import re from .common import InfoExtractor from ..utils import ( ExtractorError, determine_ext, int_or_none, parse_iso8601, traverse_obj, variadic, ) class OpencastBaseIE(InfoExtractor): _INSTANCES_RE = r'''(?: opencast\.informatik\.kit\.edu| electures\.uni-muenster\.de| oc-presentation\.ltcc\.tuwien\.ac\.at| medien\.ph-noe\.ac\.at| oc-video\.ruhr-uni-bochum\.de| oc-video1\.ruhr-uni-bochum\.de| opencast\.informatik\.uni-goettingen\.de| heicast\.uni-heidelberg\.de| opencast\.hawk\.de:8080| opencast\.hs-osnabrueck\.de| video[0-9]+\.virtuos\.uni-osnabrueck\.de| opencast\.uni-koeln\.de| media\.opencast\.hochschule-rhein-waal\.de| matterhorn\.dce\.harvard\.edu| hs-harz\.opencast\.uni-halle\.de| videocampus\.urz\.uni-leipzig\.de| media\.uct\.ac\.za| vid\.igb\.illinois\.edu| cursosabertos\.c3sl\.ufpr\.br| mcmedia\.missioncollege\.org| clases\.odon\.edu\.uy )''' _UUID_RE = r'[\da-fA-F]{8}-[\da-fA-F]{4}-[\da-fA-F]{4}-[\da-fA-F]{4}-[\da-fA-F]{12}' def _call_api(self, host, video_id, **kwargs): return self._download_json(self._API_BASE % (host, video_id), video_id, **kwargs) def _parse_mediapackage(self, video): video_id = video.get('id') if video_id is None: raise ExtractorError('Video id was not found') formats = [] for track in variadic(traverse_obj(video, ('media', 'track')) or []): href = track.get('url') if href is None: continue ext = determine_ext(href, None) transport = track.get('transport') if transport == 'DASH' or ext == 'mpd': formats.extend(self._extract_mpd_formats(href, video_id, mpd_id='dash', fatal=False)) elif transport == 'HLS' or ext == 'm3u8': formats.extend(self._extract_m3u8_formats( href, video_id, m3u8_id='hls', entry_protocol='m3u8_native', fatal=False)) elif transport == 'HDS' or ext == 'f4m': formats.extend(self._extract_f4m_formats(href, video_id, f4m_id='hds', fatal=False)) elif transport == 'SMOOTH': formats.extend(self._extract_ism_formats(href, video_id, ism_id='smooth', fatal=False)) elif ext == 'smil': formats.extend(self._extract_smil_formats(href, video_id, fatal=False)) else: track_obj = { 'url': href, 'ext': ext, 'format_note': track.get('transport'), 'resolution': traverse_obj(track, ('video', 'resolution')), 'fps': int_or_none(traverse_obj(track, ('video', 'framerate'))), 'vbr': int_or_none(traverse_obj(track, ('video', 'bitrate')), scale=1000), 'vcodec': traverse_obj(track, ('video', 'encoder', 'type')) if track.get('video') else 'none', 'abr': int_or_none(traverse_obj(track, ('audio', 'bitrate')), scale=1000), 'asr': int_or_none(traverse_obj(track, ('audio', 'samplingrate'))), 'acodec': traverse_obj(track, ('audio', 'encoder', 'type')) if track.get('audio') else 'none', } if transport == 'RTMP': m_obj = re.search(r'(?:rtmp://[^/]+/(?P[^/]+))/(?P.+):(?P.+)', href) if not m_obj: continue track_obj.update({ 'app': m_obj.group('app'), 'ext': m_obj.group('ext'), 'play_path': m_obj.group('ext') + ':' + m_obj.group('playpath'), 'rtmp_live': True, 'preference': -2, }) formats.append(track_obj) return { 'id': video_id, 'formats': formats, 'title': video.get('title'), 'series': video.get('seriestitle'), 'season_id': video.get('series'), 'creator': traverse_obj(video, ('creators', 'creator')), 'timestamp': parse_iso8601(video.get('start')), 'thumbnail': traverse_obj(video, ('attachments', 'attachment', ..., 'url'), get_all=False), } class OpencastIE(OpencastBaseIE): _VALID_URL = rf'''(?x) https?://(?P{OpencastBaseIE._INSTANCES_RE})/paella/ui/watch\.html\? (?:[^#]+&)?id=(?P{OpencastBaseIE._UUID_RE})''' _API_BASE = 'https://%s/search/episode.json?id=%s' _TESTS = [ { 'url': 'https://oc-video1.ruhr-uni-bochum.de/paella/ui/watch.html?id=ed063cd5-72c8-46b5-a60a-569243edcea8', 'md5': '554c8e99a90f7be7e874619fcf2a3bc9', 'info_dict': { 'id': 'ed063cd5-72c8-46b5-a60a-569243edcea8', 'ext': 'mp4', 'title': '11 - Kryptographie - 24.11.2015', 'thumbnail': r're:^https?://.*\.jpg$', 'timestamp': 1606208400, 'upload_date': '20201124', 'season_id': 'cf68a4a1-36b1-4a53-a6ba-61af5705a0d0', 'series': 'Kryptographie - WiSe 15/16', 'creator': 'Alexander May', }, } ] def _real_extract(self, url): host, video_id = self._match_valid_url(url).group('host', 'id') return self._parse_mediapackage( self._call_api(host, video_id)['search-results']['result']['mediapackage']) class OpencastPlaylistIE(OpencastBaseIE): _VALID_URL = rf'''(?x) https?://(?P{OpencastBaseIE._INSTANCES_RE})(?: /engage/ui/index\.html\?(?:[^#]+&)?epFrom=| /ltitools/index\.html\?(?:[^#]+&)?series= )(?P{OpencastBaseIE._UUID_RE})''' _API_BASE = 'https://%s/search/episode.json?sid=%s' _TESTS = [ { 'url': 'https://oc-video1.ruhr-uni-bochum.de/engage/ui/index.html?epFrom=cf68a4a1-36b1-4a53-a6ba-61af5705a0d0', 'info_dict': { 'id': 'cf68a4a1-36b1-4a53-a6ba-61af5705a0d0', 'title': 'Kryptographie - WiSe 15/16', }, 'playlist_mincount': 29, }, { 'url': 'https://oc-video1.ruhr-uni-bochum.de/ltitools/index.html?subtool=series&series=cf68a4a1-36b1-4a53-a6ba-61af5705a0d0&lng=de', 'info_dict': { 'id': 'cf68a4a1-36b1-4a53-a6ba-61af5705a0d0', 'title': 'Kryptographie - WiSe 15/16', }, 'playlist_mincount': 29, }, { 'url': 'https://electures.uni-muenster.de/engage/ui/index.html?e=1&p=1&epFrom=39391d10-a711-4d23-b21d-afd2ed7d758c', 'info_dict': { 'id': '39391d10-a711-4d23-b21d-afd2ed7d758c', 'title': '021670 Theologische Themen bei Hans Blumenberg WiSe 2017/18', }, 'playlist_mincount': 13, }, ] def _real_extract(self, url): host, video_id = self._match_valid_url(url).group('host', 'id') entries = [ self._parse_mediapackage(episode['mediapackage']) for episode in variadic(self._call_api(host, video_id)['search-results']['result']) if episode.get('mediapackage') ] return self.playlist_result(entries, video_id, traverse_obj(entries, (0, 'series')))