yt_dlp/extractor/ard.py

   1 # coding: utf-8
   2 from __future__ import unicode_literals
   3
   4 import json
   5 import re
   6
   7 from .common import InfoExtractor
   8 from .generic import GenericIE
   9 from ..utils import (
  10     determine_ext,
  11     ExtractorError,
  12     int_or_none,
  13     parse_duration,
  14     qualities,
  15     str_or_none,
  16     try_get,
  17     unified_strdate,
  18     unified_timestamp,
  19     update_url_query,
  20     url_or_none,
  21     xpath_text,
  22 )
  23 from ..compat import compat_etree_fromstring
  24
  25
  26 class ARDMediathekBaseIE(InfoExtractor):
  27     _GEO_COUNTRIES = ['DE']
  28
  29     def _extract_media_info(self, media_info_url, webpage, video_id):
  30         media_info = self._download_json(
  31             media_info_url, video_id, 'Downloading media JSON')
  32         return self._parse_media_info(media_info, video_id, '"fsk"' in webpage)
  33
  34     def _parse_media_info(self, media_info, video_id, fsk):
  35         formats = self._extract_formats(media_info, video_id)
  36
  37         if not formats:
  38             if fsk:
  39                 self.raise_no_formats(
  40                     'This video is only available after 20:00', expected=True)
  41             elif media_info.get('_geoblocked'):
  42                 self.raise_geo_restricted(
  43                     'This video is not available due to geoblocking',
  44                     countries=self._GEO_COUNTRIES, metadata_available=True)
  45
  46         self._sort_formats(formats)
  47
  48         subtitles = {}
  49         subtitle_url = media_info.get('_subtitleUrl')
  50         if subtitle_url:
  51             subtitles['de'] = [{
  52                 'ext': 'ttml',
  53                 'url': subtitle_url,
  54             }]
  55
  56         return {
  57             'id': video_id,
  58             'duration': int_or_none(media_info.get('_duration')),
  59             'thumbnail': media_info.get('_previewImage'),
  60             'is_live': media_info.get('_isLive') is True,
  61             'formats': formats,
  62             'subtitles': subtitles,
  63         }
  64
  65     def _ARD_extract_episode_info(self, title):
  66         """Try to extract season/episode data from the title."""
  67         res = {}
  68         if not title:
  69             return res
  70
  71         for pattern in [
  72             # Pattern for title like "Homo sapiens (S06/E07) - Originalversion"
  73             # from: https://www.ardmediathek.de/one/sendung/doctor-who/Y3JpZDovL3dkci5kZS9vbmUvZG9jdG9yIHdobw
  74             r'.*(?P<ep_info> \(S(?P<season_number>\d+)/E(?P<episode_number>\d+)\)).*',
  75             # E.g.: title="Fritjof aus Norwegen (2) (AD)"
  76             # from: https://www.ardmediathek.de/ard/sammlung/der-krieg-und-ich/68cMkqJdllm639Skj4c7sS/
  77             r'.*(?P<ep_info> \((?:Folge |Teil )?(?P<episode_number>\d+)(?:/\d+)?\)).*',
  78             r'.*(?P<ep_info>Folge (?P<episode_number>\d+)(?:\:| -|) )\"(?P<episode>.+)\".*',
  79             # E.g.: title="Folge 25/42: Symmetrie"
  80             # from: https://www.ardmediathek.de/ard/video/grips-mathe/folge-25-42-symmetrie/ard-alpha/Y3JpZDovL2JyLmRlL3ZpZGVvLzMyYzI0ZjczLWQ1N2MtNDAxNC05ZmZhLTFjYzRkZDA5NDU5OQ/
  81             # E.g.: title="Folge 1063 - Vertrauen"
  82             # from: https://www.ardmediathek.de/ard/sendung/die-fallers/Y3JpZDovL3N3ci5kZS8yMzAyMDQ4/
  83             r'.*(?P<ep_info>Folge (?P<episode_number>\d+)(?:/\d+)?(?:\:| -|) ).*',
  84         ]:
  85             m = re.match(pattern, title)
  86             if m:
  87                 groupdict = m.groupdict()
  88                 res['season_number'] = int_or_none(groupdict.get('season_number'))
  89                 res['episode_number'] = int_or_none(groupdict.get('episode_number'))
  90                 res['episode'] = str_or_none(groupdict.get('episode'))
  91                 # Build the episode title by removing numeric episode information:
  92                 if groupdict.get('ep_info') and not res['episode']:
  93                     res['episode'] = str_or_none(
  94                         title.replace(groupdict.get('ep_info'), ''))
  95                 if res['episode']:
  96                     res['episode'] = res['episode'].strip()
  97                 break
  98
  99         # As a fallback use the whole title as the episode name:
 100         if not res.get('episode'):
 101             res['episode'] = title.strip()
 102         return res
 103
 104     def _extract_formats(self, media_info, video_id):
 105         type_ = media_info.get('_type')
 106         media_array = media_info.get('_mediaArray', [])
 107         formats = []
 108         for num, media in enumerate(media_array):
 109             for stream in media.get('_mediaStreamArray', []):
 110                 stream_urls = stream.get('_stream')
 111                 if not stream_urls:
 112                     continue
 113                 if not isinstance(stream_urls, list):
 114                     stream_urls = [stream_urls]
 115                 quality = stream.get('_quality')
 116                 server = stream.get('_server')
 117                 for stream_url in stream_urls:
 118                     if not url_or_none(stream_url):
 119                         continue
 120                     ext = determine_ext(stream_url)
 121                     if quality != 'auto' and ext in ('f4m', 'm3u8'):
 122                         continue
 123                     if ext == 'f4m':
 124                         formats.extend(self._extract_f4m_formats(
 125                             update_url_query(stream_url, {
 126                                 'hdcore': '3.1.1',
 127                                 'plugin': 'aasp-3.1.1.69.124'
 128                             }), video_id, f4m_id='hds', fatal=False))
 129                     elif ext == 'm3u8':
 130                         formats.extend(self._extract_m3u8_formats(
 131                             stream_url, video_id, 'mp4', 'm3u8_native',
 132                             m3u8_id='hls', fatal=False))
 133                     else:
 134                         if server and server.startswith('rtmp'):
 135                             f = {
 136                                 'url': server,
 137                                 'play_path': stream_url,
 138                                 'format_id': 'a%s-rtmp-%s' % (num, quality),
 139                             }
 140                         else:
 141                             f = {
 142                                 'url': stream_url,
 143                                 'format_id': 'a%s-%s-%s' % (num, ext, quality)
 144                             }
 145                         m = re.search(
 146                             r'_(?P<width>\d+)x(?P<height>\d+)\.mp4$',
 147                             stream_url)
 148                         if m:
 149                             f.update({
 150                                 'width': int(m.group('width')),
 151                                 'height': int(m.group('height')),
 152                             })
 153                         if type_ == 'audio':
 154                             f['vcodec'] = 'none'
 155                         formats.append(f)
 156         return formats
 157
 158
 159 class ARDMediathekIE(ARDMediathekBaseIE):
 160     IE_NAME = 'ARD:mediathek'
 161     _VALID_URL = r'^https?://(?:(?:(?:www|classic)\.)?ardmediathek\.de|mediathek\.(?:daserste|rbb-online)\.de|one\.ard\.de)/(?:.*/)(?P<video_id>[0-9]+|[^0-9][^/\?]+)[^/\?]*(?:\?.*)?'
 162
 163     _TESTS = [{
 164         # available till 26.07.2022
 165         'url': 'http://www.ardmediathek.de/tv/S%C3%9CDLICHT/Was-ist-die-Kunst-der-Zukunft-liebe-Ann/BR-Fernsehen/Video?bcastId=34633636&documentId=44726822',
 166         'info_dict': {
 167             'id': '44726822',
 168             'ext': 'mp4',
 169             'title': 'Was ist die Kunst der Zukunft, liebe Anna McCarthy?',
 170             'description': 'md5:4ada28b3e3b5df01647310e41f3a62f5',
 171             'duration': 1740,
 172         },
 173         'params': {
 174             # m3u8 download
 175             'skip_download': True,
 176         }
 177     }, {
 178         'url': 'https://one.ard.de/tv/Mord-mit-Aussicht/Mord-mit-Aussicht-6-39-T%C3%B6dliche-Nach/ONE/Video?bcastId=46384294&documentId=55586872',
 179         'only_matching': True,
 180     }, {
 181         # audio
 182         'url': 'http://www.ardmediathek.de/tv/WDR-H%C3%B6rspiel-Speicher/Tod-eines-Fu%C3%9Fballers/WDR-3/Audio-Podcast?documentId=28488308&bcastId=23074086',
 183         'only_matching': True,
 184     }, {
 185         'url': 'http://mediathek.daserste.de/sendungen_a-z/328454_anne-will/22429276_vertrauen-ist-gut-spionieren-ist-besser-geht',
 186         'only_matching': True,
 187     }, {
 188         # audio
 189         'url': 'http://mediathek.rbb-online.de/radio/Hörspiel/Vor-dem-Fest/kulturradio/Audio?documentId=30796318&topRessort=radio&bcastId=9839158',
 190         'only_matching': True,
 191     }, {
 192         'url': 'https://classic.ardmediathek.de/tv/Panda-Gorilla-Co/Panda-Gorilla-Co-Folge-274/Das-Erste/Video?bcastId=16355486&documentId=58234698',
 193         'only_matching': True,
 194     }]
 195
 196     @classmethod
 197     def suitable(cls, url):
 198         return False if ARDBetaMediathekIE.suitable(url) else super(ARDMediathekIE, cls).suitable(url)
 199
 200     def _real_extract(self, url):
 201         # determine video id from url
 202         m = self._match_valid_url(url)
 203
 204         document_id = None
 205
 206         numid = re.search(r'documentId=([0-9]+)', url)
 207         if numid:
 208             document_id = video_id = numid.group(1)
 209         else:
 210             video_id = m.group('video_id')
 211
 212         webpage = self._download_webpage(url, video_id)
 213
 214         ERRORS = (
 215             ('>Leider liegt eine Störung vor.', 'Video %s is unavailable'),
 216             ('>Der gewünschte Beitrag ist nicht mehr verfügbar.<',
 217              'Video %s is no longer available'),
 218         )
 219
 220         for pattern, message in ERRORS:
 221             if pattern in webpage:
 222                 raise ExtractorError(message % video_id, expected=True)
 223
 224         if re.search(r'[\?&]rss($|[=&])', url):
 225             doc = compat_etree_fromstring(webpage.encode('utf-8'))
 226             if doc.tag == 'rss':
 227                 return GenericIE()._extract_rss(url, video_id, doc)
 228
 229         title = self._og_search_title(webpage, default=None) or self._html_search_regex(
 230             [r'<h1(?:\s+class="boxTopHeadline")?>(.*?)</h1>',
 231              r'<meta name="dcterms\.title" content="(.*?)"/>',
 232              r'<h4 class="headline">(.*?)</h4>',
 233              r'<title[^>]*>(.*?)</title>'],
 234             webpage, 'title')
 235         description = self._og_search_description(webpage, default=None) or self._html_search_meta(
 236             'dcterms.abstract', webpage, 'description', default=None)
 237         if description is None:
 238             description = self._html_search_meta(
 239                 'description', webpage, 'meta description', default=None)
 240         if description is None:
 241             description = self._html_search_regex(
 242                 r'<p\s+class="teasertext">(.+?)</p>',
 243                 webpage, 'teaser text', default=None)
 244
 245         # Thumbnail is sometimes not present.
 246         # It is in the mobile version, but that seems to use a different URL
 247         # structure altogether.
 248         thumbnail = self._og_search_thumbnail(webpage, default=None)
 249
 250         media_streams = re.findall(r'''(?x)
 251             mediaCollection\.addMediaStream\([0-9]+,\s*[0-9]+,\s*"[^"]*",\s*
 252             "([^"]+)"''', webpage)
 253
 254         if media_streams:
 255             QUALITIES = qualities(['lo', 'hi', 'hq'])
 256             formats = []
 257             for furl in set(media_streams):
 258                 if furl.endswith('.f4m'):
 259                     fid = 'f4m'
 260                 else:
 261                     fid_m = re.match(r'.*\.([^.]+)\.[^.]+$', furl)
 262                     fid = fid_m.group(1) if fid_m else None
 263                 formats.append({
 264                     'quality': QUALITIES(fid),
 265                     'format_id': fid,
 266                     'url': furl,
 267                 })
 268             self._sort_formats(formats)
 269             info = {
 270                 'formats': formats,
 271             }
 272         else:  # request JSON file
 273             if not document_id:
 274                 video_id = self._search_regex(
 275                     (r'/play/(?:config|media|sola)/(\d+)', r'contentId["\']\s*:\s*(\d+)'),
 276                     webpage, 'media id', default=None)
 277             info = self._extract_media_info(
 278                 'http://www.ardmediathek.de/play/media/%s' % video_id,
 279                 webpage, video_id)
 280
 281         info.update({
 282             'id': video_id,
 283             'title': title,
 284             'description': description,
 285             'thumbnail': thumbnail,
 286         })
 287         info.update(self._ARD_extract_episode_info(info['title']))
 288
 289         return info
 290
 291
 292 class ARDIE(InfoExtractor):
 293     _VALID_URL = r'(?P<mainurl>https?://(?:www\.)?daserste\.de/(?:[^/?#&]+/)+(?P<id>[^/?#&]+))\.html'
 294     _TESTS = [{
 295         # available till 7.01.2022
 296         'url': 'https://www.daserste.de/information/talk/maischberger/videos/maischberger-die-woche-video100.html',
 297         'md5': '867d8aa39eeaf6d76407c5ad1bb0d4c1',
 298         'info_dict': {
 299             'id': 'maischberger-die-woche-video100',
 300             'display_id': 'maischberger-die-woche-video100',
 301             'ext': 'mp4',
 302             'duration': 3687.0,
 303             'title': 'maischberger. die woche vom 7. Januar 2021',
 304             'upload_date': '20210107',
 305             'thumbnail': r're:^https?://.*\.jpg$',
 306         },
 307     }, {
 308         'url': 'https://www.daserste.de/information/politik-weltgeschehen/morgenmagazin/videosextern/dominik-kahun-aus-der-nhl-direkt-zur-weltmeisterschaft-100.html',
 309         'only_matching': True,
 310     }, {
 311         'url': 'https://www.daserste.de/information/nachrichten-wetter/tagesthemen/videosextern/tagesthemen-17736.html',
 312         'only_matching': True,
 313     }, {
 314         'url': 'https://www.daserste.de/unterhaltung/serie/in-aller-freundschaft-die-jungen-aerzte/videos/diversity-tag-sanam-afrashteh100.html',
 315         'only_matching': True,
 316     }, {
 317         'url': 'http://www.daserste.de/information/reportage-dokumentation/dokus/videos/die-story-im-ersten-mission-unter-falscher-flagge-100.html',
 318         'only_matching': True,
 319     }, {
 320         'url': 'https://www.daserste.de/unterhaltung/serie/in-aller-freundschaft-die-jungen-aerzte/Drehpause-100.html',
 321         'only_matching': True,
 322     }, {
 323         'url': 'https://www.daserste.de/unterhaltung/film/filmmittwoch-im-ersten/videos/making-ofwendezeit-video-100.html',
 324         'only_matching': True,
 325     }]
 326
 327     def _real_extract(self, url):
 328         mobj = self._match_valid_url(url)
 329         display_id = mobj.group('id')
 330
 331         player_url = mobj.group('mainurl') + '~playerXml.xml'
 332         doc = self._download_xml(player_url, display_id)
 333         video_node = doc.find('./video')
 334         upload_date = unified_strdate(xpath_text(
 335             video_node, './broadcastDate'))
 336         thumbnail = xpath_text(video_node, './/teaserImage//variant/url')
 337
 338         formats = []
 339         for a in video_node.findall('.//asset'):
 340             file_name = xpath_text(a, './fileName', default=None)
 341             if not file_name:
 342                 continue
 343             format_type = a.attrib.get('type')
 344             format_url = url_or_none(file_name)
 345             if format_url:
 346                 ext = determine_ext(file_name)
 347                 if ext == 'm3u8':
 348                     formats.extend(self._extract_m3u8_formats(
 349                         format_url, display_id, 'mp4', entry_protocol='m3u8_native',
 350                         m3u8_id=format_type or 'hls', fatal=False))
 351                     continue
 352                 elif ext == 'f4m':
 353                     formats.extend(self._extract_f4m_formats(
 354                         update_url_query(format_url, {'hdcore': '3.7.0'}),
 355                         display_id, f4m_id=format_type or 'hds', fatal=False))
 356                     continue
 357             f = {
 358                 'format_id': format_type,
 359                 'width': int_or_none(xpath_text(a, './frameWidth')),
 360                 'height': int_or_none(xpath_text(a, './frameHeight')),
 361                 'vbr': int_or_none(xpath_text(a, './bitrateVideo')),
 362                 'abr': int_or_none(xpath_text(a, './bitrateAudio')),
 363                 'vcodec': xpath_text(a, './codecVideo'),
 364                 'tbr': int_or_none(xpath_text(a, './totalBitrate')),
 365             }
 366             server_prefix = xpath_text(a, './serverPrefix', default=None)
 367             if server_prefix:
 368                 f.update({
 369                     'url': server_prefix,
 370                     'playpath': file_name,
 371                 })
 372             else:
 373                 if not format_url:
 374                     continue
 375                 f['url'] = format_url
 376             formats.append(f)
 377         self._sort_formats(formats)
 378
 379         _SUB_FORMATS = (
 380             ('./dataTimedText', 'ttml'),
 381             ('./dataTimedTextNoOffset', 'ttml'),
 382             ('./dataTimedTextVtt', 'vtt'),
 383         )
 384
 385         subtitles = {}
 386         for subsel, subext in _SUB_FORMATS:
 387             for node in video_node.findall(subsel):
 388                 subtitles.setdefault('de', []).append({
 389                     'url': node.attrib['url'],
 390                     'ext': subext,
 391                 })
 392
 393         return {
 394             'id': xpath_text(video_node, './videoId', default=display_id),
 395             'formats': formats,
 396             'subtitles': subtitles,
 397             'display_id': display_id,
 398             'title': video_node.find('./title').text,
 399             'duration': parse_duration(video_node.find('./duration').text),
 400             'upload_date': upload_date,
 401             'thumbnail': thumbnail,
 402         }
 403
 404
 405 class ARDBetaMediathekIE(ARDMediathekBaseIE):
 406     _VALID_URL = r'''(?x)https://
 407         (?:(?:beta|www)\.)?ardmediathek\.de/
 408         (?:(?P<client>[^/]+)/)?
 409         (?:player|live|video|(?P<playlist>sendung|sammlung))/
 410         (?:(?P<display_id>[^?#]+)/)?
 411         (?P<id>(?(playlist)|Y3JpZDovL)[a-zA-Z0-9]+)'''
 412
 413     _TESTS = [{
 414         'url': 'https://www.ardmediathek.de/mdr/video/die-robuste-roswita/Y3JpZDovL21kci5kZS9iZWl0cmFnL2Ntcy84MWMxN2MzZC0wMjkxLTRmMzUtODk4ZS0wYzhlOWQxODE2NGI/',
 415         'md5': 'a1dc75a39c61601b980648f7c9f9f71d',
 416         'info_dict': {
 417             'display_id': 'die-robuste-roswita',
 418             'id': '78566716',
 419             'title': 'Die robuste Roswita',
 420             'description': r're:^Der Mord.*totgeglaubte Ehefrau Roswita',
 421             'duration': 5316,
 422             'thumbnail': 'https://img.ardmediathek.de/standard/00/78/56/67/84/575672121/16x9/960?mandant=ard',
 423             'timestamp': 1596658200,
 424             'upload_date': '20200805',
 425             'ext': 'mp4',
 426         },
 427         'skip': 'Error',
 428     }, {
 429         'url': 'https://www.ardmediathek.de/video/tagesschau-oder-tagesschau-20-00-uhr/das-erste/Y3JpZDovL2Rhc2Vyc3RlLmRlL3RhZ2Vzc2NoYXUvZmM4ZDUxMjgtOTE0ZC00Y2MzLTgzNzAtNDZkNGNiZWJkOTll',
 430         'md5': 'f1837e563323b8a642a8ddeff0131f51',
 431         'info_dict': {
 432             'id': '10049223',
 433             'ext': 'mp4',
 434             'title': 'tagesschau, 20:00 Uhr',
 435             'timestamp': 1636398000,
 436             'description': 'md5:39578c7b96c9fe50afdf5674ad985e6b',
 437             'upload_date': '20211108',
 438         },
 439     }, {
 440         'url': 'https://beta.ardmediathek.de/ard/video/Y3JpZDovL2Rhc2Vyc3RlLmRlL3RhdG9ydC9mYmM4NGM1NC0xNzU4LTRmZGYtYWFhZS0wYzcyZTIxNGEyMDE',
 441         'only_matching': True,
 442     }, {
 443         'url': 'https://ardmediathek.de/ard/video/saartalk/saartalk-gesellschaftsgift-haltung-gegen-hass/sr-fernsehen/Y3JpZDovL3NyLW9ubGluZS5kZS9TVF84MTY4MA/',
 444         'only_matching': True,
 445     }, {
 446         'url': 'https://www.ardmediathek.de/ard/video/trailer/private-eyes-s01-e01/one/Y3JpZDovL3dkci5kZS9CZWl0cmFnLTE1MTgwYzczLWNiMTEtNGNkMS1iMjUyLTg5MGYzOWQxZmQ1YQ/',
 447         'only_matching': True,
 448     }, {
 449         'url': 'https://www.ardmediathek.de/ard/player/Y3JpZDovL3N3ci5kZS9hZXgvbzEwNzE5MTU/',
 450         'only_matching': True,
 451     }, {
 452         'url': 'https://www.ardmediathek.de/swr/live/Y3JpZDovL3N3ci5kZS8xMzQ4MTA0Mg',
 453         'only_matching': True,
 454     }, {
 455         # playlist of type 'sendung'
 456         'url': 'https://www.ardmediathek.de/ard/sendung/doctor-who/Y3JpZDovL3dkci5kZS9vbmUvZG9jdG9yIHdobw/',
 457         'only_matching': True,
 458     }, {
 459         # playlist of type 'sammlung'
 460         'url': 'https://www.ardmediathek.de/ard/sammlung/team-muenster/5JpTzLSbWUAK8184IOvEir/',
 461         'only_matching': True,
 462     }, {
 463         'url': 'https://www.ardmediathek.de/video/coronavirus-update-ndr-info/astrazeneca-kurz-lockdown-und-pims-syndrom-81/ndr/Y3JpZDovL25kci5kZS84NzE0M2FjNi0wMWEwLTQ5ODEtOTE5NS1mOGZhNzdhOTFmOTI/',
 464         'only_matching': True,
 465     }, {
 466         'url': 'https://www.ardmediathek.de/ard/player/Y3JpZDovL3dkci5kZS9CZWl0cmFnLWQ2NDJjYWEzLTMwZWYtNGI4NS1iMTI2LTU1N2UxYTcxOGIzOQ/tatort-duo-koeln-leipzig-ihr-kinderlein-kommet',
 467         'only_matching': True,
 468     }]
 469
 470     def _ARD_load_playlist_snipped(self, playlist_id, display_id, client, mode, pageNumber):
 471         """ Query the ARD server for playlist information
 472         and returns the data in "raw" format """
 473         if mode == 'sendung':
 474             graphQL = json.dumps({
 475                 'query': '''{
 476                     showPage(
 477                         client: "%s"
 478                         showId: "%s"
 479                         pageNumber: %d
 480                     ) {
 481                         pagination {
 482                             pageSize
 483                             totalElements
 484                         }
 485                         teasers {        # Array
 486                             mediumTitle
 487                             links { target { id href title } }
 488                             type
 489                         }
 490                     }}''' % (client, playlist_id, pageNumber),
 491             }).encode()
 492         else:  # mode == 'sammlung'
 493             graphQL = json.dumps({
 494                 'query': '''{
 495                     morePage(
 496                         client: "%s"
 497                         compilationId: "%s"
 498                         pageNumber: %d
 499                     ) {
 500                         widget {
 501                             pagination {
 502                                 pageSize
 503                                 totalElements
 504                             }
 505                             teasers {        # Array
 506                                 mediumTitle
 507                                 links { target { id href title } }
 508                                 type
 509                             }
 510                         }
 511                     }}''' % (client, playlist_id, pageNumber),
 512             }).encode()
 513         # Ressources for ARD graphQL debugging:
 514         # https://api-test.ardmediathek.de/public-gateway
 515         show_page = self._download_json(
 516             'https://api.ardmediathek.de/public-gateway',
 517             '[Playlist] %s' % display_id,
 518             data=graphQL,
 519             headers={'Content-Type': 'application/json'})['data']
 520         # align the structure of the returned data:
 521         if mode == 'sendung':
 522             show_page = show_page['showPage']
 523         else:  # mode == 'sammlung'
 524             show_page = show_page['morePage']['widget']
 525         return show_page
 526
 527     def _ARD_extract_playlist(self, url, playlist_id, display_id, client, mode):
 528         """ Collects all playlist entries and returns them as info dict.
 529         Supports playlists of mode 'sendung' and 'sammlung', and also nested
 530         playlists. """
 531         entries = []
 532         pageNumber = 0
 533         while True:  # iterate by pageNumber
 534             show_page = self._ARD_load_playlist_snipped(
 535                 playlist_id, display_id, client, mode, pageNumber)
 536             for teaser in show_page['teasers']:  # process playlist items
 537                 if '/compilation/' in teaser['links']['target']['href']:
 538                     # alternativ cond.: teaser['type'] == "compilation"
 539                     # => This is an nested compilation, e.g. like:
 540                     # https://www.ardmediathek.de/ard/sammlung/die-kirche-bleibt-im-dorf/5eOHzt8XB2sqeFXbIoJlg2/
 541                     link_mode = 'sammlung'
 542                 else:
 543                     link_mode = 'video'
 544
 545                 item_url = 'https://www.ardmediathek.de/%s/%s/%s/%s/%s' % (
 546                     client, link_mode, display_id,
 547                     # perform HTLM quoting of episode title similar to ARD:
 548                     re.sub('^-|-$', '',  # remove '-' from begin/end
 549                            re.sub('[^a-zA-Z0-9]+', '-',  # replace special chars by -
 550                                   teaser['links']['target']['title'].lower()
 551                                   .replace('ä', 'ae').replace('ö', 'oe')
 552                                   .replace('ü', 'ue').replace('ß', 'ss'))),
 553                     teaser['links']['target']['id'])
 554                 entries.append(self.url_result(
 555                     item_url,
 556                     ie=ARDBetaMediathekIE.ie_key()))
 557
 558             if (show_page['pagination']['pageSize'] * (pageNumber + 1)
 559                >= show_page['pagination']['totalElements']):
 560                 # we've processed enough pages to get all playlist entries
 561                 break
 562             pageNumber = pageNumber + 1
 563
 564         return self.playlist_result(entries, playlist_title=display_id)
 565
 566     def _real_extract(self, url):
 567         video_id, display_id, playlist_type, client = self._match_valid_url(url).group(
 568             'id', 'display_id', 'playlist', 'client')
 569         display_id, client = display_id or video_id, client or 'ard'
 570
 571         if playlist_type:
 572             return self._ARD_extract_playlist(url, video_id, display_id, client, playlist_type)
 573
 574         player_page = self._download_json(
 575             'https://api.ardmediathek.de/public-gateway',
 576             display_id, data=json.dumps({
 577                 'query': '''{
 578   playerPage(client:"%s", clipId: "%s") {
 579     blockedByFsk
 580     broadcastedOn
 581     maturityContentRating
 582     mediaCollection {
 583       _duration
 584       _geoblocked
 585       _isLive
 586       _mediaArray {
 587         _mediaStreamArray {
 588           _quality
 589           _server
 590           _stream
 591         }
 592       }
 593       _previewImage
 594       _subtitleUrl
 595       _type
 596     }
 597     show {
 598       title
 599     }
 600     synopsis
 601     title
 602     tracking {
 603       atiCustomVars {
 604         contentId
 605       }
 606     }
 607   }
 608 }''' % (client, video_id),
 609             }).encode(), headers={
 610                 'Content-Type': 'application/json'
 611             })['data']['playerPage']
 612         title = player_page['title']
 613         content_id = str_or_none(try_get(
 614             player_page, lambda x: x['tracking']['atiCustomVars']['contentId']))
 615         media_collection = player_page.get('mediaCollection') or {}
 616         if not media_collection and content_id:
 617             media_collection = self._download_json(
 618                 'https://www.ardmediathek.de/play/media/' + content_id,
 619                 content_id, fatal=False) or {}
 620         info = self._parse_media_info(
 621             media_collection, content_id or video_id,
 622             player_page.get('blockedByFsk'))
 623         age_limit = None
 624         description = player_page.get('synopsis')
 625         maturity_content_rating = player_page.get('maturityContentRating')
 626         if maturity_content_rating:
 627             age_limit = int_or_none(maturity_content_rating.lstrip('FSK'))
 628         if not age_limit and description:
 629             age_limit = int_or_none(self._search_regex(
 630                 r'\(FSK\s*(\d+)\)\s*$', description, 'age limit', default=None))
 631         info.update({
 632             'age_limit': age_limit,
 633             'display_id': display_id,
 634             'title': title,
 635             'description': description,
 636             'timestamp': unified_timestamp(player_page.get('broadcastedOn')),
 637             'series': try_get(player_page, lambda x: x['show']['title']),
 638         })
 639         info.update(self._ARD_extract_episode_info(info['title']))
 640         return info