]> gitweb @ CieloNegro.org - youtube-dl.git/blob - youtube_dl/extractor/discovery.py
[ChangeLog] Actualize
[youtube-dl.git] / youtube_dl / extractor / discovery.py
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)