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https://github.com/ytdl-org/youtube-dl
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[twitch] Switch streams to GraphQL and refactor (closes #26535)
This commit is contained in:
Sergey M․
parent
82ef02e936
commit
defc820b70
@ -24,7 +24,6 @@ from ..utils import (
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parse_duration,
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parse_iso8601,
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qualities,
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str_or_none,
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try_get,
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unified_timestamp,
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update_url_query,
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@ -337,19 +336,27 @@ def _make_video_result(node):
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class TwitchGraphQLBaseIE(TwitchBaseIE):
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_PAGE_LIMIT = 100
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def _download_gql(self, video_id, op, variables, sha256_hash, note, fatal=True):
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_OPERATION_HASHES = {
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'CollectionSideBar': '27111f1b382effad0b6def325caef1909c733fe6a4fbabf54f8d491ef2cf2f14',
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'FilterableVideoTower_Videos': 'a937f1d22e269e39a03b509f65a7490f9fc247d7f83d6ac1421523e3b68042cb',
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'ClipsCards__User': 'b73ad2bfaecfd30a9e6c28fada15bd97032c83ec77a0440766a56fe0bd632777',
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'ChannelCollectionsContent': '07e3691a1bad77a36aba590c351180439a40baefc1c275356f40fc7082419a84',
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'StreamMetadata': '1c719a40e481453e5c48d9bb585d971b8b372f8ebb105b17076722264dfa5b3e',
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'ComscoreStreamingQuery': 'e1edae8122517d013405f237ffcc124515dc6ded82480a88daef69c83b53ac01',
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'VideoPreviewOverlay': '3006e77e51b128d838fa4e835723ca4dc9a05c5efd4466c1085215c6e437e65c',
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}
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def _download_gql(self, video_id, ops, note, fatal=True):
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for op in ops:
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op['extensions'] = {
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'persistedQuery': {
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'version': 1,
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'sha256Hash': self._OPERATION_HASHES[op['operationName']],
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}
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}
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return self._download_json(
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'https://gql.twitch.tv/gql', video_id, note,
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data=json.dumps({
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'operationName': op,
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'variables': variables,
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'extensions': {
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'persistedQuery': {
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'version': 1,
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'sha256Hash': sha256_hash,
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}
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}
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}).encode(),
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data=json.dumps(ops).encode(),
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headers={
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'Content-Type': 'text/plain;charset=UTF-8',
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'Client-ID': self._CLIENT_ID,
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@ -369,14 +376,15 @@ class TwitchCollectionIE(TwitchGraphQLBaseIE):
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}]
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_OPERATION_NAME = 'CollectionSideBar'
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_SHA256_HASH = '27111f1b382effad0b6def325caef1909c733fe6a4fbabf54f8d491ef2cf2f14'
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def _real_extract(self, url):
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collection_id = self._match_id(url)
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collection = self._download_gql(
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collection_id, self._OPERATION_NAME,
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{'collectionID': collection_id}, self._SHA256_HASH,
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'Downloading collection GraphQL')['data']['collection']
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collection_id, [{
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'operationName': self._OPERATION_NAME,
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'variables': {'collectionID': collection_id},
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}],
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'Downloading collection GraphQL')[0]['data']['collection']
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title = collection.get('title')
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entries = []
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for edge in collection['items']['edges']:
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@ -403,14 +411,16 @@ class TwitchPlaylistBaseIE(TwitchGraphQLBaseIE):
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if cursor:
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variables['cursor'] = cursor
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page = self._download_gql(
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channel_name, self._OPERATION_NAME, variables,
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self._SHA256_HASH,
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channel_name, [{
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'operationName': self._OPERATION_NAME,
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'variables': variables,
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}],
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'Downloading %ss GraphQL page %s' % (self._NODE_KIND, page_num),
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fatal=False)
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if not page:
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break
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edges = try_get(
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page, lambda x: x['data']['user'][entries_key]['edges'], list)
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page, lambda x: x[0]['data']['user'][entries_key]['edges'], list)
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if not edges:
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break
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for edge in edges:
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@ -553,7 +563,6 @@ class TwitchVideosIE(TwitchPlaylistBaseIE):
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'views': 'Popular',
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}
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_SHA256_HASH = 'a937f1d22e269e39a03b509f65a7490f9fc247d7f83d6ac1421523e3b68042cb'
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_OPERATION_NAME = 'FilterableVideoTower_Videos'
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_ENTRY_KIND = 'video'
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_EDGE_KIND = 'VideoEdge'
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@ -622,7 +631,6 @@ class TwitchVideosClipsIE(TwitchPlaylistBaseIE):
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# NB: values other than 20 result in skipped videos
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_PAGE_LIMIT = 20
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_SHA256_HASH = 'b73ad2bfaecfd30a9e6c28fada15bd97032c83ec77a0440766a56fe0bd632777'
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_OPERATION_NAME = 'ClipsCards__User'
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_ENTRY_KIND = 'clip'
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_EDGE_KIND = 'ClipEdge'
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@ -680,7 +688,6 @@ class TwitchVideosCollectionsIE(TwitchPlaylistBaseIE):
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'playlist_mincount': 3,
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}]
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_SHA256_HASH = '07e3691a1bad77a36aba590c351180439a40baefc1c275356f40fc7082419a84'
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_OPERATION_NAME = 'ChannelCollectionsContent'
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_ENTRY_KIND = 'collection'
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_EDGE_KIND = 'CollectionsItemEdge'
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@ -717,7 +724,7 @@ class TwitchVideosCollectionsIE(TwitchPlaylistBaseIE):
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playlist_title='%s - Collections' % channel_name)
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class TwitchStreamIE(TwitchBaseIE):
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class TwitchStreamIE(TwitchGraphQLBaseIE):
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IE_NAME = 'twitch:stream'
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_VALID_URL = r'''(?x)
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https?://
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@ -774,28 +781,43 @@ class TwitchStreamIE(TwitchBaseIE):
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else super(TwitchStreamIE, cls).suitable(url))
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def _real_extract(self, url):
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channel_name = self._match_id(url)
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channel_name = self._match_id(url).lower()
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access_token = self._download_access_token(channel_name)
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gql = self._download_gql(
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channel_name, [{
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'operationName': 'StreamMetadata',
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'variables': {'channelLogin': channel_name},
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}, {
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'operationName': 'ComscoreStreamingQuery',
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'variables': {
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'channel': channel_name,
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'clipSlug': '',
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'isClip': False,
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'isLive': True,
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'isVodOrCollection': False,
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'vodID': '',
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},
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}, {
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'operationName': 'VideoPreviewOverlay',
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'variables': {'login': channel_name},
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}],
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'Downloading stream GraphQL')
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token = access_token['token']
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channel_id = self._extract_channel_id(token, channel_name)
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user = gql[0]['data']['user']
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stream = self._call_api(
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'kraken/streams/%s?stream_type=all' % channel_id,
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channel_id, 'Downloading stream JSON').get('stream')
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if not user:
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raise ExtractorError(
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'%s does not exist' % channel_name, expected=True)
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stream = user['stream']
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if not stream:
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raise ExtractorError('%s is offline' % channel_id, expected=True)
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raise ExtractorError('%s is offline' % channel_name, expected=True)
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# Channel name may be typed if different case than the original channel name
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# (e.g. http://www.twitch.tv/TWITCHPLAYSPOKEMON) that will lead to constructing
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# an invalid m3u8 URL. Working around by use of original channel name from stream
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# JSON and fallback to lowercase if it's not available.
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channel_name = try_get(
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stream, lambda x: x['channel']['name'],
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compat_str) or channel_name.lower()
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access_token = self._download_access_token(channel_name)
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token = access_token['token']
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stream_id = stream.get('id') or channel_name
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query = {
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'allow_source': 'true',
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'allow_audio_only': 'true',
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@ -808,41 +830,39 @@ class TwitchStreamIE(TwitchBaseIE):
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'token': token.encode('utf-8'),
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}
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formats = self._extract_m3u8_formats(
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'%s/api/channel/hls/%s.m3u8?%s'
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% (self._USHER_BASE, channel_name, compat_urllib_parse_urlencode(query)),
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channel_id, 'mp4')
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'%s/api/channel/hls/%s.m3u8' % (self._USHER_BASE, channel_name),
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stream_id, 'mp4', query=query)
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self._prefer_source(formats)
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view_count = stream.get('viewers')
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timestamp = parse_iso8601(stream.get('created_at'))
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timestamp = unified_timestamp(stream.get('createdAt'))
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channel = stream['channel']
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title = self._live_title(channel.get('display_name') or channel.get('name'))
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description = channel.get('status')
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sq_user = try_get(gql, lambda x: x[1]['data']['user'], dict) or {}
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uploader = sq_user.get('displayName')
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description = try_get(
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sq_user, lambda x: x['broadcastSettings']['title'], compat_str)
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thumbnails = []
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for thumbnail_key, thumbnail_url in stream['preview'].items():
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m = re.search(r'(?P<width>\d+)x(?P<height>\d+)\.jpg$', thumbnail_key)
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if not m:
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continue
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thumbnails.append({
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'url': thumbnail_url,
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'width': int(m.group('width')),
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'height': int(m.group('height')),
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})
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thumbnail = url_or_none(try_get(
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gql, lambda x: x[2]['data']['user']['stream']['previewImageURL'],
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compat_str))
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title = uploader or channel_name
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stream_type = stream.get('type')
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if stream_type in ['rerun', 'live']:
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title += ' (%s)' % stream_type
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return {
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'id': str_or_none(stream.get('_id')) or channel_id,
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'id': stream_id,
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'display_id': channel_name,
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'title': title,
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'title': self._live_title(title),
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'description': description,
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'thumbnails': thumbnails,
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'uploader': channel.get('display_name'),
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'uploader_id': channel.get('name'),
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'thumbnail': thumbnail,
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'uploader': uploader,
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'uploader_id': channel_name,
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'timestamp': timestamp,
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'view_count': view_count,
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'formats': formats,
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'is_live': True,
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'is_live': stream_type == 'live',
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}
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