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yt-dlp/yt_dlp/extractor/streamcz.py
Petr Vaněk 7d449fff53
[streamcz] Fix extractor (#1616)
Closes #1329, closes #1731
Authored by: arkamar, pukkandan
2022-01-11 22:26:18 +05:30

108 lines
4.2 KiB
Python

# coding: utf-8
import json
from .common import InfoExtractor
from ..utils import (
float_or_none,
int_or_none,
parse_codecs,
traverse_obj,
urljoin,
)
class StreamCZIE(InfoExtractor):
_VALID_URL = r'https?://(?:www\.)?(?:stream|televizeseznam)\.cz/[^?#]+/(?P<display_id>[^?#]+)-(?P<id>[0-9]+)'
_TESTS = [{
'url': 'https://www.televizeseznam.cz/video/lajna/buh-57953890',
'md5': '40c41ade1464a390a0b447e333df4239',
'info_dict': {
'id': '57953890',
'ext': 'mp4',
'title': 'Bůh',
'display_id': 'buh',
'description': 'md5:8f5f09b9b7bc67df910486cdd88f7165',
}
}, {
'url': 'https://www.stream.cz/tajemno/znicehonic-jim-skrz-strechu-prolitnul-zahadny-predmet-badatele-vse-objasnili-64147267',
'md5': '3ee4d0be040e8f4a543e67e509d55e3f',
'info_dict': {
'id': '64147267',
'ext': 'mp4',
'title': 'Zničehonic jim skrz střechu prolítnul záhadný předmět. Badatelé vše objasnili',
'display_id': 'znicehonic-jim-skrz-strechu-prolitnul-zahadny-predmet-badatele-vse-objasnili',
'description': 'md5:1dcb5e010eb697dedc5942f76c5b3744',
}
}]
def _extract_formats(self, spl_url, video):
for ext, pref, streams in (
('ts', -1, traverse_obj(video, ('http_stream', 'qualities'))),
('mp4', 1, video.get('mp4'))):
for format_id, stream in streams.items():
if not stream.get('url'):
continue
yield {
'format_id': f'{format_id}-{ext}',
'ext': ext,
'source_preference': pref,
'url': urljoin(spl_url, stream['url']),
'tbr': float_or_none(stream.get('bandwidth'), scale=1000),
'duration': float_or_none(stream.get('duration'), scale=1000),
'width': traverse_obj(stream, ('resolution', 0)),
'height': traverse_obj(stream, ('resolution', 1)) or int_or_none(format_id.replace('p', '')),
**parse_codecs(stream.get('codec')),
}
def _real_extract(self, url):
display_id, video_id = self._match_valid_url(url).groups()
data = self._download_json(
'https://www.televizeseznam.cz/api/graphql', video_id, 'Downloading GraphQL result',
data=json.dumps({
'variables': {'urlName': video_id},
'query': '''
query LoadEpisode($urlName : String){ episode(urlName: $urlName){ ...VideoDetailFragmentOnEpisode } }
fragment VideoDetailFragmentOnEpisode on Episode {
id
spl
urlName
name
perex
duration
views
}'''
}).encode('utf-8'),
headers={'Content-Type': 'application/json;charset=UTF-8'}
)['data']['episode']
spl_url = data['spl'] + 'spl2,3'
metadata = self._download_json(spl_url, video_id, 'Downloading playlist')
if 'Location' in metadata and 'data' not in metadata:
spl_url = metadata['Location']
metadata = self._download_json(spl_url, video_id, 'Downloading redirected playlist')
video = metadata['data']
subtitles = {}
for subs in video.get('subtitles', {}).values():
if not subs.get('language'):
continue
for ext, sub_url in subs.get('urls').items():
subtitles.setdefault(subs['language'], []).append({
'ext': ext,
'url': urljoin(spl_url, sub_url)
})
formats = list(self._extract_formats(spl_url, video))
self._sort_formats(formats)
return {
'id': video_id,
'display_id': display_id,
'title': data.get('name'),
'description': data.get('perex'),
'duration': float_or_none(data.get('duration')),
'view_count': int_or_none(data.get('views')),
'formats': formats,
'subtitles': subtitles,
}