_response = args.get('player_response')
1511             if player_response and isinstance(player_response, compat_str):
1512                 player_response = self._parse_json(
1513                     player_response, video_id, fatal=False)
1514                 if player_response:
1515                     renderer = player_response['captions']['playerCaptionsTracklistRenderer']
1516                     base_url = renderer['captionTracks'][0]['baseUrl']
1517                     sub_lang_list = []
1518                     for lang in renderer['translationLanguages']:
1519                         lang_code = lang.get('languageCode')
1520                         if lang_code:
1521                             sub_lang_list.append(lang_code)
1522                     return make_captions(base_url, sub_lang_list)
1523
1524             # Some videos don't provide ttsurl but rather caption_tracks and
1525             # caption_translation_languages (e.g. 20LmZk1hakA)
1526             # Does not used anymore as of 22.06.2017
1527             caption_tracks = args['caption_tracks']
1528             caption_translation_languages = args['caption_translation_languages']
1529             caption_url = compat_parse_qs(caption_tracks.split(',')[0])['u'][0]
1530             sub_lang_list = []
1531             for lang in caption_translation_languages.split(','):
1532                 lang_qs = compat_parse_qs(compat_urllib_parse_unquote_plus(lang))
1533                 sub_lang = lang_qs.get('lc', [None])[0]
1534                 if sub_lang:
1535                     sub_lang_list.append(sub_lang)
1536             return make_captions(caption_url, sub_lang_list)
1537         # An extractor error can be raise by the download process if there are
1538         # no automatic captions but there are subtitles
1539         except (KeyError, IndexError, ExtractorError):
1540             self._downloader.report_warning(err_msg)
1541             return {}
1542
1543     def _mark_watched(self, video_id, video_info, player_response):
1544         playback_url = url_or_none(try_get(
1545             player_response,
1546             lambda x: x['playbackTracking']['videostatsPlaybackUrl']['baseUrl']) or try_get(
1547             video_info, lambda x: x['videostats_playback_base_url'][0]))
1548         if not playback_url:
1549             return
1550         parsed_playback_url = compat_urlparse.urlparse(playback_url)
1551         qs = compat_urlparse.parse_qs(parsed_playback_url.query)
1552
1553         # cpn generation algorithm is reverse engineered from base.js.
1554         # In fact it works even with dummy cpn.
1555         CPN_ALPHABET = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789-_'
1556         cpn = ''.join((CPN_ALPHABET[random.randint(0, 256) & 63] for _ in range(0, 16)))
1557
1558         qs.update({
1559             'ver': ['2'],
1560             'cpn': [cpn],
1561         })
1562         playback_url = compat_urlparse.urlunparse(
1563             parsed_playback_url._replace(query=compat_urllib_parse_urlencode(qs, True)))
1564
1565         self._download_webpage(
1566             playback_url, video_id, 'Marking watched',
1567             'Unable to mark watched', fatal=False)
1568
1569     @staticmethod
1570     def _extract_urls(webpage):
1571         # Embedded YouTube player
1572         entries = [
1573             unescapeHTML(mobj.group('url'))
1574             for mobj in re.finditer(r'''(?x)
1575             (?:
1576                 <iframe[^>]+?src=|
1577                 data-video-url=|
1578                 <embed[^>]+?src=|
1579                 embedSWF\(?:\s*|
1580                 <object[^>]+data=|
1581                 new\s+SWFObject\(
1582             )
1583             (["\'])
1584                 (?P<url>(?:https?:)?//(?:www\.)?youtube(?:-nocookie)?\.com/
1585                 (?:embed|v|p)/[0-9A-Za-z_-]{11}.*?)
1586             \1''', webpage)]
1587
1588         # lazyYT YouTube embed
1589         entries.extend(list(map(
1590             unescapeHTML,
1591             re.findall(r'class="lazyYT" data-youtube-id="([^"]+)"', webpage))))
1592
1593         # Wordpress "YouTube Video Importer" plugin
1594         matches = re.findall(r'''(?x)<div[^>]+
1595             class=(?P<q1>[\'"])[^\'"]*\byvii_single_video_player\b[^\'"]*(?P=q1)[^>]+
1596             data-video_id=(?P<q2>[\'"])([^\'"]+)(?P=q2)''', webpage)
1597         entries.extend(m[-1] for m in matches)
1598
1599         return entries
1600
1601     @staticmethod
1602     def _extract_url(webpage):
1603         urls = YoutubeIE._extract_urls(webpage)
1604         return urls[0] if urls else None
1605
1606     @classmethod
1607     def extract_id(cls, url):
1608         mobj = re.match(cls._VALID_URL, url, re.VERBOSE)
1609         if mobj is None:
1610             raise ExtractorError('Invalid URL: %s' % url)
1611         video_id = mobj.group(2)
1612         return video_id
1613
1614     @staticmethod
1615     def _extract_chapters(description, duration):
1616         if not description:
1617             return None
1618         chapter_lines = re.findall(
1619             r'(?:^|<br\s*/>)([^<]*<a[^>]+onclick=["\']yt\.www\.watch\.player\.seekTo[^>]+>(\d{1,2}:\d{1,2}(?::\d{1,2})?)</a>[^>]*)(?=$|<br\s*/>)',
1620             description)
1621         if not chapter_lines:
1622             return None
1623         chapters = []
1624         for next_num, (chapter_line, time_point) in enumerate(
1625                 chapter_lines, start=1):
1626             start_time = parse_duration(time_point)
1627             if start_time is None:
1628                 continue
1629             if start_time > duration:
1630                 break
1631             end_time = (duration if next_num == len(chapter_lines)
1632                         else parse_duration(chapter_lines[next_num][1]))
1633             if end_time is None:
1634                 continue
1635             if end_time > duration:
1636                 end_time = duration
1637             if start_time > end_time:
1638                 break
1639             chapter_title = re.sub(
1640                 r'<a[^>]+>[^<]+</a>', '', chapter_line).strip(' \t-')
1641             chapter_title = re.sub(r'\s+', ' ', chapter_title)
1642             chapters.append({
1643                 'start_time': start_time,
1644                 'end_time': end_time,
1645                 'title': chapter_title,
1646             })
1647         return chapters
1648
1649     def _real_extract(self, url):
1650         url, smuggled_data = unsmuggle_url(url, {})
1651
1652         proto = (
1653             'http' if self._downloader.params.get('prefer_insecure', False)
1654             else 'https')
1655
1656         start_time = None
1657         end_time = None
1658         parsed_url = compat_urllib_parse_urlparse(url)
1659         for component in [parsed_url.fragment, parsed_url.query]:
1660             query = compat_parse_qs(component)
1661             if start_time is None and 't' in query:
1662                 start_time = parse_duration(query['t'][0])
1663             if start_time is None and 'start' in query:
1664                 start_time = parse_duration(query['start'][0])
1665             if end_time is None and 'end' in query:
1666                 end_time = parse_duration(query['end'][0])
1667
1668         # Extract original video URL from URL with redirection, like age verification, using next_url parameter
1669         mobj = re.search(self._NEXT_URL_RE, url)
1670         if mobj:
1671             url = proto + '://www.youtube.com/' + compat_urllib_parse_unquote(mobj.group(1)).lstrip('/')
1672         video_id = self.extract_id(url)
1673
1674         # Get video webpage
1675         url = proto + '://www.youtube.com/watch?v=%s&gl=US&hl=en&has_verified=1&bpctr=9999999999' % video_id
1676         video_webpage = self._download_webpage(url, video_id)
1677
1678         # Attempt to extract SWF player URL
1679         mobj = re.search(r'swfConfig.*?"(https?:\\/\\/.*?watch.*?-.*?\.swf)"', video_webpage)
1680         if mobj is not None:
1681             player_url = re.sub(r'\\(.)', r'\1', mobj.group(1))
1682         else:
1683             player_url = None
1684
1685         dash_mpds = []
1686
1687         def add_dash_mpd(video_info):
1688             dash_mpd = video_info.get('dashmpd')
1689             if dash_mpd and dash_mpd[0] not in dash_mpds:
1690                 dash_mpds.append(dash_mpd[0])
1691
1692         def add_dash_mpd_pr(pl_response):
1693             dash_mpd = url_or_none(try_get(
1694                 pl_response, lambda x: x['streamingData']['dashManifestUrl'],
1695                 compat_str))
1696             if dash_mpd and dash_mpd not in dash_mpds:
1697                 dash_mpds.append(dash_mpd)
1698
1699         is_live = None
1700         view_count = None
1701
1702         def extract_view_count(v_info):
1703             return int_or_none(try_get(v_info, lambda x: x['view_count'][0]))
1704
1705         def extract_token(v_info):
1706             return dict_get(v_info, ('account_playback_token', 'accountPlaybackToken', 'token'))
1707
1708         def extract_player_response(player_response, video_id):
1709             pl_response = str_or_none(player_response)
1710             if not pl_response:
1711                 return
1712             pl_response = self._parse_json(pl_response, video_id, fatal=False)
1713             if isinstance(pl_response, dict):
1714                 add_dash_mpd_pr(pl_response)
1715                 return pl_response
1716
1717         player_response = {}
1718
1719         # Get video info
1720         embed_webpage = None
1721         if re.search(r'player-age-gate-content">', video_webpage) is not None:
1722             age_gate = True
1723             # We simulate the access to the video from www.youtube.com/v/{video_id}
1724             # this can be viewed without login into Youtube
1725             url = proto + '://www.youtube.com/embed/%s' % video_id
1726             embed_webpage = self._download_webpage(url, video_id, 'Downloading embed webpage')
1727             data = compat_urllib_parse_urlencode({
1728                 'video_id': video_id,
1729                 'eurl': 'https://youtube.googleapis.com/v/' + video_id,
1730                 'sts': self._search_regex(
1731                     r'"sts"\s*:\s*(\d+)', embed_webpage, 'sts', default=''),
1732             })
1733             video_info_url = proto + '://www.youtube.com/get_video_info?' + data
1734             video_info_webpage = self._download_webpage(
1735                 video_info_url, video_id,
1736                 note='Refetching age-gated info webpage',
1737                 errnote='unable to download video info webpage')
1738             video_info = compat_parse_qs(video_info_webpage)
1739             pl_response = video_info.get('player_response', [None])[0]
1740             player_response = extract_player_response(pl_response, video_id)
1741             add_dash_mpd(video_info)
1742             view_count = extract_view_count(video_info)
1743         else:
1744             age_gate = False
1745             video_info = None
1746             sts = None
1747             # Try looking directly into the video webpage
1748             ytplayer_config = self._get_ytplayer_config(video_id, video_webpage)
1749             if ytplayer_config:
1750                 args = ytplayer_config['args']
1751                 if args.get('url_encoded_fmt_stream_map') or args.get('hlsvp'):
1752                     # Convert to the same format returned by compat_parse_qs
1753                     video_info = dict((k, [v]) for k, v in args.items())
1754                     add_dash_mpd(video_info)
1755                 # Rental video is not rented but preview is available (e.g.
1756                 # https://www.youtube.com/watch?v=yYr8q0y5Jfg,
1757                 # https://github.com/ytdl-org/youtube-dl/issues/10532)
1758                 if not video_info and args.get('ypc_vid'):
1759                     return self.url_result(
1760                         args['ypc_vid'], YoutubeIE.ie_key(), video_id=args['ypc_vid'])
1761                 if args.get('livestream') == '1' or args.get('live_playback') == 1:
1762                     is_live = True
1763                 sts = ytplayer_config.get('sts')
1764                 if not player_response:
1765                     player_response = extract_player_response(args.get('player_response'), video_id)
1766             if not video_info or self._downloader.params.get('youtube_include_dash_manifest', True):
1767                 add_dash_mpd_pr(player_response)
1768                 # We also try looking in get_video_info since it may contain different dashmpd
1769                 # URL that points to a DASH manifest with possibly different itag set (some itags
1770                 # are missing from DASH manifest pointed by webpage's dashmpd, some - from DASH
1771                 # manifest pointed by get_video_info's dashmpd).
1772                 # The general idea is to take a union of itags of both DASH manifests (for example
1773                 # video with such 'manifest behavior' see https://github.com/ytdl-org/youtube-dl/issues/6093)
1774                 self.report_video_info_webpage_download(video_id)
1775                 for el in ('embedded', 'detailpage', 'vevo', ''):
1776                     query = {
1777                         'video_id': video_id,
1778                         'ps': 'default',
1779                         'eurl': '',
1780                         'gl': 'US',
1781                         'hl': 'en',
1782                     }
1783                     if el:
1784                         query['el'] = el
1785                     if sts:
1786                         query['sts'] = sts
1787                     video_info_webpage = self._download_webpage(
1788                         '%s://www.youtube.com/get_video_info' % proto,
1789                         video_id, note=False,
1790                         errnote='unable to download video info webpage',
1791                         fatal=False, query=query)
1792                     if not video_info_webpage:
1793                         continue
1794                     get_video_info = compat_parse_qs(video_info_webpage)
1795                     if not player_response:
1796                         pl_response = get_video_info.get('player_response', [None])[0]
1797                         player_response = extract_player_response(pl_response, video_id)
1798                     add_dash_mpd(get_video_info)
1799                     if view_count is None:
1800                         view_count = extract_view_count(get_video_info)
1801                     if not video_info:
1802                         video_info = get_video_info
1803                     get_token = extract_token(get_video_info)
1804                     if get_token:
1805                         # Different get_video_info requests may report different results, e.g.
1806                         # some may report video unavailability, but some may serve it without
1807                         # any complaint (see https://github.com/ytdl-org/youtube-dl/issues/7362,
1808                         # the original webpage as well as el=info and el=embedded get_video_info
1809                         # requests report video unavailability due to geo restriction while
1810                         # el=detailpage succeeds and returns valid data). This is probably
1811                         # due to YouTube measures against IP ranges of hosting providers.
1812                         # Working around by preferring the first succeeded video_info containing
1813                         # the token if no such video_info yet was found.
1814                         token = extract_token(video_info)
1815                         if not token:
1816                             video_info = get_video_info
1817                         break
1818
1819         def extract_unavailable_message():
1820             messages = []
1821             for tag, kind in (('h1', 'message'), ('div', 'submessage')):
1822                 msg = self._html_search_regex(
1823                     r'(?s)<{tag}[^>]+id=["\']unavailable-{kind}["\'][^>]*>(.+?)</{tag}>'.format(tag=tag, kind=kind),
1824                     video_webpage, 'unavailable %s' % kind, default=None)
1825                 if msg:
1826                     messages.append(msg)
1827             if messages:
1828                 return '\n'.join(messages)
1829
1830         if not video_info:
1831             unavailable_message = extract_unavailable_message()
1832             if not unavailable_message:
1833                 unavailable_message = 'Unable to extract video data'
1834             raise ExtractorError(
1835                 'YouTube said: %s' % unavailable_message, expected=True, video_id=video_id)
1836
1837         video_details = try_get(
1838             player_response, lambda x: x['videoDetails'], dict) or {}
1839
1840         video_title = video_info.get('title', [None])[0] or video_details.get('title')
1841         if not video_title:
1842             self._downloader.report_warning('Unable to extract video title')
1843             video_title = '_'
1844
1845         description_original = video_description = get_element_by_id("eow-description", video_webpage)
1846         if video_description:
1847
1848             def replace_url(m):
1849                 redir_url = compat_urlparse.urljoin(url, m.group(1))
1850                 parsed_redir_url = compat_urllib_parse_urlparse(redir_url)
1851                 if re.search(r'^(?:www\.)?(?:youtube(?:-nocookie)?\.com|youtu\.be)$', parsed_redir_url.netloc) and parsed_redir_url.path == '/redirect':
1852                     qs = compat_parse_qs(parsed_redir_url.query)
1853                     q = qs.get('q')
1854                     if q and q[0]:
1855                         return q[0]
1856                 return redir_url
1857
1858             description_original = video_description = re.sub(r'''(?x)
1859                 <a\s+
1860                     (?:[a-zA-Z-]+="[^"]*"\s+)*?
1861                     (?:title|href)="([^"]+)"\s+
1862                     (?:[a-zA-Z-]+="[^"]*"\s+)*?
1863                     class="[^"]*"[^>]*>
1864                 [^<]+\.{3}\s*
1865                 </a>
1866             ''', replace_url, video_description)
1867             video_description = clean_html(video_description)
1868         else:
1869             video_description = self._html_search_meta('description', video_webpage) or video_details.get('shortDescription')
1870
1871         if not smuggled_data.get('force_singlefeed', False):
1872             if not self._downloader.params.get('noplaylist'):
1873                 multifeed_metadata_list = try_get(
1874                     player_response,
1875                     lambda x: x['multicamera']['playerLegacyMulticameraRenderer']['metadataList'],
1876                     compat_str) or try_get(
1877                     video_info, lambda x: x['multifeed_metadata_list'][0], compat_str)
1878                 if multifeed_metadata_list:
1879                     entries = []
1880                     feed_ids = []
1881                     for feed in multifeed_metadata_list.split(','):
1882                         # Unquote should take place before split on comma (,) since textual
1883                         # fields may contain comma as well (see
1884                         # https://github.com/ytdl-org/youtube-dl/issues/8536)
1885                         feed_data = compat_parse_qs(compat_urllib_parse_unquote_plus(feed))
1886                         entries.append({
1887                             '_type': 'url_transparent',
1888                             'ie_key': 'Youtube',
1889                             'url': smuggle_url(
1890                                 '%s://www.youtube.com/watch?v=%s' % (proto, feed_data['id'][0]),
1891                                 {'force_singlefeed': True}),
1892                             'title': '%s (%s)' % (video_title, feed_data['title'][0]),
1893                         })
1894                         feed_ids.append(feed_data['id'][0])
1895                     self.to_screen(
1896                         'Downloading multifeed video (%s) - add --no-playlist to just download video %s'
1897                         % (', '.join(feed_ids), video_id))
1898                     return self.playlist_result(entries, video_id, video_title, video_description)
1899             else:
1900                 self.to_screen('Downloading just video %s because of --no-playlist' % video_id)
1901
1902         if view_count is None:
1903             view_count = extract_view_count(video_info)
1904         if view_count is None and video_details:
1905             view_count = int_or_none(video_details.get('viewCount'))
1906
1907         if is_live is None:
1908             is_live = bool_or_none(video_details.get('isLive'))
1909
1910         # Check for "rental" videos
1911         if 'ypc_video_rental_bar_text' in video_info and 'author' not in video_info:
1912             raise ExtractorError('"rental" videos not supported. See https://github.com/ytdl-org/youtube-dl/issues/359 for more information.', expected=True)
1913
1914         def _extract_filesize(media_url):
1915             return int_or_none(self._search_regex(
1916                 r'\bclen[=/](\d+)', media_url, 'filesize', default=None))
1917
1918         streaming_formats = try_get(player_response, lambda x: x['streamingData']['formats'], list) or []
1919         streaming_formats.extend(try_get(player_response, lambda x: x['streamingData']['adaptiveFormats'], list) or [])
1920
1921         if 'conn' in video_info and video_info['conn'][0].startswith('rtmp'):
1922             self.report_rtmp_download()
1923             formats = [{
1924                 'format_id': '_rtmp',
1925                 'protocol': 'rtmp',
1926                 'url': video_info['conn'][0],
1927                 'player_url': player_url,
1928             }]
1929         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):
1930             encoded_url_map = video_info.get('url_encoded_fmt_stream_map', [''])[0] + ',' + video_info.get('adaptive_fmts', [''])[0]
1931             if 'rtmpe%3Dyes' in encoded_url_map:
1932                 raise ExtractorError('rtmpe downloads are not supported, see https://github.com/ytdl-org/youtube-dl/issues/343 for more information.', expected=True)
1933             formats = []
1934             formats_spec = {}
1935             fmt_list = video_info.get('fmt_list', [''])[0]
1936             if fmt_list:
1937                 for fmt in fmt_list.split(','):
1938                     spec = fmt.split('/')
1939                     if len(spec) > 1:
1940                         width_height = spec[1].split('x')
1941                         if len(width_height) == 2:
1942                             formats_spec[spec[0]] = {
1943                                 'resolution': spec[1],
1944                                 'width': int_or_none(width_height[0]),
1945                                 'height': int_or_none(width_height[1]),
1946                             }
1947             for fmt in streaming_formats:
1948                 itag = str_or_none(fmt.get('itag'))
1949                 if not itag:
1950                     continue
1951                 quality = fmt.get('quality')
1952                 quality_label = fmt.get('qualityLabel') or quality
1953                 formats_spec[itag] = {
1954                     'asr': int_or_none(fmt.get('audioSampleRate')),
1955                     'filesize': int_or_none(fmt.get('contentLength')),
1956                     'format_note': quality_label,
1957                     'fps': int_or_none(fmt.get('fps')),
1958                     'height': int_or_none(fmt.get('height')),
1959                     # bitrate for itag 43 is always 2147483647
1960                     'tbr': float_or_none(fmt.get('averageBitrate') or fmt.get('bitrate'), 1000) if itag != '43' else None,
1961                     'width': int_or_none(fmt.get('width')),
1962                 }
1963
1964             for fmt in streaming_formats:
1965                 if fmt.get('drm_families'):
1966                     continue
1967                 url = url_or_none(fmt.get('url'))
1968
1969                 if not url:
1970                     cipher = fmt.get('cipher')
1971                     if not cipher:
1972                         continue
1973                     url_data = compat_parse_qs(cipher)
1974                     url = url_or_none(try_get(url_data, lambda x: x['url'][0], compat_str))
1975                     if not url:
1976                         continue
1977                 else:
1978                     cipher = None
1979                     url_data = compat_parse_qs(compat_urllib_parse_urlparse(url).query)
1980
1981                 stream_type = int_or_none(try_get(url_data, lambda x: x['stream_type'][0]))
1982                 # Unsupported FORMAT_STREAM_TYPE_OTF
1983                 if stream_type == 3:
1984                     continue
1985
1986                 format_id = fmt.get('itag') or url_data['itag'][0]
1987                 if not format_id:
1988                     continue
1989                 format_id = compat_str(format_id)
1990
1991                 if cipher:
1992                     if 's' in url_data or self._downloader.params.get('youtube_include_dash_manifest', True):
1993                         ASSETS_RE = r'"assets":.+?"js":\s*("[^"]+")'
1994                         jsplayer_url_json = self._search_regex(
1995                             ASSETS_RE,
1996                             embed_webpage if age_gate else video_webpage,
1997                             'JS player URL (1)', default=None)
1998                         if not jsplayer_url_json and not age_gate:
1999                             # We need the embed website after all
2000                             if embed_webpage is None:
2001                                 embed_url = proto + '://www.youtube.com/embed/%s' % video_id
2002                                 embed_webpage = self._download_webpage(
2003                                     embed_url, video_id, 'Downloading embed webpage')
2004                             jsplayer_url_json = self._search_regex(
2005                                 ASSETS_RE, embed_webpage, 'JS player URL')
2006
2007                         player_url = json.loads(jsplayer_url_json)
2008                         if player_url is None:
2009                             player_url_json = self._search_regex(
2010                                 r'ytplayer\.config.*?"url"\s*:\s*("[^"]+")',
2011                                 video_webpage, 'age gate player URL')
2012                             player_url = json.loads(player_url_json)
2013
2014                     if 'sig' in url_data:
2015                         url += '&signature=' + url_data['sig'][0]
2016                     elif 's' in url_data:
2017                         encrypted_sig = url_data['s'][0]
2018
2019                         if self._downloader.params.get('verbose'):
2020                             if player_url is None:
2021                                 player_version = 'unknown'
2022                                 player_desc = 'unknown'
2023                             else:
2024                                 if player_url.endswith('swf'):
2025                                     player_version = self._search_regex(
2026                                         r'-(.+?)(?:/watch_as3)?\.swf$', player_url,
2027                                         'flash player', fatal=False)
2028                                     player_desc = 'flash player %s' % player_version
2029                                 else:
2030                                     player_version = self._search_regex(
2031                                         [r'html5player-([^/]+?)(?:/html5player(?:-new)?)?\.js',
2032                                          r'(?:www|player(?:_ias)?)-([^/]+)(?:/[a-z]{2,3}_[A-Z]{2})?/base\.js'],
2033                                         player_url,
2034                                         'html5 player', fatal=False)
2035                                     player_desc = 'html5 player %s' % player_version
2036
2037                             parts_sizes = self._signature_cache_id(encrypted_sig)
2038                             self.to_screen('{%s} signature length %s, %s' %
2039                                            (format_id, parts_sizes, player_desc))
2040
2041                         signature = self._decrypt_signature(
2042                             encrypted_sig, video_id, player_url, age_gate)
2043                         sp = try_get(url_data, lambda x: x['sp'][0], compat_str) or 'signature'
2044                         url += '&%s=%s' % (sp, signature)
2045                 if 'ratebypass' not in url:
2046                     url += '&ratebypass=yes'
2047
2048                 dct = {
2049                     'format_id': format_id,
2050                     'url': url,
2051                     'player_url': player_url,
2052                 }
2053                 if format_id in self._formats:
2054                     dct.update(self._formats[format_id])
2055                 if format_id in formats_spec:
2056                     dct.update(formats_spec[format_id])
2057
2058                 # Some itags are not included in DASH manifest thus corresponding formats will
2059                 # lack metadata (see https://github.com/ytdl-org/youtube-dl/pull/5993).
2060                 # Trying to extract metadata from url_encoded_fmt_stream_map entry.
2061                 mobj = re.search(r'^(?P<width>\d+)[xX](?P<height>\d+)$', url_data.get('size', [''])[0])
2062                 width, height = (int(mobj.group('width')), int(mobj.group('height'))) if mobj else (None, None)
2063
2064                 if width is None:
2065                     width = int_or_none(fmt.get('width'))
2066                 if height is None:
2067                     height = int_or_none(fmt.get('height'))
2068
2069                 filesize = int_or_none(url_data.get(
2070                     'clen', [None])[0]) or _extract_filesize(url)
2071
2072                 quality = url_data.get('quality', [None])[0] or fmt.get('quality')
2073                 quality_label = url_data.get('quality_label', [None])[0] or fmt.get('qualityLabel')
2074
2075                 tbr = (float_or_none(url_data.get('bitrate', [None])[0], 1000)
2076                        or float_or_none(fmt.get('bitrate'), 1000)) if format_id != '43' else None
2077                 fps = int_or_none(url_data.get('fps', [None])[0]) or int_or_none(fmt.get('fps'))
2078
2079                 more_fields = {
2080                     'filesize': filesize,
2081                     'tbr': tbr,
2082                     'width': width,
2083                     'height': height,
2084                     'fps': fps,
2085                     'format_note': quality_label or quality,
2086                 }
2087                 for key, value in more_fields.items():
2088                     if value:
2089                         dct[key] = value
2090                 type_ = url_data.get('type', [None])[0] or fmt.get('mimeType')
2091                 if type_:
2092                     type_split = type_.split(';')
2093                     kind_ext = type_split[0].split('/')
2094                     if len(kind_ext) == 2:
2095                         kind, _ = kind_ext
2096                         dct['ext'] = mimetype2ext(type_split[0])
2097                         if kind in ('audio', 'video'):
2098                             codecs = None
2099                             for mobj in re.finditer(
2100                                     r'(?P<key>[a-zA-Z_-]+)=(?P<quote>["\']?)(?P<val>.+?)(?P=quote)(?:;|$)', type_):
2101                                 if mobj.group('key') == 'codecs':
2102                                     codecs = mobj.group('val')
2103                                     break
2104                             if codecs:
2105                                 dct.update(parse_codecs(codecs))
2106                 if dct.get('acodec') == 'none' or dct.get('vcodec') == 'none':
2107                     dct['downloader_options'] = {
2108                         # Youtube throttles chunks >~10M
2109                         'http_chunk_size': 10485760,
2110                     }
2111                 formats.append(dct)
2112         else:
2113             manifest_url = (
2114                 url_or_none(try_get(
2115                     player_response,
2116                     lambda x: x['streamingData']['hlsManifestUrl'],
2117                     compat_str))
2118                 or url_or_none(try_get(
2119                     video_info, lambda x: x['hlsvp'][0], compat_str)))
2120             if manifest_url:
2121                 formats = []
2122                 m3u8_formats = self._extract_m3u8_formats(
2123                     manifest_url, video_id, 'mp4', fatal=False)
2124                 for a_format in m3u8_formats:
2125                     itag = self._search_regex(
2126                         r'/itag/(\d+)/', a_format['url'], 'itag', default=None)
2127                     if itag:
2128                         a_format['format_id'] = itag
2129                         if itag in self._formats:
2130                             dct = self._formats[itag].copy()
2131                             dct.update(a_format)
2132                             a_format = dct
2133                     a_format['player_url'] = player_url
2134                     # Accept-Encoding header causes failures in live streams on Youtube and Youtube Gaming
2135                     a_format.setdefault('http_headers', {})['Youtubedl-no-compression'] = 'True'
2136                     formats.append(a_format)
2137             else:
2138                 error_message = extract_unavailable_message()
2139                 if not error_message:
2140                     error_message = clean_html(try_get(
2141                         player_response, lambda x: x['playabilityStatus']['reason'],
2142                         compat_str))
2143                 if not error_message:
2144                     error_message = clean_html(
2145                         try_get(video_info, lambda x: x['reason'][0], compat_str))
2146                 if error_message:
2147                     raise ExtractorError(error_message, expected=True)
2148                 raise ExtractorError('no conn, hlsvp, hlsManifestUrl or url_encoded_fmt_stream_map information found in video info')
2149
2150         # uploader
2151         video_uploader = try_get(
2152             video_info, lambda x: x['author'][0],
2153             compat_str) or str_or_none(video_details.get('author'))
2154         if video_uploader:
2155             video_uploader = compat_urllib_parse_unquote_plus(video_uploader)
2156         else:
2157             self._downloader.report_warning('unable to extract uploader name')
2158
2159         # uploader_id
2160         video_uploader_id = None
2161         video_uploader_url = None
2162         mobj = re.search(
2163             r'<link itemprop="url" href="(?P<uploader_url>https?://www\.youtube\.com/(?:user|channel)/(?P<uploader_id>[^"]+))">',
2164             video_webpage)
2165         if mobj is not None:
2166             video_uploader_id = mobj.group('uploader_id')
2167             video_uploader_url = mobj.group('uploader_url')
2168         else:
2169             self._downloader.report_warning('unable to extract uploader nickname')
2170
2171         channel_id = (
2172             str_or_none(video_details.get('channelId'))
2173             or self._html_search_meta(
2174                 'channelId', video_webpage, 'channel id', default=None)
2175             or self._search_regex(
2176                 r'data-channel-external-id=(["\'])(?P<id>(?:(?!\1).)+)\1',
2177                 video_webpage, 'channel id', default=None, group='id'))
2178         channel_url = 'http://www.youtube.com/channel/%s' % channel_id if channel_id else None
2179
2180         # thumbnail image
2181         # We try first to get a high quality image:
2182         m_thumb = re.search(r'<span itemprop="thumbnail".*?href="(.*?)">',
2183                             video_webpage, re.DOTALL)
2184         if m_thumb is not None:
2185             video_thumbnail = m_thumb.group(1)
2186         elif 'thumbnail_url' not in video_info:
2187             self._downloader.report_warning('unable to extract video thumbnail')
2188             video_thumbnail = None
2189         else:   # don't panic if we can't find it
2190             video_thumbnail = compat_urllib_parse_unquote_plus(video_info['thumbnail_url'][0])
2191
2192         # upload date
2193         upload_date = self._html_search_meta(
2194             'datePublished', video_webpage, 'upload date', default=None)
2195         if not upload_date:
2196             upload_date = self._search_regex(
2197                 [r'(?s)id="eow-date.*?>(.*?)</span>',
2198                  r'(?:id="watch-uploader-info".*?>.*?|["\']simpleText["\']\s*:\s*["\'])(?:Published|Uploaded|Streamed live|Started) on (.+?)[<"\']'],
2199                 video_webpage, 'upload date', default=None)
2200         upload_date = unified_strdate(upload_date)
2201
2202         video_license = self._html_search_regex(
2203             r'<h4[^>]+class="title"[^>]*>\s*License\s*</h4>\s*<ul[^>]*>\s*<li>(.+?)</li',
2204             video_webpage, 'license', default=None)
2205
2206         m_music = re.search(
2207             r'''(?x)
2208                 <h4[^>]+class="title"[^>]*>\s*Music\s*</h4>\s*
2209                 <ul[^>]*>\s*
2210                 <li>(?P<title>.+?)
2211                 by (?P<creator>.+?)
2212                 (?:
2213                     \(.+?\)|
2214                     <a[^>]*
2215                         (?:
2216                             \bhref=["\']/red[^>]*>|             # drop possible
2217                             >\s*Listen ad-free with YouTube Red # YouTube Red ad
2218                         )
2219                     .*?
2220                 )?</li
2221             ''',
2222             video_webpage)
2223         if m_music:
2224             video_alt_title = remove_quotes(unescapeHTML(m_music.group('title')))
2225             video_creator = clean_html(m_music.group('creator'))
2226         else:
2227             video_alt_title = video_creator = None
2228
2229         def extract_meta(field):
2230             return self._html_search_regex(
2231                 r'<h4[^>]+class="title"[^>]*>\s*%s\s*</h4>\s*<ul[^>]*>\s*<li>(.+?)</li>\s*' % field,
2232                 video_webpage, field, default=None)
2233
2234         track = extract_meta('Song')
2235         artist = extract_meta('Artist')
2236         album = extract_meta('Album')
2237
2238         # Youtube Music Auto-generated description
2239         release_date = release_year = None
2240         if video_description:
2241             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)
2242             if mobj:
2243                 if not track:
2244                     track = mobj.group('track').strip()
2245                 if not artist:
2246                     artist = mobj.group('clean_artist') or ', '.join(a.strip() for a in mobj.group('artist').split('·'))
2247                 if not album:
2248                     album = mobj.group('album'.strip())
2249                 release_year = mobj.group('release_year')
2250                 release_date = mobj.group('release_date')
2251                 if release_date:
2252                     release_date = release_date.replace('-', '')
2253                     if not release_year:
2254                         release_year = int(release_date[:4])
2255                 if release_year:
2256                     release_year = int(release_year)
2257
2258         m_episode = re.search(
2259             r'<div[^>]+id="watch7-headline"[^>]*>\s*<span[^>]*>.*?>(?P<series>[^<]+)</a></b>\s*S(?P<season>\d+)\s*•\s*E(?P<episode>\d+)</span>',
2260             video_webpage)
2261         if m_episode:
2262             series = unescapeHTML(m_episode.group('series'))
2263             season_number = int(m_episode.group('season'))
2264             episode_number = int(m_episode.group('episode'))
2265         else:
2266             series = season_number = episode_number = None
2267
2268         m_cat_container = self._search_regex(
2269             r'(?s)<h4[^>]*>\s*Category\s*</h4>\s*<ul[^>]*>(.*?)</ul>',
2270             video_webpage, 'categories', default=None)
2271         if m_cat_container:
2272             category = self._html_search_regex(
2273                 r'(?s)<a[^<]+>(.*?)</a>', m_cat_container, 'category',
2274                 default=None)
2275             video_categories = None if category is None else [category]
2276         else:
2277             video_categories = None
2278
2279         video_tags = [
2280             unescapeHTML(m.group('content'))
2281             for m in re.finditer(self._meta_regex('og:video:tag'), video_webpage)]
2282
2283         def _extract_count(count_name):
2284             return str_to_int(self._search_regex(
2285                 r'-%s-button[^>]+><span[^>]+class="yt-uix-button-content"[^>]*>([\d,]+)</span>'
2286                 % re.escape(count_name),
2287                 video_webpage, count_name, default=None))
2288
2289         like_count = _extract_count('like')
2290         dislike_count = _extract_count('dislike')
2291
2292         if view_count is None:
2293             view_count = str_to_int(self._search_regex(
2294                 r'<[^>]+class=["\']watch-view-count[^>]+>\s*([\d,\s]+)', video_webpage,
2295                 'view count', default=None))
2296
2297         average_rating = (
2298             float_or_none(video_details.get('averageRating'))
2299             or try_get(video_info, lambda x: float_or_none(x['avg_rating'][0])))
2300
2301         # subtitles
2302         video_subtitles = self.extract_subtitles(video_id, video_webpage)
2303         automatic_captions = self.extract_automatic_captions(video_id, video_webpage)
2304
2305         video_duration = try_get(
2306             video_info, lambda x: int_or_none(x['length_seconds'][0]))
2307         if not video_duration:
2308             video_duration = int_or_none(video_details.get('lengthSeconds'))
2309         if not video_duration:
2310             video_duration = parse_duration(self._html_search_meta(
2311                 'duration', video_webpage, 'video duration'))
2312
2313         # annotations
2314         video_annotations = None
2315         if self._downloader.params.get('writeannotations', False):
2316             xsrf_token = self._search_regex(
2317                 r'([\'"])XSRF_TOKEN\1\s*:\s*([\'"])(?P<xsrf_token>[A-Za-z0-9+/=]+)\2',
2318                 video_webpage, 'xsrf token', group='xsrf_token', fatal=False)
2319             invideo_url = try_get(
2320                 player_response, lambda x: x['annotations'][0]['playerAnnotationsUrlsRenderer']['invideoUrl'], compat_str)
2321             if xsrf_token and invideo_url:
2322                 xsrf_field_name = self._search_regex(
2323                     r'([\'"])XSRF_FIELD_NAME\1\s*:\s*([\'"])(?P<xsrf_field_name>\w+)\2',
2324                     video_webpage, 'xsrf field name',
2325                     group='xsrf_field_name', default='session_token')
2326                 video_annotations = self._download_webpage(
2327                     self._proto_relative_url(invideo_url),
2328                     video_id, note='Downloading annotations',
2329                     errnote='Unable to download video annotations', fatal=False,
2330                     data=urlencode_postdata({xsrf_field_name: xsrf_token}))
2331
2332         chapters = self._extract_chapters(description_original, video_duration)
2333
2334         # Look for the DASH manifest
2335         if self._downloader.params.get('youtube_include_dash_manifest', True):
2336             dash_mpd_fatal = True
2337             for mpd_url in dash_mpds:
2338                 dash_formats = {}
2339                 try:
2340                     def decrypt_sig(mobj):
2341                         s = mobj.group(1)
2342                         dec_s = self._decrypt_signature(s, video_id, player_url, age_gate)
2343                         return '/signature/%s' % dec_s
2344
2345                     mpd_url = re.sub(r'/s/([a-fA-F0-9\.]+)', decrypt_sig, mpd_url)
2346
2347                     for df in self._extract_mpd_formats(
2348                             mpd_url, video_id, fatal=dash_mpd_fatal,
2349                             formats_dict=self._formats):
2350                         if not df.get('filesize'):
2351                             df['filesize'] = _extract_filesize(df['url'])
2352                         # Do not overwrite DASH format found in some previous DASH manifest
2353                         if df['format_id'] not in dash_formats:
2354                             dash_formats[df['format_id']] = df
2355                         # Additional DASH manifests may end up in HTTP Error 403 therefore
2356                         # allow them to fail without bug report message if we already have
2357                         # some DASH manifest succeeded. This is temporary workaround to reduce
2358                         # burst of bug reports until we figure out the reason and whether it
2359                         # can be fixed at all.
2360                         dash_mpd_fatal = False
2361                 except (ExtractorError, KeyError) as e:
2362                     self.report_warning(
2363                         'Skipping DASH manifest: %r' % e, video_id)
2364                 if dash_formats:
2365                     # Remove the formats we found through non-DASH, they
2366                     # contain less info and it can be wrong, because we use
2367                     # fixed values (for example the resolution). See
2368                     # https://github.com/ytdl-org/youtube-dl/issues/5774 for an
2369                     # example.
2370                     formats = [f for f in formats if f['format_id'] not in dash_formats.keys()]
2371                     formats.extend(dash_formats.values())
2372
2373         # Check for malformed aspect ratio
2374         stretched_m = re.search(
2375             r'<meta\s+property="og:video:tag".*?content="yt:stretch=(?P<w>[0-9]+):(?P<h>[0-9]+)">',
2376             video_webpage)
2377         if stretched_m:
2378             w = float(stretched_m.group('w'))
2379             h = float(stretched_m.group('h'))
2380             # yt:stretch may hold invalid ratio data (e.g. for Q39EVAstoRM ratio is 17:0).
2381             # We will only process correct ratios.
2382             if w > 0 and h > 0:
2383                 ratio = w / h
2384                 for f in formats:
2385                     if f.get('vcodec') != 'none':
2386                         f['stretched_ratio'] = ratio
2387
2388         if not formats:
2389             token = extract_token(video_info)
2390             if not token:
2391                 if 'reason' in video_info:
2392                     if 'The uploader has not made this video available in your country.' in video_info['reason']:
2393                         regions_allowed = self._html_search_meta(
2394                             'regionsAllowed', video_webpage, default=None)
2395                         countries = regions_allowed.split(',') if regions_allowed else None
2396                         self.raise_geo_restricted(
2397                             msg=video_info['reason'][0], countries=countries)
2398                     reason = video_info['reason'][0]
2399                     if 'Invalid parameters' in reason:
2400                         unavailable_message = extract_unavailable_message()
2401                         if unavailable_message:
2402                             reason = unavailable_message
2403                     raise ExtractorError(
2404                         'YouTube said: %s' % reason,
2405                         expected=True, video_id=video_id)
2406                 else:
2407                     raise ExtractorError(
2408                         '"token" parameter not in video info for unknown reason',
2409                         video_id=video_id)
2410
2411         if not formats and (video_info.get('license_info') or try_get(player_response, lambda x: x['streamingData']['licenseInfos'])):
2412             raise ExtractorError('This video is DRM protected.', expected=True)
2413
2414         self._sort_formats(formats)
2415
2416         self.mark_watched(video_id, video_info, player_response)
2417
2418         return {
2419             'id': video_id,
2420             'uploader': video_uploader,
2421             'uploader_id': video_uploader_id,
2422             'uploader_url': video_uploader_url,
2423             'channel_id': channel_id,
2424             'channel_url': channel_url,
2425             'upload_date': upload_date,
2426             'license': video_license,
2427             'creator': video_creator or artist,
2428             'title': video_title,
2429             'alt_title': video_alt_title or track,
2430             'thumbnail': video_thumbnail,
2431             'description': video_description,
2432             'categories': video_categories,
2433             'tags': video_tags,
2434             'subtitles': video_subtitles,
2435             'automatic_captions': automatic_captions,
2436             'duration': video_duration,
2437             'age_limit': 18 if age_gate else 0,
2438             'annotations': video_annotations,
2439             'chapters': chapters,
2440             'webpage_url': proto + '://www.youtube.com/watch?v=%s' % video_id,
2441             'view_count': view_count,
2442             'like_count': like_count,
2443             'dislike_count': dislike_count,
2444             'average_rating': average_rating,
2445             'formats': formats,
2446             'is_live': is_live,
2447             'start_time': start_time,
2448             'end_time': end_time,
2449             'series': series,
2450             'season_number': season_number,
2451             'episode_number': episode_number,
2452             'track': track,
2453             'artist': artist,
2454             'album': album,
2455             'release_date': release_date,
2456             'release_year': release_year,
2457         }
2458
2459
2460 class YoutubePlaylistIE(YoutubePlaylistBaseInfoExtractor):
2461     IE_DESC = 'YouTube.com playlists'
2462     _VALID_URL = r"""(?x)(?:
2463                         (?:https?://)?
2464                         (?:\w+\.)?
2465                         (?:
2466                             (?:
2467                                 youtube\.com|
2468                                 invidio\.us
2469                             )
2470                             /
2471                             (?:
2472                                (?:course|view_play_list|my_playlists|artist|playlist|watch|embed/(?:videoseries|[0-9A-Za-z_-]{11}))
2473                                \? (?:.*?[&;])*? (?:p|a|list)=
2474                             |  p/
2475                             )|
2476                             youtu\.be/[0-9A-Za-z_-]{11}\?.*?\blist=
2477                         )
2478                         (
2479                             (?:PL|LL|EC|UU|FL|RD|UL|TL|OLAK5uy_)?[0-9A-Za-z-_]{10,}
2480                             # Top tracks, they can also include dots
2481                             |(?:MC)[\w\.]*
2482                         )
2483                         .*
2484                      |
2485                         (%(playlist_id)s)
2486                      )""" % {'playlist_id': YoutubeBaseInfoExtractor._PLAYLIST_ID_RE}
2487     _TEMPLATE_URL = 'https://www.youtube.com/playlist?list=%s'
2488     _VIDEO_RE_TPL = r'href="\s*/watch\?v=%s(?:&amp;(?:[^"]*?index=(?P<index>\d+))?(?:[^>]+>(?P<title>[^<]+))?)?'
2489     _VIDEO_RE = _VIDEO_RE_TPL % r'(?P<id>[0-9A-Za-z_-]{11})'
2490     IE_NAME = 'youtube:playlist'
2491     _TESTS = [{
2492         'url': 'https://www.youtube.com/playlist?list=PLwiyx1dc3P2JR9N8gQaQN_BCvlSlap7re',
2493         'info_dict': {
2494             'title': 'ytdl test PL',
2495             'id': 'PLwiyx1dc3P2JR9N8gQaQN_BCvlSlap7re',
2496         },
2497         'playlist_count': 3,
2498     }, {
2499         'url': 'https://www.youtube.com/playlist?list=PLtPgu7CB4gbZDA7i_euNxn75ISqxwZPYx',
2500         'info_dict': {
2501             'id': 'PLtPgu7CB4gbZDA7i_euNxn75ISqxwZPYx',
2502             'title': 'YDL_Empty_List',
2503         },
2504         'playlist_count': 0,
2505         'skip': 'This playlist is private',
2506     }, {
2507         'note': 'Playlist with deleted videos (#651). As a bonus, the video #51 is also twice in this list.',
2508         'url': 'https://www.youtube.com/playlist?list=PLwP_SiAcdui0KVebT0mU9Apz359a4ubsC',
2509         'info_dict': {
2510             'title': '29C3: Not my department',
2511             'id': 'PLwP_SiAcdui0KVebT0mU9Apz359a4ubsC',
2512             'uploader': 'Christiaan008',
2513             'uploader_id': 'ChRiStIaAn008',
2514         },
2515         'playlist_count': 95,
2516     }, {
2517         'note': 'issue #673',
2518         'url': 'PLBB231211A4F62143',
2519         'info_dict': {
2520             'title': '[OLD]Team Fortress 2 (Class-based LP)',
2521             'id': 'PLBB231211A4F62143',
2522             'uploader': 'Wickydoo',
2523             'uploader_id': 'Wickydoo',
2524         },
2525         'playlist_mincount': 26,
2526     }, {
2527         'note': 'Large playlist',
2528         'url': 'https://www.youtube.com/playlist?list=UUBABnxM4Ar9ten8Mdjj1j0Q',
2529         'info_dict': {
2530             'title': 'Uploads from Cauchemar',
2531             'id': 'UUBABnxM4Ar9ten8Mdjj1j0Q',
2532             'uploader': 'Cauchemar',
2533             'uploader_id': 'Cauchemar89',
2534         },
2535         'playlist_mincount': 799,
2536     }, {
2537         'url': 'PLtPgu7CB4gbY9oDN3drwC3cMbJggS7dKl',
2538         'info_dict': {
2539             'title': 'YDL_safe_search',
2540             'id': 'PLtPgu7CB4gbY9oDN3drwC3cMbJggS7dKl',
2541         },
2542         'playlist_count': 2,
2543         'skip': 'This playlist is private',
2544     }, {
2545         'note': 'embedded',
2546         'url': 'https://www.youtube.com/embed/videoseries?list=PL6IaIsEjSbf96XFRuNccS_RuEXwNdsoEu',
2547         'playlist_count': 4,
2548         'info_dict': {
2549             'title': 'JODA15',
2550             'id': 'PL6IaIsEjSbf96XFRuNccS_RuEXwNdsoEu',
2551             'uploader': 'milan',
2552             'uploader_id': 'UCEI1-PVPcYXjB73Hfelbmaw',
2553         }
2554     }, {
2555         'url': 'http://www.youtube.com/embed/_xDOZElKyNU?list=PLsyOSbh5bs16vubvKePAQ1x3PhKavfBIl',
2556         'playlist_mincount': 485,
2557         'info_dict': {
2558             'title': '2018 Chinese New Singles (11/6 updated)',
2559             'id': 'PLsyOSbh5bs16vubvKePAQ1x3PhKavfBIl',
2560             'uploader': 'LBK',
2561             'uploader_id': 'sdragonfang',
2562         }
2563     }, {
2564         'note': 'Embedded SWF player',
2565         'url': 'https://www.youtube.com/p/YN5VISEtHet5D4NEvfTd0zcgFk84NqFZ?hl=en_US&fs=1&rel=0',
2566         'playlist_count': 4,
2567         'info_dict': {
2568             'title': 'JODA7',
2569             'id': 'YN5VISEtHet5D4NEvfTd0zcgFk84NqFZ',
2570         },
2571         'skip': 'This playlist does not exist',
2572     }, {
2573         'note': 'Buggy playlist: the webpage has a "Load more" button but it doesn\'t have more videos',
2574         'url': 'https://www.youtube.com/playlist?list=UUXw-G3eDE9trcvY2sBMM_aA',
2575         'info_dict': {
2576             'title': 'Uploads from Interstellar Movie',
2577             'id': 'UUXw-G3eDE9trcvY2sBMM_aA',
2578             'uploader': 'Interstellar Movie',
2579             'uploader_id': 'InterstellarMovie1',
2580         },
2581         'playlist_mincount': 21,
2582     }, {
2583         # Playlist URL that does not actually serve a playlist
2584         'url': 'https://www.youtube.com/watch?v=FqZTN594JQw&list=PLMYEtVRpaqY00V9W81Cwmzp6N6vZqfUKD4',
2585         'info_dict': {
2586             'id': 'FqZTN594JQw',
2587             'ext': 'webm',
2588             'title': "Smiley's People 01 detective, Adventure Series, Action",
2589             'uploader': 'STREEM',
2590             'uploader_id': 'UCyPhqAZgwYWZfxElWVbVJng',
2591             'uploader_url': r're:https?://(?:www\.)?youtube\.com/channel/UCyPhqAZgwYWZfxElWVbVJng',
2592             'upload_date': '20150526',
2593             'license': 'Standard YouTube License',
2594             'description': 'md5:507cdcb5a49ac0da37a920ece610be80',
2595             'categories': ['People & Blogs'],
2596             'tags': list,
2597             'view_count': int,
2598             'like_count': int,
2599             'dislike_count': int,
2600         },
2601         'params': {
2602             'skip_download': True,
2603         },
2604         'skip': 'This video is not available.',
2605         'add_ie': [YoutubeIE.ie_key()],
2606     }, {
2607         'url': 'https://youtu.be/yeWKywCrFtk?list=PL2qgrgXsNUG5ig9cat4ohreBjYLAPC0J5',
2608         'info_dict': {
2609             'id': 'yeWKywCrFtk',
2610             'ext': 'mp4',
2611             'title': 'Small Scale Baler and Braiding Rugs',
2612             'uploader': 'Backus-Page House Museum',
2613             'uploader_id': 'backuspagemuseum',
2614             'uploader_url': r're:https?://(?:www\.)?youtube\.com/user/backuspagemuseum',
2615             'upload_date': '20161008',
2616             'description': 'md5:800c0c78d5eb128500bffd4f0b4f2e8a',
2617             'categories': ['Nonprofits & Activism'],
2618             'tags': list,
2619             'like_count': int,
2620             'dislike_count': int,
2621         },
2622         'params': {
2623             'noplaylist': True,
2624             'skip_download': True,
2625         },
2626     }, {
2627         # https://github.com/ytdl-org/youtube-dl/issues/21844
2628         'url': 'https://www.youtube.com/playlist?list=PLzH6n4zXuckpfMu_4Ff8E7Z1behQks5ba',
2629         'info_dict': {
2630             'title': 'Data Analysis with Dr Mike Pound',
2631             'id': 'PLzH6n4zXuckpfMu_4Ff8E7Z1behQks5ba',
2632             'uploader_id': 'Computerphile',
2633             'uploader': 'Computerphile',
2634         },
2635         'playlist_mincount': 11,
2636     }, {
2637         'url': 'https://youtu.be/uWyaPkt-VOI?list=PL9D9FC436B881BA21',
2638         'only_matching': True,
2639     }, {
2640         'url': 'TLGGrESM50VT6acwMjAyMjAxNw',
2641         'only_matching': True,
2642     }, {
2643         # music album playlist
2644         'url': 'OLAK5uy_m4xAFdmMC5rX3Ji3g93pQe3hqLZw_9LhM',
2645         'only_matching': True,
2646     }, {
2647         'url': 'https://invidio.us/playlist?list=PLDIoUOhQQPlXr63I_vwF9GD8sAKh77dWU',
2648         'only_matching': True,
2649     }]
2650
2651     def _real_initialize(self):
2652         self._login()
2653
2654     def extract_videos_from_page(self, page):
2655         ids_in_page = []
2656         titles_in_page = []
2657
2658         for item in re.findall(
2659                 r'(<[^>]*\bdata-video-id\s*=\s*["\'][0-9A-Za-z_-]{11}[^>]+>)', page):
2660             attrs = extract_attributes(item)
2661             video_id = attrs['data-video-id']
2662             video_title = unescapeHTML(attrs.get('data-title'))
2663             if video_title:
2664                 video_title = video_title.strip()
2665             ids_in_page.append(video_id)
2666             titles_in_page.append(video_title)
2667
2668         # Fallback with old _VIDEO_RE
2669         self.extract_videos_from_page_impl(
2670             self._VIDEO_RE, page, ids_in_page, titles_in_page)
2671
2672         # Relaxed fallbacks
2673         self.extract_videos_from_page_impl(
2674             r'href="\s*/watch\?v\s*=\s*(?P<id>[0-9A-Za-z_-]{11})', page,
2675             ids_in_page, titles_in_page)
2676         self.extract_videos_from_page_impl(
2677             r'data-video-ids\s*=\s*["\'](?P<id>[0-9A-Za-z_-]{11})', page,
2678             ids_in_page, titles_in_page)
2679
2680         return zip(ids_in_page, titles_in_page)
2681
2682     def _extract_mix(self, playlist_id):
2683         # The mixes are generated from a single video
2684         # the id of the playlist is just 'RD' + video_id
2685         ids = []
2686         last_id = playlist_id[-11:]
2687         for n in itertools.count(1):
2688             url = 'https://youtube.com/watch?v=%s&list=%s' % (last_id, playlist_id)
2689             webpage = self._download_webpage(
2690                 url, playlist_id, 'Downloading page {0} of Youtube mix'.format(n))
2691             new_ids = orderedSet(re.findall(
2692                 r'''(?xs)data-video-username=".*?".*?
2693                            href="/watch\?v=([0-9A-Za-z_-]{11})&amp;[^"]*?list=%s''' % re.escape(playlist_id),
2694                 webpage))
2695             # Fetch new pages until all the videos are repeated, it seems that
2696             # there are always 51 unique videos.
2697             new_ids = [_id for _id in new_ids if _id not in ids]
2698             if not new_ids:
2699                 break
2700             ids.extend(new_ids)
2701             last_id = ids[-1]
2702
2703         url_results = self._ids_to_results(ids)
2704
2705         search_title = lambda class_name: get_element_by_attribute('class', class_name, webpage)
2706         title_span = (
2707             search_title('playlist-title')
2708             or search_title('title long-title')
2709             or search_title('title'))
2710         title = clean_html(title_span)
2711
2712         return self.playlist_result(url_results, playlist_id, title)
2713
2714     def _extract_playlist(self, playlist_id):
2715         url = self._TEMPLATE_URL % playlist_id
2716         page = self._download_webpage(url, playlist_id)
2717
2718         # the yt-alert-message now has tabindex attribute (see https://github.com/ytdl-org/youtube-dl/issues/11604)
2719         for match in re.findall(r'<div class="yt-alert-message"[^>]*>([^<]+)</div>', page):
2720             match = match.strip()
2721             # Check if the playlist exists or is private
2722             mobj = re.match(r'[^<]*(?:The|This) playlist (?P<reason>does not exist|is private)[^<]*', match)
2723             if mobj:
2724                 reason = mobj.group('reason')
2725                 message = 'This playlist %s' % reason
2726                 if 'private' in reason:
2727                     message += ', use --username or --netrc to access it'
2728                 message += '.'
2729                 raise ExtractorError(message, expected=True)
2730             elif re.match(r'[^<]*Invalid parameters[^<]*', match):
2731                 raise ExtractorError(
2732                     'Invalid parameters. Maybe URL is incorrect.',
2733                     expected=True)
2734             elif re.match(r'[^<]*Choose your language[^<]*', match):
2735                 continue
2736             else:
2737                 self.report_warning('Youtube gives an alert message: ' + match)
2738
2739         playlist_title = self._html_search_regex(
2740             r'(?s)<h1 class="pl-header-title[^"]*"[^>]*>\s*(.*?)\s*</h1>',
2741             page, 'title', default=None)
2742
2743         _UPLOADER_BASE = r'class=["\']pl-header-details[^>]+>\s*<li>\s*<a[^>]+\bhref='
2744         uploader = self._html_search_regex(
2745             r'%s["\']/(?:user|channel)/[^>]+>([^<]+)' % _UPLOADER_BASE,
2746             page, 'uploader', default=None)
2747         mobj = re.search(
2748             r'%s(["\'])(?P<path>/(?:user|channel)/(?P<uploader_id>.+?))\1' % _UPLOADER_BASE,
2749             page)
2750         if mobj:
2751             uploader_id = mobj.group('uploader_id')
2752             uploader_url = compat_urlparse.urljoin(url, mobj.group('path'))
2753         else:
2754             uploader_id = uploader_url = None
2755
2756         has_videos = True
2757
2758         if not playlist_title:
2759             try:
2760                 # Some playlist URLs don't actually serve a playlist (e.g.
2761                 # https://www.youtube.com/watch?v=FqZTN594JQw&list=PLMYEtVRpaqY00V9W81Cwmzp6N6vZqfUKD4)
2762                 next(self._entries(page, playlist_id))
2763             except StopIteration:
2764                 has_videos = False
2765
2766         playlist = self.playlist_result(
2767             self._entries(page, playlist_id), playlist_id, playlist_title)
2768         playlist.update({
2769             'uploader': uploader,
2770             'uploader_id': uploader_id,
2771             'uploader_url': uploader_url,
2772         })
2773
2774         return has_videos, playlist
2775
2776     def _check_download_just_video(self, url, playlist_id):
2777         # Check if it's a video-specific URL
2778         query_dict = compat_urlparse.parse_qs(compat_urlparse.urlparse(url).query)
2779         video_id = query_dict.get('v', [None])[0] or self._search_regex(
2780             r'(?:(?:^|//)youtu\.be/|youtube\.com/embed/(?!videoseries))([0-9A-Za-z_-]{11})', url,
2781             'video id', default=None)
2782         if video_id:
2783             if self._downloader.params.get('noplaylist'):
2784                 self.to_screen('Downloading just video %s because of --no-playlist' % video_id)
2785                 return video_id, self.url_result(video_id, 'Youtube', video_id=video_id)
2786             else:
2787                 self.to_screen('Downloading playlist %s - add --no-playlist to just download video %s' % (playlist_id, video_id))
2788                 return video_id, None
2789         return None, None
2790
2791     def _real_extract(self, url):
2792         # Extract playlist id
2793         mobj = re.match(self._VALID_URL, url)
2794         if mobj is None:
2795             raise ExtractorError('Invalid URL: %s' % url)
2796         playlist_id = mobj.group(1) or mobj.group(2)
2797
2798         video_id, video = self._check_download_just_video(url, playlist_id)
2799         if video:
2800             return video
2801
2802         if playlist_id.startswith(('RD', 'UL', 'PU')):
2803             # Mixes require a custom extraction process
2804             return self._extract_mix(playlist_id)
2805
2806         has_videos, playlist = self._extract_playlist(playlist_id)
2807         if has_videos or not video_id:
2808             return playlist
2809
2810         # Some playlist URLs don't actually serve a playlist (see
2811         # https://github.com/ytdl-org/youtube-dl/issues/10537).
2812         # Fallback to plain video extraction if there is a video id
2813         # along with playlist id.
2814         return self.url_result(video_id, 'Youtube', video_id=video_id)
2815
2816
2817 class YoutubeChannelIE(YoutubePlaylistBaseInfoExtractor):
2818     IE_DESC = 'YouTube.com channels'
2819     _VALID_URL = r'https?://(?:youtu\.be|(?:\w+\.)?youtube(?:-nocookie)?\.com|(?:www\.)?invidio\.us)/channel/(?P<id>[0-9A-Za-z_-]+)'
2820     _TEMPLATE_URL = 'https://www.youtube.com/channel/%s/videos'
2821     _VIDEO_RE = r'(?:title="(?P<title>[^"]+)"[^>]+)?href="/watch\?v=(?P<id>[0-9A-Za-z_-]+)&?'
2822     IE_NAME = 'youtube:channel'
2823     _TESTS = [{
2824         'note': 'paginated channel',
2825         'url': 'https://www.youtube.com/channel/UCKfVa3S1e4PHvxWcwyMMg8w',
2826         'playlist_mincount': 91,
2827         'info_dict': {
2828             'id': 'UUKfVa3S1e4PHvxWcwyMMg8w',
2829             'title': 'Uploads from lex will',
2830             'uploader': 'lex will',
2831             'uploader_id': 'UCKfVa3S1e4PHvxWcwyMMg8w',
2832         }
2833     }, {
2834         'note': 'Age restricted channel',
2835         # from https://www.youtube.com/user/DeusExOfficial
2836         'url': 'https://www.youtube.com/channel/UCs0ifCMCm1icqRbqhUINa0w',
2837         'playlist_mincount': 64,
2838         'info_dict': {
2839             'id': 'UUs0ifCMCm1icqRbqhUINa0w',
2840             'title': 'Uploads from Deus Ex',
2841             'uploader': 'Deus Ex',
2842             'uploader_id': 'DeusExOfficial',
2843         },
2844     }, {
2845         'url': 'https://invidio.us/channel/UC23qupoDRn9YOAVzeoxjOQA',
2846         'only_matching': True,
2847     }]
2848
2849     @classmethod
2850     def suitable(cls, url):
2851         return (False if YoutubePlaylistsIE.suitable(url) or YoutubeLiveIE.suitable(url)
2852                 else super(YoutubeChannelIE, cls).suitable(url))
2853
2854     def _build_template_url(self, url, channel_id):
2855         return self._TEMPLATE_URL % channel_id
2856
2857     def _real_extract(self, url):
2858         channel_id = self._match_id(url)
2859
2860         url = self._build_template_url(url, channel_id)
2861
2862         # Channel by page listing is restricted to 35 pages of 30 items, i.e. 1050 videos total (see #5778)
2863         # Workaround by extracting as a playlist if managed to obtain channel playlist URL
2864         # otherwise fallback on channel by page extraction
2865         channel_page = self._download_webpage(
2866             url + '?view=57', channel_id,
2867             'Downloading channel page', fatal=False)
2868         if channel_page is False:
2869             channel_playlist_id = False
2870         else:
2871             channel_playlist_id = self._html_search_meta(
2872                 'channelId', channel_page, 'channel id', default=None)
2873             if not channel_playlist_id:
2874                 channel_url = self._html_search_meta(
2875                     ('al:ios:url', 'twitter:app:url:iphone', 'twitter:app:url:ipad'),
2876                     channel_page, 'channel url', default=None)
2877                 if channel_url:
2878                     channel_playlist_id = self._search_regex(
2879                         r'vnd\.youtube://user/([0-9A-Za-z_-]+)',
2880                         channel_url, 'channel id', default=None)
2881         if channel_playlist_id and channel_playlist_id.startswith('UC'):
2882             playlist_id = 'UU' + channel_playlist_id[2:]
2883             return self.url_result(
2884                 compat_urlparse.urljoin(url, '/playlist?list=%s' % playlist_id), 'YoutubePlaylist')
2885
2886         channel_page = self._download_webpage(url, channel_id, 'Downloading page #1')
2887         autogenerated = re.search(r'''(?x)
2888                 class="[^"]*?(?:
2889                     channel-header-autogenerated-label|
2890                     yt-channel-title-autogenerated
2891                 )[^"]*"''', channel_page) is not None
2892
2893         if autogenerated:
2894             # The videos are contained in a single page
2895             # the ajax pages can't be used, they are empty
2896             entries = [
2897                 self.url_result(
2898                     video_id, 'Youtube', video_id=video_id,
2899                     video_title=video_title)
2900                 for video_id, video_title in self.extract_videos_from_page(channel_page)]
2901             return self.playlist_result(entries, channel_id)
2902
2903         try:
2904             next(self._entries(channel_page, channel_id))
2905         except StopIteration:
2906             alert_message = self._html_search_regex(
2907                 r'(?s)<div[^>]+class=(["\']).*?\byt-alert-message\b.*?\1[^>]*>(?P<alert>[^<]+)</div>',
2908                 channel_page, 'alert', default=None, group='alert')
2909             if alert_message:
2910                 raise ExtractorError('Youtube said: %s' % alert_message, expected=True)
2911
2912         return self.playlist_result(self._entries(channel_page, channel_id), channel_id)
2913
2914
2915 class YoutubeUserIE(YoutubeChannelIE):
2916     IE_DESC = 'YouTube.com user videos (URL or "ytuser" keyword)'
2917     _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_-]+)'
2918     _TEMPLATE_URL = 'https://www.youtube.com/%s/%s/videos'
2919     IE_NAME = 'youtube:user'
2920
2921     _TESTS = [{
2922         'url': 'https://www.youtube.com/user/TheLinuxFoundation',
2923         'playlist_mincount': 320,
2924         'info_dict': {
2925             'id': 'UUfX55Sx5hEFjoC3cNs6mCUQ',
2926             'title': 'Uploads from The Linux Foundation',
2927             'uploader': 'The Linux Foundation',
2928             'uploader_id': 'TheLinuxFoundation',
2929         }
2930     }, {
2931         # Only available via https://www.youtube.com/c/12minuteathlete/videos
2932         # but not https://www.youtube.com/user/12minuteathlete/videos
2933         'url': 'https://www.youtube.com/c/12minuteathlete/videos',
2934         'playlist_mincount': 249,
2935         'info_dict': {
2936             'id': 'UUVjM-zV6_opMDx7WYxnjZiQ',
2937             'title': 'Uploads from 12 Minute Athlete',
2938             'uploader': '12 Minute Athlete',
2939             'uploader_id': 'the12minuteathlete',
2940         }
2941     }, {
2942         'url': 'ytuser:phihag',
2943         'only_matching': True,
2944     }, {
2945         'url': 'https://www.youtube.com/c/gametrailers',
2946         'only_matching': True,
2947     }, {
2948         'url': 'https://www.youtube.com/gametrailers',
2949         'only_matching': True,
2950     }, {
2951         # This channel is not available, geo restricted to JP
2952         'url': 'https://www.youtube.com/user/kananishinoSMEJ/videos',
2953         'only_matching': True,
2954     }]
2955
2956     @classmethod
2957     def suitable(cls, url):
2958         # Don't return True if the url can be extracted with other youtube
2959         # extractor, the regex would is too permissive and it would match.
2960         other_yt_ies = iter(klass for (name, klass) in globals().items() if name.startswith('Youtube') and name.endswith('IE') and klass is not cls)
2961         if any(ie.suitable(url) for ie in other_yt_ies):
2962             return False
2963         else:
2964             return super(YoutubeUserIE, cls).suitable(url)
2965
2966     def _build_template_url(self, url, channel_id):
2967         mobj = re.match(self._VALID_URL, url)
2968         return self._TEMPLATE_URL % (mobj.group('user') or 'user', mobj.group('id'))
2969
2970
2971 class YoutubeLiveIE(YoutubeBaseInfoExtractor):
2972     IE_DESC = 'YouTube.com live streams'
2973     _VALID_URL = r'(?P<base_url>https?://(?:\w+\.)?youtube\.com/(?:(?:user|channel|c)/)?(?P<id>[^/]+))/live'
2974     IE_NAME = 'youtube:live'
2975
2976     _TESTS = [{
2977         'url': 'https://www.youtube.com/user/TheYoungTurks/live',
2978         'info_dict': {
2979             'id': 'a48o2S1cPoo',
2980             'ext': 'mp4',
2981             'title': 'The Young Turks - Live Main Show',
2982             'uploader': 'The Young Turks',
2983             'uploader_id': 'TheYoungTurks',
2984             'uploader_url': r're:https?://(?:www\.)?youtube\.com/user/TheYoungTurks',
2985             'upload_date': '20150715',
2986             'license': 'Standard YouTube License',
2987             'description': 'md5:438179573adcdff3c97ebb1ee632b891',
2988             'categories': ['News & Politics'],
2989             'tags': ['Cenk Uygur (TV Program Creator)', 'The Young Turks (Award-Winning Work)', 'Talk Show (TV Genre)'],
2990             'like_count': int,
2991             'dislike_count': int,
2992         },
2993         'params': {
2994             'skip_download': True,
2995         },
2996     }, {
2997         'url': 'https://www.youtube.com/channel/UC1yBKRuGpC1tSM73A0ZjYjQ/live',
2998         'only_matching': True,
2999     }, {
3000         'url': 'https://www.youtube.com/c/CommanderVideoHq/live',
3001         'only_matching': True,
3002     }, {
3003         'url': 'https://www.youtube.com/TheYoungTurks/live',
3004         'only_matching': True,
3005     }]
3006
3007     def _real_extract(self, url):
3008         mobj = re.match(self._VALID_URL, url)
3009         channel_id = mobj.group('id')
3010         base_url = mobj.group('base_url')
3011         webpage = self._download_webpage(url, channel_id, fatal=False)
3012         if webpage:
3013             page_type = self._og_search_property(
3014                 'type', webpage, 'page type', default='')
3015             video_id = self._html_search_meta(
3016                 'videoId', webpage, 'video id', default=None)
3017             if page_type.startswith('video') and video_id and re.match(
3018                     r'^[0-9A-Za-z_-]{11}$', video_id):
3019                 return self.url_result(video_id, YoutubeIE.ie_key())
3020         return self.url_result(base_url)
3021
3022
3023 class YoutubePlaylistsIE(YoutubePlaylistsBaseInfoExtractor):
3024     IE_DESC = 'YouTube.com user/channel playlists'
3025     _VALID_URL = r'https?://(?:\w+\.)?youtube\.com/(?:user|channel)/(?P<id>[^/]+)/playlists'
3026     IE_NAME = 'youtube:playlists'
3027
3028     _TESTS = [{
3029         'url': 'https://www.youtube.com/user/ThirstForScience/playlists',
3030         'playlist_mincount': 4,
3031         'info_dict': {
3032             'id': 'ThirstForScience',
3033             'title': 'ThirstForScience',
3034         },
3035     }, {
3036         # with "Load more" button
3037         'url': 'https://www.youtube.com/user/igorkle1/playlists?view=1&sort=dd',
3038         'playlist_mincount': 70,
3039         'info_dict': {
3040             'id': 'igorkle1',
3041             'title': 'Игорь Клейнер',
3042         },
3043     }, {
3044         'url': 'https://www.youtube.com/channel/UCiU1dHvZObB2iP6xkJ__Icw/playlists',
3045         'playlist_mincount': 17,
3046         'info_dict': {
3047             'id': 'UCiU1dHvZObB2iP6xkJ__Icw',
3048             'title': 'Chem Player',
3049         },
3050         'skip': 'Blocked',
3051     }]
3052
3053
3054 class YoutubeSearchBaseInfoExtractor(YoutubePlaylistBaseInfoExtractor):
3055     _VIDEO_RE = r'href="\s*/watch\?v=(?P<id>[0-9A-Za-z_-]{11})(?:[^"]*"[^>]+\btitle="(?P<title>[^"]+))?'
3056
3057
3058 class YoutubeSearchIE(SearchInfoExtractor, YoutubeSearchBaseInfoExtractor):
3059     IE_DESC = 'YouTube.com searches'
3060     # there doesn't appear to be a real limit, for example if you search for
3061     # 'python' you get more than 8.000.000 results
3062     _MAX_RESULTS = float('inf')
3063     IE_NAME = 'youtube:search'
3064     _SEARCH_KEY = 'ytsearch'
3065     _EXTRA_QUERY_ARGS = {}
3066     _TESTS = []
3067
3068     def _get_n_results(self, query, n):
3069         """Get a specified number of results for a query"""
3070
3071         videos = []
3072         limit = n
3073
3074         url_query = {
3075             'search_query': query.encode('utf-8'),
3076         }
3077         url_query.update(self._EXTRA_QUERY_ARGS)
3078         result_url = 'https://www.youtube.com/results?' + compat_urllib_parse_urlencode(url_query)
3079
3080         for pagenum in itertools.count(1):
3081             data = self._download_json(
3082                 result_url, video_id='query "%s"' % query,
3083                 note='Downloading page %s' % pagenum,
3084                 errnote='Unable to download API page',
3085                 query={'spf': 'navigate'})
3086             html_content = data[1]['body']['content']
3087
3088             if 'class="search-message' in html_content:
3089                 raise ExtractorError(
3090                     '[youtube] No video results', expected=True)
3091
3092             new_videos = list(self._process_page(html_content))
3093             videos += new_videos
3094             if not new_videos or len(videos) > limit:
3095                 break
3096             next_link = self._html_search_regex(
3097                 r'href="(/results\?[^"]*\bsp=[^"]+)"[^>]*>\s*<span[^>]+class="[^"]*\byt-uix-button-content\b[^"]*"[^>]*>Next',
3098                 html_content, 'next link', default=None)
3099             if next_link is None:
3100                 break
3101             result_url = compat_urlparse.urljoin('https://www.youtube.com/', next_link)
3102
3103         if len(videos) > n:
3104             videos = videos[:n]
3105         return self.playlist_result(videos, query)
3106
3107
3108 class YoutubeSearchDateIE(YoutubeSearchIE):
3109     IE_NAME = YoutubeSearchIE.IE_NAME + ':date'
3110     _SEARCH_KEY = 'ytsearchdate'
3111     IE_DESC = 'YouTube.com searches, newest videos first'
3112     _EXTRA_QUERY_ARGS = {'search_sort': 'video_date_uploaded'}
3113
3114
3115 class YoutubeSearchURLIE(YoutubeSearchBaseInfoExtractor):
3116     IE_DESC = 'YouTube.com search URLs'
3117     IE_NAME = 'youtube:search_url'
3118     _VALID_URL = r'https?://(?:www\.)?youtube\.com/results\?(.*?&)?(?:search_query|q)=(?P<query>[^&]+)(?:[&]|$)'
3119     _TESTS = [{
3120         'url': 'https://www.youtube.com/results?baz=bar&search_query=youtube-dl+test+video&filters=video&lclk=video',
3121         'playlist_mincount': 5,
3122         'info_dict': {
3123             'title': 'youtube-dl test video',
3124         }
3125     }, {
3126         'url': 'https://www.youtube.com/results?q=test&sp=EgQIBBgB',
3127         'only_matching': True,
3128     }]
3129
3130     def _real_extract(self, url):
3131         mobj = re.match(self._VALID_URL, url)
3132         query = compat_urllib_parse_unquote_plus(mobj.group('query'))
3133         webpage = self._download_webpage(url, query)
3134         return self.playlist_result(self._process_page(webpage), playlist_title=query)
3135
3136
3137 class YoutubeShowIE(YoutubePlaylistsBaseInfoExtractor):
3138     IE_DESC = 'YouTube.com (multi-season) shows'
3139     _VALID_URL = r'https?://(?:www\.)?youtube\.com/show/(?P<id>[^?#]*)'
3140     IE_NAME = 'youtube:show'
3141     _TESTS = [{
3142         'url': 'https://www.youtube.com/show/airdisasters',
3143         'playlist_mincount': 5,
3144         'info_dict': {
3145             'id': 'airdisasters',
3146             'title': 'Air Disasters',
3147         }
3148     }]
3149
3150     def _real_extract(self, url):
3151         playlist_id = self._match_id(url)
3152         return super(YoutubeShowIE, self)._real_extract(
3153             'https://www.youtube.com/show/%s/playlists' % playlist_id)
3154
3155
3156 class YoutubeFeedsInfoExtractor(YoutubeBaseInfoExtractor):
3157     """
3158     Base class for feed extractors
3159     Subclasses must define the _FEED_NAME and _PLAYLIST_TITLE properties.
3160     """
3161     _LOGIN_REQUIRED = True
3162
3163     @property
3164     def IE_NAME(self):
3165         return 'youtube:%s' % self._FEED_NAME
3166
3167     def _real_initialize(self):
3168         self._login()
3169
3170     def _entries(self, page):
3171         # The extraction process is the same as for playlists, but the regex
3172         # for the video ids doesn't contain an index
3173         ids = []
3174         more_widget_html = content_html = page
3175         for page_num in itertools.count(1):
3176             matches = re.findall(r'href="\s*/watch\?v=([0-9A-Za-z_-]{11})', content_html)
3177
3178             # 'recommended' feed has infinite 'load more' and each new portion spins
3179             # the same videos in (sometimes) slightly different order, so we'll check
3180             # for unicity and break when portion has no new videos
3181             new_ids = list(filter(lambda video_id: video_id not in ids, orderedSet(matches)))
3182             if not new_ids:
3183                 break
3184
3185             ids.extend(new_ids)
3186
3187             for entry in self._ids_to_results(new_ids):
3188                 yield entry
3189
3190             mobj = re.search(r'data-uix-load-more-href="/?(?P<more>[^"]+)"', more_widget_html)
3191             if not mobj:
3192                 break
3193
3194             more = self._download_json(
3195                 'https://youtube.com/%s' % mobj.group('more'), self._PLAYLIST_TITLE,
3196                 'Downloading page #%s' % page_num,
3197                 transform_source=uppercase_escape)
3198             content_html = more['content_html']
3199             more_widget_html = more['load_more_widget_html']
3200
3201     def _real_extract(self, url):
3202         page = self._download_webpage(
3203             'https://www.youtube.com/feed/%s' % self._FEED_NAME,
3204             self._PLAYLIST_TITLE)
3205         return self.playlist_result(
3206             self._entries(page), playlist_title=self._PLAYLIST_TITLE)
3207
3208
3209 class YoutubeWatchLaterIE(YoutubePlaylistIE):
3210     IE_NAME = 'youtube:watchlater'
3211     IE_DESC = 'Youtube watch later list, ":ytwatchlater" for short (requires authentication)'
3212     _VALID_URL = r'https?://(?:www\.)?youtube\.com/(?:feed/watch_later|(?:playlist|watch)\?(?:.+&)?list=WL)|:ytwatchlater'
3213
3214     _TESTS = [{
3215         'url': 'https://www.youtube.com/playlist?list=WL',
3216         'only_matching': True,
3217     }, {
3218         'url': 'https://www.youtube.com/watch?v=bCNU9TrbiRk&index=1&list=WL',
3219         'only_matching': True,
3220     }]
3221
3222     def _real_extract(self, url):
3223         _, video = self._check_download_just_video(url, 'WL')
3224         if video:
3225             return video
3226         _, playlist = self._extract_playlist('WL')
3227         return playlist
3228
3229
3230 class YoutubeFavouritesIE(YoutubeBaseInfoExtractor):
3231     IE_NAME = 'youtube:favorites'
3232     IE_DESC = 'YouTube.com favourite videos, ":ytfav" for short (requires authentication)'
3233     _VALID_URL = r'https?://(?:www\.)?youtube\.com/my_favorites|:ytfav(?:ou?rites)?'
3234     _LOGIN_REQUIRED = True
3235
3236     def _real_extract(self, url):
3237         webpage = self._download_webpage('https://www.youtube.com/my_favorites', 'Youtube Favourites videos')
3238         playlist_id = self._search_regex(r'list=(.+?)["&]', webpage, 'favourites playlist id')
3239         return self.url_result(playlist_id, 'YoutubePlaylist')
3240
3241
3242 class YoutubeRecommendedIE(YoutubeFeedsInfoExtractor):
3243     IE_DESC = 'YouTube.com recommended videos, ":ytrec" for short (requires authentication)'
3244     _VALID_URL = r'https?://(?:www\.)?youtube\.com/feed/recommended|:ytrec(?:ommended)?'
3245     _FEED_NAME = 'recommended'
3246     _PLAYLIST_TITLE = 'Youtube Recommended videos'
3247
3248
3249 class YoutubeSubscriptionsIE(YoutubeFeedsInfoExtractor):
3250     IE_DESC = 'YouTube.com subscriptions feed, "ytsubs" keyword (requires authentication)'
3251     _VALID_URL = r'https?://(?:www\.)?youtube\.com/feed/subscriptions|:ytsubs(?:criptions)?'
3252     _FEED_NAME = 'subscriptions'
3253     _PLAYLIST_TITLE = 'Youtube Subscriptions'
3254
3255
3256 class YoutubeHistoryIE(YoutubeFeedsInfoExtractor):
3257     IE_DESC = 'Youtube watch history, ":ythistory" for short (requires authentication)'
3258     _VALID_URL = r'https?://(?:www\.)?youtube\.com/feed/history|:ythistory'
3259     _FEED_NAME = 'history'
3260     _PLAYLIST_TITLE = 'Youtube History'
3261
3262
3263 class YoutubeTruncatedURLIE(InfoExtractor):
3264     IE_NAME = 'youtube:truncated_url'
3265     IE_DESC = False  # Do not list
3266     _VALID_URL = r'''(?x)
3267         (?:https?://)?
3268         (?:\w+\.)?[yY][oO][uU][tT][uU][bB][eE](?:-nocookie)?\.com/
3269         (?:watch\?(?:
3270             feature=[a-z_]+|
3271             annotation_id=annotation_[^&]+|
3272             x-yt-cl=[0-9]+|
3273             hl=[^&]*|
3274             t=[0-9]+
3275         )?
3276         |
3277             attribution_link\?a=[^&]+
3278         )
3279         $
3280     '''
3281
3282     _TESTS = [{
3283         'url': 'https://www.youtube.com/watch?annotation_id=annotation_3951667041',
3284         'only_matching': True,
3285     }, {
3286         'url': 'https://www.youtube.com/watch?',
3287         'only_matching': True,
3288     }, {
3289         'url': 'https://www.youtube.com/watch?x-yt-cl=84503534',
3290         'only_matching': True,
3291     }, {
3292         'url': 'https://www.youtube.com/watch?feature=foo',
3293         'only_matching': True,
3294     }, {
3295         'url': 'https://www.youtube.com/watch?hl=en-GB',
3296         'only_matching': True,
3297     }, {
3298         'url': 'https://www.youtube.com/watch?t=2372',
3299         'only_matching': True,
3300     }]
3301
3302     def _real_extract(self, url):
3303         raise ExtractorError(
3304             'Did you forget to quote the URL? Remember that & is a meta '
3305             'character in most shells, so you want to put the URL in quotes, '
3306             'like  youtube-dl '
3307             '"https://www.youtube.com/watch?feature=foo&v=BaW_jenozKc" '
3308             ' or simply  youtube-dl BaW_jenozKc  .',
3309             expected=True)
3310
3311
3312 class YoutubeTruncatedIDIE(InfoExtractor):
3313     IE_NAME = 'youtube:truncated_id'
3314     IE_DESC = False  # Do not list
3315     _VALID_URL = r'https?://(?:www\.)?youtube\.com/watch\?v=(?P<id>[0-9A-Za-z_-]{1,10})$'
3316
3317     _TESTS = [{
3318         'url': 'https://www.youtube.com/watch?v=N_708QY7Ob',
3319         'only_matching': True,
3320     }]
3321
3322     def _real_extract(self, url):
3323         video_id = self._match_id(url)
3324         raise ExtractorError(
3325             'Incomplete YouTube ID %s. URL %s looks truncated.' % (video_id, url),
3326             expected=True)