[youtube] Add support for owxfohz4kjyv25fvlqilyxast7inivgiktls3th44jhk3ej3i7ya.b32...
[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     dict_get,
33     error_to_compat_str,
34     extract_attributes,
35     ExtractorError,
36     float_or_none,
37     get_element_by_attribute,
38     get_element_by_id,
39     int_or_none,
40     mimetype2ext,
41     orderedSet,
42     parse_codecs,
43     parse_duration,
44     remove_quotes,
45     remove_start,
46     smuggle_url,
47     str_or_none,
48     str_to_int,
49     try_get,
50     unescapeHTML,
51     unified_strdate,
52     unsmuggle_url,
53     uppercase_escape,
54     url_or_none,
55     urlencode_postdata,
56 )
57
58
59 class YoutubeBaseInfoExtractor(InfoExtractor):
60     """Provide base functions for Youtube extractors"""
61     _LOGIN_URL = 'https://accounts.google.com/ServiceLogin'
62     _TWOFACTOR_URL = 'https://accounts.google.com/signin/challenge'
63
64     _LOOKUP_URL = 'https://accounts.google.com/_/signin/sl/lookup'
65     _CHALLENGE_URL = 'https://accounts.google.com/_/signin/sl/challenge'
66     _TFA_URL = 'https://accounts.google.com/_/signin/challenge?hl=en&TL={0}'
67
68     _NETRC_MACHINE = 'youtube'
69     # If True it will raise an error if no login info is provided
70     _LOGIN_REQUIRED = False
71
72     _PLAYLIST_ID_RE = r'(?:PL|LL|EC|UU|FL|RD|UL|TL|OLAK5uy_)[0-9A-Za-z-_]{10,}'
73
74     def _set_language(self):
75         self._set_cookie(
76             '.youtube.com', 'PREF', 'f1=50000000&hl=en',
77             # YouTube sets the expire time to about two months
78             expire_time=time.time() + 2 * 30 * 24 * 3600)
79
80     def _ids_to_results(self, ids):
81         return [
82             self.url_result(vid_id, 'Youtube', video_id=vid_id)
83             for vid_id in ids]
84
85     def _login(self):
86         """
87         Attempt to log in to YouTube.
88         True is returned if successful or skipped.
89         False is returned if login failed.
90
91         If _LOGIN_REQUIRED is set and no authentication was provided, an error is raised.
92         """
93         username, password = self._get_login_info()
94         # No authentication to be performed
95         if username is None:
96             if self._LOGIN_REQUIRED and self._downloader.params.get('cookiefile') is None:
97                 raise ExtractorError('No login info available, needed for using %s.' % self.IE_NAME, expected=True)
98             return True
99
100         login_page = self._download_webpage(
101             self._LOGIN_URL, None,
102             note='Downloading login page',
103             errnote='unable to fetch login page', fatal=False)
104         if login_page is False:
105             return
106
107         login_form = self._hidden_inputs(login_page)
108
109         def req(url, f_req, note, errnote):
110             data = login_form.copy()
111             data.update({
112                 'pstMsg': 1,
113                 'checkConnection': 'youtube',
114                 'checkedDomains': 'youtube',
115                 'hl': 'en',
116                 'deviceinfo': '[null,null,null,[],null,"US",null,null,[],"GlifWebSignIn",null,[null,null,[]]]',
117                 'f.req': json.dumps(f_req),
118                 'flowName': 'GlifWebSignIn',
119                 'flowEntry': 'ServiceLogin',
120                 # TODO: reverse actual botguard identifier generation algo
121                 'bgRequest': '["identifier",""]',
122             })
123             return self._download_json(
124                 url, None, note=note, errnote=errnote,
125                 transform_source=lambda s: re.sub(r'^[^[]*', '', s),
126                 fatal=False,
127                 data=urlencode_postdata(data), headers={
128                     'Content-Type': 'application/x-www-form-urlencoded;charset=utf-8',
129                     'Google-Accounts-XSRF': 1,
130                 })
131
132         def warn(message):
133             self._downloader.report_warning(message)
134
135         lookup_req = [
136             username,
137             None, [], None, 'US', None, None, 2, False, True,
138             [
139                 None, None,
140                 [2, 1, None, 1,
141                  'https://accounts.google.com/ServiceLogin?passive=true&continue=https%3A%2F%2Fwww.youtube.com%2Fsignin%3Fnext%3D%252F%26action_handle_signin%3Dtrue%26hl%3Den%26app%3Ddesktop%26feature%3Dsign_in_button&hl=en&service=youtube&uilel=3&requestPath=%2FServiceLogin&Page=PasswordSeparationSignIn',
142                  None, [], 4],
143                 1, [None, None, []], None, None, None, True
144             ],
145             username,
146         ]
147
148         lookup_results = req(
149             self._LOOKUP_URL, lookup_req,
150             'Looking up account info', 'Unable to look up account info')
151
152         if lookup_results is False:
153             return False
154
155         user_hash = try_get(lookup_results, lambda x: x[0][2], compat_str)
156         if not user_hash:
157             warn('Unable to extract user hash')
158             return False
159
160         challenge_req = [
161             user_hash,
162             None, 1, None, [1, None, None, None, [password, None, True]],
163             [
164                 None, None, [2, 1, None, 1, 'https://accounts.google.com/ServiceLogin?passive=true&continue=https%3A%2F%2Fwww.youtube.com%2Fsignin%3Fnext%3D%252F%26action_handle_signin%3Dtrue%26hl%3Den%26app%3Ddesktop%26feature%3Dsign_in_button&hl=en&service=youtube&uilel=3&requestPath=%2FServiceLogin&Page=PasswordSeparationSignIn', None, [], 4],
165                 1, [None, None, []], None, None, None, True
166             ]]
167
168         challenge_results = req(
169             self._CHALLENGE_URL, challenge_req,
170             'Logging in', 'Unable to log in')
171
172         if challenge_results is False:
173             return
174
175         login_res = try_get(challenge_results, lambda x: x[0][5], list)
176         if login_res:
177             login_msg = try_get(login_res, lambda x: x[5], compat_str)
178             warn(
179                 'Unable to login: %s' % 'Invalid password'
180                 if login_msg == 'INCORRECT_ANSWER_ENTERED' else login_msg)
181             return False
182
183         res = try_get(challenge_results, lambda x: x[0][-1], list)
184         if not res:
185             warn('Unable to extract result entry')
186             return False
187
188         login_challenge = try_get(res, lambda x: x[0][0], list)
189         if login_challenge:
190             challenge_str = try_get(login_challenge, lambda x: x[2], compat_str)
191             if challenge_str == 'TWO_STEP_VERIFICATION':
192                 # SEND_SUCCESS - TFA code has been successfully sent to phone
193                 # QUOTA_EXCEEDED - reached the limit of TFA codes
194                 status = try_get(login_challenge, lambda x: x[5], compat_str)
195                 if status == 'QUOTA_EXCEEDED':
196                     warn('Exceeded the limit of TFA codes, try later')
197                     return False
198
199                 tl = try_get(challenge_results, lambda x: x[1][2], compat_str)
200                 if not tl:
201                     warn('Unable to extract TL')
202                     return False
203
204                 tfa_code = self._get_tfa_info('2-step verification code')
205
206                 if not tfa_code:
207                     warn(
208                         'Two-factor authentication required. Provide it either interactively or with --twofactor <code>'
209                         '(Note that only TOTP (Google Authenticator App) codes work at this time.)')
210                     return False
211
212                 tfa_code = remove_start(tfa_code, 'G-')
213
214                 tfa_req = [
215                     user_hash, None, 2, None,
216                     [
217                         9, None, None, None, None, None, None, None,
218                         [None, tfa_code, True, 2]
219                     ]]
220
221                 tfa_results = req(
222                     self._TFA_URL.format(tl), tfa_req,
223                     'Submitting TFA code', 'Unable to submit TFA code')
224
225                 if tfa_results is False:
226                     return False
227
228                 tfa_res = try_get(tfa_results, lambda x: x[0][5], list)
229                 if tfa_res:
230                     tfa_msg = try_get(tfa_res, lambda x: x[5], compat_str)
231                     warn(
232                         'Unable to finish TFA: %s' % 'Invalid TFA code'
233                         if tfa_msg == 'INCORRECT_ANSWER_ENTERED' else tfa_msg)
234                     return False
235
236                 check_cookie_url = try_get(
237                     tfa_results, lambda x: x[0][-1][2], compat_str)
238             else:
239                 CHALLENGES = {
240                     'LOGIN_CHALLENGE': "This device isn't recognized. For your security, Google wants to make sure it's really you.",
241                     'USERNAME_RECOVERY': 'Please provide additional information to aid in the recovery process.',
242                     'REAUTH': "There is something unusual about your activity. For your security, Google wants to make sure it's really you.",
243                 }
244                 challenge = CHALLENGES.get(
245                     challenge_str,
246                     '%s returned error %s.' % (self.IE_NAME, challenge_str))
247                 warn('%s\nGo to https://accounts.google.com/, login and solve a challenge.' % challenge)
248                 return False
249         else:
250             check_cookie_url = try_get(res, lambda x: x[2], compat_str)
251
252         if not check_cookie_url:
253             warn('Unable to extract CheckCookie URL')
254             return False
255
256         check_cookie_results = self._download_webpage(
257             check_cookie_url, None, 'Checking cookie', fatal=False)
258
259         if check_cookie_results is False:
260             return False
261
262         if 'https://myaccount.google.com/' not in check_cookie_results:
263             warn('Unable to log in')
264             return False
265
266         return True
267
268     def _download_webpage_handle(self, *args, **kwargs):
269         query = kwargs.get('query', {}).copy()
270         query['disable_polymer'] = 'true'
271         kwargs['query'] = query
272         return super(YoutubeBaseInfoExtractor, self)._download_webpage_handle(
273             *args, **compat_kwargs(kwargs))
274
275     def _real_initialize(self):
276         if self._downloader is None:
277             return
278         self._set_language()
279         if not self._login():
280             return
281
282
283 class YoutubeEntryListBaseInfoExtractor(YoutubeBaseInfoExtractor):
284     # Extract entries from page with "Load more" button
285     def _entries(self, page, playlist_id):
286         more_widget_html = content_html = page
287         for page_num in itertools.count(1):
288             for entry in self._process_page(content_html):
289                 yield entry
290
291             mobj = re.search(r'data-uix-load-more-href="/?(?P<more>[^"]+)"', more_widget_html)
292             if not mobj:
293                 break
294
295             count = 0
296             retries = 3
297             while count <= retries:
298                 try:
299                     # Downloading page may result in intermittent 5xx HTTP error
300                     # that is usually worked around with a retry
301                     more = self._download_json(
302                         'https://youtube.com/%s' % mobj.group('more'), playlist_id,
303                         'Downloading page #%s%s'
304                         % (page_num, ' (retry #%d)' % count if count else ''),
305                         transform_source=uppercase_escape)
306                     break
307                 except ExtractorError as e:
308                     if isinstance(e.cause, compat_HTTPError) and e.cause.code in (500, 503):
309                         count += 1
310                         if count <= retries:
311                             continue
312                     raise
313
314             content_html = more['content_html']
315             if not content_html.strip():
316                 # Some webpages show a "Load more" button but they don't
317                 # have more videos
318                 break
319             more_widget_html = more['load_more_widget_html']
320
321
322 class YoutubePlaylistBaseInfoExtractor(YoutubeEntryListBaseInfoExtractor):
323     def _process_page(self, content):
324         for video_id, video_title in self.extract_videos_from_page(content):
325             yield self.url_result(video_id, 'Youtube', video_id, video_title)
326
327     def extract_videos_from_page_impl(self, video_re, page, ids_in_page, titles_in_page):
328         for mobj in re.finditer(video_re, page):
329             # The link with index 0 is not the first video of the playlist (not sure if still actual)
330             if 'index' in mobj.groupdict() and mobj.group('id') == '0':
331                 continue
332             video_id = mobj.group('id')
333             video_title = unescapeHTML(
334                 mobj.group('title')) if 'title' in mobj.groupdict() else None
335             if video_title:
336                 video_title = video_title.strip()
337             if video_title == '► Play all':
338                 video_title = None
339             try:
340                 idx = ids_in_page.index(video_id)
341                 if video_title and not titles_in_page[idx]:
342                     titles_in_page[idx] = video_title
343             except ValueError:
344                 ids_in_page.append(video_id)
345                 titles_in_page.append(video_title)
346
347     def extract_videos_from_page(self, page):
348         ids_in_page = []
349         titles_in_page = []
350         self.extract_videos_from_page_impl(
351             self._VIDEO_RE, page, ids_in_page, titles_in_page)
352         return zip(ids_in_page, titles_in_page)
353
354
355 class YoutubePlaylistsBaseInfoExtractor(YoutubeEntryListBaseInfoExtractor):
356     def _process_page(self, content):
357         for playlist_id in orderedSet(re.findall(
358                 r'<h3[^>]+class="[^"]*yt-lockup-title[^"]*"[^>]*><a[^>]+href="/?playlist\?list=([0-9A-Za-z-_]{10,})"',
359                 content)):
360             yield self.url_result(
361                 'https://www.youtube.com/playlist?list=%s' % playlist_id, 'YoutubePlaylist')
362
363     def _real_extract(self, url):
364         playlist_id = self._match_id(url)
365         webpage = self._download_webpage(url, playlist_id)
366         title = self._og_search_title(webpage, fatal=False)
367         return self.playlist_result(self._entries(webpage, playlist_id), playlist_id, title)
368
369
370 class YoutubeIE(YoutubeBaseInfoExtractor):
371     IE_DESC = 'YouTube.com'
372     _VALID_URL = r"""(?x)^
373                      (
374                          (?:https?://|//)                                    # http(s):// or protocol-independent URL
375                          (?:(?:(?:(?:\w+\.)?[yY][oO][uU][tT][uU][bB][eE](?:-nocookie)?\.com/|
376                             (?:www\.)?deturl\.com/www\.youtube\.com/|
377                             (?:www\.)?pwnyoutube\.com/|
378                             (?:www\.)?hooktube\.com/|
379                             (?:www\.)?yourepeat\.com/|
380                             tube\.majestyc\.net/|
381                             # Invidious instances taken from https://github.com/omarroth/invidious/wiki/Invidious-Instances
382                             (?:(?:www|dev)\.)?invidio\.us/|
383                             (?:(?:www|no)\.)?invidiou\.sh/|
384                             (?:(?:www|fi|de)\.)?invidious\.snopyta\.org/|
385                             (?:www\.)?invidious\.kabi\.tk/|
386                             (?:www\.)?invidious\.enkirton\.net/|
387                             (?:www\.)?invidious\.13ad\.de/|
388                             (?:www\.)?invidious\.mastodon\.host/|
389                             (?:www\.)?invidious\.nixnet\.xyz/|
390                             (?:www\.)?invidious\.drycat\.fr/|
391                             (?:www\.)?tube\.poal\.co/|
392                             (?:www\.)?vid\.wxzm\.sx/|
393                             (?:www\.)?yt\.elukerio\.org/|
394                             (?:www\.)?kgg2m7yk5aybusll\.onion/|
395                             (?:www\.)?qklhadlycap4cnod\.onion/|
396                             (?:www\.)?axqzx4s6s54s32yentfqojs3x5i7faxza6xo3ehd4bzzsg2ii4fv2iid\.onion/|
397                             (?:www\.)?c7hqkpkpemu6e7emz5b4vyz7idjgdvgaaa3dyimmeojqbgpea3xqjoid\.onion/|
398                             (?:www\.)?fz253lmuao3strwbfbmx46yu7acac2jz27iwtorgmbqlkurlclmancad\.onion/|
399                             (?:www\.)?invidious\.l4qlywnpwqsluw65ts7md3khrivpirse744un3x7mlskqauz5pyuzgqd\.onion/|
400                             (?:www\.)?owxfohz4kjyv25fvlqilyxast7inivgiktls3th44jhk3ej3i7ya\.b32\.i2p/|
401                             youtube\.googleapis\.com/)                        # the various hostnames, with wildcard subdomains
402                          (?:.*?\#/)?                                          # handle anchor (#/) redirect urls
403                          (?:                                                  # the various things that can precede the ID:
404                              (?:(?:v|embed|e)/(?!videoseries))                # v/ or embed/ or e/
405                              |(?:                                             # or the v= param in all its forms
406                                  (?:(?:watch|movie)(?:_popup)?(?:\.php)?/?)?  # preceding watch(_popup|.php) or nothing (like /?v=xxxx)
407                                  (?:\?|\#!?)                                  # the params delimiter ? or # or #!
408                                  (?:.*?[&;])??                                # any other preceding param (like /?s=tuff&v=xxxx or ?s=tuff&amp;v=V36LpHqtcDY)
409                                  v=
410                              )
411                          ))
412                          |(?:
413                             youtu\.be|                                        # just youtu.be/xxxx
414                             vid\.plus|                                        # or vid.plus/xxxx
415                             zwearz\.com/watch|                                # or zwearz.com/watch/xxxx
416                          )/
417                          |(?:www\.)?cleanvideosearch\.com/media/action/yt/watch\?videoId=
418                          )
419                      )?                                                       # all until now is optional -> you can pass the naked ID
420                      ([0-9A-Za-z_-]{11})                                      # here is it! the YouTube video ID
421                      (?!.*?\blist=
422                         (?:
423                             %(playlist_id)s|                                  # combined list/video URLs are handled by the playlist IE
424                             WL                                                # WL are handled by the watch later IE
425                         )
426                      )
427                      (?(1).+)?                                                # if we found the ID, everything can follow
428                      $""" % {'playlist_id': YoutubeBaseInfoExtractor._PLAYLIST_ID_RE}
429     _NEXT_URL_RE = r'[\?&]next_url=([^&]+)'
430     _formats = {
431         '5': {'ext': 'flv', 'width': 400, 'height': 240, 'acodec': 'mp3', 'abr': 64, 'vcodec': 'h263'},
432         '6': {'ext': 'flv', 'width': 450, 'height': 270, 'acodec': 'mp3', 'abr': 64, 'vcodec': 'h263'},
433         '13': {'ext': '3gp', 'acodec': 'aac', 'vcodec': 'mp4v'},
434         '17': {'ext': '3gp', 'width': 176, 'height': 144, 'acodec': 'aac', 'abr': 24, 'vcodec': 'mp4v'},
435         '18': {'ext': 'mp4', 'width': 640, 'height': 360, 'acodec': 'aac', 'abr': 96, 'vcodec': 'h264'},
436         '22': {'ext': 'mp4', 'width': 1280, 'height': 720, 'acodec': 'aac', 'abr': 192, 'vcodec': 'h264'},
437         '34': {'ext': 'flv', 'width': 640, 'height': 360, 'acodec': 'aac', 'abr': 128, 'vcodec': 'h264'},
438         '35': {'ext': 'flv', 'width': 854, 'height': 480, 'acodec': 'aac', 'abr': 128, 'vcodec': 'h264'},
439         # itag 36 videos are either 320x180 (BaW_jenozKc) or 320x240 (__2ABJjxzNo), abr varies as well
440         '36': {'ext': '3gp', 'width': 320, 'acodec': 'aac', 'vcodec': 'mp4v'},
441         '37': {'ext': 'mp4', 'width': 1920, 'height': 1080, 'acodec': 'aac', 'abr': 192, 'vcodec': 'h264'},
442         '38': {'ext': 'mp4', 'width': 4096, 'height': 3072, 'acodec': 'aac', 'abr': 192, 'vcodec': 'h264'},
443         '43': {'ext': 'webm', 'width': 640, 'height': 360, 'acodec': 'vorbis', 'abr': 128, 'vcodec': 'vp8'},
444         '44': {'ext': 'webm', 'width': 854, 'height': 480, 'acodec': 'vorbis', 'abr': 128, 'vcodec': 'vp8'},
445         '45': {'ext': 'webm', 'width': 1280, 'height': 720, 'acodec': 'vorbis', 'abr': 192, 'vcodec': 'vp8'},
446         '46': {'ext': 'webm', 'width': 1920, 'height': 1080, 'acodec': 'vorbis', 'abr': 192, 'vcodec': 'vp8'},
447         '59': {'ext': 'mp4', 'width': 854, 'height': 480, 'acodec': 'aac', 'abr': 128, 'vcodec': 'h264'},
448         '78': {'ext': 'mp4', 'width': 854, 'height': 480, 'acodec': 'aac', 'abr': 128, 'vcodec': 'h264'},
449
450
451         # 3D videos
452         '82': {'ext': 'mp4', 'height': 360, 'format_note': '3D', 'acodec': 'aac', 'abr': 128, 'vcodec': 'h264', 'preference': -20},
453         '83': {'ext': 'mp4', 'height': 480, 'format_note': '3D', 'acodec': 'aac', 'abr': 128, 'vcodec': 'h264', 'preference': -20},
454         '84': {'ext': 'mp4', 'height': 720, 'format_note': '3D', 'acodec': 'aac', 'abr': 192, 'vcodec': 'h264', 'preference': -20},
455         '85': {'ext': 'mp4', 'height': 1080, 'format_note': '3D', 'acodec': 'aac', 'abr': 192, 'vcodec': 'h264', 'preference': -20},
456         '100': {'ext': 'webm', 'height': 360, 'format_note': '3D', 'acodec': 'vorbis', 'abr': 128, 'vcodec': 'vp8', 'preference': -20},
457         '101': {'ext': 'webm', 'height': 480, 'format_note': '3D', 'acodec': 'vorbis', 'abr': 192, 'vcodec': 'vp8', 'preference': -20},
458         '102': {'ext': 'webm', 'height': 720, 'format_note': '3D', 'acodec': 'vorbis', 'abr': 192, 'vcodec': 'vp8', 'preference': -20},
459
460         # Apple HTTP Live Streaming
461         '91': {'ext': 'mp4', 'height': 144, 'format_note': 'HLS', 'acodec': 'aac', 'abr': 48, 'vcodec': 'h264', 'preference': -10},
462         '92': {'ext': 'mp4', 'height': 240, 'format_note': 'HLS', 'acodec': 'aac', 'abr': 48, 'vcodec': 'h264', 'preference': -10},
463         '93': {'ext': 'mp4', 'height': 360, 'format_note': 'HLS', 'acodec': 'aac', 'abr': 128, 'vcodec': 'h264', 'preference': -10},
464         '94': {'ext': 'mp4', 'height': 480, 'format_note': 'HLS', 'acodec': 'aac', 'abr': 128, 'vcodec': 'h264', 'preference': -10},
465         '95': {'ext': 'mp4', 'height': 720, 'format_note': 'HLS', 'acodec': 'aac', 'abr': 256, 'vcodec': 'h264', 'preference': -10},
466         '96': {'ext': 'mp4', 'height': 1080, 'format_note': 'HLS', 'acodec': 'aac', 'abr': 256, 'vcodec': 'h264', 'preference': -10},
467         '132': {'ext': 'mp4', 'height': 240, 'format_note': 'HLS', 'acodec': 'aac', 'abr': 48, 'vcodec': 'h264', 'preference': -10},
468         '151': {'ext': 'mp4', 'height': 72, 'format_note': 'HLS', 'acodec': 'aac', 'abr': 24, 'vcodec': 'h264', 'preference': -10},
469
470         # DASH mp4 video
471         '133': {'ext': 'mp4', 'height': 240, 'format_note': 'DASH video', 'vcodec': 'h264'},
472         '134': {'ext': 'mp4', 'height': 360, 'format_note': 'DASH video', 'vcodec': 'h264'},
473         '135': {'ext': 'mp4', 'height': 480, 'format_note': 'DASH video', 'vcodec': 'h264'},
474         '136': {'ext': 'mp4', 'height': 720, 'format_note': 'DASH video', 'vcodec': 'h264'},
475         '137': {'ext': 'mp4', 'height': 1080, 'format_note': 'DASH video', 'vcodec': 'h264'},
476         '138': {'ext': 'mp4', 'format_note': 'DASH video', 'vcodec': 'h264'},  # Height can vary (https://github.com/ytdl-org/youtube-dl/issues/4559)
477         '160': {'ext': 'mp4', 'height': 144, 'format_note': 'DASH video', 'vcodec': 'h264'},
478         '212': {'ext': 'mp4', 'height': 480, 'format_note': 'DASH video', 'vcodec': 'h264'},
479         '264': {'ext': 'mp4', 'height': 1440, 'format_note': 'DASH video', 'vcodec': 'h264'},
480         '298': {'ext': 'mp4', 'height': 720, 'format_note': 'DASH video', 'vcodec': 'h264', 'fps': 60},
481         '299': {'ext': 'mp4', 'height': 1080, 'format_note': 'DASH video', 'vcodec': 'h264', 'fps': 60},
482         '266': {'ext': 'mp4', 'height': 2160, 'format_note': 'DASH video', 'vcodec': 'h264'},
483
484         # Dash mp4 audio
485         '139': {'ext': 'm4a', 'format_note': 'DASH audio', 'acodec': 'aac', 'abr': 48, 'container': 'm4a_dash'},
486         '140': {'ext': 'm4a', 'format_note': 'DASH audio', 'acodec': 'aac', 'abr': 128, 'container': 'm4a_dash'},
487         '141': {'ext': 'm4a', 'format_note': 'DASH audio', 'acodec': 'aac', 'abr': 256, 'container': 'm4a_dash'},
488         '256': {'ext': 'm4a', 'format_note': 'DASH audio', 'acodec': 'aac', 'container': 'm4a_dash'},
489         '258': {'ext': 'm4a', 'format_note': 'DASH audio', 'acodec': 'aac', 'container': 'm4a_dash'},
490         '325': {'ext': 'm4a', 'format_note': 'DASH audio', 'acodec': 'dtse', 'container': 'm4a_dash'},
491         '328': {'ext': 'm4a', 'format_note': 'DASH audio', 'acodec': 'ec-3', 'container': 'm4a_dash'},
492
493         # Dash webm
494         '167': {'ext': 'webm', 'height': 360, 'width': 640, 'format_note': 'DASH video', 'container': 'webm', 'vcodec': 'vp8'},
495         '168': {'ext': 'webm', 'height': 480, 'width': 854, 'format_note': 'DASH video', 'container': 'webm', 'vcodec': 'vp8'},
496         '169': {'ext': 'webm', 'height': 720, 'width': 1280, 'format_note': 'DASH video', 'container': 'webm', 'vcodec': 'vp8'},
497         '170': {'ext': 'webm', 'height': 1080, 'width': 1920, 'format_note': 'DASH video', 'container': 'webm', 'vcodec': 'vp8'},
498         '218': {'ext': 'webm', 'height': 480, 'width': 854, 'format_note': 'DASH video', 'container': 'webm', 'vcodec': 'vp8'},
499         '219': {'ext': 'webm', 'height': 480, 'width': 854, 'format_note': 'DASH video', 'container': 'webm', 'vcodec': 'vp8'},
500         '278': {'ext': 'webm', 'height': 144, 'format_note': 'DASH video', 'container': 'webm', 'vcodec': 'vp9'},
501         '242': {'ext': 'webm', 'height': 240, 'format_note': 'DASH video', 'vcodec': 'vp9'},
502         '243': {'ext': 'webm', 'height': 360, 'format_note': 'DASH video', 'vcodec': 'vp9'},
503         '244': {'ext': 'webm', 'height': 480, 'format_note': 'DASH video', 'vcodec': 'vp9'},
504         '245': {'ext': 'webm', 'height': 480, 'format_note': 'DASH video', 'vcodec': 'vp9'},
505         '246': {'ext': 'webm', 'height': 480, 'format_note': 'DASH video', 'vcodec': 'vp9'},
506         '247': {'ext': 'webm', 'height': 720, 'format_note': 'DASH video', 'vcodec': 'vp9'},
507         '248': {'ext': 'webm', 'height': 1080, 'format_note': 'DASH video', 'vcodec': 'vp9'},
508         '271': {'ext': 'webm', 'height': 1440, 'format_note': 'DASH video', 'vcodec': 'vp9'},
509         # itag 272 videos are either 3840x2160 (e.g. RtoitU2A-3E) or 7680x4320 (sLprVF6d7Ug)
510         '272': {'ext': 'webm', 'height': 2160, 'format_note': 'DASH video', 'vcodec': 'vp9'},
511         '302': {'ext': 'webm', 'height': 720, 'format_note': 'DASH video', 'vcodec': 'vp9', 'fps': 60},
512         '303': {'ext': 'webm', 'height': 1080, 'format_note': 'DASH video', 'vcodec': 'vp9', 'fps': 60},
513         '308': {'ext': 'webm', 'height': 1440, 'format_note': 'DASH video', 'vcodec': 'vp9', 'fps': 60},
514         '313': {'ext': 'webm', 'height': 2160, 'format_note': 'DASH video', 'vcodec': 'vp9'},
515         '315': {'ext': 'webm', 'height': 2160, 'format_note': 'DASH video', 'vcodec': 'vp9', 'fps': 60},
516
517         # Dash webm audio
518         '171': {'ext': 'webm', 'acodec': 'vorbis', 'format_note': 'DASH audio', 'abr': 128},
519         '172': {'ext': 'webm', 'acodec': 'vorbis', 'format_note': 'DASH audio', 'abr': 256},
520
521         # Dash webm audio with opus inside
522         '249': {'ext': 'webm', 'format_note': 'DASH audio', 'acodec': 'opus', 'abr': 50},
523         '250': {'ext': 'webm', 'format_note': 'DASH audio', 'acodec': 'opus', 'abr': 70},
524         '251': {'ext': 'webm', 'format_note': 'DASH audio', 'acodec': 'opus', 'abr': 160},
525
526         # RTMP (unnamed)
527         '_rtmp': {'protocol': 'rtmp'},
528
529         # av01 video only formats sometimes served with "unknown" codecs
530         '394': {'acodec': 'none', 'vcodec': 'av01.0.05M.08'},
531         '395': {'acodec': 'none', 'vcodec': 'av01.0.05M.08'},
532         '396': {'acodec': 'none', 'vcodec': 'av01.0.05M.08'},
533         '397': {'acodec': 'none', 'vcodec': 'av01.0.05M.08'},
534     }
535     _SUBTITLE_FORMATS = ('srv1', 'srv2', 'srv3', 'ttml', 'vtt')
536
537     _GEO_BYPASS = False
538
539     IE_NAME = 'youtube'
540     _TESTS = [
541         {
542             'url': 'https://www.youtube.com/watch?v=BaW_jenozKc&t=1s&end=9',
543             'info_dict': {
544                 'id': 'BaW_jenozKc',
545                 'ext': 'mp4',
546                 'title': 'youtube-dl test video "\'/\\ä↭𝕐',
547                 'uploader': 'Philipp Hagemeister',
548                 'uploader_id': 'phihag',
549                 'uploader_url': r're:https?://(?:www\.)?youtube\.com/user/phihag',
550                 'channel_id': 'UCLqxVugv74EIW3VWh2NOa3Q',
551                 'channel_url': r're:https?://(?:www\.)?youtube\.com/channel/UCLqxVugv74EIW3VWh2NOa3Q',
552                 'upload_date': '20121002',
553                 '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 .',
554                 'categories': ['Science & Technology'],
555                 'tags': ['youtube-dl'],
556                 'duration': 10,
557                 'view_count': int,
558                 'like_count': int,
559                 'dislike_count': int,
560                 'start_time': 1,
561                 'end_time': 9,
562             }
563         },
564         {
565             'url': 'https://www.youtube.com/watch?v=UxxajLWwzqY',
566             'note': 'Test generic use_cipher_signature video (#897)',
567             'info_dict': {
568                 'id': 'UxxajLWwzqY',
569                 'ext': 'mp4',
570                 'upload_date': '20120506',
571                 'title': 'Icona Pop - I Love It (feat. Charli XCX) [OFFICIAL VIDEO]',
572                 'alt_title': 'I Love It (feat. Charli XCX)',
573                 'description': 'md5:f3ceb5ef83a08d95b9d146f973157cc8',
574                 'tags': ['Icona Pop i love it', 'sweden', 'pop music', 'big beat records', 'big beat', 'charli',
575                          'xcx', 'charli xcx', 'girls', 'hbo', 'i love it', "i don't care", 'icona', 'pop',
576                          'iconic ep', 'iconic', 'love', 'it'],
577                 'duration': 180,
578                 'uploader': 'Icona Pop',
579                 'uploader_id': 'IconaPop',
580                 'uploader_url': r're:https?://(?:www\.)?youtube\.com/user/IconaPop',
581                 'creator': 'Icona Pop',
582                 'track': 'I Love It (feat. Charli XCX)',
583                 'artist': 'Icona Pop',
584             }
585         },
586         {
587             'url': 'https://www.youtube.com/watch?v=07FYdnEawAQ',
588             'note': 'Test VEVO video with age protection (#956)',
589             'info_dict': {
590                 'id': '07FYdnEawAQ',
591                 'ext': 'mp4',
592                 'upload_date': '20130703',
593                 'title': 'Justin Timberlake - Tunnel Vision (Official Music Video) (Explicit)',
594                 'alt_title': 'Tunnel Vision',
595                 'description': 'md5:07dab3356cde4199048e4c7cd93471e1',
596                 'duration': 419,
597                 'uploader': 'justintimberlakeVEVO',
598                 'uploader_id': 'justintimberlakeVEVO',
599                 'uploader_url': r're:https?://(?:www\.)?youtube\.com/user/justintimberlakeVEVO',
600                 'creator': 'Justin Timberlake',
601                 'track': 'Tunnel Vision',
602                 'artist': 'Justin Timberlake',
603                 'age_limit': 18,
604             }
605         },
606         {
607             'url': '//www.YouTube.com/watch?v=yZIXLfi8CZQ',
608             'note': 'Embed-only video (#1746)',
609             'info_dict': {
610                 'id': 'yZIXLfi8CZQ',
611                 'ext': 'mp4',
612                 'upload_date': '20120608',
613                 'title': 'Principal Sexually Assaults A Teacher - Episode 117 - 8th June 2012',
614                 'description': 'md5:09b78bd971f1e3e289601dfba15ca4f7',
615                 'uploader': 'SET India',
616                 'uploader_id': 'setindia',
617                 'uploader_url': r're:https?://(?:www\.)?youtube\.com/user/setindia',
618                 'age_limit': 18,
619             }
620         },
621         {
622             'url': 'https://www.youtube.com/watch?v=BaW_jenozKc&v=UxxajLWwzqY',
623             'note': 'Use the first video ID in the URL',
624             'info_dict': {
625                 'id': 'BaW_jenozKc',
626                 'ext': 'mp4',
627                 'title': 'youtube-dl test video "\'/\\ä↭𝕐',
628                 'uploader': 'Philipp Hagemeister',
629                 'uploader_id': 'phihag',
630                 'uploader_url': r're:https?://(?:www\.)?youtube\.com/user/phihag',
631                 'upload_date': '20121002',
632                 '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 .',
633                 'categories': ['Science & Technology'],
634                 'tags': ['youtube-dl'],
635                 'duration': 10,
636                 'view_count': int,
637                 'like_count': int,
638                 'dislike_count': int,
639             },
640             'params': {
641                 'skip_download': True,
642             },
643         },
644         {
645             'url': 'https://www.youtube.com/watch?v=a9LDPn-MO4I',
646             'note': '256k DASH audio (format 141) via DASH manifest',
647             'info_dict': {
648                 'id': 'a9LDPn-MO4I',
649                 'ext': 'm4a',
650                 'upload_date': '20121002',
651                 'uploader_id': '8KVIDEO',
652                 'uploader_url': r're:https?://(?:www\.)?youtube\.com/user/8KVIDEO',
653                 'description': '',
654                 'uploader': '8KVIDEO',
655                 'title': 'UHDTV TEST 8K VIDEO.mp4'
656             },
657             'params': {
658                 'youtube_include_dash_manifest': True,
659                 'format': '141',
660             },
661             'skip': 'format 141 not served anymore',
662         },
663         # DASH manifest with encrypted signature
664         {
665             'url': 'https://www.youtube.com/watch?v=IB3lcPjvWLA',
666             'info_dict': {
667                 'id': 'IB3lcPjvWLA',
668                 'ext': 'm4a',
669                 'title': 'Afrojack, Spree Wilson - The Spark (Official Music Video) ft. Spree Wilson',
670                 'description': 'md5:8f5e2b82460520b619ccac1f509d43bf',
671                 'duration': 244,
672                 'uploader': 'AfrojackVEVO',
673                 'uploader_id': 'AfrojackVEVO',
674                 'upload_date': '20131011',
675             },
676             'params': {
677                 'youtube_include_dash_manifest': True,
678                 'format': '141/bestaudio[ext=m4a]',
679             },
680         },
681         # JS player signature function name containing $
682         {
683             'url': 'https://www.youtube.com/watch?v=nfWlot6h_JM',
684             'info_dict': {
685                 'id': 'nfWlot6h_JM',
686                 'ext': 'm4a',
687                 'title': 'Taylor Swift - Shake It Off',
688                 'description': 'md5:bec2185232c05479482cb5a9b82719bf',
689                 'duration': 242,
690                 'uploader': 'TaylorSwiftVEVO',
691                 'uploader_id': 'TaylorSwiftVEVO',
692                 'upload_date': '20140818',
693                 'creator': 'Taylor Swift',
694             },
695             'params': {
696                 'youtube_include_dash_manifest': True,
697                 'format': '141/bestaudio[ext=m4a]',
698             },
699         },
700         # Controversy video
701         {
702             'url': 'https://www.youtube.com/watch?v=T4XJQO3qol8',
703             'info_dict': {
704                 'id': 'T4XJQO3qol8',
705                 'ext': 'mp4',
706                 'duration': 219,
707                 'upload_date': '20100909',
708                 'uploader': 'Amazing Atheist',
709                 'uploader_id': 'TheAmazingAtheist',
710                 'uploader_url': r're:https?://(?:www\.)?youtube\.com/user/TheAmazingAtheist',
711                 'title': 'Burning Everyone\'s Koran',
712                 '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',
713             }
714         },
715         # Normal age-gate video (No vevo, embed allowed)
716         {
717             'url': 'https://youtube.com/watch?v=HtVdAasjOgU',
718             'info_dict': {
719                 'id': 'HtVdAasjOgU',
720                 'ext': 'mp4',
721                 'title': 'The Witcher 3: Wild Hunt - The Sword Of Destiny Trailer',
722                 'description': r're:(?s).{100,}About the Game\n.*?The Witcher 3: Wild Hunt.{100,}',
723                 'duration': 142,
724                 'uploader': 'The Witcher',
725                 'uploader_id': 'WitcherGame',
726                 'uploader_url': r're:https?://(?:www\.)?youtube\.com/user/WitcherGame',
727                 'upload_date': '20140605',
728                 'age_limit': 18,
729             },
730         },
731         # Age-gate video with encrypted signature
732         {
733             'url': 'https://www.youtube.com/watch?v=6kLq3WMV1nU',
734             'info_dict': {
735                 'id': '6kLq3WMV1nU',
736                 'ext': 'mp4',
737                 'title': 'Dedication To My Ex (Miss That) (Lyric Video)',
738                 'description': 'md5:33765bb339e1b47e7e72b5490139bb41',
739                 'duration': 246,
740                 'uploader': 'LloydVEVO',
741                 'uploader_id': 'LloydVEVO',
742                 'uploader_url': r're:https?://(?:www\.)?youtube\.com/user/LloydVEVO',
743                 'upload_date': '20110629',
744                 'age_limit': 18,
745             },
746         },
747         # video_info is None (https://github.com/ytdl-org/youtube-dl/issues/4421)
748         # YouTube Red ad is not captured for creator
749         {
750             'url': '__2ABJjxzNo',
751             'info_dict': {
752                 'id': '__2ABJjxzNo',
753                 'ext': 'mp4',
754                 'duration': 266,
755                 'upload_date': '20100430',
756                 'uploader_id': 'deadmau5',
757                 'uploader_url': r're:https?://(?:www\.)?youtube\.com/user/deadmau5',
758                 'creator': 'deadmau5',
759                 'description': 'md5:12c56784b8032162bb936a5f76d55360',
760                 'uploader': 'deadmau5',
761                 'title': 'Deadmau5 - Some Chords (HD)',
762                 'alt_title': 'Some Chords',
763             },
764             'expected_warnings': [
765                 'DASH manifest missing',
766             ]
767         },
768         # Olympics (https://github.com/ytdl-org/youtube-dl/issues/4431)
769         {
770             'url': 'lqQg6PlCWgI',
771             'info_dict': {
772                 'id': 'lqQg6PlCWgI',
773                 'ext': 'mp4',
774                 'duration': 6085,
775                 'upload_date': '20150827',
776                 'uploader_id': 'olympic',
777                 'uploader_url': r're:https?://(?:www\.)?youtube\.com/user/olympic',
778                 'description': 'HO09  - Women -  GER-AUS - Hockey - 31 July 2012 - London 2012 Olympic Games',
779                 'uploader': 'Olympic',
780                 'title': 'Hockey - Women -  GER-AUS - London 2012 Olympic Games',
781             },
782             'params': {
783                 'skip_download': 'requires avconv',
784             }
785         },
786         # Non-square pixels
787         {
788             'url': 'https://www.youtube.com/watch?v=_b-2C3KPAM0',
789             'info_dict': {
790                 'id': '_b-2C3KPAM0',
791                 'ext': 'mp4',
792                 'stretched_ratio': 16 / 9.,
793                 'duration': 85,
794                 'upload_date': '20110310',
795                 'uploader_id': 'AllenMeow',
796                 'uploader_url': r're:https?://(?:www\.)?youtube\.com/user/AllenMeow',
797                 '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',
798                 'uploader': '孫ᄋᄅ',
799                 'title': '[A-made] 變態妍字幕版 太妍 我就是這樣的人',
800             },
801         },
802         # url_encoded_fmt_stream_map is empty string
803         {
804             'url': 'qEJwOuvDf7I',
805             'info_dict': {
806                 'id': 'qEJwOuvDf7I',
807                 'ext': 'webm',
808                 'title': 'Обсуждение судебной практики по выборам 14 сентября 2014 года в Санкт-Петербурге',
809                 'description': '',
810                 'upload_date': '20150404',
811                 'uploader_id': 'spbelect',
812                 'uploader': 'Наблюдатели Петербурга',
813             },
814             'params': {
815                 'skip_download': 'requires avconv',
816             },
817             'skip': 'This live event has ended.',
818         },
819         # Extraction from multiple DASH manifests (https://github.com/ytdl-org/youtube-dl/pull/6097)
820         {
821             'url': 'https://www.youtube.com/watch?v=FIl7x6_3R5Y',
822             'info_dict': {
823                 'id': 'FIl7x6_3R5Y',
824                 'ext': 'webm',
825                 'title': 'md5:7b81415841e02ecd4313668cde88737a',
826                 'description': 'md5:116377fd2963b81ec4ce64b542173306',
827                 'duration': 220,
828                 'upload_date': '20150625',
829                 'uploader_id': 'dorappi2000',
830                 'uploader_url': r're:https?://(?:www\.)?youtube\.com/user/dorappi2000',
831                 'uploader': 'dorappi2000',
832                 'formats': 'mincount:31',
833             },
834             'skip': 'not actual anymore',
835         },
836         # DASH manifest with segment_list
837         {
838             'url': 'https://www.youtube.com/embed/CsmdDsKjzN8',
839             'md5': '8ce563a1d667b599d21064e982ab9e31',
840             'info_dict': {
841                 'id': 'CsmdDsKjzN8',
842                 'ext': 'mp4',
843                 'upload_date': '20150501',  # According to '<meta itemprop="datePublished"', but in other places it's 20150510
844                 'uploader': 'Airtek',
845                 'description': 'Retransmisión en directo de la XVIII media maratón de Zaragoza.',
846                 'uploader_id': 'UCzTzUmjXxxacNnL8I3m4LnQ',
847                 'title': 'Retransmisión XVIII Media maratón Zaragoza 2015',
848             },
849             'params': {
850                 'youtube_include_dash_manifest': True,
851                 'format': '135',  # bestvideo
852             },
853             'skip': 'This live event has ended.',
854         },
855         {
856             # Multifeed videos (multiple cameras), URL is for Main Camera
857             'url': 'https://www.youtube.com/watch?v=jqWvoWXjCVs',
858             'info_dict': {
859                 'id': 'jqWvoWXjCVs',
860                 'title': 'teamPGP: Rocket League Noob Stream',
861                 'description': 'md5:dc7872fb300e143831327f1bae3af010',
862             },
863             'playlist': [{
864                 'info_dict': {
865                     'id': 'jqWvoWXjCVs',
866                     'ext': 'mp4',
867                     'title': 'teamPGP: Rocket League Noob Stream (Main Camera)',
868                     'description': 'md5:dc7872fb300e143831327f1bae3af010',
869                     'duration': 7335,
870                     'upload_date': '20150721',
871                     'uploader': 'Beer Games Beer',
872                     'uploader_id': 'beergamesbeer',
873                     'uploader_url': r're:https?://(?:www\.)?youtube\.com/user/beergamesbeer',
874                     'license': 'Standard YouTube License',
875                 },
876             }, {
877                 'info_dict': {
878                     'id': '6h8e8xoXJzg',
879                     'ext': 'mp4',
880                     'title': 'teamPGP: Rocket League Noob Stream (kreestuh)',
881                     'description': 'md5:dc7872fb300e143831327f1bae3af010',
882                     'duration': 7337,
883                     'upload_date': '20150721',
884                     'uploader': 'Beer Games Beer',
885                     'uploader_id': 'beergamesbeer',
886                     'uploader_url': r're:https?://(?:www\.)?youtube\.com/user/beergamesbeer',
887                     'license': 'Standard YouTube License',
888                 },
889             }, {
890                 'info_dict': {
891                     'id': 'PUOgX5z9xZw',
892                     'ext': 'mp4',
893                     'title': 'teamPGP: Rocket League Noob Stream (grizzle)',
894                     'description': 'md5:dc7872fb300e143831327f1bae3af010',
895                     'duration': 7337,
896                     'upload_date': '20150721',
897                     'uploader': 'Beer Games Beer',
898                     'uploader_id': 'beergamesbeer',
899                     'uploader_url': r're:https?://(?:www\.)?youtube\.com/user/beergamesbeer',
900                     'license': 'Standard YouTube License',
901                 },
902             }, {
903                 'info_dict': {
904                     'id': 'teuwxikvS5k',
905                     'ext': 'mp4',
906                     'title': 'teamPGP: Rocket League Noob Stream (zim)',
907                     'description': 'md5:dc7872fb300e143831327f1bae3af010',
908                     'duration': 7334,
909                     'upload_date': '20150721',
910                     'uploader': 'Beer Games Beer',
911                     'uploader_id': 'beergamesbeer',
912                     'uploader_url': r're:https?://(?:www\.)?youtube\.com/user/beergamesbeer',
913                     'license': 'Standard YouTube License',
914                 },
915             }],
916             'params': {
917                 'skip_download': True,
918             },
919             'skip': 'This video is not available.',
920         },
921         {
922             # Multifeed video with comma in title (see https://github.com/ytdl-org/youtube-dl/issues/8536)
923             'url': 'https://www.youtube.com/watch?v=gVfLd0zydlo',
924             'info_dict': {
925                 'id': 'gVfLd0zydlo',
926                 'title': 'DevConf.cz 2016 Day 2 Workshops 1 14:00 - 15:30',
927             },
928             'playlist_count': 2,
929             'skip': 'Not multifeed anymore',
930         },
931         {
932             'url': 'https://vid.plus/FlRa-iH7PGw',
933             'only_matching': True,
934         },
935         {
936             'url': 'https://zwearz.com/watch/9lWxNJF-ufM/electra-woman-dyna-girl-official-trailer-grace-helbig.html',
937             'only_matching': True,
938         },
939         {
940             # Title with JS-like syntax "};" (see https://github.com/ytdl-org/youtube-dl/issues/7468)
941             # Also tests cut-off URL expansion in video description (see
942             # https://github.com/ytdl-org/youtube-dl/issues/1892,
943             # https://github.com/ytdl-org/youtube-dl/issues/8164)
944             'url': 'https://www.youtube.com/watch?v=lsguqyKfVQg',
945             'info_dict': {
946                 'id': 'lsguqyKfVQg',
947                 'ext': 'mp4',
948                 'title': '{dark walk}; Loki/AC/Dishonored; collab w/Elflover21',
949                 'alt_title': 'Dark Walk - Position Music',
950                 'description': 'md5:8085699c11dc3f597ce0410b0dcbb34a',
951                 'duration': 133,
952                 'upload_date': '20151119',
953                 'uploader_id': 'IronSoulElf',
954                 'uploader_url': r're:https?://(?:www\.)?youtube\.com/user/IronSoulElf',
955                 'uploader': 'IronSoulElf',
956                 'creator': 'Todd Haberman,  Daniel Law Heath and Aaron Kaplan',
957                 'track': 'Dark Walk - Position Music',
958                 'artist': 'Todd Haberman,  Daniel Law Heath and Aaron Kaplan',
959                 'album': 'Position Music - Production Music Vol. 143 - Dark Walk',
960             },
961             'params': {
962                 'skip_download': True,
963             },
964         },
965         {
966             # Tags with '};' (see https://github.com/ytdl-org/youtube-dl/issues/7468)
967             'url': 'https://www.youtube.com/watch?v=Ms7iBXnlUO8',
968             'only_matching': True,
969         },
970         {
971             # Video with yt:stretch=17:0
972             'url': 'https://www.youtube.com/watch?v=Q39EVAstoRM',
973             'info_dict': {
974                 'id': 'Q39EVAstoRM',
975                 'ext': 'mp4',
976                 'title': 'Clash Of Clans#14 Dicas De Ataque Para CV 4',
977                 'description': 'md5:ee18a25c350637c8faff806845bddee9',
978                 'upload_date': '20151107',
979                 'uploader_id': 'UCCr7TALkRbo3EtFzETQF1LA',
980                 'uploader': 'CH GAMER DROID',
981             },
982             'params': {
983                 'skip_download': True,
984             },
985             'skip': 'This video does not exist.',
986         },
987         {
988             # Video licensed under Creative Commons
989             'url': 'https://www.youtube.com/watch?v=M4gD1WSo5mA',
990             'info_dict': {
991                 'id': 'M4gD1WSo5mA',
992                 'ext': 'mp4',
993                 'title': 'md5:e41008789470fc2533a3252216f1c1d1',
994                 'description': 'md5:a677553cf0840649b731a3024aeff4cc',
995                 'duration': 721,
996                 'upload_date': '20150127',
997                 'uploader_id': 'BerkmanCenter',
998                 'uploader_url': r're:https?://(?:www\.)?youtube\.com/user/BerkmanCenter',
999                 'uploader': 'The Berkman Klein Center for Internet & Society',
1000                 'license': 'Creative Commons Attribution license (reuse allowed)',
1001             },
1002             'params': {
1003                 'skip_download': True,
1004             },
1005         },
1006         {
1007             # Channel-like uploader_url
1008             'url': 'https://www.youtube.com/watch?v=eQcmzGIKrzg',
1009             'info_dict': {
1010                 'id': 'eQcmzGIKrzg',
1011                 'ext': 'mp4',
1012                 'title': 'Democratic Socialism and Foreign Policy | Bernie Sanders',
1013                 'description': 'md5:dda0d780d5a6e120758d1711d062a867',
1014                 'duration': 4060,
1015                 'upload_date': '20151119',
1016                 'uploader': 'Bernie Sanders',
1017                 'uploader_id': 'UCH1dpzjCEiGAt8CXkryhkZg',
1018                 'uploader_url': r're:https?://(?:www\.)?youtube\.com/channel/UCH1dpzjCEiGAt8CXkryhkZg',
1019                 'license': 'Creative Commons Attribution license (reuse allowed)',
1020             },
1021             'params': {
1022                 'skip_download': True,
1023             },
1024         },
1025         {
1026             'url': 'https://www.youtube.com/watch?feature=player_embedded&amp;amp;v=V36LpHqtcDY',
1027             'only_matching': True,
1028         },
1029         {
1030             # YouTube Red paid video (https://github.com/ytdl-org/youtube-dl/issues/10059)
1031             'url': 'https://www.youtube.com/watch?v=i1Ko8UG-Tdo',
1032             'only_matching': True,
1033         },
1034         {
1035             # Rental video preview
1036             'url': 'https://www.youtube.com/watch?v=yYr8q0y5Jfg',
1037             'info_dict': {
1038                 'id': 'uGpuVWrhIzE',
1039                 'ext': 'mp4',
1040                 'title': 'Piku - Trailer',
1041                 'description': 'md5:c36bd60c3fd6f1954086c083c72092eb',
1042                 'upload_date': '20150811',
1043                 'uploader': 'FlixMatrix',
1044                 'uploader_id': 'FlixMatrixKaravan',
1045                 'uploader_url': r're:https?://(?:www\.)?youtube\.com/user/FlixMatrixKaravan',
1046                 'license': 'Standard YouTube License',
1047             },
1048             'params': {
1049                 'skip_download': True,
1050             },
1051             'skip': 'This video is not available.',
1052         },
1053         {
1054             # YouTube Red video with episode data
1055             'url': 'https://www.youtube.com/watch?v=iqKdEhx-dD4',
1056             'info_dict': {
1057                 'id': 'iqKdEhx-dD4',
1058                 'ext': 'mp4',
1059                 'title': 'Isolation - Mind Field (Ep 1)',
1060                 'description': 'md5:46a29be4ceffa65b92d277b93f463c0f',
1061                 'duration': 2085,
1062                 'upload_date': '20170118',
1063                 'uploader': 'Vsauce',
1064                 'uploader_id': 'Vsauce',
1065                 'uploader_url': r're:https?://(?:www\.)?youtube\.com/user/Vsauce',
1066                 'series': 'Mind Field',
1067                 'season_number': 1,
1068                 'episode_number': 1,
1069             },
1070             'params': {
1071                 'skip_download': True,
1072             },
1073             'expected_warnings': [
1074                 'Skipping DASH manifest',
1075             ],
1076         },
1077         {
1078             # The following content has been identified by the YouTube community
1079             # as inappropriate or offensive to some audiences.
1080             'url': 'https://www.youtube.com/watch?v=6SJNVb0GnPI',
1081             'info_dict': {
1082                 'id': '6SJNVb0GnPI',
1083                 'ext': 'mp4',
1084                 'title': 'Race Differences in Intelligence',
1085                 'description': 'md5:5d161533167390427a1f8ee89a1fc6f1',
1086                 'duration': 965,
1087                 'upload_date': '20140124',
1088                 'uploader': 'New Century Foundation',
1089                 'uploader_id': 'UCEJYpZGqgUob0zVVEaLhvVg',
1090                 'uploader_url': r're:https?://(?:www\.)?youtube\.com/channel/UCEJYpZGqgUob0zVVEaLhvVg',
1091             },
1092             'params': {
1093                 'skip_download': True,
1094             },
1095         },
1096         {
1097             # itag 212
1098             'url': '1t24XAntNCY',
1099             'only_matching': True,
1100         },
1101         {
1102             # geo restricted to JP
1103             'url': 'sJL6WA-aGkQ',
1104             'only_matching': True,
1105         },
1106         {
1107             'url': 'https://www.youtube.com/watch?v=MuAGGZNfUkU&list=RDMM',
1108             'only_matching': True,
1109         },
1110         {
1111             'url': 'https://invidio.us/watch?v=BaW_jenozKc',
1112             'only_matching': True,
1113         },
1114         {
1115             # DRM protected
1116             'url': 'https://www.youtube.com/watch?v=s7_qI6_mIXc',
1117             'only_matching': True,
1118         },
1119         {
1120             # Video with unsupported adaptive stream type formats
1121             'url': 'https://www.youtube.com/watch?v=Z4Vy8R84T1U',
1122             'info_dict': {
1123                 'id': 'Z4Vy8R84T1U',
1124                 'ext': 'mp4',
1125                 'title': 'saman SMAN 53 Jakarta(Sancety) opening COFFEE4th at SMAN 53 Jakarta',
1126                 'description': 'md5:d41d8cd98f00b204e9800998ecf8427e',
1127                 'duration': 433,
1128                 'upload_date': '20130923',
1129                 'uploader': 'Amelia Putri Harwita',
1130                 'uploader_id': 'UCpOxM49HJxmC1qCalXyB3_Q',
1131                 'uploader_url': r're:https?://(?:www\.)?youtube\.com/channel/UCpOxM49HJxmC1qCalXyB3_Q',
1132                 'formats': 'maxcount:10',
1133             },
1134             'params': {
1135                 'skip_download': True,
1136                 'youtube_include_dash_manifest': False,
1137             },
1138         },
1139         {
1140             # Youtube Music Auto-generated description
1141             'url': 'https://music.youtube.com/watch?v=MgNrAu2pzNs',
1142             'info_dict': {
1143                 'id': 'MgNrAu2pzNs',
1144                 'ext': 'mp4',
1145                 'title': 'Voyeur Girl',
1146                 'description': 'md5:7ae382a65843d6df2685993e90a8628f',
1147                 'upload_date': '20190312',
1148                 'uploader': 'Various Artists - Topic',
1149                 'uploader_id': 'UCVWKBi1ELZn0QX2CBLSkiyw',
1150                 'artist': 'Stephen',
1151                 'track': 'Voyeur Girl',
1152                 'album': 'it\'s too much love to know my dear',
1153                 'release_date': '20190313',
1154                 'release_year': 2019,
1155             },
1156             'params': {
1157                 'skip_download': True,
1158             },
1159         },
1160         {
1161             # Youtube Music Auto-generated description
1162             # Retrieve 'artist' field from 'Artist:' in video description
1163             # when it is present on youtube music video
1164             'url': 'https://www.youtube.com/watch?v=k0jLE7tTwjY',
1165             'info_dict': {
1166                 'id': 'k0jLE7tTwjY',
1167                 'ext': 'mp4',
1168                 'title': 'Latch Feat. Sam Smith',
1169                 'description': 'md5:3cb1e8101a7c85fcba9b4fb41b951335',
1170                 'upload_date': '20150110',
1171                 'uploader': 'Various Artists - Topic',
1172                 'uploader_id': 'UCNkEcmYdjrH4RqtNgh7BZ9w',
1173                 'artist': 'Disclosure',
1174                 'track': 'Latch Feat. Sam Smith',
1175                 'album': 'Latch Featuring Sam Smith',
1176                 'release_date': '20121008',
1177                 'release_year': 2012,
1178             },
1179             'params': {
1180                 'skip_download': True,
1181             },
1182         },
1183         {
1184             # Youtube Music Auto-generated description
1185             # handle multiple artists on youtube music video
1186             'url': 'https://www.youtube.com/watch?v=74qn0eJSjpA',
1187             'info_dict': {
1188                 'id': '74qn0eJSjpA',
1189                 'ext': 'mp4',
1190                 'title': 'Eastside',
1191                 'description': 'md5:290516bb73dcbfab0dcc4efe6c3de5f2',
1192                 'upload_date': '20180710',
1193                 'uploader': 'Benny Blanco - Topic',
1194                 'uploader_id': 'UCzqz_ksRu_WkIzmivMdIS7A',
1195                 'artist': 'benny blanco, Halsey, Khalid',
1196                 'track': 'Eastside',
1197                 'album': 'Eastside',
1198                 'release_date': '20180713',
1199                 'release_year': 2018,
1200             },
1201             'params': {
1202                 'skip_download': True,
1203             },
1204         },
1205         {
1206             # Youtube Music Auto-generated description
1207             # handle youtube music video with release_year and no release_date
1208             'url': 'https://www.youtube.com/watch?v=-hcAI0g-f5M',
1209             'info_dict': {
1210                 'id': '-hcAI0g-f5M',
1211                 'ext': 'mp4',
1212                 'title': 'Put It On Me',
1213                 'description': 'md5:93c55acc682ae7b0c668f2e34e1c069e',
1214                 'upload_date': '20180426',
1215                 'uploader': 'Matt Maeson - Topic',
1216                 'uploader_id': 'UCnEkIGqtGcQMLk73Kp-Q5LQ',
1217                 'artist': 'Matt Maeson',
1218                 'track': 'Put It On Me',
1219                 'album': 'The Hearse',
1220                 'release_date': None,
1221                 'release_year': 2018,
1222             },
1223             'params': {
1224                 'skip_download': True,
1225             },
1226         },
1227     ]
1228
1229     def __init__(self, *args, **kwargs):
1230         super(YoutubeIE, self).__init__(*args, **kwargs)
1231         self._player_cache = {}
1232
1233     def report_video_info_webpage_download(self, video_id):
1234         """Report attempt to download video info webpage."""
1235         self.to_screen('%s: Downloading video info webpage' % video_id)
1236
1237     def report_information_extraction(self, video_id):
1238         """Report attempt to extract video information."""
1239         self.to_screen('%s: Extracting video information' % video_id)
1240
1241     def report_unavailable_format(self, video_id, format):
1242         """Report extracted video URL."""
1243         self.to_screen('%s: Format %s not available' % (video_id, format))
1244
1245     def report_rtmp_download(self):
1246         """Indicate the download will use the RTMP protocol."""
1247         self.to_screen('RTMP download detected')
1248
1249     def _signature_cache_id(self, example_sig):
1250         """ Return a string representation of a signature """
1251         return '.'.join(compat_str(len(part)) for part in example_sig.split('.'))
1252
1253     def _extract_signature_function(self, video_id, player_url, example_sig):
1254         id_m = re.match(
1255             r'.*?-(?P<id>[a-zA-Z0-9_-]+)(?:/watch_as3|/html5player(?:-new)?|(?:/[a-z]{2,3}_[A-Z]{2})?/base)?\.(?P<ext>[a-z]+)$',
1256             player_url)
1257         if not id_m:
1258             raise ExtractorError('Cannot identify player %r' % player_url)
1259         player_type = id_m.group('ext')
1260         player_id = id_m.group('id')
1261
1262         # Read from filesystem cache
1263         func_id = '%s_%s_%s' % (
1264             player_type, player_id, self._signature_cache_id(example_sig))
1265         assert os.path.basename(func_id) == func_id
1266
1267         cache_spec = self._downloader.cache.load('youtube-sigfuncs', func_id)
1268         if cache_spec is not None:
1269             return lambda s: ''.join(s[i] for i in cache_spec)
1270
1271         download_note = (
1272             'Downloading player %s' % player_url
1273             if self._downloader.params.get('verbose') else
1274             'Downloading %s player %s' % (player_type, player_id)
1275         )
1276         if player_type == 'js':
1277             code = self._download_webpage(
1278                 player_url, video_id,
1279                 note=download_note,
1280                 errnote='Download of %s failed' % player_url)
1281             res = self._parse_sig_js(code)
1282         elif player_type == 'swf':
1283             urlh = self._request_webpage(
1284                 player_url, video_id,
1285                 note=download_note,
1286                 errnote='Download of %s failed' % player_url)
1287             code = urlh.read()
1288             res = self._parse_sig_swf(code)
1289         else:
1290             assert False, 'Invalid player type %r' % player_type
1291
1292         test_string = ''.join(map(compat_chr, range(len(example_sig))))
1293         cache_res = res(test_string)
1294         cache_spec = [ord(c) for c in cache_res]
1295
1296         self._downloader.cache.store('youtube-sigfuncs', func_id, cache_spec)
1297         return res
1298
1299     def _print_sig_code(self, func, example_sig):
1300         def gen_sig_code(idxs):
1301             def _genslice(start, end, step):
1302                 starts = '' if start == 0 else str(start)
1303                 ends = (':%d' % (end + step)) if end + step >= 0 else ':'
1304                 steps = '' if step == 1 else (':%d' % step)
1305                 return 's[%s%s%s]' % (starts, ends, steps)
1306
1307             step = None
1308             # Quelch pyflakes warnings - start will be set when step is set
1309             start = '(Never used)'
1310             for i, prev in zip(idxs[1:], idxs[:-1]):
1311                 if step is not None:
1312                     if i - prev == step:
1313                         continue
1314                     yield _genslice(start, prev, step)
1315                     step = None
1316                     continue
1317                 if i - prev in [-1, 1]:
1318                     step = i - prev
1319                     start = prev
1320                     continue
1321                 else:
1322                     yield 's[%d]' % prev
1323             if step is None:
1324                 yield 's[%d]' % i
1325             else:
1326                 yield _genslice(start, i, step)
1327
1328         test_string = ''.join(map(compat_chr, range(len(example_sig))))
1329         cache_res = func(test_string)
1330         cache_spec = [ord(c) for c in cache_res]
1331         expr_code = ' + '.join(gen_sig_code(cache_spec))
1332         signature_id_tuple = '(%s)' % (
1333             ', '.join(compat_str(len(p)) for p in example_sig.split('.')))
1334         code = ('if tuple(len(p) for p in s.split(\'.\')) == %s:\n'
1335                 '    return %s\n') % (signature_id_tuple, expr_code)
1336         self.to_screen('Extracted signature function:\n' + code)
1337
1338     def _parse_sig_js(self, jscode):
1339         funcname = self._search_regex(
1340             (r'\b[cs]\s*&&\s*[adf]\.set\([^,]+\s*,\s*encodeURIComponent\s*\(\s*(?P<sig>[a-zA-Z0-9$]+)\(',
1341              r'\b[a-zA-Z0-9]+\s*&&\s*[a-zA-Z0-9]+\.set\([^,]+\s*,\s*encodeURIComponent\s*\(\s*(?P<sig>[a-zA-Z0-9$]+)\(',
1342              r'(?P<sig>[a-zA-Z0-9$]+)\s*=\s*function\(\s*a\s*\)\s*{\s*a\s*=\s*a\.split\(\s*""\s*\)',
1343              # Obsolete patterns
1344              r'(["\'])signature\1\s*,\s*(?P<sig>[a-zA-Z0-9$]+)\(',
1345              r'\.sig\|\|(?P<sig>[a-zA-Z0-9$]+)\(',
1346              r'yt\.akamaized\.net/\)\s*\|\|\s*.*?\s*[cs]\s*&&\s*[adf]\.set\([^,]+\s*,\s*(?:encodeURIComponent\s*\()?\s*(?P<sig>[a-zA-Z0-9$]+)\(',
1347              r'\b[cs]\s*&&\s*[adf]\.set\([^,]+\s*,\s*(?P<sig>[a-zA-Z0-9$]+)\(',
1348              r'\b[a-zA-Z0-9]+\s*&&\s*[a-zA-Z0-9]+\.set\([^,]+\s*,\s*(?P<sig>[a-zA-Z0-9$]+)\(',
1349              r'\bc\s*&&\s*a\.set\([^,]+\s*,\s*\([^)]*\)\s*\(\s*(?P<sig>[a-zA-Z0-9$]+)\(',
1350              r'\bc\s*&&\s*[a-zA-Z0-9]+\.set\([^,]+\s*,\s*\([^)]*\)\s*\(\s*(?P<sig>[a-zA-Z0-9$]+)\(',
1351              r'\bc\s*&&\s*[a-zA-Z0-9]+\.set\([^,]+\s*,\s*\([^)]*\)\s*\(\s*(?P<sig>[a-zA-Z0-9$]+)\('),
1352             jscode, 'Initial JS player signature function name', group='sig')
1353
1354         jsi = JSInterpreter(jscode)
1355         initial_function = jsi.extract_function(funcname)
1356         return lambda s: initial_function([s])
1357
1358     def _parse_sig_swf(self, file_contents):
1359         swfi = SWFInterpreter(file_contents)
1360         TARGET_CLASSNAME = 'SignatureDecipher'
1361         searched_class = swfi.extract_class(TARGET_CLASSNAME)
1362         initial_function = swfi.extract_function(searched_class, 'decipher')
1363         return lambda s: initial_function([s])
1364
1365     def _decrypt_signature(self, s, video_id, player_url, age_gate=False):
1366         """Turn the encrypted s field into a working signature"""
1367
1368         if player_url is None:
1369             raise ExtractorError('Cannot decrypt signature without player_url')
1370
1371         if player_url.startswith('//'):
1372             player_url = 'https:' + player_url
1373         elif not re.match(r'https?://', player_url):
1374             player_url = compat_urlparse.urljoin(
1375                 'https://www.youtube.com', player_url)
1376         try:
1377             player_id = (player_url, self._signature_cache_id(s))
1378             if player_id not in self._player_cache:
1379                 func = self._extract_signature_function(
1380                     video_id, player_url, s
1381                 )
1382                 self._player_cache[player_id] = func
1383             func = self._player_cache[player_id]
1384             if self._downloader.params.get('youtube_print_sig_code'):
1385                 self._print_sig_code(func, s)
1386             return func(s)
1387         except Exception as e:
1388             tb = traceback.format_exc()
1389             raise ExtractorError(
1390                 'Signature extraction failed: ' + tb, cause=e)
1391
1392     def _get_subtitles(self, video_id, webpage):
1393         try:
1394             subs_doc = self._download_xml(
1395                 'https://video.google.com/timedtext?hl=en&type=list&v=%s' % video_id,
1396                 video_id, note=False)
1397         except ExtractorError as err:
1398             self._downloader.report_warning('unable to download video subtitles: %s' % error_to_compat_str(err))
1399             return {}
1400
1401         sub_lang_list = {}
1402         for track in subs_doc.findall('track'):
1403             lang = track.attrib['lang_code']
1404             if lang in sub_lang_list:
1405                 continue
1406             sub_formats = []
1407             for ext in self._SUBTITLE_FORMATS:
1408                 params = compat_urllib_parse_urlencode({
1409                     'lang': lang,
1410                     'v': video_id,
1411                     'fmt': ext,
1412                     'name': track.attrib['name'].encode('utf-8'),
1413                 })
1414                 sub_formats.append({
1415                     'url': 'https://www.youtube.com/api/timedtext?' + params,
1416                     'ext': ext,
1417                 })
1418             sub_lang_list[lang] = sub_formats
1419         if not sub_lang_list:
1420             self._downloader.report_warning('video doesn\'t have subtitles')
1421             return {}
1422         return sub_lang_list
1423
1424     def _get_ytplayer_config(self, video_id, webpage):
1425         patterns = (
1426             # User data may contain arbitrary character sequences that may affect
1427             # JSON extraction with regex, e.g. when '};' is contained the second
1428             # regex won't capture the whole JSON. Yet working around by trying more
1429             # concrete regex first keeping in mind proper quoted string handling
1430             # to be implemented in future that will replace this workaround (see
1431             # https://github.com/ytdl-org/youtube-dl/issues/7468,
1432             # https://github.com/ytdl-org/youtube-dl/pull/7599)
1433             r';ytplayer\.config\s*=\s*({.+?});ytplayer',
1434             r';ytplayer\.config\s*=\s*({.+?});',
1435         )
1436         config = self._search_regex(
1437             patterns, webpage, 'ytplayer.config', default=None)
1438         if config:
1439             return self._parse_json(
1440                 uppercase_escape(config), video_id, fatal=False)
1441
1442     def _get_automatic_captions(self, video_id, webpage):
1443         """We need the webpage for getting the captions url, pass it as an
1444            argument to speed up the process."""
1445         self.to_screen('%s: Looking for automatic captions' % video_id)
1446         player_config = self._get_ytplayer_config(video_id, webpage)
1447         err_msg = 'Couldn\'t find automatic captions for %s' % video_id
1448         if not player_config:
1449             self._downloader.report_warning(err_msg)
1450             return {}
1451         try:
1452             args = player_config['args']
1453             caption_url = args.get('ttsurl')
1454             if caption_url:
1455                 timestamp = args['timestamp']
1456                 # We get the available subtitles
1457                 list_params = compat_urllib_parse_urlencode({
1458                     'type': 'list',
1459                     'tlangs': 1,
1460                     'asrs': 1,
1461                 })
1462                 list_url = caption_url + '&' + list_params
1463                 caption_list = self._download_xml(list_url, video_id)
1464                 original_lang_node = caption_list.find('track')
1465                 if original_lang_node is None:
1466                     self._downloader.report_warning('Video doesn\'t have automatic captions')
1467                     return {}
1468                 original_lang = original_lang_node.attrib['lang_code']
1469                 caption_kind = original_lang_node.attrib.get('kind', '')
1470
1471                 sub_lang_list = {}
1472                 for lang_node in caption_list.findall('target'):
1473                     sub_lang = lang_node.attrib['lang_code']
1474                     sub_formats = []
1475                     for ext in self._SUBTITLE_FORMATS:
1476                         params = compat_urllib_parse_urlencode({
1477                             'lang': original_lang,
1478                             'tlang': sub_lang,
1479                             'fmt': ext,
1480                             'ts': timestamp,
1481                             'kind': caption_kind,
1482                         })
1483                         sub_formats.append({
1484                             'url': caption_url + '&' + params,
1485                             'ext': ext,
1486                         })
1487                     sub_lang_list[sub_lang] = sub_formats
1488                 return sub_lang_list
1489
1490             def make_captions(sub_url, sub_langs):
1491                 parsed_sub_url = compat_urllib_parse_urlparse(sub_url)
1492                 caption_qs = compat_parse_qs(parsed_sub_url.query)
1493                 captions = {}
1494                 for sub_lang in sub_langs:
1495                     sub_formats = []
1496                     for ext in self._SUBTITLE_FORMATS:
1497                         caption_qs.update({
1498                             'tlang': [sub_lang],
1499                             'fmt': [ext],
1500                         })
1501                         sub_url = compat_urlparse.urlunparse(parsed_sub_url._replace(
1502                             query=compat_urllib_parse_urlencode(caption_qs, True)))
1503                         sub_formats.append({
1504                             'url': sub_url,
1505                             'ext': ext,
1506                         })
1507                     captions[sub_lang] = sub_formats
1508                 return captions
1509
1510             # New captions format as of 22.06.2017
1511             player_response = args.get('player_response')
1512             if player_response and isinstance(player_response, compat_str):
1513                 player_response = self._parse_json(
1514                     player_response, video_id, fatal=False)
1515                 if player_response:
1516                     renderer = player_response['captions']['playerCaptionsTracklistRenderer']
1517                     base_url = renderer['captionTracks'][0]['baseUrl']
1518                     sub_lang_list = []
1519                     for lang in renderer['translationLanguages']:
1520                         lang_code = lang.get('languageCode')
1521                         if lang_code:
1522                             sub_lang_list.append(lang_code)
1523                     return make_captions(base_url, sub_lang_list)
1524
1525             # Some videos don't provide ttsurl but rather caption_tracks and
1526             # caption_translation_languages (e.g. 20LmZk1hakA)
1527             # Does not used anymore as of 22.06.2017
1528             caption_tracks = args['caption_tracks']
1529             caption_translation_languages = args['caption_translation_languages']
1530             caption_url = compat_parse_qs(caption_tracks.split(',')[0])['u'][0]
1531             sub_lang_list = []
1532             for lang in caption_translation_languages.split(','):
1533                 lang_qs = compat_parse_qs(compat_urllib_parse_unquote_plus(lang))
1534                 sub_lang = lang_qs.get('lc', [None])[0]
1535                 if sub_lang:
1536                     sub_lang_list.append(sub_lang)
1537             return make_captions(caption_url, sub_lang_list)
1538         # An extractor error can be raise by the download process if there are
1539         # no automatic captions but there are subtitles
1540         except (KeyError, IndexError, ExtractorError):
1541             self._downloader.report_warning(err_msg)
1542             return {}
1543
1544     def _mark_watched(self, video_id, video_info, player_response):
1545         playback_url = url_or_none(try_get(
1546             player_response,
1547             lambda x: x['playbackTracking']['videostatsPlaybackUrl']['baseUrl']) or try_get(
1548             video_info, lambda x: x['videostats_playback_base_url'][0]))
1549         if not playback_url:
1550             return
1551         parsed_playback_url = compat_urlparse.urlparse(playback_url)
1552         qs = compat_urlparse.parse_qs(parsed_playback_url.query)
1553
1554         # cpn generation algorithm is reverse engineered from base.js.
1555         # In fact it works even with dummy cpn.
1556         CPN_ALPHABET = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789-_'
1557         cpn = ''.join((CPN_ALPHABET[random.randint(0, 256) & 63] for _ in range(0, 16)))
1558
1559         qs.update({
1560             'ver': ['2'],
1561             'cpn': [cpn],
1562         })
1563         playback_url = compat_urlparse.urlunparse(
1564             parsed_playback_url._replace(query=compat_urllib_parse_urlencode(qs, True)))
1565
1566         self._download_webpage(
1567             playback_url, video_id, 'Marking watched',
1568             'Unable to mark watched', fatal=False)
1569
1570     @staticmethod
1571     def _extract_urls(webpage):
1572         # Embedded YouTube player
1573         entries = [
1574             unescapeHTML(mobj.group('url'))
1575             for mobj in re.finditer(r'''(?x)
1576             (?:
1577                 <iframe[^>]+?src=|
1578                 data-video-url=|
1579                 <embed[^>]+?src=|
1580                 embedSWF\(?:\s*|
1581                 <object[^>]+data=|
1582                 new\s+SWFObject\(
1583             )
1584             (["\'])
1585                 (?P<url>(?:https?:)?//(?:www\.)?youtube(?:-nocookie)?\.com/
1586                 (?:embed|v|p)/[0-9A-Za-z_-]{11}.*?)
1587             \1''', webpage)]
1588
1589         # lazyYT YouTube embed
1590         entries.extend(list(map(
1591             unescapeHTML,
1592             re.findall(r'class="lazyYT" data-youtube-id="([^"]+)"', webpage))))
1593
1594         # Wordpress "YouTube Video Importer" plugin
1595         matches = re.findall(r'''(?x)<div[^>]+
1596             class=(?P<q1>[\'"])[^\'"]*\byvii_single_video_player\b[^\'"]*(?P=q1)[^>]+
1597             data-video_id=(?P<q2>[\'"])([^\'"]+)(?P=q2)''', webpage)
1598         entries.extend(m[-1] for m in matches)
1599
1600         return entries
1601
1602     @staticmethod
1603     def _extract_url(webpage):
1604         urls = YoutubeIE._extract_urls(webpage)
1605         return urls[0] if urls else None
1606
1607     @classmethod
1608     def extract_id(cls, url):
1609         mobj = re.match(cls._VALID_URL, url, re.VERBOSE)
1610         if mobj is None:
1611             raise ExtractorError('Invalid URL: %s' % url)
1612         video_id = mobj.group(2)
1613         return video_id
1614
1615     @staticmethod
1616     def _extract_chapters(description, duration):
1617         if not description:
1618             return None
1619         chapter_lines = re.findall(
1620             r'(?:^|<br\s*/>)([^<]*<a[^>]+onclick=["\']yt\.www\.watch\.player\.seekTo[^>]+>(\d{1,2}:\d{1,2}(?::\d{1,2})?)</a>[^>]*)(?=$|<br\s*/>)',
1621             description)
1622         if not chapter_lines:
1623             return None
1624         chapters = []
1625         for next_num, (chapter_line, time_point) in enumerate(
1626                 chapter_lines, start=1):
1627             start_time = parse_duration(time_point)
1628             if start_time is None:
1629                 continue
1630             if start_time > duration:
1631                 break
1632             end_time = (duration if next_num == len(chapter_lines)
1633                         else parse_duration(chapter_lines[next_num][1]))
1634             if end_time is None:
1635                 continue
1636             if end_time > duration:
1637                 end_time = duration
1638             if start_time > end_time:
1639                 break
1640             chapter_title = re.sub(
1641                 r'<a[^>]+>[^<]+</a>', '', chapter_line).strip(' \t-')
1642             chapter_title = re.sub(r'\s+', ' ', chapter_title)
1643             chapters.append({
1644                 'start_time': start_time,
1645                 'end_time': end_time,
1646                 'title': chapter_title,
1647             })
1648         return chapters
1649
1650     def _real_extract(self, url):
1651         url, smuggled_data = unsmuggle_url(url, {})
1652
1653         proto = (
1654             'http' if self._downloader.params.get('prefer_insecure', False)
1655             else 'https')
1656
1657         start_time = None
1658         end_time = None
1659         parsed_url = compat_urllib_parse_urlparse(url)
1660         for component in [parsed_url.fragment, parsed_url.query]:
1661             query = compat_parse_qs(component)
1662             if start_time is None and 't' in query:
1663                 start_time = parse_duration(query['t'][0])
1664             if start_time is None and 'start' in query:
1665                 start_time = parse_duration(query['start'][0])
1666             if end_time is None and 'end' in query:
1667                 end_time = parse_duration(query['end'][0])
1668
1669         # Extract original video URL from URL with redirection, like age verification, using next_url parameter
1670         mobj = re.search(self._NEXT_URL_RE, url)
1671         if mobj:
1672             url = proto + '://www.youtube.com/' + compat_urllib_parse_unquote(mobj.group(1)).lstrip('/')
1673         video_id = self.extract_id(url)
1674
1675         # Get video webpage
1676         url = proto + '://www.youtube.com/watch?v=%s&gl=US&hl=en&has_verified=1&bpctr=9999999999' % video_id
1677         video_webpage = self._download_webpage(url, video_id)
1678
1679         # Attempt to extract SWF player URL
1680         mobj = re.search(r'swfConfig.*?"(https?:\\/\\/.*?watch.*?-.*?\.swf)"', video_webpage)
1681         if mobj is not None:
1682             player_url = re.sub(r'\\(.)', r'\1', mobj.group(1))
1683         else:
1684             player_url = None
1685
1686         dash_mpds = []
1687
1688         def add_dash_mpd(video_info):
1689             dash_mpd = video_info.get('dashmpd')
1690             if dash_mpd and dash_mpd[0] not in dash_mpds:
1691                 dash_mpds.append(dash_mpd[0])
1692
1693         def add_dash_mpd_pr(pl_response):
1694             dash_mpd = url_or_none(try_get(
1695                 pl_response, lambda x: x['streamingData']['dashManifestUrl'],
1696                 compat_str))
1697             if dash_mpd and dash_mpd not in dash_mpds:
1698                 dash_mpds.append(dash_mpd)
1699
1700         is_live = None
1701         view_count = None
1702
1703         def extract_view_count(v_info):
1704             return int_or_none(try_get(v_info, lambda x: x['view_count'][0]))
1705
1706         def extract_token(v_info):
1707             return dict_get(v_info, ('account_playback_token', 'accountPlaybackToken', 'token'))
1708
1709         def extract_player_response(player_response, video_id):
1710             pl_response = str_or_none(player_response)
1711             if not pl_response:
1712                 return
1713             pl_response = self._parse_json(pl_response, video_id, fatal=False)
1714             if isinstance(pl_response, dict):
1715                 add_dash_mpd_pr(pl_response)
1716                 return pl_response
1717
1718         player_response = {}
1719
1720         # Get video info
1721         embed_webpage = None
1722         if re.search(r'player-age-gate-content">', video_webpage) is not None:
1723             age_gate = True
1724             # We simulate the access to the video from www.youtube.com/v/{video_id}
1725             # this can be viewed without login into Youtube
1726             url = proto + '://www.youtube.com/embed/%s' % video_id
1727             embed_webpage = self._download_webpage(url, video_id, 'Downloading embed webpage')
1728             data = compat_urllib_parse_urlencode({
1729                 'video_id': video_id,
1730                 'eurl': 'https://youtube.googleapis.com/v/' + video_id,
1731                 'sts': self._search_regex(
1732                     r'"sts"\s*:\s*(\d+)', embed_webpage, 'sts', default=''),
1733             })
1734             video_info_url = proto + '://www.youtube.com/get_video_info?' + data
1735             video_info_webpage = self._download_webpage(
1736                 video_info_url, video_id,
1737                 note='Refetching age-gated info webpage',
1738                 errnote='unable to download video info webpage')
1739             video_info = compat_parse_qs(video_info_webpage)
1740             pl_response = video_info.get('player_response', [None])[0]
1741             player_response = extract_player_response(pl_response, video_id)
1742             add_dash_mpd(video_info)
1743             view_count = extract_view_count(video_info)
1744         else:
1745             age_gate = False
1746             video_info = None
1747             sts = None
1748             # Try looking directly into the video webpage
1749             ytplayer_config = self._get_ytplayer_config(video_id, video_webpage)
1750             if ytplayer_config:
1751                 args = ytplayer_config['args']
1752                 if args.get('url_encoded_fmt_stream_map') or args.get('hlsvp'):
1753                     # Convert to the same format returned by compat_parse_qs
1754                     video_info = dict((k, [v]) for k, v in args.items())
1755                     add_dash_mpd(video_info)
1756                 # Rental video is not rented but preview is available (e.g.
1757                 # https://www.youtube.com/watch?v=yYr8q0y5Jfg,
1758                 # https://github.com/ytdl-org/youtube-dl/issues/10532)
1759                 if not video_info and args.get('ypc_vid'):
1760                     return self.url_result(
1761                         args['ypc_vid'], YoutubeIE.ie_key(), video_id=args['ypc_vid'])
1762                 if args.get('livestream') == '1' or args.get('live_playback') == 1:
1763                     is_live = True
1764                 sts = ytplayer_config.get('sts')
1765                 if not player_response:
1766                     player_response = extract_player_response(args.get('player_response'), video_id)
1767             if not video_info or self._downloader.params.get('youtube_include_dash_manifest', True):
1768                 add_dash_mpd_pr(player_response)
1769                 # We also try looking in get_video_info since it may contain different dashmpd
1770                 # URL that points to a DASH manifest with possibly different itag set (some itags
1771                 # are missing from DASH manifest pointed by webpage's dashmpd, some - from DASH
1772                 # manifest pointed by get_video_info's dashmpd).
1773                 # The general idea is to take a union of itags of both DASH manifests (for example
1774                 # video with such 'manifest behavior' see https://github.com/ytdl-org/youtube-dl/issues/6093)
1775                 self.report_video_info_webpage_download(video_id)
1776                 for el in ('embedded', 'detailpage', 'vevo', ''):
1777                     query = {
1778                         'video_id': video_id,
1779                         'ps': 'default',
1780                         'eurl': '',
1781                         'gl': 'US',
1782                         'hl': 'en',
1783                     }
1784                     if el:
1785                         query['el'] = el
1786                     if sts:
1787                         query['sts'] = sts
1788                     video_info_webpage = self._download_webpage(
1789                         '%s://www.youtube.com/get_video_info' % proto,
1790                         video_id, note=False,
1791                         errnote='unable to download video info webpage',
1792                         fatal=False, query=query)
1793                     if not video_info_webpage:
1794                         continue
1795                     get_video_info = compat_parse_qs(video_info_webpage)
1796                     if not player_response:
1797                         pl_response = get_video_info.get('player_response', [None])[0]
1798                         player_response = extract_player_response(pl_response, video_id)
1799                     add_dash_mpd(get_video_info)
1800                     if view_count is None:
1801                         view_count = extract_view_count(get_video_info)
1802                     if not video_info:
1803                         video_info = get_video_info
1804                     get_token = extract_token(get_video_info)
1805                     if get_token:
1806                         # Different get_video_info requests may report different results, e.g.
1807                         # some may report video unavailability, but some may serve it without
1808                         # any complaint (see https://github.com/ytdl-org/youtube-dl/issues/7362,
1809                         # the original webpage as well as el=info and el=embedded get_video_info
1810                         # requests report video unavailability due to geo restriction while
1811                         # el=detailpage succeeds and returns valid data). This is probably
1812                         # due to YouTube measures against IP ranges of hosting providers.
1813                         # Working around by preferring the first succeeded video_info containing
1814                         # the token if no such video_info yet was found.
1815                         token = extract_token(video_info)
1816                         if not token:
1817                             video_info = get_video_info
1818                         break
1819
1820         def extract_unavailable_message():
1821             messages = []
1822             for tag, kind in (('h1', 'message'), ('div', 'submessage')):
1823                 msg = self._html_search_regex(
1824                     r'(?s)<{tag}[^>]+id=["\']unavailable-{kind}["\'][^>]*>(.+?)</{tag}>'.format(tag=tag, kind=kind),
1825                     video_webpage, 'unavailable %s' % kind, default=None)
1826                 if msg:
1827                     messages.append(msg)
1828             if messages:
1829                 return '\n'.join(messages)
1830
1831         if not video_info:
1832             unavailable_message = extract_unavailable_message()
1833             if not unavailable_message:
1834                 unavailable_message = 'Unable to extract video data'
1835             raise ExtractorError(
1836                 'YouTube said: %s' % unavailable_message, expected=True, video_id=video_id)
1837
1838         video_details = try_get(
1839             player_response, lambda x: x['videoDetails'], dict) or {}
1840
1841         video_title = video_info.get('title', [None])[0] or video_details.get('title')
1842         if not video_title:
1843             self._downloader.report_warning('Unable to extract video title')
1844             video_title = '_'
1845
1846         description_original = video_description = get_element_by_id("eow-description", video_webpage)
1847         if video_description:
1848
1849             def replace_url(m):
1850                 redir_url = compat_urlparse.urljoin(url, m.group(1))
1851                 parsed_redir_url = compat_urllib_parse_urlparse(redir_url)
1852                 if re.search(r'^(?:www\.)?(?:youtube(?:-nocookie)?\.com|youtu\.be)$', parsed_redir_url.netloc) and parsed_redir_url.path == '/redirect':
1853                     qs = compat_parse_qs(parsed_redir_url.query)
1854                     q = qs.get('q')
1855                     if q and q[0]:
1856                         return q[0]
1857                 return redir_url
1858
1859             description_original = video_description = re.sub(r'''(?x)
1860                 <a\s+
1861                     (?:[a-zA-Z-]+="[^"]*"\s+)*?
1862                     (?:title|href)="([^"]+)"\s+
1863                     (?:[a-zA-Z-]+="[^"]*"\s+)*?
1864                     class="[^"]*"[^>]*>
1865                 [^<]+\.{3}\s*
1866                 </a>
1867             ''', replace_url, video_description)
1868             video_description = clean_html(video_description)
1869         else:
1870             video_description = self._html_search_meta('description', video_webpage) or video_details.get('shortDescription')
1871
1872         if not smuggled_data.get('force_singlefeed', False):
1873             if not self._downloader.params.get('noplaylist'):
1874                 multifeed_metadata_list = try_get(
1875                     player_response,
1876                     lambda x: x['multicamera']['playerLegacyMulticameraRenderer']['metadataList'],
1877                     compat_str) or try_get(
1878                     video_info, lambda x: x['multifeed_metadata_list'][0], compat_str)
1879                 if multifeed_metadata_list:
1880                     entries = []
1881                     feed_ids = []
1882                     for feed in multifeed_metadata_list.split(','):
1883                         # Unquote should take place before split on comma (,) since textual
1884                         # fields may contain comma as well (see
1885                         # https://github.com/ytdl-org/youtube-dl/issues/8536)
1886                         feed_data = compat_parse_qs(compat_urllib_parse_unquote_plus(feed))
1887                         entries.append({
1888                             '_type': 'url_transparent',
1889                             'ie_key': 'Youtube',
1890                             'url': smuggle_url(
1891                                 '%s://www.youtube.com/watch?v=%s' % (proto, feed_data['id'][0]),
1892                                 {'force_singlefeed': True}),
1893                             'title': '%s (%s)' % (video_title, feed_data['title'][0]),
1894                         })
1895                         feed_ids.append(feed_data['id'][0])
1896                     self.to_screen(
1897                         'Downloading multifeed video (%s) - add --no-playlist to just download video %s'
1898                         % (', '.join(feed_ids), video_id))
1899                     return self.playlist_result(entries, video_id, video_title, video_description)
1900             else:
1901                 self.to_screen('Downloading just video %s because of --no-playlist' % video_id)
1902
1903         if view_count is None:
1904             view_count = extract_view_count(video_info)
1905         if view_count is None and video_details:
1906             view_count = int_or_none(video_details.get('viewCount'))
1907
1908         if is_live is None:
1909             is_live = bool_or_none(video_details.get('isLive'))
1910
1911         # Check for "rental" videos
1912         if 'ypc_video_rental_bar_text' in video_info and 'author' not in video_info:
1913             raise ExtractorError('"rental" videos not supported. See https://github.com/ytdl-org/youtube-dl/issues/359 for more information.', expected=True)
1914
1915         def _extract_filesize(media_url):
1916             return int_or_none(self._search_regex(
1917                 r'\bclen[=/](\d+)', media_url, 'filesize', default=None))
1918
1919         streaming_formats = try_get(player_response, lambda x: x['streamingData']['formats'], list) or []
1920         streaming_formats.extend(try_get(player_response, lambda x: x['streamingData']['adaptiveFormats'], list) or [])
1921
1922         if 'conn' in video_info and video_info['conn'][0].startswith('rtmp'):
1923             self.report_rtmp_download()
1924             formats = [{
1925                 'format_id': '_rtmp',
1926                 'protocol': 'rtmp',
1927                 'url': video_info['conn'][0],
1928                 'player_url': player_url,
1929             }]
1930         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):
1931             encoded_url_map = video_info.get('url_encoded_fmt_stream_map', [''])[0] + ',' + video_info.get('adaptive_fmts', [''])[0]
1932             if 'rtmpe%3Dyes' in encoded_url_map:
1933                 raise ExtractorError('rtmpe downloads are not supported, see https://github.com/ytdl-org/youtube-dl/issues/343 for more information.', expected=True)
1934             formats = []
1935             formats_spec = {}
1936             fmt_list = video_info.get('fmt_list', [''])[0]
1937             if fmt_list:
1938                 for fmt in fmt_list.split(','):
1939                     spec = fmt.split('/')
1940                     if len(spec) > 1:
1941                         width_height = spec[1].split('x')
1942                         if len(width_height) == 2:
1943                             formats_spec[spec[0]] = {
1944                                 'resolution': spec[1],
1945                                 'width': int_or_none(width_height[0]),
1946                                 'height': int_or_none(width_height[1]),
1947                             }
1948             for fmt in streaming_formats:
1949                 itag = str_or_none(fmt.get('itag'))
1950                 if not itag:
1951                     continue
1952                 quality = fmt.get('quality')
1953                 quality_label = fmt.get('qualityLabel') or quality
1954                 formats_spec[itag] = {
1955                     'asr': int_or_none(fmt.get('audioSampleRate')),
1956                     'filesize': int_or_none(fmt.get('contentLength')),
1957                     'format_note': quality_label,
1958                     'fps': int_or_none(fmt.get('fps')),
1959                     'height': int_or_none(fmt.get('height')),
1960                     # bitrate for itag 43 is always 2147483647
1961                     'tbr': float_or_none(fmt.get('averageBitrate') or fmt.get('bitrate'), 1000) if itag != '43' else None,
1962                     'width': int_or_none(fmt.get('width')),
1963                 }
1964
1965             for fmt in streaming_formats:
1966                 if fmt.get('drm_families'):
1967                     continue
1968                 url = url_or_none(fmt.get('url'))
1969
1970                 if not url:
1971                     cipher = fmt.get('cipher')
1972                     if not cipher:
1973                         continue
1974                     url_data = compat_parse_qs(cipher)
1975                     url = url_or_none(try_get(url_data, lambda x: x['url'][0], compat_str))
1976                     if not url:
1977                         continue
1978                 else:
1979                     cipher = None
1980                     url_data = compat_parse_qs(compat_urllib_parse_urlparse(url).query)
1981
1982                 stream_type = int_or_none(try_get(url_data, lambda x: x['stream_type'][0]))
1983                 # Unsupported FORMAT_STREAM_TYPE_OTF
1984                 if stream_type == 3:
1985                     continue
1986
1987                 format_id = fmt.get('itag') or url_data['itag'][0]
1988                 if not format_id:
1989                     continue
1990                 format_id = compat_str(format_id)
1991
1992                 if cipher:
1993                     if 's' in url_data or self._downloader.params.get('youtube_include_dash_manifest', True):
1994                         ASSETS_RE = r'"assets":.+?"js":\s*("[^"]+")'
1995                         jsplayer_url_json = self._search_regex(
1996                             ASSETS_RE,
1997                             embed_webpage if age_gate else video_webpage,
1998                             'JS player URL (1)', default=None)
1999                         if not jsplayer_url_json and not age_gate:
2000                             # We need the embed website after all
2001                             if embed_webpage is None:
2002                                 embed_url = proto + '://www.youtube.com/embed/%s' % video_id
2003                                 embed_webpage = self._download_webpage(
2004                                     embed_url, video_id, 'Downloading embed webpage')
2005                             jsplayer_url_json = self._search_regex(
2006                                 ASSETS_RE, embed_webpage, 'JS player URL')
2007
2008                         player_url = json.loads(jsplayer_url_json)
2009                         if player_url is None:
2010                             player_url_json = self._search_regex(
2011                                 r'ytplayer\.config.*?"url"\s*:\s*("[^"]+")',
2012                                 video_webpage, 'age gate player URL')
2013                             player_url = json.loads(player_url_json)
2014
2015                     if 'sig' in url_data:
2016                         url += '&signature=' + url_data['sig'][0]
2017                     elif 's' in url_data:
2018                         encrypted_sig = url_data['s'][0]
2019
2020                         if self._downloader.params.get('verbose'):
2021                             if player_url is None:
2022                                 player_version = 'unknown'
2023                                 player_desc = 'unknown'
2024                             else:
2025                                 if player_url.endswith('swf'):
2026                                     player_version = self._search_regex(
2027                                         r'-(.+?)(?:/watch_as3)?\.swf$', player_url,
2028                                         'flash player', fatal=False)
2029                                     player_desc = 'flash player %s' % player_version
2030                                 else:
2031                                     player_version = self._search_regex(
2032                                         [r'html5player-([^/]+?)(?:/html5player(?:-new)?)?\.js',
2033                                          r'(?:www|player(?:_ias)?)-([^/]+)(?:/[a-z]{2,3}_[A-Z]{2})?/base\.js'],
2034                                         player_url,
2035                                         'html5 player', fatal=False)
2036                                     player_desc = 'html5 player %s' % player_version
2037
2038                             parts_sizes = self._signature_cache_id(encrypted_sig)
2039                             self.to_screen('{%s} signature length %s, %s' %
2040                                            (format_id, parts_sizes, player_desc))
2041
2042                         signature = self._decrypt_signature(
2043                             encrypted_sig, video_id, player_url, age_gate)
2044                         sp = try_get(url_data, lambda x: x['sp'][0], compat_str) or 'signature'
2045                         url += '&%s=%s' % (sp, signature)
2046                 if 'ratebypass' not in url:
2047                     url += '&ratebypass=yes'
2048
2049                 dct = {
2050                     'format_id': format_id,
2051                     'url': url,
2052                     'player_url': player_url,
2053                 }
2054                 if format_id in self._formats:
2055                     dct.update(self._formats[format_id])
2056                 if format_id in formats_spec:
2057                     dct.update(formats_spec[format_id])
2058
2059                 # Some itags are not included in DASH manifest thus corresponding formats will
2060                 # lack metadata (see https://github.com/ytdl-org/youtube-dl/pull/5993).
2061                 # Trying to extract metadata from url_encoded_fmt_stream_map entry.
2062                 mobj = re.search(r'^(?P<width>\d+)[xX](?P<height>\d+)$', url_data.get('size', [''])[0])
2063                 width, height = (int(mobj.group('width')), int(mobj.group('height'))) if mobj else (None, None)
2064
2065                 if width is None:
2066                     width = int_or_none(fmt.get('width'))
2067                 if height is None:
2068                     height = int_or_none(fmt.get('height'))
2069
2070                 filesize = int_or_none(url_data.get(
2071                     'clen', [None])[0]) or _extract_filesize(url)
2072
2073                 quality = url_data.get('quality', [None])[0] or fmt.get('quality')
2074                 quality_label = url_data.get('quality_label', [None])[0] or fmt.get('qualityLabel')
2075
2076                 tbr = (float_or_none(url_data.get('bitrate', [None])[0], 1000)
2077                        or float_or_none(fmt.get('bitrate'), 1000)) if format_id != '43' else None
2078                 fps = int_or_none(url_data.get('fps', [None])[0]) or int_or_none(fmt.get('fps'))
2079
2080                 more_fields = {
2081                     'filesize': filesize,
2082                     'tbr': tbr,
2083                     'width': width,
2084                     'height': height,
2085                     'fps': fps,
2086                     'format_note': quality_label or quality,
2087                 }
2088                 for key, value in more_fields.items():
2089                     if value:
2090                         dct[key] = value
2091                 type_ = url_data.get('type', [None])[0] or fmt.get('mimeType')
2092                 if type_:
2093                     type_split = type_.split(';')
2094                     kind_ext = type_split[0].split('/')
2095                     if len(kind_ext) == 2:
2096                         kind, _ = kind_ext
2097                         dct['ext'] = mimetype2ext(type_split[0])
2098                         if kind in ('audio', 'video'):
2099                             codecs = None
2100                             for mobj in re.finditer(
2101                                     r'(?P<key>[a-zA-Z_-]+)=(?P<quote>["\']?)(?P<val>.+?)(?P=quote)(?:;|$)', type_):
2102                                 if mobj.group('key') == 'codecs':
2103                                     codecs = mobj.group('val')
2104                                     break
2105                             if codecs:
2106                                 dct.update(parse_codecs(codecs))
2107                 if dct.get('acodec') == 'none' or dct.get('vcodec') == 'none':
2108                     dct['downloader_options'] = {
2109                         # Youtube throttles chunks >~10M
2110                         'http_chunk_size': 10485760,
2111                     }
2112                 formats.append(dct)
2113         else:
2114             manifest_url = (
2115                 url_or_none(try_get(
2116                     player_response,
2117                     lambda x: x['streamingData']['hlsManifestUrl'],
2118                     compat_str))
2119                 or url_or_none(try_get(
2120                     video_info, lambda x: x['hlsvp'][0], compat_str)))
2121             if manifest_url:
2122                 formats = []
2123                 m3u8_formats = self._extract_m3u8_formats(
2124                     manifest_url, video_id, 'mp4', fatal=False)
2125                 for a_format in m3u8_formats:
2126                     itag = self._search_regex(
2127                         r'/itag/(\d+)/', a_format['url'], 'itag', default=None)
2128                     if itag:
2129                         a_format['format_id'] = itag
2130                         if itag in self._formats:
2131                             dct = self._formats[itag].copy()
2132                             dct.update(a_format)
2133                             a_format = dct
2134                     a_format['player_url'] = player_url
2135                     # Accept-Encoding header causes failures in live streams on Youtube and Youtube Gaming
2136                     a_format.setdefault('http_headers', {})['Youtubedl-no-compression'] = 'True'
2137                     formats.append(a_format)
2138             else:
2139                 error_message = extract_unavailable_message()
2140                 if not error_message:
2141                     error_message = clean_html(try_get(
2142                         player_response, lambda x: x['playabilityStatus']['reason'],
2143                         compat_str))
2144                 if not error_message:
2145                     error_message = clean_html(
2146                         try_get(video_info, lambda x: x['reason'][0], compat_str))
2147                 if error_message:
2148                     raise ExtractorError(error_message, expected=True)
2149                 raise ExtractorError('no conn, hlsvp, hlsManifestUrl or url_encoded_fmt_stream_map information found in video info')
2150
2151         # uploader
2152         video_uploader = try_get(
2153             video_info, lambda x: x['author'][0],
2154             compat_str) or str_or_none(video_details.get('author'))
2155         if video_uploader:
2156             video_uploader = compat_urllib_parse_unquote_plus(video_uploader)
2157         else:
2158             self._downloader.report_warning('unable to extract uploader name')
2159
2160         # uploader_id
2161         video_uploader_id = None
2162         video_uploader_url = None
2163         mobj = re.search(
2164             r'<link itemprop="url" href="(?P<uploader_url>https?://www\.youtube\.com/(?:user|channel)/(?P<uploader_id>[^"]+))">',
2165             video_webpage)
2166         if mobj is not None:
2167             video_uploader_id = mobj.group('uploader_id')
2168             video_uploader_url = mobj.group('uploader_url')
2169         else:
2170             self._downloader.report_warning('unable to extract uploader nickname')
2171
2172         channel_id = (
2173             str_or_none(video_details.get('channelId'))
2174             or self._html_search_meta(
2175                 'channelId', video_webpage, 'channel id', default=None)
2176             or self._search_regex(
2177                 r'data-channel-external-id=(["\'])(?P<id>(?:(?!\1).)+)\1',
2178                 video_webpage, 'channel id', default=None, group='id'))
2179         channel_url = 'http://www.youtube.com/channel/%s' % channel_id if channel_id else None
2180
2181         # thumbnail image
2182         # We try first to get a high quality image:
2183         m_thumb = re.search(r'<span itemprop="thumbnail".*?href="(.*?)">',
2184                             video_webpage, re.DOTALL)
2185         if m_thumb is not None:
2186             video_thumbnail = m_thumb.group(1)
2187         elif 'thumbnail_url' not in video_info:
2188             self._downloader.report_warning('unable to extract video thumbnail')
2189             video_thumbnail = None
2190         else:   # don't panic if we can't find it
2191             video_thumbnail = compat_urllib_parse_unquote_plus(video_info['thumbnail_url'][0])
2192
2193         # upload date
2194         upload_date = self._html_search_meta(
2195             'datePublished', video_webpage, 'upload date', default=None)
2196         if not upload_date:
2197             upload_date = self._search_regex(
2198                 [r'(?s)id="eow-date.*?>(.*?)</span>',
2199                  r'(?:id="watch-uploader-info".*?>.*?|["\']simpleText["\']\s*:\s*["\'])(?:Published|Uploaded|Streamed live|Started) on (.+?)[<"\']'],
2200                 video_webpage, 'upload date', default=None)
2201         upload_date = unified_strdate(upload_date)
2202
2203         video_license = self._html_search_regex(
2204             r'<h4[^>]+class="title"[^>]*>\s*License\s*</h4>\s*<ul[^>]*>\s*<li>(.+?)</li',
2205             video_webpage, 'license', default=None)
2206
2207         m_music = re.search(
2208             r'''(?x)
2209                 <h4[^>]+class="title"[^>]*>\s*Music\s*</h4>\s*
2210                 <ul[^>]*>\s*
2211                 <li>(?P<title>.+?)
2212                 by (?P<creator>.+?)
2213                 (?:
2214                     \(.+?\)|
2215                     <a[^>]*
2216                         (?:
2217                             \bhref=["\']/red[^>]*>|             # drop possible
2218                             >\s*Listen ad-free with YouTube Red # YouTube Red ad
2219                         )
2220                     .*?
2221                 )?</li
2222             ''',
2223             video_webpage)
2224         if m_music:
2225             video_alt_title = remove_quotes(unescapeHTML(m_music.group('title')))
2226             video_creator = clean_html(m_music.group('creator'))
2227         else:
2228             video_alt_title = video_creator = None
2229
2230         def extract_meta(field):
2231             return self._html_search_regex(
2232                 r'<h4[^>]+class="title"[^>]*>\s*%s\s*</h4>\s*<ul[^>]*>\s*<li>(.+?)</li>\s*' % field,
2233                 video_webpage, field, default=None)
2234
2235         track = extract_meta('Song')
2236         artist = extract_meta('Artist')
2237         album = extract_meta('Album')
2238
2239         # Youtube Music Auto-generated description
2240         release_date = release_year = None
2241         if video_description:
2242             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)
2243             if mobj:
2244                 if not track:
2245                     track = mobj.group('track').strip()
2246                 if not artist:
2247                     artist = mobj.group('clean_artist') or ', '.join(a.strip() for a in mobj.group('artist').split('·'))
2248                 if not album:
2249                     album = mobj.group('album'.strip())
2250                 release_year = mobj.group('release_year')
2251                 release_date = mobj.group('release_date')
2252                 if release_date:
2253                     release_date = release_date.replace('-', '')
2254                     if not release_year:
2255                         release_year = int(release_date[:4])
2256                 if release_year:
2257                     release_year = int(release_year)
2258
2259         m_episode = re.search(
2260             r'<div[^>]+id="watch7-headline"[^>]*>\s*<span[^>]*>.*?>(?P<series>[^<]+)</a></b>\s*S(?P<season>\d+)\s*•\s*E(?P<episode>\d+)</span>',
2261             video_webpage)
2262         if m_episode:
2263             series = unescapeHTML(m_episode.group('series'))
2264             season_number = int(m_episode.group('season'))
2265             episode_number = int(m_episode.group('episode'))
2266         else:
2267             series = season_number = episode_number = None
2268
2269         m_cat_container = self._search_regex(
2270             r'(?s)<h4[^>]*>\s*Category\s*</h4>\s*<ul[^>]*>(.*?)</ul>',
2271             video_webpage, 'categories', default=None)
2272         if m_cat_container:
2273             category = self._html_search_regex(
2274                 r'(?s)<a[^<]+>(.*?)</a>', m_cat_container, 'category',
2275                 default=None)
2276             video_categories = None if category is None else [category]
2277         else:
2278             video_categories = None
2279
2280         video_tags = [
2281             unescapeHTML(m.group('content'))
2282             for m in re.finditer(self._meta_regex('og:video:tag'), video_webpage)]
2283
2284         def _extract_count(count_name):
2285             return str_to_int(self._search_regex(
2286                 r'-%s-button[^>]+><span[^>]+class="yt-uix-button-content"[^>]*>([\d,]+)</span>'
2287                 % re.escape(count_name),
2288                 video_webpage, count_name, default=None))
2289
2290         like_count = _extract_count('like')
2291         dislike_count = _extract_count('dislike')
2292
2293         if view_count is None:
2294             view_count = str_to_int(self._search_regex(
2295                 r'<[^>]+class=["\']watch-view-count[^>]+>\s*([\d,\s]+)', video_webpage,
2296                 'view count', default=None))
2297
2298         average_rating = (
2299             float_or_none(video_details.get('averageRating'))
2300             or try_get(video_info, lambda x: float_or_none(x['avg_rating'][0])))
2301
2302         # subtitles
2303         video_subtitles = self.extract_subtitles(video_id, video_webpage)
2304         automatic_captions = self.extract_automatic_captions(video_id, video_webpage)
2305
2306         video_duration = try_get(
2307             video_info, lambda x: int_or_none(x['length_seconds'][0]))
2308         if not video_duration:
2309             video_duration = int_or_none(video_details.get('lengthSeconds'))
2310         if not video_duration:
2311             video_duration = parse_duration(self._html_search_meta(
2312                 'duration', video_webpage, 'video duration'))
2313
2314         # annotations
2315         video_annotations = None
2316         if self._downloader.params.get('writeannotations', False):
2317             xsrf_token = self._search_regex(
2318                 r'([\'"])XSRF_TOKEN\1\s*:\s*([\'"])(?P<xsrf_token>[A-Za-z0-9+/=]+)\2',
2319                 video_webpage, 'xsrf token', group='xsrf_token', fatal=False)
2320             invideo_url = try_get(
2321                 player_response, lambda x: x['annotations'][0]['playerAnnotationsUrlsRenderer']['invideoUrl'], compat_str)
2322             if xsrf_token and invideo_url:
2323                 xsrf_field_name = self._search_regex(
2324                     r'([\'"])XSRF_FIELD_NAME\1\s*:\s*([\'"])(?P<xsrf_field_name>\w+)\2',
2325                     video_webpage, 'xsrf field name',
2326                     group='xsrf_field_name', default='session_token')
2327                 video_annotations = self._download_webpage(
2328                     self._proto_relative_url(invideo_url),
2329                     video_id, note='Downloading annotations',
2330                     errnote='Unable to download video annotations', fatal=False,
2331                     data=urlencode_postdata({xsrf_field_name: xsrf_token}))
2332
2333         chapters = self._extract_chapters(description_original, video_duration)
2334
2335         # Look for the DASH manifest
2336         if self._downloader.params.get('youtube_include_dash_manifest', True):
2337             dash_mpd_fatal = True
2338             for mpd_url in dash_mpds:
2339                 dash_formats = {}
2340                 try:
2341                     def decrypt_sig(mobj):
2342                         s = mobj.group(1)
2343                         dec_s = self._decrypt_signature(s, video_id, player_url, age_gate)
2344                         return '/signature/%s' % dec_s
2345
2346                     mpd_url = re.sub(r'/s/([a-fA-F0-9\.]+)', decrypt_sig, mpd_url)
2347
2348                     for df in self._extract_mpd_formats(
2349                             mpd_url, video_id, fatal=dash_mpd_fatal,
2350                             formats_dict=self._formats):
2351                         if not df.get('filesize'):
2352                             df['filesize'] = _extract_filesize(df['url'])
2353                         # Do not overwrite DASH format found in some previous DASH manifest
2354                         if df['format_id'] not in dash_formats:
2355                             dash_formats[df['format_id']] = df
2356                         # Additional DASH manifests may end up in HTTP Error 403 therefore
2357                         # allow them to fail without bug report message if we already have
2358                         # some DASH manifest succeeded. This is temporary workaround to reduce
2359                         # burst of bug reports until we figure out the reason and whether it
2360                         # can be fixed at all.
2361                         dash_mpd_fatal = False
2362                 except (ExtractorError, KeyError) as e:
2363                     self.report_warning(
2364                         'Skipping DASH manifest: %r' % e, video_id)
2365                 if dash_formats:
2366                     # Remove the formats we found through non-DASH, they
2367                     # contain less info and it can be wrong, because we use
2368                     # fixed values (for example the resolution). See
2369                     # https://github.com/ytdl-org/youtube-dl/issues/5774 for an
2370                     # example.
2371                     formats = [f for f in formats if f['format_id'] not in dash_formats.keys()]
2372                     formats.extend(dash_formats.values())
2373
2374         # Check for malformed aspect ratio
2375         stretched_m = re.search(
2376             r'<meta\s+property="og:video:tag".*?content="yt:stretch=(?P<w>[0-9]+):(?P<h>[0-9]+)">',
2377             video_webpage)
2378         if stretched_m:
2379             w = float(stretched_m.group('w'))
2380             h = float(stretched_m.group('h'))
2381             # yt:stretch may hold invalid ratio data (e.g. for Q39EVAstoRM ratio is 17:0).
2382             # We will only process correct ratios.
2383             if w > 0 and h > 0:
2384                 ratio = w / h
2385                 for f in formats:
2386                     if f.get('vcodec') != 'none':
2387                         f['stretched_ratio'] = ratio
2388
2389         if not formats:
2390             token = extract_token(video_info)
2391             if not token:
2392                 if 'reason' in video_info:
2393                     if 'The uploader has not made this video available in your country.' in video_info['reason']:
2394                         regions_allowed = self._html_search_meta(
2395                             'regionsAllowed', video_webpage, default=None)
2396                         countries = regions_allowed.split(',') if regions_allowed else None
2397                         self.raise_geo_restricted(
2398                             msg=video_info['reason'][0], countries=countries)
2399                     reason = video_info['reason'][0]
2400                     if 'Invalid parameters' in reason:
2401                         unavailable_message = extract_unavailable_message()
2402                         if unavailable_message:
2403                             reason = unavailable_message
2404                     raise ExtractorError(
2405                         'YouTube said: %s' % reason,
2406                         expected=True, video_id=video_id)
2407                 else:
2408                     raise ExtractorError(
2409                         '"token" parameter not in video info for unknown reason',
2410                         video_id=video_id)
2411
2412         if not formats and (video_info.get('license_info') or try_get(player_response, lambda x: x['streamingData']['licenseInfos'])):
2413             raise ExtractorError('This video is DRM protected.', expected=True)
2414
2415         self._sort_formats(formats)
2416
2417         self.mark_watched(video_id, video_info, player_response)
2418
2419         return {
2420             'id': video_id,
2421             'uploader': video_uploader,
2422             'uploader_id': video_uploader_id,
2423             'uploader_url': video_uploader_url,
2424             'channel_id': channel_id,
2425             'channel_url': channel_url,
2426             'upload_date': upload_date,
2427             'license': video_license,
2428             'creator': video_creator or artist,
2429             'title': video_title,
2430             'alt_title': video_alt_title or track,
2431             'thumbnail': video_thumbnail,
2432             'description': video_description,
2433             'categories': video_categories,
2434             'tags': video_tags,
2435             'subtitles': video_subtitles,
2436             'automatic_captions': automatic_captions,
2437             'duration': video_duration,
2438             'age_limit': 18 if age_gate else 0,
2439             'annotations': video_annotations,
2440             'chapters': chapters,
2441             'webpage_url': proto + '://www.youtube.com/watch?v=%s' % video_id,
2442             'view_count': view_count,
2443             'like_count': like_count,
2444             'dislike_count': dislike_count,
2445             'average_rating': average_rating,
2446             'formats': formats,
2447             'is_live': is_live,
2448             'start_time': start_time,
2449             'end_time': end_time,
2450             'series': series,
2451             'season_number': season_number,
2452             'episode_number': episode_number,
2453             'track': track,
2454             'artist': artist,
2455             'album': album,
2456             'release_date': release_date,
2457             'release_year': release_year,
2458         }
2459
2460
2461 class YoutubePlaylistIE(YoutubePlaylistBaseInfoExtractor):
2462     IE_DESC = 'YouTube.com playlists'
2463     _VALID_URL = r"""(?x)(?:
2464                         (?:https?://)?
2465                         (?:\w+\.)?
2466                         (?:
2467                             (?:
2468                                 youtube\.com|
2469                                 invidio\.us
2470                             )
2471                             /
2472                             (?:
2473                                (?:course|view_play_list|my_playlists|artist|playlist|watch|embed/(?:videoseries|[0-9A-Za-z_-]{11}))
2474                                \? (?:.*?[&;])*? (?:p|a|list)=
2475                             |  p/
2476                             )|
2477                             youtu\.be/[0-9A-Za-z_-]{11}\?.*?\blist=
2478                         )
2479                         (
2480                             (?:PL|LL|EC|UU|FL|RD|UL|TL|OLAK5uy_)?[0-9A-Za-z-_]{10,}
2481                             # Top tracks, they can also include dots
2482                             |(?:MC)[\w\.]*
2483                         )
2484                         .*
2485                      |
2486                         (%(playlist_id)s)
2487                      )""" % {'playlist_id': YoutubeBaseInfoExtractor._PLAYLIST_ID_RE}
2488     _TEMPLATE_URL = 'https://www.youtube.com/playlist?list=%s'
2489     _VIDEO_RE_TPL = r'href="\s*/watch\?v=%s(?:&amp;(?:[^"]*?index=(?P<index>\d+))?(?:[^>]+>(?P<title>[^<]+))?)?'
2490     _VIDEO_RE = _VIDEO_RE_TPL % r'(?P<id>[0-9A-Za-z_-]{11})'
2491     IE_NAME = 'youtube:playlist'
2492     _TESTS = [{
2493         'url': 'https://www.youtube.com/playlist?list=PLwiyx1dc3P2JR9N8gQaQN_BCvlSlap7re',
2494         'info_dict': {
2495             'title': 'ytdl test PL',
2496             'id': 'PLwiyx1dc3P2JR9N8gQaQN_BCvlSlap7re',
2497         },
2498         'playlist_count': 3,
2499     }, {
2500         'url': 'https://www.youtube.com/playlist?list=PLtPgu7CB4gbZDA7i_euNxn75ISqxwZPYx',
2501         'info_dict': {
2502             'id': 'PLtPgu7CB4gbZDA7i_euNxn75ISqxwZPYx',
2503             'title': 'YDL_Empty_List',
2504         },
2505         'playlist_count': 0,
2506         'skip': 'This playlist is private',
2507     }, {
2508         'note': 'Playlist with deleted videos (#651). As a bonus, the video #51 is also twice in this list.',
2509         'url': 'https://www.youtube.com/playlist?list=PLwP_SiAcdui0KVebT0mU9Apz359a4ubsC',
2510         'info_dict': {
2511             'title': '29C3: Not my department',
2512             'id': 'PLwP_SiAcdui0KVebT0mU9Apz359a4ubsC',
2513             'uploader': 'Christiaan008',
2514             'uploader_id': 'ChRiStIaAn008',
2515         },
2516         'playlist_count': 95,
2517     }, {
2518         'note': 'issue #673',
2519         'url': 'PLBB231211A4F62143',
2520         'info_dict': {
2521             'title': '[OLD]Team Fortress 2 (Class-based LP)',
2522             'id': 'PLBB231211A4F62143',
2523             'uploader': 'Wickydoo',
2524             'uploader_id': 'Wickydoo',
2525         },
2526         'playlist_mincount': 26,
2527     }, {
2528         'note': 'Large playlist',
2529         'url': 'https://www.youtube.com/playlist?list=UUBABnxM4Ar9ten8Mdjj1j0Q',
2530         'info_dict': {
2531             'title': 'Uploads from Cauchemar',
2532             'id': 'UUBABnxM4Ar9ten8Mdjj1j0Q',
2533             'uploader': 'Cauchemar',
2534             'uploader_id': 'Cauchemar89',
2535         },
2536         'playlist_mincount': 799,
2537     }, {
2538         'url': 'PLtPgu7CB4gbY9oDN3drwC3cMbJggS7dKl',
2539         'info_dict': {
2540             'title': 'YDL_safe_search',
2541             'id': 'PLtPgu7CB4gbY9oDN3drwC3cMbJggS7dKl',
2542         },
2543         'playlist_count': 2,
2544         'skip': 'This playlist is private',
2545     }, {
2546         'note': 'embedded',
2547         'url': 'https://www.youtube.com/embed/videoseries?list=PL6IaIsEjSbf96XFRuNccS_RuEXwNdsoEu',
2548         'playlist_count': 4,
2549         'info_dict': {
2550             'title': 'JODA15',
2551             'id': 'PL6IaIsEjSbf96XFRuNccS_RuEXwNdsoEu',
2552             'uploader': 'milan',
2553             'uploader_id': 'UCEI1-PVPcYXjB73Hfelbmaw',
2554         }
2555     }, {
2556         'url': 'http://www.youtube.com/embed/_xDOZElKyNU?list=PLsyOSbh5bs16vubvKePAQ1x3PhKavfBIl',
2557         'playlist_mincount': 485,
2558         'info_dict': {
2559             'title': '2018 Chinese New Singles (11/6 updated)',
2560             'id': 'PLsyOSbh5bs16vubvKePAQ1x3PhKavfBIl',
2561             'uploader': 'LBK',
2562             'uploader_id': 'sdragonfang',
2563         }
2564     }, {
2565         'note': 'Embedded SWF player',
2566         'url': 'https://www.youtube.com/p/YN5VISEtHet5D4NEvfTd0zcgFk84NqFZ?hl=en_US&fs=1&rel=0',
2567         'playlist_count': 4,
2568         'info_dict': {
2569             'title': 'JODA7',
2570             'id': 'YN5VISEtHet5D4NEvfTd0zcgFk84NqFZ',
2571         },
2572         'skip': 'This playlist does not exist',
2573     }, {
2574         'note': 'Buggy playlist: the webpage has a "Load more" button but it doesn\'t have more videos',
2575         'url': 'https://www.youtube.com/playlist?list=UUXw-G3eDE9trcvY2sBMM_aA',
2576         'info_dict': {
2577             'title': 'Uploads from Interstellar Movie',
2578             'id': 'UUXw-G3eDE9trcvY2sBMM_aA',
2579             'uploader': 'Interstellar Movie',
2580             'uploader_id': 'InterstellarMovie1',
2581         },
2582         'playlist_mincount': 21,
2583     }, {
2584         # Playlist URL that does not actually serve a playlist
2585         'url': 'https://www.youtube.com/watch?v=FqZTN594JQw&list=PLMYEtVRpaqY00V9W81Cwmzp6N6vZqfUKD4',
2586         'info_dict': {
2587             'id': 'FqZTN594JQw',
2588             'ext': 'webm',
2589             'title': "Smiley's People 01 detective, Adventure Series, Action",
2590             'uploader': 'STREEM',
2591             'uploader_id': 'UCyPhqAZgwYWZfxElWVbVJng',
2592             'uploader_url': r're:https?://(?:www\.)?youtube\.com/channel/UCyPhqAZgwYWZfxElWVbVJng',
2593             'upload_date': '20150526',
2594             'license': 'Standard YouTube License',
2595             'description': 'md5:507cdcb5a49ac0da37a920ece610be80',
2596             'categories': ['People & Blogs'],
2597             'tags': list,
2598             'view_count': int,
2599             'like_count': int,
2600             'dislike_count': int,
2601         },
2602         'params': {
2603             'skip_download': True,
2604         },
2605         'skip': 'This video is not available.',
2606         'add_ie': [YoutubeIE.ie_key()],
2607     }, {
2608         'url': 'https://youtu.be/yeWKywCrFtk?list=PL2qgrgXsNUG5ig9cat4ohreBjYLAPC0J5',
2609         'info_dict': {
2610             'id': 'yeWKywCrFtk',
2611             'ext': 'mp4',
2612             'title': 'Small Scale Baler and Braiding Rugs',
2613             'uploader': 'Backus-Page House Museum',
2614             'uploader_id': 'backuspagemuseum',
2615             'uploader_url': r're:https?://(?:www\.)?youtube\.com/user/backuspagemuseum',
2616             'upload_date': '20161008',
2617             'description': 'md5:800c0c78d5eb128500bffd4f0b4f2e8a',
2618             'categories': ['Nonprofits & Activism'],
2619             'tags': list,
2620             'like_count': int,
2621             'dislike_count': int,
2622         },
2623         'params': {
2624             'noplaylist': True,
2625             'skip_download': True,
2626         },
2627     }, {
2628         # https://github.com/ytdl-org/youtube-dl/issues/21844
2629         'url': 'https://www.youtube.com/playlist?list=PLzH6n4zXuckpfMu_4Ff8E7Z1behQks5ba',
2630         'info_dict': {
2631             'title': 'Data Analysis with Dr Mike Pound',
2632             'id': 'PLzH6n4zXuckpfMu_4Ff8E7Z1behQks5ba',
2633             'uploader_id': 'Computerphile',
2634             'uploader': 'Computerphile',
2635         },
2636         'playlist_mincount': 11,
2637     }, {
2638         'url': 'https://youtu.be/uWyaPkt-VOI?list=PL9D9FC436B881BA21',
2639         'only_matching': True,
2640     }, {
2641         'url': 'TLGGrESM50VT6acwMjAyMjAxNw',
2642         'only_matching': True,
2643     }, {
2644         # music album playlist
2645         'url': 'OLAK5uy_m4xAFdmMC5rX3Ji3g93pQe3hqLZw_9LhM',
2646         'only_matching': True,
2647     }, {
2648         'url': 'https://invidio.us/playlist?list=PLDIoUOhQQPlXr63I_vwF9GD8sAKh77dWU',
2649         'only_matching': True,
2650     }]
2651
2652     def _real_initialize(self):
2653         self._login()
2654
2655     def extract_videos_from_page(self, page):
2656         ids_in_page = []
2657         titles_in_page = []
2658
2659         for item in re.findall(
2660                 r'(<[^>]*\bdata-video-id\s*=\s*["\'][0-9A-Za-z_-]{11}[^>]+>)', page):
2661             attrs = extract_attributes(item)
2662             video_id = attrs['data-video-id']
2663             video_title = unescapeHTML(attrs.get('data-title'))
2664             if video_title:
2665                 video_title = video_title.strip()
2666             ids_in_page.append(video_id)
2667             titles_in_page.append(video_title)
2668
2669         # Fallback with old _VIDEO_RE
2670         self.extract_videos_from_page_impl(
2671             self._VIDEO_RE, page, ids_in_page, titles_in_page)
2672
2673         # Relaxed fallbacks
2674         self.extract_videos_from_page_impl(
2675             r'href="\s*/watch\?v\s*=\s*(?P<id>[0-9A-Za-z_-]{11})', page,
2676             ids_in_page, titles_in_page)
2677         self.extract_videos_from_page_impl(
2678             r'data-video-ids\s*=\s*["\'](?P<id>[0-9A-Za-z_-]{11})', page,
2679             ids_in_page, titles_in_page)
2680
2681         return zip(ids_in_page, titles_in_page)
2682
2683     def _extract_mix(self, playlist_id):
2684         # The mixes are generated from a single video
2685         # the id of the playlist is just 'RD' + video_id
2686         ids = []
2687         last_id = playlist_id[-11:]
2688         for n in itertools.count(1):
2689             url = 'https://youtube.com/watch?v=%s&list=%s' % (last_id, playlist_id)
2690             webpage = self._download_webpage(
2691                 url, playlist_id, 'Downloading page {0} of Youtube mix'.format(n))
2692             new_ids = orderedSet(re.findall(
2693                 r'''(?xs)data-video-username=".*?".*?
2694                            href="/watch\?v=([0-9A-Za-z_-]{11})&amp;[^"]*?list=%s''' % re.escape(playlist_id),
2695                 webpage))
2696             # Fetch new pages until all the videos are repeated, it seems that
2697             # there are always 51 unique videos.
2698             new_ids = [_id for _id in new_ids if _id not in ids]
2699             if not new_ids:
2700                 break
2701             ids.extend(new_ids)
2702             last_id = ids[-1]
2703
2704         url_results = self._ids_to_results(ids)
2705
2706         search_title = lambda class_name: get_element_by_attribute('class', class_name, webpage)
2707         title_span = (
2708             search_title('playlist-title')
2709             or search_title('title long-title')
2710             or search_title('title'))
2711         title = clean_html(title_span)
2712
2713         return self.playlist_result(url_results, playlist_id, title)
2714
2715     def _extract_playlist(self, playlist_id):
2716         url = self._TEMPLATE_URL % playlist_id
2717         page = self._download_webpage(url, playlist_id)
2718
2719         # the yt-alert-message now has tabindex attribute (see https://github.com/ytdl-org/youtube-dl/issues/11604)
2720         for match in re.findall(r'<div class="yt-alert-message"[^>]*>([^<]+)</div>', page):
2721             match = match.strip()
2722             # Check if the playlist exists or is private
2723             mobj = re.match(r'[^<]*(?:The|This) playlist (?P<reason>does not exist|is private)[^<]*', match)
2724             if mobj:
2725                 reason = mobj.group('reason')
2726                 message = 'This playlist %s' % reason
2727                 if 'private' in reason:
2728                     message += ', use --username or --netrc to access it'
2729                 message += '.'
2730                 raise ExtractorError(message, expected=True)
2731             elif re.match(r'[^<]*Invalid parameters[^<]*', match):
2732                 raise ExtractorError(
2733                     'Invalid parameters. Maybe URL is incorrect.',
2734                     expected=True)
2735             elif re.match(r'[^<]*Choose your language[^<]*', match):
2736                 continue
2737             else:
2738                 self.report_warning('Youtube gives an alert message: ' + match)
2739
2740         playlist_title = self._html_search_regex(
2741             r'(?s)<h1 class="pl-header-title[^"]*"[^>]*>\s*(.*?)\s*</h1>',
2742             page, 'title', default=None)
2743
2744         _UPLOADER_BASE = r'class=["\']pl-header-details[^>]+>\s*<li>\s*<a[^>]+\bhref='
2745         uploader = self._html_search_regex(
2746             r'%s["\']/(?:user|channel)/[^>]+>([^<]+)' % _UPLOADER_BASE,
2747             page, 'uploader', default=None)
2748         mobj = re.search(
2749             r'%s(["\'])(?P<path>/(?:user|channel)/(?P<uploader_id>.+?))\1' % _UPLOADER_BASE,
2750             page)
2751         if mobj:
2752             uploader_id = mobj.group('uploader_id')
2753             uploader_url = compat_urlparse.urljoin(url, mobj.group('path'))
2754         else:
2755             uploader_id = uploader_url = None
2756
2757         has_videos = True
2758
2759         if not playlist_title:
2760             try:
2761                 # Some playlist URLs don't actually serve a playlist (e.g.
2762                 # https://www.youtube.com/watch?v=FqZTN594JQw&list=PLMYEtVRpaqY00V9W81Cwmzp6N6vZqfUKD4)
2763                 next(self._entries(page, playlist_id))
2764             except StopIteration:
2765                 has_videos = False
2766
2767         playlist = self.playlist_result(
2768             self._entries(page, playlist_id), playlist_id, playlist_title)
2769         playlist.update({
2770             'uploader': uploader,
2771             'uploader_id': uploader_id,
2772             'uploader_url': uploader_url,
2773         })
2774
2775         return has_videos, playlist
2776
2777     def _check_download_just_video(self, url, playlist_id):
2778         # Check if it's a video-specific URL
2779         query_dict = compat_urlparse.parse_qs(compat_urlparse.urlparse(url).query)
2780         video_id = query_dict.get('v', [None])[0] or self._search_regex(
2781             r'(?:(?:^|//)youtu\.be/|youtube\.com/embed/(?!videoseries))([0-9A-Za-z_-]{11})', url,
2782             'video id', default=None)
2783         if video_id:
2784             if self._downloader.params.get('noplaylist'):
2785                 self.to_screen('Downloading just video %s because of --no-playlist' % video_id)
2786                 return video_id, self.url_result(video_id, 'Youtube', video_id=video_id)
2787             else:
2788                 self.to_screen('Downloading playlist %s - add --no-playlist to just download video %s' % (playlist_id, video_id))
2789                 return video_id, None
2790         return None, None
2791
2792     def _real_extract(self, url):
2793         # Extract playlist id
2794         mobj = re.match(self._VALID_URL, url)
2795         if mobj is None:
2796             raise ExtractorError('Invalid URL: %s' % url)
2797         playlist_id = mobj.group(1) or mobj.group(2)
2798
2799         video_id, video = self._check_download_just_video(url, playlist_id)
2800         if video:
2801             return video
2802
2803         if playlist_id.startswith(('RD', 'UL', 'PU')):
2804             # Mixes require a custom extraction process
2805             return self._extract_mix(playlist_id)
2806
2807         has_videos, playlist = self._extract_playlist(playlist_id)
2808         if has_videos or not video_id:
2809             return playlist
2810
2811         # Some playlist URLs don't actually serve a playlist (see
2812         # https://github.com/ytdl-org/youtube-dl/issues/10537).
2813         # Fallback to plain video extraction if there is a video id
2814         # along with playlist id.
2815         return self.url_result(video_id, 'Youtube', video_id=video_id)
2816
2817
2818 class YoutubeChannelIE(YoutubePlaylistBaseInfoExtractor):
2819     IE_DESC = 'YouTube.com channels'
2820     _VALID_URL = r'https?://(?:youtu\.be|(?:\w+\.)?youtube(?:-nocookie)?\.com|(?:www\.)?invidio\.us)/channel/(?P<id>[0-9A-Za-z_-]+)'
2821     _TEMPLATE_URL = 'https://www.youtube.com/channel/%s/videos'
2822     _VIDEO_RE = r'(?:title="(?P<title>[^"]+)"[^>]+)?href="/watch\?v=(?P<id>[0-9A-Za-z_-]+)&?'
2823     IE_NAME = 'youtube:channel'
2824     _TESTS = [{
2825         'note': 'paginated channel',
2826         'url': 'https://www.youtube.com/channel/UCKfVa3S1e4PHvxWcwyMMg8w',
2827         'playlist_mincount': 91,
2828         'info_dict': {
2829             'id': 'UUKfVa3S1e4PHvxWcwyMMg8w',
2830             'title': 'Uploads from lex will',
2831             'uploader': 'lex will',
2832             'uploader_id': 'UCKfVa3S1e4PHvxWcwyMMg8w',
2833         }
2834     }, {
2835         'note': 'Age restricted channel',
2836         # from https://www.youtube.com/user/DeusExOfficial
2837         'url': 'https://www.youtube.com/channel/UCs0ifCMCm1icqRbqhUINa0w',
2838         'playlist_mincount': 64,
2839         'info_dict': {
2840             'id': 'UUs0ifCMCm1icqRbqhUINa0w',
2841             'title': 'Uploads from Deus Ex',
2842             'uploader': 'Deus Ex',
2843             'uploader_id': 'DeusExOfficial',
2844         },
2845     }, {
2846         'url': 'https://invidio.us/channel/UC23qupoDRn9YOAVzeoxjOQA',
2847         'only_matching': True,
2848     }]
2849
2850     @classmethod
2851     def suitable(cls, url):
2852         return (False if YoutubePlaylistsIE.suitable(url) or YoutubeLiveIE.suitable(url)
2853                 else super(YoutubeChannelIE, cls).suitable(url))
2854
2855     def _build_template_url(self, url, channel_id):
2856         return self._TEMPLATE_URL % channel_id
2857
2858     def _real_extract(self, url):
2859         channel_id = self._match_id(url)
2860
2861         url = self._build_template_url(url, channel_id)
2862
2863         # Channel by page listing is restricted to 35 pages of 30 items, i.e. 1050 videos total (see #5778)
2864         # Workaround by extracting as a playlist if managed to obtain channel playlist URL
2865         # otherwise fallback on channel by page extraction
2866         channel_page = self._download_webpage(
2867             url + '?view=57', channel_id,
2868             'Downloading channel page', fatal=False)
2869         if channel_page is False:
2870             channel_playlist_id = False
2871         else:
2872             channel_playlist_id = self._html_search_meta(
2873                 'channelId', channel_page, 'channel id', default=None)
2874             if not channel_playlist_id:
2875                 channel_url = self._html_search_meta(
2876                     ('al:ios:url', 'twitter:app:url:iphone', 'twitter:app:url:ipad'),
2877                     channel_page, 'channel url', default=None)
2878                 if channel_url:
2879                     channel_playlist_id = self._search_regex(
2880                         r'vnd\.youtube://user/([0-9A-Za-z_-]+)',
2881                         channel_url, 'channel id', default=None)
2882         if channel_playlist_id and channel_playlist_id.startswith('UC'):
2883             playlist_id = 'UU' + channel_playlist_id[2:]
2884             return self.url_result(
2885                 compat_urlparse.urljoin(url, '/playlist?list=%s' % playlist_id), 'YoutubePlaylist')
2886
2887         channel_page = self._download_webpage(url, channel_id, 'Downloading page #1')
2888         autogenerated = re.search(r'''(?x)
2889                 class="[^"]*?(?:
2890                     channel-header-autogenerated-label|
2891                     yt-channel-title-autogenerated
2892                 )[^"]*"''', channel_page) is not None
2893
2894         if autogenerated:
2895             # The videos are contained in a single page
2896             # the ajax pages can't be used, they are empty
2897             entries = [
2898                 self.url_result(
2899                     video_id, 'Youtube', video_id=video_id,
2900                     video_title=video_title)
2901                 for video_id, video_title in self.extract_videos_from_page(channel_page)]
2902             return self.playlist_result(entries, channel_id)
2903
2904         try:
2905             next(self._entries(channel_page, channel_id))
2906         except StopIteration:
2907             alert_message = self._html_search_regex(
2908                 r'(?s)<div[^>]+class=(["\']).*?\byt-alert-message\b.*?\1[^>]*>(?P<alert>[^<]+)</div>',
2909                 channel_page, 'alert', default=None, group='alert')
2910             if alert_message:
2911                 raise ExtractorError('Youtube said: %s' % alert_message, expected=True)
2912
2913         return self.playlist_result(self._entries(channel_page, channel_id), channel_id)
2914
2915
2916 class YoutubeUserIE(YoutubeChannelIE):
2917     IE_DESC = 'YouTube.com user videos (URL or "ytuser" keyword)'
2918     _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_-]+)'
2919     _TEMPLATE_URL = 'https://www.youtube.com/%s/%s/videos'
2920     IE_NAME = 'youtube:user'
2921
2922     _TESTS = [{
2923         'url': 'https://www.youtube.com/user/TheLinuxFoundation',
2924         'playlist_mincount': 320,
2925         'info_dict': {
2926             'id': 'UUfX55Sx5hEFjoC3cNs6mCUQ',
2927             'title': 'Uploads from The Linux Foundation',
2928             'uploader': 'The Linux Foundation',
2929             'uploader_id': 'TheLinuxFoundation',
2930         }
2931     }, {
2932         # Only available via https://www.youtube.com/c/12minuteathlete/videos
2933         # but not https://www.youtube.com/user/12minuteathlete/videos
2934         'url': 'https://www.youtube.com/c/12minuteathlete/videos',
2935         'playlist_mincount': 249,
2936         'info_dict': {
2937             'id': 'UUVjM-zV6_opMDx7WYxnjZiQ',
2938             'title': 'Uploads from 12 Minute Athlete',
2939             'uploader': '12 Minute Athlete',
2940             'uploader_id': 'the12minuteathlete',
2941         }
2942     }, {
2943         'url': 'ytuser:phihag',
2944         'only_matching': True,
2945     }, {
2946         'url': 'https://www.youtube.com/c/gametrailers',
2947         'only_matching': True,
2948     }, {
2949         'url': 'https://www.youtube.com/gametrailers',
2950         'only_matching': True,
2951     }, {
2952         # This channel is not available, geo restricted to JP
2953         'url': 'https://www.youtube.com/user/kananishinoSMEJ/videos',
2954         'only_matching': True,
2955     }]
2956
2957     @classmethod
2958     def suitable(cls, url):
2959         # Don't return True if the url can be extracted with other youtube
2960         # extractor, the regex would is too permissive and it would match.
2961         other_yt_ies = iter(klass for (name, klass) in globals().items() if name.startswith('Youtube') and name.endswith('IE') and klass is not cls)
2962         if any(ie.suitable(url) for ie in other_yt_ies):
2963             return False
2964         else:
2965             return super(YoutubeUserIE, cls).suitable(url)
2966
2967     def _build_template_url(self, url, channel_id):
2968         mobj = re.match(self._VALID_URL, url)
2969         return self._TEMPLATE_URL % (mobj.group('user') or 'user', mobj.group('id'))
2970
2971
2972 class YoutubeLiveIE(YoutubeBaseInfoExtractor):
2973     IE_DESC = 'YouTube.com live streams'
2974     _VALID_URL = r'(?P<base_url>https?://(?:\w+\.)?youtube\.com/(?:(?:user|channel|c)/)?(?P<id>[^/]+))/live'
2975     IE_NAME = 'youtube:live'
2976
2977     _TESTS = [{
2978         'url': 'https://www.youtube.com/user/TheYoungTurks/live',
2979         'info_dict': {
2980             'id': 'a48o2S1cPoo',
2981             'ext': 'mp4',
2982             'title': 'The Young Turks - Live Main Show',
2983             'uploader': 'The Young Turks',
2984             'uploader_id': 'TheYoungTurks',
2985             'uploader_url': r're:https?://(?:www\.)?youtube\.com/user/TheYoungTurks',
2986             'upload_date': '20150715',
2987             'license': 'Standard YouTube License',
2988             'description': 'md5:438179573adcdff3c97ebb1ee632b891',
2989             'categories': ['News & Politics'],
2990             'tags': ['Cenk Uygur (TV Program Creator)', 'The Young Turks (Award-Winning Work)', 'Talk Show (TV Genre)'],
2991             'like_count': int,
2992             'dislike_count': int,
2993         },
2994         'params': {
2995             'skip_download': True,
2996         },
2997     }, {
2998         'url': 'https://www.youtube.com/channel/UC1yBKRuGpC1tSM73A0ZjYjQ/live',
2999         'only_matching': True,
3000     }, {
3001         'url': 'https://www.youtube.com/c/CommanderVideoHq/live',
3002         'only_matching': True,
3003     }, {
3004         'url': 'https://www.youtube.com/TheYoungTurks/live',
3005         'only_matching': True,
3006     }]
3007
3008     def _real_extract(self, url):
3009         mobj = re.match(self._VALID_URL, url)
3010         channel_id = mobj.group('id')
3011         base_url = mobj.group('base_url')
3012         webpage = self._download_webpage(url, channel_id, fatal=False)
3013         if webpage:
3014             page_type = self._og_search_property(
3015                 'type', webpage, 'page type', default='')
3016             video_id = self._html_search_meta(
3017                 'videoId', webpage, 'video id', default=None)
3018             if page_type.startswith('video') and video_id and re.match(
3019                     r'^[0-9A-Za-z_-]{11}$', video_id):
3020                 return self.url_result(video_id, YoutubeIE.ie_key())
3021         return self.url_result(base_url)
3022
3023
3024 class YoutubePlaylistsIE(YoutubePlaylistsBaseInfoExtractor):
3025     IE_DESC = 'YouTube.com user/channel playlists'
3026     _VALID_URL = r'https?://(?:\w+\.)?youtube\.com/(?:user|channel)/(?P<id>[^/]+)/playlists'
3027     IE_NAME = 'youtube:playlists'
3028
3029     _TESTS = [{
3030         'url': 'https://www.youtube.com/user/ThirstForScience/playlists',
3031         'playlist_mincount': 4,
3032         'info_dict': {
3033             'id': 'ThirstForScience',
3034             'title': 'ThirstForScience',
3035         },
3036     }, {
3037         # with "Load more" button
3038         'url': 'https://www.youtube.com/user/igorkle1/playlists?view=1&sort=dd',
3039         'playlist_mincount': 70,
3040         'info_dict': {
3041             'id': 'igorkle1',
3042             'title': 'Игорь Клейнер',
3043         },
3044     }, {
3045         'url': 'https://www.youtube.com/channel/UCiU1dHvZObB2iP6xkJ__Icw/playlists',
3046         'playlist_mincount': 17,
3047         'info_dict': {
3048             'id': 'UCiU1dHvZObB2iP6xkJ__Icw',
3049             'title': 'Chem Player',
3050         },
3051         'skip': 'Blocked',
3052     }]
3053
3054
3055 class YoutubeSearchBaseInfoExtractor(YoutubePlaylistBaseInfoExtractor):
3056     _VIDEO_RE = r'href="\s*/watch\?v=(?P<id>[0-9A-Za-z_-]{11})(?:[^"]*"[^>]+\btitle="(?P<title>[^"]+))?'
3057
3058
3059 class YoutubeSearchIE(SearchInfoExtractor, YoutubeSearchBaseInfoExtractor):
3060     IE_DESC = 'YouTube.com searches'
3061     # there doesn't appear to be a real limit, for example if you search for
3062     # 'python' you get more than 8.000.000 results
3063     _MAX_RESULTS = float('inf')
3064     IE_NAME = 'youtube:search'
3065     _SEARCH_KEY = 'ytsearch'
3066     _EXTRA_QUERY_ARGS = {}
3067     _TESTS = []
3068
3069     def _get_n_results(self, query, n):
3070         """Get a specified number of results for a query"""
3071
3072         videos = []
3073         limit = n
3074
3075         url_query = {
3076             'search_query': query.encode('utf-8'),
3077         }
3078         url_query.update(self._EXTRA_QUERY_ARGS)
3079         result_url = 'https://www.youtube.com/results?' + compat_urllib_parse_urlencode(url_query)
3080
3081         for pagenum in itertools.count(1):
3082             data = self._download_json(
3083                 result_url, video_id='query "%s"' % query,
3084                 note='Downloading page %s' % pagenum,
3085                 errnote='Unable to download API page',
3086                 query={'spf': 'navigate'})
3087             html_content = data[1]['body']['content']
3088
3089             if 'class="search-message' in html_content:
3090                 raise ExtractorError(
3091                     '[youtube] No video results', expected=True)
3092
3093             new_videos = list(self._process_page(html_content))
3094             videos += new_videos
3095             if not new_videos or len(videos) > limit:
3096                 break
3097             next_link = self._html_search_regex(
3098                 r'href="(/results\?[^"]*\bsp=[^"]+)"[^>]*>\s*<span[^>]+class="[^"]*\byt-uix-button-content\b[^"]*"[^>]*>Next',
3099                 html_content, 'next link', default=None)
3100             if next_link is None:
3101                 break
3102             result_url = compat_urlparse.urljoin('https://www.youtube.com/', next_link)
3103
3104         if len(videos) > n:
3105             videos = videos[:n]
3106         return self.playlist_result(videos, query)
3107
3108
3109 class YoutubeSearchDateIE(YoutubeSearchIE):
3110     IE_NAME = YoutubeSearchIE.IE_NAME + ':date'
3111     _SEARCH_KEY = 'ytsearchdate'
3112     IE_DESC = 'YouTube.com searches, newest videos first'
3113     _EXTRA_QUERY_ARGS = {'search_sort': 'video_date_uploaded'}
3114
3115
3116 class YoutubeSearchURLIE(YoutubeSearchBaseInfoExtractor):
3117     IE_DESC = 'YouTube.com search URLs'
3118     IE_NAME = 'youtube:search_url'
3119     _VALID_URL = r'https?://(?:www\.)?youtube\.com/results\?(.*?&)?(?:search_query|q)=(?P<query>[^&]+)(?:[&]|$)'
3120     _TESTS = [{
3121         'url': 'https://www.youtube.com/results?baz=bar&search_query=youtube-dl+test+video&filters=video&lclk=video',
3122         'playlist_mincount': 5,
3123         'info_dict': {
3124             'title': 'youtube-dl test video',
3125         }
3126     }, {
3127         'url': 'https://www.youtube.com/results?q=test&sp=EgQIBBgB',
3128         'only_matching': True,
3129     }]
3130
3131     def _real_extract(self, url):
3132         mobj = re.match(self._VALID_URL, url)
3133         query = compat_urllib_parse_unquote_plus(mobj.group('query'))
3134         webpage = self._download_webpage(url, query)
3135         return self.playlist_result(self._process_page(webpage), playlist_title=query)
3136
3137
3138 class YoutubeShowIE(YoutubePlaylistsBaseInfoExtractor):
3139     IE_DESC = 'YouTube.com (multi-season) shows'
3140     _VALID_URL = r'https?://(?:www\.)?youtube\.com/show/(?P<id>[^?#]*)'
3141     IE_NAME = 'youtube:show'
3142     _TESTS = [{
3143         'url': 'https://www.youtube.com/show/airdisasters',
3144         'playlist_mincount': 5,
3145         'info_dict': {
3146             'id': 'airdisasters',
3147             'title': 'Air Disasters',
3148         }
3149     }]
3150
3151     def _real_extract(self, url):
3152         playlist_id = self._match_id(url)
3153         return super(YoutubeShowIE, self)._real_extract(
3154             'https://www.youtube.com/show/%s/playlists' % playlist_id)
3155
3156
3157 class YoutubeFeedsInfoExtractor(YoutubeBaseInfoExtractor):
3158     """
3159     Base class for feed extractors
3160     Subclasses must define the _FEED_NAME and _PLAYLIST_TITLE properties.
3161     """
3162     _LOGIN_REQUIRED = True
3163
3164     @property
3165     def IE_NAME(self):
3166         return 'youtube:%s' % self._FEED_NAME
3167
3168     def _real_initialize(self):
3169         self._login()
3170
3171     def _entries(self, page):
3172         # The extraction process is the same as for playlists, but the regex
3173         # for the video ids doesn't contain an index
3174         ids = []
3175         more_widget_html = content_html = page
3176         for page_num in itertools.count(1):
3177             matches = re.findall(r'href="\s*/watch\?v=([0-9A-Za-z_-]{11})', content_html)
3178
3179             # 'recommended' feed has infinite 'load more' and each new portion spins
3180             # the same videos in (sometimes) slightly different order, so we'll check
3181             # for unicity and break when portion has no new videos
3182             new_ids = list(filter(lambda video_id: video_id not in ids, orderedSet(matches)))
3183             if not new_ids:
3184                 break
3185
3186             ids.extend(new_ids)
3187
3188             for entry in self._ids_to_results(new_ids):
3189                 yield entry
3190
3191             mobj = re.search(r'data-uix-load-more-href="/?(?P<more>[^"]+)"', more_widget_html)
3192             if not mobj:
3193                 break
3194
3195             more = self._download_json(
3196                 'https://youtube.com/%s' % mobj.group('more'), self._PLAYLIST_TITLE,
3197                 'Downloading page #%s' % page_num,
3198                 transform_source=uppercase_escape)
3199             content_html = more['content_html']
3200             more_widget_html = more['load_more_widget_html']
3201
3202     def _real_extract(self, url):
3203         page = self._download_webpage(
3204             'https://www.youtube.com/feed/%s' % self._FEED_NAME,
3205             self._PLAYLIST_TITLE)
3206         return self.playlist_result(
3207             self._entries(page), playlist_title=self._PLAYLIST_TITLE)
3208
3209
3210 class YoutubeWatchLaterIE(YoutubePlaylistIE):
3211     IE_NAME = 'youtube:watchlater'
3212     IE_DESC = 'Youtube watch later list, ":ytwatchlater" for short (requires authentication)'
3213     _VALID_URL = r'https?://(?:www\.)?youtube\.com/(?:feed/watch_later|(?:playlist|watch)\?(?:.+&)?list=WL)|:ytwatchlater'
3214
3215     _TESTS = [{
3216         'url': 'https://www.youtube.com/playlist?list=WL',
3217         'only_matching': True,
3218     }, {
3219         'url': 'https://www.youtube.com/watch?v=bCNU9TrbiRk&index=1&list=WL',
3220         'only_matching': True,
3221     }]
3222
3223     def _real_extract(self, url):
3224         _, video = self._check_download_just_video(url, 'WL')
3225         if video:
3226             return video
3227         _, playlist = self._extract_playlist('WL')
3228         return playlist
3229
3230
3231 class YoutubeFavouritesIE(YoutubeBaseInfoExtractor):
3232     IE_NAME = 'youtube:favorites'
3233     IE_DESC = 'YouTube.com favourite videos, ":ytfav" for short (requires authentication)'
3234     _VALID_URL = r'https?://(?:www\.)?youtube\.com/my_favorites|:ytfav(?:ou?rites)?'
3235     _LOGIN_REQUIRED = True
3236
3237     def _real_extract(self, url):
3238         webpage = self._download_webpage('https://www.youtube.com/my_favorites', 'Youtube Favourites videos')
3239         playlist_id = self._search_regex(r'list=(.+?)["&]', webpage, 'favourites playlist id')
3240         return self.url_result(playlist_id, 'YoutubePlaylist')
3241
3242
3243 class YoutubeRecommendedIE(YoutubeFeedsInfoExtractor):
3244     IE_DESC = 'YouTube.com recommended videos, ":ytrec" for short (requires authentication)'
3245     _VALID_URL = r'https?://(?:www\.)?youtube\.com/feed/recommended|:ytrec(?:ommended)?'
3246     _FEED_NAME = 'recommended'
3247     _PLAYLIST_TITLE = 'Youtube Recommended videos'
3248
3249
3250 class YoutubeSubscriptionsIE(YoutubeFeedsInfoExtractor):
3251     IE_DESC = 'YouTube.com subscriptions feed, "ytsubs" keyword (requires authentication)'
3252     _VALID_URL = r'https?://(?:www\.)?youtube\.com/feed/subscriptions|:ytsubs(?:criptions)?'
3253     _FEED_NAME = 'subscriptions'
3254     _PLAYLIST_TITLE = 'Youtube Subscriptions'
3255
3256
3257 class YoutubeHistoryIE(YoutubeFeedsInfoExtractor):
3258     IE_DESC = 'Youtube watch history, ":ythistory" for short (requires authentication)'
3259     _VALID_URL = r'https?://(?:www\.)?youtube\.com/feed/history|:ythistory'
3260     _FEED_NAME = 'history'
3261     _PLAYLIST_TITLE = 'Youtube History'
3262
3263
3264 class YoutubeTruncatedURLIE(InfoExtractor):
3265     IE_NAME = 'youtube:truncated_url'
3266     IE_DESC = False  # Do not list
3267     _VALID_URL = r'''(?x)
3268         (?:https?://)?
3269         (?:\w+\.)?[yY][oO][uU][tT][uU][bB][eE](?:-nocookie)?\.com/
3270         (?:watch\?(?:
3271             feature=[a-z_]+|
3272             annotation_id=annotation_[^&]+|
3273             x-yt-cl=[0-9]+|
3274             hl=[^&]*|
3275             t=[0-9]+
3276         )?
3277         |
3278             attribution_link\?a=[^&]+
3279         )
3280         $
3281     '''
3282
3283     _TESTS = [{
3284         'url': 'https://www.youtube.com/watch?annotation_id=annotation_3951667041',
3285         'only_matching': True,
3286     }, {
3287         'url': 'https://www.youtube.com/watch?',
3288         'only_matching': True,
3289     }, {
3290         'url': 'https://www.youtube.com/watch?x-yt-cl=84503534',
3291         'only_matching': True,
3292     }, {
3293         'url': 'https://www.youtube.com/watch?feature=foo',
3294         'only_matching': True,
3295     }, {
3296         'url': 'https://www.youtube.com/watch?hl=en-GB',
3297         'only_matching': True,
3298     }, {
3299         'url': 'https://www.youtube.com/watch?t=2372',
3300         'only_matching': True,
3301     }]
3302
3303     def _real_extract(self, url):
3304         raise ExtractorError(
3305             'Did you forget to quote the URL? Remember that & is a meta '
3306             'character in most shells, so you want to put the URL in quotes, '
3307             'like  youtube-dl '
3308             '"https://www.youtube.com/watch?feature=foo&v=BaW_jenozKc" '
3309             ' or simply  youtube-dl BaW_jenozKc  .',
3310             expected=True)
3311
3312
3313 class YoutubeTruncatedIDIE(InfoExtractor):
3314     IE_NAME = 'youtube:truncated_id'
3315     IE_DESC = False  # Do not list
3316     _VALID_URL = r'https?://(?:www\.)?youtube\.com/watch\?v=(?P<id>[0-9A-Za-z_-]{1,10})$'
3317
3318     _TESTS = [{
3319         'url': 'https://www.youtube.com/watch?v=N_708QY7Ob',
3320         'only_matching': True,
3321     }]
3322
3323     def _real_extract(self, url):
3324         video_id = self._match_id(url)
3325         raise ExtractorError(
3326             'Incomplete YouTube ID %s. URL %s looks truncated.' % (video_id, url),
3327             expected=True)