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

   1 # coding: utf-8
   2
   3 from __future__ import unicode_literals
   4
   5
   6 import itertools
   7 import json
   8 import os.path
   9 import random
  10 import re
  11 import time
  12 import traceback
  13
  14 from .common import InfoExtractor, SearchInfoExtractor
  15 from ..jsinterp import JSInterpreter
  16 from ..swfinterp import SWFInterpreter
  17 from ..compat import (
  18     compat_chr,
  19     compat_HTTPError,
  20     compat_kwargs,
  21     compat_parse_qs,
  22     compat_urllib_parse_unquote,
  23     compat_urllib_parse_unquote_plus,
  24     compat_urllib_parse_urlencode,
  25     compat_urllib_parse_urlparse,
  26     compat_urlparse,
  27     compat_str,
  28 )
  29 from ..utils import (
  30     bool_or_none,
  31     clean_html,
  32     error_to_compat_str,
  33     extract_attributes,
  34     ExtractorError,
  35     float_or_none,
  36     get_element_by_attribute,
  37     get_element_by_id,
  38     int_or_none,
  39     mimetype2ext,
  40     orderedSet,
  41     parse_codecs,
  42     parse_duration,
  43     remove_quotes,
  44     remove_start,
  45     smuggle_url,
  46     str_or_none,
  47     str_to_int,
  48     try_get,
  49     unescapeHTML,
  50     unified_strdate,
  51     unsmuggle_url,
  52     uppercase_escape,
  53     url_or_none,
  54     urlencode_postdata,
  55 )
  56
  57
  58 class YoutubeBaseInfoExtractor(InfoExtractor):
  59     """Provide base functions for Youtube extractors"""
  60     _LOGIN_URL = 'https://accounts.google.com/ServiceLogin'
  61     _TWOFACTOR_URL = 'https://accounts.google.com/signin/challenge'
  62
  63     _LOOKUP_URL = 'https://accounts.google.com/_/signin/sl/lookup'
  64     _CHALLENGE_URL = 'https://accounts.google.com/_/signin/sl/challenge'
  65     _TFA_URL = 'https://accounts.google.com/_/signin/challenge?hl=en&TL={0}'
  66
  67     _NETRC_MACHINE = 'youtube'
  68     # If True it will raise an error if no login info is provided
  69     _LOGIN_REQUIRED = False
  70
  71     _PLAYLIST_ID_RE = r'(?:PL|LL|EC|UU|FL|RD|UL|TL|PU|OLAK5uy_)[0-9A-Za-z-_]{10,}'
  72
  73     def _set_language(self):
  74         self._set_cookie(
  75             '.youtube.com', 'PREF', 'f1=50000000&hl=en',
  76             # YouTube sets the expire time to about two months
  77             expire_time=time.time() + 2 * 30 * 24 * 3600)
  78
  79     def _ids_to_results(self, ids):
  80         return [
  81             self.url_result(vid_id, 'Youtube', video_id=vid_id)
  82             for vid_id in ids]
  83
  84     def _login(self):
  85         """
  86         Attempt to log in to YouTube.
  87         True is returned if successful or skipped.
  88         False is returned if login failed.
  89
  90         If _LOGIN_REQUIRED is set and no authentication was provided, an error is raised.
  91         """
  92         username, password = self._get_login_info()
  93         # No authentication to be performed
  94         if username is None:
  95             if self._LOGIN_REQUIRED and self._downloader.params.get('cookiefile') is None:
  96                 raise ExtractorError('No login info available, needed for using %s.' % self.IE_NAME, expected=True)
  97             return True
  98
  99         login_page = self._download_webpage(
 100             self._LOGIN_URL, None,
 101             note='Downloading login page',
 102             errnote='unable to fetch login page', fatal=False)
 103         if login_page is False:
 104             return
 105
 106         login_form = self._hidden_inputs(login_page)
 107
 108         def req(url, f_req, note, errnote):
 109             data = login_form.copy()
 110             data.update({
 111                 'pstMsg': 1,
 112                 'checkConnection': 'youtube',
 113                 'checkedDomains': 'youtube',
 114                 'hl': 'en',
 115                 'deviceinfo': '[null,null,null,[],null,"US",null,null,[],"GlifWebSignIn",null,[null,null,[]]]',
 116                 'f.req': json.dumps(f_req),
 117                 'flowName': 'GlifWebSignIn',
 118                 'flowEntry': 'ServiceLogin',
 119                 # TODO: reverse actual botguard identifier generation algo
 120                 'bgRequest': '["identifier",""]',
 121             })
 122             return self._download_json(
 123                 url, None, note=note, errnote=errnote,
 124                 transform_source=lambda s: re.sub(r'^[^[]*', '', s),
 125                 fatal=False,
 126                 data=urlencode_postdata(data), headers={
 127                     'Content-Type': 'application/x-www-form-urlencoded;charset=utf-8',
 128                     'Google-Accounts-XSRF': 1,
 129                 })
 130
 131         def warn(message):
 132             self._downloader.report_warning(message)
 133
 134         lookup_req = [
 135             username,
 136             None, [], None, 'US', None, None, 2, False, True,
 137             [
 138                 None, None,
 139                 [2, 1, None, 1,
 140                  'https://accounts.google.com/ServiceLogin?passive=true&continue=https%3A%2F%2Fwww.youtube.com%2Fsignin%3Fnext%3D%252F%26action_handle_signin%3Dtrue%26hl%3Den%26app%3Ddesktop%26feature%3Dsign_in_button&hl=en&service=youtube&uilel=3&requestPath=%2FServiceLogin&Page=PasswordSeparationSignIn',
 141                  None, [], 4],
 142                 1, [None, None, []], None, None, None, True
 143             ],
 144             username,
 145         ]
 146
 147         lookup_results = req(
 148             self._LOOKUP_URL, lookup_req,
 149             'Looking up account info', 'Unable to look up account info')
 150
 151         if lookup_results is False:
 152             return False
 153
 154         user_hash = try_get(lookup_results, lambda x: x[0][2], compat_str)
 155         if not user_hash:
 156             warn('Unable to extract user hash')
 157             return False
 158
 159         challenge_req = [
 160             user_hash,
 161             None, 1, None, [1, None, None, None, [password, None, True]],
 162             [
 163                 None, None, [2, 1, None, 1, 'https://accounts.google.com/ServiceLogin?passive=true&continue=https%3A%2F%2Fwww.youtube.com%2Fsignin%3Fnext%3D%252F%26action_handle_signin%3Dtrue%26hl%3Den%26app%3Ddesktop%26feature%3Dsign_in_button&hl=en&service=youtube&uilel=3&requestPath=%2FServiceLogin&Page=PasswordSeparationSignIn', None, [], 4],
 164                 1, [None, None, []], None, None, None, True
 165             ]]
 166
 167         challenge_results = req(
 168             self._CHALLENGE_URL, challenge_req,
 169             'Logging in', 'Unable to log in')
 170
 171         if challenge_results is False:
 172             return
 173
 174         login_res = try_get(challenge_results, lambda x: x[0][5], list)
 175         if login_res:
 176             login_msg = try_get(login_res, lambda x: x[5], compat_str)
 177             warn(
 178                 'Unable to login: %s' % 'Invalid password'
 179                 if login_msg == 'INCORRECT_ANSWER_ENTERED' else login_msg)
 180             return False
 181
 182         res = try_get(challenge_results, lambda x: x[0][-1], list)
 183         if not res:
 184             warn('Unable to extract result entry')
 185             return False
 186
 187         login_challenge = try_get(res, lambda x: x[0][0], list)
 188         if login_challenge:
 189             challenge_str = try_get(login_challenge, lambda x: x[2], compat_str)
 190             if challenge_str == 'TWO_STEP_VERIFICATION':
 191                 # SEND_SUCCESS - TFA code has been successfully sent to phone
 192                 # QUOTA_EXCEEDED - reached the limit of TFA codes
 193                 status = try_get(login_challenge, lambda x: x[5], compat_str)
 194                 if status == 'QUOTA_EXCEEDED':
 195                     warn('Exceeded the limit of TFA codes, try later')
 196                     return False
 197
 198                 tl = try_get(challenge_results, lambda x: x[1][2], compat_str)
 199                 if not tl:
 200                     warn('Unable to extract TL')
 201                     return False
 202
 203                 tfa_code = self._get_tfa_info('2-step verification code')
 204
 205                 if not tfa_code:
 206                     warn(
 207                         'Two-factor authentication required. Provide it either interactively or with --twofactor <code>'
 208                         '(Note that only TOTP (Google Authenticator App) codes work at this time.)')
 209                     return False
 210
 211                 tfa_code = remove_start(tfa_code, 'G-')
 212
 213                 tfa_req = [
 214                     user_hash, None, 2, None,
 215                     [
 216                         9, None, None, None, None, None, None, None,
 217                         [None, tfa_code, True, 2]
 218                     ]]
 219
 220                 tfa_results = req(
 221                     self._TFA_URL.format(tl), tfa_req,
 222                     'Submitting TFA code', 'Unable to submit TFA code')
 223
 224                 if tfa_results is False:
 225                     return False
 226
 227                 tfa_res = try_get(tfa_results, lambda x: x[0][5], list)
 228                 if tfa_res:
 229                     tfa_msg = try_get(tfa_res, lambda x: x[5], compat_str)
 230                     warn(
 231                         'Unable to finish TFA: %s' % 'Invalid TFA code'
 232                         if tfa_msg == 'INCORRECT_ANSWER_ENTERED' else tfa_msg)
 233                     return False
 234
 235                 check_cookie_url = try_get(
 236                     tfa_results, lambda x: x[0][-1][2], compat_str)
 237             else:
 238                 CHALLENGES = {
 239                     'LOGIN_CHALLENGE': "This device isn't recognized. For your security, Google wants to make sure it's really you.",
 240                     'USERNAME_RECOVERY': 'Please provide additional information to aid in the recovery process.',
 241                     'REAUTH': "There is something unusual about your activity. For your security, Google wants to make sure it's really you.",
 242                 }
 243                 challenge = CHALLENGES.get(
 244                     challenge_str,
 245                     '%s returned error %s.' % (self.IE_NAME, challenge_str))
 246                 warn('%s\nGo to https://accounts.google.com/, login and solve a challenge.' % challenge)
 247                 return False
 248         else:
 249             check_cookie_url = try_get(res, lambda x: x[2], compat_str)
 250
 251         if not check_cookie_url:
 252             warn('Unable to extract CheckCookie URL')
 253             return False
 254
 255         check_cookie_results = self._download_webpage(
 256             check_cookie_url, None, 'Checking cookie', fatal=False)
 257
 258         if check_cookie_results is False:
 259             return False
 260
 261         if 'https://myaccount.google.com/' not in check_cookie_results:
 262             warn('Unable to log in')
 263             return False
 264
 265         return True
 266
 267     def _download_webpage_handle(self, *args, **kwargs):
 268         query = kwargs.get('query', {}).copy()
 269         query['disable_polymer'] = 'true'
 270         kwargs['query'] = query
 271         return super(YoutubeBaseInfoExtractor, self)._download_webpage_handle(
 272             *args, **compat_kwargs(kwargs))
 273
 274     def _real_initialize(self):
 275         if self._downloader is None:
 276             return
 277         self._set_language()
 278         if not self._login():
 279             return
 280
 281
 282 class YoutubeEntryListBaseInfoExtractor(YoutubeBaseInfoExtractor):
 283     # Extract entries from page with "Load more" button
 284     def _entries(self, page, playlist_id):
 285         more_widget_html = content_html = page
 286         for page_num in itertools.count(1):
 287             for entry in self._process_page(content_html):
 288                 yield entry
 289
 290             mobj = re.search(r'data-uix-load-more-href="/?(?P<more>[^"]+)"', more_widget_html)
 291             if not mobj:
 292                 break
 293
 294             count = 0
 295             retries = 3
 296             while count <= retries:
 297                 try:
 298                     # Downloading page may result in intermittent 5xx HTTP error
 299                     # that is usually worked around with a retry
 300                     more = self._download_json(
 301                         'https://youtube.com/%s' % mobj.group('more'), playlist_id,
 302                         'Downloading page #%s%s'
 303                         % (page_num, ' (retry #%d)' % count if count else ''),
 304                         transform_source=uppercase_escape)
 305                     break
 306                 except ExtractorError as e:
 307                     if isinstance(e.cause, compat_HTTPError) and e.cause.code in (500, 503):
 308                         count += 1
 309                         if count <= retries:
 310                             continue
 311                     raise
 312
 313             content_html = more['content_html']
 314             if not content_html.strip():
 315                 # Some webpages show a "Load more" button but they don't
 316                 # have more videos
 317                 break
 318             more_widget_html = more['load_more_widget_html']
 319
 320
 321 class YoutubePlaylistBaseInfoExtractor(YoutubeEntryListBaseInfoExtractor):
 322     def _process_page(self, content):
 323         for video_id, video_title in self.extract_videos_from_page(content):
 324             yield self.url_result(video_id, 'Youtube', video_id, video_title)
 325
 326     def extract_videos_from_page_impl(self, video_re, page, ids_in_page, titles_in_page):
 327         for mobj in re.finditer(video_re, page):
 328             # The link with index 0 is not the first video of the playlist (not sure if still actual)
 329             if 'index' in mobj.groupdict() and mobj.group('id') == '0':
 330                 continue
 331             video_id = mobj.group('id')
 332             video_title = unescapeHTML(
 333                 mobj.group('title')) if 'title' in mobj.groupdict() else None
 334             if video_title:
 335                 video_title = video_title.strip()
 336             if video_title == '► Play all':
 337                 video_title = None
 338             try:
 339                 idx = ids_in_page.index(video_id)
 340                 if video_title and not titles_in_page[idx]:
 341                     titles_in_page[idx] = video_title
 342             except ValueError:
 343                 ids_in_page.append(video_id)
 344                 titles_in_page.append(video_title)
 345
 346     def extract_videos_from_page(self, page):
 347         ids_in_page = []
 348         titles_in_page = []
 349         self.extract_videos_from_page_impl(
 350             self._VIDEO_RE, page, ids_in_page, titles_in_page)
 351         return zip(ids_in_page, titles_in_page)
 352
 353
 354 class YoutubePlaylistsBaseInfoExtractor(YoutubeEntryListBaseInfoExtractor):
 355     def _process_page(self, content):
 356         for playlist_id in orderedSet(re.findall(
 357                 r'<h3[^>]+class="[^"]*yt-lockup-title[^"]*"[^>]*><a[^>]+href="/?playlist\?list=([0-9A-Za-z-_]{10,})"',
 358                 content)):
 359             yield self.url_result(
 360                 'https://www.youtube.com/playlist?list=%s' % playlist_id, 'YoutubePlaylist')
 361
 362     def _real_extract(self, url):
 363         playlist_id = self._match_id(url)
 364         webpage = self._download_webpage(url, playlist_id)
 365         title = self._og_search_title(webpage, fatal=False)
 366         return self.playlist_result(self._entries(webpage, playlist_id), playlist_id, title)
 367
 368
 369 class YoutubeIE(YoutubeBaseInfoExtractor):
 370     IE_DESC = 'YouTube.com'
 371     _VALID_URL = r"""(?x)^
 372                      (
 373                          (?:https?://|//)                                    # http(s):// or protocol-independent URL
 374                          (?:(?:(?:(?:\w+\.)?[yY][oO][uU][tT][uU][bB][eE](?:-nocookie|kids)?\.com/|
 375                             (?:www\.)?deturl\.com/www\.youtube\.com/|
 376                             (?:www\.)?pwnyoutube\.com/|
 377                             (?:www\.)?hooktube\.com/|
 378                             (?:www\.)?yourepeat\.com/|
 379                             tube\.majestyc\.net/|
 380                             # Invidious instances taken from https://github.com/omarroth/invidious/wiki/Invidious-Instances
 381                             (?:(?:www|dev)\.)?invidio\.us/|
 382                             (?:(?:www|no)\.)?invidiou\.sh/|
 383                             (?:(?:www|fi|de)\.)?invidious\.snopyta\.org/|
 384                             (?:www\.)?invidious\.kabi\.tk/|
 385                             (?:www\.)?invidious\.13ad\.de/|
 386                             (?:www\.)?invidious\.mastodon\.host/|
 387                             (?:www\.)?invidious\.nixnet\.xyz/|
 388                             (?:www\.)?invidious\.drycat\.fr/|
 389                             (?:www\.)?tube\.poal\.co/|
 390                             (?:www\.)?vid\.wxzm\.sx/|
 391                             (?:www\.)?yt\.elukerio\.org/|
 392                             (?:www\.)?yt\.lelux\.fi/|
 393                             (?:www\.)?kgg2m7yk5aybusll\.onion/|
 394                             (?:www\.)?qklhadlycap4cnod\.onion/|
 395                             (?:www\.)?axqzx4s6s54s32yentfqojs3x5i7faxza6xo3ehd4bzzsg2ii4fv2iid\.onion/|
 396                             (?:www\.)?c7hqkpkpemu6e7emz5b4vyz7idjgdvgaaa3dyimmeojqbgpea3xqjoid\.onion/|
 397                             (?:www\.)?fz253lmuao3strwbfbmx46yu7acac2jz27iwtorgmbqlkurlclmancad\.onion/|
 398                             (?:www\.)?invidious\.l4qlywnpwqsluw65ts7md3khrivpirse744un3x7mlskqauz5pyuzgqd\.onion/|
 399                             (?:www\.)?owxfohz4kjyv25fvlqilyxast7inivgiktls3th44jhk3ej3i7ya\.b32\.i2p/|
 400                             youtube\.googleapis\.com/)                        # the various hostnames, with wildcard subdomains
 401                          (?:.*?\#/)?                                          # handle anchor (#/) redirect urls
 402                          (?:                                                  # the various things that can precede the ID:
 403                              (?:(?:v|embed|e)/(?!videoseries))                # v/ or embed/ or e/
 404                              |(?:                                             # or the v= param in all its forms
 405                                  (?:(?:watch|movie)(?:_popup)?(?:\.php)?/?)?  # preceding watch(_popup|.php) or nothing (like /?v=xxxx)
 406                                  (?:\?|\#!?)                                  # the params delimiter ? or # or #!
 407                                  (?:.*?[&;])??                                # any other preceding param (like /?s=tuff&v=xxxx or ?s=tuff&amp;v=V36LpHqtcDY)
 408                                  v=
 409                              )
 410                          ))
 411                          |(?:
 412                             youtu\.be|                                        # just youtu.be/xxxx
 413                             vid\.plus|                                        # or vid.plus/xxxx
 414                             zwearz\.com/watch|                                # or zwearz.com/watch/xxxx
 415                          )/
 416                          |(?:www\.)?cleanvideosearch\.com/media/action/yt/watch\?videoId=
 417                          )
 418                      )?                                                       # all until now is optional -> you can pass the naked ID
 419                      ([0-9A-Za-z_-]{11})                                      # here is it! the YouTube video ID
 420                      (?!.*?\blist=
 421                         (?:
 422                             %(playlist_id)s|                                  # combined list/video URLs are handled by the playlist IE
 423                             WL                                                # WL are handled by the watch later IE
 424                         )
 425                      )
 426                      (?(1).+)?                                                # if we found the ID, everything can follow
 427                      $""" % {'playlist_id': YoutubeBaseInfoExtractor._PLAYLIST_ID_RE}
 428     _NEXT_URL_RE = r'[\?&]next_url=([^&]+)'
 429     _formats = {
 430         '5': {'ext': 'flv', 'width': 400, 'height': 240, 'acodec': 'mp3', 'abr': 64, 'vcodec': 'h263'},
 431         '6': {'ext': 'flv', 'width': 450, 'height': 270, 'acodec': 'mp3', 'abr': 64, 'vcodec': 'h263'},
 432         '13': {'ext': '3gp', 'acodec': 'aac', 'vcodec': 'mp4v'},
 433         '17': {'ext': '3gp', 'width': 176, 'height': 144, 'acodec': 'aac', 'abr': 24, 'vcodec': 'mp4v'},
 434         '18': {'ext': 'mp4', 'width': 640, 'height': 360, 'acodec': 'aac', 'abr': 96, 'vcodec': 'h264'},
 435         '22': {'ext': 'mp4', 'width': 1280, 'height': 720, 'acodec': 'aac', 'abr': 192, 'vcodec': 'h264'},
 436         '34': {'ext': 'flv', 'width': 640, 'height': 360, 'acodec': 'aac', 'abr': 128, 'vcodec': 'h264'},
 437         '35': {'ext': 'flv', 'width': 854, 'height': 480, 'acodec': 'aac', 'abr': 128, 'vcodec': 'h264'},
 438         # itag 36 videos are either 320x180 (BaW_jenozKc) or 320x240 (__2ABJjxzNo), abr varies as well
 439         '36': {'ext': '3gp', 'width': 320, 'acodec': 'aac', 'vcodec': 'mp4v'},
 440         '37': {'ext': 'mp4', 'width': 1920, 'height': 1080, 'acodec': 'aac', 'abr': 192, 'vcodec': 'h264'},
 441         '38': {'ext': 'mp4', 'width': 4096, 'height': 3072, 'acodec': 'aac', 'abr': 192, 'vcodec': 'h264'},
 442         '43': {'ext': 'webm', 'width': 640, 'height': 360, 'acodec': 'vorbis', 'abr': 128, 'vcodec': 'vp8'},
 443         '44': {'ext': 'webm', 'width': 854, 'height': 480, 'acodec': 'vorbis', 'abr': 128, 'vcodec': 'vp8'},
 444         '45': {'ext': 'webm', 'width': 1280, 'height': 720, 'acodec': 'vorbis', 'abr': 192, 'vcodec': 'vp8'},
 445         '46': {'ext': 'webm', 'width': 1920, 'height': 1080, 'acodec': 'vorbis', 'abr': 192, 'vcodec': 'vp8'},
 446         '59': {'ext': 'mp4', 'width': 854, 'height': 480, 'acodec': 'aac', 'abr': 128, 'vcodec': 'h264'},
 447         '78': {'ext': 'mp4', 'width': 854, 'height': 480, 'acodec': 'aac', 'abr': 128, 'vcodec': 'h264'},
 448
 449
 450         # 3D videos
 451         '82': {'ext': 'mp4', 'height': 360, 'format_note': '3D', 'acodec': 'aac', 'abr': 128, 'vcodec': 'h264', 'preference': -20},
 452         '83': {'ext': 'mp4', 'height': 480, 'format_note': '3D', 'acodec': 'aac', 'abr': 128, 'vcodec': 'h264', 'preference': -20},
 453         '84': {'ext': 'mp4', 'height': 720, 'format_note': '3D', 'acodec': 'aac', 'abr': 192, 'vcodec': 'h264', 'preference': -20},
 454         '85': {'ext': 'mp4', 'height': 1080, 'format_note': '3D', 'acodec': 'aac', 'abr': 192, 'vcodec': 'h264', 'preference': -20},
 455         '100': {'ext': 'webm', 'height': 360, 'format_note': '3D', 'acodec': 'vorbis', 'abr': 128, 'vcodec': 'vp8', 'preference': -20},
 456         '101': {'ext': 'webm', 'height': 480, 'format_note': '3D', 'acodec': 'vorbis', 'abr': 192, 'vcodec': 'vp8', 'preference': -20},
 457         '102': {'ext': 'webm', 'height': 720, 'format_note': '3D', 'acodec': 'vorbis', 'abr': 192, 'vcodec': 'vp8', 'preference': -20},
 458
 459         # Apple HTTP Live Streaming
 460         '91': {'ext': 'mp4', 'height': 144, 'format_note': 'HLS', 'acodec': 'aac', 'abr': 48, 'vcodec': 'h264', 'preference': -10},
 461         '92': {'ext': 'mp4', 'height': 240, 'format_note': 'HLS', 'acodec': 'aac', 'abr': 48, 'vcodec': 'h264', 'preference': -10},
 462         '93': {'ext': 'mp4', 'height': 360, 'format_note': 'HLS', 'acodec': 'aac', 'abr': 128, 'vcodec': 'h264', 'preference': -10},
 463         '94': {'ext': 'mp4', 'height': 480, 'format_note': 'HLS', 'acodec': 'aac', 'abr': 128, 'vcodec': 'h264', 'preference': -10},
 464         '95': {'ext': 'mp4', 'height': 720, 'format_note': 'HLS', 'acodec': 'aac', 'abr': 256, 'vcodec': 'h264', 'preference': -10},
 465         '96': {'ext': 'mp4', 'height': 1080, 'format_note': 'HLS', 'acodec': 'aac', 'abr': 256, 'vcodec': 'h264', 'preference': -10},
 466         '132': {'ext': 'mp4', 'height': 240, 'format_note': 'HLS', 'acodec': 'aac', 'abr': 48, 'vcodec': 'h264', 'preference': -10},
 467         '151': {'ext': 'mp4', 'height': 72, 'format_note': 'HLS', 'acodec': 'aac', 'abr': 24, 'vcodec': 'h264', 'preference': -10},
 468
 469         # DASH mp4 video
 470         '133': {'ext': 'mp4', 'height': 240, 'format_note': 'DASH video', 'vcodec': 'h264'},
 471         '134': {'ext': 'mp4', 'height': 360, 'format_note': 'DASH video', 'vcodec': 'h264'},
 472         '135': {'ext': 'mp4', 'height': 480, 'format_note': 'DASH video', 'vcodec': 'h264'},
 473         '136': {'ext': 'mp4', 'height': 720, 'format_note': 'DASH video', 'vcodec': 'h264'},
 474         '137': {'ext': 'mp4', 'height': 1080, 'format_note': 'DASH video', 'vcodec': 'h264'},
 475         '138': {'ext': 'mp4', 'format_note': 'DASH video', 'vcodec': 'h264'},  # Height can vary (https://github.com/ytdl-org/youtube-dl/issues/4559)
 476         '160': {'ext': 'mp4', 'height': 144, 'format_note': 'DASH video', 'vcodec': 'h264'},
 477         '212': {'ext': 'mp4', 'height': 480, 'format_note': 'DASH video', 'vcodec': 'h264'},
 478         '264': {'ext': 'mp4', 'height': 1440, 'format_note': 'DASH video', 'vcodec': 'h264'},
 479         '298': {'ext': 'mp4', 'height': 720, 'format_note': 'DASH video', 'vcodec': 'h264', 'fps': 60},
 480         '299': {'ext': 'mp4', 'height': 1080, 'format_note': 'DASH video', 'vcodec': 'h264', 'fps': 60},
 481         '266': {'ext': 'mp4', 'height': 2160, 'format_note': 'DASH video', 'vcodec': 'h264'},
 482
 483         # Dash mp4 audio
 484         '139': {'ext': 'm4a', 'format_note': 'DASH audio', 'acodec': 'aac', 'abr': 48, 'container': 'm4a_dash'},
 485         '140': {'ext': 'm4a', 'format_note': 'DASH audio', 'acodec': 'aac', 'abr': 128, 'container': 'm4a_dash'},
 486         '141': {'ext': 'm4a', 'format_note': 'DASH audio', 'acodec': 'aac', 'abr': 256, 'container': 'm4a_dash'},
 487         '256': {'ext': 'm4a', 'format_note': 'DASH audio', 'acodec': 'aac', 'container': 'm4a_dash'},
 488         '258': {'ext': 'm4a', 'format_note': 'DASH audio', 'acodec': 'aac', 'container': 'm4a_dash'},
 489         '325': {'ext': 'm4a', 'format_note': 'DASH audio', 'acodec': 'dtse', 'container': 'm4a_dash'},
 490         '328': {'ext': 'm4a', 'format_note': 'DASH audio', 'acodec': 'ec-3', 'container': 'm4a_dash'},
 491
 492         # Dash webm
 493         '167': {'ext': 'webm', 'height': 360, 'width': 640, 'format_note': 'DASH video', 'container': 'webm', 'vcodec': 'vp8'},
 494         '168': {'ext': 'webm', 'height': 480, 'width': 854, 'format_note': 'DASH video', 'container': 'webm', 'vcodec': 'vp8'},
 495         '169': {'ext': 'webm', 'height': 720, 'width': 1280, 'format_note': 'DASH video', 'container': 'webm', 'vcodec': 'vp8'},
 496         '170': {'ext': 'webm', 'height': 1080, 'width': 1920, 'format_note': 'DASH video', 'container': 'webm', 'vcodec': 'vp8'},
 497         '218': {'ext': 'webm', 'height': 480, 'width': 854, 'format_note': 'DASH video', 'container': 'webm', 'vcodec': 'vp8'},
 498         '219': {'ext': 'webm', 'height': 480, 'width': 854, 'format_note': 'DASH video', 'container': 'webm', 'vcodec': 'vp8'},
 499         '278': {'ext': 'webm', 'height': 144, 'format_note': 'DASH video', 'container': 'webm', 'vcodec': 'vp9'},
 500         '242': {'ext': 'webm', 'height': 240, 'format_note': 'DASH video', 'vcodec': 'vp9'},
 501         '243': {'ext': 'webm', 'height': 360, 'format_note': 'DASH video', 'vcodec': 'vp9'},
 502         '244': {'ext': 'webm', 'height': 480, 'format_note': 'DASH video', 'vcodec': 'vp9'},
 503         '245': {'ext': 'webm', 'height': 480, 'format_note': 'DASH video', 'vcodec': 'vp9'},
 504         '246': {'ext': 'webm', 'height': 480, 'format_note': 'DASH video', 'vcodec': 'vp9'},
 505         '247': {'ext': 'webm', 'height': 720, 'format_note': 'DASH video', 'vcodec': 'vp9'},
 506         '248': {'ext': 'webm', 'height': 1080, 'format_note': 'DASH video', 'vcodec': 'vp9'},
 507         '271': {'ext': 'webm', 'height': 1440, 'format_note': 'DASH video', 'vcodec': 'vp9'},
 508         # itag 272 videos are either 3840x2160 (e.g. RtoitU2A-3E) or 7680x4320 (sLprVF6d7Ug)
 509         '272': {'ext': 'webm', 'height': 2160, 'format_note': 'DASH video', 'vcodec': 'vp9'},
 510         '302': {'ext': 'webm', 'height': 720, 'format_note': 'DASH video', 'vcodec': 'vp9', 'fps': 60},
 511         '303': {'ext': 'webm', 'height': 1080, 'format_note': 'DASH video', 'vcodec': 'vp9', 'fps': 60},
 512         '308': {'ext': 'webm', 'height': 1440, 'format_note': 'DASH video', 'vcodec': 'vp9', 'fps': 60},
 513         '313': {'ext': 'webm', 'height': 2160, 'format_note': 'DASH video', 'vcodec': 'vp9'},
 514         '315': {'ext': 'webm', 'height': 2160, 'format_note': 'DASH video', 'vcodec': 'vp9', 'fps': 60},
 515
 516         # Dash webm audio
 517         '171': {'ext': 'webm', 'acodec': 'vorbis', 'format_note': 'DASH audio', 'abr': 128},
 518         '172': {'ext': 'webm', 'acodec': 'vorbis', 'format_note': 'DASH audio', 'abr': 256},
 519
 520         # Dash webm audio with opus inside
 521         '249': {'ext': 'webm', 'format_note': 'DASH audio', 'acodec': 'opus', 'abr': 50},
 522         '250': {'ext': 'webm', 'format_note': 'DASH audio', 'acodec': 'opus', 'abr': 70},
 523         '251': {'ext': 'webm', 'format_note': 'DASH audio', 'acodec': 'opus', 'abr': 160},
 524
 525         # RTMP (unnamed)
 526         '_rtmp': {'protocol': 'rtmp'},
 527
 528         # av01 video only formats sometimes served with "unknown" codecs
 529         '394': {'acodec': 'none', 'vcodec': 'av01.0.05M.08'},
 530         '395': {'acodec': 'none', 'vcodec': 'av01.0.05M.08'},
 531         '396': {'acodec': 'none', 'vcodec': 'av01.0.05M.08'},
 532         '397': {'acodec': 'none', 'vcodec': 'av01.0.05M.08'},
 533     }
 534     _SUBTITLE_FORMATS = ('srv1', 'srv2', 'srv3', 'ttml', 'vtt')
 535
 536     _GEO_BYPASS = False
 537
 538     IE_NAME = 'youtube'
 539     _TESTS = [
 540         {
 541             'url': 'https://www.youtube.com/watch?v=BaW_jenozKc&t=1s&end=9',
 542             'info_dict': {
 543                 'id': 'BaW_jenozKc',
 544                 'ext': 'mp4',
 545                 'title': 'youtube-dl test video "\'/\\ä↭𝕐',
 546                 'uploader': 'Philipp Hagemeister',
 547                 'uploader_id': 'phihag',
 548                 'uploader_url': r're:https?://(?:www\.)?youtube\.com/user/phihag',
 549                 'channel_id': 'UCLqxVugv74EIW3VWh2NOa3Q',
 550                 'channel_url': r're:https?://(?:www\.)?youtube\.com/channel/UCLqxVugv74EIW3VWh2NOa3Q',
 551                 'upload_date': '20121002',
 552                 'description': 'test chars:  "\'/\\ä↭𝕐\ntest URL: https://github.com/rg3/youtube-dl/issues/1892\n\nThis is a test video for youtube-dl.\n\nFor more information, contact phihag@phihag.de .',
 553                 'categories': ['Science & Technology'],
 554                 'tags': ['youtube-dl'],
 555                 'duration': 10,
 556                 'view_count': int,
 557                 'like_count': int,
 558                 'dislike_count': int,
 559                 'start_time': 1,
 560                 'end_time': 9,
 561             }
 562         },
 563         {
 564             'url': 'https://www.youtube.com/watch?v=UxxajLWwzqY',
 565             'note': 'Test generic use_cipher_signature video (#897)',
 566             'info_dict': {
 567                 'id': 'UxxajLWwzqY',
 568                 'ext': 'mp4',
 569                 'upload_date': '20120506',
 570                 'title': 'Icona Pop - I Love It (feat. Charli XCX) [OFFICIAL VIDEO]',
 571                 'alt_title': 'I Love It (feat. Charli XCX)',
 572                 'description': 'md5:19a2f98d9032b9311e686ed039564f63',
 573                 'tags': ['Icona Pop i love it', 'sweden', 'pop music', 'big beat records', 'big beat', 'charli',
 574                          'xcx', 'charli xcx', 'girls', 'hbo', 'i love it', "i don't care", 'icona', 'pop',
 575                          'iconic ep', 'iconic', 'love', 'it'],
 576                 'duration': 180,
 577                 'uploader': 'Icona Pop',
 578                 'uploader_id': 'IconaPop',
 579                 'uploader_url': r're:https?://(?:www\.)?youtube\.com/user/IconaPop',
 580                 'creator': 'Icona Pop',
 581                 'track': 'I Love It (feat. Charli XCX)',
 582                 'artist': 'Icona Pop',
 583             }
 584         },
 585         {
 586             'url': 'https://www.youtube.com/watch?v=07FYdnEawAQ',
 587             'note': 'Test VEVO video with age protection (#956)',
 588             'info_dict': {
 589                 'id': '07FYdnEawAQ',
 590                 'ext': 'mp4',
 591                 'upload_date': '20130703',
 592                 'title': 'Justin Timberlake - Tunnel Vision (Official Music Video) (Explicit)',
 593                 'alt_title': 'Tunnel Vision',
 594                 'description': 'md5:07dab3356cde4199048e4c7cd93471e1',
 595                 'duration': 419,
 596                 'uploader': 'justintimberlakeVEVO',
 597                 'uploader_id': 'justintimberlakeVEVO',
 598                 'uploader_url': r're:https?://(?:www\.)?youtube\.com/user/justintimberlakeVEVO',
 599                 'creator': 'Justin Timberlake',
 600                 'track': 'Tunnel Vision',
 601                 'artist': 'Justin Timberlake',
 602                 'age_limit': 18,
 603             }
 604         },
 605         {
 606             'url': '//www.YouTube.com/watch?v=yZIXLfi8CZQ',
 607             'note': 'Embed-only video (#1746)',
 608             'info_dict': {
 609                 'id': 'yZIXLfi8CZQ',
 610                 'ext': 'mp4',
 611                 'upload_date': '20120608',
 612                 'title': 'Principal Sexually Assaults A Teacher - Episode 117 - 8th June 2012',
 613                 'description': 'md5:09b78bd971f1e3e289601dfba15ca4f7',
 614                 'uploader': 'SET India',
 615                 'uploader_id': 'setindia',
 616                 'uploader_url': r're:https?://(?:www\.)?youtube\.com/user/setindia',
 617                 'age_limit': 18,
 618             }
 619         },
 620         {
 621             'url': 'https://www.youtube.com/watch?v=BaW_jenozKc&v=UxxajLWwzqY',
 622             'note': 'Use the first video ID in the URL',
 623             'info_dict': {
 624                 'id': 'BaW_jenozKc',
 625                 'ext': 'mp4',
 626                 'title': 'youtube-dl test video "\'/\\ä↭𝕐',
 627                 'uploader': 'Philipp Hagemeister',
 628                 'uploader_id': 'phihag',
 629                 'uploader_url': r're:https?://(?:www\.)?youtube\.com/user/phihag',
 630                 'upload_date': '20121002',
 631                 'description': 'test chars:  "\'/\\ä↭𝕐\ntest URL: https://github.com/rg3/youtube-dl/issues/1892\n\nThis is a test video for youtube-dl.\n\nFor more information, contact phihag@phihag.de .',
 632                 'categories': ['Science & Technology'],
 633                 'tags': ['youtube-dl'],
 634                 'duration': 10,
 635                 'view_count': int,
 636                 'like_count': int,
 637                 'dislike_count': int,
 638             },
 639             'params': {
 640                 'skip_download': True,
 641             },
 642         },
 643         {
 644             'url': 'https://www.youtube.com/watch?v=a9LDPn-MO4I',
 645             'note': '256k DASH audio (format 141) via DASH manifest',
 646             'info_dict': {
 647                 'id': 'a9LDPn-MO4I',
 648                 'ext': 'm4a',
 649                 'upload_date': '20121002',
 650                 'uploader_id': '8KVIDEO',
 651                 'uploader_url': r're:https?://(?:www\.)?youtube\.com/user/8KVIDEO',
 652                 'description': '',
 653                 'uploader': '8KVIDEO',
 654                 'title': 'UHDTV TEST 8K VIDEO.mp4'
 655             },
 656             'params': {
 657                 'youtube_include_dash_manifest': True,
 658                 'format': '141',
 659             },
 660             'skip': 'format 141 not served anymore',
 661         },
 662         # DASH manifest with encrypted signature
 663         {
 664             'url': 'https://www.youtube.com/watch?v=IB3lcPjvWLA',
 665             'info_dict': {
 666                 'id': 'IB3lcPjvWLA',
 667                 'ext': 'm4a',
 668                 'title': 'Afrojack, Spree Wilson - The Spark (Official Music Video) ft. Spree Wilson',
 669                 'description': 'md5:8f5e2b82460520b619ccac1f509d43bf',
 670                 'duration': 244,
 671                 'uploader': 'AfrojackVEVO',
 672                 'uploader_id': 'AfrojackVEVO',
 673                 'upload_date': '20131011',
 674             },
 675             'params': {
 676                 'youtube_include_dash_manifest': True,
 677                 'format': '141/bestaudio[ext=m4a]',
 678             },
 679         },
 680         # JS player signature function name containing $
 681         {
 682             'url': 'https://www.youtube.com/watch?v=nfWlot6h_JM',
 683             'info_dict': {
 684                 'id': 'nfWlot6h_JM',
 685                 'ext': 'm4a',
 686                 'title': 'Taylor Swift - Shake It Off',
 687                 'description': 'md5:307195cd21ff7fa352270fe884570ef0',
 688                 'duration': 242,
 689                 'uploader': 'TaylorSwiftVEVO',
 690                 'uploader_id': 'TaylorSwiftVEVO',
 691                 'upload_date': '20140818',
 692             },
 693             'params': {
 694                 'youtube_include_dash_manifest': True,
 695                 'format': '141/bestaudio[ext=m4a]',
 696             },
 697         },
 698         # Controversy video
 699         {
 700             'url': 'https://www.youtube.com/watch?v=T4XJQO3qol8',
 701             'info_dict': {
 702                 'id': 'T4XJQO3qol8',
 703                 'ext': 'mp4',
 704                 'duration': 219,
 705                 'upload_date': '20100909',
 706                 'uploader': 'Amazing Atheist',
 707                 'uploader_id': 'TheAmazingAtheist',
 708                 'uploader_url': r're:https?://(?:www\.)?youtube\.com/user/TheAmazingAtheist',
 709                 'title': 'Burning Everyone\'s Koran',
 710                 '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',
 711             }
 712         },
 713         # Normal age-gate video (No vevo, embed allowed)
 714         {
 715             'url': 'https://youtube.com/watch?v=HtVdAasjOgU',
 716             'info_dict': {
 717                 'id': 'HtVdAasjOgU',
 718                 'ext': 'mp4',
 719                 'title': 'The Witcher 3: Wild Hunt - The Sword Of Destiny Trailer',
 720                 'description': r're:(?s).{100,}About the Game\n.*?The Witcher 3: Wild Hunt.{100,}',
 721                 'duration': 142,
 722                 'uploader': 'The Witcher',
 723                 'uploader_id': 'WitcherGame',
 724                 'uploader_url': r're:https?://(?:www\.)?youtube\.com/user/WitcherGame',
 725                 'upload_date': '20140605',
 726                 'age_limit': 18,
 727             },
 728         },
 729         # Age-gate video with encrypted signature
 730         {
 731             'url': 'https://www.youtube.com/watch?v=6kLq3WMV1nU',
 732             'info_dict': {
 733                 'id': '6kLq3WMV1nU',
 734                 'ext': 'mp4',
 735                 'title': 'Dedication To My Ex (Miss That) (Lyric Video)',
 736                 'description': 'md5:33765bb339e1b47e7e72b5490139bb41',
 737                 'duration': 246,
 738                 'uploader': 'LloydVEVO',
 739                 'uploader_id': 'LloydVEVO',
 740                 'uploader_url': r're:https?://(?:www\.)?youtube\.com/user/LloydVEVO',
 741                 'upload_date': '20110629',
 742                 'age_limit': 18,
 743             },
 744         },
 745         # video_info is None (https://github.com/ytdl-org/youtube-dl/issues/4421)
 746         # YouTube Red ad is not captured for creator
 747         {
 748             'url': '__2ABJjxzNo',
 749             'info_dict': {
 750                 'id': '__2ABJjxzNo',
 751                 'ext': 'mp4',
 752                 'duration': 266,
 753                 'upload_date': '20100430',
 754                 'uploader_id': 'deadmau5',
 755                 'uploader_url': r're:https?://(?:www\.)?youtube\.com/user/deadmau5',
 756                 'creator': 'Dada Life, deadmau5',
 757                 'description': 'md5:12c56784b8032162bb936a5f76d55360',
 758                 'uploader': 'deadmau5',
 759                 'title': 'Deadmau5 - Some Chords (HD)',
 760                 'alt_title': 'This Machine Kills Some Chords',
 761             },
 762             'expected_warnings': [
 763                 'DASH manifest missing',
 764             ]
 765         },
 766         # Olympics (https://github.com/ytdl-org/youtube-dl/issues/4431)
 767         {
 768             'url': 'lqQg6PlCWgI',
 769             'info_dict': {
 770                 'id': 'lqQg6PlCWgI',
 771                 'ext': 'mp4',
 772                 'duration': 6085,
 773                 'upload_date': '20150827',
 774                 'uploader_id': 'olympic',
 775                 'uploader_url': r're:https?://(?:www\.)?youtube\.com/user/olympic',
 776                 'description': 'HO09  - Women -  GER-AUS - Hockey - 31 July 2012 - London 2012 Olympic Games',
 777                 'uploader': 'Olympic',
 778                 'title': 'Hockey - Women -  GER-AUS - London 2012 Olympic Games',
 779             },
 780             'params': {
 781                 'skip_download': 'requires avconv',
 782             }
 783         },
 784         # Non-square pixels
 785         {
 786             'url': 'https://www.youtube.com/watch?v=_b-2C3KPAM0',
 787             'info_dict': {
 788                 'id': '_b-2C3KPAM0',
 789                 'ext': 'mp4',
 790                 'stretched_ratio': 16 / 9.,
 791                 'duration': 85,
 792                 'upload_date': '20110310',
 793                 'uploader_id': 'AllenMeow',
 794                 'uploader_url': r're:https?://(?:www\.)?youtube\.com/user/AllenMeow',
 795                 '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',
 796                 'uploader': '孫ᄋᄅ',
 797                 'title': '[A-made] 變態妍字幕版 太妍 我就是這樣的人',
 798             },
 799         },
 800         # url_encoded_fmt_stream_map is empty string
 801         {
 802             'url': 'qEJwOuvDf7I',
 803             'info_dict': {
 804                 'id': 'qEJwOuvDf7I',
 805                 'ext': 'webm',
 806                 'title': 'Обсуждение судебной практики по выборам 14 сентября 2014 года в Санкт-Петербурге',
 807                 'description': '',
 808                 'upload_date': '20150404',
 809                 'uploader_id': 'spbelect',
 810                 'uploader': 'Наблюдатели Петербурга',
 811             },
 812             'params': {
 813                 'skip_download': 'requires avconv',
 814             },
 815             'skip': 'This live event has ended.',
 816         },
 817         # Extraction from multiple DASH manifests (https://github.com/ytdl-org/youtube-dl/pull/6097)
 818         {
 819             'url': 'https://www.youtube.com/watch?v=FIl7x6_3R5Y',
 820             'info_dict': {
 821                 'id': 'FIl7x6_3R5Y',
 822                 'ext': 'webm',
 823                 'title': 'md5:7b81415841e02ecd4313668cde88737a',
 824                 'description': 'md5:116377fd2963b81ec4ce64b542173306',
 825                 'duration': 220,
 826                 'upload_date': '20150625',
 827                 'uploader_id': 'dorappi2000',
 828                 'uploader_url': r're:https?://(?:www\.)?youtube\.com/user/dorappi2000',
 829                 'uploader': 'dorappi2000',
 830                 'formats': 'mincount:31',
 831             },
 832             'skip': 'not actual anymore',
 833         },
 834         # DASH manifest with segment_list
 835         {
 836             'url': 'https://www.youtube.com/embed/CsmdDsKjzN8',
 837             'md5': '8ce563a1d667b599d21064e982ab9e31',
 838             'info_dict': {
 839                 'id': 'CsmdDsKjzN8',
 840                 'ext': 'mp4',
 841                 'upload_date': '20150501',  # According to '<meta itemprop="datePublished"', but in other places it's 20150510
 842                 'uploader': 'Airtek',
 843                 'description': 'Retransmisión en directo de la XVIII media maratón de Zaragoza.',
 844                 'uploader_id': 'UCzTzUmjXxxacNnL8I3m4LnQ',
 845                 'title': 'Retransmisión XVIII Media maratón Zaragoza 2015',
 846             },
 847             'params': {
 848                 'youtube_include_dash_manifest': True,
 849                 'format': '135',  # bestvideo
 850             },
 851             'skip': 'This live event has ended.',
 852         },
 853         {
 854             # Multifeed videos (multiple cameras), URL is for Main Camera
 855             'url': 'https://www.youtube.com/watch?v=jqWvoWXjCVs',
 856             'info_dict': {
 857                 'id': 'jqWvoWXjCVs',
 858                 'title': 'teamPGP: Rocket League Noob Stream',
 859                 'description': 'md5:dc7872fb300e143831327f1bae3af010',
 860             },
 861             'playlist': [{
 862                 'info_dict': {
 863                     'id': 'jqWvoWXjCVs',
 864                     'ext': 'mp4',
 865                     'title': 'teamPGP: Rocket League Noob Stream (Main Camera)',
 866                     'description': 'md5:dc7872fb300e143831327f1bae3af010',
 867                     'duration': 7335,
 868                     'upload_date': '20150721',
 869                     'uploader': 'Beer Games Beer',
 870                     'uploader_id': 'beergamesbeer',
 871                     'uploader_url': r're:https?://(?:www\.)?youtube\.com/user/beergamesbeer',
 872                     'license': 'Standard YouTube License',
 873                 },
 874             }, {
 875                 'info_dict': {
 876                     'id': '6h8e8xoXJzg',
 877                     'ext': 'mp4',
 878                     'title': 'teamPGP: Rocket League Noob Stream (kreestuh)',
 879                     'description': 'md5:dc7872fb300e143831327f1bae3af010',
 880                     'duration': 7337,
 881                     'upload_date': '20150721',
 882                     'uploader': 'Beer Games Beer',
 883                     'uploader_id': 'beergamesbeer',
 884                     'uploader_url': r're:https?://(?:www\.)?youtube\.com/user/beergamesbeer',
 885                     'license': 'Standard YouTube License',
 886                 },
 887             }, {
 888                 'info_dict': {
 889                     'id': 'PUOgX5z9xZw',
 890                     'ext': 'mp4',
 891                     'title': 'teamPGP: Rocket League Noob Stream (grizzle)',
 892                     'description': 'md5:dc7872fb300e143831327f1bae3af010',
 893                     'duration': 7337,
 894                     'upload_date': '20150721',
 895                     'uploader': 'Beer Games Beer',
 896                     'uploader_id': 'beergamesbeer',
 897                     'uploader_url': r're:https?://(?:www\.)?youtube\.com/user/beergamesbeer',
 898                     'license': 'Standard YouTube License',
 899                 },
 900             }, {
 901                 'info_dict': {
 902                     'id': 'teuwxikvS5k',
 903                     'ext': 'mp4',
 904                     'title': 'teamPGP: Rocket League Noob Stream (zim)',
 905                     'description': 'md5:dc7872fb300e143831327f1bae3af010',
 906                     'duration': 7334,
 907                     'upload_date': '20150721',
 908                     'uploader': 'Beer Games Beer',
 909                     'uploader_id': 'beergamesbeer',
 910                     'uploader_url': r're:https?://(?:www\.)?youtube\.com/user/beergamesbeer',
 911                     'license': 'Standard YouTube License',
 912                 },
 913             }],
 914             'params': {
 915                 'skip_download': True,
 916             },
 917             'skip': 'This video is not available.',
 918         },
 919         {
 920             # Multifeed video with comma in title (see https://github.com/ytdl-org/youtube-dl/issues/8536)
 921             'url': 'https://www.youtube.com/watch?v=gVfLd0zydlo',
 922             'info_dict': {
 923                 'id': 'gVfLd0zydlo',
 924                 'title': 'DevConf.cz 2016 Day 2 Workshops 1 14:00 - 15:30',
 925             },
 926             'playlist_count': 2,
 927             'skip': 'Not multifeed anymore',
 928         },
 929         {
 930             'url': 'https://vid.plus/FlRa-iH7PGw',
 931             'only_matching': True,
 932         },
 933         {
 934             'url': 'https://zwearz.com/watch/9lWxNJF-ufM/electra-woman-dyna-girl-official-trailer-grace-helbig.html',
 935             'only_matching': True,
 936         },
 937         {
 938             # Title with JS-like syntax "};" (see https://github.com/ytdl-org/youtube-dl/issues/7468)
 939             # Also tests cut-off URL expansion in video description (see
 940             # https://github.com/ytdl-org/youtube-dl/issues/1892,
 941             # https://github.com/ytdl-org/youtube-dl/issues/8164)
 942             'url': 'https://www.youtube.com/watch?v=lsguqyKfVQg',
 943             'info_dict': {
 944                 'id': 'lsguqyKfVQg',
 945                 'ext': 'mp4',
 946                 'title': '{dark walk}; Loki/AC/Dishonored; collab w/Elflover21',
 947                 'alt_title': 'Dark Walk - Position Music',
 948                 'description': 'md5:8085699c11dc3f597ce0410b0dcbb34a',
 949                 'duration': 133,
 950                 'upload_date': '20151119',
 951                 'uploader_id': 'IronSoulElf',
 952                 'uploader_url': r're:https?://(?:www\.)?youtube\.com/user/IronSoulElf',
 953                 'uploader': 'IronSoulElf',
 954                 'creator': 'Todd Haberman,  Daniel Law Heath and Aaron Kaplan',
 955                 'track': 'Dark Walk - Position Music',
 956                 'artist': 'Todd Haberman,  Daniel Law Heath and Aaron Kaplan',
 957                 'album': 'Position Music - Production Music Vol. 143 - Dark Walk',
 958             },
 959             'params': {
 960                 'skip_download': True,
 961             },
 962         },
 963         {
 964             # Tags with '};' (see https://github.com/ytdl-org/youtube-dl/issues/7468)
 965             'url': 'https://www.youtube.com/watch?v=Ms7iBXnlUO8',
 966             'only_matching': True,
 967         },
 968         {
 969             # Video with yt:stretch=17:0
 970             'url': 'https://www.youtube.com/watch?v=Q39EVAstoRM',
 971             'info_dict': {
 972                 'id': 'Q39EVAstoRM',
 973                 'ext': 'mp4',
 974                 'title': 'Clash Of Clans#14 Dicas De Ataque Para CV 4',
 975                 'description': 'md5:ee18a25c350637c8faff806845bddee9',
 976                 'upload_date': '20151107',
 977                 'uploader_id': 'UCCr7TALkRbo3EtFzETQF1LA',
 978                 'uploader': 'CH GAMER DROID',
 979             },
 980             'params': {
 981                 'skip_download': True,
 982             },
 983             'skip': 'This video does not exist.',
 984         },
 985         {
 986             # Video licensed under Creative Commons
 987             'url': 'https://www.youtube.com/watch?v=M4gD1WSo5mA',
 988             'info_dict': {
 989                 'id': 'M4gD1WSo5mA',
 990                 'ext': 'mp4',
 991                 'title': 'md5:e41008789470fc2533a3252216f1c1d1',
 992                 'description': 'md5:a677553cf0840649b731a3024aeff4cc',
 993                 'duration': 721,
 994                 'upload_date': '20150127',
 995                 'uploader_id': 'BerkmanCenter',
 996                 'uploader_url': r're:https?://(?:www\.)?youtube\.com/user/BerkmanCenter',
 997                 'uploader': 'The Berkman Klein Center for Internet & Society',
 998                 'license': 'Creative Commons Attribution license (reuse allowed)',
 999             },
1000             'params': {
1001                 'skip_download': True,
1002             },
1003         },
1004         {
1005             # Channel-like uploader_url
1006             'url': 'https://www.youtube.com/watch?v=eQcmzGIKrzg',
1007             'info_dict': {
1008                 'id': 'eQcmzGIKrzg',
1009                 'ext': 'mp4',
1010                 'title': 'Democratic Socialism and Foreign Policy | Bernie Sanders',
1011                 'description': 'md5:dda0d780d5a6e120758d1711d062a867',
1012                 'duration': 4060,
1013                 'upload_date': '20151119',
1014                 'uploader': 'Bernie Sanders',
1015                 'uploader_id': 'UCH1dpzjCEiGAt8CXkryhkZg',
1016                 'uploader_url': r're:https?://(?:www\.)?youtube\.com/channel/UCH1dpzjCEiGAt8CXkryhkZg',
1017                 'license': 'Creative Commons Attribution license (reuse allowed)',
1018             },
1019             'params': {
1020                 'skip_download': True,
1021             },
1022         },
1023         {
1024             'url': 'https://www.youtube.com/watch?feature=player_embedded&amp;amp;v=V36LpHqtcDY',
1025             'only_matching': True,
1026         },
1027         {
1028             # YouTube Red paid video (https://github.com/ytdl-org/youtube-dl/issues/10059)
1029             'url': 'https://www.youtube.com/watch?v=i1Ko8UG-Tdo',
1030             'only_matching': True,
1031         },
1032         {
1033             # Rental video preview
1034             'url': 'https://www.youtube.com/watch?v=yYr8q0y5Jfg',
1035             'info_dict': {
1036                 'id': 'uGpuVWrhIzE',
1037                 'ext': 'mp4',
1038                 'title': 'Piku - Trailer',
1039                 'description': 'md5:c36bd60c3fd6f1954086c083c72092eb',
1040                 'upload_date': '20150811',
1041                 'uploader': 'FlixMatrix',
1042                 'uploader_id': 'FlixMatrixKaravan',
1043                 'uploader_url': r're:https?://(?:www\.)?youtube\.com/user/FlixMatrixKaravan',
1044                 'license': 'Standard YouTube License',
1045             },
1046             'params': {
1047                 'skip_download': True,
1048             },
1049             'skip': 'This video is not available.',
1050         },
1051         {
1052             # YouTube Red video with episode data
1053             'url': 'https://www.youtube.com/watch?v=iqKdEhx-dD4',
1054             'info_dict': {
1055                 'id': 'iqKdEhx-dD4',
1056                 'ext': 'mp4',
1057                 'title': 'Isolation - Mind Field (Ep 1)',
1058                 'description': 'md5:46a29be4ceffa65b92d277b93f463c0f',
1059                 'duration': 2085,
1060                 'upload_date': '20170118',
1061                 'uploader': 'Vsauce',
1062                 'uploader_id': 'Vsauce',
1063                 'uploader_url': r're:https?://(?:www\.)?youtube\.com/user/Vsauce',
1064                 'series': 'Mind Field',
1065                 'season_number': 1,
1066                 'episode_number': 1,
1067             },
1068             'params': {
1069                 'skip_download': True,
1070             },
1071             'expected_warnings': [
1072                 'Skipping DASH manifest',
1073             ],
1074         },
1075         {
1076             # The following content has been identified by the YouTube community
1077             # as inappropriate or offensive to some audiences.
1078             'url': 'https://www.youtube.com/watch?v=6SJNVb0GnPI',
1079             'info_dict': {
1080                 'id': '6SJNVb0GnPI',
1081                 'ext': 'mp4',
1082                 'title': 'Race Differences in Intelligence',
1083                 'description': 'md5:5d161533167390427a1f8ee89a1fc6f1',
1084                 'duration': 965,
1085                 'upload_date': '20140124',
1086                 'uploader': 'New Century Foundation',
1087                 'uploader_id': 'UCEJYpZGqgUob0zVVEaLhvVg',
1088                 'uploader_url': r're:https?://(?:www\.)?youtube\.com/channel/UCEJYpZGqgUob0zVVEaLhvVg',
1089             },
1090             'params': {
1091                 'skip_download': True,
1092             },
1093         },
1094         {
1095             # itag 212
1096             'url': '1t24XAntNCY',
1097             'only_matching': True,
1098         },
1099         {
1100             # geo restricted to JP
1101             'url': 'sJL6WA-aGkQ',
1102             'only_matching': True,
1103         },
1104         {
1105             'url': 'https://www.youtube.com/watch?v=MuAGGZNfUkU&list=RDMM',
1106             'only_matching': True,
1107         },
1108         {
1109             'url': 'https://invidio.us/watch?v=BaW_jenozKc',
1110             'only_matching': True,
1111         },
1112         {
1113             # DRM protected
1114             'url': 'https://www.youtube.com/watch?v=s7_qI6_mIXc',
1115             'only_matching': True,
1116         },
1117         {
1118             # Video with unsupported adaptive stream type formats
1119             'url': 'https://www.youtube.com/watch?v=Z4Vy8R84T1U',
1120             'info_dict': {
1121                 'id': 'Z4Vy8R84T1U',
1122                 'ext': 'mp4',
1123                 'title': 'saman SMAN 53 Jakarta(Sancety) opening COFFEE4th at SMAN 53 Jakarta',
1124                 'description': 'md5:d41d8cd98f00b204e9800998ecf8427e',
1125                 'duration': 433,
1126                 'upload_date': '20130923',
1127                 'uploader': 'Amelia Putri Harwita',
1128                 'uploader_id': 'UCpOxM49HJxmC1qCalXyB3_Q',
1129                 'uploader_url': r're:https?://(?:www\.)?youtube\.com/channel/UCpOxM49HJxmC1qCalXyB3_Q',
1130                 'formats': 'maxcount:10',
1131             },
1132             'params': {
1133                 'skip_download': True,
1134                 'youtube_include_dash_manifest': False,
1135             },
1136             'skip': 'not actual anymore',
1137         },
1138         {
1139             # Youtube Music Auto-generated description
1140             'url': 'https://music.youtube.com/watch?v=MgNrAu2pzNs',
1141             'info_dict': {
1142                 'id': 'MgNrAu2pzNs',
1143                 'ext': 'mp4',
1144                 'title': 'Voyeur Girl',
1145                 'description': 'md5:7ae382a65843d6df2685993e90a8628f',
1146                 'upload_date': '20190312',
1147                 'uploader': 'Stephen - Topic',
1148                 'uploader_id': 'UC-pWHpBjdGG69N9mM2auIAA',
1149                 'artist': 'Stephen',
1150                 'track': 'Voyeur Girl',
1151                 'album': 'it\'s too much love to know my dear',
1152                 'release_date': '20190313',
1153                 'release_year': 2019,
1154             },
1155             'params': {
1156                 'skip_download': True,
1157             },
1158         },
1159         {
1160             # Youtube Music Auto-generated description
1161             # Retrieve 'artist' field from 'Artist:' in video description
1162             # when it is present on youtube music video
1163             'url': 'https://www.youtube.com/watch?v=k0jLE7tTwjY',
1164             'info_dict': {
1165                 'id': 'k0jLE7tTwjY',
1166                 'ext': 'mp4',
1167                 'title': 'Latch Feat. Sam Smith',
1168                 'description': 'md5:3cb1e8101a7c85fcba9b4fb41b951335',
1169                 'upload_date': '20150110',
1170                 'uploader': 'Various Artists - Topic',
1171                 'uploader_id': 'UCNkEcmYdjrH4RqtNgh7BZ9w',
1172                 'artist': 'Disclosure',
1173                 'track': 'Latch Feat. Sam Smith',
1174                 'album': 'Latch Featuring Sam Smith',
1175                 'release_date': '20121008',
1176                 'release_year': 2012,
1177             },
1178             'params': {
1179                 'skip_download': True,
1180             },
1181         },
1182         {
1183             # Youtube Music Auto-generated description
1184             # handle multiple artists on youtube music video
1185             'url': 'https://www.youtube.com/watch?v=74qn0eJSjpA',
1186             'info_dict': {
1187                 'id': '74qn0eJSjpA',
1188                 'ext': 'mp4',
1189                 'title': 'Eastside',
1190                 'description': 'md5:290516bb73dcbfab0dcc4efe6c3de5f2',
1191                 'upload_date': '20180710',
1192                 'uploader': 'Benny Blanco - Topic',
1193                 'uploader_id': 'UCzqz_ksRu_WkIzmivMdIS7A',
1194                 'artist': 'benny blanco, Halsey, Khalid',
1195                 'track': 'Eastside',
1196                 'album': 'Eastside',
1197                 'release_date': '20180713',
1198                 'release_year': 2018,
1199             },
1200             'params': {
1201                 'skip_download': True,
1202             },
1203         },
1204         {
1205             # Youtube Music Auto-generated description
1206             # handle youtube music video with release_year and no release_date
1207             'url': 'https://www.youtube.com/watch?v=-hcAI0g-f5M',
1208             'info_dict': {
1209                 'id': '-hcAI0g-f5M',
1210                 'ext': 'mp4',
1211                 'title': 'Put It On Me',
1212                 'description': 'md5:f6422397c07c4c907c6638e1fee380a5',
1213                 'upload_date': '20180426',
1214                 'uploader': 'Matt Maeson - Topic',
1215                 'uploader_id': 'UCnEkIGqtGcQMLk73Kp-Q5LQ',
1216                 'artist': 'Matt Maeson',
1217                 'track': 'Put It On Me',
1218                 'album': 'The Hearse',
1219                 'release_date': None,
1220                 'release_year': 2018,
1221             },
1222             'params': {
1223                 'skip_download': True,
1224             },
1225         },
1226         {
1227             'url': 'https://www.youtubekids.com/watch?v=3b8nCWDgZ6Q',
1228             'only_matching': True,
1229         },
1230         {
1231             # invalid -> valid video id redirection
1232             'url': 'DJztXj2GPfl',
1233             'info_dict': {
1234                 'id': 'DJztXj2GPfk',
1235                 'ext': 'mp4',
1236                 'title': 'Panjabi MC - Mundian To Bach Ke (The Dictator Soundtrack)',
1237                 'description': 'md5:bf577a41da97918e94fa9798d9228825',
1238                 'upload_date': '20090125',
1239                 'uploader': 'Prochorowka',
1240                 'uploader_id': 'Prochorowka',
1241                 'uploader_url': r're:https?://(?:www\.)?youtube\.com/user/Prochorowka',
1242                 'artist': 'Panjabi MC',
1243                 'track': 'Beware of the Boys (Mundian to Bach Ke) - Motivo Hi-Lectro Remix',
1244                 'album': 'Beware of the Boys (Mundian To Bach Ke)',
1245             },
1246             'params': {
1247                 'skip_download': True,
1248             },
1249         }
1250     ]
1251
1252     def __init__(self, *args, **kwargs):
1253         super(YoutubeIE, self).__init__(*args, **kwargs)
1254         self._player_cache = {}
1255
1256     def report_video_info_webpage_download(self, video_id):
1257         """Report attempt to download video info webpage."""
1258         self.to_screen('%s: Downloading video info webpage' % video_id)
1259
1260     def report_information_extraction(self, video_id):
1261         """Report attempt to extract video information."""
1262         self.to_screen('%s: Extracting video information' % video_id)
1263
1264     def report_unavailable_format(self, video_id, format):
1265         """Report extracted video URL."""
1266         self.to_screen('%s: Format %s not available' % (video_id, format))
1267
1268     def report_rtmp_download(self):
1269         """Indicate the download will use the RTMP protocol."""
1270         self.to_screen('RTMP download detected')
1271
1272     def _signature_cache_id(self, example_sig):
1273         """ Return a string representation of a signature """
1274         return '.'.join(compat_str(len(part)) for part in example_sig.split('.'))
1275
1276     def _extract_signature_function(self, video_id, player_url, example_sig):
1277         id_m = re.match(
1278             r'.*?[-.](?P<id>[a-zA-Z0-9_-]+)(?:/watch_as3|/html5player(?:-new)?|(?:/[a-z]{2,3}_[A-Z]{2})?/base)?\.(?P<ext>[a-z]+)$',
1279             player_url)
1280         if not id_m:
1281             raise ExtractorError('Cannot identify player %r' % player_url)
1282         player_type = id_m.group('ext')
1283         player_id = id_m.group('id')
1284
1285         # Read from filesystem cache
1286         func_id = '%s_%s_%s' % (
1287             player_type, player_id, self._signature_cache_id(example_sig))
1288         assert os.path.basename(func_id) == func_id
1289
1290         cache_spec = self._downloader.cache.load('youtube-sigfuncs', func_id)
1291         if cache_spec is not None:
1292             return lambda s: ''.join(s[i] for i in cache_spec)
1293
1294         download_note = (
1295             'Downloading player %s' % player_url
1296             if self._downloader.params.get('verbose') else
1297             'Downloading %s player %s' % (player_type, player_id)
1298         )
1299         if player_type == 'js':
1300             code = self._download_webpage(
1301                 player_url, video_id,
1302                 note=download_note,
1303                 errnote='Download of %s failed' % player_url)
1304             res = self._parse_sig_js(code)
1305         elif player_type == 'swf':
1306             urlh = self._request_webpage(
1307                 player_url, video_id,
1308                 note=download_note,
1309                 errnote='Download of %s failed' % player_url)
1310             code = urlh.read()
1311             res = self._parse_sig_swf(code)
1312         else:
1313             assert False, 'Invalid player type %r' % player_type
1314
1315         test_string = ''.join(map(compat_chr, range(len(example_sig))))
1316         cache_res = res(test_string)
1317         cache_spec = [ord(c) for c in cache_res]
1318
1319         self._downloader.cache.store('youtube-sigfuncs', func_id, cache_spec)
1320         return res
1321
1322     def _print_sig_code(self, func, example_sig):
1323         def gen_sig_code(idxs):
1324             def _genslice(start, end, step):
1325                 starts = '' if start == 0 else str(start)
1326                 ends = (':%d' % (end + step)) if end + step >= 0 else ':'
1327                 steps = '' if step == 1 else (':%d' % step)
1328                 return 's[%s%s%s]' % (starts, ends, steps)
1329
1330             step = None
1331             # Quelch pyflakes warnings - start will be set when step is set
1332             start = '(Never used)'
1333             for i, prev in zip(idxs[1:], idxs[:-1]):
1334                 if step is not None:
1335                     if i - prev == step:
1336                         continue
1337                     yield _genslice(start, prev, step)
1338                     step = None
1339                     continue
1340                 if i - prev in [-1, 1]:
1341                     step = i - prev
1342                     start = prev
1343                     continue
1344                 else:
1345                     yield 's[%d]' % prev
1346             if step is None:
1347                 yield 's[%d]' % i
1348             else:
1349                 yield _genslice(start, i, step)
1350
1351         test_string = ''.join(map(compat_chr, range(len(example_sig))))
1352         cache_res = func(test_string)
1353         cache_spec = [ord(c) for c in cache_res]
1354         expr_code = ' + '.join(gen_sig_code(cache_spec))
1355         signature_id_tuple = '(%s)' % (
1356             ', '.join(compat_str(len(p)) for p in example_sig.split('.')))
1357         code = ('if tuple(len(p) for p in s.split(\'.\')) == %s:\n'
1358                 '    return %s\n') % (signature_id_tuple, expr_code)
1359         self.to_screen('Extracted signature function:\n' + code)
1360
1361     def _parse_sig_js(self, jscode):
1362         funcname = self._search_regex(
1363             (r'\b[cs]\s*&&\s*[adf]\.set\([^,]+\s*,\s*encodeURIComponent\s*\(\s*(?P<sig>[a-zA-Z0-9$]+)\(',
1364              r'\b[a-zA-Z0-9]+\s*&&\s*[a-zA-Z0-9]+\.set\([^,]+\s*,\s*encodeURIComponent\s*\(\s*(?P<sig>[a-zA-Z0-9$]+)\(',
1365              r'\b(?P<sig>[a-zA-Z0-9$]{2})\s*=\s*function\(\s*a\s*\)\s*{\s*a\s*=\s*a\.split\(\s*""\s*\)',
1366              r'(?P<sig>[a-zA-Z0-9$]+)\s*=\s*function\(\s*a\s*\)\s*{\s*a\s*=\s*a\.split\(\s*""\s*\)',
1367              # Obsolete patterns
1368              r'(["\'])signature\1\s*,\s*(?P<sig>[a-zA-Z0-9$]+)\(',
1369              r'\.sig\|\|(?P<sig>[a-zA-Z0-9$]+)\(',
1370              r'yt\.akamaized\.net/\)\s*\|\|\s*.*?\s*[cs]\s*&&\s*[adf]\.set\([^,]+\s*,\s*(?:encodeURIComponent\s*\()?\s*(?P<sig>[a-zA-Z0-9$]+)\(',
1371              r'\b[cs]\s*&&\s*[adf]\.set\([^,]+\s*,\s*(?P<sig>[a-zA-Z0-9$]+)\(',
1372              r'\b[a-zA-Z0-9]+\s*&&\s*[a-zA-Z0-9]+\.set\([^,]+\s*,\s*(?P<sig>[a-zA-Z0-9$]+)\(',
1373              r'\bc\s*&&\s*a\.set\([^,]+\s*,\s*\([^)]*\)\s*\(\s*(?P<sig>[a-zA-Z0-9$]+)\(',
1374              r'\bc\s*&&\s*[a-zA-Z0-9]+\.set\([^,]+\s*,\s*\([^)]*\)\s*\(\s*(?P<sig>[a-zA-Z0-9$]+)\(',
1375              r'\bc\s*&&\s*[a-zA-Z0-9]+\.set\([^,]+\s*,\s*\([^)]*\)\s*\(\s*(?P<sig>[a-zA-Z0-9$]+)\('),
1376             jscode, 'Initial JS player signature function name', group='sig')
1377
1378         jsi = JSInterpreter(jscode)
1379         initial_function = jsi.extract_function(funcname)
1380         return lambda s: initial_function([s])
1381
1382     def _parse_sig_swf(self, file_contents):
1383         swfi = SWFInterpreter(file_contents)
1384         TARGET_CLASSNAME = 'SignatureDecipher'
1385         searched_class = swfi.extract_class(TARGET_CLASSNAME)
1386         initial_function = swfi.extract_function(searched_class, 'decipher')
1387         return lambda s: initial_function([s])
1388
1389     def _decrypt_signature(self, s, video_id, player_url, age_gate=False):
1390         """Turn the encrypted s field into a working signature"""
1391
1392         if player_url is None:
1393             raise ExtractorError('Cannot decrypt signature without player_url')
1394
1395         if player_url.startswith('//'):
1396             player_url = 'https:' + player_url
1397         elif not re.match(r'https?://', player_url):
1398             player_url = compat_urlparse.urljoin(
1399                 'https://www.youtube.com', player_url)
1400         try:
1401             player_id = (player_url, self._signature_cache_id(s))
1402             if player_id not in self._player_cache:
1403                 func = self._extract_signature_function(
1404                     video_id, player_url, s
1405                 )
1406                 self._player_cache[player_id] = func
1407             func = self._player_cache[player_id]
1408             if self._downloader.params.get('youtube_print_sig_code'):
1409                 self._print_sig_code(func, s)
1410             return func(s)
1411         except Exception as e:
1412             tb = traceback.format_exc()
1413             raise ExtractorError(
1414                 'Signature extraction failed: ' + tb, cause=e)
1415
1416     def _get_subtitles(self, video_id, webpage):
1417         try:
1418             subs_doc = self._download_xml(
1419                 'https://video.google.com/timedtext?hl=en&type=list&v=%s' % video_id,
1420                 video_id, note=False)
1421         except ExtractorError as err:
1422             self._downloader.report_warning('unable to download video subtitles: %s' % error_to_compat_str(err))
1423             return {}
1424
1425         sub_lang_list = {}
1426         for track in subs_doc.findall('track'):
1427             lang = track.attrib['lang_code']
1428             if lang in sub_lang_list:
1429                 continue
1430             sub_formats = []
1431             for ext in self._SUBTITLE_FORMATS:
1432                 params = compat_urllib_parse_urlencode({
1433                     'lang': lang,
1434                     'v': video_id,
1435                     'fmt': ext,
1436                     'name': track.attrib['name'].encode('utf-8'),
1437                 })
1438                 sub_formats.append({
1439                     'url': 'https://www.youtube.com/api/timedtext?' + params,
1440                     'ext': ext,
1441                 })
1442             sub_lang_list[lang] = sub_formats
1443         if not sub_lang_list:
1444             self._downloader.report_warning('video doesn\'t have subtitles')
1445             return {}
1446         return sub_lang_list
1447
1448     def _get_ytplayer_config(self, video_id, webpage):
1449         patterns = (
1450             # User data may contain arbitrary character sequences that may affect
1451             # JSON extraction with regex, e.g. when '};' is contained the second
1452             # regex won't capture the whole JSON. Yet working around by trying more
1453             # concrete regex first keeping in mind proper quoted string handling
1454             # to be implemented in future that will replace this workaround (see
1455             # https://github.com/ytdl-org/youtube-dl/issues/7468,
1456             # https://github.com/ytdl-org/youtube-dl/pull/7599)
1457             r';ytplayer\.config\s*=\s*({.+?});ytplayer',
1458             r';ytplayer\.config\s*=\s*({.+?});',
1459         )
1460         config = self._search_regex(
1461             patterns, webpage, 'ytplayer.config', default=None)
1462         if config:
1463             return self._parse_json(
1464                 uppercase_escape(config), video_id, fatal=False)
1465
1466     def _get_automatic_captions(self, video_id, webpage):
1467         """We need the webpage for getting the captions url, pass it as an
1468            argument to speed up the process."""
1469         self.to_screen('%s: Looking for automatic captions' % video_id)
1470         player_config = self._get_ytplayer_config(video_id, webpage)
1471         err_msg = 'Couldn\'t find automatic captions for %s' % video_id
1472         if not player_config:
1473             self._downloader.report_warning(err_msg)
1474             return {}
1475         try:
1476             args = player_config['args']
1477             caption_url = args.get('ttsurl')
1478             if caption_url:
1479                 timestamp = args['timestamp']
1480                 # We get the available subtitles
1481                 list_params = compat_urllib_parse_urlencode({
1482                     'type': 'list',
1483                     'tlangs': 1,
1484                     'asrs': 1,
1485                 })
1486                 list_url = caption_url + '&' + list_params
1487                 caption_list = self._download_xml(list_url, video_id)
1488                 original_lang_node = caption_list.find('track')
1489                 if original_lang_node is None:
1490                     self._downloader.report_warning('Video doesn\'t have automatic captions')
1491                     return {}
1492                 original_lang = original_lang_node.attrib['lang_code']
1493                 caption_kind = original_lang_node.attrib.get('kind', '')
1494
1495                 sub_lang_list = {}
1496                 for lang_node in caption_list.findall('target'):
1497                     sub_lang = lang_node.attrib['lang_code']
1498                     sub_formats = []
1499                     for ext in self._SUBTITLE_FORMATS:
1500                         params = compat_urllib_parse_urlencode({
1501                             'lang': original_lang,
1502                             'tlang': sub_lang,
1503                             'fmt': ext,
1504                             'ts': timestamp,
1505                             'kind': caption_kind,
1506                         })
1507                         sub_formats.append({
1508                             'url': caption_url + '&' + params,
1509                             'ext': ext,
1510                         })
1511                     sub_lang_list[sub_lang] = sub_formats
1512                 return sub_lang_list
1513
1514             def make_captions(sub_url, sub_langs):
1515                 parsed_sub_url = compat_urllib_parse_urlparse(sub_url)
1516                 caption_qs = compat_parse_qs(parsed_sub_url.query)
1517                 captions = {}
1518                 for sub_lang in sub_langs:
1519                     sub_formats = []
1520                     for ext in self._SUBTITLE_FORMATS:
1521                         caption_qs.update({
1522                             'tlang': [sub_lang],
1523                             'fmt': [ext],
1524                         })
1525                         sub_url = compat_urlparse.urlunparse(parsed_sub_url._replace(
1526                             query=compat_urllib_parse_urlencode(caption_qs, True)))
1527                         sub_formats.append({
1528                             'url': sub_url,
1529                             'ext': ext,
1530                         })
1531                     captions[sub_lang] = sub_formats
1532                 return captions
1533
1534             # New captions format as of 22.06.2017
1535             player_response = args.get('player_response')
1536             if player_response and isinstance(player_response, compat_str):
1537                 player_response = self._parse_json(
1538                     player_response, video_id, fatal=False)
1539                 if player_response:
1540                     renderer = player_response['captions']['playerCaptionsTracklistRenderer']
1541                     base_url = renderer['captionTracks'][0]['baseUrl']
1542                     sub_lang_list = []
1543                     for lang in renderer['translationLanguages']:
1544                         lang_code = lang.get('languageCode')
1545                         if lang_code:
1546                             sub_lang_list.append(lang_code)
1547                     return make_captions(base_url, sub_lang_list)
1548
1549             # Some videos don't provide ttsurl but rather caption_tracks and
1550             # caption_translation_languages (e.g. 20LmZk1hakA)
1551             # Does not used anymore as of 22.06.2017
1552             caption_tracks = args['caption_tracks']
1553             caption_translation_languages = args['caption_translation_languages']
1554             caption_url = compat_parse_qs(caption_tracks.split(',')[0])['u'][0]
1555             sub_lang_list = []
1556             for lang in caption_translation_languages.split(','):
1557                 lang_qs = compat_parse_qs(compat_urllib_parse_unquote_plus(lang))
1558                 sub_lang = lang_qs.get('lc', [None])[0]
1559                 if sub_lang:
1560                     sub_lang_list.append(sub_lang)
1561             return make_captions(caption_url, sub_lang_list)
1562         # An extractor error can be raise by the download process if there are
1563         # no automatic captions but there are subtitles
1564         except (KeyError, IndexError, ExtractorError):
1565             self._downloader.report_warning(err_msg)
1566             return {}
1567
1568     def _mark_watched(self, video_id, video_info, player_response):
1569         playback_url = url_or_none(try_get(
1570             player_response,
1571             lambda x: x['playbackTracking']['videostatsPlaybackUrl']['baseUrl']) or try_get(
1572             video_info, lambda x: x['videostats_playback_base_url'][0]))
1573         if not playback_url:
1574             return
1575         parsed_playback_url = compat_urlparse.urlparse(playback_url)
1576         qs = compat_urlparse.parse_qs(parsed_playback_url.query)
1577
1578         # cpn generation algorithm is reverse engineered from base.js.
1579         # In fact it works even with dummy cpn.
1580         CPN_ALPHABET = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789-_'
1581         cpn = ''.join((CPN_ALPHABET[random.randint(0, 256) & 63] for _ in range(0, 16)))
1582
1583         qs.update({
1584             'ver': ['2'],
1585             'cpn': [cpn],
1586         })
1587         playback_url = compat_urlparse.urlunparse(
1588             parsed_playback_url._replace(query=compat_urllib_parse_urlencode(qs, True)))
1589
1590         self._download_webpage(
1591             playback_url, video_id, 'Marking watched',
1592             'Unable to mark watched', fatal=False)
1593
1594     @staticmethod
1595     def _extract_urls(webpage):
1596         # Embedded YouTube player
1597         entries = [
1598             unescapeHTML(mobj.group('url'))
1599             for mobj in re.finditer(r'''(?x)
1600             (?:
1601                 <iframe[^>]+?src=|
1602                 data-video-url=|
1603                 <embed[^>]+?src=|
1604                 embedSWF\(?:\s*|
1605                 <object[^>]+data=|
1606                 new\s+SWFObject\(
1607             )
1608             (["\'])
1609                 (?P<url>(?:https?:)?//(?:www\.)?youtube(?:-nocookie)?\.com/
1610                 (?:embed|v|p)/[0-9A-Za-z_-]{11}.*?)
1611             \1''', webpage)]
1612
1613         # lazyYT YouTube embed
1614         entries.extend(list(map(
1615             unescapeHTML,
1616             re.findall(r'class="lazyYT" data-youtube-id="([^"]+)"', webpage))))
1617
1618         # Wordpress "YouTube Video Importer" plugin
1619         matches = re.findall(r'''(?x)<div[^>]+
1620             class=(?P<q1>[\'"])[^\'"]*\byvii_single_video_player\b[^\'"]*(?P=q1)[^>]+
1621             data-video_id=(?P<q2>[\'"])([^\'"]+)(?P=q2)''', webpage)
1622         entries.extend(m[-1] for m in matches)
1623
1624         return entries
1625
1626     @staticmethod
1627     def _extract_url(webpage):
1628         urls = YoutubeIE._extract_urls(webpage)
1629         return urls[0] if urls else None
1630
1631     @classmethod
1632     def extract_id(cls, url):
1633         mobj = re.match(cls._VALID_URL, url, re.VERBOSE)
1634         if mobj is None:
1635             raise ExtractorError('Invalid URL: %s' % url)
1636         video_id = mobj.group(2)
1637         return video_id
1638
1639     @staticmethod
1640     def _extract_chapters(description, duration):
1641         if not description:
1642             return None
1643         chapter_lines = re.findall(
1644             r'(?:^|<br\s*/>)([^<]*<a[^>]+onclick=["\']yt\.www\.watch\.player\.seekTo[^>]+>(\d{1,2}:\d{1,2}(?::\d{1,2})?)</a>[^>]*)(?=$|<br\s*/>)',
1645             description)
1646         if not chapter_lines:
1647             return None
1648         chapters = []
1649         for next_num, (chapter_line, time_point) in enumerate(
1650                 chapter_lines, start=1):
1651             start_time = parse_duration(time_point)
1652             if start_time is None:
1653                 continue
1654             if start_time > duration:
1655                 break
1656             end_time = (duration if next_num == len(chapter_lines)
1657                         else parse_duration(chapter_lines[next_num][1]))
1658             if end_time is None:
1659                 continue
1660             if end_time > duration:
1661                 end_time = duration
1662             if start_time > end_time:
1663                 break
1664             chapter_title = re.sub(
1665                 r'<a[^>]+>[^<]+</a>', '', chapter_line).strip(' \t-')
1666             chapter_title = re.sub(r'\s+', ' ', chapter_title)
1667             chapters.append({
1668                 'start_time': start_time,
1669                 'end_time': end_time,
1670                 'title': chapter_title,
1671             })
1672         return chapters
1673
1674     def _real_extract(self, url):
1675         url, smuggled_data = unsmuggle_url(url, {})
1676
1677         proto = (
1678             'http' if self._downloader.params.get('prefer_insecure', False)
1679             else 'https')
1680
1681         start_time = None
1682         end_time = None
1683         parsed_url = compat_urllib_parse_urlparse(url)
1684         for component in [parsed_url.fragment, parsed_url.query]:
1685             query = compat_parse_qs(component)
1686             if start_time is None and 't' in query:
1687                 start_time = parse_duration(query['t'][0])
1688             if start_time is None and 'start' in query:
1689                 start_time = parse_duration(query['start'][0])
1690             if end_time is None and 'end' in query:
1691                 end_time = parse_duration(query['end'][0])
1692
1693         # Extract original video URL from URL with redirection, like age verification, using next_url parameter
1694         mobj = re.search(self._NEXT_URL_RE, url)
1695         if mobj:
1696             url = proto + '://www.youtube.com/' + compat_urllib_parse_unquote(mobj.group(1)).lstrip('/')
1697         video_id = self.extract_id(url)
1698
1699         # Get video webpage
1700         url = proto + '://www.youtube.com/watch?v=%s&gl=US&hl=en&has_verified=1&bpctr=9999999999' % video_id
1701         video_webpage, urlh = self._download_webpage_handle(url, video_id)
1702
1703         qs = compat_parse_qs(compat_urllib_parse_urlparse(urlh.geturl()).query)
1704         video_id = qs.get('v', [None])[0] or video_id
1705
1706         # Attempt to extract SWF player URL
1707         mobj = re.search(r'swfConfig.*?"(https?:\\/\\/.*?watch.*?-.*?\.swf)"', video_webpage)
1708         if mobj is not None:
1709             player_url = re.sub(r'\\(.)', r'\1', mobj.group(1))
1710         else:
1711             player_url = None
1712
1713         dash_mpds = []
1714
1715         def add_dash_mpd(video_info):
1716             dash_mpd = video_info.get('dashmpd')
1717             if dash_mpd and dash_mpd[0] not in dash_mpds:
1718                 dash_mpds.append(dash_mpd[0])
1719
1720         def add_dash_mpd_pr(pl_response):
1721             dash_mpd = url_or_none(try_get(
1722                 pl_response, lambda x: x['streamingData']['dashManifestUrl'],
1723                 compat_str))
1724             if dash_mpd and dash_mpd not in dash_mpds:
1725                 dash_mpds.append(dash_mpd)
1726
1727         is_live = None
1728         view_count = None
1729
1730         def extract_view_count(v_info):
1731             return int_or_none(try_get(v_info, lambda x: x['view_count'][0]))
1732
1733         def extract_player_response(player_response, video_id):
1734             pl_response = str_or_none(player_response)
1735             if not pl_response:
1736                 return
1737             pl_response = self._parse_json(pl_response, video_id, fatal=False)
1738             if isinstance(pl_response, dict):
1739                 add_dash_mpd_pr(pl_response)
1740                 return pl_response
1741
1742         player_response = {}
1743
1744         # Get video info
1745         video_info = {}
1746         embed_webpage = None
1747         if re.search(r'player-age-gate-content">', video_webpage) is not None:
1748             age_gate = True
1749             # We simulate the access to the video from www.youtube.com/v/{video_id}
1750             # this can be viewed without login into Youtube
1751             url = proto + '://www.youtube.com/embed/%s' % video_id
1752             embed_webpage = self._download_webpage(url, video_id, 'Downloading embed webpage')
1753             data = compat_urllib_parse_urlencode({
1754                 'video_id': video_id,
1755                 'eurl': 'https://youtube.googleapis.com/v/' + video_id,
1756                 'sts': self._search_regex(
1757                     r'"sts"\s*:\s*(\d+)', embed_webpage, 'sts', default=''),
1758             })
1759             video_info_url = proto + '://www.youtube.com/get_video_info?' + data
1760             try:
1761                 video_info_webpage = self._download_webpage(
1762                     video_info_url, video_id,
1763                     note='Refetching age-gated info webpage',
1764                     errnote='unable to download video info webpage')
1765             except ExtractorError:
1766                 video_info_webpage = None
1767             if video_info_webpage:
1768                 video_info = compat_parse_qs(video_info_webpage)
1769                 pl_response = video_info.get('player_response', [None])[0]
1770                 player_response = extract_player_response(pl_response, video_id)
1771                 add_dash_mpd(video_info)
1772                 view_count = extract_view_count(video_info)
1773         else:
1774             age_gate = False
1775             # Try looking directly into the video webpage
1776             ytplayer_config = self._get_ytplayer_config(video_id, video_webpage)
1777             if ytplayer_config:
1778                 args = ytplayer_config['args']
1779                 if args.get('url_encoded_fmt_stream_map') or args.get('hlsvp'):
1780                     # Convert to the same format returned by compat_parse_qs
1781                     video_info = dict((k, [v]) for k, v in args.items())
1782                     add_dash_mpd(video_info)
1783                 # Rental video is not rented but preview is available (e.g.
1784                 # https://www.youtube.com/watch?v=yYr8q0y5Jfg,
1785                 # https://github.com/ytdl-org/youtube-dl/issues/10532)
1786                 if not video_info and args.get('ypc_vid'):
1787                     return self.url_result(
1788                         args['ypc_vid'], YoutubeIE.ie_key(), video_id=args['ypc_vid'])
1789                 if args.get('livestream') == '1' or args.get('live_playback') == 1:
1790                     is_live = True
1791                 if not player_response:
1792                     player_response = extract_player_response(args.get('player_response'), video_id)
1793             if not video_info or self._downloader.params.get('youtube_include_dash_manifest', True):
1794                 add_dash_mpd_pr(player_response)
1795
1796         def extract_unavailable_message():
1797             messages = []
1798             for tag, kind in (('h1', 'message'), ('div', 'submessage')):
1799                 msg = self._html_search_regex(
1800                     r'(?s)<{tag}[^>]+id=["\']unavailable-{kind}["\'][^>]*>(.+?)</{tag}>'.format(tag=tag, kind=kind),
1801                     video_webpage, 'unavailable %s' % kind, default=None)
1802                 if msg:
1803                     messages.append(msg)
1804             if messages:
1805                 return '\n'.join(messages)
1806
1807         if not video_info and not player_response:
1808             unavailable_message = extract_unavailable_message()
1809             if not unavailable_message:
1810                 unavailable_message = 'Unable to extract video data'
1811             raise ExtractorError(
1812                 'YouTube said: %s' % unavailable_message, expected=True, video_id=video_id)
1813
1814         if not isinstance(video_info, dict):
1815             video_info = {}
1816
1817         video_details = try_get(
1818             player_response, lambda x: x['videoDetails'], dict) or {}
1819
1820         video_title = video_info.get('title', [None])[0] or video_details.get('title')
1821         if not video_title:
1822             self._downloader.report_warning('Unable to extract video title')
1823             video_title = '_'
1824
1825         description_original = video_description = get_element_by_id("eow-description", video_webpage)
1826         if video_description:
1827
1828             def replace_url(m):
1829                 redir_url = compat_urlparse.urljoin(url, m.group(1))
1830                 parsed_redir_url = compat_urllib_parse_urlparse(redir_url)
1831                 if re.search(r'^(?:www\.)?(?:youtube(?:-nocookie)?\.com|youtu\.be)$', parsed_redir_url.netloc) and parsed_redir_url.path == '/redirect':
1832                     qs = compat_parse_qs(parsed_redir_url.query)
1833                     q = qs.get('q')
1834                     if q and q[0]:
1835                         return q[0]
1836                 return redir_url
1837
1838             description_original = video_description = re.sub(r'''(?x)
1839                 <a\s+
1840                     (?:[a-zA-Z-]+="[^"]*"\s+)*?
1841                     (?:title|href)="([^"]+)"\s+
1842                     (?:[a-zA-Z-]+="[^"]*"\s+)*?
1843                     class="[^"]*"[^>]*>
1844                 [^<]+\.{3}\s*
1845                 </a>
1846             ''', replace_url, video_description)
1847             video_description = clean_html(video_description)
1848         else:
1849             video_description = self._html_search_meta('description', video_webpage) or video_details.get('shortDescription')
1850
1851         if not smuggled_data.get('force_singlefeed', False):
1852             if not self._downloader.params.get('noplaylist'):
1853                 multifeed_metadata_list = try_get(
1854                     player_response,
1855                     lambda x: x['multicamera']['playerLegacyMulticameraRenderer']['metadataList'],
1856                     compat_str) or try_get(
1857                     video_info, lambda x: x['multifeed_metadata_list'][0], compat_str)
1858                 if multifeed_metadata_list:
1859                     entries = []
1860                     feed_ids = []
1861                     for feed in multifeed_metadata_list.split(','):
1862                         # Unquote should take place before split on comma (,) since textual
1863                         # fields may contain comma as well (see
1864                         # https://github.com/ytdl-org/youtube-dl/issues/8536)
1865                         feed_data = compat_parse_qs(compat_urllib_parse_unquote_plus(feed))
1866
1867                         def feed_entry(name):
1868                             return try_get(feed_data, lambda x: x[name][0], compat_str)
1869
1870                         feed_id = feed_entry('id')
1871                         if not feed_id:
1872                             continue
1873                         feed_title = feed_entry('title')
1874                         title = video_title
1875                         if feed_title:
1876                             title += ' (%s)' % feed_title
1877                         entries.append({
1878                             '_type': 'url_transparent',
1879                             'ie_key': 'Youtube',
1880                             'url': smuggle_url(
1881                                 '%s://www.youtube.com/watch?v=%s' % (proto, feed_data['id'][0]),
1882                                 {'force_singlefeed': True}),
1883                             'title': title,
1884                         })
1885                         feed_ids.append(feed_id)
1886                     self.to_screen(
1887                         'Downloading multifeed video (%s) - add --no-playlist to just download video %s'
1888                         % (', '.join(feed_ids), video_id))
1889                     return self.playlist_result(entries, video_id, video_title, video_description)
1890             else:
1891                 self.to_screen('Downloading just video %s because of --no-playlist' % video_id)
1892
1893         if view_count is None:
1894             view_count = extract_view_count(video_info)
1895         if view_count is None and video_details:
1896             view_count = int_or_none(video_details.get('viewCount'))
1897
1898         if is_live is None:
1899             is_live = bool_or_none(video_details.get('isLive'))
1900
1901         # Check for "rental" videos
1902         if 'ypc_video_rental_bar_text' in video_info and 'author' not in video_info:
1903             raise ExtractorError('"rental" videos not supported. See https://github.com/ytdl-org/youtube-dl/issues/359 for more information.', expected=True)
1904
1905         def _extract_filesize(media_url):
1906             return int_or_none(self._search_regex(
1907                 r'\bclen[=/](\d+)', media_url, 'filesize', default=None))
1908
1909         streaming_formats = try_get(player_response, lambda x: x['streamingData']['formats'], list) or []
1910         streaming_formats.extend(try_get(player_response, lambda x: x['streamingData']['adaptiveFormats'], list) or [])
1911
1912         if 'conn' in video_info and video_info['conn'][0].startswith('rtmp'):
1913             self.report_rtmp_download()
1914             formats = [{
1915                 'format_id': '_rtmp',
1916                 'protocol': 'rtmp',
1917                 'url': video_info['conn'][0],
1918                 'player_url': player_url,
1919             }]
1920         elif not is_live and (streaming_formats or len(video_info.get('url_encoded_fmt_stream_map', [''])[0]) >= 1 or len(video_info.get('adaptive_fmts', [''])[0]) >= 1):
1921             encoded_url_map = video_info.get('url_encoded_fmt_stream_map', [''])[0] + ',' + video_info.get('adaptive_fmts', [''])[0]
1922             if 'rtmpe%3Dyes' in encoded_url_map:
1923                 raise ExtractorError('rtmpe downloads are not supported, see https://github.com/ytdl-org/youtube-dl/issues/343 for more information.', expected=True)
1924             formats = []
1925             formats_spec = {}
1926             fmt_list = video_info.get('fmt_list', [''])[0]
1927             if fmt_list:
1928                 for fmt in fmt_list.split(','):
1929                     spec = fmt.split('/')
1930                     if len(spec) > 1:
1931                         width_height = spec[1].split('x')
1932                         if len(width_height) == 2:
1933                             formats_spec[spec[0]] = {
1934                                 'resolution': spec[1],
1935                                 'width': int_or_none(width_height[0]),
1936                                 'height': int_or_none(width_height[1]),
1937                             }
1938             for fmt in streaming_formats:
1939                 itag = str_or_none(fmt.get('itag'))
1940                 if not itag:
1941                     continue
1942                 quality = fmt.get('quality')
1943                 quality_label = fmt.get('qualityLabel') or quality
1944                 formats_spec[itag] = {
1945                     'asr': int_or_none(fmt.get('audioSampleRate')),
1946                     'filesize': int_or_none(fmt.get('contentLength')),
1947                     'format_note': quality_label,
1948                     'fps': int_or_none(fmt.get('fps')),
1949                     'height': int_or_none(fmt.get('height')),
1950                     # bitrate for itag 43 is always 2147483647
1951                     'tbr': float_or_none(fmt.get('averageBitrate') or fmt.get('bitrate'), 1000) if itag != '43' else None,
1952                     'width': int_or_none(fmt.get('width')),
1953                 }
1954
1955             for fmt in streaming_formats:
1956                 if fmt.get('drmFamilies') or fmt.get('drm_families'):
1957                     continue
1958                 url = url_or_none(fmt.get('url'))
1959
1960                 if not url:
1961                     cipher = fmt.get('cipher')
1962                     if not cipher:
1963                         continue
1964                     url_data = compat_parse_qs(cipher)
1965                     url = url_or_none(try_get(url_data, lambda x: x['url'][0], compat_str))
1966                     if not url:
1967                         continue
1968                 else:
1969                     cipher = None
1970                     url_data = compat_parse_qs(compat_urllib_parse_urlparse(url).query)
1971
1972                 stream_type = int_or_none(try_get(url_data, lambda x: x['stream_type'][0]))
1973                 # Unsupported FORMAT_STREAM_TYPE_OTF
1974                 if stream_type == 3:
1975                     continue
1976
1977                 format_id = fmt.get('itag') or url_data['itag'][0]
1978                 if not format_id:
1979                     continue
1980                 format_id = compat_str(format_id)
1981
1982                 if cipher:
1983                     if 's' in url_data or self._downloader.params.get('youtube_include_dash_manifest', True):
1984                         ASSETS_RE = r'"assets":.+?"js":\s*("[^"]+")'
1985                         jsplayer_url_json = self._search_regex(
1986                             ASSETS_RE,
1987                             embed_webpage if age_gate else video_webpage,
1988                             'JS player URL (1)', default=None)
1989                         if not jsplayer_url_json and not age_gate:
1990                             # We need the embed website after all
1991                             if embed_webpage is None:
1992                                 embed_url = proto + '://www.youtube.com/embed/%s' % video_id
1993                                 embed_webpage = self._download_webpage(
1994                                     embed_url, video_id, 'Downloading embed webpage')
1995                             jsplayer_url_json = self._search_regex(
1996                                 ASSETS_RE, embed_webpage, 'JS player URL')
1997
1998                         player_url = json.loads(jsplayer_url_json)
1999                         if player_url is None:
2000                             player_url_json = self._search_regex(
2001                                 r'ytplayer\.config.*?"url"\s*:\s*("[^"]+")',
2002                                 video_webpage, 'age gate player URL')
2003                             player_url = json.loads(player_url_json)
2004
2005                     if 'sig' in url_data:
2006                         url += '&signature=' + url_data['sig'][0]
2007                     elif 's' in url_data:
2008                         encrypted_sig = url_data['s'][0]
2009
2010                         if self._downloader.params.get('verbose'):
2011                             if player_url is None:
2012                                 player_version = 'unknown'
2013                                 player_desc = 'unknown'
2014                             else:
2015                                 if player_url.endswith('swf'):
2016                                     player_version = self._search_regex(
2017                                         r'-(.+?)(?:/watch_as3)?\.swf$', player_url,
2018                                         'flash player', fatal=False)
2019                                     player_desc = 'flash player %s' % player_version
2020                                 else:
2021                                     player_version = self._search_regex(
2022                                         [r'html5player-([^/]+?)(?:/html5player(?:-new)?)?\.js',
2023                                          r'(?:www|player(?:_ias)?)[-.]([^/]+)(?:/[a-z]{2,3}_[A-Z]{2})?/base\.js'],
2024                                         player_url,
2025                                         'html5 player', fatal=False)
2026                                     player_desc = 'html5 player %s' % player_version
2027
2028                             parts_sizes = self._signature_cache_id(encrypted_sig)
2029                             self.to_screen('{%s} signature length %s, %s' %
2030                                            (format_id, parts_sizes, player_desc))
2031
2032                         signature = self._decrypt_signature(
2033                             encrypted_sig, video_id, player_url, age_gate)
2034                         sp = try_get(url_data, lambda x: x['sp'][0], compat_str) or 'signature'
2035                         url += '&%s=%s' % (sp, signature)
2036                 if 'ratebypass' not in url:
2037                     url += '&ratebypass=yes'
2038
2039                 dct = {
2040                     'format_id': format_id,
2041                     'url': url,
2042                     'player_url': player_url,
2043                 }
2044                 if format_id in self._formats:
2045                     dct.update(self._formats[format_id])
2046                 if format_id in formats_spec:
2047                     dct.update(formats_spec[format_id])
2048
2049                 # Some itags are not included in DASH manifest thus corresponding formats will
2050                 # lack metadata (see https://github.com/ytdl-org/youtube-dl/pull/5993).
2051                 # Trying to extract metadata from url_encoded_fmt_stream_map entry.
2052                 mobj = re.search(r'^(?P<width>\d+)[xX](?P<height>\d+)$', url_data.get('size', [''])[0])
2053                 width, height = (int(mobj.group('width')), int(mobj.group('height'))) if mobj else (None, None)
2054
2055                 if width is None:
2056                     width = int_or_none(fmt.get('width'))
2057                 if height is None:
2058                     height = int_or_none(fmt.get('height'))
2059
2060                 filesize = int_or_none(url_data.get(
2061                     'clen', [None])[0]) or _extract_filesize(url)
2062
2063                 quality = url_data.get('quality', [None])[0] or fmt.get('quality')
2064                 quality_label = url_data.get('quality_label', [None])[0] or fmt.get('qualityLabel')
2065
2066                 tbr = (float_or_none(url_data.get('bitrate', [None])[0], 1000)
2067                        or float_or_none(fmt.get('bitrate'), 1000)) if format_id != '43' else None
2068                 fps = int_or_none(url_data.get('fps', [None])[0]) or int_or_none(fmt.get('fps'))
2069
2070                 more_fields = {
2071                     'filesize': filesize,
2072                     'tbr': tbr,
2073                     'width': width,
2074                     'height': height,
2075                     'fps': fps,
2076                     'format_note': quality_label or quality,
2077                 }
2078                 for key, value in more_fields.items():
2079                     if value:
2080                         dct[key] = value
2081                 type_ = url_data.get('type', [None])[0] or fmt.get('mimeType')
2082                 if type_:
2083                     type_split = type_.split(';')
2084                     kind_ext = type_split[0].split('/')
2085                     if len(kind_ext) == 2:
2086                         kind, _ = kind_ext
2087                         dct['ext'] = mimetype2ext(type_split[0])
2088                         if kind in ('audio', 'video'):
2089                             codecs = None
2090                             for mobj in re.finditer(
2091                                     r'(?P<key>[a-zA-Z_-]+)=(?P<quote>["\']?)(?P<val>.+?)(?P=quote)(?:;|$)', type_):
2092                                 if mobj.group('key') == 'codecs':
2093                                     codecs = mobj.group('val')
2094                                     break
2095                             if codecs:
2096                                 dct.update(parse_codecs(codecs))
2097                 if dct.get('acodec') == 'none' or dct.get('vcodec') == 'none':
2098                     dct['downloader_options'] = {
2099                         # Youtube throttles chunks >~10M
2100                         'http_chunk_size': 10485760,
2101                     }
2102                 formats.append(dct)
2103         else:
2104             manifest_url = (
2105                 url_or_none(try_get(
2106                     player_response,
2107                     lambda x: x['streamingData']['hlsManifestUrl'],
2108                     compat_str))
2109                 or url_or_none(try_get(
2110                     video_info, lambda x: x['hlsvp'][0], compat_str)))
2111             if manifest_url:
2112                 formats = []
2113                 m3u8_formats = self._extract_m3u8_formats(
2114                     manifest_url, video_id, 'mp4', fatal=False)
2115                 for a_format in m3u8_formats:
2116                     itag = self._search_regex(
2117                         r'/itag/(\d+)/', a_format['url'], 'itag', default=None)
2118                     if itag:
2119                         a_format['format_id'] = itag
2120                         if itag in self._formats:
2121                             dct = self._formats[itag].copy()
2122                             dct.update(a_format)
2123                             a_format = dct
2124                     a_format['player_url'] = player_url
2125                     # Accept-Encoding header causes failures in live streams on Youtube and Youtube Gaming
2126                     a_format.setdefault('http_headers', {})['Youtubedl-no-compression'] = 'True'
2127                     formats.append(a_format)
2128             else:
2129                 error_message = extract_unavailable_message()
2130                 if not error_message:
2131                     error_message = clean_html(try_get(
2132                         player_response, lambda x: x['playabilityStatus']['reason'],
2133                         compat_str))
2134                 if not error_message:
2135                     error_message = clean_html(
2136                         try_get(video_info, lambda x: x['reason'][0], compat_str))
2137                 if error_message:
2138                     raise ExtractorError(error_message, expected=True)
2139                 raise ExtractorError('no conn, hlsvp, hlsManifestUrl or url_encoded_fmt_stream_map information found in video info')
2140
2141         # uploader
2142         video_uploader = try_get(
2143             video_info, lambda x: x['author'][0],
2144             compat_str) or str_or_none(video_details.get('author'))
2145         if video_uploader:
2146             video_uploader = compat_urllib_parse_unquote_plus(video_uploader)
2147         else:
2148             self._downloader.report_warning('unable to extract uploader name')
2149
2150         # uploader_id
2151         video_uploader_id = None
2152         video_uploader_url = None
2153         mobj = re.search(
2154             r'<link itemprop="url" href="(?P<uploader_url>https?://www\.youtube\.com/(?:user|channel)/(?P<uploader_id>[^"]+))">',
2155             video_webpage)
2156         if mobj is not None:
2157             video_uploader_id = mobj.group('uploader_id')
2158             video_uploader_url = mobj.group('uploader_url')
2159         else:
2160             self._downloader.report_warning('unable to extract uploader nickname')
2161
2162         channel_id = (
2163             str_or_none(video_details.get('channelId'))
2164             or self._html_search_meta(
2165                 'channelId', video_webpage, 'channel id', default=None)
2166             or self._search_regex(
2167                 r'data-channel-external-id=(["\'])(?P<id>(?:(?!\1).)+)\1',
2168                 video_webpage, 'channel id', default=None, group='id'))
2169         channel_url = 'http://www.youtube.com/channel/%s' % channel_id if channel_id else None
2170
2171         # thumbnail image
2172         # We try first to get a high quality image:
2173         m_thumb = re.search(r'<span itemprop="thumbnail".*?href="(.*?)">',
2174                             video_webpage, re.DOTALL)
2175         if m_thumb is not None:
2176             video_thumbnail = m_thumb.group(1)
2177         elif 'thumbnail_url' not in video_info:
2178             self._downloader.report_warning('unable to extract video thumbnail')
2179             video_thumbnail = None
2180         else:   # don't panic if we can't find it
2181             video_thumbnail = compat_urllib_parse_unquote_plus(video_info['thumbnail_url'][0])
2182
2183         # upload date
2184         upload_date = self._html_search_meta(
2185             'datePublished', video_webpage, 'upload date', default=None)
2186         if not upload_date:
2187             upload_date = self._search_regex(
2188                 [r'(?s)id="eow-date.*?>(.*?)</span>',
2189                  r'(?:id="watch-uploader-info".*?>.*?|["\']simpleText["\']\s*:\s*["\'])(?:Published|Uploaded|Streamed live|Started) on (.+?)[<"\']'],
2190                 video_webpage, 'upload date', default=None)
2191         upload_date = unified_strdate(upload_date)
2192
2193         video_license = self._html_search_regex(
2194             r'<h4[^>]+class="title"[^>]*>\s*License\s*</h4>\s*<ul[^>]*>\s*<li>(.+?)</li',
2195             video_webpage, 'license', default=None)
2196
2197         m_music = re.search(
2198             r'''(?x)
2199                 <h4[^>]+class="title"[^>]*>\s*Music\s*</h4>\s*
2200                 <ul[^>]*>\s*
2201                 <li>(?P<title>.+?)
2202                 by (?P<creator>.+?)
2203                 (?:
2204                     \(.+?\)|
2205                     <a[^>]*
2206                         (?:
2207                             \bhref=["\']/red[^>]*>|             # drop possible
2208                             >\s*Listen ad-free with YouTube Red # YouTube Red ad
2209                         )
2210                     .*?
2211                 )?</li
2212             ''',
2213             video_webpage)
2214         if m_music:
2215             video_alt_title = remove_quotes(unescapeHTML(m_music.group('title')))
2216             video_creator = clean_html(m_music.group('creator'))
2217         else:
2218             video_alt_title = video_creator = None
2219
2220         def extract_meta(field):
2221             return self._html_search_regex(
2222                 r'<h4[^>]+class="title"[^>]*>\s*%s\s*</h4>\s*<ul[^>]*>\s*<li>(.+?)</li>\s*' % field,
2223                 video_webpage, field, default=None)
2224
2225         track = extract_meta('Song')
2226         artist = extract_meta('Artist')
2227         album = extract_meta('Album')
2228
2229         # Youtube Music Auto-generated description
2230         release_date = release_year = None
2231         if video_description:
2232             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)
2233             if mobj:
2234                 if not track:
2235                     track = mobj.group('track').strip()
2236                 if not artist:
2237                     artist = mobj.group('clean_artist') or ', '.join(a.strip() for a in mobj.group('artist').split('·'))
2238                 if not album:
2239                     album = mobj.group('album'.strip())
2240                 release_year = mobj.group('release_year')
2241                 release_date = mobj.group('release_date')
2242                 if release_date:
2243                     release_date = release_date.replace('-', '')
2244                     if not release_year:
2245                         release_year = int(release_date[:4])
2246                 if release_year:
2247                     release_year = int(release_year)
2248
2249         m_episode = re.search(
2250             r'<div[^>]+id="watch7-headline"[^>]*>\s*<span[^>]*>.*?>(?P<series>[^<]+)</a></b>\s*S(?P<season>\d+)\s*•\s*E(?P<episode>\d+)</span>',
2251             video_webpage)
2252         if m_episode:
2253             series = unescapeHTML(m_episode.group('series'))
2254             season_number = int(m_episode.group('season'))
2255             episode_number = int(m_episode.group('episode'))
2256         else:
2257             series = season_number = episode_number = None
2258
2259         m_cat_container = self._search_regex(
2260             r'(?s)<h4[^>]*>\s*Category\s*</h4>\s*<ul[^>]*>(.*?)</ul>',
2261             video_webpage, 'categories', default=None)
2262         if m_cat_container:
2263             category = self._html_search_regex(
2264                 r'(?s)<a[^<]+>(.*?)</a>', m_cat_container, 'category',
2265                 default=None)
2266             video_categories = None if category is None else [category]
2267         else:
2268             video_categories = None
2269
2270         video_tags = [
2271             unescapeHTML(m.group('content'))
2272             for m in re.finditer(self._meta_regex('og:video:tag'), video_webpage)]
2273
2274         def _extract_count(count_name):
2275             return str_to_int(self._search_regex(
2276                 r'-%s-button[^>]+><span[^>]+class="yt-uix-button-content"[^>]*>([\d,]+)</span>'
2277                 % re.escape(count_name),
2278                 video_webpage, count_name, default=None))
2279
2280         like_count = _extract_count('like')
2281         dislike_count = _extract_count('dislike')
2282
2283         if view_count is None:
2284             view_count = str_to_int(self._search_regex(
2285                 r'<[^>]+class=["\']watch-view-count[^>]+>\s*([\d,\s]+)', video_webpage,
2286                 'view count', default=None))
2287
2288         average_rating = (
2289             float_or_none(video_details.get('averageRating'))
2290             or try_get(video_info, lambda x: float_or_none(x['avg_rating'][0])))
2291
2292         # subtitles
2293         video_subtitles = self.extract_subtitles(video_id, video_webpage)
2294         automatic_captions = self.extract_automatic_captions(video_id, video_webpage)
2295
2296         video_duration = try_get(
2297             video_info, lambda x: int_or_none(x['length_seconds'][0]))
2298         if not video_duration:
2299             video_duration = int_or_none(video_details.get('lengthSeconds'))
2300         if not video_duration:
2301             video_duration = parse_duration(self._html_search_meta(
2302                 'duration', video_webpage, 'video duration'))
2303
2304         # annotations
2305         video_annotations = None
2306         if self._downloader.params.get('writeannotations', False):
2307             xsrf_token = self._search_regex(
2308                 r'([\'"])XSRF_TOKEN\1\s*:\s*([\'"])(?P<xsrf_token>[A-Za-z0-9+/=]+)\2',
2309                 video_webpage, 'xsrf token', group='xsrf_token', fatal=False)
2310             invideo_url = try_get(
2311                 player_response, lambda x: x['annotations'][0]['playerAnnotationsUrlsRenderer']['invideoUrl'], compat_str)
2312             if xsrf_token and invideo_url:
2313                 xsrf_field_name = self._search_regex(
2314                     r'([\'"])XSRF_FIELD_NAME\1\s*:\s*([\'"])(?P<xsrf_field_name>\w+)\2',
2315                     video_webpage, 'xsrf field name',
2316                     group='xsrf_field_name', default='session_token')
2317                 video_annotations = self._download_webpage(
2318                     self._proto_relative_url(invideo_url),
2319                     video_id, note='Downloading annotations',
2320                     errnote='Unable to download video annotations', fatal=False,
2321                     data=urlencode_postdata({xsrf_field_name: xsrf_token}))
2322
2323         chapters = self._extract_chapters(description_original, video_duration)
2324
2325         # Look for the DASH manifest
2326         if self._downloader.params.get('youtube_include_dash_manifest', True):
2327             dash_mpd_fatal = True
2328             for mpd_url in dash_mpds:
2329                 dash_formats = {}
2330                 try:
2331                     def decrypt_sig(mobj):
2332                         s = mobj.group(1)
2333                         dec_s = self._decrypt_signature(s, video_id, player_url, age_gate)
2334                         return '/signature/%s' % dec_s
2335
2336                     mpd_url = re.sub(r'/s/([a-fA-F0-9\.]+)', decrypt_sig, mpd_url)
2337
2338                     for df in self._extract_mpd_formats(
2339                             mpd_url, video_id, fatal=dash_mpd_fatal,
2340                             formats_dict=self._formats):
2341                         if not df.get('filesize'):
2342                             df['filesize'] = _extract_filesize(df['url'])
2343                         # Do not overwrite DASH format found in some previous DASH manifest
2344                         if df['format_id'] not in dash_formats:
2345                             dash_formats[df['format_id']] = df
2346                         # Additional DASH manifests may end up in HTTP Error 403 therefore
2347                         # allow them to fail without bug report message if we already have
2348                         # some DASH manifest succeeded. This is temporary workaround to reduce
2349                         # burst of bug reports until we figure out the reason and whether it
2350                         # can be fixed at all.
2351                         dash_mpd_fatal = False
2352                 except (ExtractorError, KeyError) as e:
2353                     self.report_warning(
2354                         'Skipping DASH manifest: %r' % e, video_id)
2355                 if dash_formats:
2356                     # Remove the formats we found through non-DASH, they
2357                     # contain less info and it can be wrong, because we use
2358                     # fixed values (for example the resolution). See
2359                     # https://github.com/ytdl-org/youtube-dl/issues/5774 for an
2360                     # example.
2361                     formats = [f for f in formats if f['format_id'] not in dash_formats.keys()]
2362                     formats.extend(dash_formats.values())
2363
2364         # Check for malformed aspect ratio
2365         stretched_m = re.search(
2366             r'<meta\s+property="og:video:tag".*?content="yt:stretch=(?P<w>[0-9]+):(?P<h>[0-9]+)">',
2367             video_webpage)
2368         if stretched_m:
2369             w = float(stretched_m.group('w'))
2370             h = float(stretched_m.group('h'))
2371             # yt:stretch may hold invalid ratio data (e.g. for Q39EVAstoRM ratio is 17:0).
2372             # We will only process correct ratios.
2373             if w > 0 and h > 0:
2374                 ratio = w / h
2375                 for f in formats:
2376                     if f.get('vcodec') != 'none':
2377                         f['stretched_ratio'] = ratio
2378
2379         if not formats:
2380             if 'reason' in video_info:
2381                 if 'The uploader has not made this video available in your country.' in video_info['reason']:
2382                     regions_allowed = self._html_search_meta(
2383                         'regionsAllowed', video_webpage, default=None)
2384                     countries = regions_allowed.split(',') if regions_allowed else None
2385                     self.raise_geo_restricted(
2386                         msg=video_info['reason'][0], countries=countries)
2387                 reason = video_info['reason'][0]
2388                 if 'Invalid parameters' in reason:
2389                     unavailable_message = extract_unavailable_message()
2390                     if unavailable_message:
2391                         reason = unavailable_message
2392                 raise ExtractorError(
2393                     'YouTube said: %s' % reason,
2394                     expected=True, video_id=video_id)
2395             if video_info.get('license_info') or try_get(player_response, lambda x: x['streamingData']['licenseInfos']):
2396                 raise ExtractorError('This video is DRM protected.', expected=True)
2397
2398         self._sort_formats(formats)
2399
2400         self.mark_watched(video_id, video_info, player_response)
2401
2402         return {
2403             'id': video_id,
2404             'uploader': video_uploader,
2405             'uploader_id': video_uploader_id,
2406             'uploader_url': video_uploader_url,
2407             'channel_id': channel_id,
2408             'channel_url': channel_url,
2409             'upload_date': upload_date,
2410             'license': video_license,
2411             'creator': video_creator or artist,
2412             'title': video_title,
2413             'alt_title': video_alt_title or track,
2414             'thumbnail': video_thumbnail,
2415             'description': video_description,
2416             'categories': video_categories,
2417             'tags': video_tags,
2418             'subtitles': video_subtitles,
2419             'automatic_captions': automatic_captions,
2420             'duration': video_duration,
2421             'age_limit': 18 if age_gate else 0,
2422             'annotations': video_annotations,
2423             'chapters': chapters,
2424             'webpage_url': proto + '://www.youtube.com/watch?v=%s' % video_id,
2425             'view_count': view_count,
2426             'like_count': like_count,
2427             'dislike_count': dislike_count,
2428             'average_rating': average_rating,
2429             'formats': formats,
2430             'is_live': is_live,
2431             'start_time': start_time,
2432             'end_time': end_time,
2433             'series': series,
2434             'season_number': season_number,
2435             'episode_number': episode_number,
2436             'track': track,
2437             'artist': artist,
2438             'album': album,
2439             'release_date': release_date,
2440             'release_year': release_year,
2441         }
2442
2443
2444 class YoutubePlaylistIE(YoutubePlaylistBaseInfoExtractor):
2445     IE_DESC = 'YouTube.com playlists'
2446     _VALID_URL = r"""(?x)(?:
2447                         (?:https?://)?
2448                         (?:\w+\.)?
2449                         (?:
2450                             (?:
2451                                 youtube(?:kids)?\.com|
2452                                 invidio\.us
2453                             )
2454                             /
2455                             (?:
2456                                (?:course|view_play_list|my_playlists|artist|playlist|watch|embed/(?:videoseries|[0-9A-Za-z_-]{11}))
2457                                \? (?:.*?[&;])*? (?:p|a|list)=
2458                             |  p/
2459                             )|
2460                             youtu\.be/[0-9A-Za-z_-]{11}\?.*?\blist=
2461                         )
2462                         (
2463                             (?:PL|LL|EC|UU|FL|RD|UL|TL|PU|OLAK5uy_)?[0-9A-Za-z-_]{10,}
2464                             # Top tracks, they can also include dots
2465                             |(?:MC)[\w\.]*
2466                         )
2467                         .*
2468                      |
2469                         (%(playlist_id)s)
2470                      )""" % {'playlist_id': YoutubeBaseInfoExtractor._PLAYLIST_ID_RE}
2471     _TEMPLATE_URL = 'https://www.youtube.com/playlist?list=%s'
2472     _VIDEO_RE_TPL = r'href="\s*/watch\?v=%s(?:&amp;(?:[^"]*?index=(?P<index>\d+))?(?:[^>]+>(?P<title>[^<]+))?)?'
2473     _VIDEO_RE = _VIDEO_RE_TPL % r'(?P<id>[0-9A-Za-z_-]{11})'
2474     IE_NAME = 'youtube:playlist'
2475     _TESTS = [{
2476         'url': 'https://www.youtube.com/playlist?list=PL4lCao7KL_QFVb7Iudeipvc2BCavECqzc',
2477         'info_dict': {
2478             'uploader_id': 'UCmlqkdCBesrv2Lak1mF_MxA',
2479             'uploader': 'Sergey M.',
2480             'id': 'PL4lCao7KL_QFVb7Iudeipvc2BCavECqzc',
2481             'title': 'youtube-dl public playlist',
2482         },
2483         'playlist_count': 1,
2484     }, {
2485         'url': 'https://www.youtube.com/playlist?list=PL4lCao7KL_QFodcLWhDpGCYnngnHtQ-Xf',
2486         'info_dict': {
2487             'uploader_id': 'UCmlqkdCBesrv2Lak1mF_MxA',
2488             'uploader': 'Sergey M.',
2489             'id': 'PL4lCao7KL_QFodcLWhDpGCYnngnHtQ-Xf',
2490             'title': 'youtube-dl empty playlist',
2491         },
2492         'playlist_count': 0,
2493     }, {
2494         'note': 'Playlist with deleted videos (#651). As a bonus, the video #51 is also twice in this list.',
2495         'url': 'https://www.youtube.com/playlist?list=PLwP_SiAcdui0KVebT0mU9Apz359a4ubsC',
2496         'info_dict': {
2497             'title': '29C3: Not my department',
2498             'id': 'PLwP_SiAcdui0KVebT0mU9Apz359a4ubsC',
2499             'uploader': 'Christiaan008',
2500             'uploader_id': 'ChRiStIaAn008',
2501         },
2502         'playlist_count': 96,
2503     }, {
2504         'note': 'issue #673',
2505         'url': 'PLBB231211A4F62143',
2506         'info_dict': {
2507             'title': '[OLD]Team Fortress 2 (Class-based LP)',
2508             'id': 'PLBB231211A4F62143',
2509             'uploader': 'Wickydoo',
2510             'uploader_id': 'Wickydoo',
2511         },
2512         'playlist_mincount': 26,
2513     }, {
2514         'note': 'Large playlist',
2515         'url': 'https://www.youtube.com/playlist?list=UUBABnxM4Ar9ten8Mdjj1j0Q',
2516         'info_dict': {
2517             'title': 'Uploads from Cauchemar',
2518             'id': 'UUBABnxM4Ar9ten8Mdjj1j0Q',
2519             'uploader': 'Cauchemar',
2520             'uploader_id': 'Cauchemar89',
2521         },
2522         'playlist_mincount': 799,
2523     }, {
2524         'url': 'PLtPgu7CB4gbY9oDN3drwC3cMbJggS7dKl',
2525         'info_dict': {
2526             'title': 'YDL_safe_search',
2527             'id': 'PLtPgu7CB4gbY9oDN3drwC3cMbJggS7dKl',
2528         },
2529         'playlist_count': 2,
2530         'skip': 'This playlist is private',
2531     }, {
2532         'note': 'embedded',
2533         'url': 'https://www.youtube.com/embed/videoseries?list=PL6IaIsEjSbf96XFRuNccS_RuEXwNdsoEu',
2534         'playlist_count': 4,
2535         'info_dict': {
2536             'title': 'JODA15',
2537             'id': 'PL6IaIsEjSbf96XFRuNccS_RuEXwNdsoEu',
2538             'uploader': 'milan',
2539             'uploader_id': 'UCEI1-PVPcYXjB73Hfelbmaw',
2540         }
2541     }, {
2542         'url': 'http://www.youtube.com/embed/_xDOZElKyNU?list=PLsyOSbh5bs16vubvKePAQ1x3PhKavfBIl',
2543         'playlist_mincount': 485,
2544         'info_dict': {
2545             'title': '2018 Chinese New Singles (11/6 updated)',
2546             'id': 'PLsyOSbh5bs16vubvKePAQ1x3PhKavfBIl',
2547             'uploader': 'LBK',
2548             'uploader_id': 'sdragonfang',
2549         }
2550     }, {
2551         'note': 'Embedded SWF player',
2552         'url': 'https://www.youtube.com/p/YN5VISEtHet5D4NEvfTd0zcgFk84NqFZ?hl=en_US&fs=1&rel=0',
2553         'playlist_count': 4,
2554         'info_dict': {
2555             'title': 'JODA7',
2556             'id': 'YN5VISEtHet5D4NEvfTd0zcgFk84NqFZ',
2557         },
2558         'skip': 'This playlist does not exist',
2559     }, {
2560         'note': 'Buggy playlist: the webpage has a "Load more" button but it doesn\'t have more videos',
2561         'url': 'https://www.youtube.com/playlist?list=UUXw-G3eDE9trcvY2sBMM_aA',
2562         'info_dict': {
2563             'title': 'Uploads from Interstellar Movie',
2564             'id': 'UUXw-G3eDE9trcvY2sBMM_aA',
2565             'uploader': 'Interstellar Movie',
2566             'uploader_id': 'InterstellarMovie1',
2567         },
2568         'playlist_mincount': 21,
2569     }, {
2570         # Playlist URL that does not actually serve a playlist
2571         'url': 'https://www.youtube.com/watch?v=FqZTN594JQw&list=PLMYEtVRpaqY00V9W81Cwmzp6N6vZqfUKD4',
2572         'info_dict': {
2573             'id': 'FqZTN594JQw',
2574             'ext': 'webm',
2575             'title': "Smiley's People 01 detective, Adventure Series, Action",
2576             'uploader': 'STREEM',
2577             'uploader_id': 'UCyPhqAZgwYWZfxElWVbVJng',
2578             'uploader_url': r're:https?://(?:www\.)?youtube\.com/channel/UCyPhqAZgwYWZfxElWVbVJng',
2579             'upload_date': '20150526',
2580             'license': 'Standard YouTube License',
2581             'description': 'md5:507cdcb5a49ac0da37a920ece610be80',
2582             'categories': ['People & Blogs'],
2583             'tags': list,
2584             'view_count': int,
2585             'like_count': int,
2586             'dislike_count': int,
2587         },
2588         'params': {
2589             'skip_download': True,
2590         },
2591         'skip': 'This video is not available.',
2592         'add_ie': [YoutubeIE.ie_key()],
2593     }, {
2594         'url': 'https://youtu.be/yeWKywCrFtk?list=PL2qgrgXsNUG5ig9cat4ohreBjYLAPC0J5',
2595         'info_dict': {
2596             'id': 'yeWKywCrFtk',
2597             'ext': 'mp4',
2598             'title': 'Small Scale Baler and Braiding Rugs',
2599             'uploader': 'Backus-Page House Museum',
2600             'uploader_id': 'backuspagemuseum',
2601             'uploader_url': r're:https?://(?:www\.)?youtube\.com/user/backuspagemuseum',
2602             'upload_date': '20161008',
2603             'description': 'md5:800c0c78d5eb128500bffd4f0b4f2e8a',
2604             'categories': ['Nonprofits & Activism'],
2605             'tags': list,
2606             'like_count': int,
2607             'dislike_count': int,
2608         },
2609         'params': {
2610             'noplaylist': True,
2611             'skip_download': True,
2612         },
2613     }, {
2614         # https://github.com/ytdl-org/youtube-dl/issues/21844
2615         'url': 'https://www.youtube.com/playlist?list=PLzH6n4zXuckpfMu_4Ff8E7Z1behQks5ba',
2616         'info_dict': {
2617             'title': 'Data Analysis with Dr Mike Pound',
2618             'id': 'PLzH6n4zXuckpfMu_4Ff8E7Z1behQks5ba',
2619             'uploader_id': 'Computerphile',
2620             'uploader': 'Computerphile',
2621         },
2622         'playlist_mincount': 11,
2623     }, {
2624         'url': 'https://youtu.be/uWyaPkt-VOI?list=PL9D9FC436B881BA21',
2625         'only_matching': True,
2626     }, {
2627         'url': 'TLGGrESM50VT6acwMjAyMjAxNw',
2628         'only_matching': True,
2629     }, {
2630         # music album playlist
2631         'url': 'OLAK5uy_m4xAFdmMC5rX3Ji3g93pQe3hqLZw_9LhM',
2632         'only_matching': True,
2633     }, {
2634         'url': 'https://invidio.us/playlist?list=PLDIoUOhQQPlXr63I_vwF9GD8sAKh77dWU',
2635         'only_matching': True,
2636     }, {
2637         'url': 'https://www.youtubekids.com/watch?v=Agk7R8I8o5U&list=PUZ6jURNr1WQZCNHF0ao-c0g',
2638         'only_matching': True,
2639     }]
2640
2641     def _real_initialize(self):
2642         self._login()
2643
2644     def extract_videos_from_page(self, page):
2645         ids_in_page = []
2646         titles_in_page = []
2647
2648         for item in re.findall(
2649                 r'(<[^>]*\bdata-video-id\s*=\s*["\'][0-9A-Za-z_-]{11}[^>]+>)', page):
2650             attrs = extract_attributes(item)
2651             video_id = attrs['data-video-id']
2652             video_title = unescapeHTML(attrs.get('data-title'))
2653             if video_title:
2654                 video_title = video_title.strip()
2655             ids_in_page.append(video_id)
2656             titles_in_page.append(video_title)
2657
2658         # Fallback with old _VIDEO_RE
2659         self.extract_videos_from_page_impl(
2660             self._VIDEO_RE, page, ids_in_page, titles_in_page)
2661
2662         # Relaxed fallbacks
2663         self.extract_videos_from_page_impl(
2664             r'href="\s*/watch\?v\s*=\s*(?P<id>[0-9A-Za-z_-]{11})', page,
2665             ids_in_page, titles_in_page)
2666         self.extract_videos_from_page_impl(
2667             r'data-video-ids\s*=\s*["\'](?P<id>[0-9A-Za-z_-]{11})', page,
2668             ids_in_page, titles_in_page)
2669
2670         return zip(ids_in_page, titles_in_page)
2671
2672     def _extract_mix(self, playlist_id):
2673         # The mixes are generated from a single video
2674         # the id of the playlist is just 'RD' + video_id
2675         ids = []
2676         last_id = playlist_id[-11:]
2677         for n in itertools.count(1):
2678             url = 'https://youtube.com/watch?v=%s&list=%s' % (last_id, playlist_id)
2679             webpage = self._download_webpage(
2680                 url, playlist_id, 'Downloading page {0} of Youtube mix'.format(n))
2681             new_ids = orderedSet(re.findall(
2682                 r'''(?xs)data-video-username=".*?".*?
2683                            href="/watch\?v=([0-9A-Za-z_-]{11})&amp;[^"]*?list=%s''' % re.escape(playlist_id),
2684                 webpage))
2685             # Fetch new pages until all the videos are repeated, it seems that
2686             # there are always 51 unique videos.
2687             new_ids = [_id for _id in new_ids if _id not in ids]
2688             if not new_ids:
2689                 break
2690             ids.extend(new_ids)
2691             last_id = ids[-1]
2692
2693         url_results = self._ids_to_results(ids)
2694
2695         search_title = lambda class_name: get_element_by_attribute('class', class_name, webpage)
2696         title_span = (
2697             search_title('playlist-title')
2698             or search_title('title long-title')
2699             or search_title('title'))
2700         title = clean_html(title_span)
2701
2702         return self.playlist_result(url_results, playlist_id, title)
2703
2704     def _extract_playlist(self, playlist_id):
2705         url = self._TEMPLATE_URL % playlist_id
2706         page = self._download_webpage(url, playlist_id)
2707
2708         # the yt-alert-message now has tabindex attribute (see https://github.com/ytdl-org/youtube-dl/issues/11604)
2709         for match in re.findall(r'<div class="yt-alert-message"[^>]*>([^<]+)</div>', page):
2710             match = match.strip()
2711             # Check if the playlist exists or is private
2712             mobj = re.match(r'[^<]*(?:The|This) playlist (?P<reason>does not exist|is private)[^<]*', match)
2713             if mobj:
2714                 reason = mobj.group('reason')
2715                 message = 'This playlist %s' % reason
2716                 if 'private' in reason:
2717                     message += ', use --username or --netrc to access it'
2718                 message += '.'
2719                 raise ExtractorError(message, expected=True)
2720             elif re.match(r'[^<]*Invalid parameters[^<]*', match):
2721                 raise ExtractorError(
2722                     'Invalid parameters. Maybe URL is incorrect.',
2723                     expected=True)
2724             elif re.match(r'[^<]*Choose your language[^<]*', match):
2725                 continue
2726             else:
2727                 self.report_warning('Youtube gives an alert message: ' + match)
2728
2729         playlist_title = self._html_search_regex(
2730             r'(?s)<h1 class="pl-header-title[^"]*"[^>]*>\s*(.*?)\s*</h1>',
2731             page, 'title', default=None)
2732
2733         _UPLOADER_BASE = r'class=["\']pl-header-details[^>]+>\s*<li>\s*<a[^>]+\bhref='
2734         uploader = self._html_search_regex(
2735             r'%s["\']/(?:user|channel)/[^>]+>([^<]+)' % _UPLOADER_BASE,
2736             page, 'uploader', default=None)
2737         mobj = re.search(
2738             r'%s(["\'])(?P<path>/(?:user|channel)/(?P<uploader_id>.+?))\1' % _UPLOADER_BASE,
2739             page)
2740         if mobj:
2741             uploader_id = mobj.group('uploader_id')
2742             uploader_url = compat_urlparse.urljoin(url, mobj.group('path'))
2743         else:
2744             uploader_id = uploader_url = None
2745
2746         has_videos = True
2747
2748         if not playlist_title:
2749             try:
2750                 # Some playlist URLs don't actually serve a playlist (e.g.
2751                 # https://www.youtube.com/watch?v=FqZTN594JQw&list=PLMYEtVRpaqY00V9W81Cwmzp6N6vZqfUKD4)
2752                 next(self._entries(page, playlist_id))
2753             except StopIteration:
2754                 has_videos = False
2755
2756         playlist = self.playlist_result(
2757             self._entries(page, playlist_id), playlist_id, playlist_title)
2758         playlist.update({
2759             'uploader': uploader,
2760             'uploader_id': uploader_id,
2761             'uploader_url': uploader_url,
2762         })
2763
2764         return has_videos, playlist
2765
2766     def _check_download_just_video(self, url, playlist_id):
2767         # Check if it's a video-specific URL
2768         query_dict = compat_urlparse.parse_qs(compat_urlparse.urlparse(url).query)
2769         video_id = query_dict.get('v', [None])[0] or self._search_regex(
2770             r'(?:(?:^|//)youtu\.be/|youtube\.com/embed/(?!videoseries))([0-9A-Za-z_-]{11})', url,
2771             'video id', default=None)
2772         if video_id:
2773             if self._downloader.params.get('noplaylist'):
2774                 self.to_screen('Downloading just video %s because of --no-playlist' % video_id)
2775                 return video_id, self.url_result(video_id, 'Youtube', video_id=video_id)
2776             else:
2777                 self.to_screen('Downloading playlist %s - add --no-playlist to just download video %s' % (playlist_id, video_id))
2778                 return video_id, None
2779         return None, None
2780
2781     def _real_extract(self, url):
2782         # Extract playlist id
2783         mobj = re.match(self._VALID_URL, url)
2784         if mobj is None:
2785             raise ExtractorError('Invalid URL: %s' % url)
2786         playlist_id = mobj.group(1) or mobj.group(2)
2787
2788         video_id, video = self._check_download_just_video(url, playlist_id)
2789         if video:
2790             return video
2791
2792         if playlist_id.startswith(('RD', 'UL', 'PU')):
2793             # Mixes require a custom extraction process
2794             return self._extract_mix(playlist_id)
2795
2796         has_videos, playlist = self._extract_playlist(playlist_id)
2797         if has_videos or not video_id:
2798             return playlist
2799
2800         # Some playlist URLs don't actually serve a playlist (see
2801         # https://github.com/ytdl-org/youtube-dl/issues/10537).
2802         # Fallback to plain video extraction if there is a video id
2803         # along with playlist id.
2804         return self.url_result(video_id, 'Youtube', video_id=video_id)
2805
2806
2807 class YoutubeChannelIE(YoutubePlaylistBaseInfoExtractor):
2808     IE_DESC = 'YouTube.com channels'
2809     _VALID_URL = r'https?://(?:youtu\.be|(?:\w+\.)?youtube(?:-nocookie|kids)?\.com|(?:www\.)?invidio\.us)/channel/(?P<id>[0-9A-Za-z_-]+)'
2810     _TEMPLATE_URL = 'https://www.youtube.com/channel/%s/videos'
2811     _VIDEO_RE = r'(?:title="(?P<title>[^"]+)"[^>]+)?href="/watch\?v=(?P<id>[0-9A-Za-z_-]+)&?'
2812     IE_NAME = 'youtube:channel'
2813     _TESTS = [{
2814         'note': 'paginated channel',
2815         'url': 'https://www.youtube.com/channel/UCKfVa3S1e4PHvxWcwyMMg8w',
2816         'playlist_mincount': 91,
2817         'info_dict': {
2818             'id': 'UUKfVa3S1e4PHvxWcwyMMg8w',
2819             'title': 'Uploads from lex will',
2820             'uploader': 'lex will',
2821             'uploader_id': 'UCKfVa3S1e4PHvxWcwyMMg8w',
2822         }
2823     }, {
2824         'note': 'Age restricted channel',
2825         # from https://www.youtube.com/user/DeusExOfficial
2826         'url': 'https://www.youtube.com/channel/UCs0ifCMCm1icqRbqhUINa0w',
2827         'playlist_mincount': 64,
2828         'info_dict': {
2829             'id': 'UUs0ifCMCm1icqRbqhUINa0w',
2830             'title': 'Uploads from Deus Ex',
2831             'uploader': 'Deus Ex',
2832             'uploader_id': 'DeusExOfficial',
2833         },
2834     }, {
2835         'url': 'https://invidio.us/channel/UC23qupoDRn9YOAVzeoxjOQA',
2836         'only_matching': True,
2837     }, {
2838         'url': 'https://www.youtubekids.com/channel/UCyu8StPfZWapR6rfW_JgqcA',
2839         'only_matching': True,
2840     }]
2841
2842     @classmethod
2843     def suitable(cls, url):
2844         return (False if YoutubePlaylistsIE.suitable(url) or YoutubeLiveIE.suitable(url)
2845                 else super(YoutubeChannelIE, cls).suitable(url))
2846
2847     def _build_template_url(self, url, channel_id):
2848         return self._TEMPLATE_URL % channel_id
2849
2850     def _real_extract(self, url):
2851         channel_id = self._match_id(url)
2852
2853         url = self._build_template_url(url, channel_id)
2854
2855         # Channel by page listing is restricted to 35 pages of 30 items, i.e. 1050 videos total (see #5778)
2856         # Workaround by extracting as a playlist if managed to obtain channel playlist URL
2857         # otherwise fallback on channel by page extraction
2858         channel_page = self._download_webpage(
2859             url + '?view=57', channel_id,
2860             'Downloading channel page', fatal=False)
2861         if channel_page is False:
2862             channel_playlist_id = False
2863         else:
2864             channel_playlist_id = self._html_search_meta(
2865                 'channelId', channel_page, 'channel id', default=None)
2866             if not channel_playlist_id:
2867                 channel_url = self._html_search_meta(
2868                     ('al:ios:url', 'twitter:app:url:iphone', 'twitter:app:url:ipad'),
2869                     channel_page, 'channel url', default=None)
2870                 if channel_url:
2871                     channel_playlist_id = self._search_regex(
2872                         r'vnd\.youtube://user/([0-9A-Za-z_-]+)',
2873                         channel_url, 'channel id', default=None)
2874         if channel_playlist_id and channel_playlist_id.startswith('UC'):
2875             playlist_id = 'UU' + channel_playlist_id[2:]
2876             return self.url_result(
2877                 compat_urlparse.urljoin(url, '/playlist?list=%s' % playlist_id), 'YoutubePlaylist')
2878
2879         channel_page = self._download_webpage(url, channel_id, 'Downloading page #1')
2880         autogenerated = re.search(r'''(?x)
2881                 class="[^"]*?(?:
2882                     channel-header-autogenerated-label|
2883                     yt-channel-title-autogenerated
2884                 )[^"]*"''', channel_page) is not None
2885
2886         if autogenerated:
2887             # The videos are contained in a single page
2888             # the ajax pages can't be used, they are empty
2889             entries = [
2890                 self.url_result(
2891                     video_id, 'Youtube', video_id=video_id,
2892                     video_title=video_title)
2893                 for video_id, video_title in self.extract_videos_from_page(channel_page)]
2894             return self.playlist_result(entries, channel_id)
2895
2896         try:
2897             next(self._entries(channel_page, channel_id))
2898         except StopIteration:
2899             alert_message = self._html_search_regex(
2900                 r'(?s)<div[^>]+class=(["\']).*?\byt-alert-message\b.*?\1[^>]*>(?P<alert>[^<]+)</div>',
2901                 channel_page, 'alert', default=None, group='alert')
2902             if alert_message:
2903                 raise ExtractorError('Youtube said: %s' % alert_message, expected=True)
2904
2905         return self.playlist_result(self._entries(channel_page, channel_id), channel_id)
2906
2907
2908 class YoutubeUserIE(YoutubeChannelIE):
2909     IE_DESC = 'YouTube.com user videos (URL or "ytuser" keyword)'
2910     _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_-]+)'
2911     _TEMPLATE_URL = 'https://www.youtube.com/%s/%s/videos'
2912     IE_NAME = 'youtube:user'
2913
2914     _TESTS = [{
2915         'url': 'https://www.youtube.com/user/TheLinuxFoundation',
2916         'playlist_mincount': 320,
2917         'info_dict': {
2918             'id': 'UUfX55Sx5hEFjoC3cNs6mCUQ',
2919             'title': 'Uploads from The Linux Foundation',
2920             'uploader': 'The Linux Foundation',
2921             'uploader_id': 'TheLinuxFoundation',
2922         }
2923     }, {
2924         # Only available via https://www.youtube.com/c/12minuteathlete/videos
2925         # but not https://www.youtube.com/user/12minuteathlete/videos
2926         'url': 'https://www.youtube.com/c/12minuteathlete/videos',
2927         'playlist_mincount': 249,
2928         'info_dict': {
2929             'id': 'UUVjM-zV6_opMDx7WYxnjZiQ',
2930             'title': 'Uploads from 12 Minute Athlete',
2931             'uploader': '12 Minute Athlete',
2932             'uploader_id': 'the12minuteathlete',
2933         }
2934     }, {
2935         'url': 'ytuser:phihag',
2936         'only_matching': True,
2937     }, {
2938         'url': 'https://www.youtube.com/c/gametrailers',
2939         'only_matching': True,
2940     }, {
2941         'url': 'https://www.youtube.com/gametrailers',
2942         'only_matching': True,
2943     }, {
2944         # This channel is not available, geo restricted to JP
2945         'url': 'https://www.youtube.com/user/kananishinoSMEJ/videos',
2946         'only_matching': True,
2947     }]
2948
2949     @classmethod
2950     def suitable(cls, url):
2951         # Don't return True if the url can be extracted with other youtube
2952         # extractor, the regex would is too permissive and it would match.
2953         other_yt_ies = iter(klass for (name, klass) in globals().items() if name.startswith('Youtube') and name.endswith('IE') and klass is not cls)
2954         if any(ie.suitable(url) for ie in other_yt_ies):
2955             return False
2956         else:
2957             return super(YoutubeUserIE, cls).suitable(url)
2958
2959     def _build_template_url(self, url, channel_id):
2960         mobj = re.match(self._VALID_URL, url)
2961         return self._TEMPLATE_URL % (mobj.group('user') or 'user', mobj.group('id'))
2962
2963
2964 class YoutubeLiveIE(YoutubeBaseInfoExtractor):
2965     IE_DESC = 'YouTube.com live streams'
2966     _VALID_URL = r'(?P<base_url>https?://(?:\w+\.)?youtube\.com/(?:(?:user|channel|c)/)?(?P<id>[^/]+))/live'
2967     IE_NAME = 'youtube:live'
2968
2969     _TESTS = [{
2970         'url': 'https://www.youtube.com/user/TheYoungTurks/live',
2971         'info_dict': {
2972             'id': 'a48o2S1cPoo',
2973             'ext': 'mp4',
2974             'title': 'The Young Turks - Live Main Show',
2975             'uploader': 'The Young Turks',
2976             'uploader_id': 'TheYoungTurks',
2977             'uploader_url': r're:https?://(?:www\.)?youtube\.com/user/TheYoungTurks',
2978             'upload_date': '20150715',
2979             'license': 'Standard YouTube License',
2980             'description': 'md5:438179573adcdff3c97ebb1ee632b891',
2981             'categories': ['News & Politics'],
2982             'tags': ['Cenk Uygur (TV Program Creator)', 'The Young Turks (Award-Winning Work)', 'Talk Show (TV Genre)'],
2983             'like_count': int,
2984             'dislike_count': int,
2985         },
2986         'params': {
2987             'skip_download': True,
2988         },
2989     }, {
2990         'url': 'https://www.youtube.com/channel/UC1yBKRuGpC1tSM73A0ZjYjQ/live',
2991         'only_matching': True,
2992     }, {
2993         'url': 'https://www.youtube.com/c/CommanderVideoHq/live',
2994         'only_matching': True,
2995     }, {
2996         'url': 'https://www.youtube.com/TheYoungTurks/live',
2997         'only_matching': True,
2998     }]
2999
3000     def _real_extract(self, url):
3001         mobj = re.match(self._VALID_URL, url)
3002         channel_id = mobj.group('id')
3003         base_url = mobj.group('base_url')
3004         webpage = self._download_webpage(url, channel_id, fatal=False)
3005         if webpage:
3006             page_type = self._og_search_property(
3007                 'type', webpage, 'page type', default='')
3008             video_id = self._html_search_meta(
3009                 'videoId', webpage, 'video id', default=None)
3010             if page_type.startswith('video') and video_id and re.match(
3011                     r'^[0-9A-Za-z_-]{11}$', video_id):
3012                 return self.url_result(video_id, YoutubeIE.ie_key())
3013         return self.url_result(base_url)
3014
3015
3016 class YoutubePlaylistsIE(YoutubePlaylistsBaseInfoExtractor):
3017     IE_DESC = 'YouTube.com user/channel playlists'
3018     _VALID_URL = r'https?://(?:\w+\.)?youtube\.com/(?:user|channel)/(?P<id>[^/]+)/playlists'
3019     IE_NAME = 'youtube:playlists'
3020
3021     _TESTS = [{
3022         'url': 'https://www.youtube.com/user/ThirstForScience/playlists',
3023         'playlist_mincount': 4,
3024         'info_dict': {
3025             'id': 'ThirstForScience',
3026             'title': 'ThirstForScience',
3027         },
3028     }, {
3029         # with "Load more" button
3030         'url': 'https://www.youtube.com/user/igorkle1/playlists?view=1&sort=dd',
3031         'playlist_mincount': 70,
3032         'info_dict': {
3033             'id': 'igorkle1',
3034             'title': 'Игорь Клейнер',
3035         },
3036     }, {
3037         'url': 'https://www.youtube.com/channel/UCiU1dHvZObB2iP6xkJ__Icw/playlists',
3038         'playlist_mincount': 17,
3039         'info_dict': {
3040             'id': 'UCiU1dHvZObB2iP6xkJ__Icw',
3041             'title': 'Chem Player',
3042         },
3043         'skip': 'Blocked',
3044     }]
3045
3046
3047 class YoutubeSearchBaseInfoExtractor(YoutubePlaylistBaseInfoExtractor):
3048     _VIDEO_RE = r'href="\s*/watch\?v=(?P<id>[0-9A-Za-z_-]{11})(?:[^"]*"[^>]+\btitle="(?P<title>[^"]+))?'
3049
3050
3051 class YoutubeSearchIE(SearchInfoExtractor, YoutubeSearchBaseInfoExtractor):
3052     IE_DESC = 'YouTube.com searches'
3053     # there doesn't appear to be a real limit, for example if you search for
3054     # 'python' you get more than 8.000.000 results
3055     _MAX_RESULTS = float('inf')
3056     IE_NAME = 'youtube:search'
3057     _SEARCH_KEY = 'ytsearch'
3058     _EXTRA_QUERY_ARGS = {}
3059     _TESTS = []
3060
3061     def _get_n_results(self, query, n):
3062         """Get a specified number of results for a query"""
3063
3064         videos = []
3065         limit = n
3066
3067         url_query = {
3068             'search_query': query.encode('utf-8'),
3069         }
3070         url_query.update(self._EXTRA_QUERY_ARGS)
3071         result_url = 'https://www.youtube.com/results?' + compat_urllib_parse_urlencode(url_query)
3072
3073         for pagenum in itertools.count(1):
3074             data = self._download_json(
3075                 result_url, video_id='query "%s"' % query,
3076                 note='Downloading page %s' % pagenum,
3077                 errnote='Unable to download API page',
3078                 query={'spf': 'navigate'})
3079             html_content = data[1]['body']['content']
3080
3081             if 'class="search-message' in html_content:
3082                 raise ExtractorError(
3083                     '[youtube] No video results', expected=True)
3084
3085             new_videos = list(self._process_page(html_content))
3086             videos += new_videos
3087             if not new_videos or len(videos) > limit:
3088                 break
3089             next_link = self._html_search_regex(
3090                 r'href="(/results\?[^"]*\bsp=[^"]+)"[^>]*>\s*<span[^>]+class="[^"]*\byt-uix-button-content\b[^"]*"[^>]*>Next',
3091                 html_content, 'next link', default=None)
3092             if next_link is None:
3093                 break
3094             result_url = compat_urlparse.urljoin('https://www.youtube.com/', next_link)
3095
3096         if len(videos) > n:
3097             videos = videos[:n]
3098         return self.playlist_result(videos, query)
3099
3100
3101 class YoutubeSearchDateIE(YoutubeSearchIE):
3102     IE_NAME = YoutubeSearchIE.IE_NAME + ':date'
3103     _SEARCH_KEY = 'ytsearchdate'
3104     IE_DESC = 'YouTube.com searches, newest videos first'
3105     _EXTRA_QUERY_ARGS = {'search_sort': 'video_date_uploaded'}
3106
3107
3108 class YoutubeSearchURLIE(YoutubeSearchBaseInfoExtractor):
3109     IE_DESC = 'YouTube.com search URLs'
3110     IE_NAME = 'youtube:search_url'
3111     _VALID_URL = r'https?://(?:www\.)?youtube\.com/results\?(.*?&)?(?:search_query|q)=(?P<query>[^&]+)(?:[&]|$)'
3112     _TESTS = [{
3113         'url': 'https://www.youtube.com/results?baz=bar&search_query=youtube-dl+test+video&filters=video&lclk=video',
3114         'playlist_mincount': 5,
3115         'info_dict': {
3116             'title': 'youtube-dl test video',
3117         }
3118     }, {
3119         'url': 'https://www.youtube.com/results?q=test&sp=EgQIBBgB',
3120         'only_matching': True,
3121     }]
3122
3123     def _real_extract(self, url):
3124         mobj = re.match(self._VALID_URL, url)
3125         query = compat_urllib_parse_unquote_plus(mobj.group('query'))
3126         webpage = self._download_webpage(url, query)
3127         return self.playlist_result(self._process_page(webpage), playlist_title=query)
3128
3129
3130 class YoutubeShowIE(YoutubePlaylistsBaseInfoExtractor):
3131     IE_DESC = 'YouTube.com (multi-season) shows'
3132     _VALID_URL = r'https?://(?:www\.)?youtube\.com/show/(?P<id>[^?#]*)'
3133     IE_NAME = 'youtube:show'
3134     _TESTS = [{
3135         'url': 'https://www.youtube.com/show/airdisasters',
3136         'playlist_mincount': 5,
3137         'info_dict': {
3138             'id': 'airdisasters',
3139             'title': 'Air Disasters',
3140         }
3141     }]
3142
3143     def _real_extract(self, url):
3144         playlist_id = self._match_id(url)
3145         return super(YoutubeShowIE, self)._real_extract(
3146             'https://www.youtube.com/show/%s/playlists' % playlist_id)
3147
3148
3149 class YoutubeFeedsInfoExtractor(YoutubeBaseInfoExtractor):
3150     """
3151     Base class for feed extractors
3152     Subclasses must define the _FEED_NAME and _PLAYLIST_TITLE properties.
3153     """
3154     _LOGIN_REQUIRED = True
3155
3156     @property
3157     def IE_NAME(self):
3158         return 'youtube:%s' % self._FEED_NAME
3159
3160     def _real_initialize(self):
3161         self._login()
3162
3163     def _entries(self, page):
3164         # The extraction process is the same as for playlists, but the regex
3165         # for the video ids doesn't contain an index
3166         ids = []
3167         more_widget_html = content_html = page
3168         for page_num in itertools.count(1):
3169             matches = re.findall(r'href="\s*/watch\?v=([0-9A-Za-z_-]{11})', content_html)
3170
3171             # 'recommended' feed has infinite 'load more' and each new portion spins
3172             # the same videos in (sometimes) slightly different order, so we'll check
3173             # for unicity and break when portion has no new videos
3174             new_ids = list(filter(lambda video_id: video_id not in ids, orderedSet(matches)))
3175             if not new_ids:
3176                 break
3177
3178             ids.extend(new_ids)
3179
3180             for entry in self._ids_to_results(new_ids):
3181                 yield entry
3182
3183             mobj = re.search(r'data-uix-load-more-href="/?(?P<more>[^"]+)"', more_widget_html)
3184             if not mobj:
3185                 break
3186
3187             more = self._download_json(
3188                 'https://youtube.com/%s' % mobj.group('more'), self._PLAYLIST_TITLE,
3189                 'Downloading page #%s' % page_num,
3190                 transform_source=uppercase_escape)
3191             content_html = more['content_html']
3192             more_widget_html = more['load_more_widget_html']
3193
3194     def _real_extract(self, url):
3195         page = self._download_webpage(
3196             'https://www.youtube.com/feed/%s' % self._FEED_NAME,
3197             self._PLAYLIST_TITLE)
3198         return self.playlist_result(
3199             self._entries(page), playlist_title=self._PLAYLIST_TITLE)
3200
3201
3202 class YoutubeWatchLaterIE(YoutubePlaylistIE):
3203     IE_NAME = 'youtube:watchlater'
3204     IE_DESC = 'Youtube watch later list, ":ytwatchlater" for short (requires authentication)'
3205     _VALID_URL = r'https?://(?:www\.)?youtube\.com/(?:feed/watch_later|(?:playlist|watch)\?(?:.+&)?list=WL)|:ytwatchlater'
3206
3207     _TESTS = [{
3208         'url': 'https://www.youtube.com/playlist?list=WL',
3209         'only_matching': True,
3210     }, {
3211         'url': 'https://www.youtube.com/watch?v=bCNU9TrbiRk&index=1&list=WL',
3212         'only_matching': True,
3213     }]
3214
3215     def _real_extract(self, url):
3216         _, video = self._check_download_just_video(url, 'WL')
3217         if video:
3218             return video
3219         _, playlist = self._extract_playlist('WL')
3220         return playlist
3221
3222
3223 class YoutubeFavouritesIE(YoutubeBaseInfoExtractor):
3224     IE_NAME = 'youtube:favorites'
3225     IE_DESC = 'YouTube.com favourite videos, ":ytfav" for short (requires authentication)'
3226     _VALID_URL = r'https?://(?:www\.)?youtube\.com/my_favorites|:ytfav(?:ou?rites)?'
3227     _LOGIN_REQUIRED = True
3228
3229     def _real_extract(self, url):
3230         webpage = self._download_webpage('https://www.youtube.com/my_favorites', 'Youtube Favourites videos')
3231         playlist_id = self._search_regex(r'list=(.+?)["&]', webpage, 'favourites playlist id')
3232         return self.url_result(playlist_id, 'YoutubePlaylist')
3233
3234
3235 class YoutubeRecommendedIE(YoutubeFeedsInfoExtractor):
3236     IE_DESC = 'YouTube.com recommended videos, ":ytrec" for short (requires authentication)'
3237     _VALID_URL = r'https?://(?:www\.)?youtube\.com/feed/recommended|:ytrec(?:ommended)?'
3238     _FEED_NAME = 'recommended'
3239     _PLAYLIST_TITLE = 'Youtube Recommended videos'
3240
3241
3242 class YoutubeSubscriptionsIE(YoutubeFeedsInfoExtractor):
3243     IE_DESC = 'YouTube.com subscriptions feed, "ytsubs" keyword (requires authentication)'
3244     _VALID_URL = r'https?://(?:www\.)?youtube\.com/feed/subscriptions|:ytsubs(?:criptions)?'
3245     _FEED_NAME = 'subscriptions'
3246     _PLAYLIST_TITLE = 'Youtube Subscriptions'
3247
3248
3249 class YoutubeHistoryIE(YoutubeFeedsInfoExtractor):
3250     IE_DESC = 'Youtube watch history, ":ythistory" for short (requires authentication)'
3251     _VALID_URL = r'https?://(?:www\.)?youtube\.com/feed/history|:ythistory'
3252     _FEED_NAME = 'history'
3253     _PLAYLIST_TITLE = 'Youtube History'
3254
3255
3256 class YoutubeTruncatedURLIE(InfoExtractor):
3257     IE_NAME = 'youtube:truncated_url'
3258     IE_DESC = False  # Do not list
3259     _VALID_URL = r'''(?x)
3260         (?:https?://)?
3261         (?:\w+\.)?[yY][oO][uU][tT][uU][bB][eE](?:-nocookie)?\.com/
3262         (?:watch\?(?:
3263             feature=[a-z_]+|
3264             annotation_id=annotation_[^&]+|
3265             x-yt-cl=[0-9]+|
3266             hl=[^&]*|
3267             t=[0-9]+
3268         )?
3269         |
3270             attribution_link\?a=[^&]+
3271         )
3272         $
3273     '''
3274
3275     _TESTS = [{
3276         'url': 'https://www.youtube.com/watch?annotation_id=annotation_3951667041',
3277         'only_matching': True,
3278     }, {
3279         'url': 'https://www.youtube.com/watch?',
3280         'only_matching': True,
3281     }, {
3282         'url': 'https://www.youtube.com/watch?x-yt-cl=84503534',
3283         'only_matching': True,
3284     }, {
3285         'url': 'https://www.youtube.com/watch?feature=foo',
3286         'only_matching': True,
3287     }, {
3288         'url': 'https://www.youtube.com/watch?hl=en-GB',
3289         'only_matching': True,
3290     }, {
3291         'url': 'https://www.youtube.com/watch?t=2372',
3292         'only_matching': True,
3293     }]
3294
3295     def _real_extract(self, url):
3296         raise ExtractorError(
3297             'Did you forget to quote the URL? Remember that & is a meta '
3298             'character in most shells, so you want to put the URL in quotes, '
3299             'like  youtube-dl '
3300             '"https://www.youtube.com/watch?feature=foo&v=BaW_jenozKc" '
3301             ' or simply  youtube-dl BaW_jenozKc  .',
3302             expected=True)
3303
3304
3305 class YoutubeTruncatedIDIE(InfoExtractor):
3306     IE_NAME = 'youtube:truncated_id'
3307     IE_DESC = False  # Do not list
3308     _VALID_URL = r'https?://(?:www\.)?youtube\.com/watch\?v=(?P<id>[0-9A-Za-z_-]{1,10})$'
3309
3310     _TESTS = [{
3311         'url': 'https://www.youtube.com/watch?v=N_708QY7Ob',
3312         'only_matching': True,
3313     }]
3314
3315     def _real_extract(self, url):
3316         video_id = self._match_id(url)
3317         raise ExtractorError(
3318             'Incomplete YouTube ID %s. URL %s looks truncated.' % (video_id, url),
3319             expected=True)