283 lines
12 KiB
Python
283 lines
12 KiB
Python
import itertools
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import json
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from .common import InfoExtractor
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from ..networking.exceptions import HTTPError
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from ..utils import ExtractorError, make_archive_id, parse_iso8601, remove_start
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_BASE_URL_RE = r'https?://(?:www\.|beta\.)?(?:watchnebula\.com|nebula\.app|nebula\.tv)'
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class NebulaBaseIE(InfoExtractor):
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_NETRC_MACHINE = 'watchnebula'
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_nebula_api_token = None
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_nebula_bearer_token = None
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def _perform_nebula_auth(self, username, password):
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if not username or not password:
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self.raise_login_required(method='password')
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data = json.dumps({'email': username, 'password': password}).encode('utf8')
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response = self._download_json(
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'https://api.watchnebula.com/api/v1/auth/login/',
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data=data, fatal=False, video_id=None,
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headers={
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'content-type': 'application/json',
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# Submitting the 'sessionid' cookie always causes a 403 on auth endpoint
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'cookie': ''
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},
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note='Logging in to Nebula with supplied credentials',
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errnote='Authentication failed or rejected')
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if not response or not response.get('key'):
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self.raise_login_required(method='password')
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return response['key']
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def _call_nebula_api(self, url, video_id=None, method='GET', auth_type='api', note=''):
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assert method in ('GET', 'POST',)
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assert auth_type in ('api', 'bearer',)
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def inner_call():
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authorization = f'Token {self._nebula_api_token}' if auth_type == 'api' else f'Bearer {self._nebula_bearer_token}'
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return self._download_json(
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url, video_id, note=note, headers={'Authorization': authorization},
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data=b'' if method == 'POST' else None)
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try:
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return inner_call()
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except ExtractorError as exc:
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# if 401 or 403, attempt credential re-auth and retry
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if exc.cause and isinstance(exc.cause, HTTPError) and exc.cause.status in (401, 403):
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self.to_screen(f'Reauthenticating to Nebula and retrying, because last {auth_type} call resulted in error {exc.cause.code}')
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self._perform_login()
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return inner_call()
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else:
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raise
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def _fetch_nebula_bearer_token(self):
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"""
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Get a Bearer token for the Nebula API. This will be required to fetch video meta data.
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"""
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response = self._call_nebula_api('https://api.watchnebula.com/api/v1/authorization/',
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method='POST',
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note='Authorizing to Nebula')
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return response['token']
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def _fetch_video_formats(self, slug):
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stream_info = self._call_nebula_api(f'https://content.api.nebula.app/video/{slug}/stream/',
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video_id=slug,
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auth_type='bearer',
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note='Fetching video stream info')
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manifest_url = stream_info['manifest']
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return self._extract_m3u8_formats_and_subtitles(manifest_url, slug, 'mp4')
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def _build_video_info(self, episode):
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fmts, subs = self._fetch_video_formats(episode['slug'])
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channel_slug = episode['channel_slug']
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channel_title = episode['channel_title']
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zype_id = episode.get('zype_id')
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return {
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'id': remove_start(episode['id'], 'video_episode:'),
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'display_id': episode['slug'],
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'formats': fmts,
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'subtitles': subs,
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'webpage_url': f'https://nebula.tv/{episode["slug"]}',
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'title': episode['title'],
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'description': episode['description'],
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'timestamp': parse_iso8601(episode['published_at']),
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'thumbnails': [{
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# 'id': tn.get('name'), # this appears to be null
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'url': tn['original'],
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'height': key,
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} for key, tn in episode['assets']['thumbnail'].items()],
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'duration': episode['duration'],
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'channel': channel_title,
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'channel_id': channel_slug,
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'channel_url': f'https://nebula.tv/{channel_slug}',
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'uploader': channel_title,
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'uploader_id': channel_slug,
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'uploader_url': f'https://nebula.tv/{channel_slug}',
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'series': channel_title,
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'creator': channel_title,
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'extractor_key': NebulaIE.ie_key(),
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'extractor': NebulaIE.IE_NAME,
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'_old_archive_ids': [make_archive_id(NebulaIE, zype_id)] if zype_id else None,
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}
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def _perform_login(self, username=None, password=None):
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self._nebula_api_token = self._perform_nebula_auth(username, password)
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self._nebula_bearer_token = self._fetch_nebula_bearer_token()
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class NebulaIE(NebulaBaseIE):
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_VALID_URL = rf'{_BASE_URL_RE}/videos/(?P<id>[-\w]+)'
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_TESTS = [
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{
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'url': 'https://nebula.tv/videos/that-time-disney-remade-beauty-and-the-beast',
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'md5': '14944cfee8c7beeea106320c47560efc',
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'info_dict': {
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'id': '84ed544d-4afd-4723-8cd5-2b95261f0abf',
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'ext': 'mp4',
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'title': 'That Time Disney Remade Beauty and the Beast',
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'description': 'Note: this video was originally posted on YouTube with the sponsor read included. We weren’t able to remove it without reducing video quality, so it’s presented here in its original context.',
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'upload_date': '20180731',
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'timestamp': 1533009600,
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'channel': 'Lindsay Ellis',
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'channel_id': 'lindsayellis',
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'uploader': 'Lindsay Ellis',
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'uploader_id': 'lindsayellis',
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'timestamp': 1533009600,
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'uploader_url': 'https://nebula.tv/lindsayellis',
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'series': 'Lindsay Ellis',
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'display_id': 'that-time-disney-remade-beauty-and-the-beast',
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'channel_url': 'https://nebula.tv/lindsayellis',
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'creator': 'Lindsay Ellis',
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'duration': 2212,
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'thumbnail': r're:https://\w+\.cloudfront\.net/[\w-]+\.jpeg?.*',
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},
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},
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{
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'url': 'https://nebula.tv/videos/the-logistics-of-d-day-landing-craft-how-the-allies-got-ashore',
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'md5': 'd05739cf6c38c09322422f696b569c23',
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'info_dict': {
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'id': '7e623145-1b44-4ca3-aa0b-ed25a247ea34',
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'ext': 'mp4',
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'title': 'Landing Craft - How The Allies Got Ashore',
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'description': r're:^In this episode we explore the unsung heroes of D-Day, the landing craft.',
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'upload_date': '20200327',
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'timestamp': 1585348140,
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'channel': 'Real Engineering — The Logistics of D-Day',
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'channel_id': 'd-day',
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'uploader': 'Real Engineering — The Logistics of D-Day',
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'uploader_id': 'd-day',
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'series': 'Real Engineering — The Logistics of D-Day',
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'display_id': 'the-logistics-of-d-day-landing-craft-how-the-allies-got-ashore',
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'creator': 'Real Engineering — The Logistics of D-Day',
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'duration': 841,
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'channel_url': 'https://nebula.tv/d-day',
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'uploader_url': 'https://nebula.tv/d-day',
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'thumbnail': r're:https://\w+\.cloudfront\.net/[\w-]+\.jpeg?.*',
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},
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},
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{
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'url': 'https://nebula.tv/videos/money-episode-1-the-draw',
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'md5': 'ebe28a7ad822b9ee172387d860487868',
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'info_dict': {
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'id': 'b96c5714-9e2b-4ec3-b3f1-20f6e89cc553',
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'ext': 'mp4',
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'title': 'Episode 1: The Draw',
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'description': r'contains:There’s free money on offer… if the players can all work together.',
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'upload_date': '20200323',
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'timestamp': 1584980400,
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'channel': 'Tom Scott Presents: Money',
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'channel_id': 'tom-scott-presents-money',
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'uploader': 'Tom Scott Presents: Money',
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'uploader_id': 'tom-scott-presents-money',
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'uploader_url': 'https://nebula.tv/tom-scott-presents-money',
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'duration': 825,
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'channel_url': 'https://nebula.tv/tom-scott-presents-money',
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'series': 'Tom Scott Presents: Money',
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'display_id': 'money-episode-1-the-draw',
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'thumbnail': r're:https://\w+\.cloudfront\.net/[\w-]+\.jpeg?.*',
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'creator': 'Tom Scott Presents: Money',
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},
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},
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{
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'url': 'https://watchnebula.com/videos/money-episode-1-the-draw',
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'only_matching': True,
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},
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{
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'url': 'https://beta.nebula.tv/videos/money-episode-1-the-draw',
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'only_matching': True,
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},
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]
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def _fetch_video_metadata(self, slug):
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return self._call_nebula_api(f'https://content.api.nebula.app/video/{slug}/',
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video_id=slug,
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auth_type='bearer',
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note='Fetching video meta data')
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def _real_extract(self, url):
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slug = self._match_id(url)
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video = self._fetch_video_metadata(slug)
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return self._build_video_info(video)
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class NebulaSubscriptionsIE(NebulaBaseIE):
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IE_NAME = 'nebula:subscriptions'
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_VALID_URL = rf'{_BASE_URL_RE}/myshows'
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_TESTS = [
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{
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'url': 'https://nebula.tv/myshows',
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'playlist_mincount': 1,
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'info_dict': {
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'id': 'myshows',
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},
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},
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]
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def _generate_playlist_entries(self):
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next_url = 'https://content.watchnebula.com/library/video/?page_size=100'
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page_num = 1
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while next_url:
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channel = self._call_nebula_api(next_url, 'myshows', auth_type='bearer',
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note=f'Retrieving subscriptions page {page_num}')
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for episode in channel['results']:
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yield self._build_video_info(episode)
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next_url = channel['next']
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page_num += 1
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def _real_extract(self, url):
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return self.playlist_result(self._generate_playlist_entries(), 'myshows')
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class NebulaChannelIE(NebulaBaseIE):
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IE_NAME = 'nebula:channel'
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_VALID_URL = rf'{_BASE_URL_RE}/(?!myshows|videos/)(?P<id>[-\w]+)'
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_TESTS = [
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{
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'url': 'https://nebula.tv/tom-scott-presents-money',
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'info_dict': {
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'id': 'tom-scott-presents-money',
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'title': 'Tom Scott Presents: Money',
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'description': 'Tom Scott hosts a series all about trust, negotiation and money.',
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},
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'playlist_count': 5,
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}, {
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'url': 'https://nebula.tv/lindsayellis',
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'info_dict': {
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'id': 'lindsayellis',
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'title': 'Lindsay Ellis',
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'description': 'Enjoy these hottest of takes on Disney, Transformers, and Musicals.',
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},
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'playlist_mincount': 2,
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},
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]
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def _generate_playlist_entries(self, collection_id, channel):
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episodes = channel['episodes']['results']
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for page_num in itertools.count(2):
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for episode in episodes:
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yield self._build_video_info(episode)
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next_url = channel['episodes']['next']
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if not next_url:
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break
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channel = self._call_nebula_api(next_url, collection_id, auth_type='bearer',
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note=f'Retrieving channel page {page_num}')
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episodes = channel['episodes']['results']
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def _real_extract(self, url):
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collection_id = self._match_id(url)
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channel_url = f'https://content.watchnebula.com/video/channels/{collection_id}/'
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channel = self._call_nebula_api(channel_url, collection_id, auth_type='bearer', note='Retrieving channel')
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channel_details = channel['details']
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return self.playlist_result(
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entries=self._generate_playlist_entries(collection_id, channel),
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playlist_id=collection_id,
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playlist_title=channel_details['title'],
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playlist_description=channel_details['description']
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)
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