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[youtubedl] / youtube_dl / extractor / discoverygo.py
1 from __future__ import unicode_literals
2
3 import re
4
5 from .common import InfoExtractor
6 from ..utils import (
7 determine_ext,
8 extract_attributes,
9 ExtractorError,
10 int_or_none,
11 parse_age_limit,
12 remove_end,
13 unescapeHTML,
14 url_or_none,
15 )
16
17
18 class DiscoveryGoBaseIE(InfoExtractor):
19 _VALID_URL_TEMPLATE = r'''(?x)https?://(?:www\.)?(?:
20 discovery|
21 investigationdiscovery|
22 discoverylife|
23 animalplanet|
24 ahctv|
25 destinationamerica|
26 sciencechannel|
27 tlc|
28 velocitychannel
29 )go\.com/%s(?P<id>[^/?#&]+)'''
30
31 def _extract_video_info(self, video, stream, display_id):
32 title = video['name']
33
34 if not stream:
35 if video.get('authenticated') is True:
36 raise ExtractorError(
37 'This video is only available via cable service provider subscription that'
38 ' is not currently supported. You may want to use --cookies.', expected=True)
39 else:
40 raise ExtractorError('Unable to find stream')
41 STREAM_URL_SUFFIX = 'streamUrl'
42 formats = []
43 for stream_kind in ('', 'hds'):
44 suffix = STREAM_URL_SUFFIX.capitalize() if stream_kind else STREAM_URL_SUFFIX
45 stream_url = stream.get('%s%s' % (stream_kind, suffix))
46 if not stream_url:
47 continue
48 if stream_kind == '':
49 formats.extend(self._extract_m3u8_formats(
50 stream_url, display_id, 'mp4', entry_protocol='m3u8_native',
51 m3u8_id='hls', fatal=False))
52 elif stream_kind == 'hds':
53 formats.extend(self._extract_f4m_formats(
54 stream_url, display_id, f4m_id=stream_kind, fatal=False))
55 self._sort_formats(formats)
56
57 video_id = video.get('id') or display_id
58 description = video.get('description', {}).get('detailed')
59 duration = int_or_none(video.get('duration'))
60
61 series = video.get('show', {}).get('name')
62 season_number = int_or_none(video.get('season', {}).get('number'))
63 episode_number = int_or_none(video.get('episodeNumber'))
64
65 tags = video.get('tags')
66 age_limit = parse_age_limit(video.get('parental', {}).get('rating'))
67
68 subtitles = {}
69 captions = stream.get('captions')
70 if isinstance(captions, list):
71 for caption in captions:
72 subtitle_url = url_or_none(caption.get('fileUrl'))
73 if not subtitle_url or not subtitle_url.startswith('http'):
74 continue
75 lang = caption.get('fileLang', 'en')
76 ext = determine_ext(subtitle_url)
77 subtitles.setdefault(lang, []).append({
78 'url': subtitle_url,
79 'ext': 'ttml' if ext == 'xml' else ext,
80 })
81
82 return {
83 'id': video_id,
84 'display_id': display_id,
85 'title': title,
86 'description': description,
87 'duration': duration,
88 'series': series,
89 'season_number': season_number,
90 'episode_number': episode_number,
91 'tags': tags,
92 'age_limit': age_limit,
93 'formats': formats,
94 'subtitles': subtitles,
95 }
96
97
98 class DiscoveryGoIE(DiscoveryGoBaseIE):
99 _VALID_URL = DiscoveryGoBaseIE._VALID_URL_TEMPLATE % r'(?:[^/]+/)+'
100 _GEO_COUNTRIES = ['US']
101 _TEST = {
102 'url': 'https://www.discoverygo.com/bering-sea-gold/reaper-madness/',
103 'info_dict': {
104 'id': '58c167d86b66d12f2addeb01',
105 'ext': 'mp4',
106 'title': 'Reaper Madness',
107 'description': 'md5:09f2c625c99afb8946ed4fb7865f6e78',
108 'duration': 2519,
109 'series': 'Bering Sea Gold',
110 'season_number': 8,
111 'episode_number': 6,
112 'age_limit': 14,
113 },
114 }
115
116 def _real_extract(self, url):
117 display_id = self._match_id(url)
118
119 webpage = self._download_webpage(url, display_id)
120
121 container = extract_attributes(
122 self._search_regex(
123 r'(<div[^>]+class=["\']video-player-container[^>]+>)',
124 webpage, 'video container'))
125
126 video = self._parse_json(
127 container.get('data-video') or container.get('data-json'),
128 display_id)
129
130 stream = video.get('stream')
131
132 return self._extract_video_info(video, stream, display_id)
133
134
135 class DiscoveryGoPlaylistIE(DiscoveryGoBaseIE):
136 _VALID_URL = DiscoveryGoBaseIE._VALID_URL_TEMPLATE % ''
137 _TEST = {
138 'url': 'https://www.discoverygo.com/bering-sea-gold/',
139 'info_dict': {
140 'id': 'bering-sea-gold',
141 'title': 'Bering Sea Gold',
142 'description': 'md5:cc5c6489835949043c0cc3ad66c2fa0e',
143 },
144 'playlist_mincount': 6,
145 }
146
147 @classmethod
148 def suitable(cls, url):
149 return False if DiscoveryGoIE.suitable(url) else super(
150 DiscoveryGoPlaylistIE, cls).suitable(url)
151
152 def _real_extract(self, url):
153 display_id = self._match_id(url)
154
155 webpage = self._download_webpage(url, display_id)
156
157 entries = []
158 for mobj in re.finditer(r'data-json=(["\'])(?P<json>{.+?})\1', webpage):
159 data = self._parse_json(
160 mobj.group('json'), display_id,
161 transform_source=unescapeHTML, fatal=False)
162 if not isinstance(data, dict) or data.get('type') != 'episode':
163 continue
164 episode_url = data.get('socialUrl')
165 if not episode_url:
166 continue
167 entries.append(self.url_result(
168 episode_url, ie=DiscoveryGoIE.ie_key(),
169 video_id=data.get('id')))
170
171 return self.playlist_result(
172 entries, display_id,
173 remove_end(self._og_search_title(
174 webpage, fatal=False), ' | Discovery GO'),
175 self._og_search_description(webpage))