[OpenCast] Add extractors (#1905)
Original PR: https://github.com/ytdl-org/youtube-dl/pull/26934 Authored by: bwildenhain, C0D3D3V
This commit is contained in:
Benedikt Wildenhain
GitHub
parent
e9efb99f66
commit
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4 changed files with 183 additions and 2 deletions
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@ -1151,7 +1151,7 @@ class YoutubeDL(object):
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str_fmt = f'{fmt[:-1]}s'
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if fmt[-1] == 'l': # list
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delim = '\n' if '#' in flags else ', '
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value, fmt = delim.join(variadic(value)), str_fmt
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value, fmt = delim.join(variadic(value, allowed_types=(str, bytes))), str_fmt
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elif fmt[-1] == 'j': # json
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value, fmt = json.dumps(value, default=_dumpjson_default, indent=4 if '#' in flags else None), str_fmt
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elif fmt[-1] == 'q': # quoted
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@ -1040,6 +1040,10 @@ from .ooyala import (
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OoyalaIE,
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OoyalaExternalIE,
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)
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from .opencast import (
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OpencastIE,
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OpencastPlaylistIE,
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)
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from .openrec import (
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OpenRecIE,
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OpenRecCaptureIE,
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177
yt_dlp/extractor/opencast.py
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177
yt_dlp/extractor/opencast.py
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@ -0,0 +1,177 @@
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# coding: utf-8
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from __future__ import unicode_literals
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import re
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from .common import InfoExtractor
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from ..utils import (
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determine_ext,
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ExtractorError,
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int_or_none,
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parse_iso8601,
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traverse_obj,
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variadic,
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)
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class OpencastBaseIE(InfoExtractor):
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_INSTANCES_RE = r'''(?:
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opencast\.informatik\.kit\.edu|
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electures\.uni-muenster\.de|
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oc-presentation\.ltcc\.tuwien\.ac\.at|
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medien\.ph-noe\.ac\.at|
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oc-video\.ruhr-uni-bochum\.de|
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oc-video1\.ruhr-uni-bochum\.de|
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opencast\.informatik\.uni-goettingen\.de|
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heicast\.uni-heidelberg\.de|
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opencast\.hawk\.de:8080|
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opencast\.hs-osnabrueck\.de|
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video[0-9]+\.virtuos\.uni-osnabrueck\.de|
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opencast\.uni-koeln\.de|
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media\.opencast\.hochschule-rhein-waal\.de|
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matterhorn\.dce\.harvard\.edu|
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hs-harz\.opencast\.uni-halle\.de|
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videocampus\.urz\.uni-leipzig\.de|
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media\.uct\.ac\.za|
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vid\.igb\.illinois\.edu|
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cursosabertos\.c3sl\.ufpr\.br|
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mcmedia\.missioncollege\.org|
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clases\.odon\.edu\.uy
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)'''
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_UUID_RE = r'[\da-fA-F]{8}-[\da-fA-F]{4}-[\da-fA-F]{4}-[\da-fA-F]{4}-[\da-fA-F]{12}'
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def _call_api(self, host, video_id, **kwargs):
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return self._download_json(self._API_BASE % (host, video_id), video_id, **kwargs)
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def _parse_mediapackage(self, video):
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video_id = video.get('id')
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if video_id is None:
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raise ExtractorError('Video id was not found')
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formats = []
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for track in variadic(traverse_obj(video, ('media', 'track')) or []):
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href = track.get('url')
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if href is None:
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continue
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ext = determine_ext(href, None)
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transport = track.get('transport')
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if transport == 'DASH' or ext == 'mpd':
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formats.extend(self._extract_mpd_formats_and_subtitles(href, video_id, mpd_id='dash', fatal=False))
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elif transport == 'HLS' or ext == 'm3u8':
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formats.extend(self._extract_m3u8_formats_and_subtitles(
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href, video_id, m3u8_id='hls', entry_protocol='m3u8_native', fatal=False))
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elif transport == 'HDS' or ext == 'f4m':
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formats.extend(self._extract_f4m_formats(href, video_id, f4m_id='hds', fatal=False))
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elif transport == 'SMOOTH':
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formats.extend(self._extract_ism_formats(href, video_id, ism_id='smooth', fatal=False))
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elif ext == 'smil':
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formats.extend(self._extract_smil_formats(href, video_id, fatal=False))
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else:
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track_obj = {
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'url': href,
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'ext': ext,
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'format_note': track.get('transport'),
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'resolution': traverse_obj(track, ('video', 'resolution')),
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'fps': int_or_none(traverse_obj(track, ('video', 'framerate'))),
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'vbr': int_or_none(traverse_obj(track, ('video', 'bitrate')), scale=1000),
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'vcodec': traverse_obj(track, ('video', 'encoder', 'type')) if track.get('video') else 'none',
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'abr': int_or_none(traverse_obj(track, ('audio', 'bitrate')), scale=1000),
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'asr': int_or_none(traverse_obj(track, ('audio', 'samplingrate'))),
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'acodec': traverse_obj(track, ('audio', 'encoder', 'type')) if track.get('audio') else 'none',
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}
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if transport == 'RTMP':
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m_obj = re.search(r'(?:rtmp://[^/]+/(?P<app>[^/]+))/(?P<ext>.+):(?P<playpath>.+)', href)
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if not m_obj:
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continue
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track_obj.update({
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'app': m_obj.group('app'),
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'ext': m_obj.group('ext'),
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'play_path': m_obj.group('ext') + ':' + m_obj.group('playpath'),
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'rtmp_live': True,
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'preference': -2,
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})
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formats.append(track_obj)
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self._sort_formats(formats)
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return {
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'id': video_id,
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'formats': formats,
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'title': video.get('title'),
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'series': video.get('seriestitle'),
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'season_id': video.get('series'),
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'creator': traverse_obj(video, ('creators', 'creator')),
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'timestamp': parse_iso8601(video.get('start')),
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'thumbnail': traverse_obj(video, ('attachments', 'attachment', ..., 'url'), get_all=False),
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}
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class OpencastIE(OpencastBaseIE):
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_VALID_URL = r'''(?x)
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https?://(?P<host>%s)/paella/ui/watch.html\?.*?
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id=(?P<id>%s)
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''' % (OpencastBaseIE._INSTANCES_RE, OpencastBaseIE._UUID_RE)
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_API_BASE = 'https://%s/search/episode.json?id=%s'
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_TESTS = [
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{
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'url': 'https://oc-video1.ruhr-uni-bochum.de/paella/ui/watch.html?id=ed063cd5-72c8-46b5-a60a-569243edcea8',
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'md5': '554c8e99a90f7be7e874619fcf2a3bc9',
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'info_dict': {
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'id': 'ed063cd5-72c8-46b5-a60a-569243edcea8',
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'ext': 'mp4',
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'title': '11 - Kryptographie - 24.11.2015',
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'thumbnail': r're:^https?://.*\.jpg$',
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'timestamp': 1606208400,
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'upload_date': '20201124',
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},
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}
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]
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def _real_extract(self, url):
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host, video_id = self._match_valid_url(url).group('host', 'id')
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return self._parse_mediapackage(
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self._call_api(host, video_id)['search-results']['result']['mediapackage'])
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class OpencastPlaylistIE(OpencastBaseIE):
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_VALID_URL = r'''(?x)
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https?://(?P<host>%s)/engage/ui/index.html\?.*?
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epFrom=(?P<id>%s)
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''' % (OpencastBaseIE._INSTANCES_RE, OpencastBaseIE._UUID_RE)
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_API_BASE = 'https://%s/search/episode.json?sid=%s'
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_TESTS = [
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{
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'url': 'https://oc-video1.ruhr-uni-bochum.de/engage/ui/index.html?epFrom=cf68a4a1-36b1-4a53-a6ba-61af5705a0d0',
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'info_dict': {
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'id': 'cf68a4a1-36b1-4a53-a6ba-61af5705a0d0',
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'title': 'Kryptographie - WiSe 15/16',
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},
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'playlist_mincount': 28,
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},
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{
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'url': 'https://oc-video.ruhr-uni-bochum.de/engage/ui/index.html?e=1&p=1&epFrom=b1a54262-3684-403f-9731-8e77c3766f9a',
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'info_dict': {
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'id': 'b1a54262-3684-403f-9731-8e77c3766f9a',
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'title': 'inSTUDIES-Social movements and prefigurative politics in a global perspective',
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},
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'playlist_mincount': 6,
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},
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]
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def _real_extract(self, url):
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host, video_id = self._match_valid_url(url).group('host', 'id')
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entries = [
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self._parse_mediapackage(episode['mediapackage'])
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for episode in variadic(self._call_api(host, video_id)['search-results']['result'])
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if episode.get('mediapackage')
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]
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return self.playlist_result(entries, video_id, traverse_obj(entries, (0, 'series')))
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@ -5024,7 +5024,7 @@ def traverse_dict(dictn, keys, casesense=True):
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return traverse_obj(dictn, keys, casesense=casesense, is_user_input=True, traverse_string=True)
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def variadic(x, allowed_types=(str, bytes)):
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def variadic(x, allowed_types=(str, bytes, dict)):
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return x if isinstance(x, collections.abc.Iterable) and not isinstance(x, allowed_types) else (x,)
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