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https://codeberg.org/polarisfm/youtube-dl
synced 2024-11-26 02:14:32 +01:00
[MicrosoftStream] Fixed code style and refactor
This commit is contained in:
Nick Lai
parent
05698ebf9b
commit
5416301787
@ -17,11 +17,36 @@ class MicrosoftStreamBaseIE(InfoExtractor):
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if username is not None or password is not None:
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raise ExtractorError('MicrosoftStream Extractor does not support username/password log-in at the moment. Please use cookies log-in instead. See https://github.com/ytdl-org/youtube-dl/blob/master/README.md#how-do-i-pass-cookies-to-youtube-dl for more information')
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"""
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Extraction Helper
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"""
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def _extract_access_token(self, webpage):
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"""
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Extract the JWT access token with Regex
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"""
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self._ACCESS_TOKEN = self._html_search_regex(r"\"AccessToken\":\"(?P<AccessToken>.+?)\"", webpage, 'AccessToken')
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return self._ACCESS_TOKEN
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def _extract_api_gateway(self, webpage):
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"""
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Extract the API gateway with Regex
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"""
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self._API_GATEWAY = self._html_search_regex(r"\"ApiGatewayUri\":\"(?P<APIGateway>.+?)\"", webpage, 'APIGateway')
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return self._API_GATEWAY
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class MicrosoftStreamIE(MicrosoftStreamBaseIE):
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"""
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Extract of single Microsoft Stream video
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"""
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IE_NAME = 'microsoftstream'
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_VALID_URL = r'https?://(?:(?:web|www)\.)?microsoftstream\.com/video/(?P<id>[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12})' # https://regex101.com/r/K1mlgK/1/
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_NETRC_MACHINE = 'microsoftstream'
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_ACCESS_TOKEN = None # A JWT token
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_API_GATEWAY = None
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_TEXTTRACKS_RESPONSE = None
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_VIDEO_ID = None
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_TEST = {
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'url': 'https://web.microsoftstream.com/video/c883c6a5-9895-4900-9a35-62f4b5d506c9',
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@ -33,42 +58,49 @@ class MicrosoftStreamIE(MicrosoftStreamBaseIE):
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}
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}
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def _remap_thumbnails(self, thumbnail_dict_list):
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output = []
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preference_index = ['extraSmall', 'small', 'medium', 'large']
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"""
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Getters
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for _, key in enumerate(thumbnail_dict_list):
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output.append({
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'preference': preference_index.index(key),
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'url': thumbnail_dict_list[key]['url']
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})
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return output
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The following getters include helpful message to prompt developers for potential errors.
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"""
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@property
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def api_gateway(self):
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if self._API_GATEWAY is None:
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raise ExtractorError('API gateway is None. Did you forget to call "_extract_api_gateway"?')
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return self._API_GATEWAY
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def _remap_playback(self, master_playlist_urls, video_id, http_headers={}):
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@property
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def access_token(self):
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if self._ACCESS_TOKEN is None:
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raise ExtractorError('Access token is None. Did you forget to call "_extract_access_token"?')
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return self._ACCESS_TOKEN
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@property
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def video_id(self):
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if self._VIDEO_ID is None:
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raise('Variable "_VIDEO_ID" is not defined. Did you make the main extraction call?')
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return self._VIDEO_ID
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@property
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def headers(self):
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return {'Authorization': 'Bearer %s' % self.access_token}
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@property
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def texttrack_info_endpoint(self):
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return "%s/videos/%s/texttracks?api-version=1.3-private" % (self.api_gateway, self.video_id)
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@property
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def media_info_endpoint(self):
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return "%s/videos/%s?$expand=creator,tokens,status,liveEvent,extensions&api-version=1.3-private" % (self.api_gateway, self.video_id)
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def _request_texttracks(self):
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"""
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A parser for the HLS and MPD playlists from the API endpoint.
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Make an additional request to Microsoft Stream for the subtitle and auto-caption
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"""
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output = []
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for master_playlist_url in master_playlist_urls:
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# Handle HLS Master playlist
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if self._determine_protocol(master_playlist_url['mimeType']) == 'm3u8':
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varient_playlists = self._extract_m3u8_formats(master_playlist_url['playbackUrl'], video_id, headers=http_headers)
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# For MPEG-DASH Master playlists
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elif self._determine_protocol(master_playlist_url['mimeType']) == 'http_dash_segments':
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varient_playlists = self._extract_mpd_formats(master_playlist_url['playbackUrl'], video_id, headers=http_headers)
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else:
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self.to_screen('Found unresolvable stream with format %s' % master_playlist_url['mimeType'])
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continue
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# Patching the "Authorization" header
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for varient_playlist in varient_playlists:
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varient_playlist['http_headers'] = http_headers
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output.append(varient_playlist)
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return output
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# Map default variable
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self._TEXTTRACKS_RESPONSE = self._download_json(self.texttrack_info_endpoint, self.video_id, headers=self.headers)['value']
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return self._TEXTTRACKS_RESPONSE
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def _determine_protocol(self, mime):
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"""
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@ -81,53 +113,100 @@ class MicrosoftStreamIE(MicrosoftStreamBaseIE):
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else:
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return None
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def _remap_texttracks(self, tracks):
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def _remap_thumbnails(self, thumbnail_dict_list):
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output = []
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preference_index = ['extraSmall', 'small', 'medium', 'large']
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for _, key in enumerate(thumbnail_dict_list):
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output.append({
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'preference': preference_index.index(key),
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'url': thumbnail_dict_list.get(key).get('url')
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})
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return output
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def _remap_playback(self, master_playlist_urls):
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"""
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A parser for the texttracks response.
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A parser for the HLS and MPD playlists from the API endpoint.
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"""
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subtitle = {}
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automatic_captions = {}
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for track in tracks:
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if track['autoGenerated'] is True:
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if track['language'] not in automatic_captions:
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automatic_captions[track['language']] = []
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automatic_captions[track['language']].append({'url': track['url']})
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output = []
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for master_playlist_url in master_playlist_urls:
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protocol = self._determine_protocol(master_playlist_url['mimeType'])
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# Handle HLS Master playlist
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if protocol == 'm3u8':
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varient_playlists = self._extract_m3u8_formats(master_playlist_url['playbackUrl'], video_id=self.video_id, headers=self.headers)
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# For MPEG-DASH Master playlists
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elif protocol == 'http_dash_segments':
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varient_playlists = self._extract_mpd_formats(master_playlist_url['playbackUrl'], video_id=self.video_id, headers=self.headers)
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# For other Master playlists (like Microsoft Smooth Streaming)
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else:
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if track['language'] not in subtitle:
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subtitle[track['language']] = []
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subtitle[track['language']].append({'url': track['url']})
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return (subtitle, automatic_captions)
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self.to_screen('Found unresolvable stream with format %s' % master_playlist_url['mimeType'])
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continue
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# Patching the "Authorization" header
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for varient_playlist in varient_playlists:
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varient_playlist['http_headers'] = self.headers
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output.append(varient_playlist)
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return output
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def _extract_subtitle(self, tracks, is_auto_generated):
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"""
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An internal method for filtering and remapping text tracks
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"""
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if type(is_auto_generated) is not bool:
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raise ExtractorError('Unexpected variable "is_auto_generated" type: must be a Boolean')
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subtitle_subset = {}
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for track in tracks:
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track_language = track.get('language') # The track language must have a language code.
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if track.get('autoGenerated') is is_auto_generated:
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if track_language not in subtitle_subset:
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subtitle_subset[track_language] = [] # Scaffold an empty list for the object to insert into
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# Since the subtitle is token protected, a get request will fire here.
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data = self._download_webpage(url_or_request=track.get('url'), video_id=self.video_id, headers=self.headers)
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subtitle_subset[track_language].append({'data': data, "ext": "vtt"})
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return subtitle_subset
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def _get_subtitles(self, tracks=None): # Fulfill abstract method
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tracks = self._TEXTTRACKS_RESPONSE if tracks is None else tracks
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return self._extract_subtitle(tracks, False)
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def _get_automatic_captions(self, tracks=None): # Fulfill abstract method
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tracks = self._TEXTTRACKS_RESPONSE if tracks is None else tracks
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return self._extract_subtitle(tracks, True)
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def _real_extract(self, url):
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video_id = self._match_id(url)
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webpage = self._download_webpage(url, video_id)
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self._VIDEO_ID = self._match_id(url)
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webpage = self._download_webpage(url, self.video_id)
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if not self.is_logged_in(webpage):
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return self.raise_login_required()
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# Extract access token from webpage
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accessToken = self._html_search_regex(r"\"AccessToken\":\"(?P<AccessToken>.+?)\"", webpage, 'AccessToken')
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apiGateway = self._html_search_regex(r"\"ApiGatewayUri\":\"(?P<APIGateway>.+?)\"", webpage, 'APIGateway')
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headers = {'Authorization': 'Bearer %s' % accessToken}
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self._extract_access_token(webpage)
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self._extract_api_gateway(webpage)
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# "GET" api for video information
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apiUri = "%s/videos/%s?$expand=creator,tokens,status,liveEvent,extensions&api-version=1.3-private" % (apiGateway, video_id)
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apiCall = self._download_json(apiUri, video_id, headers=headers)
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apiUri = self.media_info_endpoint
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apiCall = self._download_json(apiUri, self.video_id, headers=self.headers)
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# "GET" api for subtitles and auto-captions
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texttracksUri = "%s/videos/%s/texttracks?api-version=1.3-private" % (apiGateway, video_id)
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texttracksCall = self._download_json(texttracksUri, video_id, headers=headers)['value']
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subtitles, automatic_captions = self._remap_texttracks(texttracksCall)
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texttracks = self._request_texttracks()
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return {
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'id': video_id,
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'id': self.video_id,
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'title': apiCall['name'],
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'description': apiCall['description'],
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'uploader': apiCall['creator']['name'],
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'thumbnails': self._remap_thumbnails(apiCall['posterImage']),
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'formats': self._remap_playback(apiCall['playbackUrls'], video_id, http_headers=headers),
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'subtitles': subtitles,
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'automatic_captions': automatic_captions,
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'description': apiCall.get('description'),
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'uploader': apiCall.get('creator').get('name'),
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'thumbnails': self._remap_thumbnails(apiCall.get('posterImage')),
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'formats': self._remap_playback(apiCall['playbackUrls']),
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'subtitles': self._get_subtitles(texttracks),
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'automatic_captions': self._get_automatic_captions(texttracks),
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'is_live': False,
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# 'duration': apiCall['media']['duration'],
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}
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