import random import string import urllib.parse from .discoverygo import DiscoveryGoBaseIE from ..networking.exceptions import HTTPError from ..utils import ExtractorError class DiscoveryIE(DiscoveryGoBaseIE): _VALID_URL = r'''(?x)https?:// (?P go\.discovery| www\. (?: investigationdiscovery| discoverylife| animalplanet| ahctv| destinationamerica| sciencechannel| tlc )| watch\. (?: hgtv| foodnetwork| travelchannel| diynetwork| cookingchanneltv| motortrend ) )\.com/tv-shows/(?P[^/]+)/(?:video|full-episode)s/(?P[^./?#]+)''' _TESTS = [{ 'url': 'https://go.discovery.com/tv-shows/cash-cab/videos/riding-with-matthew-perry', 'info_dict': { 'id': '5a2f35ce6b66d17a5026e29e', 'ext': 'mp4', 'title': 'Riding with Matthew Perry', 'description': 'md5:a34333153e79bc4526019a5129e7f878', 'duration': 84, }, 'params': { 'skip_download': True, # requires ffmpeg }, }, { 'url': 'https://www.investigationdiscovery.com/tv-shows/final-vision/full-episodes/final-vision', 'only_matching': True, }, { 'url': 'https://go.discovery.com/tv-shows/alaskan-bush-people/videos/follow-your-own-road', 'only_matching': True, }, { # using `show_slug` is important to get the correct video data 'url': 'https://www.sciencechannel.com/tv-shows/mythbusters-on-science/full-episodes/christmas-special', 'only_matching': True, }] _GEO_COUNTRIES = ['US'] _GEO_BYPASS = False _API_BASE_URL = 'https://api.discovery.com/v1/' def _real_extract(self, url): site, show_slug, display_id = self._match_valid_url(url).groups() access_token = None cookies = self._get_cookies(url) # prefer Affiliate Auth Token over Anonymous Auth Token auth_storage_cookie = cookies.get('eosAf') or cookies.get('eosAn') if auth_storage_cookie and auth_storage_cookie.value: auth_storage = self._parse_json(urllib.parse.unquote( urllib.parse.unquote(auth_storage_cookie.value)), display_id, fatal=False) or {} access_token = auth_storage.get('a') or auth_storage.get('access_token') if not access_token: access_token = self._download_json( f'https://{site}.com/anonymous', display_id, 'Downloading token JSON metadata', query={ 'authRel': 'authorization', 'client_id': '3020a40c2356a645b4b4', 'nonce': ''.join(random.choices(string.ascii_letters, k=32)), 'redirectUri': 'https://www.discovery.com/', })['access_token'] headers = self.geo_verification_headers() headers['Authorization'] = 'Bearer ' + access_token try: video = self._download_json( self._API_BASE_URL + 'content/videos', display_id, 'Downloading content JSON metadata', headers=headers, query={ 'embed': 'show.name', 'fields': 'authenticated,description.detailed,duration,episodeNumber,id,name,parental.rating,season.number,show,tags', 'slug': display_id, 'show_slug': show_slug, })[0] video_id = video['id'] stream = self._download_json( self._API_BASE_URL + 'streaming/video/' + video_id, display_id, 'Downloading streaming JSON metadata', headers=headers) except ExtractorError as e: if isinstance(e.cause, HTTPError) and e.cause.status in (401, 403): e_description = self._parse_json( e.cause.response.read().decode(), display_id)['description'] if 'resource not available for country' in e_description: self.raise_geo_restricted(countries=self._GEO_COUNTRIES) if 'Authorized Networks' in e_description: raise ExtractorError( 'This video is only available via cable service provider subscription that' ' is not currently supported. You may want to use --cookies.', expected=True) raise ExtractorError(e_description) raise return self._extract_video_info(video, stream, display_id)