discovery.py (4912B)
1 from __future__ import unicode_literals 2 3 import random 4 import re 5 import string 6 7 from .discoverygo import DiscoveryGoBaseIE 8 from ..compat import compat_urllib_parse_unquote 9 from ..utils import ExtractorError 10 from ..compat import compat_HTTPError 11 12 13 class DiscoveryIE(DiscoveryGoBaseIE): 14 _VALID_URL = r'''(?x)https?:// 15 (?P<site> 16 go\.discovery| 17 www\. 18 (?: 19 investigationdiscovery| 20 discoverylife| 21 animalplanet| 22 ahctv| 23 destinationamerica| 24 sciencechannel| 25 tlc 26 )| 27 watch\. 28 (?: 29 hgtv| 30 foodnetwork| 31 travelchannel| 32 diynetwork| 33 cookingchanneltv| 34 motortrend 35 ) 36 )\.com/tv-shows/(?P<show_slug>[^/]+)/(?:video|full-episode)s/(?P<id>[^./?#]+)''' 37 _TESTS = [{ 38 'url': 'https://go.discovery.com/tv-shows/cash-cab/videos/riding-with-matthew-perry', 39 'info_dict': { 40 'id': '5a2f35ce6b66d17a5026e29e', 41 'ext': 'mp4', 42 'title': 'Riding with Matthew Perry', 43 'description': 'md5:a34333153e79bc4526019a5129e7f878', 44 'duration': 84, 45 }, 46 'params': { 47 'skip_download': True, # requires ffmpeg 48 } 49 }, { 50 'url': 'https://www.investigationdiscovery.com/tv-shows/final-vision/full-episodes/final-vision', 51 'only_matching': True, 52 }, { 53 'url': 'https://go.discovery.com/tv-shows/alaskan-bush-people/videos/follow-your-own-road', 54 'only_matching': True, 55 }, { 56 # using `show_slug` is important to get the correct video data 57 'url': 'https://www.sciencechannel.com/tv-shows/mythbusters-on-science/full-episodes/christmas-special', 58 'only_matching': True, 59 }] 60 _GEO_COUNTRIES = ['US'] 61 _GEO_BYPASS = False 62 _API_BASE_URL = 'https://api.discovery.com/v1/' 63 64 def _real_extract(self, url): 65 site, show_slug, display_id = re.match(self._VALID_URL, url).groups() 66 67 access_token = None 68 cookies = self._get_cookies(url) 69 70 # prefer Affiliate Auth Token over Anonymous Auth Token 71 auth_storage_cookie = cookies.get('eosAf') or cookies.get('eosAn') 72 if auth_storage_cookie and auth_storage_cookie.value: 73 auth_storage = self._parse_json(compat_urllib_parse_unquote( 74 compat_urllib_parse_unquote(auth_storage_cookie.value)), 75 display_id, fatal=False) or {} 76 access_token = auth_storage.get('a') or auth_storage.get('access_token') 77 78 if not access_token: 79 access_token = self._download_json( 80 'https://%s.com/anonymous' % site, display_id, 81 'Downloading token JSON metadata', query={ 82 'authRel': 'authorization', 83 'client_id': '3020a40c2356a645b4b4', 84 'nonce': ''.join([random.choice(string.ascii_letters) for _ in range(32)]), 85 'redirectUri': 'https://www.discovery.com/', 86 })['access_token'] 87 88 headers = self.geo_verification_headers() 89 headers['Authorization'] = 'Bearer ' + access_token 90 91 try: 92 video = self._download_json( 93 self._API_BASE_URL + 'content/videos', 94 display_id, 'Downloading content JSON metadata', 95 headers=headers, query={ 96 'embed': 'show.name', 97 'fields': 'authenticated,description.detailed,duration,episodeNumber,id,name,parental.rating,season.number,show,tags', 98 'slug': display_id, 99 'show_slug': show_slug, 100 })[0] 101 video_id = video['id'] 102 stream = self._download_json( 103 self._API_BASE_URL + 'streaming/video/' + video_id, 104 display_id, 'Downloading streaming JSON metadata', headers=headers) 105 except ExtractorError as e: 106 if isinstance(e.cause, compat_HTTPError) and e.cause.code in (401, 403): 107 e_description = self._parse_json( 108 e.cause.read().decode(), display_id)['description'] 109 if 'resource not available for country' in e_description: 110 self.raise_geo_restricted(countries=self._GEO_COUNTRIES) 111 if 'Authorized Networks' in e_description: 112 raise ExtractorError( 113 'This video is only available via cable service provider subscription that' 114 ' is not currently supported. You may want to use --cookies.', expected=True) 115 raise ExtractorError(e_description) 116 raise 117 118 return self._extract_video_info(video, stream, display_id)