Merge 5e7738a0df into 668332b973
This commit is contained in:
Nick Lai
GitHub
commit
2383b69870
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@ -688,6 +688,10 @@ from .metacritic import MetacriticIE
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from .mgoon import MgoonIE
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from .mgtv import MGTVIE
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from .miaopai import MiaoPaiIE
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from .microsoftstream import (
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MicrosoftStreamIE,
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MicrosoftStreamChannelIE
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)
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from .microsoftvirtualacademy import (
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MicrosoftVirtualAcademyIE,
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MicrosoftVirtualAcademyCourseIE,
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@ -0,0 +1,317 @@
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# coding: utf-8
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from __future__ import unicode_literals
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from .common import InfoExtractor
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from ..utils import (ExtractorError, update_url_query, merge_dicts)
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class MicrosoftStreamBaseIE(InfoExtractor):
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_LOGIN_URL = 'https://web.microsoftstream.com/?noSignUpCheck=1' # expect redirection
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_ACCESS_TOKEN = None # A JWT token
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_API_GATEWAY = None
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def is_logged_in(self, webpage):
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"""
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This test is based on the fact that Microsoft Stream will redirect unauthenticated users
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"""
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return '<title>Microsoft Stream</title>' in webpage
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def _real_initialize(self):
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username, password = self._get_login_info()
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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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"""
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Common getters
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"""
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@property
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def api_gateway(self):
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"""
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Return the start of an API endoint, like "https://aaea-1.api.microsoftstream.com/api/"
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"""
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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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@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 headers(self):
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return {'Authorization': 'Bearer %s' % self.access_token}
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"""
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Utils function
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"""
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def _determine_protocol(self, mime):
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"""
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A switch board for the MIME type provided from the API endpoint.
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"""
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if mime in ['application/dash+xml']:
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return 'http_dash_segments'
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elif mime in ['application/vnd.apple.mpegurl']:
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return 'm3u8'
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else:
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return None
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"""
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Remapper
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Remap data into correct field
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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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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, video_id=None):
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"""
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A parser for the HLS and MPD playlists from the API endpoint.
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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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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=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=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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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 _remap_subtitle(self, tracks, video_id, 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=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 _remap_video(self, video):
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return {
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'id': video['id'],
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'title': video['name'],
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'description': video.get('description'),
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'uploader': video.get('creator').get('name'),
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'thumbnails': self._remap_thumbnails(video.get('posterImage') or []),
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'formats': self._remap_playback(video['playbackUrls'], video_id=video['id']),
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'is_live': False
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}
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"""
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Formatter
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"""
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def _format_texttrack_endpoint(self, video_id):
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return "%s/videos/%s/texttracks?api-version=1.4-private" % (self.api_gateway, video_id)
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def _request_texttracks(self, video_id):
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"""
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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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self._TEXTTRACKS_RESPONSE = self._download_json(self._format_texttrack_endpoint(video_id), video_id, headers=self.headers).get('value')
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return self._TEXTTRACKS_RESPONSE
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class MicrosoftStreamIE(MicrosoftStreamBaseIE):
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"""
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Extractor for 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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_TEXTTRACKS_RESPONSE = None
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_VIDEO_ID = None
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_TESTS = [{
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'url': 'https://web.microsoftstream.com/video/c883c6a5-9895-4900-9a35-62f4b5d506c9',
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'info_dict': {
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'id': 'c883c6a5-9895-4900-9a35-62f4b5d506c9',
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'ext': 'mp4',
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'title': 'Webinar for Researchers: Use of GitLab',
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'thumbnail': r're:^https?://.*$'
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},
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'skip': 'Requires Microsoft 365 account credentials',
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}, {
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'url': 'https://www.microsoftstream.com/video/1541f3f9-7fed-4901-ae70-0f7cb775679f',
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'only_matching': True,
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}]
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"""
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Getters
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The following getters include helpful message to prompt developers for potential errors.
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"""
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@property
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def video_id(self):
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if self._VIDEO_ID is None:
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raise('Variable "_VIDEO_ID" is not defined. Did you make the main extraction call?')
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return self._VIDEO_ID
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@property
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def media_info_endpoint(self):
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return "%s/videos/%s?$expand=creator,tokens,status,liveEvent,extensions&api-version=1.4-private" % (self.api_gateway, self.video_id)
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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._remap_subtitle(tracks, is_auto_generated=False, video_id=self.video_id)
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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._remap_subtitle(tracks, is_auto_generated=True, video_id=self.video_id)
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def _real_extract(self, url):
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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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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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video = self._download_json(self.media_info_endpoint, self.video_id, headers=self.headers)
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texttracks = self._request_texttracks(self.video_id)
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return merge_dicts(self._remap_video(video), {
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'subtitles': self._get_subtitles(texttracks),
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'automatic_captions': self._get_automatic_captions(texttracks),
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})
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class MicrosoftStreamChannelIE(MicrosoftStreamBaseIE):
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"""
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Extractor for single channel of Microsoft Stream video
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"""
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IE_NAME = 'microsoftstream:channel'
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_VALID_URL = r'https?://(?:(?:web|www)\.)?microsoftstream\.com/channel/(?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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_CHANNEL_ID = None
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_TESTS = [{
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'url': 'https://web.microsoftstream.com/channel/c883c6a5-9895-4900-9a35-62f4b5d506c9',
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'only_matching': True,
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}, {
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'url': 'https://www.microsoftstream.com/channel/0ceffe58-07b1-4098-8ed9-a15f4e8231f7',
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'only_matching': True,
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}]
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def _format_channel_video_endpoint(self, skip=0, top=100):
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parameters = {
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'$top': top,
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'$skip': skip,
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'$expand': 'creator,events',
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'$orderby': 'created asc',
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'api-version': '1.4-private'
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}
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return update_url_query('%schannels/%s/videos' % (self.api_gateway, self._CHANNEL_ID), parameters)
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def _iterate_video(self, video):
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subtitle_dict = {}
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if (self._downloader.params.get('writesubtitles', False)
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or self._downloader.params.get('writeautomaticsub', False)
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or self._downloader.params.get('listsubtitles')):
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texttracks = self._request_texttracks(video['id'])
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if (self._downloader.params.get('writesubtitles', False)
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or self._downloader.params.get('listsubtitles')):
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subtitle_dict['subtitles'] = self._remap_subtitle(texttracks, video_id=video['id'], is_auto_generated=False)
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if (self._downloader.params.get('writeautomaticsub', False)
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or self._downloader.params.get('listsubtitles')):
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subtitle_dict['automatic_captions'] = self._remap_subtitle(texttracks, video_id=video['id'], is_auto_generated=False)
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return merge_dicts(self._remap_video(video), subtitle_dict)
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def _fetch_video(self):
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found_all_video = False
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current_skip = 0
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top = 100
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all_video = []
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while found_all_video is False:
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video_info_endpoint = self._format_channel_video_endpoint(current_skip, top)
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channel_video_subset = self._download_json(video_info_endpoint, self._CHANNEL_ID, headers=self.headers)['value']
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for video in channel_video_subset:
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all_video.append(self._iterate_video(video)) # Remap the video
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found_all_video = bool(len(channel_video_subset) < top) # Break out from the iteration if all content is downloaded.
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current_skip += top # Adjust starting position
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return all_video
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def _real_extract(self, url):
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self._CHANNEL_ID = self._match_id(url)
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webpage = self._download_webpage(url, self._CHANNEL_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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self._extract_access_token(webpage)
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self._extract_api_gateway(webpage)
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entries = self._fetch_video()
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return {'_type': 'playlist',
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'entries': entries}
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