_ 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     ExtractorError,
  35     float_or_none,
  36     get_element_by_attribute,
  37     get_element_by_id,
  38     int_or_none,
  39     mimetype2ext,
  40     orderedSet,
  41     parse_codecs,
  42     parse_duration,
  43     qualities,
  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(self, page):
 328         ids_in_page = []
 329         titles_in_page = []
 330         for mobj in re.finditer(self._VIDEO_RE, page):
 331             # The link with index 0 is not the first video of the playlist (not sure if still actual)
 332             if 'index' in mobj.groupdict() and mobj.group('id') == '0':
 333                 continue
 334             video_id = mobj.group('id')
 335             video_title = unescapeHTML(mobj.group('title'))
 336             if video_title:
 337                 video_title = video_title.strip()
 338             try:
 339                 idx = ids_in_page.index(video_id)
 340                 if video_title and not titles_in_page[idx]:
 341                     titles_in_page[idx] = video_title
 342             except ValueError:
 343                 ids_in_page.append(video_id)
 344                 titles_in_page.append(video_title)
 345         return zip(ids_in_page, titles_in_page)
 346
 347
 348 class YoutubePlaylistsBaseInfoExtractor(YoutubeEntryListBaseInfoExtractor):
 349     def _process_page(self, content):
 350         for playlist_id in orderedSet(re.findall(
 351                 r'<h3[^>]+class="[^"]*yt-lockup-title[^"]*"[^>]*><a[^>]+href="/?playlist\?list=([0-9A-Za-z-_]{10,})"',
 352                 content)):
 353             yield self.url_result(
 354                 'https://www.youtube.com/playlist?list=%s' % playlist_id, 'YoutubePlaylist')
 355
 356     def _real_extract(self, url):
 357         playlist_id = self._match_id(url)
 358         webpage = self._download_webpage(url, playlist_id)
 359         title = self._og_search_title(webpage, fatal=False)
 360         return self.playlist_result(self._entries(webpage, playlist_id), playlist_id, title)
 361
 362
 363 class YoutubeIE(YoutubeBaseInfoExtractor):
 364     IE_DESC = 'YouTube.com'
 365     _VALID_URL = r"""(?x)^
 366                      (
 367                          (?:https?://|//)                                    # http(s):// or protocol-independent URL
 368                          (?:(?:(?:(?:\w+\.)?[yY][oO][uU][tT][uU][bB][eE](?:-nocookie)?\.com/|
 369                             (?:www\.)?deturl\.com/www\.youtube\.com/|
 370                             (?:www\.)?pwnyoutube\.com/|
 371                             (?:www\.)?hooktube\.com/|
 372                             (?:www\.)?yourepeat\.com/|
 373                             tube\.majestyc\.net/|
 374                             # Invidious instances taken from https://github.com/omarroth/invidious/wiki/Invidious-Instances
 375                             (?:(?:www|dev)\.)?invidio\.us/|
 376                             (?:(?:www|no)\.)?invidiou\.sh/|
 377                             (?:(?:www|fi|de)\.)?invidious\.snopyta\.org/|
 378                             (?:www\.)?invidious\.kabi\.tk/|
 379                             (?:www\.)?invidious\.enkirton\.net/|
 380                             (?:www\.)?invidious\.13ad\.de/|
 381                             (?:www\.)?invidious\.mastodon\.host/|
 382                             (?:www\.)?tube\.poal\.co/|
 383                             (?:www\.)?vid\.wxzm\.sx/|
 384                             youtube\.googleapis\.com/)                        # the various hostnames, with wildcard subdomains
 385                          (?:.*?\#/)?                                          # handle anchor (#/) redirect urls
 386                          (?:                                                  # the various things that can precede the ID:
 387                              (?:(?:v|embed|e)/(?!videoseries))                # v/ or embed/ or e/
 388                              |(?:                                             # or the v= param in all its forms
 389                                  (?:(?:watch|movie)(?:_popup)?(?:\.php)?/?)?  # preceding watch(_popup|.php) or nothing (like /?v=xxxx)
 390                                  (?:\?|\#!?)                                  # the params delimiter ? or # or #!
 391                                  (?:.*?[&;])??                                # any other preceding param (like /?s=tuff&v=xxxx or ?s=tuff&amp;v=V36LpHqtcDY)
 392                                  v=
 393                              )
 394                          ))
 395                          |(?:
 396                             youtu\.be|                                        # just youtu.be/xxxx
 397                             vid\.plus|                                        # or vid.plus/xxxx
 398                             zwearz\.com/watch|                                # or zwearz.com/watch/xxxx
 399                          )/
 400                          |(?:www\.)?cleanvideosearch\.com/media/action/yt/watch\?videoId=
 401                          )
 402                      )?                                                       # all until now is optional -> you can pass the naked ID
 403                      ([0-9A-Za-z_-]{11})                                      # here is it! the YouTube video ID
 404                      (?!.*?\blist=
 405                         (?:
 406                             %(playlist_id)s|                                  # combined list/video URLs are handled by the playlist IE
 407                             WL                                                # WL are handled by the watch later IE
 408                         )
 409                      )
 410                      (?(1).+)?                                                # if we found the ID, everything can follow
 411                      $""" % {'playlist_id': YoutubeBaseInfoExtractor._PLAYLIST_ID_RE}
 412     _NEXT_URL_RE = r'[\?&]next_url=([^&]+)'
 413     _formats = {
 414         '5': {'ext': 'flv', 'width': 400, 'height': 240, 'acodec': 'mp3', 'abr': 64, 'vcodec': 'h263'},
 415         '6': {'ext': 'flv', 'width': 450, 'height': 270, 'acodec': 'mp3', 'abr': 64, 'vcodec': 'h263'},
 416         '13': {'ext': '3gp', 'acodec': 'aac', 'vcodec': 'mp4v'},
 417         '17': {'ext': '3gp', 'width': 176, 'height': 144, 'acodec': 'aac', 'abr': 24, 'vcodec': 'mp4v'},
 418         '18': {'ext': 'mp4', 'width': 640, 'height': 360, 'acodec': 'aac', 'abr': 96, 'vcodec': 'h264'},
 419         '22': {'ext': 'mp4', 'width': 1280, 'height': 720, 'acodec': 'aac', 'abr': 192, 'vcodec': 'h264'},
 420         '34': {'ext': 'flv', 'width': 640, 'height': 360, 'acodec': 'aac', 'abr': 128, 'vcodec': 'h264'},
 421         '35': {'ext': 'flv', 'width': 854, 'height': 480, 'acodec': 'aac', 'abr': 128, 'vcodec': 'h264'},
 422         # itag 36 videos are either 320x180 (BaW_jenozKc) or 320x240 (__2ABJjxzNo), abr varies as well
 423         '36': {'ext': '3gp', 'width': 320, 'acodec': 'aac', 'vcodec': 'mp4v'},
 424         '37': {'ext': 'mp4', 'width': 1920, 'height': 1080, 'acodec': 'aac', 'abr': 192, 'vcodec': 'h264'},
 425         '38': {'ext': 'mp4', 'width': 4096, 'height': 3072, 'acodec': 'aac', 'abr': 192, 'vcodec': 'h264'},
 426         '43': {'ext': 'webm', 'width': 640, 'height': 360, 'acodec': 'vorbis', 'abr': 128, 'vcodec': 'vp8'},
 427         '44': {'ext': 'webm', 'width': 854, 'height': 480, 'acodec': 'vorbis', 'abr': 128, 'vcodec': 'vp8'},
 428         '45': {'ext': 'webm', 'width': 1280, 'height': 720, 'acodec': 'vorbis', 'abr': 192, 'vcodec': 'vp8'},
 429         '46': {'ext': 'webm', 'width': 1920, 'height': 1080, 'acodec': 'vorbis', 'abr': 192, 'vcodec': 'vp8'},
 430         '59': {'ext': 'mp4', 'width': 854, 'height': 480, 'acodec': 'aac', 'abr': 128, 'vcodec': 'h264'},
 431         '78': {'ext': 'mp4', 'width': 854, 'height': 480, 'acodec': 'aac', 'abr': 128, 'vcodec': 'h264'},
 432
 433
 434         # 3D videos
 435         '82': {'ext': 'mp4', 'height': 360, 'format_note': '3D', 'acodec': 'aac', 'abr': 128, 'vcodec': 'h264', 'preference': -20},
 436         '83': {'ext': 'mp4', 'height': 480, 'format_note': '3D', 'acodec': 'aac', 'abr': 128, 'vcodec': 'h264', 'preference': -20},
 437         '84': {'ext': 'mp4', 'height': 720, 'format_note': '3D', 'acodec': 'aac', 'abr': 192, 'vcodec': 'h264', 'preference': -20},
 438         '85': {'ext': 'mp4', 'height': 1080, 'format_note': '3D', 'acodec': 'aac', 'abr': 192, 'vcodec': 'h264', 'preference': -20},
 439         '100': {'ext': 'webm', 'height': 360, 'format_note': '3D', 'acodec': 'vorbis', 'abr': 128, 'vcodec': 'vp8', 'preference': -20},
 440         '101': {'ext': 'webm', 'height': 480, 'format_note': '3D', 'acodec': 'vorbis', 'abr': 192, 'vcodec': 'vp8', 'preference': -20},
 441         '102': {'ext': 'webm', 'height': 720, 'format_note': '3D', 'acodec': 'vorbis', 'abr': 192, 'vcodec': 'vp8', 'preference': -20},
 442
 443         # Apple HTTP Live Streaming
 444         '91': {'ext': 'mp4', 'height': 144, 'format_note': 'HLS', 'acodec': 'aac', 'abr': 48, 'vcodec': 'h264', 'preference': -10},
 445         '92': {'ext': 'mp4', 'height': 240, 'format_note': 'HLS', 'acodec': 'aac', 'abr': 48, 'vcodec': 'h264', 'preference': -10},
 446         '93': {'ext': 'mp4', 'height': 360, 'format_note': 'HLS', 'acodec': 'aac', 'abr': 128, 'vcodec': 'h264', 'preference': -10},
 447         '94': {'ext': 'mp4', 'height': 480, 'format_note': 'HLS', 'acodec': 'aac', 'abr': 128, 'vcodec': 'h264', 'preference': -10},
 448         '95': {'ext': 'mp4', 'height': 720, 'format_note': 'HLS', 'acodec': 'aac', 'abr': 256, 'vcodec': 'h264', 'preference': -10},
 449         '96': {'ext': 'mp4', 'height': 1080, 'format_note': 'HLS', 'acodec': 'aac', 'abr': 256, 'vcodec': 'h264', 'preference': -10},
 450         '132': {'ext': 'mp4', 'height': 240, 'format_note': 'HLS', 'acodec': 'aac', 'abr': 48, 'vcodec': 'h264', 'preference': -10},
 451         '151': {'ext': 'mp4', 'height': 72, 'format_note': 'HLS', 'acodec': 'aac', 'abr': 24, 'vcodec': 'h264', 'preference': -10},
 452
 453         # DASH mp4 video
 454         '133': {'ext': 'mp4', 'height': 240, 'format_note': 'DASH video', 'vcodec': 'h264'},
 455         '134': {'ext': 'mp4', 'height': 360, 'format_note': 'DASH video', 'vcodec': 'h264'},
 456         '135': {'ext': 'mp4', 'height': 480, 'format_note': 'DASH video', 'vcodec': 'h264'},
 457         '136': {'ext': 'mp4', 'height': 720, 'format_note': 'DASH video', 'vcodec': 'h264'},
 458         '137': {'ext': 'mp4', 'height': 1080, 'format_note': 'DASH video', 'vcodec': 'h264'},
 459         '138': {'ext': 'mp4', 'format_note': 'DASH video', 'vcodec': 'h264'},  # Height can vary (https://github.com/ytdl-org/youtube-dl/issues/4559)
 460         '160': {'ext': 'mp4', 'height': 144, 'format_note': 'DASH video', 'vcodec': 'h264'},
 461         '212': {'ext': 'mp4', 'height': 480, 'format_note': 'DASH video', 'vcodec': 'h264'},
 462         '264': {'ext': 'mp4', 'height': 1440, 'format_note': 'DASH video', 'vcodec': 'h264'},
 463         '298': {'ext': 'mp4', 'height': 720, 'format_note': 'DASH video', 'vcodec': 'h264', 'fps': 60},
 464         '299': {'ext': 'mp4', 'height': 1080, 'format_note': 'DASH video', 'vcodec': 'h264', 'fps': 60},
 465         '266': {'ext': 'mp4', 'height': 2160, 'format_note': 'DASH video', 'vcodec': 'h264'},
 466
 467         # Dash mp4 audio
 468         '139': {'ext': 'm4a', 'format_note': 'DASH audio', 'acodec': 'aac', 'abr': 48, 'container': 'm4a_dash'},
 469         '140': {'ext': 'm4a', 'format_note': 'DASH audio', 'acodec': 'aac', 'abr': 128, 'container': 'm4a_dash'},
 470         '141': {'ext': 'm4a', 'format_note': 'DASH audio', 'acodec': 'aac', 'abr': 256, 'container': 'm4a_dash'},
 471         '256': {'ext': 'm4a', 'format_note': 'DASH audio', 'acodec': 'aac', 'container': 'm4a_dash'},
 472         '258': {'ext': 'm4a', 'format_note': 'DASH audio', 'acodec': 'aac', 'container': 'm4a_dash'},
 473         '325': {'ext': 'm4a', 'format_note': 'DASH audio', 'acodec': 'dtse', 'container': 'm4a_dash'},
 474         '328': {'ext': 'm4a', 'format_note': 'DASH audio', 'acodec': 'ec-3', 'container': 'm4a_dash'},
 475
 476         # Dash webm
 477         '167': {'ext': 'webm', 'height': 360, 'width': 640, 'format_note': 'DASH video', 'container': 'webm', 'vcodec': 'vp8'},
 478         '168': {'ext': 'webm', 'height': 480, 'width': 854, 'format_note': 'DASH video', 'container': 'webm', 'vcodec': 'vp8'},
 479         '169': {'ext': 'webm', 'height': 720, 'width': 1280, 'format_note': 'DASH video', 'container': 'webm', 'vcodec': 'vp8'},
 480         '170': {'ext': 'webm', 'height': 1080, 'width': 1920, 'format_note': 'DASH video', 'container': 'webm', 'vcodec': 'vp8'},
 481         '218': {'ext': 'webm', 'height': 480, 'width': 854, 'format_note': 'DASH video', 'container': 'webm', 'vcodec': 'vp8'},
 482         '219': {'ext': 'webm', 'height': 480, 'width': 854, 'format_note': 'DASH video', 'container': 'webm', 'vcodec': 'vp8'},
 483         '278': {'ext': 'webm', 'height': 144, 'format_note': 'DASH video', 'container': 'webm', 'vcodec': 'vp9'},
 484         '242': {'ext': 'webm', 'height': 240, 'format_note': 'DASH video', 'vcodec': 'vp9'},
 485         '243': {'ext': 'webm', 'height': 360, 'format_note': 'DASH video', 'vcodec': 'vp9'},
 486         '244': {'ext': 'webm', 'height': 480, 'format_note': 'DASH video', 'vcodec': 'vp9'},
 487         '245': {'ext': 'webm', 'height': 480, 'format_note': 'DASH video', 'vcodec': 'vp9'},
 488         '246': {'ext': 'webm', 'height': 480, 'format_note': 'DASH video', 'vcodec': 'vp9'},
 489         '247': {'ext': 'webm', 'height': 720, 'format_note': 'DASH video', 'vcodec': 'vp9'},
 490         '248': {'ext': 'webm', 'height': 1080, 'format_note': 'DASH video', 'vcodec': 'vp9'},
 491         '271': {'ext': 'webm', 'height': 1440, 'format_note': 'DASH video', 'vcodec': 'vp9'},
 492         # itag 272 videos are either 3840x2160 (e.g. RtoitU2A-3E) or 7680x4320 (sLprVF6d7Ug)
 493         '272': {'ext': 'webm', 'height': 2160, 'format_note': 'DASH video', 'vcodec': 'vp9'},
 494         '302': {'ext': 'webm', 'height': 720, 'format_note': 'DASH video', 'vcodec': 'vp9', 'fps': 60},
 495         '303': {'ext': 'webm', 'height': 1080, 'format_note': 'DASH video', 'vcodec': 'vp9', 'fps': 60},
 496         '308': {'ext': 'webm', 'height': 1440, 'format_note': 'DASH video', 'vcodec': 'vp9', 'fps': 60},
 497         '313': {'ext': 'webm', 'height': 2160, 'format_note': 'DASH video', 'vcodec': 'vp9'},
 498         '315': {'ext': 'webm', 'height': 2160, 'format_note': 'DASH video', 'vcodec': 'vp9', 'fps': 60},
 499
 500         # Dash webm audio
 501         '171': {'ext': 'webm', 'acodec': 'vorbis', 'format_note': 'DASH audio', 'abr': 128},
 502         '172': {'ext': 'webm', 'acodec': 'vorbis', 'format_note': 'DASH audio', 'abr': 256},
 503
 504         # Dash webm audio with opus inside
 505         '249': {'ext': 'webm', 'format_note': 'DASH audio', 'acodec': 'opus', 'abr': 50},
 506         '250': {'ext': 'webm', 'format_note': 'DASH audio', 'acodec': 'opus', 'abr': 70},
 507         '251': {'ext': 'webm', 'format_note': 'DASH audio', 'acodec': 'opus', 'abr': 160},
 508
 509         # RTMP (unnamed)
 510         '_rtmp': {'protocol': 'rtmp'},
 511
 512         # av01 video only formats sometimes served with "unknown" codecs
 513         '394': {'acodec': 'none', 'vcodec': 'av01.0.05M.08'},
 514         '395': {'acodec': 'none', 'vcodec': 'av01.0.05M.08'},
 515         '396': {'acodec': 'none', 'vcodec': 'av01.0.05M.08'},
 516         '397': {'acodec': 'none', 'vcodec': 'av01.0.05M.08'},
 517     }
 518     _SUBTITLE_FORMATS = ('srv1', 'srv2', 'srv3', 'ttml', 'vtt')
 519
 520     _GEO_BYPASS = False
 521
 522     IE_NAME = 'youtube'
 523     _TESTS = [
 524         {
 525             'url': 'https://www.youtube.com/watch?v=BaW_jenozKc&t=1s&end=9',
 526             'info_dict': {
 527                 'id': 'BaW_jenozKc',
 528                 'ext': 'mp4',
 529                 'title': 'youtube-dl test video "\'/\\ä↭𝕐',
 530                 'uploader': 'Philipp Hagemeister',
 531                 'uploader_id': 'phihag',
 532                 'uploader_url': r're:https?://(?:www\.)?youtube\.com/user/phihag',
 533                 'channel_id': 'UCLqxVugv74EIW3VWh2NOa3Q',
 534                 'channel_url': r're:https?://(?:www\.)?youtube\.com/channel/UCLqxVugv74EIW3VWh2NOa3Q',
 535                 'upload_date': '20121002',
 536                 '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 .',
 537                 'categories': ['Science & Technology'],
 538                 'tags': ['youtube-dl'],
 539                 'duration': 10,
 540                 'view_count': int,
 541                 'like_count': int,
 542                 'dislike_count': int,
 543                 'start_time': 1,
 544                 'end_time': 9,
 545             }
 546         },
 547         {
 548             'url': 'https://www.youtube.com/watch?v=UxxajLWwzqY',
 549             'note': 'Test generic use_cipher_signature video (#897)',
 550             'info_dict': {
 551                 'id': 'UxxajLWwzqY',
 552                 'ext': 'mp4',
 553                 'upload_date': '20120506',
 554                 'title': 'Icona Pop - I Love It (feat. Charli XCX) [OFFICIAL VIDEO]',
 555                 'alt_title': 'I Love It (feat. Charli XCX)',
 556                 'description': 'md5:f3ceb5ef83a08d95b9d146f973157cc8',
 557                 'tags': ['Icona Pop i love it', 'sweden', 'pop music', 'big beat records', 'big beat', 'charli',
 558                          'xcx', 'charli xcx', 'girls', 'hbo', 'i love it', "i don't care", 'icona', 'pop',
 559                          'iconic ep', 'iconic', 'love', 'it'],
 560                 'duration': 180,
 561                 'uploader': 'Icona Pop',
 562                 'uploader_id': 'IconaPop',
 563                 'uploader_url': r're:https?://(?:www\.)?youtube\.com/user/IconaPop',
 564                 'creator': 'Icona Pop',
 565                 'track': 'I Love It (feat. Charli XCX)',
 566                 'artist': 'Icona Pop',
 567             }
 568         },
 569         {
 570             'url': 'https://www.youtube.com/watch?v=07FYdnEawAQ',
 571             'note': 'Test VEVO video with age protection (#956)',
 572             'info_dict': {
 573                 'id': '07FYdnEawAQ',
 574                 'ext': 'mp4',
 575                 'upload_date': '20130703',
 576                 'title': 'Justin Timberlake - Tunnel Vision (Official Music Video) (Explicit)',
 577                 'alt_title': 'Tunnel Vision',
 578                 'description': 'md5:07dab3356cde4199048e4c7cd93471e1',
 579                 'duration': 419,
 580                 'uploader': 'justintimberlakeVEVO',
 581                 'uploader_id': 'justintimberlakeVEVO',
 582                 'uploader_url': r're:https?://(?:www\.)?youtube\.com/user/justintimberlakeVEVO',
 583                 'creator': 'Justin Timberlake',
 584                 'track': 'Tunnel Vision',
 585                 'artist': 'Justin Timberlake',
 586                 'age_limit': 18,
 587             }
 588         },
 589         {
 590             'url': '//www.YouTube.com/watch?v=yZIXLfi8CZQ',
 591             'note': 'Embed-only video (#1746)',
 592             'info_dict': {
 593                 'id': 'yZIXLfi8CZQ',
 594                 'ext': 'mp4',
 595                 'upload_date': '20120608',
 596                 'title': 'Principal Sexually Assaults A Teacher - Episode 117 - 8th June 2012',
 597                 'description': 'md5:09b78bd971f1e3e289601dfba15ca4f7',
 598                 'uploader': 'SET India',
 599                 'uploader_id': 'setindia',
 600                 'uploader_url': r're:https?://(?:www\.)?youtube\.com/user/setindia',
 601                 'age_limit': 18,
 602             }
 603         },
 604         {
 605             'url': 'https://www.youtube.com/watch?v=BaW_jenozKc&v=UxxajLWwzqY',
 606             'note': 'Use the first video ID in the URL',
 607             'info_dict': {
 608                 'id': 'BaW_jenozKc',
 609                 'ext': 'mp4',
 610                 'title': 'youtube-dl test video "\'/\\ä↭𝕐',
 611                 'uploader': 'Philipp Hagemeister',
 612                 'uploader_id': 'phihag',
 613                 'uploader_url': r're:https?://(?:www\.)?youtube\.com/user/phihag',
 614                 'upload_date': '20121002',
 615                 '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 .',
 616                 'categories': ['Science & Technology'],
 617                 'tags': ['youtube-dl'],
 618                 'duration': 10,
 619                 'view_count': int,
 620                 'like_count': int,
 621                 'dislike_count': int,
 622             },
 623             'params': {
 624                 'skip_download': True,
 625             },
 626         },
 627         {
 628             'url': 'https://www.youtube.com/watch?v=a9LDPn-MO4I',
 629             'note': '256k DASH audio (format 141) via DASH manifest',
 630             'info_dict': {
 631                 'id': 'a9LDPn-MO4I',
 632                 'ext': 'm4a',
 633                 'upload_date': '20121002',
 634                 'uploader_id': '8KVIDEO',
 635                 'uploader_url': r're:https?://(?:www\.)?youtube\.com/user/8KVIDEO',
 636                 'description': '',
 637                 'uploader': '8KVIDEO',
 638                 'title': 'UHDTV TEST 8K VIDEO.mp4'
 639             },
 640             'params': {
 641                 'youtube_include_dash_manifest': True,
 642                 'format': '141',
 643             },
 644             'skip': 'format 141 not served anymore',
 645         },
 646         # DASH manifest with encrypted signature
 647         {
 648             'url': 'https://www.youtube.com/watch?v=IB3lcPjvWLA',
 649             'info_dict': {
 650                 'id': 'IB3lcPjvWLA',
 651                 'ext': 'm4a',
 652                 'title': 'Afrojack, Spree Wilson - The Spark (Official Music Video) ft. Spree Wilson',
 653                 'description': 'md5:8f5e2b82460520b619ccac1f509d43bf',
 654                 'duration': 244,
 655                 'uploader': 'AfrojackVEVO',
 656                 'uploader_id': 'AfrojackVEVO',
 657                 'upload_date': '20131011',
 658             },
 659             'params': {
 660                 'youtube_include_dash_manifest': True,
 661                 'format': '141/bestaudio[ext=m4a]',
 662             },
 663         },
 664         # JS player signature function name containing $
 665         {
 666             'url': 'https://www.youtube.com/watch?v=nfWlot6h_JM',
 667             'info_dict': {
 668                 'id': 'nfWlot6h_JM',
 669                 'ext': 'm4a',
 670                 'title': 'Taylor Swift - Shake It Off',
 671                 'description': 'md5:bec2185232c05479482cb5a9b82719bf',
 672                 'duration': 242,
 673                 'uploader': 'TaylorSwiftVEVO',
 674                 'uploader_id': 'TaylorSwiftVEVO',
 675                 'upload_date': '20140818',
 676                 'creator': 'Taylor Swift',
 677             },
 678             'params': {
 679                 'youtube_include_dash_manifest': True,
 680                 'format': '141/bestaudio[ext=m4a]',
 681             },
 682         },
 683         # Controversy video
 684         {
 685             'url': 'https://www.youtube.com/watch?v=T4XJQO3qol8',
 686             'info_dict': {
 687                 'id': 'T4XJQO3qol8',
 688                 'ext': 'mp4',
 689                 'duration': 219,
 690                 'upload_date': '20100909',
 691                 'uploader': 'Amazing Atheist',
 692                 'uploader_id': 'TheAmazingAtheist',
 693                 'uploader_url': r're:https?://(?:www\.)?youtube\.com/user/TheAmazingAtheist',
 694                 'title': 'Burning Everyone\'s Koran',
 695                 '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',
 696             }
 697         },
 698         # Normal age-gate video (No vevo, embed allowed)
 699         {
 700             'url': 'https://youtube.com/watch?v=HtVdAasjOgU',
 701             'info_dict': {
 702                 'id': 'HtVdAasjOgU',
 703                 'ext': 'mp4',
 704                 'title': 'The Witcher 3: Wild Hunt - The Sword Of Destiny Trailer',
 705                 'description': r're:(?s).{100,}About the Game\n.*?The Witcher 3: Wild Hunt.{100,}',
 706                 'duration': 142,
 707                 'uploader': 'The Witcher',
 708                 'uploader_id': 'WitcherGame',
 709                 'uploader_url': r're:https?://(?:www\.)?youtube\.com/user/WitcherGame',
 710                 'upload_date': '20140605',
 711                 'age_limit': 18,
 712             },
 713         },
 714         # Age-gate video with encrypted signature
 715         {
 716             'url': 'https://www.youtube.com/watch?v=6kLq3WMV1nU',
 717             'info_dict': {
 718                 'id': '6kLq3WMV1nU',
 719                 'ext': 'mp4',
 720                 'title': 'Dedication To My Ex (Miss That) (Lyric Video)',
 721                 'description': 'md5:33765bb339e1b47e7e72b5490139bb41',
 722                 'duration': 246,
 723                 'uploader': 'LloydVEVO',
 724                 'uploader_id': 'LloydVEVO',
 725                 'uploader_url': r're:https?://(?:www\.)?youtube\.com/user/LloydVEVO',
 726                 'upload_date': '20110629',
 727                 'age_limit': 18,
 728             },
 729         },
 730         # video_info is None (https://github.com/ytdl-org/youtube-dl/issues/4421)
 731         # YouTube Red ad is not captured for creator
 732         {
 733             'url': '__2ABJjxzNo',
 734             'info_dict': {
 735                 'id': '__2ABJjxzNo',
 736                 'ext': 'mp4',
 737                 'duration': 266,
 738                 'upload_date': '20100430',
 739                 'uploader_id': 'deadmau5',
 740                 'uploader_url': r're:https?://(?:www\.)?youtube\.com/user/deadmau5',
 741                 'creator': 'deadmau5',
 742                 'description': 'md5:12c56784b8032162bb936a5f76d55360',
 743                 'uploader': 'deadmau5',
 744                 'title': 'Deadmau5 - Some Chords (HD)',
 745                 'alt_title': 'Some Chords',
 746             },
 747             'expected_warnings': [
 748                 'DASH manifest missing',
 749             ]
 750         },
 751         # Olympics (https://github.com/ytdl-org/youtube-dl/issues/4431)
 752         {
 753             'url': 'lqQg6PlCWgI',
 754             'info_dict': {
 755                 'id': 'lqQg6PlCWgI',
 756                 'ext': 'mp4',
 757                 'duration': 6085,
 758                 'upload_date': '20150827',
 759                 'uploader_id': 'olympic',
 760                 'uploader_url': r're:https?://(?:www\.)?youtube\.com/user/olympic',
 761                 'description': 'HO09  - Women -  GER-AUS - Hockey - 31 July 2012 - London 2012 Olympic Games',
 762                 'uploader': 'Olympic',
 763                 'title': 'Hockey - Women -  GER-AUS - London 2012 Olympic Games',
 764             },
 765             'params': {
 766                 'skip_download': 'requires avconv',
 767             }
 768         },
 769         # Non-square pixels
 770         {
 771             'url': 'https://www.youtube.com/watch?v=_b-2C3KPAM0',
 772             'info_dict': {
 773                 'id': '_b-2C3KPAM0',
 774                 'ext': 'mp4',
 775                 'stretched_ratio': 16 / 9.,
 776                 'duration': 85,
 777                 'upload_date': '20110310',
 778                 'uploader_id': 'AllenMeow',
 779                 'uploader_url': r're:https?://(?:www\.)?youtube\.com/user/AllenMeow',
 780                 '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',
 781                 'uploader': '孫ᄋᄅ',
 782                 'title': '[A-made] 變態妍字幕版 太妍 我就是這樣的人',
 783             },
 784         },
 785         # url_encoded_fmt_stream_map is empty string
 786         {
 787             'url': 'qEJwOuvDf7I',
 788             'info_dict': {
 789                 'id': 'qEJwOuvDf7I',
 790                 'ext': 'webm',
 791                 'title': 'Обсуждение судебной практики по выборам 14 сентября 2014 года в Санкт-Петербурге',
 792                 'description': '',
 793                 'upload_date': '20150404',
 794                 'uploader_id': 'spbelect',
 795                 'uploader': 'Наблюдатели Петербурга',
 796             },
 797             'params': {
 798                 'skip_download': 'requires avconv',
 799             },
 800             'skip': 'This live event has ended.',
 801         },
 802         # Extraction from multiple DASH manifests (https://github.com/ytdl-org/youtube-dl/pull/6097)
 803         {
 804             'url': 'https://www.youtube.com/watch?v=FIl7x6_3R5Y',
 805             'info_dict': {
 806                 'id': 'FIl7x6_3R5Y',
 807                 'ext': 'webm',
 808                 'title': 'md5:7b81415841e02ecd4313668cde88737a',
 809                 'description': 'md5:116377fd2963b81ec4ce64b542173306',
 810                 'duration': 220,
 811                 'upload_date': '20150625',
 812                 'uploader_id': 'dorappi2000',
 813                 'uploader_url': r're:https?://(?:www\.)?youtube\.com/user/dorappi2000',
 814                 'uploader': 'dorappi2000',
 815                 'formats': 'mincount:31',
 816             },
 817             'skip': 'not actual anymore',
 818         },
 819         # DASH manifest with segment_list
 820         {
 821             'url': 'https://www.youtube.com/embed/CsmdDsKjzN8',
 822             'md5': '8ce563a1d667b599d21064e982ab9e31',
 823             'info_dict': {
 824                 'id': 'CsmdDsKjzN8',
 825                 'ext': 'mp4',
 826                 'upload_date': '20150501',  # According to '<meta itemprop="datePublished"', but in other places it's 20150510
 827                 'uploader': 'Airtek',
 828                 'description': 'Retransmisión en directo de la XVIII media maratón de Zaragoza.',
 829                 'uploader_id': 'UCzTzUmjXxxacNnL8I3m4LnQ',
 830                 'title': 'Retransmisión XVIII Media maratón Zaragoza 2015',
 831             },
 832             'params': {
 833                 'youtube_include_dash_manifest': True,
 834                 'format': '135',  # bestvideo
 835             },
 836             'skip': 'This live event has ended.',
 837         },
 838         {
 839             # Multifeed videos (multiple cameras), URL is for Main Camera
 840             'url': 'https://www.youtube.com/watch?v=jqWvoWXjCVs',
 841             'info_dict': {
 842                 'id': 'jqWvoWXjCVs',
 843                 'title': 'teamPGP: Rocket League Noob Stream',
 844                 'description': 'md5:dc7872fb300e143831327f1bae3af010',
 845             },
 846             'playlist': [{
 847                 'info_dict': {
 848                     'id': 'jqWvoWXjCVs',
 849                     'ext': 'mp4',
 850                     'title': 'teamPGP: Rocket League Noob Stream (Main Camera)',
 851                     'description': 'md5:dc7872fb300e143831327f1bae3af010',
 852                     'duration': 7335,
 853                     'upload_date': '20150721',
 854                     'uploader': 'Beer Games Beer',
 855                     'uploader_id': 'beergamesbeer',
 856                     'uploader_url': r're:https?://(?:www\.)?youtube\.com/user/beergamesbeer',
 857                     'license': 'Standard YouTube License',
 858                 },
 859             }, {
 860                 'info_dict': {
 861                     'id': '6h8e8xoXJzg',
 862                     'ext': 'mp4',
 863                     'title': 'teamPGP: Rocket League Noob Stream (kreestuh)',
 864                     'description': 'md5:dc7872fb300e143831327f1bae3af010',
 865                     'duration': 7337,
 866                     'upload_date': '20150721',
 867                     'uploader': 'Beer Games Beer',
 868                     'uploader_id': 'beergamesbeer',
 869                     'uploader_url': r're:https?://(?:www\.)?youtube\.com/user/beergamesbeer',
 870                     'license': 'Standard YouTube License',
 871                 },
 872             }, {
 873                 'info_dict': {
 874                     'id': 'PUOgX5z9xZw',
 875                     'ext': 'mp4',
 876                     'title': 'teamPGP: Rocket League Noob Stream (grizzle)',
 877                     'description': 'md5:dc7872fb300e143831327f1bae3af010',
 878                     'duration': 7337,
 879                     'upload_date': '20150721',
 880                     'uploader': 'Beer Games Beer',
 881                     'uploader_id': 'beergamesbeer',
 882                     'uploader_url': r're:https?://(?:www\.)?youtube\.com/user/beergamesbeer',
 883                     'license': 'Standard YouTube License',
 884                 },
 885             }, {
 886                 'info_dict': {
 887                     'id': 'teuwxikvS5k',
 888                     'ext': 'mp4',
 889                     'title': 'teamPGP: Rocket League Noob Stream (zim)',
 890                     'description': 'md5:dc7872fb300e143831327f1bae3af010',
 891                     'duration': 7334,
 892                     'upload_date': '20150721',
 893                     'uploader': 'Beer Games Beer',
 894                     'uploader_id': 'beergamesbeer',
 895                     'uploader_url': r're:https?://(?:www\.)?youtube\.com/user/beergamesbeer',
 896                     'license': 'Standard YouTube License',
 897                 },
 898             }],
 899             'params': {
 900                 'skip_download': True,
 901             },
 902             'skip': 'This video is not available.',
 903         },
 904         {
 905             # Multifeed video with comma in title (see https://github.com/ytdl-org/youtube-dl/issues/8536)
 906             'url': 'https://www.youtube.com/watch?v=gVfLd0zydlo',
 907             'info_dict': {
 908                 'id': 'gVfLd0zydlo',
 909                 'title': 'DevConf.cz 2016 Day 2 Workshops 1 14:00 - 15:30',
 910             },
 911             'playlist_count': 2,
 912             'skip': 'Not multifeed anymore',
 913         },
 914         {
 915             'url': 'https://vid.plus/FlRa-iH7PGw',
 916             'only_matching': True,
 917         },
 918         {
 919             'url': 'https://zwearz.com/watch/9lWxNJF-ufM/electra-woman-dyna-girl-official-trailer-grace-helbig.html',
 920             'only_matching': True,
 921         },
 922         {
 923             # Title with JS-like syntax "};" (see https://github.com/ytdl-org/youtube-dl/issues/7468)
 924             # Also tests cut-off URL expansion in video description (see
 925             # https://github.com/ytdl-org/youtube-dl/issues/1892,
 926             # https://github.com/ytdl-org/youtube-dl/issues/8164)
 927             'url': 'https://www.youtube.com/watch?v=lsguqyKfVQg',
 928             'info_dict': {
 929                 'id': 'lsguqyKfVQg',
 930                 'ext': 'mp4',
 931                 'title': '{dark walk}; Loki/AC/Dishonored; collab w/Elflover21',
 932                 'alt_title': 'Dark Walk - Position Music',
 933                 'description': 'md5:8085699c11dc3f597ce0410b0dcbb34a',
 934                 'duration': 133,
 935                 'upload_date': '20151119',
 936                 'uploader_id': 'IronSoulElf',
 937                 'uploader_url': r're:https?://(?:www\.)?youtube\.com/user/IronSoulElf',
 938                 'uploader': 'IronSoulElf',
 939                 'creator': 'Todd Haberman,  Daniel Law Heath and Aaron Kaplan',
 940                 'track': 'Dark Walk - Position Music',
 941                 'artist': 'Todd Haberman,  Daniel Law Heath and Aaron Kaplan',
 942                 'album': 'Position Music - Production Music Vol. 143 - Dark Walk',
 943             },
 944             'params': {
 945                 'skip_download': True,
 946             },
 947         },
 948         {
 949             # Tags with '};' (see https://github.com/ytdl-org/youtube-dl/issues/7468)
 950             'url': 'https://www.youtube.com/watch?v=Ms7iBXnlUO8',
 951             'only_matching': True,
 952         },
 953         {
 954             # Video with yt:stretch=17:0
 955             'url': 'https://www.youtube.com/watch?v=Q39EVAstoRM',
 956             'info_dict': {
 957                 'id': 'Q39EVAstoRM',
 958                 'ext': 'mp4',
 959                 'title': 'Clash Of Clans#14 Dicas De Ataque Para CV 4',
 960                 'description': 'md5:ee18a25c350637c8faff806845bddee9',
 961                 'upload_date': '20151107',
 962                 'uploader_id': 'UCCr7TALkRbo3EtFzETQF1LA',
 963                 'uploader': 'CH GAMER DROID',
 964             },
 965             'params': {
 966                 'skip_download': True,
 967             },
 968             'skip': 'This video does not exist.',
 969         },
 970         {
 971             # Video licensed under Creative Commons
 972             'url': 'https://www.youtube.com/watch?v=M4gD1WSo5mA',
 973             'info_dict': {
 974                 'id': 'M4gD1WSo5mA',
 975                 'ext': 'mp4',
 976                 'title': 'md5:e41008789470fc2533a3252216f1c1d1',
 977                 'description': 'md5:a677553cf0840649b731a3024aeff4cc',
 978                 'duration': 721,
 979                 'upload_date': '20150127',
 980                 'uploader_id': 'BerkmanCenter',
 981                 'uploader_url': r're:https?://(?:www\.)?youtube\.com/user/BerkmanCenter',
 982                 'uploader': 'The Berkman Klein Center for Internet & Society',
 983                 'license': 'Creative Commons Attribution license (reuse allowed)',
 984             },
 985             'params': {
 986                 'skip_download': True,
 987             },
 988         },
 989         {
 990             # Channel-like uploader_url
 991             'url': 'https://www.youtube.com/watch?v=eQcmzGIKrzg',
 992             'info_dict': {
 993                 'id': 'eQcmzGIKrzg',
 994                 'ext': 'mp4',
 995                 'title': 'Democratic Socialism and Foreign Policy | Bernie Sanders',
 996                 'description': 'md5:dda0d780d5a6e120758d1711d062a867',
 997                 'duration': 4060,
 998                 'upload_date': '20151119',
 999                 'uploader': 'Bernie Sanders',
1000                 'uploader_id': 'UCH1dpzjCEiGAt8CXkryhkZg',
1001                 'uploader_url': r're:https?://(?:www\.)?youtube\.com/channel/UCH1dpzjCEiGAt8CXkryhkZg',
1002                 'license': 'Creative Commons Attribution license (reuse allowed)',
1003             },
1004             'params': {
1005                 'skip_download': True,
1006             },
1007         },
1008         {
1009             'url': 'https://www.youtube.com/watch?feature=player_embedded&amp;amp;v=V36LpHqtcDY',
1010             'only_matching': True,
1011         },
1012         {
1013             # YouTube Red paid video (https://github.com/ytdl-org/youtube-dl/issues/10059)
1014             'url': 'https://www.youtube.com/watch?v=i1Ko8UG-Tdo',
1015             'only_matching': True,
1016         },
1017         {
1018             # Rental video preview
1019             'url': 'https://www.youtube.com/watch?v=yYr8q0y5Jfg',
1020             'info_dict': {
1021                 'id': 'uGpuVWrhIzE',
1022                 'ext': 'mp4',
1023                 'title': 'Piku - Trailer',
1024                 'description': 'md5:c36bd60c3fd6f1954086c083c72092eb',
1025                 'upload_date': '20150811',
1026                 'uploader': 'FlixMatrix',
1027                 'uploader_id': 'FlixMatrixKaravan',
1028                 'uploader_url': r're:https?://(?:www\.)?youtube\.com/user/FlixMatrixKaravan',
1029                 'license': 'Standard YouTube License',
1030             },
1031             'params': {
1032                 'skip_download': True,
1033             },
1034             'skip': 'This video is not available.',
1035         },
1036         {
1037             # YouTube Red video with episode data
1038             'url': 'https://www.youtube.com/watch?v=iqKdEhx-dD4',
1039             'info_dict': {
1040                 'id': 'iqKdEhx-dD4',
1041                 'ext': 'mp4',
1042                 'title': 'Isolation - Mind Field (Ep 1)',
1043                 'description': 'md5:46a29be4ceffa65b92d277b93f463c0f',
1044                 'duration': 2085,
1045                 'upload_date': '20170118',
1046                 'uploader': 'Vsauce',
1047                 'uploader_id': 'Vsauce',
1048                 'uploader_url': r're:https?://(?:www\.)?youtube\.com/user/Vsauce',
1049                 'series': 'Mind Field',
1050                 'season_number': 1,
1051                 'episode_number': 1,
1052             },
1053             'params': {
1054                 'skip_download': True,
1055             },
1056             'expected_warnings': [
1057                 'Skipping DASH manifest',
1058             ],
1059         },
1060         {
1061             # The following content has been identified by the YouTube community
1062             # as inappropriate or offensive to some audiences.
1063             'url': 'https://www.youtube.com/watch?v=6SJNVb0GnPI',
1064             'info_dict': {
1065                 'id': '6SJNVb0GnPI',
1066                 'ext': 'mp4',
1067                 'title': 'Race Differences in Intelligence',
1068                 'description': 'md5:5d161533167390427a1f8ee89a1fc6f1',
1069                 'duration': 965,
1070                 'upload_date': '20140124',
1071                 'uploader': 'New Century Foundation',
1072                 'uploader_id': 'UCEJYpZGqgUob0zVVEaLhvVg',
1073                 'uploader_url': r're:https?://(?:www\.)?youtube\.com/channel/UCEJYpZGqgUob0zVVEaLhvVg',
1074             },
1075             'params': {
1076                 'skip_download': True,
1077             },
1078         },
1079         {
1080             # itag 212
1081             'url': '1t24XAntNCY',
1082             'only_matching': True,
1083         },
1084         {
1085             # geo restricted to JP
1086             'url': 'sJL6WA-aGkQ',
1087             'only_matching': True,
1088         },
1089         {
1090             'url': 'https://www.youtube.com/watch?v=MuAGGZNfUkU&list=RDMM',
1091             'only_matching': True,
1092         },
1093         {
1094             'url': 'https://invidio.us/watch?v=BaW_jenozKc',
1095             'only_matching': True,
1096         },
1097         {
1098             # DRM protected
1099             'url': 'https://www.youtube.com/watch?v=s7_qI6_mIXc',
1100             'only_matching': True,
1101         },
1102         {
1103             # Video with unsupported adaptive stream type formats
1104             'url': 'https://www.youtube.com/watch?v=Z4Vy8R84T1U',
1105             'info_dict': {
1106                 'id': 'Z4Vy8R84T1U',
1107                 'ext': 'mp4',
1108                 'title': 'saman SMAN 53 Jakarta(Sancety) opening COFFEE4th at SMAN 53 Jakarta',
1109                 'description': 'md5:d41d8cd98f00b204e9800998ecf8427e',
1110                 'duration': 433,
1111                 'upload_date': '20130923',
1112                 'uploader': 'Amelia Putri Harwita',
1113                 'uploader_id': 'UCpOxM49HJxmC1qCalXyB3_Q',
1114                 'uploader_url': r're:https?://(?:www\.)?youtube\.com/channel/UCpOxM49HJxmC1qCalXyB3_Q',
1115                 'formats': 'maxcount:10',
1116             },
1117             'params': {
1118                 'skip_download': True,
1119                 'youtube_include_dash_manifest': False,
1120             },
1121         },
1122         {
1123             # Youtube Music Auto-generated description
1124             'url': 'https://music.youtube.com/watch?v=MgNrAu2pzNs',
1125             'info_dict': {
1126                 'id': 'MgNrAu2pzNs',
1127                 'ext': 'mp4',
1128                 'title': 'Voyeur Girl',
1129                 'description': 'md5:7ae382a65843d6df2685993e90a8628f',
1130                 'upload_date': '20190312',
1131                 'uploader': 'Various Artists - Topic',
1132                 'uploader_id': 'UCVWKBi1ELZn0QX2CBLSkiyw',
1133                 'artist': 'Stephen',
1134                 'track': 'Voyeur Girl',
1135                 'album': 'it\'s too much love to know my dear',
1136                 'release_date': '20190313',
1137                 'release_year': 2019,
1138             },
1139             'params': {
1140                 'skip_download': True,
1141             },
1142         },
1143         {
1144             # Youtube Music Auto-generated description
1145             # Retrieve 'artist' field from 'Artist:' in video description
1146             # when it is present on youtube music video
1147             'url': 'https://www.youtube.com/watch?v=k0jLE7tTwjY',
1148             'info_dict': {
1149                 'id': 'k0jLE7tTwjY',
1150                 'ext': 'mp4',
1151                 'title': 'Latch Feat. Sam Smith',
1152                 'description': 'md5:3cb1e8101a7c85fcba9b4fb41b951335',
1153                 'upload_date': '20150110',
1154                 'uploader': 'Various Artists - Topic',
1155                 'uploader_id': 'UCNkEcmYdjrH4RqtNgh7BZ9w',
1156                 'artist': 'Disclosure',
1157                 'track': 'Latch Feat. Sam Smith',
1158                 'album': 'Latch Featuring Sam Smith',
1159                 'release_date': '20121008',
1160                 'release_year': 2012,
1161             },
1162             'params': {
1163                 'skip_download': True,
1164             },
1165         },
1166         {
1167             # Youtube Music Auto-generated description
1168             # handle multiple artists on youtube music video
1169             'url': 'https://www.youtube.com/watch?v=74qn0eJSjpA',
1170             'info_dict': {
1171                 'id': '74qn0eJSjpA',
1172                 'ext': 'mp4',
1173                 'title': 'Eastside',
1174                 'description': 'md5:290516bb73dcbfab0dcc4efe6c3de5f2',
1175                 'upload_date': '20180710',
1176                 'uploader': 'Benny Blanco - Topic',
1177                 'uploader_id': 'UCzqz_ksRu_WkIzmivMdIS7A',
1178                 'artist': 'benny blanco, Halsey, Khalid',
1179                 'track': 'Eastside',
1180                 'album': 'Eastside',
1181                 'release_date': '20180713',
1182                 'release_year': 2018,
1183             },
1184             'params': {
1185                 'skip_download': True,
1186             },
1187         },
1188         {
1189             # Youtube Music Auto-generated description
1190             # handle youtube music video with release_year and no release_date
1191             'url': 'https://www.youtube.com/watch?v=-hcAI0g-f5M',
1192             'info_dict': {
1193                 'id': '-hcAI0g-f5M',
1194                 'ext': 'mp4',
1195                 'title': 'Put It On Me',
1196                 'description': 'md5:93c55acc682ae7b0c668f2e34e1c069e',
1197                 'upload_date': '20180426',
1198                 'uploader': 'Matt Maeson - Topic',
1199                 'uploader_id': 'UCnEkIGqtGcQMLk73Kp-Q5LQ',
1200                 'artist': 'Matt Maeson',
1201                 'track': 'Put It On Me',
1202                 'album': 'The Hearse',
1203                 'release_date': None,
1204                 'release_year': 2018,
1205             },
1206             'params': {
1207                 'skip_download': True,
1208             },
1209         },
1210     ]
1211
1212     def __init__(self, *args, **kwargs):
1213         super(YoutubeIE, self).__init__(*args, **kwargs)
1214         self._player_cache = {}
1215
1216     def report_video_info_webpage_download(self, video_id):
1217         """Report attempt to download video info webpage."""
1218         self.to_screen('%s: Downloading video info webpage' % video_id)
1219
1220     def report_information_extraction(self, video_id):
1221         """Report attempt to extract video information."""
1222         self.to_screen('%s: Extracting video information' % video_id)
1223
1224     def report_unavailable_format(self, video_id, format):
1225         """Report extracted video URL."""
1226         self.to_screen('%s: Format %s not available' % (video_id, format))
1227
1228     def report_rtmp_download(self):
1229         """Indicate the download will use the RTMP protocol."""
1230         self.to_screen('RTMP download detected')
1231
1232     def _signature_cache_id(self, example_sig):
1233         """ Return a string representation of a signature """
1234         return '.'.join(compat_str(len(part)) for part in example_sig.split('.'))
1235
1236     def _extract_signature_function(self, video_id, player_url, example_sig):
1237         id_m = re.match(
1238             r'.*?-(?P<id>[a-zA-Z0-9_-]+)(?:/watch_as3|/html5player(?:-new)?|(?:/[a-z]{2,3}_[A-Z]{2})?/base)?\.(?P<ext>[a-z]+)$',
1239             player_url)
1240         if not id_m:
1241             raise ExtractorError('Cannot identify player %r' % player_url)
1242         player_type = id_m.group('ext')
1243         player_id = id_m.group('id')
1244
1245         # Read from filesystem cache
1246         func_id = '%s_%s_%s' % (
1247             player_type, player_id, self._signature_cache_id(example_sig))
1248         assert os.path.basename(func_id) == func_id
1249
1250         cache_spec = self._downloader.cache.load('youtube-sigfuncs', func_id)
1251         if cache_spec is not None:
1252             return lambda s: ''.join(s[i] for i in cache_spec)
1253
1254         download_note = (
1255             'Downloading player %s' % player_url
1256             if self._downloader.params.get('verbose') else
1257             'Downloading %s player %s' % (player_type, player_id)
1258         )
1259         if player_type == 'js':
1260             code = self._download_webpage(
1261                 player_url, video_id,
1262                 note=download_note,
1263                 errnote='Download of %s failed' % player_url)
1264             res = self._parse_sig_js(code)
1265         elif player_type == 'swf':
1266             urlh = self._request_webpage(
1267                 player_url, video_id,
1268                 note=download_note,
1269                 errnote='Download of %s failed' % player_url)
1270             code = urlh.read()
1271             res = self._parse_sig_swf(code)
1272         else:
1273             assert False, 'Invalid player type %r' % player_type
1274
1275         test_string = ''.join(map(compat_chr, range(len(example_sig))))
1276         cache_res = res(test_string)
1277         cache_spec = [ord(c) for c in cache_res]
1278
1279         self._downloader.cache.store('youtube-sigfuncs', func_id, cache_spec)
1280         return res
1281
1282     def _print_sig_code(self, func, example_sig):
1283         def gen_sig_code(idxs):
1284             def _genslice(start, end, step):
1285                 starts = '' if start == 0 else str(start)
1286                 ends = (':%d' % (end + step)) if end + step >= 0 else ':'
1287                 steps = '' if step == 1 else (':%d' % step)
1288                 return 's[%s%s%s]' % (starts, ends, steps)
1289
1290             step = None
1291             # Quelch pyflakes warnings - start will be set when step is set
1292             start = '(Never used)'
1293             for i, prev in zip(idxs[1:], idxs[:-1]):
1294                 if step is not None:
1295                     if i - prev == step:
1296                         continue
1297                     yield _genslice(start, prev, step)
1298                     step = None
1299                     continue
1300                 if i - prev in [-1, 1]:
1301                     step = i - prev
1302                     start = prev
1303                     continue
1304                 else:
1305                     yield 's[%d]' % prev
1306             if step is None:
1307                 yield 's[%d]' % i
1308             else:
1309                 yield _genslice(start, i, step)
1310
1311         test_string = ''.join(map(compat_chr, range(len(example_sig))))
1312         cache_res = func(test_string)
1313         cache_spec = [ord(c) for c in cache_res]
1314         expr_code = ' + '.join(gen_sig_code(cache_spec))
1315         signature_id_tuple = '(%s)' % (
1316             ', '.join(compat_str(len(p)) for p in example_sig.split('.')))
1317         code = ('if tuple(len(p) for p in s.split(\'.\')) == %s:\n'
1318                 '    return %s\n') % (signature_id_tuple, expr_code)
1319         self.to_screen('Extracted signature function:\n' + code)
1320
1321     def _parse_sig_js(self, jscode):
1322         funcname = self._search_regex(
1323             (r'\b[cs]\s*&&\s*[adf]\.set\([^,]+\s*,\s*encodeURIComponent\s*\(\s*(?P<sig>[a-zA-Z0-9$]+)\(',
1324              r'\b[a-zA-Z0-9]+\s*&&\s*[a-zA-Z0-9]+\.set\([^,]+\s*,\s*encodeURIComponent\s*\(\s*(?P<sig>[a-zA-Z0-9$]+)\(',
1325              r'(?P<sig>[a-zA-Z0-9$]+)\s*=\s*function\(\s*a\s*\)\s*{\s*a\s*=\s*a\.split\(\s*""\s*\)',
1326              # Obsolete patterns
1327              r'(["\'])signature\1\s*,\s*(?P<sig>[a-zA-Z0-9$]+)\(',
1328              r'\.sig\|\|(?P<sig>[a-zA-Z0-9$]+)\(',
1329              r'yt\.akamaized\.net/\)\s*\|\|\s*.*?\s*[cs]\s*&&\s*[adf]\.set\([^,]+\s*,\s*(?:encodeURIComponent\s*\()?\s*(?P<sig>[a-zA-Z0-9$]+)\(',
1330              r'\b[cs]\s*&&\s*[adf]\.set\([^,]+\s*,\s*(?P<sig>[a-zA-Z0-9$]+)\(',
1331              r'\b[a-zA-Z0-9]+\s*&&\s*[a-zA-Z0-9]+\.set\([^,]+\s*,\s*(?P<sig>[a-zA-Z0-9$]+)\(',
1332              r'\bc\s*&&\s*a\.set\([^,]+\s*,\s*\([^)]*\)\s*\(\s*(?P<sig>[a-zA-Z0-9$]+)\(',
1333              r'\bc\s*&&\s*[a-zA-Z0-9]+\.set\([^,]+\s*,\s*\([^)]*\)\s*\(\s*(?P<sig>[a-zA-Z0-9$]+)\(',
1334              r'\bc\s*&&\s*[a-zA-Z0-9]+\.set\([^,]+\s*,\s*\([^)]*\)\s*\(\s*(?P<sig>[a-zA-Z0-9$]+)\('),
1335             jscode, 'Initial JS player signature function name', group='sig')
1336
1337         jsi = JSInterpreter(jscode)
1338         initial_function = jsi.extract_function(funcname)
1339         return lambda s: initial_function([s])
1340
1341     def _parse_sig_swf(self, file_contents):
1342         swfi = SWFInterpreter(file_contents)
1343         TARGET_CLASSNAME = 'SignatureDecipher'
1344         searched_class = swfi.extract_class(TARGET_CLASSNAME)
1345         initial_function = swfi.extract_function(searched_class, 'decipher')
1346         return lambda s: initial_function([s])
1347
1348     def _decrypt_signature(self, s, video_id, player_url, age_gate=False):
1349         """Turn the encrypted s field into a working signature"""
1350
1351         if player_url is None:
1352             raise ExtractorError('Cannot decrypt signature without player_url')
1353
1354         if player_url.startswith('//'):
1355             player_url = 'https:' + player_url
1356         elif not re.match(r'https?://', player_url):
1357             player_url = compat_urlparse.urljoin(
1358                 'https://www.youtube.com', player_url)
1359         try:
1360             player_id = (player_url, self._signature_cache_id(s))
1361             if player_id not in self._player_cache:
1362                 func = self._extract_signature_function(
1363                     video_id, player_url, s
1364                 )
1365                 self._player_cache[player_id] = func
1366             func = self._player_cache[player_id]
1367             if self._downloader.params.get('youtube_print_sig_code'):
1368                 self._print_sig_code(func, s)
1369             return func(s)
1370         except Exception as e:
1371             tb = traceback.format_exc()
1372             raise ExtractorError(
1373                 'Signature extraction failed: ' + tb, cause=e)
1374
1375     def _get_subtitles(self, video_id, webpage):
1376         try:
1377             subs_doc = self._download_xml(
1378                 'https://video.google.com/timedtext?hl=en&type=list&v=%s' % video_id,
1379                 video_id, note=False)
1380         except ExtractorError as err:
1381             self._downloader.report_warning('unable to download video subtitles: %s' % error_to_compat_str(err))
1382             return {}
1383
1384         sub_lang_list = {}
1385         for track in subs_doc.findall('track'):
1386             lang = track.attrib['lang_code']
1387             if lang in sub_lang_list:
1388                 continue
1389             sub_formats = []
1390             for ext in self._SUBTITLE_FORMATS:
1391                 params = compat_urllib_parse_urlencode({
1392                     'lang': lang,
1393                     'v': video_id,
1394                     'fmt': ext,
1395                     'name': track.attrib['name'].encode('utf-8'),
1396                 })
1397                 sub_formats.append({
1398                     'url': 'https://www.youtube.com/api/timedtext?' + params,
1399                     'ext': ext,
1400                 })
1401             sub_lang_list[lang] = sub_formats
1402         if not sub_lang_list:
1403             self._downloader.report_warning('video doesn\'t have subtitles')
1404             return {}
1405         return sub_lang_list
1406
1407     def _get_ytplayer_config(self, video_id, webpage):
1408         patterns = (
1409             # User data may contain arbitrary character sequences that may affect
1410             # JSON extraction with regex, e.g. when '};' is contained the second
1411             # regex won't capture the whole JSON. Yet working around by trying more
1412             # concrete regex first keeping in mind proper quoted string handling
1413             # to be implemented in future that will replace this workaround (see
1414             # https://github.com/ytdl-org/youtube-dl/issues/7468,
1415             # https://github.com/ytdl-org/youtube-dl/pull/7599)
1416             r';ytplayer\.config\s*=\s*({.+?});ytplayer',
1417             r';ytplayer\.config\s*=\s*({.+?});',
1418         )
1419         config = self._search_regex(
1420             patterns, webpage, 'ytplayer.config', default=None)
1421         if config:
1422             return self._parse_json(
1423                 uppercase_escape(config), video_id, fatal=False)
1424
1425     def _get_automatic_captions(self, video_id, webpage):
1426         """We need the webpage for getting the captions url, pass it as an
1427            argument to speed up the process."""
1428         self.to_screen('%s: Looking for automatic captions' % video_id)
1429         player_config = self._get_ytplayer_config(video_id, webpage)
1430         err_msg = 'Couldn\'t find automatic captions for %s' % video_id
1431         if not player_config:
1432             self._downloader.report_warning(err_msg)
1433             return {}
1434         try:
1435             args = player_config['args']
1436             caption_url = args.get('ttsurl')
1437             if caption_url:
1438                 timestamp = args['timestamp']
1439                 # We get the available subtitles
1440                 list_params = compat_urllib_parse_urlencode({
1441                     'type': 'list',
1442                     'tlangs': 1,
1443                     'asrs': 1,
1444                 })
1445                 list_url = caption_url + '&' + list_params
1446                 caption_list = self._download_xml(list_url, video_id)
1447                 original_lang_node = caption_list.find('track')
1448                 if original_lang_node is None:
1449                     self._downloader.report_warning('Video doesn\'t have automatic captions')
1450                     return {}
1451                 original_lang = original_lang_node.attrib['lang_code']
1452                 caption_kind = original_lang_node.attrib.get('kind', '')
1453
1454                 sub_lang_list = {}
1455                 for lang_node in caption_list.findall('target'):
1456                     sub_lang = lang_node.attrib['lang_code']
1457                     sub_formats = []
1458                     for ext in self._SUBTITLE_FORMATS:
1459                         params = compat_urllib_parse_urlencode({
1460                             'lang': original_lang,
1461                             'tlang': sub_lang,
1462                             'fmt': ext,
1463                             'ts': timestamp,
1464                             'kind': caption_kind,
1465                         })
1466                         sub_formats.append({
1467                             'url': caption_url + '&' + params,
1468                             'ext': ext,
1469                         })
1470                     sub_lang_list[sub_lang] = sub_formats
1471                 return sub_lang_list
1472
1473             def make_captions(sub_url, sub_langs):
1474                 parsed_sub_url = compat_urllib_parse_urlparse(sub_url)
1475                 caption_qs = compat_parse_qs(parsed_sub_url.query)
1476                 captions = {}
1477                 for sub_lang in sub_langs:
1478                     sub_formats = []
1479                     for ext in self._SUBTITLE_FORMATS:
1480                         caption_qs.update({
1481                             'tlang': [sub_lang],
1482                             'fmt': [ext],
1483                         })
1484                         sub_url = compat_urlparse.urlunparse(parsed_sub_url._replace(
1485                             query=compat_urllib_parse_urlencode(caption_qs, True)))
1486                         sub_formats.append({
1487                             'url': sub_url,
1488                             'ext': ext,
1489                         })
1490                     captions[sub_lang] = sub_formats
1491                 return captions
1492
1493             # New captions format as of 22.06.2017
1494             player_response = args.get('player_response')
1495             if player_response and isinstance(player_response, compat_str):
1496                 player_response = self._parse_json(
1497                     player_response, video_id, fatal=False)
1498                 if player_response:
1499                     renderer = player_response['captions']['playerCaptionsTracklistRenderer']
1500                     base_url = renderer['captionTracks'][0]['baseUrl']
1501                     sub_lang_list = []
1502                     for lang in renderer['translationLanguages']:
1503                         lang_code = lang.get('languageCode')
1504                         if lang_code:
1505                             sub_lang_list.append(lang_code)
1506                     return make_captions(base_url, sub_lang_list)
1507
1508             # Some videos don't provide ttsurl but rather caption_tracks and
1509             # caption_translation_languages (e.g. 20LmZk1hakA)
1510             # Does not used anymore as of 22.06.2017
1511             caption_tracks = args['caption_tracks']
1512             caption_translation_languages = args['caption_translation_languages']
1513             caption_url = compat_parse_qs(caption_tracks.split(',')[0])['u'][0]
1514             sub_lang_list = []
1515             for lang in caption_translation_languages.split(','):
1516                 lang_qs = compat_parse_qs(compat_urllib_parse_unquote_plus(lang))
1517                 sub_lang = lang_qs.get('lc', [None])[0]
1518                 if sub_lang:
1519                     sub_lang_list.append(sub_lang)
1520             return make_captions(caption_url, sub_lang_list)
1521         # An extractor error can be raise by the download process if there are
1522         # no automatic captions but there are subtitles
1523         except (KeyError, IndexError, ExtractorError):
1524             self._downloader.report_warning(err_msg)
1525             return {}
1526
1527     def _mark_watched(self, video_id, video_info, player_response):
1528         playback_url = url_or_none(try_get(
1529             player_response,
1530             lambda x: x['playbackTracking']['videostatsPlaybackUrl']['baseUrl']) or try_get(
1531             video_info, lambda x: x['videostats_playback_base_url'][0]))
1532         if not playback_url:
1533             return
1534         parsed_playback_url = compat_urlparse.urlparse(playback_url)
1535         qs = compat_urlparse.parse_qs(parsed_playback_url.query)
1536
1537         # cpn generation algorithm is reverse engineered from base.js.
1538         # In fact it works even with dummy cpn.
1539         CPN_ALPHABET = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789-_'
1540         cpn = ''.join((CPN_ALPHABET[random.randint(0, 256) & 63] for _ in range(0, 16)))
1541
1542         qs.update({
1543             'ver': ['2'],
1544             'cpn': [cpn],
1545         })
1546         playback_url = compat_urlparse.urlunparse(
1547             parsed_playback_url._replace(query=compat_urllib_parse_urlencode(qs, True)))
1548
1549         self._download_webpage(
1550             playback_url, video_id, 'Marking watched',
1551             'Unable to mark watched', fatal=False)
1552
1553     @staticmethod
1554     def _extract_urls(webpage):
1555         # Embedded YouTube player
1556         entries = [
1557             unescapeHTML(mobj.group('url'))
1558             for mobj in re.finditer(r'''(?x)
1559             (?:
1560                 <iframe[^>]+?src=|
1561                 data-video-url=|
1562                 <embed[^>]+?src=|
1563                 embedSWF\(?:\s*|
1564                 <object[^>]+data=|
1565                 new\s+SWFObject\(
1566             )
1567             (["\'])
1568                 (?P<url>(?:https?:)?//(?:www\.)?youtube(?:-nocookie)?\.com/
1569                 (?:embed|v|p)/[0-9A-Za-z_-]{11}.*?)
1570             \1''', webpage)]
1571
1572         # lazyYT YouTube embed
1573         entries.extend(list(map(
1574             unescapeHTML,
1575             re.findall(r'class="lazyYT" data-youtube-id="([^"]+)"', webpage))))
1576
1577         # Wordpress "YouTube Video Importer" plugin
1578         matches = re.findall(r'''(?x)<div[^>]+
1579             class=(?P<q1>[\'"])[^\'"]*\byvii_single_video_player\b[^\'"]*(?P=q1)[^>]+
1580             data-video_id=(?P<q2>[\'"])([^\'"]+)(?P=q2)''', webpage)
1581         entries.extend(m[-1] for m in matches)
1582
1583         return entries
1584
1585     @staticmethod
1586     def _extract_url(webpage):
1587         urls = YoutubeIE._extract_urls(webpage)
1588         return urls[0] if urls else None
1589
1590     @classmethod
1591     def extract_id(cls, url):
1592         mobj = re.match(cls._VALID_URL, url, re.VERBOSE)
1593         if mobj is None:
1594             raise ExtractorError('Invalid URL: %s' % url)
1595         video_id = mobj.group(2)
1596         return video_id
1597
1598     @staticmethod
1599     def _extract_chapters(description, duration):
1600         if not description:
1601             return None
1602         chapter_lines = re.findall(
1603             r'(?:^|<br\s*/>)([^<]*<a[^>]+onclick=["\']yt\.www\.watch\.player\.seekTo[^>]+>(\d{1,2}:\d{1,2}(?::\d{1,2})?)</a>[^>]*)(?=$|<br\s*/>)',
1604             description)
1605         if not chapter_lines:
1606             return None
1607         chapters = []
1608         for next_num, (chapter_line, time_point) in enumerate(
1609                 chapter_lines, start=1):
1610             start_time = parse_duration(time_point)
1611             if start_time is None:
1612                 continue
1613             if start_time > duration:
1614                 break
1615             end_time = (duration if next_num == len(chapter_lines)
1616                         else parse_duration(chapter_lines[next_num][1]))
1617             if end_time is None:
1618                 continue
1619             if end_time > duration:
1620                 end_time = duration
1621             if start_time > end_time:
1622                 break
1623             chapter_title = re.sub(
1624                 r'<a[^>]+>[^<]+</a>', '', chapter_line).strip(' \t-')
1625             chapter_title = re.sub(r'\s+', ' ', chapter_title)
1626             chapters.append({
1627                 'start_time': start_time,
1628                 'end_time': end_time,
1629                 'title': chapter_title,
1630             })
1631         return chapters
1632
1633     def _real_extract(self, url):
1634         url, smuggled_data = unsmuggle_url(url, {})
1635
1636         proto = (
1637             'http' if self._downloader.params.get('prefer_insecure', False)
1638             else 'https')
1639
1640         start_time = None
1641         end_time = None
1642         parsed_url = compat_urllib_parse_urlparse(url)
1643         for component in [parsed_url.fragment, parsed_url.query]:
1644             query = compat_parse_qs(component)
1645             if start_time is None and 't' in query:
1646                 start_time = parse_duration(query['t'][0])
1647             if start_time is None and 'start' in query:
1648                 start_time = parse_duration(query['start'][0])
1649             if end_time is None and 'end' in query:
1650                 end_time = parse_duration(query['end'][0])
1651
1652         # Extract original video URL from URL with redirection, like age verification, using next_url parameter
1653         mobj = re.search(self._NEXT_URL_RE, url)
1654         if mobj:
1655             url = proto + '://www.youtube.com/' + compat_urllib_parse_unquote(mobj.group(1)).lstrip('/')
1656         video_id = self.extract_id(url)
1657
1658         # Get video webpage
1659         url = proto + '://www.youtube.com/watch?v=%s&gl=US&hl=en&has_verified=1&bpctr=9999999999' % video_id
1660         video_webpage = self._download_webpage(url, video_id)
1661
1662         # Attempt to extract SWF player URL
1663         mobj = re.search(r'swfConfig.*?"(https?:\\/\\/.*?watch.*?-.*?\.swf)"', video_webpage)
1664         if mobj is not None:
1665             player_url = re.sub(r'\\(.)', r'\1', mobj.group(1))
1666         else:
1667             player_url = None
1668
1669         dash_mpds = []
1670
1671         def add_dash_mpd(video_info):
1672             dash_mpd = video_info.get('dashmpd')
1673             if dash_mpd and dash_mpd[0] not in dash_mpds:
1674                 dash_mpds.append(dash_mpd[0])
1675
1676         def add_dash_mpd_pr(pl_response):
1677             dash_mpd = url_or_none(try_get(
1678                 pl_response, lambda x: x['streamingData']['dashManifestUrl'],
1679                 compat_str))
1680             if dash_mpd and dash_mpd not in dash_mpds:
1681                 dash_mpds.append(dash_mpd)
1682
1683         is_live = None
1684         view_count = None
1685
1686         def extract_view_count(v_info):
1687             return int_or_none(try_get(v_info, lambda x: x['view_count'][0]))
1688
1689         def extract_token(v_info):
1690             return dict_get(v_info, ('account_playback_token', 'accountPlaybackToken', 'token'))
1691
1692         def extract_player_response(player_response, video_id):
1693             pl_response = str_or_none(player_response)
1694             if not pl_response:
1695                 return
1696             pl_response = self._parse_json(pl_response, video_id, fatal=False)
1697             if isinstance(pl_response, dict):
1698                 add_dash_mpd_pr(pl_response)
1699                 return pl_response
1700
1701         player_response = {}
1702
1703         # Get video info
1704         embed_webpage = None
1705         if re.search(r'player-age-gate-content">', video_webpage) is not None:
1706             age_gate = True
1707             # We simulate the access to the video from www.youtube.com/v/{video_id}
1708             # this can be viewed without login into Youtube
1709             url = proto + '://www.youtube.com/embed/%s' % video_id
1710             embed_webpage = self._download_webpage(url, video_id, 'Downloading embed webpage')
1711             data = compat_urllib_parse_urlencode({
1712                 'video_id': video_id,
1713                 'eurl': 'https://youtube.googleapis.com/v/' + video_id,
1714                 'sts': self._search_regex(
1715                     r'"sts"\s*:\s*(\d+)', embed_webpage, 'sts', default=''),
1716             })
1717             video_info_url = proto + '://www.youtube.com/get_video_info?' + data
1718             video_info_webpage = self._download_webpage(
1719                 video_info_url, video_id,
1720                 note='Refetching age-gated info webpage',
1721                 errnote='unable to download video info webpage')
1722             video_info = compat_parse_qs(video_info_webpage)
1723             pl_response = video_info.get('player_response', [None])[0]
1724             player_response = extract_player_response(pl_response, video_id)
1725             add_dash_mpd(video_info)
1726             view_count = extract_view_count(video_info)
1727         else:
1728             age_gate = False
1729             video_info = None
1730             sts = None
1731             # Try looking directly into the video webpage
1732             ytplayer_config = self._get_ytplayer_config(video_id, video_webpage)
1733             if ytplayer_config:
1734                 args = ytplayer_config['args']
1735                 if args.get('url_encoded_fmt_stream_map') or args.get('hlsvp'):
1736                     # Convert to the same format returned by compat_parse_qs
1737                     video_info = dict((k, [v]) for k, v in args.items())
1738                     add_dash_mpd(video_info)
1739                 # Rental video is not rented but preview is available (e.g.
1740                 # https://www.youtube.com/watch?v=yYr8q0y5Jfg,
1741                 # https://github.com/ytdl-org/youtube-dl/issues/10532)
1742                 if not video_info and args.get('ypc_vid'):
1743                     return self.url_result(
1744                         args['ypc_vid'], YoutubeIE.ie_key(), video_id=args['ypc_vid'])
1745                 if args.get('livestream') == '1' or args.get('live_playback') == 1:
1746                     is_live = True
1747                 sts = ytplayer_config.get('sts')
1748                 if not player_response:
1749                     player_response = extract_player_response(args.get('player_response'), video_id)
1750             if not video_info or self._downloader.params.get('youtube_include_dash_manifest', True):
1751                 add_dash_mpd_pr(player_response)
1752                 # We also try looking in get_video_info since it may contain different dashmpd
1753                 # URL that points to a DASH manifest with possibly different itag set (some itags
1754                 # are missing from DASH manifest pointed by webpage's dashmpd, some - from DASH
1755                 # manifest pointed by get_video_info's dashmpd).
1756                 # The general idea is to take a union of itags of both DASH manifests (for example
1757                 # video with such 'manifest behavior' see https://github.com/ytdl-org/youtube-dl/issues/6093)
1758                 self.report_video_info_webpage_download(video_id)
1759                 for el in ('embedded', 'detailpage', 'vevo', ''):
1760                     query = {
1761                         'video_id': video_id,
1762                         'ps': 'default',
1763                         'eurl': '',
1764                         'gl': 'US',
1765                         'hl': 'en',
1766                     }
1767                     if el:
1768                         query['el'] = el
1769                     if sts:
1770                         query['sts'] = sts
1771                     video_info_webpage = self._download_webpage(
1772                         '%s://www.youtube.com/get_video_info' % proto,
1773                         video_id, note=False,
1774                         errnote='unable to download video info webpage',
1775                         fatal=False, query=query)
1776                     if not video_info_webpage:
1777                         continue
1778                     get_video_info = compat_parse_qs(video_info_webpage)
1779                     if not player_response:
1780                         pl_response = get_video_info.get('player_response', [None])[0]
1781                         player_response = extract_player_response(pl_response, video_id)
1782                     add_dash_mpd(get_video_info)
1783                     if view_count is None:
1784                         view_count = extract_view_count(get_video_info)
1785                     if not video_info:
1786                         video_info = get_video_info
1787                     get_token = extract_token(get_video_info)
1788                     if get_token:
1789                         # Different get_video_info requests may report different results, e.g.
1790                         # some may report video unavailability, but some may serve it without
1791                         # any complaint (see https://github.com/ytdl-org/youtube-dl/issues/7362,
1792                         # the original webpage as well as el=info and el=embedded get_video_info
1793                         # requests report video unavailability due to geo restriction while
1794                         # el=detailpage succeeds and returns valid data). This is probably
1795                         # due to YouTube measures against IP ranges of hosting providers.
1796                         # Working around by preferring the first succeeded video_info containing
1797                         # the token if no such video_info yet was found.
1798                         token = extract_token(video_info)
1799                         if not token:
1800                             video_info = get_video_info
1801                         break
1802
1803         def extract_unavailable_message():
1804             return self._html_search_regex(
1805                 (r'(?s)<div[^>]+id=["\']unavailable-submessage["\'][^>]+>(.+?)</div',
1806                  r'(?s)<h1[^>]+id=["\']unavailable-message["\'][^>]*>(.+?)</h1>'),
1807                 video_webpage, 'unavailable message', default=None)
1808
1809         if not video_info:
1810             unavailable_message = extract_unavailable_message()
1811             if not unavailable_message:
1812                 unavailable_message = 'Unable to extract video data'
1813             raise ExtractorError(
1814                 'YouTube said: %s' % unavailable_message, expected=True, video_id=video_id)
1815
1816         video_details = try_get(
1817             player_response, lambda x: x['videoDetails'], dict) or {}
1818
1819         video_title = video_info.get('title', [None])[0] or video_details.get('title')
1820         if not video_title:
1821             self._downloader.report_warning('Unable to extract video title')
1822             video_title = '_'
1823
1824         description_original = video_description = get_element_by_id("eow-description", video_webpage)
1825         if video_description:
1826
1827             def replace_url(m):
1828                 redir_url = compat_urlparse.urljoin(url, m.group(1))
1829                 parsed_redir_url = compat_urllib_parse_urlparse(redir_url)
1830                 if re.search(r'^(?:www\.)?(?:youtube(?:-nocookie)?\.com|youtu\.be)$', parsed_redir_url.netloc) and parsed_redir_url.path == '/redirect':
1831                     qs = compat_parse_qs(parsed_redir_url.query)
1832                     q = qs.get('q')
1833                     if q and q[0]:
1834                         return q[0]
1835                 return redir_url
1836
1837             description_original = video_description = re.sub(r'''(?x)
1838                 <a\s+
1839                     (?:[a-zA-Z-]+="[^"]*"\s+)*?
1840                     (?:title|href)="([^"]+)"\s+
1841                     (?:[a-zA-Z-]+="[^"]*"\s+)*?
1842                     class="[^"]*"[^>]*>
1843                 [^<]+\.{3}\s*
1844                 </a>
1845             ''', replace_url, video_description)
1846             video_description = clean_html(video_description)
1847         else:
1848             video_description = self._html_search_meta('description', video_webpage) or video_details.get('shortDescription')
1849
1850         if not smuggled_data.get('force_singlefeed', False):
1851             if not self._downloader.params.get('noplaylist'):
1852                 multifeed_metadata_list = try_get(
1853                     player_response,
1854                     lambda x: x['multicamera']['playerLegacyMulticameraRenderer']['metadataList'],
1855                     compat_str) or try_get(
1856                     video_info, lambda x: x['multifeed_metadata_list'][0], compat_str)
1857                 if multifeed_metadata_list:
1858                     entries = []
1859                     feed_ids = []
1860                     for feed in multifeed_metadata_list.split(','):
1861                         # Unquote should take place before split on comma (,) since textual
1862                         # fields may contain comma as well (see
1863                         # https://github.com/ytdl-org/youtube-dl/issues/8536)
1864                         feed_data = compat_parse_qs(compat_urllib_parse_unquote_plus(feed))
1865                         entries.append({
1866                             '_type': 'url_transparent',
1867                             'ie_key': 'Youtube',
1868                             'url': smuggle_url(
1869                                 '%s://www.youtube.com/watch?v=%s' % (proto, feed_data['id'][0]),
1870                                 {'force_singlefeed': True}),
1871                             'title': '%s (%s)' % (video_title, feed_data['title'][0]),
1872                         })
1873                         feed_ids.append(feed_data['id'][0])
1874                     self.to_screen(
1875                         'Downloading multifeed video (%s) - add --no-playlist to just download video %s'
1876                         % (', '.join(feed_ids), video_id))
1877                     return self.playlist_result(entries, video_id, video_title, video_description)
1878             else:
1879                 self.to_screen('Downloading just video %s because of --no-playlist' % video_id)
1880
1881         if view_count is None:
1882             view_count = extract_view_count(video_info)
1883         if view_count is None and video_details:
1884             view_count = int_or_none(video_details.get('viewCount'))
1885
1886         if is_live is None:
1887             is_live = bool_or_none(video_details.get('isLive'))
1888
1889         # Check for "rental" videos
1890         if 'ypc_video_rental_bar_text' in video_info and 'author' not in video_info:
1891             raise ExtractorError('"rental" videos not supported. See https://github.com/ytdl-org/youtube-dl/issues/359 for more information.', expected=True)
1892
1893         def _extract_filesize(media_url):
1894             return int_or_none(self._search_regex(
1895                 r'\bclen[=/](\d+)', media_url, 'filesize', default=None))
1896
1897         if 'conn' in video_info and video_info['conn'][0].startswith('rtmp'):
1898             self.report_rtmp_download()
1899             formats = [{
1900                 'format_id': '_rtmp',
1901                 'protocol': 'rtmp',
1902                 'url': video_info['conn'][0],
1903                 'player_url': player_url,
1904             }]
1905         elif not is_live and (len(video_info.get('url_encoded_fmt_stream_map', [''])[0]) >= 1 or len(video_info.get('adaptive_fmts', [''])[0]) >= 1):
1906             encoded_url_map = video_info.get('url_encoded_fmt_stream_map', [''])[0] + ',' + video_info.get('adaptive_fmts', [''])[0]
1907             if 'rtmpe%3Dyes' in encoded_url_map:
1908                 raise ExtractorError('rtmpe downloads are not supported, see https://github.com/ytdl-org/youtube-dl/issues/343 for more information.', expected=True)
1909             formats_spec = {}
1910             fmt_list = video_info.get('fmt_list', [''])[0]
1911             if fmt_list:
1912                 for fmt in fmt_list.split(','):
1913                     spec = fmt.split('/')
1914                     if len(spec) > 1:
1915                         width_height = spec[1].split('x')
1916                         if len(width_height) == 2:
1917                             formats_spec[spec[0]] = {
1918                                 'resolution': spec[1],
1919                                 'width': int_or_none(width_height[0]),
1920                                 'height': int_or_none(width_height[1]),
1921                             }
1922             q = qualities(['small', 'medium', 'hd720'])
1923             streaming_formats = try_get(player_response, lambda x: x['streamingData']['formats'], list)
1924             if streaming_formats:
1925                 for fmt in streaming_formats:
1926                     itag = str_or_none(fmt.get('itag'))
1927                     if not itag:
1928                         continue
1929                     quality = fmt.get('quality')
1930                     quality_label = fmt.get('qualityLabel') or quality
1931                     formats_spec[itag] = {
1932                         'asr': int_or_none(fmt.get('audioSampleRate')),
1933                         'filesize': int_or_none(fmt.get('contentLength')),
1934                         'format_note': quality_label,
1935                         'fps': int_or_none(fmt.get('fps')),
1936                         'height': int_or_none(fmt.get('height')),
1937                         'quality': q(quality),
1938                         # bitrate for itag 43 is always 2147483647
1939                         'tbr': float_or_none(fmt.get('averageBitrate') or fmt.get('bitrate'), 1000) if itag != '43' else None,
1940                         'width': int_or_none(fmt.get('width')),
1941                     }
1942             formats = []
1943             for url_data_str in encoded_url_map.split(','):
1944                 url_data = compat_parse_qs(url_data_str)
1945                 if 'itag' not in url_data or 'url' not in url_data or url_data.get('drm_families'):
1946                     continue
1947                 stream_type = int_or_none(try_get(url_data, lambda x: x['stream_type'][0]))
1948                 # Unsupported FORMAT_STREAM_TYPE_OTF
1949                 if stream_type == 3:
1950                     continue
1951                 format_id = url_data['itag'][0]
1952                 url = url_data['url'][0]
1953
1954                 if 's' in url_data or self._downloader.params.get('youtube_include_dash_manifest', True):
1955                     ASSETS_RE = r'"assets":.+?"js":\s*("[^"]+")'
1956                     jsplayer_url_json = self._search_regex(
1957                         ASSETS_RE,
1958                         embed_webpage if age_gate else video_webpage,
1959                         'JS player URL (1)', default=None)
1960                     if not jsplayer_url_json and not age_gate:
1961                         # We need the embed website after all
1962                         if embed_webpage is None:
1963                             embed_url = proto + '://www.youtube.com/embed/%s' % video_id
1964                             embed_webpage = self._download_webpage(
1965                                 embed_url, video_id, 'Downloading embed webpage')
1966                         jsplayer_url_json = self._search_regex(
1967                             ASSETS_RE, embed_webpage, 'JS player URL')
1968
1969                     player_url = json.loads(jsplayer_url_json)
1970                     if player_url is None:
1971                         player_url_json = self._search_regex(
1972                             r'ytplayer\.config.*?"url"\s*:\s*("[^"]+")',
1973                             video_webpage, 'age gate player URL')
1974                         player_url = json.loads(player_url_json)
1975
1976                 if 'sig' in url_data:
1977                     url += '&signature=' + url_data['sig'][0]
1978                 elif 's' in url_data:
1979                     encrypted_sig = url_data['s'][0]
1980
1981                     if self._downloader.params.get('verbose'):
1982                         if player_url is None:
1983                             player_version = 'unknown'
1984                             player_desc = 'unknown'
1985                         else:
1986                             if player_url.endswith('swf'):
1987                                 player_version = self._search_regex(
1988                                     r'-(.+?)(?:/watch_as3)?\.swf$', player_url,
1989                                     'flash player', fatal=False)
1990                                 player_desc = 'flash player %s' % player_version
1991                             else:
1992                                 player_version = self._search_regex(
1993                                     [r'html5player-([^/]+?)(?:/html5player(?:-new)?)?\.js',
1994                                      r'(?:www|player(?:_ias)?)-([^/]+)(?:/[a-z]{2,3}_[A-Z]{2})?/base\.js'],
1995                                     player_url,
1996                                     'html5 player', fatal=False)
1997                                 player_desc = 'html5 player %s' % player_version
1998
1999                         parts_sizes = self._signature_cache_id(encrypted_sig)
2000                         self.to_screen('{%s} signature length %s, %s' %
2001                                        (format_id, parts_sizes, player_desc))
2002
2003                     signature = self._decrypt_signature(
2004                         encrypted_sig, video_id, player_url, age_gate)
2005                     sp = try_get(url_data, lambda x: x['sp'][0], compat_str) or 'signature'
2006                     url += '&%s=%s' % (sp, signature)
2007                 if 'ratebypass' not in url:
2008                     url += '&ratebypass=yes'
2009
2010                 dct = {
2011                     'format_id': format_id,
2012                     'url': url,
2013                     'player_url': player_url,
2014                 }
2015                 if format_id in self._formats:
2016                     dct.update(self._formats[format_id])
2017                 if format_id in formats_spec:
2018                     dct.update(formats_spec[format_id])
2019
2020                 # Some itags are not included in DASH manifest thus corresponding formats will
2021                 # lack metadata (see https://github.com/ytdl-org/youtube-dl/pull/5993).
2022                 # Trying to extract metadata from url_encoded_fmt_stream_map entry.
2023                 mobj = re.search(r'^(?P<width>\d+)[xX](?P<height>\d+)$', url_data.get('size', [''])[0])
2024                 width, height = (int(mobj.group('width')), int(mobj.group('height'))) if mobj else (None, None)
2025
2026                 filesize = int_or_none(url_data.get(
2027                     'clen', [None])[0]) or _extract_filesize(url)
2028
2029                 quality = url_data.get('quality', [None])[0]
2030
2031                 more_fields = {
2032                     'filesize': filesize,
2033                     'tbr': float_or_none(url_data.get('bitrate', [None])[0], 1000),
2034                     'width': width,
2035                     'height': height,
2036                     'fps': int_or_none(url_data.get('fps', [None])[0]),
2037                     'format_note': url_data.get('quality_label', [None])[0] or quality,
2038                     'quality': q(quality),
2039                 }
2040                 for key, value in more_fields.items():
2041                     if value:
2042                         dct[key] = value
2043                 type_ = url_data.get('type', [None])[0]
2044                 if type_:
2045                     type_split = type_.split(';')
2046                     kind_ext = type_split[0].split('/')
2047                     if len(kind_ext) == 2:
2048                         kind, _ = kind_ext
2049                         dct['ext'] = mimetype2ext(type_split[0])
2050                         if kind in ('audio', 'video'):
2051                             codecs = None
2052                             for mobj in re.finditer(
2053                                     r'(?P<key>[a-zA-Z_-]+)=(?P<quote>["\']?)(?P<val>.+?)(?P=quote)(?:;|$)', type_):
2054                                 if mobj.group('key') == 'codecs':
2055                                     codecs = mobj.group('val')
2056                                     break
2057                             if codecs:
2058                                 dct.update(parse_codecs(codecs))
2059                 if dct.get('acodec') == 'none' or dct.get('vcodec') == 'none':
2060                     dct['downloader_options'] = {
2061                         # Youtube throttles chunks >~10M
2062                         'http_chunk_size': 10485760,
2063                     }
2064                 formats.append(dct)
2065         else:
2066             manifest_url = (
2067                 url_or_none(try_get(
2068                     player_response,
2069                     lambda x: x['streamingData']['hlsManifestUrl'],
2070                     compat_str))
2071                 or url_or_none(try_get(
2072                     video_info, lambda x: x['hlsvp'][0], compat_str)))
2073             if manifest_url:
2074                 formats = []
2075                 m3u8_formats = self._extract_m3u8_formats(
2076                     manifest_url, video_id, 'mp4', fatal=False)
2077                 for a_format in m3u8_formats:
2078                     itag = self._search_regex(
2079                         r'/itag/(\d+)/', a_format['url'], 'itag', default=None)
2080                     if itag:
2081                         a_format['format_id'] = itag
2082                         if itag in self._formats:
2083                             dct = self._formats[itag].copy()
2084                             dct.update(a_format)
2085                             a_format = dct
2086                     a_format['player_url'] = player_url
2087                     # Accept-Encoding header causes failures in live streams on Youtube and Youtube Gaming
2088                     a_format.setdefault('http_headers', {})['Youtubedl-no-compression'] = 'True'
2089                     formats.append(a_format)
2090             else:
2091                 error_message = extract_unavailable_message()
2092                 if not error_message:
2093                     error_message = clean_html(try_get(
2094                         player_response, lambda x: x['playabilityStatus']['reason'],
2095                         compat_str))
2096                 if not error_message:
2097                     error_message = clean_html(
2098                         try_get(video_info, lambda x: x['reason'][0], compat_str))
2099                 if error_message:
2100                     raise ExtractorError(error_message, expected=True)
2101                 raise ExtractorError('no conn, hlsvp, hlsManifestUrl or url_encoded_fmt_stream_map information found in video info')
2102
2103         # uploader
2104         video_uploader = try_get(
2105             video_info, lambda x: x['author'][0],
2106             compat_str) or str_or_none(video_details.get('author'))
2107         if video_uploader:
2108             video_uploader = compat_urllib_parse_unquote_plus(video_uploader)
2109         else:
2110             self._downloader.report_warning('unable to extract uploader name')
2111
2112         # uploader_id
2113         video_uploader_id = None
2114         video_uploader_url = None
2115         mobj = re.search(
2116             r'<link itemprop="url" href="(?P<uploader_url>https?://www\.youtube\.com/(?:user|channel)/(?P<uploader_id>[^"]+))">',
2117             video_webpage)
2118         if mobj is not None:
2119             video_uploader_id = mobj.group('uploader_id')
2120             video_uploader_url = mobj.group('uploader_url')
2121         else:
2122             self._downloader.report_warning('unable to extract uploader nickname')
2123
2124         channel_id = (
2125             str_or_none(video_details.get('channelId'))
2126             or self._html_search_meta(
2127                 'channelId', video_webpage, 'channel id', default=None)
2128             or self._search_regex(
2129                 r'data-channel-external-id=(["\'])(?P<id>(?:(?!\1).)+)\1',
2130                 video_webpage, 'channel id', default=None, group='id'))
2131         channel_url = 'http://www.youtube.com/channel/%s' % channel_id if channel_id else None
2132
2133         # thumbnail image
2134         # We try first to get a high quality image:
2135         m_thumb = re.search(r'<span itemprop="thumbnail".*?href="(.*?)">',
2136                             video_webpage, re.DOTALL)
2137         if m_thumb is not None:
2138             video_thumbnail = m_thumb.group(1)
2139         elif 'thumbnail_url' not in video_info:
2140             self._downloader.report_warning('unable to extract video thumbnail')
2141             video_thumbnail = None
2142         else:   # don't panic if we can't find it
2143             video_thumbnail = compat_urllib_parse_unquote_plus(video_info['thumbnail_url'][0])
2144
2145         # upload date
2146         upload_date = self._html_search_meta(
2147             'datePublished', video_webpage, 'upload date', default=None)
2148         if not upload_date:
2149             upload_date = self._search_regex(
2150                 [r'(?s)id="eow-date.*?>(.*?)</span>',
2151                  r'(?:id="watch-uploader-info".*?>.*?|["\']simpleText["\']\s*:\s*["\'])(?:Published|Uploaded|Streamed live|Started) on (.+?)[<"\']'],
2152                 video_webpage, 'upload date', default=None)
2153         upload_date = unified_strdate(upload_date)
2154
2155         video_license = self._html_search_regex(
2156             r'<h4[^>]+class="title"[^>]*>\s*License\s*</h4>\s*<ul[^>]*>\s*<li>(.+?)</li',
2157             video_webpage, 'license', default=None)
2158
2159         m_music = re.search(
2160             r'''(?x)
2161                 <h4[^>]+class="title"[^>]*>\s*Music\s*</h4>\s*
2162                 <ul[^>]*>\s*
2163                 <li>(?P<title>.+?)
2164                 by (?P<creator>.+?)
2165                 (?:
2166                     \(.+?\)|
2167                     <a[^>]*
2168                         (?:
2169                             \bhref=["\']/red[^>]*>|             # drop possible
2170                             >\s*Listen ad-free with YouTube Red # YouTube Red ad
2171                         )
2172                     .*?
2173                 )?</li
2174             ''',
2175             video_webpage)
2176         if m_music:
2177             video_alt_title = remove_quotes(unescapeHTML(m_music.group('title')))
2178             video_creator = clean_html(m_music.group('creator'))
2179         else:
2180             video_alt_title = video_creator = None
2181
2182         def extract_meta(field):
2183             return self._html_search_regex(
2184                 r'<h4[^>]+class="title"[^>]*>\s*%s\s*</h4>\s*<ul[^>]*>\s*<li>(.+?)</li>\s*' % field,
2185                 video_webpage, field, default=None)
2186
2187         track = extract_meta('Song')
2188         artist = extract_meta('Artist')
2189         album = extract_meta('Album')
2190
2191         # Youtube Music Auto-generated description
2192         release_date = release_year = None
2193         if video_description:
2194             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)
2195             if mobj:
2196                 if not track:
2197                     track = mobj.group('track').strip()
2198                 if not artist:
2199                     artist = mobj.group('clean_artist') or ', '.join(a.strip() for a in mobj.group('artist').split('·'))
2200                 if not album:
2201                     album = mobj.group('album'.strip())
2202                 release_year = mobj.group('release_year')
2203                 release_date = mobj.group('release_date')
2204                 if release_date:
2205                     release_date = release_date.replace('-', '')
2206                     if not release_year:
2207                         release_year = int(release_date[:4])
2208                 if release_year:
2209                     release_year = int(release_year)
2210
2211         m_episode = re.search(
2212             r'<div[^>]+id="watch7-headline"[^>]*>\s*<span[^>]*>.*?>(?P<series>[^<]+)</a></b>\s*S(?P<season>\d+)\s*•\s*E(?P<episode>\d+)</span>',
2213             video_webpage)
2214         if m_episode:
2215             series = unescapeHTML(m_episode.group('series'))
2216             season_number = int(m_episode.group('season'))
2217             episode_number = int(m_episode.group('episode'))
2218         else:
2219             series = season_number = episode_number = None
2220
2221         m_cat_container = self._search_regex(
2222             r'(?s)<h4[^>]*>\s*Category\s*</h4>\s*<ul[^>]*>(.*?)</ul>',
2223             video_webpage, 'categories', default=None)
2224         if m_cat_container:
2225             category = self._html_search_regex(
2226                 r'(?s)<a[^<]+>(.*?)</a>', m_cat_container, 'category',
2227                 default=None)
2228             video_categories = None if category is None else [category]
2229         else:
2230             video_categories = None
2231
2232         video_tags = [
2233             unescapeHTML(m.group('content'))
2234             for m in re.finditer(self._meta_regex('og:video:tag'), video_webpage)]
2235
2236         def _extract_count(count_name):
2237             return str_to_int(self._search_regex(
2238                 r'-%s-button[^>]+><span[^>]+class="yt-uix-button-content"[^>]*>([\d,]+)</span>'
2239                 % re.escape(count_name),
2240                 video_webpage, count_name, default=None))
2241
2242         like_count = _extract_count('like')
2243         dislike_count = _extract_count('dislike')
2244
2245         if view_count is None:
2246             view_count = str_to_int(self._search_regex(
2247                 r'<[^>]+class=["\']watch-view-count[^>]+>\s*([\d,\s]+)', video_webpage,
2248                 'view count', default=None))
2249
2250         average_rating = (
2251             float_or_none(video_details.get('averageRating'))
2252             or try_get(video_info, lambda x: float_or_none(x['avg_rating'][0])))
2253
2254         # subtitles
2255         video_subtitles = self.extract_subtitles(video_id, video_webpage)
2256         automatic_captions = self.extract_automatic_captions(video_id, video_webpage)
2257
2258         video_duration = try_get(
2259             video_info, lambda x: int_or_none(x['length_seconds'][0]))
2260         if not video_duration:
2261             video_duration = int_or_none(video_details.get('lengthSeconds'))
2262         if not video_duration:
2263             video_duration = parse_duration(self._html_search_meta(
2264                 'duration', video_webpage, 'video duration'))
2265
2266         # annotations
2267         video_annotations = None
2268         if self._downloader.params.get('writeannotations', False):
2269             xsrf_token = self._search_regex(
2270                 r'([\'"])XSRF_TOKEN\1\s*:\s*([\'"])(?P<xsrf_token>[A-Za-z0-9+/=]+)\2',
2271                 video_webpage, 'xsrf token', group='xsrf_token', fatal=False)
2272             invideo_url = try_get(
2273                 player_response, lambda x: x['annotations'][0]['playerAnnotationsUrlsRenderer']['invideoUrl'], compat_str)
2274             if xsrf_token and invideo_url:
2275                 xsrf_field_name = self._search_regex(
2276                     r'([\'"])XSRF_FIELD_NAME\1\s*:\s*([\'"])(?P<xsrf_field_name>\w+)\2',
2277                     video_webpage, 'xsrf field name',
2278                     group='xsrf_field_name', default='session_token')
2279                 video_annotations = self._download_webpage(
2280                     self._proto_relative_url(invideo_url),
2281                     video_id, note='Downloading annotations',
2282                     errnote='Unable to download video annotations', fatal=False,
2283                     data=urlencode_postdata({xsrf_field_name: xsrf_token}))
2284
2285         chapters = self._extract_chapters(description_original, video_duration)
2286
2287         # Look for the DASH manifest
2288         if self._downloader.params.get('youtube_include_dash_manifest', True):
2289             dash_mpd_fatal = True
2290             for mpd_url in dash_mpds:
2291                 dash_formats = {}
2292                 try:
2293                     def decrypt_sig(mobj):
2294                         s = mobj.group(1)
2295                         dec_s = self._decrypt_signature(s, video_id, player_url, age_gate)
2296                         return '/signature/%s' % dec_s
2297
2298                     mpd_url = re.sub(r'/s/([a-fA-F0-9\.]+)', decrypt_sig, mpd_url)
2299
2300                     for df in self._extract_mpd_formats(
2301                             mpd_url, video_id, fatal=dash_mpd_fatal,
2302                             formats_dict=self._formats):
2303                         if not df.get('filesize'):
2304                             df['filesize'] = _extract_filesize(df['url'])
2305                         # Do not overwrite DASH format found in some previous DASH manifest
2306                         if df['format_id'] not in dash_formats:
2307                             dash_formats[df['format_id']] = df
2308                         # Additional DASH manifests may end up in HTTP Error 403 therefore
2309                         # allow them to fail without bug report message if we already have
2310                         # some DASH manifest succeeded. This is temporary workaround to reduce
2311                         # burst of bug reports until we figure out the reason and whether it
2312                         # can be fixed at all.
2313                         dash_mpd_fatal = False
2314                 except (ExtractorError, KeyError) as e:
2315                     self.report_warning(
2316                         'Skipping DASH manifest: %r' % e, video_id)
2317                 if dash_formats:
2318                     # Remove the formats we found through non-DASH, they
2319                     # contain less info and it can be wrong, because we use
2320                     # fixed values (for example the resolution). See
2321                     # https://github.com/ytdl-org/youtube-dl/issues/5774 for an
2322                     # example.
2323                     formats = [f for f in formats if f['format_id'] not in dash_formats.keys()]
2324                     formats.extend(dash_formats.values())
2325
2326         # Check for malformed aspect ratio
2327         stretched_m = re.search(
2328             r'<meta\s+property="og:video:tag".*?content="yt:stretch=(?P<w>[0-9]+):(?P<h>[0-9]+)">',
2329             video_webpage)
2330         if stretched_m:
2331             w = float(stretched_m.group('w'))
2332             h = float(stretched_m.group('h'))
2333             # yt:stretch may hold invalid ratio data (e.g. for Q39EVAstoRM ratio is 17:0).
2334             # We will only process correct ratios.
2335             if w > 0 and h > 0:
2336                 ratio = w / h
2337                 for f in formats:
2338                     if f.get('vcodec') != 'none':
2339                         f['stretched_ratio'] = ratio
2340
2341         if not formats:
2342             token = extract_token(video_info)
2343             if not token:
2344                 if 'reason' in video_info:
2345                     if 'The uploader has not made this video available in your country.' in video_info['reason']:
2346                         regions_allowed = self._html_search_meta(
2347                             'regionsAllowed', video_webpage, default=None)
2348                         countries = regions_allowed.split(',') if regions_allowed else None
2349                         self.raise_geo_restricted(
2350                             msg=video_info['reason'][0], countries=countries)
2351                     reason = video_info['reason'][0]
2352                     if 'Invalid parameters' in reason:
2353                         unavailable_message = extract_unavailable_message()
2354                         if unavailable_message:
2355                             reason = unavailable_message
2356                     raise ExtractorError(
2357                         'YouTube said: %s' % reason,
2358                         expected=True, video_id=video_id)
2359                 else:
2360                     raise ExtractorError(
2361                         '"token" parameter not in video info for unknown reason',
2362                         video_id=video_id)
2363
2364         if not formats and (video_info.get('license_info') or try_get(player_response, lambda x: x['streamingData']['licenseInfos'])):
2365             raise ExtractorError('This video is DRM protected.', expected=True)
2366
2367         self._sort_formats(formats)
2368
2369         self.mark_watched(video_id, video_info, player_response)
2370
2371         return {
2372             'id': video_id,
2373             'uploader': video_uploader,
2374             'uploader_id': video_uploader_id,
2375             'uploader_url': video_uploader_url,
2376             'channel_id': channel_id,
2377             'channel_url': channel_url,
2378             'upload_date': upload_date,
2379             'license': video_license,
2380             'creator': video_creator or artist,
2381             'title': video_title,
2382             'alt_title': video_alt_title or track,
2383             'thumbnail': video_thumbnail,
2384             'description': video_description,
2385             'categories': video_categories,
2386             'tags': video_tags,
2387             'subtitles': video_subtitles,
2388             'automatic_captions': automatic_captions,
2389             'duration': video_duration,
2390             'age_limit': 18 if age_gate else 0,
2391             'annotations': video_annotations,
2392             'chapters': chapters,
2393             'webpage_url': proto + '://www.youtube.com/watch?v=%s' % video_id,
2394             'view_count': view_count,
2395             'like_count': like_count,
2396             'dislike_count': dislike_count,
2397             'average_rating': average_rating,
2398             'formats': formats,
2399             'is_live': is_live,
2400             'start_time': start_time,
2401             'end_time': end_time,
2402             'series': series,
2403             'season_number': season_number,
2404             'episode_number': episode_number,
2405             'track': track,
2406             'artist': artist,
2407             'album': album,
2408             'release_date': release_date,
2409             'release_year': release_year,
2410         }
2411
2412
2413 class YoutubePlaylistIE(YoutubePlaylistBaseInfoExtractor):
2414     IE_DESC = 'YouTube.com playlists'
2415     _VALID_URL = r"""(?x)(?:
2416                         (?:https?://)?
2417                         (?:\w+\.)?
2418                         (?:
2419                             (?:
2420                                 youtube\.com|
2421                                 invidio\.us
2422                             )
2423                             /
2424                             (?:
2425                                (?:course|view_play_list|my_playlists|artist|playlist|watch|embed/(?:videoseries|[0-9A-Za-z_-]{11}))
2426                                \? (?:.*?[&;])*? (?:p|a|list)=
2427                             |  p/
2428                             )|
2429                             youtu\.be/[0-9A-Za-z_-]{11}\?.*?\blist=
2430                         )
2431                         (
2432                             (?:PL|LL|EC|UU|FL|RD|UL|TL|OLAK5uy_)?[0-9A-Za-z-_]{10,}
2433                             # Top tracks, they can also include dots
2434                             |(?:MC)[\w\.]*
2435                         )
2436                         .*
2437                      |
2438                         (%(playlist_id)s)
2439                      )""" % {'playlist_id': YoutubeBaseInfoExtractor._PLAYLIST_ID_RE}
2440     _TEMPLATE_URL = 'https://www.youtube.com/playlist?list=%s'
2441     _VIDEO_RE = r'href="\s*/watch\?v=(?P<id>[0-9A-Za-z_-]{11})(?:&amp;(?:[^"]*?index=(?P<index>\d+))?(?:[^>]+>(?P<title>[^<]+))?)?'
2442     IE_NAME = 'youtube:playlist'
2443     _TESTS = [{
2444         'url': 'https://www.youtube.com/playlist?list=PLwiyx1dc3P2JR9N8gQaQN_BCvlSlap7re',
2445         'info_dict': {
2446             'title': 'ytdl test PL',
2447             'id': 'PLwiyx1dc3P2JR9N8gQaQN_BCvlSlap7re',
2448         },
2449         'playlist_count': 3,
2450     }, {
2451         'url': 'https://www.youtube.com/playlist?list=PLtPgu7CB4gbZDA7i_euNxn75ISqxwZPYx',
2452         'info_dict': {
2453             'id': 'PLtPgu7CB4gbZDA7i_euNxn75ISqxwZPYx',
2454             'title': 'YDL_Empty_List',
2455         },
2456         'playlist_count': 0,
2457         'skip': 'This playlist is private',
2458     }, {
2459         'note': 'Playlist with deleted videos (#651). As a bonus, the video #51 is also twice in this list.',
2460         'url': 'https://www.youtube.com/playlist?list=PLwP_SiAcdui0KVebT0mU9Apz359a4ubsC',
2461         'info_dict': {
2462             'title': '29C3: Not my department',
2463             'id': 'PLwP_SiAcdui0KVebT0mU9Apz359a4ubsC',
2464             'uploader': 'Christiaan008',
2465             'uploader_id': 'ChRiStIaAn008',
2466         },
2467         'playlist_count': 95,
2468     }, {
2469         'note': 'issue #673',
2470         'url': 'PLBB231211A4F62143',
2471         'info_dict': {
2472             'title': '[OLD]Team Fortress 2 (Class-based LP)',
2473             'id': 'PLBB231211A4F62143',
2474             'uploader': 'Wickydoo',
2475             'uploader_id': 'Wickydoo',
2476         },
2477         'playlist_mincount': 26,
2478     }, {
2479         'note': 'Large playlist',
2480         'url': 'https://www.youtube.com/playlist?list=UUBABnxM4Ar9ten8Mdjj1j0Q',
2481         'info_dict': {
2482             'title': 'Uploads from Cauchemar',
2483             'id': 'UUBABnxM4Ar9ten8Mdjj1j0Q',
2484             'uploader': 'Cauchemar',
2485             'uploader_id': 'Cauchemar89',
2486         },
2487         'playlist_mincount': 799,
2488     }, {
2489         'url': 'PLtPgu7CB4gbY9oDN3drwC3cMbJggS7dKl',
2490         'info_dict': {
2491             'title': 'YDL_safe_search',
2492             'id': 'PLtPgu7CB4gbY9oDN3drwC3cMbJggS7dKl',
2493         },
2494         'playlist_count': 2,
2495         'skip': 'This playlist is private',
2496     }, {
2497         'note': 'embedded',
2498         'url': 'https://www.youtube.com/embed/videoseries?list=PL6IaIsEjSbf96XFRuNccS_RuEXwNdsoEu',
2499         'playlist_count': 4,
2500         'info_dict': {
2501             'title': 'JODA15',
2502             'id': 'PL6IaIsEjSbf96XFRuNccS_RuEXwNdsoEu',
2503             'uploader': 'milan',
2504             'uploader_id': 'UCEI1-PVPcYXjB73Hfelbmaw',
2505         }
2506     }, {
2507         'url': 'http://www.youtube.com/embed/_xDOZElKyNU?list=PLsyOSbh5bs16vubvKePAQ1x3PhKavfBIl',
2508         'playlist_mincount': 485,
2509         'info_dict': {
2510             'title': '2018 Chinese New Singles (11/6 updated)',
2511             'id': 'PLsyOSbh5bs16vubvKePAQ1x3PhKavfBIl',
2512             'uploader': 'LBK',
2513             'uploader_id': 'sdragonfang',
2514         }
2515     }, {
2516         'note': 'Embedded SWF player',
2517         'url': 'https://www.youtube.com/p/YN5VISEtHet5D4NEvfTd0zcgFk84NqFZ?hl=en_US&fs=1&rel=0',
2518         'playlist_count': 4,
2519         'info_dict': {
2520             'title': 'JODA7',
2521             'id': 'YN5VISEtHet5D4NEvfTd0zcgFk84NqFZ',
2522         },
2523         'skip': 'This playlist does not exist',
2524     }, {
2525         'note': 'Buggy playlist: the webpage has a "Load more" button but it doesn\'t have more videos',
2526         'url': 'https://www.youtube.com/playlist?list=UUXw-G3eDE9trcvY2sBMM_aA',
2527         'info_dict': {
2528             'title': 'Uploads from Interstellar Movie',
2529             'id': 'UUXw-G3eDE9trcvY2sBMM_aA',
2530             'uploader': 'Interstellar Movie',
2531             'uploader_id': 'InterstellarMovie1',
2532         },
2533         'playlist_mincount': 21,
2534     }, {
2535         # Playlist URL that does not actually serve a playlist
2536         'url': 'https://www.youtube.com/watch?v=FqZTN594JQw&list=PLMYEtVRpaqY00V9W81Cwmzp6N6vZqfUKD4',
2537         'info_dict': {
2538             'id': 'FqZTN594JQw',
2539             'ext': 'webm',
2540             'title': "Smiley's People 01 detective, Adventure Series, Action",
2541             'uploader': 'STREEM',
2542             'uploader_id': 'UCyPhqAZgwYWZfxElWVbVJng',
2543             'uploader_url': r're:https?://(?:www\.)?youtube\.com/channel/UCyPhqAZgwYWZfxElWVbVJng',
2544             'upload_date': '20150526',
2545             'license': 'Standard YouTube License',
2546             'description': 'md5:507cdcb5a49ac0da37a920ece610be80',
2547             'categories': ['People & Blogs'],
2548             'tags': list,
2549             'view_count': int,
2550             'like_count': int,
2551             'dislike_count': int,
2552         },
2553         'params': {
2554             'skip_download': True,
2555         },
2556         'skip': 'This video is not available.',
2557         'add_ie': [YoutubeIE.ie_key()],
2558     }, {
2559         'url': 'https://youtu.be/yeWKywCrFtk?list=PL2qgrgXsNUG5ig9cat4ohreBjYLAPC0J5',
2560         'info_dict': {
2561             'id': 'yeWKywCrFtk',
2562             'ext': 'mp4',
2563             'title': 'Small Scale Baler and Braiding Rugs',
2564             'uploader': 'Backus-Page House Museum',
2565             'uploader_id': 'backuspagemuseum',
2566             'uploader_url': r're:https?://(?:www\.)?youtube\.com/user/backuspagemuseum',
2567             'upload_date': '20161008',
2568             'description': 'md5:800c0c78d5eb128500bffd4f0b4f2e8a',
2569             'categories': ['Nonprofits & Activism'],
2570             'tags': list,
2571             'like_count': int,
2572             'dislike_count': int,
2573         },
2574         'params': {
2575             'noplaylist': True,
2576             'skip_download': True,
2577         },
2578     }, {
2579         # https://github.com/ytdl-org/youtube-dl/issues/21844
2580         'url': 'https://www.youtube.com/playlist?list=PLzH6n4zXuckpfMu_4Ff8E7Z1behQks5ba',
2581         'info_dict': {
2582             'title': 'Data Analysis with Dr Mike Pound',
2583             'id': 'PLzH6n4zXuckpfMu_4Ff8E7Z1behQks5ba',
2584             'uploader_id': 'Computerphile',
2585             'uploader': 'Computerphile',
2586         },
2587         'playlist_mincount': 11,
2588     }, {
2589         'url': 'https://youtu.be/uWyaPkt-VOI?list=PL9D9FC436B881BA21',
2590         'only_matching': True,
2591     }, {
2592         'url': 'TLGGrESM50VT6acwMjAyMjAxNw',
2593         'only_matching': True,
2594     }, {
2595         # music album playlist
2596         'url': 'OLAK5uy_m4xAFdmMC5rX3Ji3g93pQe3hqLZw_9LhM',
2597         'only_matching': True,
2598     }, {
2599         'url': 'https://invidio.us/playlist?list=PLDIoUOhQQPlXr63I_vwF9GD8sAKh77dWU',
2600         'only_matching': True,
2601     }]
2602
2603     def _real_initialize(self):
2604         self._login()
2605
2606     def _extract_mix(self, playlist_id):
2607         # The mixes are generated from a single video
2608         # the id of the playlist is just 'RD' + video_id
2609         ids = []
2610         last_id = playlist_id[-11:]
2611         for n in itertools.count(1):
2612             url = 'https://youtube.com/watch?v=%s&list=%s' % (last_id, playlist_id)
2613             webpage = self._download_webpage(
2614                 url, playlist_id, 'Downloading page {0} of Youtube mix'.format(n))
2615             new_ids = orderedSet(re.findall(
2616                 r'''(?xs)data-video-username=".*?".*?
2617                            href="/watch\?v=([0-9A-Za-z_-]{11})&amp;[^"]*?list=%s''' % re.escape(playlist_id),
2618                 webpage))
2619             # Fetch new pages until all the videos are repeated, it seems that
2620             # there are always 51 unique videos.
2621             new_ids = [_id for _id in new_ids if _id not in ids]
2622             if not new_ids:
2623                 break
2624             ids.extend(new_ids)
2625             last_id = ids[-1]
2626
2627         url_results = self._ids_to_results(ids)
2628
2629         search_title = lambda class_name: get_element_by_attribute('class', class_name, webpage)
2630         title_span = (
2631             search_title('playlist-title')
2632             or search_title('title long-title')
2633             or search_title('title'))
2634         title = clean_html(title_span)
2635
2636         return self.playlist_result(url_results, playlist_id, title)
2637
2638     def _extract_playlist(self, playlist_id):
2639         url = self._TEMPLATE_URL % playlist_id
2640         page = self._download_webpage(url, playlist_id)
2641
2642         # the yt-alert-message now has tabindex attribute (see https://github.com/ytdl-org/youtube-dl/issues/11604)
2643         for match in re.findall(r'<div class="yt-alert-message"[^>]*>([^<]+)</div>', page):
2644             match = match.strip()
2645             # Check if the playlist exists or is private
2646             mobj = re.match(r'[^<]*(?:The|This) playlist (?P<reason>does not exist|is private)[^<]*', match)
2647             if mobj:
2648                 reason = mobj.group('reason')
2649                 message = 'This playlist %s' % reason
2650                 if 'private' in reason:
2651                     message += ', use --username or --netrc to access it'
2652                 message += '.'
2653                 raise ExtractorError(message, expected=True)
2654             elif re.match(r'[^<]*Invalid parameters[^<]*', match):
2655                 raise ExtractorError(
2656                     'Invalid parameters. Maybe URL is incorrect.',
2657                     expected=True)
2658             elif re.match(r'[^<]*Choose your language[^<]*', match):
2659                 continue
2660             else:
2661                 self.report_warning('Youtube gives an alert message: ' + match)
2662
2663         playlist_title = self._html_search_regex(
2664             r'(?s)<h1 class="pl-header-title[^"]*"[^>]*>\s*(.*?)\s*</h1>',
2665             page, 'title', default=None)
2666
2667         _UPLOADER_BASE = r'class=["\']pl-header-details[^>]+>\s*<li>\s*<a[^>]+\bhref='
2668         uploader = self._search_regex(
2669             r'%s["\']/(?:user|channel)/[^>]+>([^<]+)' % _UPLOADER_BASE,
2670             page, 'uploader', default=None)
2671         mobj = re.search(
2672             r'%s(["\'])(?P<path>/(?:user|channel)/(?P<uploader_id>.+?))\1' % _UPLOADER_BASE,
2673             page)
2674         if mobj:
2675             uploader_id = mobj.group('uploader_id')
2676             uploader_url = compat_urlparse.urljoin(url, mobj.group('path'))
2677         else:
2678             uploader_id = uploader_url = None
2679
2680         has_videos = True
2681
2682         if not playlist_title:
2683             try:
2684                 # Some playlist URLs don't actually serve a playlist (e.g.
2685                 # https://www.youtube.com/watch?v=FqZTN594JQw&list=PLMYEtVRpaqY00V9W81Cwmzp6N6vZqfUKD4)
2686                 next(self._entries(page, playlist_id))
2687             except StopIteration:
2688                 has_videos = False
2689
2690         playlist = self.playlist_result(
2691             self._entries(page, playlist_id), playlist_id, playlist_title)
2692         playlist.update({
2693             'uploader': uploader,
2694             'uploader_id': uploader_id,
2695             'uploader_url': uploader_url,
2696         })
2697
2698         return has_videos, playlist
2699
2700     def _check_download_just_video(self, url, playlist_id):
2701         # Check if it's a video-specific URL
2702         query_dict = compat_urlparse.parse_qs(compat_urlparse.urlparse(url).query)
2703         video_id = query_dict.get('v', [None])[0] or self._search_regex(
2704             r'(?:(?:^|//)youtu\.be/|youtube\.com/embed/(?!videoseries))([0-9A-Za-z_-]{11})', url,
2705             'video id', default=None)
2706         if video_id:
2707             if self._downloader.params.get('noplaylist'):
2708                 self.to_screen('Downloading just video %s because of --no-playlist' % video_id)
2709                 return video_id, self.url_result(video_id, 'Youtube', video_id=video_id)
2710             else:
2711                 self.to_screen('Downloading playlist %s - add --no-playlist to just download video %s' % (playlist_id, video_id))
2712                 return video_id, None
2713         return None, None
2714
2715     def _real_extract(self, url):
2716         # Extract playlist id
2717         mobj = re.match(self._VALID_URL, url)
2718         if mobj is None:
2719             raise ExtractorError('Invalid URL: %s' % url)
2720         playlist_id = mobj.group(1) or mobj.group(2)
2721
2722         video_id, video = self._check_download_just_video(url, playlist_id)
2723         if video:
2724             return video
2725
2726         if playlist_id.startswith(('RD', 'UL', 'PU')):
2727             # Mixes require a custom extraction process
2728             return self._extract_mix(playlist_id)
2729
2730         has_videos, playlist = self._extract_playlist(playlist_id)
2731         if has_videos or not video_id:
2732             return playlist
2733
2734         # Some playlist URLs don't actually serve a playlist (see
2735         # https://github.com/ytdl-org/youtube-dl/issues/10537).
2736         # Fallback to plain video extraction if there is a video id
2737         # along with playlist id.
2738         return self.url_result(video_id, 'Youtube', video_id=video_id)
2739
2740
2741 class YoutubeChannelIE(YoutubePlaylistBaseInfoExtractor):
2742     IE_DESC = 'YouTube.com channels'
2743     _VALID_URL = r'https?://(?:youtu\.be|(?:\w+\.)?youtube(?:-nocookie)?\.com|(?:www\.)?invidio\.us)/channel/(?P<id>[0-9A-Za-z_-]+)'
2744     _TEMPLATE_URL = 'https://www.youtube.com/channel/%s/videos'
2745     _VIDEO_RE = r'(?:title="(?P<title>[^"]+)"[^>]+)?href="/watch\?v=(?P<id>[0-9A-Za-z_-]+)&?'
2746     IE_NAME = 'youtube:channel'
2747     _TESTS = [{
2748         'note': 'paginated channel',
2749         'url': 'https://www.youtube.com/channel/UCKfVa3S1e4PHvxWcwyMMg8w',
2750         'playlist_mincount': 91,
2751         'info_dict': {
2752             'id': 'UUKfVa3S1e4PHvxWcwyMMg8w',
2753             'title': 'Uploads from lex will',
2754             'uploader': 'lex will',
2755             'uploader_id': 'UCKfVa3S1e4PHvxWcwyMMg8w',
2756         }
2757     }, {
2758         'note': 'Age restricted channel',
2759         # from https://www.youtube.com/user/DeusExOfficial
2760         'url': 'https://www.youtube.com/channel/UCs0ifCMCm1icqRbqhUINa0w',
2761         'playlist_mincount': 64,
2762         'info_dict': {
2763             'id': 'UUs0ifCMCm1icqRbqhUINa0w',
2764             'title': 'Uploads from Deus Ex',
2765             'uploader': 'Deus Ex',
2766             'uploader_id': 'DeusExOfficial',
2767         },
2768     }, {
2769         'url': 'https://invidio.us/channel/UC23qupoDRn9YOAVzeoxjOQA',
2770         'only_matching': True,
2771     }]
2772
2773     @classmethod
2774     def suitable(cls, url):
2775         return (False if YoutubePlaylistsIE.suitable(url) or YoutubeLiveIE.suitable(url)
2776                 else super(YoutubeChannelIE, cls).suitable(url))
2777
2778     def _build_template_url(self, url, channel_id):
2779         return self._TEMPLATE_URL % channel_id
2780
2781     def _real_extract(self, url):
2782         channel_id = self._match_id(url)
2783
2784         url = self._build_template_url(url, channel_id)
2785
2786         # Channel by page listing is restricted to 35 pages of 30 items, i.e. 1050 videos total (see #5778)
2787         # Workaround by extracting as a playlist if managed to obtain channel playlist URL
2788         # otherwise fallback on channel by page extraction
2789         channel_page = self._download_webpage(
2790             url + '?view=57', channel_id,
2791             'Downloading channel page', fatal=False)
2792         if channel_page is False:
2793             channel_playlist_id = False
2794         else:
2795             channel_playlist_id = self._html_search_meta(
2796                 'channelId', channel_page, 'channel id', default=None)
2797             if not channel_playlist_id:
2798                 channel_url = self._html_search_meta(
2799                     ('al:ios:url', 'twitter:app:url:iphone', 'twitter:app:url:ipad'),
2800                     channel_page, 'channel url', default=None)
2801                 if channel_url:
2802                     channel_playlist_id = self._search_regex(
2803                         r'vnd\.youtube://user/([0-9A-Za-z_-]+)',
2804                         channel_url, 'channel id', default=None)
2805         if channel_playlist_id and channel_playlist_id.startswith('UC'):
2806             playlist_id = 'UU' + channel_playlist_id[2:]
2807             return self.url_result(
2808                 compat_urlparse.urljoin(url, '/playlist?list=%s' % playlist_id), 'YoutubePlaylist')
2809
2810         channel_page = self._download_webpage(url, channel_id, 'Downloading page #1')
2811         autogenerated = re.search(r'''(?x)
2812                 class="[^"]*?(?:
2813                     channel-header-autogenerated-label|
2814                     yt-channel-title-autogenerated
2815                 )[^"]*"''', channel_page) is not None
2816
2817         if autogenerated:
2818             # The videos are contained in a single page
2819             # the ajax pages can't be used, they are empty
2820             entries = [
2821                 self.url_result(
2822                     video_id, 'Youtube', video_id=video_id,
2823                     video_title=video_title)
2824                 for video_id, video_title in self.extract_videos_from_page(channel_page)]
2825             return self.playlist_result(entries, channel_id)
2826
2827         try:
2828             next(self._entries(channel_page, channel_id))
2829         except StopIteration:
2830             alert_message = self._html_search_regex(
2831                 r'(?s)<div[^>]+class=(["\']).*?\byt-alert-message\b.*?\1[^>]*>(?P<alert>[^<]+)</div>',
2832                 channel_page, 'alert', default=None, group='alert')
2833             if alert_message:
2834                 raise ExtractorError('Youtube said: %s' % alert_message, expected=True)
2835
2836         return self.playlist_result(self._entries(channel_page, channel_id), channel_id)
2837
2838
2839 class YoutubeUserIE(YoutubeChannelIE):
2840     IE_DESC = 'YouTube.com user videos (URL or "ytuser" keyword)'
2841     _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_-]+)'
2842     _TEMPLATE_URL = 'https://www.youtube.com/%s/%s/videos'
2843     IE_NAME = 'youtube:user'
2844
2845     _TESTS = [{
2846         'url': 'https://www.youtube.com/user/TheLinuxFoundation',
2847         'playlist_mincount': 320,
2848         'info_dict': {
2849             'id': 'UUfX55Sx5hEFjoC3cNs6mCUQ',
2850             'title': 'Uploads from The Linux Foundation',
2851             'uploader': 'The Linux Foundation',
2852             'uploader_id': 'TheLinuxFoundation',
2853         }
2854     }, {
2855         # Only available via https://www.youtube.com/c/12minuteathlete/videos
2856         # but not https://www.youtube.com/user/12minuteathlete/videos
2857         'url': 'https://www.youtube.com/c/12minuteathlete/videos',
2858         'playlist_mincount': 249,
2859         'info_dict': {
2860             'id': 'UUVjM-zV6_opMDx7WYxnjZiQ',
2861             'title': 'Uploads from 12 Minute Athlete',
2862             'uploader': '12 Minute Athlete',
2863             'uploader_id': 'the12minuteathlete',
2864         }
2865     }, {
2866         'url': 'ytuser:phihag',
2867         'only_matching': True,
2868     }, {
2869         'url': 'https://www.youtube.com/c/gametrailers',
2870         'only_matching': True,
2871     }, {
2872         'url': 'https://www.youtube.com/gametrailers',
2873         'only_matching': True,
2874     }, {
2875         # This channel is not available, geo restricted to JP
2876         'url': 'https://www.youtube.com/user/kananishinoSMEJ/videos',
2877         'only_matching': True,
2878     }]
2879
2880     @classmethod
2881     def suitable(cls, url):
2882         # Don't return True if the url can be extracted with other youtube
2883         # extractor, the regex would is too permissive and it would match.
2884         other_yt_ies = iter(klass for (name, klass) in globals().items() if name.startswith('Youtube') and name.endswith('IE') and klass is not cls)
2885         if any(ie.suitable(url) for ie in other_yt_ies):
2886             return False
2887         else:
2888             return super(YoutubeUserIE, cls).suitable(url)
2889
2890     def _build_template_url(self, url, channel_id):
2891         mobj = re.match(self._VALID_URL, url)
2892         return self._TEMPLATE_URL % (mobj.group('user') or 'user', mobj.group('id'))
2893
2894
2895 class YoutubeLiveIE(YoutubeBaseInfoExtractor):
2896     IE_DESC = 'YouTube.com live streams'
2897     _VALID_URL = r'(?P<base_url>https?://(?:\w+\.)?youtube\.com/(?:(?:user|channel|c)/)?(?P<id>[^/]+))/live'
2898     IE_NAME = 'youtube:live'
2899
2900     _TESTS = [{
2901         'url': 'https://www.youtube.com/user/TheYoungTurks/live',
2902         'info_dict': {
2903             'id': 'a48o2S1cPoo',
2904             'ext': 'mp4',
2905             'title': 'The Young Turks - Live Main Show',
2906             'uploader': 'The Young Turks',
2907             'uploader_id': 'TheYoungTurks',
2908             'uploader_url': r're:https?://(?:www\.)?youtube\.com/user/TheYoungTurks',
2909             'upload_date': '20150715',
2910             'license': 'Standard YouTube License',
2911             'description': 'md5:438179573adcdff3c97ebb1ee632b891',
2912             'categories': ['News & Politics'],
2913             'tags': ['Cenk Uygur (TV Program Creator)', 'The Young Turks (Award-Winning Work)', 'Talk Show (TV Genre)'],
2914             'like_count': int,
2915             'dislike_count': int,
2916         },
2917         'params': {
2918             'skip_download': True,
2919         },
2920     }, {
2921         'url': 'https://www.youtube.com/channel/UC1yBKRuGpC1tSM73A0ZjYjQ/live',
2922         'only_matching': True,
2923     }, {
2924         'url': 'https://www.youtube.com/c/CommanderVideoHq/live',
2925         'only_matching': True,
2926     }, {
2927         'url': 'https://www.youtube.com/TheYoungTurks/live',
2928         'only_matching': True,
2929     }]
2930
2931     def _real_extract(self, url):
2932         mobj = re.match(self._VALID_URL, url)
2933         channel_id = mobj.group('id')
2934         base_url = mobj.group('base_url')
2935         webpage = self._download_webpage(url, channel_id, fatal=False)
2936         if webpage:
2937             page_type = self._og_search_property(
2938                 'type', webpage, 'page type', default='')
2939             video_id = self._html_search_meta(
2940                 'videoId', webpage, 'video id', default=None)
2941             if page_type.startswith('video') and video_id and re.match(
2942                     r'^[0-9A-Za-z_-]{11}$', video_id):
2943                 return self.url_result(video_id, YoutubeIE.ie_key())
2944         return self.url_result(base_url)
2945
2946
2947 class YoutubePlaylistsIE(YoutubePlaylistsBaseInfoExtractor):
2948     IE_DESC = 'YouTube.com user/channel playlists'
2949     _VALID_URL = r'https?://(?:\w+\.)?youtube\.com/(?:user|channel)/(?P<id>[^/]+)/playlists'
2950     IE_NAME = 'youtube:playlists'
2951
2952     _TESTS = [{
2953         'url': 'https://www.youtube.com/user/ThirstForScience/playlists',
2954         'playlist_mincount': 4,
2955         'info_dict': {
2956             'id': 'ThirstForScience',
2957             'title': 'ThirstForScience',
2958         },
2959     }, {
2960         # with "Load more" button
2961         'url': 'https://www.youtube.com/user/igorkle1/playlists?view=1&sort=dd',
2962         'playlist_mincount': 70,
2963         'info_dict': {
2964             'id': 'igorkle1',
2965             'title': 'Игорь Клейнер',
2966         },
2967     }, {
2968         'url': 'https://www.youtube.com/channel/UCiU1dHvZObB2iP6xkJ__Icw/playlists',
2969         'playlist_mincount': 17,
2970         'info_dict': {
2971             'id': 'UCiU1dHvZObB2iP6xkJ__Icw',
2972             'title': 'Chem Player',
2973         },
2974         'skip': 'Blocked',
2975     }]
2976
2977
2978 class YoutubeSearchBaseInfoExtractor(YoutubePlaylistBaseInfoExtractor):
2979     _VIDEO_RE = r'href="\s*/watch\?v=(?P<id>[0-9A-Za-z_-]{11})(?:[^"]*"[^>]+\btitle="(?P<title>[^"]+))?'
2980
2981
2982 class YoutubeSearchIE(SearchInfoExtractor, YoutubeSearchBaseInfoExtractor):
2983     IE_DESC = 'YouTube.com searches'
2984     # there doesn't appear to be a real limit, for example if you search for
2985     # 'python' you get more than 8.000.000 results
2986     _MAX_RESULTS = float('inf')
2987     IE_NAME = 'youtube:search'
2988     _SEARCH_KEY = 'ytsearch'
2989     _EXTRA_QUERY_ARGS = {}
2990     _TESTS = []
2991
2992     def _get_n_results(self, query, n):
2993         """Get a specified number of results for a query"""
2994
2995         videos = []
2996         limit = n
2997
2998         url_query = {
2999             'search_query': query.encode('utf-8'),
3000         }
3001         url_query.update(self._EXTRA_QUERY_ARGS)
3002         result_url = 'https://www.youtube.com/results?' + compat_urllib_parse_urlencode(url_query)
3003
3004         for pagenum in itertools.count(1):
3005             data = self._download_json(
3006                 result_url, video_id='query "%s"' % query,
3007                 note='Downloading page %s' % pagenum,
3008                 errnote='Unable to download API page',
3009                 query={'spf': 'navigate'})
3010             html_content = data[1]['body']['content']
3011
3012             if 'class="search-message' in html_content:
3013                 raise ExtractorError(
3014                     '[youtube] No video results', expected=True)
3015
3016             new_videos = list(self._process_page(html_content))
3017             videos += new_videos
3018             if not new_videos or len(videos) > limit:
3019                 break
3020             next_link = self._html_search_regex(
3021                 r'href="(/results\?[^"]*\bsp=[^"]+)"[^>]*>\s*<span[^>]+class="[^"]*\byt-uix-button-content\b[^"]*"[^>]*>Next',
3022                 html_content, 'next link', default=None)
3023             if next_link is None:
3024                 break
3025             result_url = compat_urlparse.urljoin('https://www.youtube.com/', next_link)
3026
3027         if len(videos) > n:
3028             videos = videos[:n]
3029         return self.playlist_result(videos, query)
3030
3031
3032 class YoutubeSearchDateIE(YoutubeSearchIE):
3033     IE_NAME = YoutubeSearchIE.IE_NAME + ':date'
3034     _SEARCH_KEY = 'ytsearchdate'
3035     IE_DESC = 'YouTube.com searches, newest videos first'
3036     _EXTRA_QUERY_ARGS = {'search_sort': 'video_date_uploaded'}
3037
3038
3039 class YoutubeSearchURLIE(YoutubeSearchBaseInfoExtractor):
3040     IE_DESC = 'YouTube.com search URLs'
3041     IE_NAME = 'youtube:search_url'
3042     _VALID_URL = r'https?://(?:www\.)?youtube\.com/results\?(.*?&)?(?:search_query|q)=(?P<query>[^&]+)(?:[&]|$)'
3043     _TESTS = [{
3044         'url': 'https://www.youtube.com/results?baz=bar&search_query=youtube-dl+test+video&filters=video&lclk=video',
3045         'playlist_mincount': 5,
3046         'info_dict': {
3047             'title': 'youtube-dl test video',
3048         }
3049     }, {
3050         'url': 'https://www.youtube.com/results?q=test&sp=EgQIBBgB',
3051         'only_matching': True,
3052     }]
3053
3054     def _real_extract(self, url):
3055         mobj = re.match(self._VALID_URL, url)
3056         query = compat_urllib_parse_unquote_plus(mobj.group('query'))
3057         webpage = self._download_webpage(url, query)
3058         return self.playlist_result(self._process_page(webpage), playlist_title=query)
3059
3060
3061 class YoutubeShowIE(YoutubePlaylistsBaseInfoExtractor):
3062     IE_DESC = 'YouTube.com (multi-season) shows'
3063     _VALID_URL = r'https?://(?:www\.)?youtube\.com/show/(?P<id>[^?#]*)'
3064     IE_NAME = 'youtube:show'
3065     _TESTS = [{
3066         'url': 'https://www.youtube.com/show/airdisasters',
3067         'playlist_mincount': 5,
3068         'info_dict': {
3069             'id': 'airdisasters',
3070             'title': 'Air Disasters',
3071         }
3072     }]
3073
3074     def _real_extract(self, url):
3075         playlist_id = self._match_id(url)
3076         return super(YoutubeShowIE, self)._real_extract(
3077             'https://www.youtube.com/show/%s/playlists' % playlist_id)
3078
3079
3080 class YoutubeFeedsInfoExtractor(YoutubeBaseInfoExtractor):
3081     """
3082     Base class for feed extractors
3083     Subclasses must define the _FEED_NAME and _PLAYLIST_TITLE properties.
3084     """
3085     _LOGIN_REQUIRED = True
3086
3087     @property
3088     def IE_NAME(self):
3089         return 'youtube:%s' % self._FEED_NAME
3090
3091     def _real_initialize(self):
3092         self._login()
3093
3094     def _entries(self, page):
3095         # The extraction process is the same as for playlists, but the regex
3096         # for the video ids doesn't contain an index
3097         ids = []
3098         more_widget_html = content_html = page
3099         for page_num in itertools.count(1):
3100             matches = re.findall(r'href="\s*/watch\?v=([0-9A-Za-z_-]{11})', content_html)
3101
3102             # 'recommended' feed has infinite 'load more' and each new portion spins
3103             # the same videos in (sometimes) slightly different order, so we'll check
3104             # for unicity and break when portion has no new videos
3105             new_ids = list(filter(lambda video_id: video_id not in ids, orderedSet(matches)))
3106             if not new_ids:
3107                 break
3108
3109             ids.extend(new_ids)
3110
3111             for entry in self._ids_to_results(new_ids):
3112                 yield entry
3113
3114             mobj = re.search(r'data-uix-load-more-href="/?(?P<more>[^"]+)"', more_widget_html)
3115             if not mobj:
3116                 break
3117
3118             more = self._download_json(
3119                 'https://youtube.com/%s' % mobj.group('more'), self._PLAYLIST_TITLE,
3120                 'Downloading page #%s' % page_num,
3121                 transform_source=uppercase_escape)
3122             content_html = more['content_html']
3123             more_widget_html = more['load_more_widget_html']
3124
3125     def _real_extract(self, url):
3126         page = self._download_webpage(
3127             'https://www.youtube.com/feed/%s' % self._FEED_NAME,
3128             self._PLAYLIST_TITLE)
3129         return self.playlist_result(
3130             self._entries(page), playlist_title=self._PLAYLIST_TITLE)
3131
3132
3133 class YoutubeWatchLaterIE(YoutubePlaylistIE):
3134     IE_NAME = 'youtube:watchlater'
3135     IE_DESC = 'Youtube watch later list, ":ytwatchlater" for short (requires authentication)'
3136     _VALID_URL = r'https?://(?:www\.)?youtube\.com/(?:feed/watch_later|(?:playlist|watch)\?(?:.+&)?list=WL)|:ytwatchlater'
3137
3138     _TESTS = [{
3139         'url': 'https://www.youtube.com/playlist?list=WL',
3140         'only_matching': True,
3141     }, {
3142         'url': 'https://www.youtube.com/watch?v=bCNU9TrbiRk&index=1&list=WL',
3143         'only_matching': True,
3144     }]
3145
3146     def _real_extract(self, url):
3147         _, video = self._check_download_just_video(url, 'WL')
3148         if video:
3149             return video
3150         _, playlist = self._extract_playlist('WL')
3151         return playlist
3152
3153
3154 class YoutubeFavouritesIE(YoutubeBaseInfoExtractor):
3155     IE_NAME = 'youtube:favorites'
3156     IE_DESC = 'YouTube.com favourite videos, ":ytfav" for short (requires authentication)'
3157     _VALID_URL = r'https?://(?:www\.)?youtube\.com/my_favorites|:ytfav(?:ou?rites)?'
3158     _LOGIN_REQUIRED = True
3159
3160     def _real_extract(self, url):
3161         webpage = self._download_webpage('https://www.youtube.com/my_favorites', 'Youtube Favourites videos')
3162         playlist_id = self._search_regex(r'list=(.+?)["&]', webpage, 'favourites playlist id')
3163         return self.url_result(playlist_id, 'YoutubePlaylist')
3164
3165
3166 class YoutubeRecommendedIE(YoutubeFeedsInfoExtractor):
3167     IE_DESC = 'YouTube.com recommended videos, ":ytrec" for short (requires authentication)'
3168     _VALID_URL = r'https?://(?:www\.)?youtube\.com/feed/recommended|:ytrec(?:ommended)?'
3169     _FEED_NAME = 'recommended'
3170     _PLAYLIST_TITLE = 'Youtube Recommended videos'
3171
3172
3173 class YoutubeSubscriptionsIE(YoutubeFeedsInfoExtractor):
3174     IE_DESC = 'YouTube.com subscriptions feed, "ytsubs" keyword (requires authentication)'
3175     _VALID_URL = r'https?://(?:www\.)?youtube\.com/feed/subscriptions|:ytsubs(?:criptions)?'
3176     _FEED_NAME = 'subscriptions'
3177     _PLAYLIST_TITLE = 'Youtube Subscriptions'
3178
3179
3180 class YoutubeHistoryIE(YoutubeFeedsInfoExtractor):
3181     IE_DESC = 'Youtube watch history, ":ythistory" for short (requires authentication)'
3182     _VALID_URL = r'https?://(?:www\.)?youtube\.com/feed/history|:ythistory'
3183     _FEED_NAME = 'history'
3184     _PLAYLIST_TITLE = 'Youtube History'
3185
3186
3187 class YoutubeTruncatedURLIE(InfoExtractor):
3188     IE_NAME = 'youtube:truncated_url'
3189     IE_DESC = False  # Do not list
3190     _VALID_URL = r'''(?x)
3191         (?:https?://)?
3192         (?:\w+\.)?[yY][oO][uU][tT][uU][bB][eE](?:-nocookie)?\.com/
3193         (?:watch\?(?:
3194             feature=[a-z_]+|
3195             annotation_id=annotation_[^&]+|
3196             x-yt-cl=[0-9]+|
3197             hl=[^&]*|
3198             t=[0-9]+
3199         )?
3200         |
3201             attribution_link\?a=[^&]+
3202         )
3203         $
3204     '''
3205
3206     _TESTS = [{
3207         'url': 'https://www.youtube.com/watch?annotation_id=annotation_3951667041',
3208         'only_matching': True,
3209     }, {
3210         'url': 'https://www.youtube.com/watch?',
3211         'only_matching': True,
3212     }, {
3213         'url': 'https://www.youtube.com/watch?x-yt-cl=84503534',
3214         'only_matching': True,
3215     }, {
3216         'url': 'https://www.youtube.com/watch?feature=foo',
3217         'only_matching': True,
3218     }, {
3219         'url': 'https://www.youtube.com/watch?hl=en-GB',
3220         'only_matching': True,
3221     }, {
3222         'url': 'https://www.youtube.com/watch?t=2372',
3223         'only_matching': True,
3224     }]
3225
3226     def _real_extract(self, url):
3227         raise ExtractorError(
3228             'Did you forget to quote the URL? Remember that & is a meta '
3229             'character in most shells, so you want to put the URL in quotes, '
3230             'like  youtube-dl '
3231             '"https://www.youtube.com/watch?feature=foo&v=BaW_jenozKc" '
3232             ' or simply  youtube-dl BaW_jenozKc  .',
3233             expected=True)
3234
3235
3236 class YoutubeTruncatedIDIE(InfoExtractor):
3237     IE_NAME = 'youtube:truncated_id'
3238     IE_DESC = False  # Do not list
3239     _VALID_URL = r'https?://(?:www\.)?youtube\.com/watch\?v=(?P<id>[0-9A-Za-z_-]{1,10})$'
3240
3241     _TESTS = [{
3242         'url': 'https://www.youtube.com/watch?v=N_708QY7Ob',
3243         'only_matching': True,
3244     }]
3245
3246     def _real_extract(self, url):
3247         video_id = self._match_id(url)
3248         raise ExtractorError(
3249             'Incomplete YouTube ID %s. URL %s looks truncated.' % (video_id, url),
3250             expected=True)