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Code Issues Releases Wiki Activity

[twitch:vod] Switch to GraphQL for video metadata

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Sergey M․ 2021-01-06 03:33:45 +07:00
parent 1ae7ae0b96
commit 799c794947
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1 changed files with 41 additions and 2 deletions
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43
youtube_dl/extractor/twitch.py
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@ -171,6 +171,7 @@ class TwitchGraphQLBaseIE(TwitchBaseIE):
'StreamMetadata': '1c719a40e481453e5c48d9bb585d971b8b372f8ebb105b17076722264dfa5b3e',
'ComscoreStreamingQuery': 'e1edae8122517d013405f237ffcc124515dc6ded82480a88daef69c83b53ac01',
'VideoPreviewOverlay': '3006e77e51b128d838fa4e835723ca4dc9a05c5efd4466c1085215c6e437e65c',
'VideoMetadata': '226edb3e692509f727fd56821f5653c05740242c82b0388883e0c0e75dcbf687',
}
def _download_base_gql(self, video_id, ops, note, fatal=True):
@ -234,7 +235,7 @@ class TwitchVodIE(TwitchGraphQLBaseIE):
'title': 'LCK Summer Split - Week 6 Day 1',
'thumbnail': r're:^https?://.*\.jpg$',
'duration': 17208,
'timestamp': 1435131709,
'timestamp': 1435131734,
'upload_date': '20150624',
'uploader': 'Riot Games',
'uploader_id': 'riotgames',
@ -288,6 +289,22 @@ class TwitchVodIE(TwitchGraphQLBaseIE):
'kraken/videos/%s' % item_id, item_id,
'Downloading video info JSON'))
def _download_info_gql(self, item_id):
data = self._download_gql(
item_id, [{
'operationName': 'VideoMetadata',
'variables': {
'channelLogin': '',
'videoID': item_id,
},
}],
'Downloading stream metadata GraphQL')[0]['data']
video = data.get('video')
if video is None:
raise ExtractorError(
'Video %s does not exist' % item_id, expected=True)
return self._extract_info_gql(video, item_id)
@staticmethod
def _extract_info(info):
status = info.get('status')
@ -325,10 +342,32 @@ class TwitchVodIE(TwitchGraphQLBaseIE):
'is_live': is_live,
}
@staticmethod
def _extract_info_gql(info, item_id):
vod_id = info.get('id') or item_id
# id backward compatibility for download archives
if vod_id[0] != 'v':
vod_id = 'v%s' % vod_id
thumbnail = url_or_none(info.get('previewThumbnailURL'))
if thumbnail:
for p in ('width', 'height'):
thumbnail = thumbnail.replace('{%s}' % p, '0')
return {
'id': vod_id,
'title': info.get('title') or 'Untitled Broadcast',
'description': info.get('description'),
'duration': int_or_none(info.get('lengthSeconds')),
'thumbnail': thumbnail,
'uploader': try_get(info, lambda x: x['owner']['displayName'], compat_str),
'uploader_id': try_get(info, lambda x: x['owner']['login'], compat_str),
'timestamp': unified_timestamp(info.get('publishedAt')),
'view_count': int_or_none(info.get('viewCount')),
}
def _real_extract(self, url):
vod_id = self._match_id(url)
info = self._download_info(vod_id)
info = self._download_info_gql(vod_id)
access_token = self._download_access_token_gql(vod_id, 'video', 'id')
formats = self._extract_m3u8_formats(