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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
50 class CuriosityStreamIE(CuriosityStreamBaseIE):
51 IE_NAME = 'curiositystream'
52 _VALID_URL = r'https?://(?:app\.)?curiositystream\.com/video/(?P<id>\d+)'
53 _TEST = {
54 'url': 'https://app.curiositystream.com/video/2',
55 'md5': '262bb2f257ff301115f1973540de8983',
56 'info_dict': {
57 'id': '2',
58 'ext': 'mp4',
59 'title': 'How Did You Develop The Internet?',
60 'description': 'Vint Cerf, Google\'s Chief Internet Evangelist, describes how he and Bob Kahn created the internet.',
61 }
62 }
63
64 def _real_extract(self, url):
65 video_id = self._match_id(url)
66 media = self._call_api('media/' + video_id, video_id)
67 title = media['title']
68
69 formats = []
70 for encoding in media.get('encodings', []):
71 m3u8_url = encoding.get('master_playlist_url')
72 if m3u8_url:
73 formats.extend(self._extract_m3u8_formats(
74 m3u8_url, video_id, 'mp4', 'm3u8_native',
75 m3u8_id='hls', fatal=False))
76 encoding_url = encoding.get('url')
77 file_url = encoding.get('file_url')
78 if not encoding_url and not file_url:
79 continue
80 f = {
81 'width': int_or_none(encoding.get('width')),
82 'height': int_or_none(encoding.get('height')),
83 'vbr': int_or_none(encoding.get('video_bitrate')),
84 'abr': int_or_none(encoding.get('audio_bitrate')),
85 'filesize': int_or_none(encoding.get('size_in_bytes')),
86 'vcodec': encoding.get('video_codec'),
87 'acodec': encoding.get('audio_codec'),
88 'container': encoding.get('container_type'),
89 }
90 for f_url in (encoding_url, file_url):
91 if not f_url:
92 continue
93 fmt = f.copy()
94 rtmp = re.search(r'^(?P<url>rtmpe?://(?P<host>[^/]+)/(?P<app>.+))/(?P<playpath>mp[34]:.+)$', f_url)
95 if rtmp:
96 fmt.update({
97 'url': rtmp.group('url'),
98 'play_path': rtmp.group('playpath'),
99 'app': rtmp.group('app'),
100 'ext': 'flv',
101 'format_id': 'rtmp',
102 })
103 else:
104 fmt.update({
105 'url': f_url,
106 'format_id': 'http',
107 })
108 formats.append(fmt)
109 self._sort_formats(formats)
110
111 subtitles = {}
112 for closed_caption in media.get('closed_captions', []):
113 sub_url = closed_caption.get('file')
114 if not sub_url:
115 continue
116 lang = closed_caption.get('code') or closed_caption.get('language') or 'en'
117 subtitles.setdefault(lang, []).append({
118 'url': sub_url,
119 })
120
121 return {
122 'id': video_id,
123 'formats': formats,
124 'title': title,
125 'description': media.get('description'),
126 'thumbnail': media.get('image_large') or media.get('image_medium') or media.get('image_small'),
127 'duration': int_or_none(media.get('duration')),
128 'tags': media.get('tags'),
129 'subtitles': subtitles,
130 }
131
132
133 class CuriosityStreamCollectionIE(CuriosityStreamBaseIE):
134 IE_NAME = 'curiositystream:collection'
135 _VALID_URL = r'https?://(?:app\.)?curiositystream\.com/(?:collection|series)/(?P<id>\d+)'
136 _TESTS = [{
137 'url': 'https://app.curiositystream.com/collection/2',
138 'info_dict': {
139 'id': '2',
140 'title': 'Curious Minds: The Internet',
141 'description': 'How is the internet shaping our lives in the 21st Century?',
142 },
143 'playlist_mincount': 17,
144 }, {
145 'url': 'https://curiositystream.com/series/2',
146 'only_matching': True,
147 }]
148
149 def _real_extract(self, url):
150 collection_id = self._match_id(url)
151 collection = self._call_api(
152 'collections/' + collection_id, collection_id)
153 entries = []
154 for media in collection.get('media', []):
155 media_id = compat_str(media.get('id'))
156 entries.append(self.url_result(
157 'https://curiositystream.com/video/' + media_id,
158 CuriosityStreamIE.ie_key(), media_id))
159 return self.playlist_result(
160 entries, collection_id,
161 collection.get('title'), collection.get('description'))