130 lines
5.1 KiB
Python
130 lines
5.1 KiB
Python
# 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 parse_iso8601, parse_resolution, int_or_none
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class OpencastIE(InfoExtractor):
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IE_NAME = 'Opencast'
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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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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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_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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''' % (
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_INSTANCES_RE,
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_UUID_RE,
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)
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_API_BASE = 'https://%s/search/episode.json?id=%s'
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_TEST = {
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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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def _call_api(self, host, video_id, path, note=None, errnote=None, fatal=True):
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return self._download_json(self._API_BASE % (host, video_id), video_id, note=note, errnote=errnote, fatal=fatal)
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def _real_extract(self, url):
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mobj = re.match(self._VALID_URL, url)
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host = mobj.group('host')
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video_id = mobj.group('id')
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api_json = self._call_api(host, video_id, '', note='Downloading video JSON')
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video = api_json.get('search-results', {}).get('result', {}).get('mediapackage', {})
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# webpage = self._download_webpage(url, video_id)
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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 = video.get('creators', {}).get('creator', '')
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timestamp = parse_iso8601(video.get('start', ''))
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tracks = video.get('media', {}).get('track', [])
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formats = []
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for track in tracks:
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track_obj = {'url': track['url']}
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audio_info = track.get('audio')
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if audio_info is not None:
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if 'bitrate' in audio_info:
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track_obj.update({'abr': int_or_none(audio_info.get('bitrate'), 1000)})
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if 'samplingrate' in audio_info:
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track_obj.update({'asr': int_or_none(audio_info.get('samplingrate'))})
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audio_encoder = audio_info.get('encoder', {})
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if 'type' in audio_encoder:
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track_obj.update({'acodec': audio_encoder.get('type')})
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video_info = track.get('video')
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if video_info is not None:
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if 'resolution' in video_info:
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track_obj.update({'resolution': video_info.get('resolution')})
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resolution = parse_resolution(video_info.get('resolution'))
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track_obj.update(resolution)
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if 'framerate' in video_info:
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track_obj.update({'fps': int_or_none(video_info.get('framerate'))})
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if 'bitrate' in video_info:
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track_obj.update({'vbr': int_or_none(video_info.get('bitrate'), 1000)})
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video_encoder = video_info.get('encoder', {})
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if 'type' in video_encoder:
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track_obj.update({'vcodec': video_encoder.get('type')})
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formats.append(track_obj)
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self._sort_formats(formats)
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result_obj = {
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'id': video_id,
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'title': title,
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'creator': creator,
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'series': series,
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'season_id': season_id,
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'formats': formats,
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'timestamp': timestamp,
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}
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attachments = video.get('attachments', {}).get('attachment', [])
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if len(attachments) > 0:
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thumbnail = attachments[0].get('url')
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result_obj.update({'thumbnail': thumbnail})
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return result_obj
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