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[youtubedl] / youtube_dl / extractor / curiositystream.py
1 # coding: utf-8
2 from __future__ import unicode_literals
3
4 import re
5
6 from .common import InfoExtractor
7 from ..utils import (
8 int_or_none,
9 urlencode_postdata,
10 compat_str,
11 ExtractorError,
12 )
13
14
15 class CuriosityStreamBaseIE(InfoExtractor):
16 _NETRC_MACHINE = 'curiositystream'
17 _auth_token = None
18 _API_BASE_URL = 'https://api.curiositystream.com/v1/'
19
20 def _handle_errors(self, result):
21 error = result.get('error', {}).get('message')
22 if error:
23 if isinstance(error, dict):
24 error = ', '.join(error.values())
25 raise ExtractorError(
26 '%s said: %s' % (self.IE_NAME, error), expected=True)
27
28 def _call_api(self, path, video_id):
29 headers = {}
30 if self._auth_token:
31 headers['X-Auth-Token'] = self._auth_token
32 result = self._download_json(
33 self._API_BASE_URL + path, video_id, headers=headers)
34 self._handle_errors(result)
35 return result['data']
36
37 def _real_initialize(self):
38 email, password = self._get_login_info()
39 if email is None:
40 return
41 result = self._download_json(
42 self._API_BASE_URL + 'login', None, data=urlencode_postdata({
43 'email': email,
44 'password': password,
45 }))
46 self._handle_errors(result)
47 self._auth_token = result['message']['auth_token']
48
49 def _extract_media_info(self, media):
50 video_id = compat_str(media['id'])
51 title = media['title']
52
53 formats = []
54 for encoding in media.get('encodings', []):
55 m3u8_url = encoding.get('master_playlist_url')
56 if m3u8_url:
57 formats.extend(self._extract_m3u8_formats(
58 m3u8_url, video_id, 'mp4', 'm3u8_native',
59 m3u8_id='hls', fatal=False))
60 encoding_url = encoding.get('url')
61 file_url = encoding.get('file_url')
62 if not encoding_url and not file_url:
63 continue
64 f = {
65 'width': int_or_none(encoding.get('width')),
66 'height': int_or_none(encoding.get('height')),
67 'vbr': int_or_none(encoding.get('video_bitrate')),
68 'abr': int_or_none(encoding.get('audio_bitrate')),
69 'filesize': int_or_none(encoding.get('size_in_bytes')),
70 'vcodec': encoding.get('video_codec'),
71 'acodec': encoding.get('audio_codec'),
72 'container': encoding.get('container_type'),
73 }
74 for f_url in (encoding_url, file_url):
75 if not f_url:
76 continue
77 fmt = f.copy()
78 rtmp = re.search(r'^(?P<url>rtmpe?://(?P<host>[^/]+)/(?P<app>.+))/(?P<playpath>mp[34]:.+)$', f_url)
79 if rtmp:
80 fmt.update({
81 'url': rtmp.group('url'),
82 'play_path': rtmp.group('playpath'),
83 'app': rtmp.group('app'),
84 'ext': 'flv',
85 'format_id': 'rtmp',
86 })
87 else:
88 fmt.update({
89 'url': f_url,
90 'format_id': 'http',
91 })
92 formats.append(fmt)
93 self._sort_formats(formats)
94
95 subtitles = {}
96 for closed_caption in media.get('closed_captions', []):
97 sub_url = closed_caption.get('file')
98 if not sub_url:
99 continue
100 lang = closed_caption.get('code') or closed_caption.get('language') or 'en'
101 subtitles.setdefault(lang, []).append({
102 'url': sub_url,
103 })
104
105 return {
106 'id': video_id,
107 'formats': formats,
108 'title': title,
109 'description': media.get('description'),
110 'thumbnail': media.get('image_large') or media.get('image_medium') or media.get('image_small'),
111 'duration': int_or_none(media.get('duration')),
112 'tags': media.get('tags'),
113 'subtitles': subtitles,
114 }
115
116
117 class CuriosityStreamIE(CuriosityStreamBaseIE):
118 IE_NAME = 'curiositystream'
119 _VALID_URL = r'https?://app\.curiositystream\.com/video/(?P<id>\d+)'
120 _TEST = {
121 'url': 'https://app.curiositystream.com/video/2',
122 'md5': '262bb2f257ff301115f1973540de8983',
123 'info_dict': {
124 'id': '2',
125 'ext': 'mp4',
126 'title': 'How Did You Develop The Internet?',
127 'description': 'Vint Cerf, Google\'s Chief Internet Evangelist, describes how he and Bob Kahn created the internet.',
128 }
129 }
130
131 def _real_extract(self, url):
132 video_id = self._match_id(url)
133 media = self._call_api('media/' + video_id, video_id)
134 return self._extract_media_info(media)
135
136
137 class CuriosityStreamCollectionIE(CuriosityStreamBaseIE):
138 IE_NAME = 'curiositystream:collection'
139 _VALID_URL = r'https?://app\.curiositystream\.com/collection/(?P<id>\d+)'
140 _TEST = {
141 'url': 'https://app.curiositystream.com/collection/2',
142 'info_dict': {
143 'id': '2',
144 'title': 'Curious Minds: The Internet',
145 'description': 'How is the internet shaping our lives in the 21st Century?',
146 },
147 'playlist_mincount': 12,
148 }
149
150 def _real_extract(self, url):
151 collection_id = self._match_id(url)
152 collection = self._call_api(
153 'collections/' + collection_id, collection_id)
154 entries = []
155 for media in collection.get('media', []):
156 entries.append(self._extract_media_info(media))
157 return self.playlist_result(
158 entries, collection_id,
159 collection.get('title'), collection.get('description'))