Merge remote-tracking branch 'upstream/master' into bliptv

1 files changed, 206 insertions, 113 deletions

diff --git a/youtube_dl/extractor/youtube.py b/youtube_dl/extractor/youtube.py
index b252e36e1..9b39505ba 100644
--- a/youtube_dl/extractor/youtube.py
+++ b/youtube_dl/extractor/youtube.py
@@ -20,7 +20,6 @@ from ..compat import (
     compat_urllib_parse_unquote,
     compat_urllib_parse_unquote_plus,
     compat_urllib_parse_urlparse,
-    compat_urllib_request,
     compat_urlparse,
     compat_str,
 )
@@ -35,6 +34,7 @@ from ..utils import (
     orderedSet,
     parse_duration,
     remove_start,
+    sanitized_Request,
     smuggle_url,
     str_to_int,
     unescapeHTML,
@@ -114,7 +114,7 @@ class YoutubeBaseInfoExtractor(InfoExtractor):
 
         login_data = compat_urllib_parse.urlencode(encode_dict(login_form_strs)).encode('ascii')
 
-        req = compat_urllib_request.Request(self._LOGIN_URL, login_data)
+        req = sanitized_Request(self._LOGIN_URL, login_data)
         login_results = self._download_webpage(
             req, None,
             note='Logging in', errnote='unable to log in', fatal=False)
@@ -147,7 +147,7 @@ class YoutubeBaseInfoExtractor(InfoExtractor):
 
             tfa_data = compat_urllib_parse.urlencode(encode_dict(tfa_form_strs)).encode('ascii')
 
-            tfa_req = compat_urllib_request.Request(self._TWOFACTOR_URL, tfa_data)
+            tfa_req = sanitized_Request(self._TWOFACTOR_URL, tfa_data)
             tfa_results = self._download_webpage(
                 tfa_req, None,
                 note='Submitting TFA code', errnote='unable to submit tfa', fatal=False)
@@ -178,6 +178,69 @@ class YoutubeBaseInfoExtractor(InfoExtractor):
             return
 
 
+class YoutubeEntryListBaseInfoExtractor(InfoExtractor):
+    # Extract entries from page with "Load more" button
+    def _entries(self, page, playlist_id):
+        more_widget_html = content_html = page
+        for page_num in itertools.count(1):
+            for entry in self._process_page(content_html):
+                yield entry
+
+            mobj = re.search(r'data-uix-load-more-href="/?(?P<more>[^"]+)"', more_widget_html)
+            if not mobj:
+                break
+
+            more = self._download_json(
+                'https://youtube.com/%s' % mobj.group('more'), playlist_id,
+                'Downloading page #%s' % page_num,
+                transform_source=uppercase_escape)
+            content_html = more['content_html']
+            if not content_html.strip():
+                # Some webpages show a "Load more" button but they don't
+                # have more videos
+                break
+            more_widget_html = more['load_more_widget_html']
+
+
+class YoutubePlaylistBaseInfoExtractor(YoutubeEntryListBaseInfoExtractor):
+    def _process_page(self, content):
+        for video_id, video_title in self.extract_videos_from_page(content):
+            yield self.url_result(video_id, 'Youtube', video_id, video_title)
+
+    def extract_videos_from_page(self, page):
+        ids_in_page = []
+        titles_in_page = []
+        for mobj in re.finditer(self._VIDEO_RE, page):
+            # The link with index 0 is not the first video of the playlist (not sure if still actual)
+            if 'index' in mobj.groupdict() and mobj.group('id') == '0':
+                continue
+            video_id = mobj.group('id')
+            video_title = unescapeHTML(mobj.group('title'))
+            if video_title:
+                video_title = video_title.strip()
+            try:
+                idx = ids_in_page.index(video_id)
+                if video_title and not titles_in_page[idx]:
+                    titles_in_page[idx] = video_title
+            except ValueError:
+                ids_in_page.append(video_id)
+                titles_in_page.append(video_title)
+        return zip(ids_in_page, titles_in_page)
+
+
+class YoutubePlaylistsBaseInfoExtractor(YoutubeEntryListBaseInfoExtractor):
+    def _process_page(self, content):
+        for playlist_id in re.findall(r'href="/?playlist\?list=(.+?)"', content):
+            yield self.url_result(
+                'https://www.youtube.com/playlist?list=%s' % playlist_id, 'YoutubePlaylist')
+
+    def _real_extract(self, url):
+        playlist_id = self._match_id(url)
+        webpage = self._download_webpage(url, playlist_id)
+        title = self._og_search_title(webpage, fatal=False)
+        return self.playlist_result(self._entries(webpage, playlist_id), playlist_id, title)
+
+
 class YoutubeIE(YoutubeBaseInfoExtractor):
     IE_DESC = 'YouTube.com'
     _VALID_URL = r"""(?x)^
@@ -195,7 +258,7 @@ class YoutubeIE(YoutubeBaseInfoExtractor):
                              |(?:                                             # or the v= param in all its forms
                                  (?:(?:watch|movie)(?:_popup)?(?:\.php)?/?)?  # preceding watch(_popup|.php) or nothing (like /?v=xxxx)
                                  (?:\?|\#!?)                                  # the params delimiter ? or # or #!
-                                 (?:.*?&)??                                   # any other preceding param (like /?s=tuff&v=xxxx)
+                                 (?:.*?[&;])??                                # any other preceding param (like /?s=tuff&v=xxxx or ?s=tuff&amp;v=V36LpHqtcDY)
                                  v=
                              )
                          ))
@@ -283,6 +346,7 @@ class YoutubeIE(YoutubeBaseInfoExtractor):
         '247': {'ext': 'webm', 'height': 720, 'format_note': 'DASH video', 'acodec': 'none', 'preference': -40},
         '248': {'ext': 'webm', 'height': 1080, 'format_note': 'DASH video', 'acodec': 'none', 'preference': -40},
         '271': {'ext': 'webm', 'height': 1440, 'format_note': 'DASH video', 'acodec': 'none', 'preference': -40},
+        # itag 272 videos are either 3840x2160 (e.g. RtoitU2A-3E) or 7680x4320 (sLprVF6d7Ug)
         '272': {'ext': 'webm', 'height': 2160, 'format_note': 'DASH video', 'acodec': 'none', 'preference': -40},
         '302': {'ext': 'webm', 'height': 720, 'format_note': 'DASH video', 'acodec': 'none', 'preference': -40, 'fps': 60, 'vcodec': 'vp9'},
         '303': {'ext': 'webm', 'height': 1080, 'format_note': 'DASH video', 'acodec': 'none', 'preference': -40, 'fps': 60, 'vcodec': 'vp9'},
@@ -363,7 +427,8 @@ class YoutubeIE(YoutubeBaseInfoExtractor):
                 'title': 'Principal Sexually Assaults A Teacher - Episode 117 - 8th June 2012',
                 'description': 'md5:09b78bd971f1e3e289601dfba15ca4f7',
                 'uploader': 'SET India',
-                'uploader_id': 'setindia'
+                'uploader_id': 'setindia',
+                'age_limit': 18,
             }
         },
         {
@@ -500,7 +565,7 @@ class YoutubeIE(YoutubeBaseInfoExtractor):
             'info_dict': {
                 'id': 'lqQg6PlCWgI',
                 'ext': 'mp4',
-                'upload_date': '20120724',
+                'upload_date': '20150827',
                 'uploader_id': 'olympic',
                 'description': 'HO09  - Women -  GER-AUS - Hockey - 31 July 2012 - London 2012 Olympic Games',
                 'uploader': 'Olympics',
@@ -628,6 +693,47 @@ class YoutubeIE(YoutubeBaseInfoExtractor):
         {
             'url': 'http://vid.plus/FlRa-iH7PGw',
             'only_matching': True,
+        },
+        {
+            # Title with JS-like syntax "};" (see https://github.com/rg3/youtube-dl/issues/7468)
+            'url': 'https://www.youtube.com/watch?v=lsguqyKfVQg',
+            'info_dict': {
+                'id': 'lsguqyKfVQg',
+                'ext': 'mp4',
+                'title': '{dark walk}; Loki/AC/Dishonored; collab w/Elflover21',
+                'description': 'md5:8085699c11dc3f597ce0410b0dcbb34a',
+                'upload_date': '20151119',
+                'uploader_id': 'IronSoulElf',
+                'uploader': 'IronSoulElf',
+            },
+            'params': {
+                'skip_download': True,
+            },
+        },
+        {
+            # Tags with '};' (see https://github.com/rg3/youtube-dl/issues/7468)
+            'url': 'https://www.youtube.com/watch?v=Ms7iBXnlUO8',
+            'only_matching': True,
+        },
+        {
+            # Video with yt:stretch=17:0
+            'url': 'https://www.youtube.com/watch?v=Q39EVAstoRM',
+            'info_dict': {
+                'id': 'Q39EVAstoRM',
+                'ext': 'mp4',
+                'title': 'Clash Of Clans#14 Dicas De Ataque Para CV 4',
+                'description': 'md5:ee18a25c350637c8faff806845bddee9',
+                'upload_date': '20151107',
+                'uploader_id': 'UCCr7TALkRbo3EtFzETQF1LA',
+                'uploader': 'CH GAMER DROID',
+            },
+            'params': {
+                'skip_download': True,
+            },
+        },
+        {
+            'url': 'https://www.youtube.com/watch?feature=player_embedded&amp;amp;v=V36LpHqtcDY',
+            'only_matching': True,
         }
     ]
 
@@ -657,7 +763,7 @@ class YoutubeIE(YoutubeBaseInfoExtractor):
 
     def _extract_signature_function(self, video_id, player_url, example_sig):
         id_m = re.match(
-            r'.*?-(?P<id>[a-zA-Z0-9_-]+)(?:/watch_as3|/html5player(?:-new)?)?\.(?P<ext>[a-z]+)$',
+            r'.*?-(?P<id>[a-zA-Z0-9_-]+)(?:/watch_as3|/html5player(?:-new)?|/base)?\.(?P<ext>[a-z]+)$',
             player_url)
         if not id_m:
             raise ExtractorError('Cannot identify player %r' % player_url)
@@ -812,16 +918,33 @@ class YoutubeIE(YoutubeBaseInfoExtractor):
             return {}
         return sub_lang_list
 
+    def _get_ytplayer_config(self, video_id, webpage):
+        patterns = (
+            # User data may contain arbitrary character sequences that may affect
+            # JSON extraction with regex, e.g. when '};' is contained the second
+            # regex won't capture the whole JSON. Yet working around by trying more
+            # concrete regex first keeping in mind proper quoted string handling
+            # to be implemented in future that will replace this workaround (see
+            # https://github.com/rg3/youtube-dl/issues/7468,
+            # https://github.com/rg3/youtube-dl/pull/7599)
+            r';ytplayer\.config\s*=\s*({.+?});ytplayer',
+            r';ytplayer\.config\s*=\s*({.+?});',
+        )
+        config = self._search_regex(
+            patterns, webpage, 'ytplayer.config', default=None)
+        if config:
+            return self._parse_json(
+                uppercase_escape(config), video_id, fatal=False)
+
     def _get_automatic_captions(self, video_id, webpage):
         """We need the webpage for getting the captions url, pass it as an
            argument to speed up the process."""
         self.to_screen('%s: Looking for automatic captions' % video_id)
-        mobj = re.search(r';ytplayer.config = ({.*?});', webpage)
+        player_config = self._get_ytplayer_config(video_id, webpage)
         err_msg = 'Couldn\'t find automatic captions for %s' % video_id
-        if mobj is None:
+        if not player_config:
             self._downloader.report_warning(err_msg)
             return {}
-        player_config = json.loads(mobj.group(1))
         try:
             args = player_config['args']
             caption_url = args['ttsurl']
@@ -1028,10 +1151,8 @@ class YoutubeIE(YoutubeBaseInfoExtractor):
             age_gate = False
             video_info = None
             # Try looking directly into the video webpage
-            mobj = re.search(r';ytplayer\.config\s*=\s*({.*?});', video_webpage)
-            if mobj:
-                json_code = uppercase_escape(mobj.group(1))
-                ytplayer_config = json.loads(json_code)
+            ytplayer_config = self._get_ytplayer_config(video_id, video_webpage)
+            if ytplayer_config:
                 args = ytplayer_config['args']
                 if args.get('url_encoded_fmt_stream_map'):
                     # Convert to the same format returned by compat_parse_qs
@@ -1061,6 +1182,17 @@ class YoutubeIE(YoutubeBaseInfoExtractor):
                     if not video_info:
                         video_info = get_video_info
                     if 'token' in get_video_info:
+                        # Different get_video_info requests may report different results, e.g.
+                        # some may report video unavailability, but some may serve it without
+                        # any complaint (see https://github.com/rg3/youtube-dl/issues/7362,
+                        # the original webpage as well as el=info and el=embedded get_video_info
+                        # requests report video unavailability due to geo restriction while
+                        # el=detailpage succeeds and returns valid data). This is probably
+                        # due to YouTube measures against IP ranges of hosting providers.
+                        # Working around by preferring the first succeeded video_info containing
+                        # the token if no such video_info yet was found.
+                        if 'token' not in video_info:
+                            video_info = get_video_info
                         break
         if 'token' not in video_info:
             if 'reason' in video_info:
@@ -1286,7 +1418,7 @@ class YoutubeIE(YoutubeBaseInfoExtractor):
                                 player_desc = 'flash player %s' % player_version
                             else:
                                 player_version = self._search_regex(
-                                    r'html5player-([^/]+?)(?:/html5player(?:-new)?)?\.js',
+                                    [r'html5player-([^/]+?)(?:/html5player(?:-new)?)?\.js', r'(?:www|player)-([^/]+)/base\.js'],
                                     player_url,
                                     'html5 player', fatal=False)
                                 player_desc = 'html5 player %s' % player_version
@@ -1348,6 +1480,9 @@ class YoutubeIE(YoutubeBaseInfoExtractor):
             manifest_url = video_info['hlsvp'][0]
             url_map = self._extract_from_m3u8(manifest_url, video_id)
             formats = _map_to_format_list(url_map)
+            # Accept-Encoding header causes failures in live streams on Youtube and Youtube Gaming
+            for a_format in formats:
+                a_format.setdefault('http_headers', {})['Youtubedl-no-compression'] = 'True'
         else:
             raise ExtractorError('no conn, hlsvp or url_encoded_fmt_stream_map information found in video info')
 
@@ -1385,10 +1520,15 @@ class YoutubeIE(YoutubeBaseInfoExtractor):
             r'<meta\s+property="og:video:tag".*?content="yt:stretch=(?P<w>[0-9]+):(?P<h>[0-9]+)">',
             video_webpage)
         if stretched_m:
-            ratio = float(stretched_m.group('w')) / float(stretched_m.group('h'))
-            for f in formats:
-                if f.get('vcodec') != 'none':
-                    f['stretched_ratio'] = ratio
+            w = float(stretched_m.group('w'))
+            h = float(stretched_m.group('h'))
+            # yt:stretch may hold invalid ratio data (e.g. for Q39EVAstoRM ratio is 17:0).
+            # We will only process correct ratios.
+            if w > 0 and h > 0:
+                ratio = w / h
+                for f in formats:
+                    if f.get('vcodec') != 'none':
+                        f['stretched_ratio'] = ratio
 
         self._sort_formats(formats)
 
@@ -1419,7 +1559,7 @@ class YoutubeIE(YoutubeBaseInfoExtractor):
         }
 
 
-class YoutubePlaylistIE(YoutubeBaseInfoExtractor):
+class YoutubePlaylistIE(YoutubeBaseInfoExtractor, YoutubePlaylistBaseInfoExtractor):
     IE_DESC = 'YouTube.com playlists'
     _VALID_URL = r"""(?x)(?:
                         (?:https?://)?
@@ -1427,7 +1567,7 @@ class YoutubePlaylistIE(YoutubeBaseInfoExtractor):
                         youtube\.com/
                         (?:
                            (?:course|view_play_list|my_playlists|artist|playlist|watch|embed/videoseries)
-                           \? (?:.*?&)*? (?:p|a|list)=
+                           \? (?:.*?[&;])*? (?:p|a|list)=
                         |  p/
                         )
                         (
@@ -1440,7 +1580,7 @@ class YoutubePlaylistIE(YoutubeBaseInfoExtractor):
                         ((?:PL|LL|EC|UU|FL|RD|UL)[0-9A-Za-z-_]{10,})
                      )"""
     _TEMPLATE_URL = 'https://www.youtube.com/playlist?list=%s'
-    _VIDEO_RE = r'href="\s*/watch\?v=(?P<id>[0-9A-Za-z_-]{11})&amp;[^"]*?index=(?P<index>\d+)'
+    _VIDEO_RE = r'href="\s*/watch\?v=(?P<id>[0-9A-Za-z_-]{11})&amp;[^"]*?index=(?P<index>\d+)(?:[^>]+>(?P<title>[^<]+))?'
     IE_NAME = 'youtube:playlist'
     _TESTS = [{
         'url': 'https://www.youtube.com/playlist?list=PLwiyx1dc3P2JR9N8gQaQN_BCvlSlap7re',
@@ -1557,37 +1697,11 @@ class YoutubePlaylistIE(YoutubeBaseInfoExtractor):
             else:
                 self.report_warning('Youtube gives an alert message: ' + match)
 
-        # Extract the video ids from the playlist pages
-        def _entries():
-            more_widget_html = content_html = page
-            for page_num in itertools.count(1):
-                matches = re.finditer(self._VIDEO_RE, content_html)
-                # We remove the duplicates and the link with index 0
-                # (it's not the first video of the playlist)
-                new_ids = orderedSet(m.group('id') for m in matches if m.group('index') != '0')
-                for vid_id in new_ids:
-                    yield self.url_result(vid_id, 'Youtube', video_id=vid_id)
-
-                mobj = re.search(r'data-uix-load-more-href="/?(?P<more>[^"]+)"', more_widget_html)
-                if not mobj:
-                    break
-
-                more = self._download_json(
-                    'https://youtube.com/%s' % mobj.group('more'), playlist_id,
-                    'Downloading page #%s' % page_num,
-                    transform_source=uppercase_escape)
-                content_html = more['content_html']
-                if not content_html.strip():
-                    # Some webpages show a "Load more" button but they don't
-                    # have more videos
-                    break
-                more_widget_html = more['load_more_widget_html']
-
         playlist_title = self._html_search_regex(
-            r'(?s)<h1 class="pl-header-title[^"]*">\s*(.*?)\s*</h1>',
+            r'(?s)<h1 class="pl-header-title[^"]*"[^>]*>\s*(.*?)\s*</h1>',
             page, 'title')
 
-        return self.playlist_result(_entries(), playlist_id, playlist_title)
+        return self.playlist_result(self._entries(page, playlist_id), playlist_id, playlist_title)
 
     def _real_extract(self, url):
         # Extract playlist id
@@ -1613,36 +1727,31 @@ class YoutubePlaylistIE(YoutubeBaseInfoExtractor):
         return self._extract_playlist(playlist_id)
 
 
-class YoutubeChannelIE(InfoExtractor):
+class YoutubeChannelIE(YoutubePlaylistBaseInfoExtractor):
     IE_DESC = 'YouTube.com channels'
     _VALID_URL = r'https?://(?:youtu\.be|(?:\w+\.)?youtube(?:-nocookie)?\.com)/channel/(?P<id>[0-9A-Za-z_-]+)'
     _TEMPLATE_URL = 'https://www.youtube.com/channel/%s/videos'
+    _VIDEO_RE = r'(?:title="(?P<title>[^"]+)"[^>]+)?href="/watch\?v=(?P<id>[0-9A-Za-z_-]+)&?'
     IE_NAME = 'youtube:channel'
     _TESTS = [{
         'note': 'paginated channel',
         'url': 'https://www.youtube.com/channel/UCKfVa3S1e4PHvxWcwyMMg8w',
         'playlist_mincount': 91,
         'info_dict': {
-            'id': 'UCKfVa3S1e4PHvxWcwyMMg8w',
+            'id': 'UUKfVa3S1e4PHvxWcwyMMg8w',
+            'title': 'Uploads from lex will',
         }
+    }, {
+        'note': 'Age restricted channel',
+        # from https://www.youtube.com/user/DeusExOfficial
+        'url': 'https://www.youtube.com/channel/UCs0ifCMCm1icqRbqhUINa0w',
+        'playlist_mincount': 64,
+        'info_dict': {
+            'id': 'UUs0ifCMCm1icqRbqhUINa0w',
+            'title': 'Uploads from Deus Ex',
+        },
     }]
 
-    @staticmethod
-    def extract_videos_from_page(page):
-        ids_in_page = []
-        titles_in_page = []
-        for mobj in re.finditer(r'(?:title="(?P<title>[^"]+)"[^>]+)?href="/watch\?v=(?P<id>[0-9A-Za-z_-]+)&?', page):
-            video_id = mobj.group('id')
-            video_title = unescapeHTML(mobj.group('title'))
-            try:
-                idx = ids_in_page.index(video_id)
-                if video_title and not titles_in_page[idx]:
-                    titles_in_page[idx] = video_title
-            except ValueError:
-                ids_in_page.append(video_id)
-                titles_in_page.append(video_title)
-        return zip(ids_in_page, titles_in_page)
-
     def _real_extract(self, url):
         channel_id = self._match_id(url)
 
@@ -1661,7 +1770,7 @@ class YoutubeChannelIE(InfoExtractor):
                 'channelId', channel_page, 'channel id', default=None)
             if not channel_playlist_id:
                 channel_playlist_id = self._search_regex(
-                    r'data-channel-external-id="([^"]+)"',
+                    r'data-(?:channel-external-|yt)id="([^"]+)"',
                     channel_page, 'channel id', default=None)
         if channel_playlist_id and channel_playlist_id.startswith('UC'):
             playlist_id = 'UU' + channel_playlist_id[2:]
@@ -1685,29 +1794,7 @@ class YoutubeChannelIE(InfoExtractor):
                 for video_id, video_title in self.extract_videos_from_page(channel_page)]
             return self.playlist_result(entries, channel_id)
 
-        def _entries():
-            more_widget_html = content_html = channel_page
-            for pagenum in itertools.count(1):
-
-                for video_id, video_title in self.extract_videos_from_page(content_html):
-                    yield self.url_result(
-                        video_id, 'Youtube', video_id=video_id,
-                        video_title=video_title)
-
-                mobj = re.search(
-                    r'data-uix-load-more-href="/?(?P<more>[^"]+)"',
-                    more_widget_html)
-                if not mobj:
-                    break
-
-                more = self._download_json(
-                    'https://youtube.com/%s' % mobj.group('more'), channel_id,
-                    'Downloading page #%s' % (pagenum + 1),
-                    transform_source=uppercase_escape)
-                content_html = more['content_html']
-                more_widget_html = more['load_more_widget_html']
-
-        return self.playlist_result(_entries(), channel_id)
+        return self.playlist_result(self._entries(channel_page, channel_id), channel_id)
 
 
 class YoutubeUserIE(YoutubeChannelIE):
@@ -1738,6 +1825,29 @@ class YoutubeUserIE(YoutubeChannelIE):
             return super(YoutubeUserIE, cls).suitable(url)
 
 
+class YoutubeUserPlaylistsIE(YoutubePlaylistsBaseInfoExtractor):
+    IE_DESC = 'YouTube.com user playlists'
+    _VALID_URL = r'https?://(?:\w+\.)?youtube\.com/user/(?P<id>[^/]+)/playlists'
+    IE_NAME = 'youtube:user:playlists'
+
+    _TESTS = [{
+        'url': 'http://www.youtube.com/user/ThirstForScience/playlists',
+        'playlist_mincount': 4,
+        'info_dict': {
+            'id': 'ThirstForScience',
+            'title': 'Thirst for Science',
+        },
+    }, {
+        # with "Load more" button
+        'url': 'http://www.youtube.com/user/igorkle1/playlists?view=1&sort=dd',
+        'playlist_mincount': 70,
+        'info_dict': {
+            'id': 'igorkle1',
+            'title': 'Игорь Клейнер',
+        },
+    }]
+
+
 class YoutubeSearchIE(SearchInfoExtractor, YoutubePlaylistIE):
     IE_DESC = 'YouTube.com searches'
     # there doesn't appear to be a real limit, for example if you search for
@@ -1833,7 +1943,7 @@ class YoutubeSearchURLIE(InfoExtractor):
         }
 
 
-class YoutubeShowIE(InfoExtractor):
+class YoutubeShowIE(YoutubePlaylistsBaseInfoExtractor):
     IE_DESC = 'YouTube.com (multi-season) shows'
     _VALID_URL = r'https?://www\.youtube\.com/show/(?P<id>[^?#]*)'
     IE_NAME = 'youtube:show'
@@ -1847,26 +1957,9 @@ class YoutubeShowIE(InfoExtractor):
     }]
 
     def _real_extract(self, url):
-        mobj = re.match(self._VALID_URL, url)
-        playlist_id = mobj.group('id')
-        webpage = self._download_webpage(
-            'https://www.youtube.com/show/%s/playlists' % playlist_id, playlist_id, 'Downloading show webpage')
-        # There's one playlist for each season of the show
-        m_seasons = list(re.finditer(r'href="(/playlist\?list=.*?)"', webpage))
-        self.to_screen('%s: Found %s seasons' % (playlist_id, len(m_seasons)))
-        entries = [
-            self.url_result(
-                'https://www.youtube.com' + season.group(1), 'YoutubePlaylist')
-            for season in m_seasons
-        ]
-        title = self._og_search_title(webpage, fatal=False)
-
-        return {
-            '_type': 'playlist',
-            'id': playlist_id,
-            'title': title,
-            'entries': entries,
-        }
+        playlist_id = self._match_id(url)
+        return super(YoutubeShowIE, self)._real_extract(
+            'https://www.youtube.com/show/%s/playlists' % playlist_id)
 
 
 class YoutubeFeedsInfoExtractor(YoutubeBaseInfoExtractor):