54ec76db5657570402023259a99354b0cb8dbfdf
[youtube-dl] / youtube_dl / extractor / youtube.py
1 # coding: utf-8
2
3 from __future__ import unicode_literals
4
5
6 import itertools
7 import json
8 import os.path
9 import random
10 import re
11 import time
12 import traceback
13
14 from .common import InfoExtractor, SearchInfoExtractor
15 from ..jsinterp import JSInterpreter
16 from ..swfinterp import SWFInterpreter
17 from ..compat import (
18     compat_chr,
19     compat_HTTPError,
20     compat_kwargs,
21     compat_parse_qs,
22     compat_urllib_parse_unquote,
23     compat_urllib_parse_unquote_plus,
24     compat_urllib_parse_urlencode,
25     compat_urllib_parse_urlparse,
26     compat_urlparse,
27     compat_str,
28 )
29 from ..utils import (
30     bool_or_none,
31     clean_html,
32     error_to_compat_str,
33     extract_attributes,
34     ExtractorError,
35     float_or_none,
36     get_element_by_attribute,
37     get_element_by_id,
38     int_or_none,
39     mimetype2ext,
40     orderedSet,
41     parse_codecs,
42     parse_duration,
43     remove_quotes,
44     remove_start,
45     smuggle_url,
46     str_or_none,
47     str_to_int,
48     try_get,
49     unescapeHTML,
50     unified_strdate,
51     unsmuggle_url,
52     uppercase_escape,
53     url_or_none,
54     urlencode_postdata,
55 )
56
57
58 class YoutubeBaseInfoExtractor(InfoExtractor):
59     """Provide base functions for Youtube extractors"""
60     _LOGIN_URL = 'https://accounts.google.com/ServiceLogin'
61     _TWOFACTOR_URL = 'https://accounts.google.com/signin/challenge'
62
63     _LOOKUP_URL = 'https://accounts.google.com/_/signin/sl/lookup'
64     _CHALLENGE_URL = 'https://accounts.google.com/_/signin/sl/challenge'
65     _TFA_URL = 'https://accounts.google.com/_/signin/challenge?hl=en&TL={0}'
66
67     _NETRC_MACHINE = 'youtube'
68     # If True it will raise an error if no login info is provided
69     _LOGIN_REQUIRED = False
70
71     _PLAYLIST_ID_RE = r'(?:PL|LL|EC|UU|FL|RD|UL|TL|PU|OLAK5uy_)[0-9A-Za-z-_]{10,}'
72
73     def _set_language(self):
74         self._set_cookie(
75             '.youtube.com', 'PREF', 'f1=50000000&hl=en',
76             # YouTube sets the expire time to about two months
77             expire_time=time.time() + 2 * 30 * 24 * 3600)
78
79     def _ids_to_results(self, ids):
80         return [
81             self.url_result(vid_id, 'Youtube', video_id=vid_id)
82             for vid_id in ids]
83
84     def _login(self):
85         """
86         Attempt to log in to YouTube.
87         True is returned if successful or skipped.
88         False is returned if login failed.
89
90         If _LOGIN_REQUIRED is set and no authentication was provided, an error is raised.
91         """
92         username, password = self._get_login_info()
93         # No authentication to be performed
94         if username is None:
95             if self._LOGIN_REQUIRED and self._downloader.params.get('cookiefile') is None:
96                 raise ExtractorError('No login info available, needed for using %s.' % self.IE_NAME, expected=True)
97             return True
98
99         login_page = self._download_webpage(
100             self._LOGIN_URL, None,
101             note='Downloading login page',
102             errnote='unable to fetch login page', fatal=False)
103         if login_page is False:
104             return
105
106         login_form = self._hidden_inputs(login_page)
107
108         def req(url, f_req, note, errnote):
109             data = login_form.copy()
110             data.update({
111                 'pstMsg': 1,
112                 'checkConnection': 'youtube',
113                 'checkedDomains': 'youtube',
114                 'hl': 'en',
115                 'deviceinfo': '[null,null,null,[],null,"US",null,null,[],"GlifWebSignIn",null,[null,null,[]]]',
116                 'f.req': json.dumps(f_req),
117                 'flowName': 'GlifWebSignIn',
118                 'flowEntry': 'ServiceLogin',
119                 # TODO: reverse actual botguard identifier generation algo
120                 'bgRequest': '["identifier",""]',
121             })
122             return self._download_json(
123                 url, None, note=note, errnote=errnote,
124                 transform_source=lambda s: re.sub(r'^[^[]*', '', s),
125                 fatal=False,
126                 data=urlencode_postdata(data), headers={
127                     'Content-Type': 'application/x-www-form-urlencoded;charset=utf-8',
128                     'Google-Accounts-XSRF': 1,
129                 })
130
131         def warn(message):
132             self._downloader.report_warning(message)
133
134         lookup_req = [
135             username,
136             None, [], None, 'US', None, None, 2, False, True,
137             [
138                 None, None,
139                 [2, 1, None, 1,
140                  'https://accounts.google.com/ServiceLogin?passive=true&continue=https%3A%2F%2Fwww.youtube.com%2Fsignin%3Fnext%3D%252F%26action_handle_signin%3Dtrue%26hl%3Den%26app%3Ddesktop%26feature%3Dsign_in_button&hl=en&service=youtube&uilel=3&requestPath=%2FServiceLogin&Page=PasswordSeparationSignIn',
141                  None, [], 4],
142                 1, [None, None, []], None, None, None, True
143             ],
144             username,
145         ]
146
147         lookup_results = req(
148             self._LOOKUP_URL, lookup_req,
149             'Looking up account info', 'Unable to look up account info')
150
151         if lookup_results is False:
152             return False
153
154         user_hash = try_get(lookup_results, lambda x: x[0][2], compat_str)
155         if not user_hash:
156             warn('Unable to extract user hash')
157             return False
158
159         challenge_req = [
160             user_hash,
161             None, 1, None, [1, None, None, None, [password, None, True]],
162             [
163                 None, None, [2, 1, None, 1, 'https://accounts.google.com/ServiceLogin?passive=true&continue=https%3A%2F%2Fwww.youtube.com%2Fsignin%3Fnext%3D%252F%26action_handle_signin%3Dtrue%26hl%3Den%26app%3Ddesktop%26feature%3Dsign_in_button&hl=en&service=youtube&uilel=3&requestPath=%2FServiceLogin&Page=PasswordSeparationSignIn', None, [], 4],
164                 1, [None, None, []], None, None, None, True
165             ]]
166
167         challenge_results = req(
168             self._CHALLENGE_URL, challenge_req,
169             'Logging in', 'Unable to log in')
170
171         if challenge_results is False:
172             return
173
174         login_res = try_get(challenge_results, lambda x: x[0][5], list)
175         if login_res:
176             login_msg = try_get(login_res, lambda x: x[5], compat_str)
177             warn(
178                 'Unable to login: %s' % 'Invalid password'
179                 if login_msg == 'INCORRECT_ANSWER_ENTERED' else login_msg)
180             return False
181
182         res = try_get(challenge_results, lambda x: x[0][-1], list)
183         if not res:
184             warn('Unable to extract result entry')
185             return False
186
187         login_challenge = try_get(res, lambda x: x[0][0], list)
188         if login_challenge:
189             challenge_str = try_get(login_challenge, lambda x: x[2], compat_str)
190             if challenge_str == 'TWO_STEP_VERIFICATION':
191                 # SEND_SUCCESS - TFA code has been successfully sent to phone
192                 # QUOTA_EXCEEDED - reached the limit of TFA codes
193                 status = try_get(login_challenge, lambda x: x[5], compat_str)
194                 if status == 'QUOTA_EXCEEDED':
195                     warn('Exceeded the limit of TFA codes, try later')
196                     return False
197
198                 tl = try_get(challenge_results, lambda x: x[1][2], compat_str)
199                 if not tl:
200                     warn('Unable to extract TL')
201                     return False
202
203                 tfa_code = self._get_tfa_info('2-step verification code')
204
205                 if not tfa_code:
206                     warn(
207                         'Two-factor authentication required. Provide it either interactively or with --twofactor <code>'
208                         '(Note that only TOTP (Google Authenticator App) codes work at this time.)')
209                     return False
210
211                 tfa_code = remove_start(tfa_code, 'G-')
212
213                 tfa_req = [
214                     user_hash, None, 2, None,
215                     [
216                         9, None, None, None, None, None, None, None,
217                         [None, tfa_code, True, 2]
218                     ]]
219
220                 tfa_results = req(
221                     self._TFA_URL.format(tl), tfa_req,
222                     'Submitting TFA code', 'Unable to submit TFA code')
223
224                 if tfa_results is False:
225                     return False
226
227                 tfa_res = try_get(tfa_results, lambda x: x[0][5], list)
228                 if tfa_res:
229                     tfa_msg = try_get(tfa_res, lambda x: x[5], compat_str)
230                     warn(
231                         'Unable to finish TFA: %s' % 'Invalid TFA code'
232                         if tfa_msg == 'INCORRECT_ANSWER_ENTERED' else tfa_msg)
233                     return False
234
235                 check_cookie_url = try_get(
236                     tfa_results, lambda x: x[0][-1][2], compat_str)
237             else:
238                 CHALLENGES = {
239                     'LOGIN_CHALLENGE': "This device isn't recognized. For your security, Google wants to make sure it's really you.",
240                     'USERNAME_RECOVERY': 'Please provide additional information to aid in the recovery process.',
241                     'REAUTH': "There is something unusual about your activity. For your security, Google wants to make sure it's really you.",
242                 }
243                 challenge = CHALLENGES.get(
244                     challenge_str,
245                     '%s returned error %s.' % (self.IE_NAME, challenge_str))
246                 warn('%s\nGo to https://accounts.google.com/, login and solve a challenge.' % challenge)
247                 return False
248         else:
249             check_cookie_url = try_get(res, lambda x: x[2], compat_str)
250
251         if not check_cookie_url:
252             warn('Unable to extract CheckCookie URL')
253             return False
254
255         check_cookie_results = self._download_webpage(
256             check_cookie_url, None, 'Checking cookie', fatal=False)
257
258         if check_cookie_results is False:
259             return False
260
261         if 'https://myaccount.google.com/' not in check_cookie_results:
262             warn('Unable to log in')
263             return False
264
265         return True
266
267     def _download_webpage_handle(self, *args, **kwargs):
268         query = kwargs.get('query', {}).copy()
269         query['disable_polymer'] = 'true'
270         kwargs['query'] = query
271         return super(YoutubeBaseInfoExtractor, self)._download_webpage_handle(
272             *args, **compat_kwargs(kwargs))
273
274     def _real_initialize(self):
275         if self._downloader is None:
276             return
277         self._set_language()
278         if not self._login():
279             return
280
281
282 class YoutubeEntryListBaseInfoExtractor(YoutubeBaseInfoExtractor):
283     # Extract entries from page with "Load more" button
284     def _entries(self, page, playlist_id):
285         more_widget_html = content_html = page
286         for page_num in itertools.count(1):
287             for entry in self._process_page(content_html):
288                 yield entry
289
290             mobj = re.search(r'data-uix-load-more-href="/?(?P<more>[^"]+)"', more_widget_html)
291             if not mobj:
292                 break
293
294             count = 0
295             retries = 3
296             while count <= retries:
297                 try:
298                     # Downloading page may result in intermittent 5xx HTTP error
299                     # that is usually worked around with a retry
300                     more = self._download_json(
301                         'https://youtube.com/%s' % mobj.group('more'), playlist_id,
302                         'Downloading page #%s%s'
303                         % (page_num, ' (retry #%d)' % count if count else ''),
304                         transform_source=uppercase_escape)
305                     break
306                 except ExtractorError as e:
307                     if isinstance(e.cause, compat_HTTPError) and e.cause.code in (500, 503):
308                         count += 1
309                         if count <= retries:
310                             continue
311                     raise
312
313             content_html = more['content_html']
314             if not content_html.strip():
315                 # Some webpages show a "Load more" button but they don't
316                 # have more videos
317                 break
318             more_widget_html = more['load_more_widget_html']
319
320
321 class YoutubePlaylistBaseInfoExtractor(YoutubeEntryListBaseInfoExtractor):
322     def _process_page(self, content):
323         for video_id, video_title in self.extract_videos_from_page(content):
324             yield self.url_result(video_id, 'Youtube', video_id, video_title)
325
326     def extract_videos_from_page_impl(self, video_re, page, ids_in_page, titles_in_page):
327         for mobj in re.finditer(video_re, page):
328             # The link with index 0 is not the first video of the playlist (not sure if still actual)
329             if 'index' in mobj.groupdict() and mobj.group('id') == '0':
330                 continue
331             video_id = mobj.group('id')
332             video_title = unescapeHTML(
333                 mobj.group('title')) if 'title' in mobj.groupdict() else None
334             if video_title:
335                 video_title = video_title.strip()
336             if video_title == '► Play all':
337                 video_title = None
338             try:
339                 idx = ids_in_page.index(video_id)
340                 if video_title and not titles_in_page[idx]:
341                     titles_in_page[idx] = video_title
342             except ValueError:
343                 ids_in_page.append(video_id)
344                 titles_in_page.append(video_title)
345
346     def extract_videos_from_page(self, page):
347         ids_in_page = []
348         titles_in_page = []
349         self.extract_videos_from_page_impl(
350             self._VIDEO_RE, page, ids_in_page, titles_in_page)
351         return zip(ids_in_page, titles_in_page)
352
353
354 class YoutubePlaylistsBaseInfoExtractor(YoutubeEntryListBaseInfoExtractor):
355     def _process_page(self, content):
356         for playlist_id in orderedSet(re.findall(
357                 r'<h3[^>]+class="[^"]*yt-lockup-title[^"]*"[^>]*><a[^>]+href="/?playlist\?list=([0-9A-Za-z-_]{10,})"',
358                 content)):
359             yield self.url_result(
360                 'https://www.youtube.com/playlist?list=%s' % playlist_id, 'YoutubePlaylist')
361
362     def _real_extract(self, url):
363         playlist_id = self._match_id(url)
364         webpage = self._download_webpage(url, playlist_id)
365         title = self._og_search_title(webpage, fatal=False)
366         return self.playlist_result(self._entries(webpage, playlist_id), playlist_id, title)
367
368
369 class YoutubeIE(YoutubeBaseInfoExtractor):
370     IE_DESC = 'YouTube.com'
371     _VALID_URL = r"""(?x)^
372                      (
373                          (?:https?://|//)                                    # http(s):// or protocol-independent URL
374                          (?:(?:(?:(?:\w+\.)?[yY][oO][uU][tT][uU][bB][eE](?:-nocookie|kids)?\.com/|
375                             (?:www\.)?deturl\.com/www\.youtube\.com/|
376                             (?:www\.)?pwnyoutube\.com/|
377                             (?:www\.)?hooktube\.com/|
378                             (?:www\.)?yourepeat\.com/|
379                             tube\.majestyc\.net/|
380                             # Invidious instances taken from https://github.com/omarroth/invidious/wiki/Invidious-Instances
381                             (?:(?:www|dev)\.)?invidio\.us/|
382                             (?:(?:www|no)\.)?invidiou\.sh/|
383                             (?:(?:www|fi|de)\.)?invidious\.snopyta\.org/|
384                             (?:www\.)?invidious\.kabi\.tk/|
385                             (?:www\.)?invidious\.13ad\.de/|
386                             (?:www\.)?invidious\.mastodon\.host/|
387                             (?:www\.)?invidious\.nixnet\.xyz/|
388                             (?:www\.)?invidious\.drycat\.fr/|
389                             (?:www\.)?tube\.poal\.co/|
390                             (?:www\.)?vid\.wxzm\.sx/|
391                             (?:www\.)?yewtu\.be/|
392                             (?:www\.)?yt\.elukerio\.org/|
393                             (?:www\.)?yt\.lelux\.fi/|
394                             (?:www\.)?invidious\.ggc-project\.de/|
395                             (?:www\.)?yt\.maisputain\.ovh/|
396                             (?:www\.)?invidious\.13ad\.de/|
397                             (?:www\.)?invidious\.toot\.koeln/|
398                             (?:www\.)?invidious\.fdn\.fr/|
399                             (?:www\.)?watch\.nettohikari\.com/|
400                             (?:www\.)?kgg2m7yk5aybusll\.onion/|
401                             (?:www\.)?qklhadlycap4cnod\.onion/|
402                             (?:www\.)?axqzx4s6s54s32yentfqojs3x5i7faxza6xo3ehd4bzzsg2ii4fv2iid\.onion/|
403                             (?:www\.)?c7hqkpkpemu6e7emz5b4vyz7idjgdvgaaa3dyimmeojqbgpea3xqjoid\.onion/|
404                             (?:www\.)?fz253lmuao3strwbfbmx46yu7acac2jz27iwtorgmbqlkurlclmancad\.onion/|
405                             (?:www\.)?invidious\.l4qlywnpwqsluw65ts7md3khrivpirse744un3x7mlskqauz5pyuzgqd\.onion/|
406                             (?:www\.)?owxfohz4kjyv25fvlqilyxast7inivgiktls3th44jhk3ej3i7ya\.b32\.i2p/|
407                             (?:www\.)?4l2dgddgsrkf2ous66i6seeyi6etzfgrue332grh2n7madpwopotugyd\.onion/|
408                             youtube\.googleapis\.com/)                        # the various hostnames, with wildcard subdomains
409                          (?:.*?\#/)?                                          # handle anchor (#/) redirect urls
410                          (?:                                                  # the various things that can precede the ID:
411                              (?:(?:v|embed|e)/(?!videoseries))                # v/ or embed/ or e/
412                              |(?:                                             # or the v= param in all its forms
413                                  (?:(?:watch|movie)(?:_popup)?(?:\.php)?/?)?  # preceding watch(_popup|.php) or nothing (like /?v=xxxx)
414                                  (?:\?|\#!?)                                  # the params delimiter ? or # or #!
415                                  (?:.*?[&;])??                                # any other preceding param (like /?s=tuff&v=xxxx or ?s=tuff&amp;v=V36LpHqtcDY)
416                                  v=
417                              )
418                          ))
419                          |(?:
420                             youtu\.be|                                        # just youtu.be/xxxx
421                             vid\.plus|                                        # or vid.plus/xxxx
422                             zwearz\.com/watch|                                # or zwearz.com/watch/xxxx
423                          )/
424                          |(?:www\.)?cleanvideosearch\.com/media/action/yt/watch\?videoId=
425                          )
426                      )?                                                       # all until now is optional -> you can pass the naked ID
427                      ([0-9A-Za-z_-]{11})                                      # here is it! the YouTube video ID
428                      (?!.*?\blist=
429                         (?:
430                             %(playlist_id)s|                                  # combined list/video URLs are handled by the playlist IE
431                             WL                                                # WL are handled by the watch later IE
432                         )
433                      )
434                      (?(1).+)?                                                # if we found the ID, everything can follow
435                      $""" % {'playlist_id': YoutubeBaseInfoExtractor._PLAYLIST_ID_RE}
436     _NEXT_URL_RE = r'[\?&]next_url=([^&]+)'
437     _PLAYER_INFO_RE = (
438         r'/(?P<id>[a-zA-Z0-9_-]{8,})/player_ias\.vflset(?:/[a-zA-Z]{2,3}_[a-zA-Z]{2,3})?/base\.(?P<ext>[a-z]+)$',
439         r'\b(?P<id>vfl[a-zA-Z0-9_-]+)\b.*?\.(?P<ext>[a-z]+)$',
440     )
441     _formats = {
442         '5': {'ext': 'flv', 'width': 400, 'height': 240, 'acodec': 'mp3', 'abr': 64, 'vcodec': 'h263'},
443         '6': {'ext': 'flv', 'width': 450, 'height': 270, 'acodec': 'mp3', 'abr': 64, 'vcodec': 'h263'},
444         '13': {'ext': '3gp', 'acodec': 'aac', 'vcodec': 'mp4v'},
445         '17': {'ext': '3gp', 'width': 176, 'height': 144, 'acodec': 'aac', 'abr': 24, 'vcodec': 'mp4v'},
446         '18': {'ext': 'mp4', 'width': 640, 'height': 360, 'acodec': 'aac', 'abr': 96, 'vcodec': 'h264'},
447         '22': {'ext': 'mp4', 'width': 1280, 'height': 720, 'acodec': 'aac', 'abr': 192, 'vcodec': 'h264'},
448         '34': {'ext': 'flv', 'width': 640, 'height': 360, 'acodec': 'aac', 'abr': 128, 'vcodec': 'h264'},
449         '35': {'ext': 'flv', 'width': 854, 'height': 480, 'acodec': 'aac', 'abr': 128, 'vcodec': 'h264'},
450         # itag 36 videos are either 320x180 (BaW_jenozKc) or 320x240 (__2ABJjxzNo), abr varies as well
451         '36': {'ext': '3gp', 'width': 320, 'acodec': 'aac', 'vcodec': 'mp4v'},
452         '37': {'ext': 'mp4', 'width': 1920, 'height': 1080, 'acodec': 'aac', 'abr': 192, 'vcodec': 'h264'},
453         '38': {'ext': 'mp4', 'width': 4096, 'height': 3072, 'acodec': 'aac', 'abr': 192, 'vcodec': 'h264'},
454         '43': {'ext': 'webm', 'width': 640, 'height': 360, 'acodec': 'vorbis', 'abr': 128, 'vcodec': 'vp8'},
455         '44': {'ext': 'webm', 'width': 854, 'height': 480, 'acodec': 'vorbis', 'abr': 128, 'vcodec': 'vp8'},
456         '45': {'ext': 'webm', 'width': 1280, 'height': 720, 'acodec': 'vorbis', 'abr': 192, 'vcodec': 'vp8'},
457         '46': {'ext': 'webm', 'width': 1920, 'height': 1080, 'acodec': 'vorbis', 'abr': 192, 'vcodec': 'vp8'},
458         '59': {'ext': 'mp4', 'width': 854, 'height': 480, 'acodec': 'aac', 'abr': 128, 'vcodec': 'h264'},
459         '78': {'ext': 'mp4', 'width': 854, 'height': 480, 'acodec': 'aac', 'abr': 128, 'vcodec': 'h264'},
460
461
462         # 3D videos
463         '82': {'ext': 'mp4', 'height': 360, 'format_note': '3D', 'acodec': 'aac', 'abr': 128, 'vcodec': 'h264', 'preference': -20},
464         '83': {'ext': 'mp4', 'height': 480, 'format_note': '3D', 'acodec': 'aac', 'abr': 128, 'vcodec': 'h264', 'preference': -20},
465         '84': {'ext': 'mp4', 'height': 720, 'format_note': '3D', 'acodec': 'aac', 'abr': 192, 'vcodec': 'h264', 'preference': -20},
466         '85': {'ext': 'mp4', 'height': 1080, 'format_note': '3D', 'acodec': 'aac', 'abr': 192, 'vcodec': 'h264', 'preference': -20},
467         '100': {'ext': 'webm', 'height': 360, 'format_note': '3D', 'acodec': 'vorbis', 'abr': 128, 'vcodec': 'vp8', 'preference': -20},
468         '101': {'ext': 'webm', 'height': 480, 'format_note': '3D', 'acodec': 'vorbis', 'abr': 192, 'vcodec': 'vp8', 'preference': -20},
469         '102': {'ext': 'webm', 'height': 720, 'format_note': '3D', 'acodec': 'vorbis', 'abr': 192, 'vcodec': 'vp8', 'preference': -20},
470
471         # Apple HTTP Live Streaming
472         '91': {'ext': 'mp4', 'height': 144, 'format_note': 'HLS', 'acodec': 'aac', 'abr': 48, 'vcodec': 'h264', 'preference': -10},
473         '92': {'ext': 'mp4', 'height': 240, 'format_note': 'HLS', 'acodec': 'aac', 'abr': 48, 'vcodec': 'h264', 'preference': -10},
474         '93': {'ext': 'mp4', 'height': 360, 'format_note': 'HLS', 'acodec': 'aac', 'abr': 128, 'vcodec': 'h264', 'preference': -10},
475         '94': {'ext': 'mp4', 'height': 480, 'format_note': 'HLS', 'acodec': 'aac', 'abr': 128, 'vcodec': 'h264', 'preference': -10},
476         '95': {'ext': 'mp4', 'height': 720, 'format_note': 'HLS', 'acodec': 'aac', 'abr': 256, 'vcodec': 'h264', 'preference': -10},
477         '96': {'ext': 'mp4', 'height': 1080, 'format_note': 'HLS', 'acodec': 'aac', 'abr': 256, 'vcodec': 'h264', 'preference': -10},
478         '132': {'ext': 'mp4', 'height': 240, 'format_note': 'HLS', 'acodec': 'aac', 'abr': 48, 'vcodec': 'h264', 'preference': -10},
479         '151': {'ext': 'mp4', 'height': 72, 'format_note': 'HLS', 'acodec': 'aac', 'abr': 24, 'vcodec': 'h264', 'preference': -10},
480
481         # DASH mp4 video
482         '133': {'ext': 'mp4', 'height': 240, 'format_note': 'DASH video', 'vcodec': 'h264'},
483         '134': {'ext': 'mp4', 'height': 360, 'format_note': 'DASH video', 'vcodec': 'h264'},
484         '135': {'ext': 'mp4', 'height': 480, 'format_note': 'DASH video', 'vcodec': 'h264'},
485         '136': {'ext': 'mp4', 'height': 720, 'format_note': 'DASH video', 'vcodec': 'h264'},
486         '137': {'ext': 'mp4', 'height': 1080, 'format_note': 'DASH video', 'vcodec': 'h264'},
487         '138': {'ext': 'mp4', 'format_note': 'DASH video', 'vcodec': 'h264'},  # Height can vary (https://github.com/ytdl-org/youtube-dl/issues/4559)
488         '160': {'ext': 'mp4', 'height': 144, 'format_note': 'DASH video', 'vcodec': 'h264'},
489         '212': {'ext': 'mp4', 'height': 480, 'format_note': 'DASH video', 'vcodec': 'h264'},
490         '264': {'ext': 'mp4', 'height': 1440, 'format_note': 'DASH video', 'vcodec': 'h264'},
491         '298': {'ext': 'mp4', 'height': 720, 'format_note': 'DASH video', 'vcodec': 'h264', 'fps': 60},
492         '299': {'ext': 'mp4', 'height': 1080, 'format_note': 'DASH video', 'vcodec': 'h264', 'fps': 60},
493         '266': {'ext': 'mp4', 'height': 2160, 'format_note': 'DASH video', 'vcodec': 'h264'},
494
495         # Dash mp4 audio
496         '139': {'ext': 'm4a', 'format_note': 'DASH audio', 'acodec': 'aac', 'abr': 48, 'container': 'm4a_dash'},
497         '140': {'ext': 'm4a', 'format_note': 'DASH audio', 'acodec': 'aac', 'abr': 128, 'container': 'm4a_dash'},
498         '141': {'ext': 'm4a', 'format_note': 'DASH audio', 'acodec': 'aac', 'abr': 256, 'container': 'm4a_dash'},
499         '256': {'ext': 'm4a', 'format_note': 'DASH audio', 'acodec': 'aac', 'container': 'm4a_dash'},
500         '258': {'ext': 'm4a', 'format_note': 'DASH audio', 'acodec': 'aac', 'container': 'm4a_dash'},
501         '325': {'ext': 'm4a', 'format_note': 'DASH audio', 'acodec': 'dtse', 'container': 'm4a_dash'},
502         '328': {'ext': 'm4a', 'format_note': 'DASH audio', 'acodec': 'ec-3', 'container': 'm4a_dash'},
503
504         # Dash webm
505         '167': {'ext': 'webm', 'height': 360, 'width': 640, 'format_note': 'DASH video', 'container': 'webm', 'vcodec': 'vp8'},
506         '168': {'ext': 'webm', 'height': 480, 'width': 854, 'format_note': 'DASH video', 'container': 'webm', 'vcodec': 'vp8'},
507         '169': {'ext': 'webm', 'height': 720, 'width': 1280, 'format_note': 'DASH video', 'container': 'webm', 'vcodec': 'vp8'},
508         '170': {'ext': 'webm', 'height': 1080, 'width': 1920, 'format_note': 'DASH video', 'container': 'webm', 'vcodec': 'vp8'},
509         '218': {'ext': 'webm', 'height': 480, 'width': 854, 'format_note': 'DASH video', 'container': 'webm', 'vcodec': 'vp8'},
510         '219': {'ext': 'webm', 'height': 480, 'width': 854, 'format_note': 'DASH video', 'container': 'webm', 'vcodec': 'vp8'},
511         '278': {'ext': 'webm', 'height': 144, 'format_note': 'DASH video', 'container': 'webm', 'vcodec': 'vp9'},
512         '242': {'ext': 'webm', 'height': 240, 'format_note': 'DASH video', 'vcodec': 'vp9'},
513         '243': {'ext': 'webm', 'height': 360, 'format_note': 'DASH video', 'vcodec': 'vp9'},
514         '244': {'ext': 'webm', 'height': 480, 'format_note': 'DASH video', 'vcodec': 'vp9'},
515         '245': {'ext': 'webm', 'height': 480, 'format_note': 'DASH video', 'vcodec': 'vp9'},
516         '246': {'ext': 'webm', 'height': 480, 'format_note': 'DASH video', 'vcodec': 'vp9'},
517         '247': {'ext': 'webm', 'height': 720, 'format_note': 'DASH video', 'vcodec': 'vp9'},
518         '248': {'ext': 'webm', 'height': 1080, 'format_note': 'DASH video', 'vcodec': 'vp9'},
519         '271': {'ext': 'webm', 'height': 1440, 'format_note': 'DASH video', 'vcodec': 'vp9'},
520         # itag 272 videos are either 3840x2160 (e.g. RtoitU2A-3E) or 7680x4320 (sLprVF6d7Ug)
521         '272': {'ext': 'webm', 'height': 2160, 'format_note': 'DASH video', 'vcodec': 'vp9'},
522         '302': {'ext': 'webm', 'height': 720, 'format_note': 'DASH video', 'vcodec': 'vp9', 'fps': 60},
523         '303': {'ext': 'webm', 'height': 1080, 'format_note': 'DASH video', 'vcodec': 'vp9', 'fps': 60},
524         '308': {'ext': 'webm', 'height': 1440, 'format_note': 'DASH video', 'vcodec': 'vp9', 'fps': 60},
525         '313': {'ext': 'webm', 'height': 2160, 'format_note': 'DASH video', 'vcodec': 'vp9'},
526         '315': {'ext': 'webm', 'height': 2160, 'format_note': 'DASH video', 'vcodec': 'vp9', 'fps': 60},
527
528         # Dash webm audio
529         '171': {'ext': 'webm', 'acodec': 'vorbis', 'format_note': 'DASH audio', 'abr': 128},
530         '172': {'ext': 'webm', 'acodec': 'vorbis', 'format_note': 'DASH audio', 'abr': 256},
531
532         # Dash webm audio with opus inside
533         '249': {'ext': 'webm', 'format_note': 'DASH audio', 'acodec': 'opus', 'abr': 50},
534         '250': {'ext': 'webm', 'format_note': 'DASH audio', 'acodec': 'opus', 'abr': 70},
535         '251': {'ext': 'webm', 'format_note': 'DASH audio', 'acodec': 'opus', 'abr': 160},
536
537         # RTMP (unnamed)
538         '_rtmp': {'protocol': 'rtmp'},
539
540         # av01 video only formats sometimes served with "unknown" codecs
541         '394': {'acodec': 'none', 'vcodec': 'av01.0.05M.08'},
542         '395': {'acodec': 'none', 'vcodec': 'av01.0.05M.08'},
543         '396': {'acodec': 'none', 'vcodec': 'av01.0.05M.08'},
544         '397': {'acodec': 'none', 'vcodec': 'av01.0.05M.08'},
545     }
546     _SUBTITLE_FORMATS = ('srv1', 'srv2', 'srv3', 'ttml', 'vtt')
547
548     _GEO_BYPASS = False
549
550     IE_NAME = 'youtube'
551     _TESTS = [
552         {
553             'url': 'https://www.youtube.com/watch?v=BaW_jenozKc&t=1s&end=9',
554             'info_dict': {
555                 'id': 'BaW_jenozKc',
556                 'ext': 'mp4',
557                 'title': 'youtube-dl test video "\'/\\ä↭𝕐',
558                 'uploader': 'Philipp Hagemeister',
559                 'uploader_id': 'phihag',
560                 'uploader_url': r're:https?://(?:www\.)?youtube\.com/user/phihag',
561                 'channel_id': 'UCLqxVugv74EIW3VWh2NOa3Q',
562                 'channel_url': r're:https?://(?:www\.)?youtube\.com/channel/UCLqxVugv74EIW3VWh2NOa3Q',
563                 'upload_date': '20121002',
564                 'description': 'test chars:  "\'/\\ä↭𝕐\ntest URL: https://github.com/rg3/youtube-dl/issues/1892\n\nThis is a test video for youtube-dl.\n\nFor more information, contact phihag@phihag.de .',
565                 'categories': ['Science & Technology'],
566                 'tags': ['youtube-dl'],
567                 'duration': 10,
568                 'view_count': int,
569                 'like_count': int,
570                 'dislike_count': int,
571                 'start_time': 1,
572                 'end_time': 9,
573             }
574         },
575         {
576             'url': 'https://www.youtube.com/watch?v=UxxajLWwzqY',
577             'note': 'Test generic use_cipher_signature video (#897)',
578             'info_dict': {
579                 'id': 'UxxajLWwzqY',
580                 'ext': 'mp4',
581                 'upload_date': '20120506',
582                 'title': 'Icona Pop - I Love It (feat. Charli XCX) [OFFICIAL VIDEO]',
583                 'alt_title': 'I Love It (feat. Charli XCX)',
584                 'description': 'md5:19a2f98d9032b9311e686ed039564f63',
585                 'tags': ['Icona Pop i love it', 'sweden', 'pop music', 'big beat records', 'big beat', 'charli',
586                          'xcx', 'charli xcx', 'girls', 'hbo', 'i love it', "i don't care", 'icona', 'pop',
587                          'iconic ep', 'iconic', 'love', 'it'],
588                 'duration': 180,
589                 'uploader': 'Icona Pop',
590                 'uploader_id': 'IconaPop',
591                 'uploader_url': r're:https?://(?:www\.)?youtube\.com/user/IconaPop',
592                 'creator': 'Icona Pop',
593                 'track': 'I Love It (feat. Charli XCX)',
594                 'artist': 'Icona Pop',
595             }
596         },
597         {
598             'url': 'https://www.youtube.com/watch?v=07FYdnEawAQ',
599             'note': 'Test VEVO video with age protection (#956)',
600             'info_dict': {
601                 'id': '07FYdnEawAQ',
602                 'ext': 'mp4',
603                 'upload_date': '20130703',
604                 'title': 'Justin Timberlake - Tunnel Vision (Official Music Video) (Explicit)',
605                 'alt_title': 'Tunnel Vision',
606                 'description': 'md5:07dab3356cde4199048e4c7cd93471e1',
607                 'duration': 419,
608                 'uploader': 'justintimberlakeVEVO',
609                 'uploader_id': 'justintimberlakeVEVO',
610                 'uploader_url': r're:https?://(?:www\.)?youtube\.com/user/justintimberlakeVEVO',
611                 'creator': 'Justin Timberlake',
612                 'track': 'Tunnel Vision',
613                 'artist': 'Justin Timberlake',
614                 'age_limit': 18,
615             }
616         },
617         {
618             'url': '//www.YouTube.com/watch?v=yZIXLfi8CZQ',
619             'note': 'Embed-only video (#1746)',
620             'info_dict': {
621                 'id': 'yZIXLfi8CZQ',
622                 'ext': 'mp4',
623                 'upload_date': '20120608',
624                 'title': 'Principal Sexually Assaults A Teacher - Episode 117 - 8th June 2012',
625                 'description': 'md5:09b78bd971f1e3e289601dfba15ca4f7',
626                 'uploader': 'SET India',
627                 'uploader_id': 'setindia',
628                 'uploader_url': r're:https?://(?:www\.)?youtube\.com/user/setindia',
629                 'age_limit': 18,
630             }
631         },
632         {
633             'url': 'https://www.youtube.com/watch?v=BaW_jenozKc&v=UxxajLWwzqY',
634             'note': 'Use the first video ID in the URL',
635             'info_dict': {
636                 'id': 'BaW_jenozKc',
637                 'ext': 'mp4',
638                 'title': 'youtube-dl test video "\'/\\ä↭𝕐',
639                 'uploader': 'Philipp Hagemeister',
640                 'uploader_id': 'phihag',
641                 'uploader_url': r're:https?://(?:www\.)?youtube\.com/user/phihag',
642                 'upload_date': '20121002',
643                 'description': 'test chars:  "\'/\\ä↭𝕐\ntest URL: https://github.com/rg3/youtube-dl/issues/1892\n\nThis is a test video for youtube-dl.\n\nFor more information, contact phihag@phihag.de .',
644                 'categories': ['Science & Technology'],
645                 'tags': ['youtube-dl'],
646                 'duration': 10,
647                 'view_count': int,
648                 'like_count': int,
649                 'dislike_count': int,
650             },
651             'params': {
652                 'skip_download': True,
653             },
654         },
655         {
656             'url': 'https://www.youtube.com/watch?v=a9LDPn-MO4I',
657             'note': '256k DASH audio (format 141) via DASH manifest',
658             'info_dict': {
659                 'id': 'a9LDPn-MO4I',
660                 'ext': 'm4a',
661                 'upload_date': '20121002',
662                 'uploader_id': '8KVIDEO',
663                 'uploader_url': r're:https?://(?:www\.)?youtube\.com/user/8KVIDEO',
664                 'description': '',
665                 'uploader': '8KVIDEO',
666                 'title': 'UHDTV TEST 8K VIDEO.mp4'
667             },
668             'params': {
669                 'youtube_include_dash_manifest': True,
670                 'format': '141',
671             },
672             'skip': 'format 141 not served anymore',
673         },
674         # DASH manifest with encrypted signature
675         {
676             'url': 'https://www.youtube.com/watch?v=IB3lcPjvWLA',
677             'info_dict': {
678                 'id': 'IB3lcPjvWLA',
679                 'ext': 'm4a',
680                 'title': 'Afrojack, Spree Wilson - The Spark (Official Music Video) ft. Spree Wilson',
681                 'description': 'md5:8f5e2b82460520b619ccac1f509d43bf',
682                 'duration': 244,
683                 'uploader': 'AfrojackVEVO',
684                 'uploader_id': 'AfrojackVEVO',
685                 'upload_date': '20131011',
686             },
687             'params': {
688                 'youtube_include_dash_manifest': True,
689                 'format': '141/bestaudio[ext=m4a]',
690             },
691         },
692         # JS player signature function name containing $
693         {
694             'url': 'https://www.youtube.com/watch?v=nfWlot6h_JM',
695             'info_dict': {
696                 'id': 'nfWlot6h_JM',
697                 'ext': 'm4a',
698                 'title': 'Taylor Swift - Shake It Off',
699                 'description': 'md5:307195cd21ff7fa352270fe884570ef0',
700                 'duration': 242,
701                 'uploader': 'TaylorSwiftVEVO',
702                 'uploader_id': 'TaylorSwiftVEVO',
703                 'upload_date': '20140818',
704             },
705             'params': {
706                 'youtube_include_dash_manifest': True,
707                 'format': '141/bestaudio[ext=m4a]',
708             },
709         },
710         # Controversy video
711         {
712             'url': 'https://www.youtube.com/watch?v=T4XJQO3qol8',
713             'info_dict': {
714                 'id': 'T4XJQO3qol8',
715                 'ext': 'mp4',
716                 'duration': 219,
717                 'upload_date': '20100909',
718                 'uploader': 'Amazing Atheist',
719                 'uploader_id': 'TheAmazingAtheist',
720                 'uploader_url': r're:https?://(?:www\.)?youtube\.com/user/TheAmazingAtheist',
721                 'title': 'Burning Everyone\'s Koran',
722                 'description': 'SUBSCRIBE: http://www.youtube.com/saturninefilms\n\nEven Obama has taken a stand against freedom on this issue: http://www.huffingtonpost.com/2010/09/09/obama-gma-interview-quran_n_710282.html',
723             }
724         },
725         # Normal age-gate video (No vevo, embed allowed)
726         {
727             'url': 'https://youtube.com/watch?v=HtVdAasjOgU',
728             'info_dict': {
729                 'id': 'HtVdAasjOgU',
730                 'ext': 'mp4',
731                 'title': 'The Witcher 3: Wild Hunt - The Sword Of Destiny Trailer',
732                 'description': r're:(?s).{100,}About the Game\n.*?The Witcher 3: Wild Hunt.{100,}',
733                 'duration': 142,
734                 'uploader': 'The Witcher',
735                 'uploader_id': 'WitcherGame',
736                 'uploader_url': r're:https?://(?:www\.)?youtube\.com/user/WitcherGame',
737                 'upload_date': '20140605',
738                 'age_limit': 18,
739             },
740         },
741         # Age-gate video with encrypted signature
742         {
743             'url': 'https://www.youtube.com/watch?v=6kLq3WMV1nU',
744             'info_dict': {
745                 'id': '6kLq3WMV1nU',
746                 'ext': 'mp4',
747                 'title': 'Dedication To My Ex (Miss That) (Lyric Video)',
748                 'description': 'md5:33765bb339e1b47e7e72b5490139bb41',
749                 'duration': 246,
750                 'uploader': 'LloydVEVO',
751                 'uploader_id': 'LloydVEVO',
752                 'uploader_url': r're:https?://(?:www\.)?youtube\.com/user/LloydVEVO',
753                 'upload_date': '20110629',
754                 'age_limit': 18,
755             },
756         },
757         # video_info is None (https://github.com/ytdl-org/youtube-dl/issues/4421)
758         # YouTube Red ad is not captured for creator
759         {
760             'url': '__2ABJjxzNo',
761             'info_dict': {
762                 'id': '__2ABJjxzNo',
763                 'ext': 'mp4',
764                 'duration': 266,
765                 'upload_date': '20100430',
766                 'uploader_id': 'deadmau5',
767                 'uploader_url': r're:https?://(?:www\.)?youtube\.com/user/deadmau5',
768                 'creator': 'Dada Life, deadmau5',
769                 'description': 'md5:12c56784b8032162bb936a5f76d55360',
770                 'uploader': 'deadmau5',
771                 'title': 'Deadmau5 - Some Chords (HD)',
772                 'alt_title': 'This Machine Kills Some Chords',
773             },
774             'expected_warnings': [
775                 'DASH manifest missing',
776             ]
777         },
778         # Olympics (https://github.com/ytdl-org/youtube-dl/issues/4431)
779         {
780             'url': 'lqQg6PlCWgI',
781             'info_dict': {
782                 'id': 'lqQg6PlCWgI',
783                 'ext': 'mp4',
784                 'duration': 6085,
785                 'upload_date': '20150827',
786                 'uploader_id': 'olympic',
787                 'uploader_url': r're:https?://(?:www\.)?youtube\.com/user/olympic',
788                 'description': 'HO09  - Women -  GER-AUS - Hockey - 31 July 2012 - London 2012 Olympic Games',
789                 'uploader': 'Olympic',
790                 'title': 'Hockey - Women -  GER-AUS - London 2012 Olympic Games',
791             },
792             'params': {
793                 'skip_download': 'requires avconv',
794             }
795         },
796         # Non-square pixels
797         {
798             'url': 'https://www.youtube.com/watch?v=_b-2C3KPAM0',
799             'info_dict': {
800                 'id': '_b-2C3KPAM0',
801                 'ext': 'mp4',
802                 'stretched_ratio': 16 / 9.,
803                 'duration': 85,
804                 'upload_date': '20110310',
805                 'uploader_id': 'AllenMeow',
806                 'uploader_url': r're:https?://(?:www\.)?youtube\.com/user/AllenMeow',
807                 'description': 'made by Wacom from Korea | 字幕&加油添醋 by TY\'s Allen | 感謝heylisa00cavey1001同學熱情提供梗及翻譯',
808                 'uploader': '孫ᄋᄅ',
809                 'title': '[A-made] 變態妍字幕版 太妍 我就是這樣的人',
810             },
811         },
812         # url_encoded_fmt_stream_map is empty string
813         {
814             'url': 'qEJwOuvDf7I',
815             'info_dict': {
816                 'id': 'qEJwOuvDf7I',
817                 'ext': 'webm',
818                 'title': 'Обсуждение судебной практики по выборам 14 сентября 2014 года в Санкт-Петербурге',
819                 'description': '',
820                 'upload_date': '20150404',
821                 'uploader_id': 'spbelect',
822                 'uploader': 'Наблюдатели Петербурга',
823             },
824             'params': {
825                 'skip_download': 'requires avconv',
826             },
827             'skip': 'This live event has ended.',
828         },
829         # Extraction from multiple DASH manifests (https://github.com/ytdl-org/youtube-dl/pull/6097)
830         {
831             'url': 'https://www.youtube.com/watch?v=FIl7x6_3R5Y',
832             'info_dict': {
833                 'id': 'FIl7x6_3R5Y',
834                 'ext': 'webm',
835                 'title': 'md5:7b81415841e02ecd4313668cde88737a',
836                 'description': 'md5:116377fd2963b81ec4ce64b542173306',
837                 'duration': 220,
838                 'upload_date': '20150625',
839                 'uploader_id': 'dorappi2000',
840                 'uploader_url': r're:https?://(?:www\.)?youtube\.com/user/dorappi2000',
841                 'uploader': 'dorappi2000',
842                 'formats': 'mincount:31',
843             },
844             'skip': 'not actual anymore',
845         },
846         # DASH manifest with segment_list
847         {
848             'url': 'https://www.youtube.com/embed/CsmdDsKjzN8',
849             'md5': '8ce563a1d667b599d21064e982ab9e31',
850             'info_dict': {
851                 'id': 'CsmdDsKjzN8',
852                 'ext': 'mp4',
853                 'upload_date': '20150501',  # According to '<meta itemprop="datePublished"', but in other places it's 20150510
854                 'uploader': 'Airtek',
855                 'description': 'Retransmisión en directo de la XVIII media maratón de Zaragoza.',
856                 'uploader_id': 'UCzTzUmjXxxacNnL8I3m4LnQ',
857                 'title': 'Retransmisión XVIII Media maratón Zaragoza 2015',
858             },
859             'params': {
860                 'youtube_include_dash_manifest': True,
861                 'format': '135',  # bestvideo
862             },
863             'skip': 'This live event has ended.',
864         },
865         {
866             # Multifeed videos (multiple cameras), URL is for Main Camera
867             'url': 'https://www.youtube.com/watch?v=jqWvoWXjCVs',
868             'info_dict': {
869                 'id': 'jqWvoWXjCVs',
870                 'title': 'teamPGP: Rocket League Noob Stream',
871                 'description': 'md5:dc7872fb300e143831327f1bae3af010',
872             },
873             'playlist': [{
874                 'info_dict': {
875                     'id': 'jqWvoWXjCVs',
876                     'ext': 'mp4',
877                     'title': 'teamPGP: Rocket League Noob Stream (Main Camera)',
878                     'description': 'md5:dc7872fb300e143831327f1bae3af010',
879                     'duration': 7335,
880                     'upload_date': '20150721',
881                     'uploader': 'Beer Games Beer',
882                     'uploader_id': 'beergamesbeer',
883                     'uploader_url': r're:https?://(?:www\.)?youtube\.com/user/beergamesbeer',
884                     'license': 'Standard YouTube License',
885                 },
886             }, {
887                 'info_dict': {
888                     'id': '6h8e8xoXJzg',
889                     'ext': 'mp4',
890                     'title': 'teamPGP: Rocket League Noob Stream (kreestuh)',
891                     'description': 'md5:dc7872fb300e143831327f1bae3af010',
892                     'duration': 7337,
893                     'upload_date': '20150721',
894                     'uploader': 'Beer Games Beer',
895                     'uploader_id': 'beergamesbeer',
896                     'uploader_url': r're:https?://(?:www\.)?youtube\.com/user/beergamesbeer',
897                     'license': 'Standard YouTube License',
898                 },
899             }, {
900                 'info_dict': {
901                     'id': 'PUOgX5z9xZw',
902                     'ext': 'mp4',
903                     'title': 'teamPGP: Rocket League Noob Stream (grizzle)',
904                     'description': 'md5:dc7872fb300e143831327f1bae3af010',
905                     'duration': 7337,
906                     'upload_date': '20150721',
907                     'uploader': 'Beer Games Beer',
908                     'uploader_id': 'beergamesbeer',
909                     'uploader_url': r're:https?://(?:www\.)?youtube\.com/user/beergamesbeer',
910                     'license': 'Standard YouTube License',
911                 },
912             }, {
913                 'info_dict': {
914                     'id': 'teuwxikvS5k',
915                     'ext': 'mp4',
916                     'title': 'teamPGP: Rocket League Noob Stream (zim)',
917                     'description': 'md5:dc7872fb300e143831327f1bae3af010',
918                     'duration': 7334,
919                     'upload_date': '20150721',
920                     'uploader': 'Beer Games Beer',
921                     'uploader_id': 'beergamesbeer',
922                     'uploader_url': r're:https?://(?:www\.)?youtube\.com/user/beergamesbeer',
923                     'license': 'Standard YouTube License',
924                 },
925             }],
926             'params': {
927                 'skip_download': True,
928             },
929             'skip': 'This video is not available.',
930         },
931         {
932             # Multifeed video with comma in title (see https://github.com/ytdl-org/youtube-dl/issues/8536)
933             'url': 'https://www.youtube.com/watch?v=gVfLd0zydlo',
934             'info_dict': {
935                 'id': 'gVfLd0zydlo',
936                 'title': 'DevConf.cz 2016 Day 2 Workshops 1 14:00 - 15:30',
937             },
938             'playlist_count': 2,
939             'skip': 'Not multifeed anymore',
940         },
941         {
942             'url': 'https://vid.plus/FlRa-iH7PGw',
943             'only_matching': True,
944         },
945         {
946             'url': 'https://zwearz.com/watch/9lWxNJF-ufM/electra-woman-dyna-girl-official-trailer-grace-helbig.html',
947             'only_matching': True,
948         },
949         {
950             # Title with JS-like syntax "};" (see https://github.com/ytdl-org/youtube-dl/issues/7468)
951             # Also tests cut-off URL expansion in video description (see
952             # https://github.com/ytdl-org/youtube-dl/issues/1892,
953             # https://github.com/ytdl-org/youtube-dl/issues/8164)
954             'url': 'https://www.youtube.com/watch?v=lsguqyKfVQg',
955             'info_dict': {
956                 'id': 'lsguqyKfVQg',
957                 'ext': 'mp4',
958                 'title': '{dark walk}; Loki/AC/Dishonored; collab w/Elflover21',
959                 'alt_title': 'Dark Walk - Position Music',
960                 'description': 'md5:8085699c11dc3f597ce0410b0dcbb34a',
961                 'duration': 133,
962                 'upload_date': '20151119',
963                 'uploader_id': 'IronSoulElf',
964                 'uploader_url': r're:https?://(?:www\.)?youtube\.com/user/IronSoulElf',
965                 'uploader': 'IronSoulElf',
966                 'creator': 'Todd Haberman,  Daniel Law Heath and Aaron Kaplan',
967                 'track': 'Dark Walk - Position Music',
968                 'artist': 'Todd Haberman,  Daniel Law Heath and Aaron Kaplan',
969                 'album': 'Position Music - Production Music Vol. 143 - Dark Walk',
970             },
971             'params': {
972                 'skip_download': True,
973             },
974         },
975         {
976             # Tags with '};' (see https://github.com/ytdl-org/youtube-dl/issues/7468)
977             'url': 'https://www.youtube.com/watch?v=Ms7iBXnlUO8',
978             'only_matching': True,
979         },
980         {
981             # Video with yt:stretch=17:0
982             'url': 'https://www.youtube.com/watch?v=Q39EVAstoRM',
983             'info_dict': {
984                 'id': 'Q39EVAstoRM',
985                 'ext': 'mp4',
986                 'title': 'Clash Of Clans#14 Dicas De Ataque Para CV 4',
987                 'description': 'md5:ee18a25c350637c8faff806845bddee9',
988                 'upload_date': '20151107',
989                 'uploader_id': 'UCCr7TALkRbo3EtFzETQF1LA',
990                 'uploader': 'CH GAMER DROID',
991             },
992             'params': {
993                 'skip_download': True,
994             },
995             'skip': 'This video does not exist.',
996         },
997         {
998             # Video licensed under Creative Commons
999             'url': 'https://www.youtube.com/watch?v=M4gD1WSo5mA',
1000             'info_dict': {
1001                 'id': 'M4gD1WSo5mA',
1002                 'ext': 'mp4',
1003                 'title': 'md5:e41008789470fc2533a3252216f1c1d1',
1004                 'description': 'md5:a677553cf0840649b731a3024aeff4cc',
1005                 'duration': 721,
1006                 'upload_date': '20150127',
1007                 'uploader_id': 'BerkmanCenter',
1008                 'uploader_url': r're:https?://(?:www\.)?youtube\.com/user/BerkmanCenter',
1009                 'uploader': 'The Berkman Klein Center for Internet & Society',
1010                 'license': 'Creative Commons Attribution license (reuse allowed)',
1011             },
1012             'params': {
1013                 'skip_download': True,
1014             },
1015         },
1016         {
1017             # Channel-like uploader_url
1018             'url': 'https://www.youtube.com/watch?v=eQcmzGIKrzg',
1019             'info_dict': {
1020                 'id': 'eQcmzGIKrzg',
1021                 'ext': 'mp4',
1022                 'title': 'Democratic Socialism and Foreign Policy | Bernie Sanders',
1023                 'description': 'md5:dda0d780d5a6e120758d1711d062a867',
1024                 'duration': 4060,
1025                 'upload_date': '20151119',
1026                 'uploader': 'Bernie Sanders',
1027                 'uploader_id': 'UCH1dpzjCEiGAt8CXkryhkZg',
1028                 'uploader_url': r're:https?://(?:www\.)?youtube\.com/channel/UCH1dpzjCEiGAt8CXkryhkZg',
1029                 'license': 'Creative Commons Attribution license (reuse allowed)',
1030             },
1031             'params': {
1032                 'skip_download': True,
1033             },
1034         },
1035         {
1036             'url': 'https://www.youtube.com/watch?feature=player_embedded&amp;amp;v=V36LpHqtcDY',
1037             'only_matching': True,
1038         },
1039         {
1040             # YouTube Red paid video (https://github.com/ytdl-org/youtube-dl/issues/10059)
1041             'url': 'https://www.youtube.com/watch?v=i1Ko8UG-Tdo',
1042             'only_matching': True,
1043         },
1044         {
1045             # Rental video preview
1046             'url': 'https://www.youtube.com/watch?v=yYr8q0y5Jfg',
1047             'info_dict': {
1048                 'id': 'uGpuVWrhIzE',
1049                 'ext': 'mp4',
1050                 'title': 'Piku - Trailer',
1051                 'description': 'md5:c36bd60c3fd6f1954086c083c72092eb',
1052                 'upload_date': '20150811',
1053                 'uploader': 'FlixMatrix',
1054                 'uploader_id': 'FlixMatrixKaravan',
1055                 'uploader_url': r're:https?://(?:www\.)?youtube\.com/user/FlixMatrixKaravan',
1056                 'license': 'Standard YouTube License',
1057             },
1058             'params': {
1059                 'skip_download': True,
1060             },
1061             'skip': 'This video is not available.',
1062         },
1063         {
1064             # YouTube Red video with episode data
1065             'url': 'https://www.youtube.com/watch?v=iqKdEhx-dD4',
1066             'info_dict': {
1067                 'id': 'iqKdEhx-dD4',
1068                 'ext': 'mp4',
1069                 'title': 'Isolation - Mind Field (Ep 1)',
1070                 'description': 'md5:46a29be4ceffa65b92d277b93f463c0f',
1071                 'duration': 2085,
1072                 'upload_date': '20170118',
1073                 'uploader': 'Vsauce',
1074                 'uploader_id': 'Vsauce',
1075                 'uploader_url': r're:https?://(?:www\.)?youtube\.com/user/Vsauce',
1076                 'series': 'Mind Field',
1077                 'season_number': 1,
1078                 'episode_number': 1,
1079             },
1080             'params': {
1081                 'skip_download': True,
1082             },
1083             'expected_warnings': [
1084                 'Skipping DASH manifest',
1085             ],
1086         },
1087         {
1088             # The following content has been identified by the YouTube community
1089             # as inappropriate or offensive to some audiences.
1090             'url': 'https://www.youtube.com/watch?v=6SJNVb0GnPI',
1091             'info_dict': {
1092                 'id': '6SJNVb0GnPI',
1093                 'ext': 'mp4',
1094                 'title': 'Race Differences in Intelligence',
1095                 'description': 'md5:5d161533167390427a1f8ee89a1fc6f1',
1096                 'duration': 965,
1097                 'upload_date': '20140124',
1098                 'uploader': 'New Century Foundation',
1099                 'uploader_id': 'UCEJYpZGqgUob0zVVEaLhvVg',
1100                 'uploader_url': r're:https?://(?:www\.)?youtube\.com/channel/UCEJYpZGqgUob0zVVEaLhvVg',
1101             },
1102             'params': {
1103                 'skip_download': True,
1104             },
1105         },
1106         {
1107             # itag 212
1108             'url': '1t24XAntNCY',
1109             'only_matching': True,
1110         },
1111         {
1112             # geo restricted to JP
1113             'url': 'sJL6WA-aGkQ',
1114             'only_matching': True,
1115         },
1116         {
1117             'url': 'https://www.youtube.com/watch?v=MuAGGZNfUkU&list=RDMM',
1118             'only_matching': True,
1119         },
1120         {
1121             'url': 'https://invidio.us/watch?v=BaW_jenozKc',
1122             'only_matching': True,
1123         },
1124         {
1125             # DRM protected
1126             'url': 'https://www.youtube.com/watch?v=s7_qI6_mIXc',
1127             'only_matching': True,
1128         },
1129         {
1130             # Video with unsupported adaptive stream type formats
1131             'url': 'https://www.youtube.com/watch?v=Z4Vy8R84T1U',
1132             'info_dict': {
1133                 'id': 'Z4Vy8R84T1U',
1134                 'ext': 'mp4',
1135                 'title': 'saman SMAN 53 Jakarta(Sancety) opening COFFEE4th at SMAN 53 Jakarta',
1136                 'description': 'md5:d41d8cd98f00b204e9800998ecf8427e',
1137                 'duration': 433,
1138                 'upload_date': '20130923',
1139                 'uploader': 'Amelia Putri Harwita',
1140                 'uploader_id': 'UCpOxM49HJxmC1qCalXyB3_Q',
1141                 'uploader_url': r're:https?://(?:www\.)?youtube\.com/channel/UCpOxM49HJxmC1qCalXyB3_Q',
1142                 'formats': 'maxcount:10',
1143             },
1144             'params': {
1145                 'skip_download': True,
1146                 'youtube_include_dash_manifest': False,
1147             },
1148             'skip': 'not actual anymore',
1149         },
1150         {
1151             # Youtube Music Auto-generated description
1152             'url': 'https://music.youtube.com/watch?v=MgNrAu2pzNs',
1153             'info_dict': {
1154                 'id': 'MgNrAu2pzNs',
1155                 'ext': 'mp4',
1156                 'title': 'Voyeur Girl',
1157                 'description': 'md5:7ae382a65843d6df2685993e90a8628f',
1158                 'upload_date': '20190312',
1159                 'uploader': 'Stephen - Topic',
1160                 'uploader_id': 'UC-pWHpBjdGG69N9mM2auIAA',
1161                 'artist': 'Stephen',
1162                 'track': 'Voyeur Girl',
1163                 'album': 'it\'s too much love to know my dear',
1164                 'release_date': '20190313',
1165                 'release_year': 2019,
1166             },
1167             'params': {
1168                 'skip_download': True,
1169             },
1170         },
1171         {
1172             # Youtube Music Auto-generated description
1173             # Retrieve 'artist' field from 'Artist:' in video description
1174             # when it is present on youtube music video
1175             'url': 'https://www.youtube.com/watch?v=k0jLE7tTwjY',
1176             'info_dict': {
1177                 'id': 'k0jLE7tTwjY',
1178                 'ext': 'mp4',
1179                 'title': 'Latch Feat. Sam Smith',
1180                 'description': 'md5:3cb1e8101a7c85fcba9b4fb41b951335',
1181                 'upload_date': '20150110',
1182                 'uploader': 'Various Artists - Topic',
1183                 'uploader_id': 'UCNkEcmYdjrH4RqtNgh7BZ9w',
1184                 'artist': 'Disclosure',
1185                 'track': 'Latch Feat. Sam Smith',
1186                 'album': 'Latch Featuring Sam Smith',
1187                 'release_date': '20121008',
1188                 'release_year': 2012,
1189             },
1190             'params': {
1191                 'skip_download': True,
1192             },
1193         },
1194         {
1195             # Youtube Music Auto-generated description
1196             # handle multiple artists on youtube music video
1197             'url': 'https://www.youtube.com/watch?v=74qn0eJSjpA',
1198             'info_dict': {
1199                 'id': '74qn0eJSjpA',
1200                 'ext': 'mp4',
1201                 'title': 'Eastside',
1202                 'description': 'md5:290516bb73dcbfab0dcc4efe6c3de5f2',
1203                 'upload_date': '20180710',
1204                 'uploader': 'Benny Blanco - Topic',
1205                 'uploader_id': 'UCzqz_ksRu_WkIzmivMdIS7A',
1206                 'artist': 'benny blanco, Halsey, Khalid',
1207                 'track': 'Eastside',
1208                 'album': 'Eastside',
1209                 'release_date': '20180713',
1210                 'release_year': 2018,
1211             },
1212             'params': {
1213                 'skip_download': True,
1214             },
1215         },
1216         {
1217             # Youtube Music Auto-generated description
1218             # handle youtube music video with release_year and no release_date
1219             'url': 'https://www.youtube.com/watch?v=-hcAI0g-f5M',
1220             'info_dict': {
1221                 'id': '-hcAI0g-f5M',
1222                 'ext': 'mp4',
1223                 'title': 'Put It On Me',
1224                 'description': 'md5:f6422397c07c4c907c6638e1fee380a5',
1225                 'upload_date': '20180426',
1226                 'uploader': 'Matt Maeson - Topic',
1227                 'uploader_id': 'UCnEkIGqtGcQMLk73Kp-Q5LQ',
1228                 'artist': 'Matt Maeson',
1229                 'track': 'Put It On Me',
1230                 'album': 'The Hearse',
1231                 'release_date': None,
1232                 'release_year': 2018,
1233             },
1234             'params': {
1235                 'skip_download': True,
1236             },
1237         },
1238         {
1239             'url': 'https://www.youtubekids.com/watch?v=3b8nCWDgZ6Q',
1240             'only_matching': True,
1241         },
1242         {
1243             # invalid -> valid video id redirection
1244             'url': 'DJztXj2GPfl',
1245             'info_dict': {
1246                 'id': 'DJztXj2GPfk',
1247                 'ext': 'mp4',
1248                 'title': 'Panjabi MC - Mundian To Bach Ke (The Dictator Soundtrack)',
1249                 'description': 'md5:bf577a41da97918e94fa9798d9228825',
1250                 'upload_date': '20090125',
1251                 'uploader': 'Prochorowka',
1252                 'uploader_id': 'Prochorowka',
1253                 'uploader_url': r're:https?://(?:www\.)?youtube\.com/user/Prochorowka',
1254                 'artist': 'Panjabi MC',
1255                 'track': 'Beware of the Boys (Mundian to Bach Ke) - Motivo Hi-Lectro Remix',
1256                 'album': 'Beware of the Boys (Mundian To Bach Ke)',
1257             },
1258             'params': {
1259                 'skip_download': True,
1260             },
1261         }
1262     ]
1263
1264     def __init__(self, *args, **kwargs):
1265         super(YoutubeIE, self).__init__(*args, **kwargs)
1266         self._player_cache = {}
1267
1268     def report_video_info_webpage_download(self, video_id):
1269         """Report attempt to download video info webpage."""
1270         self.to_screen('%s: Downloading video info webpage' % video_id)
1271
1272     def report_information_extraction(self, video_id):
1273         """Report attempt to extract video information."""
1274         self.to_screen('%s: Extracting video information' % video_id)
1275
1276     def report_unavailable_format(self, video_id, format):
1277         """Report extracted video URL."""
1278         self.to_screen('%s: Format %s not available' % (video_id, format))
1279
1280     def report_rtmp_download(self):
1281         """Indicate the download will use the RTMP protocol."""
1282         self.to_screen('RTMP download detected')
1283
1284     def _signature_cache_id(self, example_sig):
1285         """ Return a string representation of a signature """
1286         return '.'.join(compat_str(len(part)) for part in example_sig.split('.'))
1287
1288     @classmethod
1289     def _extract_player_info(cls, player_url):
1290         for player_re in cls._PLAYER_INFO_RE:
1291             id_m = re.search(player_re, player_url)
1292             if id_m:
1293                 break
1294         else:
1295             raise ExtractorError('Cannot identify player %r' % player_url)
1296         return id_m.group('ext'), id_m.group('id')
1297
1298     def _extract_signature_function(self, video_id, player_url, example_sig):
1299         player_type, player_id = self._extract_player_info(player_url)
1300
1301         # Read from filesystem cache
1302         func_id = '%s_%s_%s' % (
1303             player_type, player_id, self._signature_cache_id(example_sig))
1304         assert os.path.basename(func_id) == func_id
1305
1306         cache_spec = self._downloader.cache.load('youtube-sigfuncs', func_id)
1307         if cache_spec is not None:
1308             return lambda s: ''.join(s[i] for i in cache_spec)
1309
1310         download_note = (
1311             'Downloading player %s' % player_url
1312             if self._downloader.params.get('verbose') else
1313             'Downloading %s player %s' % (player_type, player_id)
1314         )
1315         if player_type == 'js':
1316             code = self._download_webpage(
1317                 player_url, video_id,
1318                 note=download_note,
1319                 errnote='Download of %s failed' % player_url)
1320             res = self._parse_sig_js(code)
1321         elif player_type == 'swf':
1322             urlh = self._request_webpage(
1323                 player_url, video_id,
1324                 note=download_note,
1325                 errnote='Download of %s failed' % player_url)
1326             code = urlh.read()
1327             res = self._parse_sig_swf(code)
1328         else:
1329             assert False, 'Invalid player type %r' % player_type
1330
1331         test_string = ''.join(map(compat_chr, range(len(example_sig))))
1332         cache_res = res(test_string)
1333         cache_spec = [ord(c) for c in cache_res]
1334
1335         self._downloader.cache.store('youtube-sigfuncs', func_id, cache_spec)
1336         return res
1337
1338     def _print_sig_code(self, func, example_sig):
1339         def gen_sig_code(idxs):
1340             def _genslice(start, end, step):
1341                 starts = '' if start == 0 else str(start)
1342                 ends = (':%d' % (end + step)) if end + step >= 0 else ':'
1343                 steps = '' if step == 1 else (':%d' % step)
1344                 return 's[%s%s%s]' % (starts, ends, steps)
1345
1346             step = None
1347             # Quelch pyflakes warnings - start will be set when step is set
1348             start = '(Never used)'
1349             for i, prev in zip(idxs[1:], idxs[:-1]):
1350                 if step is not None:
1351                     if i - prev == step:
1352                         continue
1353                     yield _genslice(start, prev, step)
1354                     step = None
1355                     continue
1356                 if i - prev in [-1, 1]:
1357                     step = i - prev
1358                     start = prev
1359                     continue
1360                 else:
1361                     yield 's[%d]' % prev
1362             if step is None:
1363                 yield 's[%d]' % i
1364             else:
1365                 yield _genslice(start, i, step)
1366
1367         test_string = ''.join(map(compat_chr, range(len(example_sig))))
1368         cache_res = func(test_string)
1369         cache_spec = [ord(c) for c in cache_res]
1370         expr_code = ' + '.join(gen_sig_code(cache_spec))
1371         signature_id_tuple = '(%s)' % (
1372             ', '.join(compat_str(len(p)) for p in example_sig.split('.')))
1373         code = ('if tuple(len(p) for p in s.split(\'.\')) == %s:\n'
1374                 '    return %s\n') % (signature_id_tuple, expr_code)
1375         self.to_screen('Extracted signature function:\n' + code)
1376
1377     def _parse_sig_js(self, jscode):
1378         funcname = self._search_regex(
1379             (r'\b[cs]\s*&&\s*[adf]\.set\([^,]+\s*,\s*encodeURIComponent\s*\(\s*(?P<sig>[a-zA-Z0-9$]+)\(',
1380              r'\b[a-zA-Z0-9]+\s*&&\s*[a-zA-Z0-9]+\.set\([^,]+\s*,\s*encodeURIComponent\s*\(\s*(?P<sig>[a-zA-Z0-9$]+)\(',
1381              r'\b(?P<sig>[a-zA-Z0-9$]{2})\s*=\s*function\(\s*a\s*\)\s*{\s*a\s*=\s*a\.split\(\s*""\s*\)',
1382              r'(?P<sig>[a-zA-Z0-9$]+)\s*=\s*function\(\s*a\s*\)\s*{\s*a\s*=\s*a\.split\(\s*""\s*\)',
1383              # Obsolete patterns
1384              r'(["\'])signature\1\s*,\s*(?P<sig>[a-zA-Z0-9$]+)\(',
1385              r'\.sig\|\|(?P<sig>[a-zA-Z0-9$]+)\(',
1386              r'yt\.akamaized\.net/\)\s*\|\|\s*.*?\s*[cs]\s*&&\s*[adf]\.set\([^,]+\s*,\s*(?:encodeURIComponent\s*\()?\s*(?P<sig>[a-zA-Z0-9$]+)\(',
1387              r'\b[cs]\s*&&\s*[adf]\.set\([^,]+\s*,\s*(?P<sig>[a-zA-Z0-9$]+)\(',
1388              r'\b[a-zA-Z0-9]+\s*&&\s*[a-zA-Z0-9]+\.set\([^,]+\s*,\s*(?P<sig>[a-zA-Z0-9$]+)\(',
1389              r'\bc\s*&&\s*a\.set\([^,]+\s*,\s*\([^)]*\)\s*\(\s*(?P<sig>[a-zA-Z0-9$]+)\(',
1390              r'\bc\s*&&\s*[a-zA-Z0-9]+\.set\([^,]+\s*,\s*\([^)]*\)\s*\(\s*(?P<sig>[a-zA-Z0-9$]+)\(',
1391              r'\bc\s*&&\s*[a-zA-Z0-9]+\.set\([^,]+\s*,\s*\([^)]*\)\s*\(\s*(?P<sig>[a-zA-Z0-9$]+)\('),
1392             jscode, 'Initial JS player signature function name', group='sig')
1393
1394         jsi = JSInterpreter(jscode)
1395         initial_function = jsi.extract_function(funcname)
1396         return lambda s: initial_function([s])
1397
1398     def _parse_sig_swf(self, file_contents):
1399         swfi = SWFInterpreter(file_contents)
1400         TARGET_CLASSNAME = 'SignatureDecipher'
1401         searched_class = swfi.extract_class(TARGET_CLASSNAME)
1402         initial_function = swfi.extract_function(searched_class, 'decipher')
1403         return lambda s: initial_function([s])
1404
1405     def _decrypt_signature(self, s, video_id, player_url, age_gate=False):
1406         """Turn the encrypted s field into a working signature"""
1407
1408         if player_url is None:
1409             raise ExtractorError('Cannot decrypt signature without player_url')
1410
1411         if player_url.startswith('//'):
1412             player_url = 'https:' + player_url
1413         elif not re.match(r'https?://', player_url):
1414             player_url = compat_urlparse.urljoin(
1415                 'https://www.youtube.com', player_url)
1416         try:
1417             player_id = (player_url, self._signature_cache_id(s))
1418             if player_id not in self._player_cache:
1419                 func = self._extract_signature_function(
1420                     video_id, player_url, s
1421                 )
1422                 self._player_cache[player_id] = func
1423             func = self._player_cache[player_id]
1424             if self._downloader.params.get('youtube_print_sig_code'):
1425                 self._print_sig_code(func, s)
1426             return func(s)
1427         except Exception as e:
1428             tb = traceback.format_exc()
1429             raise ExtractorError(
1430                 'Signature extraction failed: ' + tb, cause=e)
1431
1432     def _get_subtitles(self, video_id, webpage):
1433         try:
1434             subs_doc = self._download_xml(
1435                 'https://video.google.com/timedtext?hl=en&type=list&v=%s' % video_id,
1436                 video_id, note=False)
1437         except ExtractorError as err:
1438             self._downloader.report_warning('unable to download video subtitles: %s' % error_to_compat_str(err))
1439             return {}
1440
1441         sub_lang_list = {}
1442         for track in subs_doc.findall('track'):
1443             lang = track.attrib['lang_code']
1444             if lang in sub_lang_list:
1445                 continue
1446             sub_formats = []
1447             for ext in self._SUBTITLE_FORMATS:
1448                 params = compat_urllib_parse_urlencode({
1449                     'lang': lang,
1450                     'v': video_id,
1451                     'fmt': ext,
1452                     'name': track.attrib['name'].encode('utf-8'),
1453                 })
1454                 sub_formats.append({
1455                     'url': 'https://www.youtube.com/api/timedtext?' + params,
1456                     'ext': ext,
1457                 })
1458             sub_lang_list[lang] = sub_formats
1459         if not sub_lang_list:
1460             self._downloader.report_warning('video doesn\'t have subtitles')
1461             return {}
1462         return sub_lang_list
1463
1464     def _get_ytplayer_config(self, video_id, webpage):
1465         patterns = (
1466             # User data may contain arbitrary character sequences that may affect
1467             # JSON extraction with regex, e.g. when '};' is contained the second
1468             # regex won't capture the whole JSON. Yet working around by trying more
1469             # concrete regex first keeping in mind proper quoted string handling
1470             # to be implemented in future that will replace this workaround (see
1471             # https://github.com/ytdl-org/youtube-dl/issues/7468,
1472             # https://github.com/ytdl-org/youtube-dl/pull/7599)
1473             r';ytplayer\.config\s*=\s*({.+?});ytplayer',
1474             r';ytplayer\.config\s*=\s*({.+?});',
1475         )
1476         config = self._search_regex(
1477             patterns, webpage, 'ytplayer.config', default=None)
1478         if config:
1479             return self._parse_json(
1480                 uppercase_escape(config), video_id, fatal=False)
1481
1482     def _get_automatic_captions(self, video_id, webpage):
1483         """We need the webpage for getting the captions url, pass it as an
1484            argument to speed up the process."""
1485         self.to_screen('%s: Looking for automatic captions' % video_id)
1486         player_config = self._get_ytplayer_config(video_id, webpage)
1487         err_msg = 'Couldn\'t find automatic captions for %s' % video_id
1488         if not player_config:
1489             self._downloader.report_warning(err_msg)
1490             return {}
1491         try:
1492             args = player_config['args']
1493             caption_url = args.get('ttsurl')
1494             if caption_url:
1495                 timestamp = args['timestamp']
1496                 # We get the available subtitles
1497                 list_params = compat_urllib_parse_urlencode({
1498                     'type': 'list',
1499                     'tlangs': 1,
1500                     'asrs': 1,
1501                 })
1502                 list_url = caption_url + '&' + list_params
1503                 caption_list = self._download_xml(list_url, video_id)
1504                 original_lang_node = caption_list.find('track')
1505                 if original_lang_node is None:
1506                     self._downloader.report_warning('Video doesn\'t have automatic captions')
1507                     return {}
1508                 original_lang = original_lang_node.attrib['lang_code']
1509                 caption_kind = original_lang_node.attrib.get('kind', '')
1510
1511                 sub_lang_list = {}
1512                 for lang_node in caption_list.findall('target'):
1513                     sub_lang = lang_node.attrib['lang_code']
1514                     sub_formats = []
1515                     for ext in self._SUBTITLE_FORMATS:
1516                         params = compat_urllib_parse_urlencode({
1517                             'lang': original_lang,
1518                             'tlang': sub_lang,
1519                             'fmt': ext,
1520                             'ts': timestamp,
1521                             'kind': caption_kind,
1522                         })
1523                         sub_formats.append({
1524                             'url': caption_url + '&' + params,
1525                             'ext': ext,
1526                         })
1527                     sub_lang_list[sub_lang] = sub_formats
1528                 return sub_lang_list
1529
1530             def make_captions(sub_url, sub_langs):
1531                 parsed_sub_url = compat_urllib_parse_urlparse(sub_url)
1532                 caption_qs = compat_parse_qs(parsed_sub_url.query)
1533                 captions = {}
1534                 for sub_lang in sub_langs:
1535                     sub_formats = []
1536                     for ext in self._SUBTITLE_FORMATS:
1537                         caption_qs.update({
1538                             'tlang': [sub_lang],
1539                             'fmt': [ext],
1540                         })
1541                         sub_url = compat_urlparse.urlunparse(parsed_sub_url._replace(
1542                             query=compat_urllib_parse_urlencode(caption_qs, True)))
1543                         sub_formats.append({
1544                             'url': sub_url,
1545                             'ext': ext,
1546                         })
1547                     captions[sub_lang] = sub_formats
1548                 return captions
1549
1550             # New captions format as of 22.06.2017
1551             player_response = args.get('player_response')
1552             if player_response and isinstance(player_response, compat_str):
1553                 player_response = self._parse_json(
1554                     player_response, video_id, fatal=False)
1555                 if player_response:
1556                     renderer = player_response['captions']['playerCaptionsTracklistRenderer']
1557                     base_url = renderer['captionTracks'][0]['baseUrl']
1558                     sub_lang_list = []
1559                     for lang in renderer['translationLanguages']:
1560                         lang_code = lang.get('languageCode')
1561                         if lang_code:
1562                             sub_lang_list.append(lang_code)
1563                     return make_captions(base_url, sub_lang_list)
1564
1565             # Some videos don't provide ttsurl but rather caption_tracks and
1566             # caption_translation_languages (e.g. 20LmZk1hakA)
1567             # Does not used anymore as of 22.06.2017
1568             caption_tracks = args['caption_tracks']
1569             caption_translation_languages = args['caption_translation_languages']
1570             caption_url = compat_parse_qs(caption_tracks.split(',')[0])['u'][0]
1571             sub_lang_list = []
1572             for lang in caption_translation_languages.split(','):
1573                 lang_qs = compat_parse_qs(compat_urllib_parse_unquote_plus(lang))
1574                 sub_lang = lang_qs.get('lc', [None])[0]
1575                 if sub_lang:
1576                     sub_lang_list.append(sub_lang)
1577             return make_captions(caption_url, sub_lang_list)
1578         # An extractor error can be raise by the download process if there are
1579         # no automatic captions but there are subtitles
1580         except (KeyError, IndexError, ExtractorError):
1581             self._downloader.report_warning(err_msg)
1582             return {}
1583
1584     def _mark_watched(self, video_id, video_info, player_response):
1585         playback_url = url_or_none(try_get(
1586             player_response,
1587             lambda x: x['playbackTracking']['videostatsPlaybackUrl']['baseUrl']) or try_get(
1588             video_info, lambda x: x['videostats_playback_base_url'][0]))
1589         if not playback_url:
1590             return
1591         parsed_playback_url = compat_urlparse.urlparse(playback_url)
1592         qs = compat_urlparse.parse_qs(parsed_playback_url.query)
1593
1594         # cpn generation algorithm is reverse engineered from base.js.
1595         # In fact it works even with dummy cpn.
1596         CPN_ALPHABET = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789-_'
1597         cpn = ''.join((CPN_ALPHABET[random.randint(0, 256) & 63] for _ in range(0, 16)))
1598
1599         qs.update({
1600             'ver': ['2'],
1601             'cpn': [cpn],
1602         })
1603         playback_url = compat_urlparse.urlunparse(
1604             parsed_playback_url._replace(query=compat_urllib_parse_urlencode(qs, True)))
1605
1606         self._download_webpage(
1607             playback_url, video_id, 'Marking watched',
1608             'Unable to mark watched', fatal=False)
1609
1610     @staticmethod
1611     def _extract_urls(webpage):
1612         # Embedded YouTube player
1613         entries = [
1614             unescapeHTML(mobj.group('url'))
1615             for mobj in re.finditer(r'''(?x)
1616             (?:
1617                 <iframe[^>]+?src=|
1618                 data-video-url=|
1619                 <embed[^>]+?src=|
1620                 embedSWF\(?:\s*|
1621                 <object[^>]+data=|
1622                 new\s+SWFObject\(
1623             )
1624             (["\'])
1625                 (?P<url>(?:https?:)?//(?:www\.)?youtube(?:-nocookie)?\.com/
1626                 (?:embed|v|p)/[0-9A-Za-z_-]{11}.*?)
1627             \1''', webpage)]
1628
1629         # lazyYT YouTube embed
1630         entries.extend(list(map(
1631             unescapeHTML,
1632             re.findall(r'class="lazyYT" data-youtube-id="([^"]+)"', webpage))))
1633
1634         # Wordpress "YouTube Video Importer" plugin
1635         matches = re.findall(r'''(?x)<div[^>]+
1636             class=(?P<q1>[\'"])[^\'"]*\byvii_single_video_player\b[^\'"]*(?P=q1)[^>]+
1637             data-video_id=(?P<q2>[\'"])([^\'"]+)(?P=q2)''', webpage)
1638         entries.extend(m[-1] for m in matches)
1639
1640         return entries
1641
1642     @staticmethod
1643     def _extract_url(webpage):
1644         urls = YoutubeIE._extract_urls(webpage)
1645         return urls[0] if urls else None
1646
1647     @classmethod
1648     def extract_id(cls, url):
1649         mobj = re.match(cls._VALID_URL, url, re.VERBOSE)
1650         if mobj is None:
1651             raise ExtractorError('Invalid URL: %s' % url)
1652         video_id = mobj.group(2)
1653         return video_id
1654
1655     def _extract_chapters_from_json(self, webpage, video_id, duration):
1656         if not webpage:
1657             return
1658         player = self._parse_json(
1659             self._search_regex(
1660                 r'RELATED_PLAYER_ARGS["\']\s*:\s*({.+})\s*,?\s*\n', webpage,
1661                 'player args', default='{}'),
1662             video_id, fatal=False)
1663         if not player or not isinstance(player, dict):
1664             return
1665         watch_next_response = player.get('watch_next_response')
1666         if not isinstance(watch_next_response, compat_str):
1667             return
1668         response = self._parse_json(watch_next_response, video_id, fatal=False)
1669         if not response or not isinstance(response, dict):
1670             return
1671         chapters_list = try_get(
1672             response,
1673             lambda x: x['playerOverlays']
1674                        ['playerOverlayRenderer']
1675                        ['decoratedPlayerBarRenderer']
1676                        ['decoratedPlayerBarRenderer']
1677                        ['playerBar']
1678                        ['chapteredPlayerBarRenderer']
1679                        ['chapters'],
1680             list)
1681         if not chapters_list:
1682             return
1683
1684         def chapter_time(chapter):
1685             return float_or_none(
1686                 try_get(
1687                     chapter,
1688                     lambda x: x['chapterRenderer']['timeRangeStartMillis'],
1689                     int),
1690                 scale=1000)
1691         chapters = []
1692         for next_num, chapter in enumerate(chapters_list, start=1):
1693             start_time = chapter_time(chapter)
1694             if start_time is None:
1695                 continue
1696             end_time = (chapter_time(chapters_list[next_num])
1697                         if next_num < len(chapters_list) else duration)
1698             if end_time is None:
1699                 continue
1700             title = try_get(
1701                 chapter, lambda x: x['chapterRenderer']['title']['simpleText'],
1702                 compat_str)
1703             chapters.append({
1704                 'start_time': start_time,
1705                 'end_time': end_time,
1706                 'title': title,
1707             })
1708         return chapters
1709
1710     @staticmethod
1711     def _extract_chapters_from_description(description, duration):
1712         if not description:
1713             return None
1714         chapter_lines = re.findall(
1715             r'(?:^|<br\s*/>)([^<]*<a[^>]+onclick=["\']yt\.www\.watch\.player\.seekTo[^>]+>(\d{1,2}:\d{1,2}(?::\d{1,2})?)</a>[^>]*)(?=$|<br\s*/>)',
1716             description)
1717         if not chapter_lines:
1718             return None
1719         chapters = []
1720         for next_num, (chapter_line, time_point) in enumerate(
1721                 chapter_lines, start=1):
1722             start_time = parse_duration(time_point)
1723             if start_time is None:
1724                 continue
1725             if start_time > duration:
1726                 break
1727             end_time = (duration if next_num == len(chapter_lines)
1728                         else parse_duration(chapter_lines[next_num][1]))
1729             if end_time is None:
1730                 continue
1731             if end_time > duration:
1732                 end_time = duration
1733             if start_time > end_time:
1734                 break
1735             chapter_title = re.sub(
1736                 r'<a[^>]+>[^<]+</a>', '', chapter_line).strip(' \t-')
1737             chapter_title = re.sub(r'\s+', ' ', chapter_title)
1738             chapters.append({
1739                 'start_time': start_time,
1740                 'end_time': end_time,
1741                 'title': chapter_title,
1742             })
1743         return chapters
1744
1745     def _extract_chapters(self, webpage, description, video_id, duration):
1746         return (self._extract_chapters_from_json(webpage, video_id, duration)
1747                 or self._extract_chapters_from_description(description, duration))
1748
1749     def _real_extract(self, url):
1750         url, smuggled_data = unsmuggle_url(url, {})
1751
1752         proto = (
1753             'http' if self._downloader.params.get('prefer_insecure', False)
1754             else 'https')
1755
1756         start_time = None
1757         end_time = None
1758         parsed_url = compat_urllib_parse_urlparse(url)
1759         for component in [parsed_url.fragment, parsed_url.query]:
1760             query = compat_parse_qs(component)
1761             if start_time is None and 't' in query:
1762                 start_time = parse_duration(query['t'][0])
1763             if start_time is None and 'start' in query:
1764                 start_time = parse_duration(query['start'][0])
1765             if end_time is None and 'end' in query:
1766                 end_time = parse_duration(query['end'][0])
1767
1768         # Extract original video URL from URL with redirection, like age verification, using next_url parameter
1769         mobj = re.search(self._NEXT_URL_RE, url)
1770         if mobj:
1771             url = proto + '://www.youtube.com/' + compat_urllib_parse_unquote(mobj.group(1)).lstrip('/')
1772         video_id = self.extract_id(url)
1773
1774         # Get video webpage
1775         url = proto + '://www.youtube.com/watch?v=%s&gl=US&hl=en&has_verified=1&bpctr=9999999999' % video_id
1776         video_webpage, urlh = self._download_webpage_handle(url, video_id)
1777
1778         qs = compat_parse_qs(compat_urllib_parse_urlparse(urlh.geturl()).query)
1779         video_id = qs.get('v', [None])[0] or video_id
1780
1781         # Attempt to extract SWF player URL
1782         mobj = re.search(r'swfConfig.*?"(https?:\\/\\/.*?watch.*?-.*?\.swf)"', video_webpage)
1783         if mobj is not None:
1784             player_url = re.sub(r'\\(.)', r'\1', mobj.group(1))
1785         else:
1786             player_url = None
1787
1788         dash_mpds = []
1789
1790         def add_dash_mpd(video_info):
1791             dash_mpd = video_info.get('dashmpd')
1792             if dash_mpd and dash_mpd[0] not in dash_mpds:
1793                 dash_mpds.append(dash_mpd[0])
1794
1795         def add_dash_mpd_pr(pl_response):
1796             dash_mpd = url_or_none(try_get(
1797                 pl_response, lambda x: x['streamingData']['dashManifestUrl'],
1798                 compat_str))
1799             if dash_mpd and dash_mpd not in dash_mpds:
1800                 dash_mpds.append(dash_mpd)
1801
1802         is_live = None
1803         view_count = None
1804
1805         def extract_view_count(v_info):
1806             return int_or_none(try_get(v_info, lambda x: x['view_count'][0]))
1807
1808         def extract_player_response(player_response, video_id):
1809             pl_response = str_or_none(player_response)
1810             if not pl_response:
1811                 return
1812             pl_response = self._parse_json(pl_response, video_id, fatal=False)
1813             if isinstance(pl_response, dict):
1814                 add_dash_mpd_pr(pl_response)
1815                 return pl_response
1816
1817         player_response = {}
1818
1819         # Get video info
1820         video_info = {}
1821         embed_webpage = None
1822         if re.search(r'player-age-gate-content">', video_webpage) is not None:
1823             age_gate = True
1824             # We simulate the access to the video from www.youtube.com/v/{video_id}
1825             # this can be viewed without login into Youtube
1826             url = proto + '://www.youtube.com/embed/%s' % video_id
1827             embed_webpage = self._download_webpage(url, video_id, 'Downloading embed webpage')
1828             data = compat_urllib_parse_urlencode({
1829                 'video_id': video_id,
1830                 'eurl': 'https://youtube.googleapis.com/v/' + video_id,
1831                 'sts': self._search_regex(
1832                     r'"sts"\s*:\s*(\d+)', embed_webpage, 'sts', default=''),
1833             })
1834             video_info_url = proto + '://www.youtube.com/get_video_info?' + data
1835             try:
1836                 video_info_webpage = self._download_webpage(
1837                     video_info_url, video_id,
1838                     note='Refetching age-gated info webpage',
1839                     errnote='unable to download video info webpage')
1840             except ExtractorError:
1841                 video_info_webpage = None
1842             if video_info_webpage:
1843                 video_info = compat_parse_qs(video_info_webpage)
1844                 pl_response = video_info.get('player_response', [None])[0]
1845                 player_response = extract_player_response(pl_response, video_id)
1846                 add_dash_mpd(video_info)
1847                 view_count = extract_view_count(video_info)
1848         else:
1849             age_gate = False
1850             # Try looking directly into the video webpage
1851             ytplayer_config = self._get_ytplayer_config(video_id, video_webpage)
1852             if ytplayer_config:
1853                 args = ytplayer_config['args']
1854                 if args.get('url_encoded_fmt_stream_map') or args.get('hlsvp'):
1855                     # Convert to the same format returned by compat_parse_qs
1856                     video_info = dict((k, [v]) for k, v in args.items())
1857                     add_dash_mpd(video_info)
1858                 # Rental video is not rented but preview is available (e.g.
1859                 # https://www.youtube.com/watch?v=yYr8q0y5Jfg,
1860                 # https://github.com/ytdl-org/youtube-dl/issues/10532)
1861                 if not video_info and args.get('ypc_vid'):
1862                     return self.url_result(
1863                         args['ypc_vid'], YoutubeIE.ie_key(), video_id=args['ypc_vid'])
1864                 if args.get('livestream') == '1' or args.get('live_playback') == 1:
1865                     is_live = True
1866                 if not player_response:
1867                     player_response = extract_player_response(args.get('player_response'), video_id)
1868             if not video_info or self._downloader.params.get('youtube_include_dash_manifest', True):
1869                 add_dash_mpd_pr(player_response)
1870
1871         def extract_unavailable_message():
1872             messages = []
1873             for tag, kind in (('h1', 'message'), ('div', 'submessage')):
1874                 msg = self._html_search_regex(
1875                     r'(?s)<{tag}[^>]+id=["\']unavailable-{kind}["\'][^>]*>(.+?)</{tag}>'.format(tag=tag, kind=kind),
1876                     video_webpage, 'unavailable %s' % kind, default=None)
1877                 if msg:
1878                     messages.append(msg)
1879             if messages:
1880                 return '\n'.join(messages)
1881
1882         if not video_info and not player_response:
1883             unavailable_message = extract_unavailable_message()
1884             if not unavailable_message:
1885                 unavailable_message = 'Unable to extract video data'
1886             raise ExtractorError(
1887                 'YouTube said: %s' % unavailable_message, expected=True, video_id=video_id)
1888
1889         if not isinstance(video_info, dict):
1890             video_info = {}
1891
1892         video_details = try_get(
1893             player_response, lambda x: x['videoDetails'], dict) or {}
1894
1895         video_title = video_info.get('title', [None])[0] or video_details.get('title')
1896         if not video_title:
1897             self._downloader.report_warning('Unable to extract video title')
1898             video_title = '_'
1899
1900         description_original = video_description = get_element_by_id("eow-description", video_webpage)
1901         if video_description:
1902
1903             def replace_url(m):
1904                 redir_url = compat_urlparse.urljoin(url, m.group(1))
1905                 parsed_redir_url = compat_urllib_parse_urlparse(redir_url)
1906                 if re.search(r'^(?:www\.)?(?:youtube(?:-nocookie)?\.com|youtu\.be)$', parsed_redir_url.netloc) and parsed_redir_url.path == '/redirect':
1907                     qs = compat_parse_qs(parsed_redir_url.query)
1908                     q = qs.get('q')
1909                     if q and q[0]:
1910                         return q[0]
1911                 return redir_url
1912
1913             description_original = video_description = re.sub(r'''(?x)
1914                 <a\s+
1915                     (?:[a-zA-Z-]+="[^"]*"\s+)*?
1916                     (?:title|href)="([^"]+)"\s+
1917                     (?:[a-zA-Z-]+="[^"]*"\s+)*?
1918                     class="[^"]*"[^>]*>
1919                 [^<]+\.{3}\s*
1920                 </a>
1921             ''', replace_url, video_description)
1922             video_description = clean_html(video_description)
1923         else:
1924             video_description = self._html_search_meta('description', video_webpage) or video_details.get('shortDescription')
1925
1926         if not smuggled_data.get('force_singlefeed', False):
1927             if not self._downloader.params.get('noplaylist'):
1928                 multifeed_metadata_list = try_get(
1929                     player_response,
1930                     lambda x: x['multicamera']['playerLegacyMulticameraRenderer']['metadataList'],
1931                     compat_str) or try_get(
1932                     video_info, lambda x: x['multifeed_metadata_list'][0], compat_str)
1933                 if multifeed_metadata_list:
1934                     entries = []
1935                     feed_ids = []
1936                     for feed in multifeed_metadata_list.split(','):
1937                         # Unquote should take place before split on comma (,) since textual
1938                         # fields may contain comma as well (see
1939                         # https://github.com/ytdl-org/youtube-dl/issues/8536)
1940                         feed_data = compat_parse_qs(compat_urllib_parse_unquote_plus(feed))
1941
1942                         def feed_entry(name):
1943                             return try_get(feed_data, lambda x: x[name][0], compat_str)
1944
1945                         feed_id = feed_entry('id')
1946                         if not feed_id:
1947                             continue
1948                         feed_title = feed_entry('title')
1949                         title = video_title
1950                         if feed_title:
1951                             title += ' (%s)' % feed_title
1952                         entries.append({
1953                             '_type': 'url_transparent',
1954                             'ie_key': 'Youtube',
1955                             'url': smuggle_url(
1956                                 '%s://www.youtube.com/watch?v=%s' % (proto, feed_data['id'][0]),
1957                                 {'force_singlefeed': True}),
1958                             'title': title,
1959                         })
1960                         feed_ids.append(feed_id)
1961                     self.to_screen(
1962                         'Downloading multifeed video (%s) - add --no-playlist to just download video %s'
1963                         % (', '.join(feed_ids), video_id))
1964                     return self.playlist_result(entries, video_id, video_title, video_description)
1965             else:
1966                 self.to_screen('Downloading just video %s because of --no-playlist' % video_id)
1967
1968         if view_count is None:
1969             view_count = extract_view_count(video_info)
1970         if view_count is None and video_details:
1971             view_count = int_or_none(video_details.get('viewCount'))
1972
1973         if is_live is None:
1974             is_live = bool_or_none(video_details.get('isLive'))
1975
1976         # Check for "rental" videos
1977         if 'ypc_video_rental_bar_text' in video_info and 'author' not in video_info:
1978             raise ExtractorError('"rental" videos not supported. See https://github.com/ytdl-org/youtube-dl/issues/359 for more information.', expected=True)
1979
1980         def _extract_filesize(media_url):
1981             return int_or_none(self._search_regex(
1982                 r'\bclen[=/](\d+)', media_url, 'filesize', default=None))
1983
1984         streaming_formats = try_get(player_response, lambda x: x['streamingData']['formats'], list) or []
1985         streaming_formats.extend(try_get(player_response, lambda x: x['streamingData']['adaptiveFormats'], list) or [])
1986
1987         if 'conn' in video_info and video_info['conn'][0].startswith('rtmp'):
1988             self.report_rtmp_download()
1989             formats = [{
1990                 'format_id': '_rtmp',
1991                 'protocol': 'rtmp',
1992                 'url': video_info['conn'][0],
1993                 'player_url': player_url,
1994             }]
1995         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):
1996             encoded_url_map = video_info.get('url_encoded_fmt_stream_map', [''])[0] + ',' + video_info.get('adaptive_fmts', [''])[0]
1997             if 'rtmpe%3Dyes' in encoded_url_map:
1998                 raise ExtractorError('rtmpe downloads are not supported, see https://github.com/ytdl-org/youtube-dl/issues/343 for more information.', expected=True)
1999             formats = []
2000             formats_spec = {}
2001             fmt_list = video_info.get('fmt_list', [''])[0]
2002             if fmt_list:
2003                 for fmt in fmt_list.split(','):
2004                     spec = fmt.split('/')
2005                     if len(spec) > 1:
2006                         width_height = spec[1].split('x')
2007                         if len(width_height) == 2:
2008                             formats_spec[spec[0]] = {
2009                                 'resolution': spec[1],
2010                                 'width': int_or_none(width_height[0]),
2011                                 'height': int_or_none(width_height[1]),
2012                             }
2013             for fmt in streaming_formats:
2014                 itag = str_or_none(fmt.get('itag'))
2015                 if not itag:
2016                     continue
2017                 quality = fmt.get('quality')
2018                 quality_label = fmt.get('qualityLabel') or quality
2019                 formats_spec[itag] = {
2020                     'asr': int_or_none(fmt.get('audioSampleRate')),
2021                     'filesize': int_or_none(fmt.get('contentLength')),
2022                     'format_note': quality_label,
2023                     'fps': int_or_none(fmt.get('fps')),
2024                     'height': int_or_none(fmt.get('height')),
2025                     # bitrate for itag 43 is always 2147483647
2026                     'tbr': float_or_none(fmt.get('averageBitrate') or fmt.get('bitrate'), 1000) if itag != '43' else None,
2027                     'width': int_or_none(fmt.get('width')),
2028                 }
2029
2030             for fmt in streaming_formats:
2031                 if fmt.get('drmFamilies') or fmt.get('drm_families'):
2032                     continue
2033                 url = url_or_none(fmt.get('url'))
2034
2035                 if not url:
2036                     cipher = fmt.get('cipher') or fmt.get('signatureCipher')
2037                     if not cipher:
2038                         continue
2039                     url_data = compat_parse_qs(cipher)
2040                     url = url_or_none(try_get(url_data, lambda x: x['url'][0], compat_str))
2041                     if not url:
2042                         continue
2043                 else:
2044                     cipher = None
2045                     url_data = compat_parse_qs(compat_urllib_parse_urlparse(url).query)
2046
2047                 stream_type = int_or_none(try_get(url_data, lambda x: x['stream_type'][0]))
2048                 # Unsupported FORMAT_STREAM_TYPE_OTF
2049                 if stream_type == 3:
2050                     continue
2051
2052                 format_id = fmt.get('itag') or url_data['itag'][0]
2053                 if not format_id:
2054                     continue
2055                 format_id = compat_str(format_id)
2056
2057                 if cipher:
2058                     if 's' in url_data or self._downloader.params.get('youtube_include_dash_manifest', True):
2059                         ASSETS_RE = r'"assets":.+?"js":\s*("[^"]+")'
2060                         jsplayer_url_json = self._search_regex(
2061                             ASSETS_RE,
2062                             embed_webpage if age_gate else video_webpage,
2063                             'JS player URL (1)', default=None)
2064                         if not jsplayer_url_json and not age_gate:
2065                             # We need the embed website after all
2066                             if embed_webpage is None:
2067                                 embed_url = proto + '://www.youtube.com/embed/%s' % video_id
2068                                 embed_webpage = self._download_webpage(
2069                                     embed_url, video_id, 'Downloading embed webpage')
2070                             jsplayer_url_json = self._search_regex(
2071                                 ASSETS_RE, embed_webpage, 'JS player URL')
2072
2073                         player_url = json.loads(jsplayer_url_json)
2074                         if player_url is None:
2075                             player_url_json = self._search_regex(
2076                                 r'ytplayer\.config.*?"url"\s*:\s*("[^"]+")',
2077                                 video_webpage, 'age gate player URL')
2078                             player_url = json.loads(player_url_json)
2079
2080                     if 'sig' in url_data:
2081                         url += '&signature=' + url_data['sig'][0]
2082                     elif 's' in url_data:
2083                         encrypted_sig = url_data['s'][0]
2084
2085                         if self._downloader.params.get('verbose'):
2086                             if player_url is None:
2087                                 player_desc = 'unknown'
2088                             else:
2089                                 player_type, player_version = self._extract_player_info(player_url)
2090                                 player_desc = '%s player %s' % ('flash' if player_type == 'swf' else 'html5', player_version)
2091                             parts_sizes = self._signature_cache_id(encrypted_sig)
2092                             self.to_screen('{%s} signature length %s, %s' %
2093                                            (format_id, parts_sizes, player_desc))
2094
2095                         signature = self._decrypt_signature(
2096                             encrypted_sig, video_id, player_url, age_gate)
2097                         sp = try_get(url_data, lambda x: x['sp'][0], compat_str) or 'signature'
2098                         url += '&%s=%s' % (sp, signature)
2099                 if 'ratebypass' not in url:
2100                     url += '&ratebypass=yes'
2101
2102                 dct = {
2103                     'format_id': format_id,
2104                     'url': url,
2105                     'player_url': player_url,
2106                 }
2107                 if format_id in self._formats:
2108                     dct.update(self._formats[format_id])
2109                 if format_id in formats_spec:
2110                     dct.update(formats_spec[format_id])
2111
2112                 # Some itags are not included in DASH manifest thus corresponding formats will
2113                 # lack metadata (see https://github.com/ytdl-org/youtube-dl/pull/5993).
2114                 # Trying to extract metadata from url_encoded_fmt_stream_map entry.
2115                 mobj = re.search(r'^(?P<width>\d+)[xX](?P<height>\d+)$', url_data.get('size', [''])[0])
2116                 width, height = (int(mobj.group('width')), int(mobj.group('height'))) if mobj else (None, None)
2117
2118                 if width is None:
2119                     width = int_or_none(fmt.get('width'))
2120                 if height is None:
2121                     height = int_or_none(fmt.get('height'))
2122
2123                 filesize = int_or_none(url_data.get(
2124                     'clen', [None])[0]) or _extract_filesize(url)
2125
2126                 quality = url_data.get('quality', [None])[0] or fmt.get('quality')
2127                 quality_label = url_data.get('quality_label', [None])[0] or fmt.get('qualityLabel')
2128
2129                 tbr = (float_or_none(url_data.get('bitrate', [None])[0], 1000)
2130                        or float_or_none(fmt.get('bitrate'), 1000)) if format_id != '43' else None
2131                 fps = int_or_none(url_data.get('fps', [None])[0]) or int_or_none(fmt.get('fps'))
2132
2133                 more_fields = {
2134                     'filesize': filesize,
2135                     'tbr': tbr,
2136                     'width': width,
2137                     'height': height,
2138                     'fps': fps,
2139                     'format_note': quality_label or quality,
2140                 }
2141                 for key, value in more_fields.items():
2142                     if value:
2143                         dct[key] = value
2144                 type_ = url_data.get('type', [None])[0] or fmt.get('mimeType')
2145                 if type_:
2146                     type_split = type_.split(';')
2147                     kind_ext = type_split[0].split('/')
2148                     if len(kind_ext) == 2:
2149                         kind, _ = kind_ext
2150                         dct['ext'] = mimetype2ext(type_split[0])
2151                         if kind in ('audio', 'video'):
2152                             codecs = None
2153                             for mobj in re.finditer(
2154                                     r'(?P<key>[a-zA-Z_-]+)=(?P<quote>["\']?)(?P<val>.+?)(?P=quote)(?:;|$)', type_):
2155                                 if mobj.group('key') == 'codecs':
2156                                     codecs = mobj.group('val')
2157                                     break
2158                             if codecs:
2159                                 dct.update(parse_codecs(codecs))
2160                 if dct.get('acodec') == 'none' or dct.get('vcodec') == 'none':
2161                     dct['downloader_options'] = {
2162                         # Youtube throttles chunks >~10M
2163                         'http_chunk_size': 10485760,
2164                     }
2165                 formats.append(dct)
2166         else:
2167             manifest_url = (
2168                 url_or_none(try_get(
2169                     player_response,
2170                     lambda x: x['streamingData']['hlsManifestUrl'],
2171                     compat_str))
2172                 or url_or_none(try_get(
2173                     video_info, lambda x: x['hlsvp'][0], compat_str)))
2174             if manifest_url:
2175                 formats = []
2176                 m3u8_formats = self._extract_m3u8_formats(
2177                     manifest_url, video_id, 'mp4', fatal=False)
2178                 for a_format in m3u8_formats:
2179                     itag = self._search_regex(
2180                         r'/itag/(\d+)/', a_format['url'], 'itag', default=None)
2181                     if itag:
2182                         a_format['format_id'] = itag
2183                         if itag in self._formats:
2184                             dct = self._formats[itag].copy()
2185                             dct.update(a_format)
2186                             a_format = dct
2187                     a_format['player_url'] = player_url
2188                     # Accept-Encoding header causes failures in live streams on Youtube and Youtube Gaming
2189                     a_format.setdefault('http_headers', {})['Youtubedl-no-compression'] = 'True'
2190                     formats.append(a_format)
2191             else:
2192                 error_message = extract_unavailable_message()
2193                 if not error_message:
2194                     error_message = clean_html(try_get(
2195                         player_response, lambda x: x['playabilityStatus']['reason'],
2196                         compat_str))
2197                 if not error_message:
2198                     error_message = clean_html(
2199                         try_get(video_info, lambda x: x['reason'][0], compat_str))
2200                 if error_message:
2201                     raise ExtractorError(error_message, expected=True)
2202                 raise ExtractorError('no conn, hlsvp, hlsManifestUrl or url_encoded_fmt_stream_map information found in video info')
2203
2204         # uploader
2205         video_uploader = try_get(
2206             video_info, lambda x: x['author'][0],
2207             compat_str) or str_or_none(video_details.get('author'))
2208         if video_uploader:
2209             video_uploader = compat_urllib_parse_unquote_plus(video_uploader)
2210         else:
2211             self._downloader.report_warning('unable to extract uploader name')
2212
2213         # uploader_id
2214         video_uploader_id = None
2215         video_uploader_url = None
2216         mobj = re.search(
2217             r'<link itemprop="url" href="(?P<uploader_url>https?://www\.youtube\.com/(?:user|channel)/(?P<uploader_id>[^"]+))">',
2218             video_webpage)
2219         if mobj is not None:
2220             video_uploader_id = mobj.group('uploader_id')
2221             video_uploader_url = mobj.group('uploader_url')
2222         else:
2223             self._downloader.report_warning('unable to extract uploader nickname')
2224
2225         channel_id = (
2226             str_or_none(video_details.get('channelId'))
2227             or self._html_search_meta(
2228                 'channelId', video_webpage, 'channel id', default=None)
2229             or self._search_regex(
2230                 r'data-channel-external-id=(["\'])(?P<id>(?:(?!\1).)+)\1',
2231                 video_webpage, 'channel id', default=None, group='id'))
2232         channel_url = 'http://www.youtube.com/channel/%s' % channel_id if channel_id else None
2233
2234         # thumbnail image
2235         # We try first to get a high quality image:
2236         m_thumb = re.search(r'<span itemprop="thumbnail".*?href="(.*?)">',
2237                             video_webpage, re.DOTALL)
2238         if m_thumb is not None:
2239             video_thumbnail = m_thumb.group(1)
2240         elif 'thumbnail_url' not in video_info:
2241             self._downloader.report_warning('unable to extract video thumbnail')
2242             video_thumbnail = None
2243         else:   # don't panic if we can't find it
2244             video_thumbnail = compat_urllib_parse_unquote_plus(video_info['thumbnail_url'][0])
2245
2246         # upload date
2247         upload_date = self._html_search_meta(
2248             'datePublished', video_webpage, 'upload date', default=None)
2249         if not upload_date:
2250             upload_date = self._search_regex(
2251                 [r'(?s)id="eow-date.*?>(.*?)</span>',
2252                  r'(?:id="watch-uploader-info".*?>.*?|["\']simpleText["\']\s*:\s*["\'])(?:Published|Uploaded|Streamed live|Started) on (.+?)[<"\']'],
2253                 video_webpage, 'upload date', default=None)
2254         upload_date = unified_strdate(upload_date)
2255
2256         video_license = self._html_search_regex(
2257             r'<h4[^>]+class="title"[^>]*>\s*License\s*</h4>\s*<ul[^>]*>\s*<li>(.+?)</li',
2258             video_webpage, 'license', default=None)
2259
2260         m_music = re.search(
2261             r'''(?x)
2262                 <h4[^>]+class="title"[^>]*>\s*Music\s*</h4>\s*
2263                 <ul[^>]*>\s*
2264                 <li>(?P<title>.+?)
2265                 by (?P<creator>.+?)
2266                 (?:
2267                     \(.+?\)|
2268                     <a[^>]*
2269                         (?:
2270                             \bhref=["\']/red[^>]*>|             # drop possible
2271                             >\s*Listen ad-free with YouTube Red # YouTube Red ad
2272                         )
2273                     .*?
2274                 )?</li
2275             ''',
2276             video_webpage)
2277         if m_music:
2278             video_alt_title = remove_quotes(unescapeHTML(m_music.group('title')))
2279             video_creator = clean_html(m_music.group('creator'))
2280         else:
2281             video_alt_title = video_creator = None
2282
2283         def extract_meta(field):
2284             return self._html_search_regex(
2285                 r'<h4[^>]+class="title"[^>]*>\s*%s\s*</h4>\s*<ul[^>]*>\s*<li>(.+?)</li>\s*' % field,
2286                 video_webpage, field, default=None)
2287
2288         track = extract_meta('Song')
2289         artist = extract_meta('Artist')
2290         album = extract_meta('Album')
2291
2292         # Youtube Music Auto-generated description
2293         release_date = release_year = None
2294         if video_description:
2295             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)
2296             if mobj:
2297                 if not track:
2298                     track = mobj.group('track').strip()
2299                 if not artist:
2300                     artist = mobj.group('clean_artist') or ', '.join(a.strip() for a in mobj.group('artist').split('·'))
2301                 if not album:
2302                     album = mobj.group('album'.strip())
2303                 release_year = mobj.group('release_year')
2304                 release_date = mobj.group('release_date')
2305                 if release_date:
2306                     release_date = release_date.replace('-', '')
2307                     if not release_year:
2308                         release_year = int(release_date[:4])
2309                 if release_year:
2310                     release_year = int(release_year)
2311
2312         m_episode = re.search(
2313             r'<div[^>]+id="watch7-headline"[^>]*>\s*<span[^>]*>.*?>(?P<series>[^<]+)</a></b>\s*S(?P<season>\d+)\s*•\s*E(?P<episode>\d+)</span>',
2314             video_webpage)
2315         if m_episode:
2316             series = unescapeHTML(m_episode.group('series'))
2317             season_number = int(m_episode.group('season'))
2318             episode_number = int(m_episode.group('episode'))
2319         else:
2320             series = season_number = episode_number = None
2321
2322         m_cat_container = self._search_regex(
2323             r'(?s)<h4[^>]*>\s*Category\s*</h4>\s*<ul[^>]*>(.*?)</ul>',
2324             video_webpage, 'categories', default=None)
2325         if m_cat_container:
2326             category = self._html_search_regex(
2327                 r'(?s)<a[^<]+>(.*?)</a>', m_cat_container, 'category',
2328                 default=None)
2329             video_categories = None if category is None else [category]
2330         else:
2331             video_categories = None
2332
2333         video_tags = [
2334             unescapeHTML(m.group('content'))
2335             for m in re.finditer(self._meta_regex('og:video:tag'), video_webpage)]
2336
2337         def _extract_count(count_name):
2338             return str_to_int(self._search_regex(
2339                 r'-%s-button[^>]+><span[^>]+class="yt-uix-button-content"[^>]*>([\d,]+)</span>'
2340                 % re.escape(count_name),
2341                 video_webpage, count_name, default=None))
2342
2343         like_count = _extract_count('like')
2344         dislike_count = _extract_count('dislike')
2345
2346         if view_count is None:
2347             view_count = str_to_int(self._search_regex(
2348                 r'<[^>]+class=["\']watch-view-count[^>]+>\s*([\d,\s]+)', video_webpage,
2349                 'view count', default=None))
2350
2351         average_rating = (
2352             float_or_none(video_details.get('averageRating'))
2353             or try_get(video_info, lambda x: float_or_none(x['avg_rating'][0])))
2354
2355         # subtitles
2356         video_subtitles = self.extract_subtitles(video_id, video_webpage)
2357         automatic_captions = self.extract_automatic_captions(video_id, video_webpage)
2358
2359         video_duration = try_get(
2360             video_info, lambda x: int_or_none(x['length_seconds'][0]))
2361         if not video_duration:
2362             video_duration = int_or_none(video_details.get('lengthSeconds'))
2363         if not video_duration:
2364             video_duration = parse_duration(self._html_search_meta(
2365                 'duration', video_webpage, 'video duration'))
2366
2367         # annotations
2368         video_annotations = None
2369         if self._downloader.params.get('writeannotations', False):
2370             xsrf_token = self._search_regex(
2371                 r'([\'"])XSRF_TOKEN\1\s*:\s*([\'"])(?P<xsrf_token>[A-Za-z0-9+/=]+)\2',
2372                 video_webpage, 'xsrf token', group='xsrf_token', fatal=False)
2373             invideo_url = try_get(
2374                 player_response, lambda x: x['annotations'][0]['playerAnnotationsUrlsRenderer']['invideoUrl'], compat_str)
2375             if xsrf_token and invideo_url:
2376                 xsrf_field_name = self._search_regex(
2377                     r'([\'"])XSRF_FIELD_NAME\1\s*:\s*([\'"])(?P<xsrf_field_name>\w+)\2',
2378                     video_webpage, 'xsrf field name',
2379                     group='xsrf_field_name', default='session_token')
2380                 video_annotations = self._download_webpage(
2381                     self._proto_relative_url(invideo_url),
2382                     video_id, note='Downloading annotations',
2383                     errnote='Unable to download video annotations', fatal=False,
2384                     data=urlencode_postdata({xsrf_field_name: xsrf_token}))
2385
2386         chapters = self._extract_chapters(video_webpage, description_original, video_id, video_duration)
2387
2388         # Look for the DASH manifest
2389         if self._downloader.params.get('youtube_include_dash_manifest', True):
2390             dash_mpd_fatal = True
2391             for mpd_url in dash_mpds:
2392                 dash_formats = {}
2393                 try:
2394                     def decrypt_sig(mobj):
2395                         s = mobj.group(1)
2396                         dec_s = self._decrypt_signature(s, video_id, player_url, age_gate)
2397                         return '/signature/%s' % dec_s
2398
2399                     mpd_url = re.sub(r'/s/([a-fA-F0-9\.]+)', decrypt_sig, mpd_url)
2400
2401                     for df in self._extract_mpd_formats(
2402                             mpd_url, video_id, fatal=dash_mpd_fatal,
2403                             formats_dict=self._formats):
2404                         if not df.get('filesize'):
2405                             df['filesize'] = _extract_filesize(df['url'])
2406                         # Do not overwrite DASH format found in some previous DASH manifest
2407                         if df['format_id'] not in dash_formats:
2408                             dash_formats[df['format_id']] = df
2409                         # Additional DASH manifests may end up in HTTP Error 403 therefore
2410                         # allow them to fail without bug report message if we already have
2411                         # some DASH manifest succeeded. This is temporary workaround to reduce
2412                         # burst of bug reports until we figure out the reason and whether it
2413                         # can be fixed at all.
2414                         dash_mpd_fatal = False
2415                 except (ExtractorError, KeyError) as e:
2416                     self.report_warning(
2417                         'Skipping DASH manifest: %r' % e, video_id)
2418                 if dash_formats:
2419                     # Remove the formats we found through non-DASH, they
2420                     # contain less info and it can be wrong, because we use
2421                     # fixed values (for example the resolution). See
2422                     # https://github.com/ytdl-org/youtube-dl/issues/5774 for an
2423                     # example.
2424                     formats = [f for f in formats if f['format_id'] not in dash_formats.keys()]
2425                     formats.extend(dash_formats.values())
2426
2427         # Check for malformed aspect ratio
2428         stretched_m = re.search(
2429             r'<meta\s+property="og:video:tag".*?content="yt:stretch=(?P<w>[0-9]+):(?P<h>[0-9]+)">',
2430             video_webpage)
2431         if stretched_m:
2432             w = float(stretched_m.group('w'))
2433             h = float(stretched_m.group('h'))
2434             # yt:stretch may hold invalid ratio data (e.g. for Q39EVAstoRM ratio is 17:0).
2435             # We will only process correct ratios.
2436             if w > 0 and h > 0:
2437                 ratio = w / h
2438                 for f in formats:
2439                     if f.get('vcodec') != 'none':
2440                         f['stretched_ratio'] = ratio
2441
2442         if not formats:
2443             if 'reason' in video_info:
2444                 if 'The uploader has not made this video available in your country.' in video_info['reason']:
2445                     regions_allowed = self._html_search_meta(
2446                         'regionsAllowed', video_webpage, default=None)
2447                     countries = regions_allowed.split(',') if regions_allowed else None
2448                     self.raise_geo_restricted(
2449                         msg=video_info['reason'][0], countries=countries)
2450                 reason = video_info['reason'][0]
2451                 if 'Invalid parameters' in reason:
2452                     unavailable_message = extract_unavailable_message()
2453                     if unavailable_message:
2454                         reason = unavailable_message
2455                 raise ExtractorError(
2456                     'YouTube said: %s' % reason,
2457                     expected=True, video_id=video_id)
2458             if video_info.get('license_info') or try_get(player_response, lambda x: x['streamingData']['licenseInfos']):
2459                 raise ExtractorError('This video is DRM protected.', expected=True)
2460
2461         self._sort_formats(formats)
2462
2463         self.mark_watched(video_id, video_info, player_response)
2464
2465         return {
2466             'id': video_id,
2467             'uploader': video_uploader,
2468             'uploader_id': video_uploader_id,
2469             'uploader_url': video_uploader_url,
2470             'channel_id': channel_id,
2471             'channel_url': channel_url,
2472             'upload_date': upload_date,
2473             'license': video_license,
2474             'creator': video_creator or artist,
2475             'title': video_title,
2476             'alt_title': video_alt_title or track,
2477             'thumbnail': video_thumbnail,
2478             'description': video_description,
2479             'categories': video_categories,
2480             'tags': video_tags,
2481             'subtitles': video_subtitles,
2482             'automatic_captions': automatic_captions,
2483             'duration': video_duration,
2484             'age_limit': 18 if age_gate else 0,
2485             'annotations': video_annotations,
2486             'chapters': chapters,
2487             'webpage_url': proto + '://www.youtube.com/watch?v=%s' % video_id,
2488             'view_count': view_count,
2489             'like_count': like_count,
2490             'dislike_count': dislike_count,
2491             'average_rating': average_rating,
2492             'formats': formats,
2493             'is_live': is_live,
2494             'start_time': start_time,
2495             'end_time': end_time,
2496             'series': series,
2497             'season_number': season_number,
2498             'episode_number': episode_number,
2499             'track': track,
2500             'artist': artist,
2501             'album': album,
2502             'release_date': release_date,
2503             'release_year': release_year,
2504         }
2505
2506
2507 class YoutubePlaylistIE(YoutubePlaylistBaseInfoExtractor):
2508     IE_DESC = 'YouTube.com playlists'
2509     _VALID_URL = r"""(?x)(?:
2510                         (?:https?://)?
2511                         (?:\w+\.)?
2512                         (?:
2513                             (?:
2514                                 youtube(?:kids)?\.com|
2515                                 invidio\.us
2516                             )
2517                             /
2518                             (?:
2519                                (?:course|view_play_list|my_playlists|artist|playlist|watch|embed/(?:videoseries|[0-9A-Za-z_-]{11}))
2520                                \? (?:.*?[&;])*? (?:p|a|list)=
2521                             |  p/
2522                             )|
2523                             youtu\.be/[0-9A-Za-z_-]{11}\?.*?\blist=
2524                         )
2525                         (
2526                             (?:PL|LL|EC|UU|FL|RD|UL|TL|PU|OLAK5uy_)?[0-9A-Za-z-_]{10,}
2527                             # Top tracks, they can also include dots
2528                             |(?:MC)[\w\.]*
2529                         )
2530                         .*
2531                      |
2532                         (%(playlist_id)s)
2533                      )""" % {'playlist_id': YoutubeBaseInfoExtractor._PLAYLIST_ID_RE}
2534     _TEMPLATE_URL = 'https://www.youtube.com/playlist?list=%s'
2535     _VIDEO_RE_TPL = r'href="\s*/watch\?v=%s(?:&amp;(?:[^"]*?index=(?P<index>\d+))?(?:[^>]+>(?P<title>[^<]+))?)?'
2536     _VIDEO_RE = _VIDEO_RE_TPL % r'(?P<id>[0-9A-Za-z_-]{11})'
2537     IE_NAME = 'youtube:playlist'
2538     _TESTS = [{
2539         'url': 'https://www.youtube.com/playlist?list=PL4lCao7KL_QFVb7Iudeipvc2BCavECqzc',
2540         'info_dict': {
2541             'uploader_id': 'UCmlqkdCBesrv2Lak1mF_MxA',
2542             'uploader': 'Sergey M.',
2543             'id': 'PL4lCao7KL_QFVb7Iudeipvc2BCavECqzc',
2544             'title': 'youtube-dl public playlist',
2545         },
2546         'playlist_count': 1,
2547     }, {
2548         'url': 'https://www.youtube.com/playlist?list=PL4lCao7KL_QFodcLWhDpGCYnngnHtQ-Xf',
2549         'info_dict': {
2550             'uploader_id': 'UCmlqkdCBesrv2Lak1mF_MxA',
2551             'uploader': 'Sergey M.',
2552             'id': 'PL4lCao7KL_QFodcLWhDpGCYnngnHtQ-Xf',
2553             'title': 'youtube-dl empty playlist',
2554         },
2555         'playlist_count': 0,
2556     }, {
2557         'note': 'Playlist with deleted videos (#651). As a bonus, the video #51 is also twice in this list.',
2558         'url': 'https://www.youtube.com/playlist?list=PLwP_SiAcdui0KVebT0mU9Apz359a4ubsC',
2559         'info_dict': {
2560             'title': '29C3: Not my department',
2561             'id': 'PLwP_SiAcdui0KVebT0mU9Apz359a4ubsC',
2562             'uploader': 'Christiaan008',
2563             'uploader_id': 'ChRiStIaAn008',
2564         },
2565         'playlist_count': 96,
2566     }, {
2567         'note': 'issue #673',
2568         'url': 'PLBB231211A4F62143',
2569         'info_dict': {
2570             'title': '[OLD]Team Fortress 2 (Class-based LP)',
2571             'id': 'PLBB231211A4F62143',
2572             'uploader': 'Wickydoo',
2573             'uploader_id': 'Wickydoo',
2574         },
2575         'playlist_mincount': 26,
2576     }, {
2577         'note': 'Large playlist',
2578         'url': 'https://www.youtube.com/playlist?list=UUBABnxM4Ar9ten8Mdjj1j0Q',
2579         'info_dict': {
2580             'title': 'Uploads from Cauchemar',
2581             'id': 'UUBABnxM4Ar9ten8Mdjj1j0Q',
2582             'uploader': 'Cauchemar',
2583             'uploader_id': 'Cauchemar89',
2584         },
2585         'playlist_mincount': 799,
2586     }, {
2587         'url': 'PLtPgu7CB4gbY9oDN3drwC3cMbJggS7dKl',
2588         'info_dict': {
2589             'title': 'YDL_safe_search',
2590             'id': 'PLtPgu7CB4gbY9oDN3drwC3cMbJggS7dKl',
2591         },
2592         'playlist_count': 2,
2593         'skip': 'This playlist is private',
2594     }, {
2595         'note': 'embedded',
2596         'url': 'https://www.youtube.com/embed/videoseries?list=PL6IaIsEjSbf96XFRuNccS_RuEXwNdsoEu',
2597         'playlist_count': 4,
2598         'info_dict': {
2599             'title': 'JODA15',
2600             'id': 'PL6IaIsEjSbf96XFRuNccS_RuEXwNdsoEu',
2601             'uploader': 'milan',
2602             'uploader_id': 'UCEI1-PVPcYXjB73Hfelbmaw',
2603         }
2604     }, {
2605         'url': 'http://www.youtube.com/embed/_xDOZElKyNU?list=PLsyOSbh5bs16vubvKePAQ1x3PhKavfBIl',
2606         'playlist_mincount': 485,
2607         'info_dict': {
2608             'title': '2018 Chinese New Singles (11/6 updated)',
2609             'id': 'PLsyOSbh5bs16vubvKePAQ1x3PhKavfBIl',
2610             'uploader': 'LBK',
2611             'uploader_id': 'sdragonfang',
2612         }
2613     }, {
2614         'note': 'Embedded SWF player',
2615         'url': 'https://www.youtube.com/p/YN5VISEtHet5D4NEvfTd0zcgFk84NqFZ?hl=en_US&fs=1&rel=0',
2616         'playlist_count': 4,
2617         'info_dict': {
2618             'title': 'JODA7',
2619             'id': 'YN5VISEtHet5D4NEvfTd0zcgFk84NqFZ',
2620         },
2621         'skip': 'This playlist does not exist',
2622     }, {
2623         'note': 'Buggy playlist: the webpage has a "Load more" button but it doesn\'t have more videos',
2624         'url': 'https://www.youtube.com/playlist?list=UUXw-G3eDE9trcvY2sBMM_aA',
2625         'info_dict': {
2626             'title': 'Uploads from Interstellar Movie',
2627             'id': 'UUXw-G3eDE9trcvY2sBMM_aA',
2628             'uploader': 'Interstellar Movie',
2629             'uploader_id': 'InterstellarMovie1',
2630         },
2631         'playlist_mincount': 21,
2632     }, {
2633         # Playlist URL that does not actually serve a playlist
2634         'url': 'https://www.youtube.com/watch?v=FqZTN594JQw&list=PLMYEtVRpaqY00V9W81Cwmzp6N6vZqfUKD4',
2635         'info_dict': {
2636             'id': 'FqZTN594JQw',
2637             'ext': 'webm',
2638             'title': "Smiley's People 01 detective, Adventure Series, Action",
2639             'uploader': 'STREEM',
2640             'uploader_id': 'UCyPhqAZgwYWZfxElWVbVJng',
2641             'uploader_url': r're:https?://(?:www\.)?youtube\.com/channel/UCyPhqAZgwYWZfxElWVbVJng',
2642             'upload_date': '20150526',
2643             'license': 'Standard YouTube License',
2644             'description': 'md5:507cdcb5a49ac0da37a920ece610be80',
2645             'categories': ['People & Blogs'],
2646             'tags': list,
2647             'view_count': int,
2648             'like_count': int,
2649             'dislike_count': int,
2650         },
2651         'params': {
2652             'skip_download': True,
2653         },
2654         'skip': 'This video is not available.',
2655         'add_ie': [YoutubeIE.ie_key()],
2656     }, {
2657         'url': 'https://youtu.be/yeWKywCrFtk?list=PL2qgrgXsNUG5ig9cat4ohreBjYLAPC0J5',
2658         'info_dict': {
2659             'id': 'yeWKywCrFtk',
2660             'ext': 'mp4',
2661             'title': 'Small Scale Baler and Braiding Rugs',
2662             'uploader': 'Backus-Page House Museum',
2663             'uploader_id': 'backuspagemuseum',
2664             'uploader_url': r're:https?://(?:www\.)?youtube\.com/user/backuspagemuseum',
2665             'upload_date': '20161008',
2666             'description': 'md5:800c0c78d5eb128500bffd4f0b4f2e8a',
2667             'categories': ['Nonprofits & Activism'],
2668             'tags': list,
2669             'like_count': int,
2670             'dislike_count': int,
2671         },
2672         'params': {
2673             'noplaylist': True,
2674             'skip_download': True,
2675         },
2676     }, {
2677         # https://github.com/ytdl-org/youtube-dl/issues/21844
2678         'url': 'https://www.youtube.com/playlist?list=PLzH6n4zXuckpfMu_4Ff8E7Z1behQks5ba',
2679         'info_dict': {
2680             'title': 'Data Analysis with Dr Mike Pound',
2681             'id': 'PLzH6n4zXuckpfMu_4Ff8E7Z1behQks5ba',
2682             'uploader_id': 'Computerphile',
2683             'uploader': 'Computerphile',
2684         },
2685         'playlist_mincount': 11,
2686     }, {
2687         'url': 'https://youtu.be/uWyaPkt-VOI?list=PL9D9FC436B881BA21',
2688         'only_matching': True,
2689     }, {
2690         'url': 'TLGGrESM50VT6acwMjAyMjAxNw',
2691         'only_matching': True,
2692     }, {
2693         # music album playlist
2694         'url': 'OLAK5uy_m4xAFdmMC5rX3Ji3g93pQe3hqLZw_9LhM',
2695         'only_matching': True,
2696     }, {
2697         'url': 'https://invidio.us/playlist?list=PLDIoUOhQQPlXr63I_vwF9GD8sAKh77dWU',
2698         'only_matching': True,
2699     }, {
2700         'url': 'https://www.youtubekids.com/watch?v=Agk7R8I8o5U&list=PUZ6jURNr1WQZCNHF0ao-c0g',
2701         'only_matching': True,
2702     }]
2703
2704     def _real_initialize(self):
2705         self._login()
2706
2707     def extract_videos_from_page(self, page):
2708         ids_in_page = []
2709         titles_in_page = []
2710
2711         for item in re.findall(
2712                 r'(<[^>]*\bdata-video-id\s*=\s*["\'][0-9A-Za-z_-]{11}[^>]+>)', page):
2713             attrs = extract_attributes(item)
2714             video_id = attrs['data-video-id']
2715             video_title = unescapeHTML(attrs.get('data-title'))
2716             if video_title:
2717                 video_title = video_title.strip()
2718             ids_in_page.append(video_id)
2719             titles_in_page.append(video_title)
2720
2721         # Fallback with old _VIDEO_RE
2722         self.extract_videos_from_page_impl(
2723             self._VIDEO_RE, page, ids_in_page, titles_in_page)
2724
2725         # Relaxed fallbacks
2726         self.extract_videos_from_page_impl(
2727             r'href="\s*/watch\?v\s*=\s*(?P<id>[0-9A-Za-z_-]{11})', page,
2728             ids_in_page, titles_in_page)
2729         self.extract_videos_from_page_impl(
2730             r'data-video-ids\s*=\s*["\'](?P<id>[0-9A-Za-z_-]{11})', page,
2731             ids_in_page, titles_in_page)
2732
2733         return zip(ids_in_page, titles_in_page)
2734
2735     def _extract_mix(self, playlist_id):
2736         # The mixes are generated from a single video
2737         # the id of the playlist is just 'RD' + video_id
2738         ids = []
2739         last_id = playlist_id[-11:]
2740         for n in itertools.count(1):
2741             url = 'https://youtube.com/watch?v=%s&list=%s' % (last_id, playlist_id)
2742             webpage = self._download_webpage(
2743                 url, playlist_id, 'Downloading page {0} of Youtube mix'.format(n))
2744             new_ids = orderedSet(re.findall(
2745                 r'''(?xs)data-video-username=".*?".*?
2746                            href="/watch\?v=([0-9A-Za-z_-]{11})&amp;[^"]*?list=%s''' % re.escape(playlist_id),
2747                 webpage))
2748             # Fetch new pages until all the videos are repeated, it seems that
2749             # there are always 51 unique videos.
2750             new_ids = [_id for _id in new_ids if _id not in ids]
2751             if not new_ids:
2752                 break
2753             ids.extend(new_ids)
2754             last_id = ids[-1]
2755
2756         url_results = self._ids_to_results(ids)
2757
2758         search_title = lambda class_name: get_element_by_attribute('class', class_name, webpage)
2759         title_span = (
2760             search_title('playlist-title')
2761             or search_title('title long-title')
2762             or search_title('title'))
2763         title = clean_html(title_span)
2764
2765         return self.playlist_result(url_results, playlist_id, title)
2766
2767     def _extract_playlist(self, playlist_id):
2768         url = self._TEMPLATE_URL % playlist_id
2769         page = self._download_webpage(url, playlist_id)
2770
2771         # the yt-alert-message now has tabindex attribute (see https://github.com/ytdl-org/youtube-dl/issues/11604)
2772         for match in re.findall(r'<div class="yt-alert-message"[^>]*>([^<]+)</div>', page):
2773             match = match.strip()
2774             # Check if the playlist exists or is private
2775             mobj = re.match(r'[^<]*(?:The|This) playlist (?P<reason>does not exist|is private)[^<]*', match)
2776             if mobj:
2777                 reason = mobj.group('reason')
2778                 message = 'This playlist %s' % reason
2779                 if 'private' in reason:
2780                     message += ', use --username or --netrc to access it'
2781                 message += '.'
2782                 raise ExtractorError(message, expected=True)
2783             elif re.match(r'[^<]*Invalid parameters[^<]*', match):
2784                 raise ExtractorError(
2785                     'Invalid parameters. Maybe URL is incorrect.',
2786                     expected=True)
2787             elif re.match(r'[^<]*Choose your language[^<]*', match):
2788                 continue
2789             else:
2790                 self.report_warning('Youtube gives an alert message: ' + match)
2791
2792         playlist_title = self._html_search_regex(
2793             r'(?s)<h1 class="pl-header-title[^"]*"[^>]*>\s*(.*?)\s*</h1>',
2794             page, 'title', default=None)
2795
2796         _UPLOADER_BASE = r'class=["\']pl-header-details[^>]+>\s*<li>\s*<a[^>]+\bhref='
2797         uploader = self._html_search_regex(
2798             r'%s["\']/(?:user|channel)/[^>]+>([^<]+)' % _UPLOADER_BASE,
2799             page, 'uploader', default=None)
2800         mobj = re.search(
2801             r'%s(["\'])(?P<path>/(?:user|channel)/(?P<uploader_id>.+?))\1' % _UPLOADER_BASE,
2802             page)
2803         if mobj:
2804             uploader_id = mobj.group('uploader_id')
2805             uploader_url = compat_urlparse.urljoin(url, mobj.group('path'))
2806         else:
2807             uploader_id = uploader_url = None
2808
2809         has_videos = True
2810
2811         if not playlist_title:
2812             try:
2813                 # Some playlist URLs don't actually serve a playlist (e.g.
2814                 # https://www.youtube.com/watch?v=FqZTN594JQw&list=PLMYEtVRpaqY00V9W81Cwmzp6N6vZqfUKD4)
2815                 next(self._entries(page, playlist_id))
2816             except StopIteration:
2817                 has_videos = False
2818
2819         playlist = self.playlist_result(
2820             self._entries(page, playlist_id), playlist_id, playlist_title)
2821         playlist.update({
2822             'uploader': uploader,
2823             'uploader_id': uploader_id,
2824             'uploader_url': uploader_url,
2825         })
2826
2827         return has_videos, playlist
2828
2829     def _check_download_just_video(self, url, playlist_id):
2830         # Check if it's a video-specific URL
2831         query_dict = compat_urlparse.parse_qs(compat_urlparse.urlparse(url).query)
2832         video_id = query_dict.get('v', [None])[0] or self._search_regex(
2833             r'(?:(?:^|//)youtu\.be/|youtube\.com/embed/(?!videoseries))([0-9A-Za-z_-]{11})', url,
2834             'video id', default=None)
2835         if video_id:
2836             if self._downloader.params.get('noplaylist'):
2837                 self.to_screen('Downloading just video %s because of --no-playlist' % video_id)
2838                 return video_id, self.url_result(video_id, 'Youtube', video_id=video_id)
2839             else:
2840                 self.to_screen('Downloading playlist %s - add --no-playlist to just download video %s' % (playlist_id, video_id))
2841                 return video_id, None
2842         return None, None
2843
2844     def _real_extract(self, url):
2845         # Extract playlist id
2846         mobj = re.match(self._VALID_URL, url)
2847         if mobj is None:
2848             raise ExtractorError('Invalid URL: %s' % url)
2849         playlist_id = mobj.group(1) or mobj.group(2)
2850
2851         video_id, video = self._check_download_just_video(url, playlist_id)
2852         if video:
2853             return video
2854
2855         if playlist_id.startswith(('RD', 'UL', 'PU')):
2856             # Mixes require a custom extraction process
2857             return self._extract_mix(playlist_id)
2858
2859         has_videos, playlist = self._extract_playlist(playlist_id)
2860         if has_videos or not video_id:
2861             return playlist
2862
2863         # Some playlist URLs don't actually serve a playlist (see
2864         # https://github.com/ytdl-org/youtube-dl/issues/10537).
2865         # Fallback to plain video extraction if there is a video id
2866         # along with playlist id.
2867         return self.url_result(video_id, 'Youtube', video_id=video_id)
2868
2869
2870 class YoutubeChannelIE(YoutubePlaylistBaseInfoExtractor):
2871     IE_DESC = 'YouTube.com channels'
2872     _VALID_URL = r'https?://(?:youtu\.be|(?:\w+\.)?youtube(?:-nocookie|kids)?\.com|(?:www\.)?invidio\.us)/channel/(?P<id>[0-9A-Za-z_-]+)'
2873     _TEMPLATE_URL = 'https://www.youtube.com/channel/%s/videos'
2874     _VIDEO_RE = r'(?:title="(?P<title>[^"]+)"[^>]+)?href="/watch\?v=(?P<id>[0-9A-Za-z_-]+)&?'
2875     IE_NAME = 'youtube:channel'
2876     _TESTS = [{
2877         'note': 'paginated channel',
2878         'url': 'https://www.youtube.com/channel/UCKfVa3S1e4PHvxWcwyMMg8w',
2879         'playlist_mincount': 91,
2880         'info_dict': {
2881             'id': 'UUKfVa3S1e4PHvxWcwyMMg8w',
2882             'title': 'Uploads from lex will',
2883             'uploader': 'lex will',
2884             'uploader_id': 'UCKfVa3S1e4PHvxWcwyMMg8w',
2885         }
2886     }, {
2887         'note': 'Age restricted channel',
2888         # from https://www.youtube.com/user/DeusExOfficial
2889         'url': 'https://www.youtube.com/channel/UCs0ifCMCm1icqRbqhUINa0w',
2890         'playlist_mincount': 64,
2891         'info_dict': {
2892             'id': 'UUs0ifCMCm1icqRbqhUINa0w',
2893             'title': 'Uploads from Deus Ex',
2894             'uploader': 'Deus Ex',
2895             'uploader_id': 'DeusExOfficial',
2896         },
2897     }, {
2898         'url': 'https://invidio.us/channel/UC23qupoDRn9YOAVzeoxjOQA',
2899         'only_matching': True,
2900     }, {
2901         'url': 'https://www.youtubekids.com/channel/UCyu8StPfZWapR6rfW_JgqcA',
2902         'only_matching': True,
2903     }]
2904
2905     @classmethod
2906     def suitable(cls, url):
2907         return (False if YoutubePlaylistsIE.suitable(url) or YoutubeLiveIE.suitable(url)
2908                 else super(YoutubeChannelIE, cls).suitable(url))
2909
2910     def _build_template_url(self, url, channel_id):
2911         return self._TEMPLATE_URL % channel_id
2912
2913     def _real_extract(self, url):
2914         channel_id = self._match_id(url)
2915
2916         url = self._build_template_url(url, channel_id)
2917
2918         # Channel by page listing is restricted to 35 pages of 30 items, i.e. 1050 videos total (see #5778)
2919         # Workaround by extracting as a playlist if managed to obtain channel playlist URL
2920         # otherwise fallback on channel by page extraction
2921         channel_page = self._download_webpage(
2922             url + '?view=57', channel_id,
2923             'Downloading channel page', fatal=False)
2924         if channel_page is False:
2925             channel_playlist_id = False
2926         else:
2927             channel_playlist_id = self._html_search_meta(
2928                 'channelId', channel_page, 'channel id', default=None)
2929             if not channel_playlist_id:
2930                 channel_url = self._html_search_meta(
2931                     ('al:ios:url', 'twitter:app:url:iphone', 'twitter:app:url:ipad'),
2932                     channel_page, 'channel url', default=None)
2933                 if channel_url:
2934                     channel_playlist_id = self._search_regex(
2935                         r'vnd\.youtube://user/([0-9A-Za-z_-]+)',
2936                         channel_url, 'channel id', default=None)
2937         if channel_playlist_id and channel_playlist_id.startswith('UC'):
2938             playlist_id = 'UU' + channel_playlist_id[2:]
2939             return self.url_result(
2940                 compat_urlparse.urljoin(url, '/playlist?list=%s' % playlist_id), 'YoutubePlaylist')
2941
2942         channel_page = self._download_webpage(url, channel_id, 'Downloading page #1')
2943         autogenerated = re.search(r'''(?x)
2944                 class="[^"]*?(?:
2945                     channel-header-autogenerated-label|
2946                     yt-channel-title-autogenerated
2947                 )[^"]*"''', channel_page) is not None
2948
2949         if autogenerated:
2950             # The videos are contained in a single page
2951             # the ajax pages can't be used, they are empty
2952             entries = [
2953                 self.url_result(
2954                     video_id, 'Youtube', video_id=video_id,
2955                     video_title=video_title)
2956                 for video_id, video_title in self.extract_videos_from_page(channel_page)]
2957             return self.playlist_result(entries, channel_id)
2958
2959         try:
2960             next(self._entries(channel_page, channel_id))
2961         except StopIteration:
2962             alert_message = self._html_search_regex(
2963                 r'(?s)<div[^>]+class=(["\']).*?\byt-alert-message\b.*?\1[^>]*>(?P<alert>[^<]+)</div>',
2964                 channel_page, 'alert', default=None, group='alert')
2965             if alert_message:
2966                 raise ExtractorError('Youtube said: %s' % alert_message, expected=True)
2967
2968         return self.playlist_result(self._entries(channel_page, channel_id), channel_id)
2969
2970
2971 class YoutubeUserIE(YoutubeChannelIE):
2972     IE_DESC = 'YouTube.com user videos (URL or "ytuser" keyword)'
2973     _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_-]+)'
2974     _TEMPLATE_URL = 'https://www.youtube.com/%s/%s/videos'
2975     IE_NAME = 'youtube:user'
2976
2977     _TESTS = [{
2978         'url': 'https://www.youtube.com/user/TheLinuxFoundation',
2979         'playlist_mincount': 320,
2980         'info_dict': {
2981             'id': 'UUfX55Sx5hEFjoC3cNs6mCUQ',
2982             'title': 'Uploads from The Linux Foundation',
2983             'uploader': 'The Linux Foundation',
2984             'uploader_id': 'TheLinuxFoundation',
2985         }
2986     }, {
2987         # Only available via https://www.youtube.com/c/12minuteathlete/videos
2988         # but not https://www.youtube.com/user/12minuteathlete/videos
2989         'url': 'https://www.youtube.com/c/12minuteathlete/videos',
2990         'playlist_mincount': 249,
2991         'info_dict': {
2992             'id': 'UUVjM-zV6_opMDx7WYxnjZiQ',
2993             'title': 'Uploads from 12 Minute Athlete',
2994             'uploader': '12 Minute Athlete',
2995             'uploader_id': 'the12minuteathlete',
2996         }
2997     }, {
2998         'url': 'ytuser:phihag',
2999         'only_matching': True,
3000     }, {
3001         'url': 'https://www.youtube.com/c/gametrailers',
3002         'only_matching': True,
3003     }, {
3004         'url': 'https://www.youtube.com/gametrailers',
3005         'only_matching': True,
3006     }, {
3007         # This channel is not available, geo restricted to JP
3008         'url': 'https://www.youtube.com/user/kananishinoSMEJ/videos',
3009         'only_matching': True,
3010     }]
3011
3012     @classmethod
3013     def suitable(cls, url):
3014         # Don't return True if the url can be extracted with other youtube
3015         # extractor, the regex would is too permissive and it would match.
3016         other_yt_ies = iter(klass for (name, klass) in globals().items() if name.startswith('Youtube') and name.endswith('IE') and klass is not cls)
3017         if any(ie.suitable(url) for ie in other_yt_ies):
3018             return False
3019         else:
3020             return super(YoutubeUserIE, cls).suitable(url)
3021
3022     def _build_template_url(self, url, channel_id):
3023         mobj = re.match(self._VALID_URL, url)
3024         return self._TEMPLATE_URL % (mobj.group('user') or 'user', mobj.group('id'))
3025
3026
3027 class YoutubeLiveIE(YoutubeBaseInfoExtractor):
3028     IE_DESC = 'YouTube.com live streams'
3029     _VALID_URL = r'(?P<base_url>https?://(?:\w+\.)?youtube\.com/(?:(?:user|channel|c)/)?(?P<id>[^/]+))/live'
3030     IE_NAME = 'youtube:live'
3031
3032     _TESTS = [{
3033         'url': 'https://www.youtube.com/user/TheYoungTurks/live',
3034         'info_dict': {
3035             'id': 'a48o2S1cPoo',
3036             'ext': 'mp4',
3037             'title': 'The Young Turks - Live Main Show',
3038             'uploader': 'The Young Turks',
3039             'uploader_id': 'TheYoungTurks',
3040             'uploader_url': r're:https?://(?:www\.)?youtube\.com/user/TheYoungTurks',
3041             'upload_date': '20150715',
3042             'license': 'Standard YouTube License',
3043             'description': 'md5:438179573adcdff3c97ebb1ee632b891',
3044             'categories': ['News & Politics'],
3045             'tags': ['Cenk Uygur (TV Program Creator)', 'The Young Turks (Award-Winning Work)', 'Talk Show (TV Genre)'],
3046             'like_count': int,
3047             'dislike_count': int,
3048         },
3049         'params': {
3050             'skip_download': True,
3051         },
3052     }, {
3053         'url': 'https://www.youtube.com/channel/UC1yBKRuGpC1tSM73A0ZjYjQ/live',
3054         'only_matching': True,
3055     }, {
3056         'url': 'https://www.youtube.com/c/CommanderVideoHq/live',
3057         'only_matching': True,
3058     }, {
3059         'url': 'https://www.youtube.com/TheYoungTurks/live',
3060         'only_matching': True,
3061     }]
3062
3063     def _real_extract(self, url):
3064         mobj = re.match(self._VALID_URL, url)
3065         channel_id = mobj.group('id')
3066         base_url = mobj.group('base_url')
3067         webpage = self._download_webpage(url, channel_id, fatal=False)
3068         if webpage:
3069             page_type = self._og_search_property(
3070                 'type', webpage, 'page type', default='')
3071             video_id = self._html_search_meta(
3072                 'videoId', webpage, 'video id', default=None)
3073             if page_type.startswith('video') and video_id and re.match(
3074                     r'^[0-9A-Za-z_-]{11}$', video_id):
3075                 return self.url_result(video_id, YoutubeIE.ie_key())
3076         return self.url_result(base_url)
3077
3078
3079 class YoutubePlaylistsIE(YoutubePlaylistsBaseInfoExtractor):
3080     IE_DESC = 'YouTube.com user/channel playlists'
3081     _VALID_URL = r'https?://(?:\w+\.)?youtube\.com/(?:user|channel)/(?P<id>[^/]+)/playlists'
3082     IE_NAME = 'youtube:playlists'
3083
3084     _TESTS = [{
3085         'url': 'https://www.youtube.com/user/ThirstForScience/playlists',
3086         'playlist_mincount': 4,
3087         'info_dict': {
3088             'id': 'ThirstForScience',
3089             'title': 'ThirstForScience',
3090         },
3091     }, {
3092         # with "Load more" button
3093         'url': 'https://www.youtube.com/user/igorkle1/playlists?view=1&sort=dd',
3094         'playlist_mincount': 70,
3095         'info_dict': {
3096             'id': 'igorkle1',
3097             'title': 'Игорь Клейнер',
3098         },
3099     }, {
3100         'url': 'https://www.youtube.com/channel/UCiU1dHvZObB2iP6xkJ__Icw/playlists',
3101         'playlist_mincount': 17,
3102         'info_dict': {
3103             'id': 'UCiU1dHvZObB2iP6xkJ__Icw',
3104             'title': 'Chem Player',
3105         },
3106         'skip': 'Blocked',
3107     }]
3108
3109
3110 class YoutubeSearchBaseInfoExtractor(YoutubePlaylistBaseInfoExtractor):
3111     _VIDEO_RE = r'href="\s*/watch\?v=(?P<id>[0-9A-Za-z_-]{11})(?:[^"]*"[^>]+\btitle="(?P<title>[^"]+))?'
3112
3113
3114 class YoutubeSearchIE(SearchInfoExtractor, YoutubeSearchBaseInfoExtractor):
3115     IE_DESC = 'YouTube.com searches'
3116     # there doesn't appear to be a real limit, for example if you search for
3117     # 'python' you get more than 8.000.000 results
3118     _MAX_RESULTS = float('inf')
3119     IE_NAME = 'youtube:search'
3120     _SEARCH_KEY = 'ytsearch'
3121     _EXTRA_QUERY_ARGS = {}
3122     _TESTS = []
3123
3124     def _get_n_results(self, query, n):
3125         """Get a specified number of results for a query"""
3126
3127         videos = []
3128         limit = n
3129
3130         url_query = {
3131             'search_query': query.encode('utf-8'),
3132         }
3133         url_query.update(self._EXTRA_QUERY_ARGS)
3134         result_url = 'https://www.youtube.com/results?' + compat_urllib_parse_urlencode(url_query)
3135
3136         for pagenum in itertools.count(1):
3137             data = self._download_json(
3138                 result_url, video_id='query "%s"' % query,
3139                 note='Downloading page %s' % pagenum,
3140                 errnote='Unable to download API page',
3141                 query={'spf': 'navigate'})
3142             html_content = data[1]['body']['content']
3143
3144             if 'class="search-message' in html_content:
3145                 raise ExtractorError(
3146                     '[youtube] No video results', expected=True)
3147
3148             new_videos = list(self._process_page(html_content))
3149             videos += new_videos
3150             if not new_videos or len(videos) > limit:
3151                 break
3152             next_link = self._html_search_regex(
3153                 r'href="(/results\?[^"]*\bsp=[^"]+)"[^>]*>\s*<span[^>]+class="[^"]*\byt-uix-button-content\b[^"]*"[^>]*>Next',
3154                 html_content, 'next link', default=None)
3155             if next_link is None:
3156                 break
3157             result_url = compat_urlparse.urljoin('https://www.youtube.com/', next_link)
3158
3159         if len(videos) > n:
3160             videos = videos[:n]
3161         return self.playlist_result(videos, query)
3162
3163
3164 class YoutubeSearchDateIE(YoutubeSearchIE):
3165     IE_NAME = YoutubeSearchIE.IE_NAME + ':date'
3166     _SEARCH_KEY = 'ytsearchdate'
3167     IE_DESC = 'YouTube.com searches, newest videos first'
3168     _EXTRA_QUERY_ARGS = {'search_sort': 'video_date_uploaded'}
3169
3170
3171 class YoutubeSearchURLIE(YoutubeSearchBaseInfoExtractor):
3172     IE_DESC = 'YouTube.com search URLs'
3173     IE_NAME = 'youtube:search_url'
3174     _VALID_URL = r'https?://(?:www\.)?youtube\.com/results\?(.*?&)?(?:search_query|q)=(?P<query>[^&]+)(?:[&]|$)'
3175     _TESTS = [{
3176         'url': 'https://www.youtube.com/results?baz=bar&search_query=youtube-dl+test+video&filters=video&lclk=video',
3177         'playlist_mincount': 5,
3178         'info_dict': {
3179             'title': 'youtube-dl test video',
3180         }
3181     }, {
3182         'url': 'https://www.youtube.com/results?q=test&sp=EgQIBBgB',
3183         'only_matching': True,
3184     }]
3185
3186     def _real_extract(self, url):
3187         mobj = re.match(self._VALID_URL, url)
3188         query = compat_urllib_parse_unquote_plus(mobj.group('query'))
3189         webpage = self._download_webpage(url, query)
3190         return self.playlist_result(self._process_page(webpage), playlist_title=query)
3191
3192
3193 class YoutubeShowIE(YoutubePlaylistsBaseInfoExtractor):
3194     IE_DESC = 'YouTube.com (multi-season) shows'
3195     _VALID_URL = r'https?://(?:www\.)?youtube\.com/show/(?P<id>[^?#]*)'
3196     IE_NAME = 'youtube:show'
3197     _TESTS = [{
3198         'url': 'https://www.youtube.com/show/airdisasters',
3199         'playlist_mincount': 5,
3200         'info_dict': {
3201             'id': 'airdisasters',
3202             'title': 'Air Disasters',
3203         }
3204     }]
3205
3206     def _real_extract(self, url):
3207         playlist_id = self._match_id(url)
3208         return super(YoutubeShowIE, self)._real_extract(
3209             'https://www.youtube.com/show/%s/playlists' % playlist_id)
3210
3211
3212 class YoutubeFeedsInfoExtractor(YoutubeBaseInfoExtractor):
3213     """
3214     Base class for feed extractors
3215     Subclasses must define the _FEED_NAME and _PLAYLIST_TITLE properties.
3216     """
3217     _LOGIN_REQUIRED = True
3218
3219     @property
3220     def IE_NAME(self):
3221         return 'youtube:%s' % self._FEED_NAME
3222
3223     def _real_initialize(self):
3224         self._login()
3225
3226     def _entries(self, page):
3227         # The extraction process is the same as for playlists, but the regex
3228         # for the video ids doesn't contain an index
3229         ids = []
3230         more_widget_html = content_html = page
3231         for page_num in itertools.count(1):
3232             matches = re.findall(r'href="\s*/watch\?v=([0-9A-Za-z_-]{11})', content_html)
3233
3234             # 'recommended' feed has infinite 'load more' and each new portion spins
3235             # the same videos in (sometimes) slightly different order, so we'll check
3236             # for unicity and break when portion has no new videos
3237             new_ids = list(filter(lambda video_id: video_id not in ids, orderedSet(matches)))
3238             if not new_ids:
3239                 break
3240
3241             ids.extend(new_ids)
3242
3243             for entry in self._ids_to_results(new_ids):
3244                 yield entry
3245
3246             mobj = re.search(r'data-uix-load-more-href="/?(?P<more>[^"]+)"', more_widget_html)
3247             if not mobj:
3248                 break
3249
3250             more = self._download_json(
3251                 'https://youtube.com/%s' % mobj.group('more'), self._PLAYLIST_TITLE,
3252                 'Downloading page #%s' % page_num,
3253                 transform_source=uppercase_escape)
3254             content_html = more['content_html']
3255             more_widget_html = more['load_more_widget_html']
3256
3257     def _real_extract(self, url):
3258         page = self._download_webpage(
3259             'https://www.youtube.com/feed/%s' % self._FEED_NAME,
3260             self._PLAYLIST_TITLE)
3261         return self.playlist_result(
3262             self._entries(page), playlist_title=self._PLAYLIST_TITLE)
3263
3264
3265 class YoutubeWatchLaterIE(YoutubePlaylistIE):
3266     IE_NAME = 'youtube:watchlater'
3267     IE_DESC = 'Youtube watch later list, ":ytwatchlater" for short (requires authentication)'
3268     _VALID_URL = r'https?://(?:www\.)?youtube\.com/(?:feed/watch_later|(?:playlist|watch)\?(?:.+&)?list=WL)|:ytwatchlater'
3269
3270     _TESTS = [{
3271         'url': 'https://www.youtube.com/playlist?list=WL',
3272         'only_matching': True,
3273     }, {
3274         'url': 'https://www.youtube.com/watch?v=bCNU9TrbiRk&index=1&list=WL',
3275         'only_matching': True,
3276     }]
3277
3278     def _real_extract(self, url):
3279         _, video = self._check_download_just_video(url, 'WL')
3280         if video:
3281             return video
3282         _, playlist = self._extract_playlist('WL')
3283         return playlist
3284
3285
3286 class YoutubeFavouritesIE(YoutubeBaseInfoExtractor):
3287     IE_NAME = 'youtube:favorites'
3288     IE_DESC = 'YouTube.com favourite videos, ":ytfav" for short (requires authentication)'
3289     _VALID_URL = r'https?://(?:www\.)?youtube\.com/my_favorites|:ytfav(?:ou?rites)?'
3290     _LOGIN_REQUIRED = True
3291
3292     def _real_extract(self, url):
3293         webpage = self._download_webpage('https://www.youtube.com/my_favorites', 'Youtube Favourites videos')
3294         playlist_id = self._search_regex(r'list=(.+?)["&]', webpage, 'favourites playlist id')
3295         return self.url_result(playlist_id, 'YoutubePlaylist')
3296
3297
3298 class YoutubeRecommendedIE(YoutubeFeedsInfoExtractor):
3299     IE_DESC = 'YouTube.com recommended videos, ":ytrec" for short (requires authentication)'
3300     _VALID_URL = r'https?://(?:www\.)?youtube\.com/feed/recommended|:ytrec(?:ommended)?'
3301     _FEED_NAME = 'recommended'
3302     _PLAYLIST_TITLE = 'Youtube Recommended videos'
3303
3304
3305 class YoutubeSubscriptionsIE(YoutubeFeedsInfoExtractor):
3306     IE_DESC = 'YouTube.com subscriptions feed, "ytsubs" keyword (requires authentication)'
3307     _VALID_URL = r'https?://(?:www\.)?youtube\.com/feed/subscriptions|:ytsubs(?:criptions)?'
3308     _FEED_NAME = 'subscriptions'
3309     _PLAYLIST_TITLE = 'Youtube Subscriptions'
3310
3311
3312 class YoutubeHistoryIE(YoutubeFeedsInfoExtractor):
3313     IE_DESC = 'Youtube watch history, ":ythistory" for short (requires authentication)'
3314     _VALID_URL = r'https?://(?:www\.)?youtube\.com/feed/history|:ythistory'
3315     _FEED_NAME = 'history'
3316     _PLAYLIST_TITLE = 'Youtube History'
3317
3318
3319 class YoutubeTruncatedURLIE(InfoExtractor):
3320     IE_NAME = 'youtube:truncated_url'
3321     IE_DESC = False  # Do not list
3322     _VALID_URL = r'''(?x)
3323         (?:https?://)?
3324         (?:\w+\.)?[yY][oO][uU][tT][uU][bB][eE](?:-nocookie)?\.com/
3325         (?:watch\?(?:
3326             feature=[a-z_]+|
3327             annotation_id=annotation_[^&]+|
3328             x-yt-cl=[0-9]+|
3329             hl=[^&]*|
3330             t=[0-9]+
3331         )?
3332         |
3333             attribution_link\?a=[^&]+
3334         )
3335         $
3336     '''
3337
3338     _TESTS = [{
3339         'url': 'https://www.youtube.com/watch?annotation_id=annotation_3951667041',
3340         'only_matching': True,
3341     }, {
3342         'url': 'https://www.youtube.com/watch?',
3343         'only_matching': True,
3344     }, {
3345         'url': 'https://www.youtube.com/watch?x-yt-cl=84503534',
3346         'only_matching': True,
3347     }, {
3348         'url': 'https://www.youtube.com/watch?feature=foo',
3349         'only_matching': True,
3350     }, {
3351         'url': 'https://www.youtube.com/watch?hl=en-GB',
3352         'only_matching': True,
3353     }, {
3354         'url': 'https://www.youtube.com/watch?t=2372',
3355         'only_matching': True,
3356     }]
3357
3358     def _real_extract(self, url):
3359         raise ExtractorError(
3360             'Did you forget to quote the URL? Remember that & is a meta '
3361             'character in most shells, so you want to put the URL in quotes, '
3362             'like  youtube-dl '
3363             '"https://www.youtube.com/watch?feature=foo&v=BaW_jenozKc" '
3364             ' or simply  youtube-dl BaW_jenozKc  .',
3365             expected=True)
3366
3367
3368 class YoutubeTruncatedIDIE(InfoExtractor):
3369     IE_NAME = 'youtube:truncated_id'
3370     IE_DESC = False  # Do not list
3371     _VALID_URL = r'https?://(?:www\.)?youtube\.com/watch\?v=(?P<id>[0-9A-Za-z_-]{1,10})$'
3372
3373     _TESTS = [{
3374         'url': 'https://www.youtube.com/watch?v=N_708QY7Ob',
3375         'only_matching': True,
3376     }]
3377
3378     def _real_extract(self, url):
3379         video_id = self._match_id(url)
3380         raise ExtractorError(
3381             'Incomplete YouTube ID %s. URL %s looks truncated.' % (video_id, url),
3382             expected=True)