aboutsummaryrefslogtreecommitdiffstats
path: root/youtube_dl/extractor/discoverygo.py
blob: 3368c4c075505df8a4ff03198d66a33a76f5b2f6 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
from __future__ import unicode_literals

import re

from .common import InfoExtractor
from ..compat import compat_str
from ..utils import (
    determine_ext,
    extract_attributes,
    ExtractorError,
    int_or_none,
    parse_age_limit,
    remove_end,
    unescapeHTML,
)


class DiscoveryGoBaseIE(InfoExtractor):
    _VALID_URL_TEMPLATE = r'''(?x)https?://(?:www\.)?(?:
            discovery|
            investigationdiscovery|
            discoverylife|
            animalplanet|
            ahctv|
            destinationamerica|
            sciencechannel|
            tlc|
            velocitychannel
        )go\.com/%s(?P<id>[^/?#&]+)'''

    def _extract_video_info(self, video, stream, display_id):
        title = video['name']

        if not stream:
            if video.get('authenticated') is True:
                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)
            else:
                raise ExtractorError('Unable to find stream')
        STREAM_URL_SUFFIX = 'streamUrl'
        formats = []
        for stream_kind in ('', 'hds'):
            suffix = STREAM_URL_SUFFIX.capitalize() if stream_kind else STREAM_URL_SUFFIX
            stream_url = stream.get('%s%s' % (stream_kind, suffix))
            if not stream_url:
                continue
            if stream_kind == '':
                formats.extend(self._extract_m3u8_formats(
                    stream_url, display_id, 'mp4', entry_protocol='m3u8_native',
                    m3u8_id='hls', fatal=False))
            elif stream_kind == 'hds':
                formats.extend(self._extract_f4m_formats(
                    stream_url, display_id, f4m_id=stream_kind, fatal=False))
        self._sort_formats(formats)

        video_id = video.get('id') or display_id
        description = video.get('description', {}).get('detailed')
        duration = int_or_none(video.get('duration'))

        series = video.get('show', {}).get('name')
        season_number = int_or_none(video.get('season', {}).get('number'))
        episode_number = int_or_none(video.get('episodeNumber'))

        tags = video.get('tags')
        age_limit = parse_age_limit(video.get('parental', {}).get('rating'))

        subtitles = {}
        captions = stream.get('captions')
        if isinstance(captions, list):
            for caption in captions:
                subtitle_url = caption.get('fileUrl')
                if (not subtitle_url or not isinstance(subtitle_url, compat_str) or
                        not subtitle_url.startswith('http')):
                    continue
                lang = caption.get('fileLang', 'en')
                ext = determine_ext(subtitle_url)
                subtitles.setdefault(lang, []).append({
                    'url': subtitle_url,
                    'ext': 'ttml' if ext == 'xml' else ext,
                })

        return {
            'id': video_id,
            'display_id': display_id,
            'title': title,
            'description': description,
            'duration': duration,
            'series': series,
            'season_number': season_number,
            'episode_number': episode_number,
            'tags': tags,
            'age_limit': age_limit,
            'formats': formats,
            'subtitles': subtitles,
        }


class DiscoveryGoIE(DiscoveryGoBaseIE):
    _VALID_URL = DiscoveryGoBaseIE._VALID_URL_TEMPLATE % r'(?:[^/]+/)+'
    _GEO_COUNTRIES = ['US']
    _TEST = {
        'url': 'https://www.discoverygo.com/bering-sea-gold/reaper-madness/',
        'info_dict': {
            'id': '58c167d86b66d12f2addeb01',
            'ext': 'mp4',
            'title': 'Reaper Madness',
            'description': 'md5:09f2c625c99afb8946ed4fb7865f6e78',
            'duration': 2519,
            'series': 'Bering Sea Gold',
            'season_number': 8,
            'episode_number': 6,
            'age_limit': 14,
        },
    }

    def _real_extract(self, url):
        display_id = self._match_id(url)

        webpage = self._download_webpage(url, display_id)

        container = extract_attributes(
            self._search_regex(
                r'(<div[^>]+class=["\']video-player-container[^>]+>)',
                webpage, 'video container'))

        video = self._parse_json(
            container.get('data-video') or container.get('data-json'),
            display_id)

        stream = video.get('stream')

        return self._extract_video_info(video, stream, display_id)


class DiscoveryGoPlaylistIE(DiscoveryGoBaseIE):
    _VALID_URL = DiscoveryGoBaseIE._VALID_URL_TEMPLATE % ''
    _TEST = {
        'url': 'https://www.discoverygo.com/bering-sea-gold/',
        'info_dict': {
            'id': 'bering-sea-gold',
            'title': 'Bering Sea Gold',
            'description': 'md5:cc5c6489835949043c0cc3ad66c2fa0e',
        },
        'playlist_mincount': 6,
    }

    @classmethod
    def suitable(cls, url):
        return False if DiscoveryGoIE.suitable(url) else super(
            DiscoveryGoPlaylistIE, cls).suitable(url)

    def _real_extract(self, url):
        display_id = self._match_id(url)

        webpage = self._download_webpage(url, display_id)

        entries = []
        for mobj in re.finditer(r'data-json=(["\'])(?P<json>{.+?})\1', webpage):
            data = self._parse_json(
                mobj.group('json'), display_id,
                transform_source=unescapeHTML, fatal=False)
            if not isinstance(data, dict) or data.get('type') != 'episode':
                continue
            episode_url = data.get('socialUrl')
            if not episode_url:
                continue
            entries.append(self.url_result(
                episode_url, ie=DiscoveryGoIE.ie_key(),
                video_id=data.get('id')))

        return self.playlist_result(
            entries, display_id,
            remove_end(self._og_search_title(
                webpage, fatal=False), ' | Discovery GO'),
            self._og_search_description(webpage))