]> Raphaƫl G. Git Repositories - youtubedl/blob - youtube_dl/extractor/viidea.py
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[youtubedl] / youtube_dl / extractor / viidea.py
1 from __future__ import unicode_literals
2
3 import re
4
5 from .common import InfoExtractor
6 from ..compat import (
7 compat_urlparse,
8 compat_str,
9 )
10 from ..utils import (
11 parse_duration,
12 js_to_json,
13 parse_iso8601,
14 )
15
16
17 class ViideaIE(InfoExtractor):
18 _VALID_URL = r'''(?x)https?://(?:www\.)?(?:
19 videolectures\.net|
20 flexilearn\.viidea\.net|
21 presentations\.ocwconsortium\.org|
22 video\.travel-zoom\.si|
23 video\.pomp-forum\.si|
24 tv\.nil\.si|
25 video\.hekovnik.com|
26 video\.szko\.si|
27 kpk\.viidea\.com|
28 inside\.viidea\.net|
29 video\.kiberpipa\.org|
30 bvvideo\.si|
31 kongres\.viidea\.net|
32 edemokracija\.viidea\.com
33 )(?:/lecture)?/(?P<id>[^/]+)(?:/video/(?P<part>\d+))?/*(?:[#?].*)?$'''
34
35 _TESTS = [{
36 'url': 'http://videolectures.net/promogram_igor_mekjavic_eng/',
37 'info_dict': {
38 'id': '20171',
39 'display_id': 'promogram_igor_mekjavic_eng',
40 'ext': 'mp4',
41 'title': 'Automatics, robotics and biocybernetics',
42 'description': 'md5:815fc1deb6b3a2bff99de2d5325be482',
43 'thumbnail': r're:http://.*\.jpg',
44 'timestamp': 1372349289,
45 'upload_date': '20130627',
46 'duration': 565,
47 },
48 'params': {
49 # m3u8 download
50 'skip_download': True,
51 },
52 }, {
53 # video with invalid direct format links (HTTP 403)
54 'url': 'http://videolectures.net/russir2010_filippova_nlp/',
55 'info_dict': {
56 'id': '14891',
57 'display_id': 'russir2010_filippova_nlp',
58 'ext': 'flv',
59 'title': 'NLP at Google',
60 'description': 'md5:fc7a6d9bf0302d7cc0e53f7ca23747b3',
61 'thumbnail': r're:http://.*\.jpg',
62 'timestamp': 1284375600,
63 'upload_date': '20100913',
64 'duration': 5352,
65 },
66 'params': {
67 # rtmp download
68 'skip_download': True,
69 },
70 }, {
71 # event playlist
72 'url': 'http://videolectures.net/deeplearning2015_montreal/',
73 'info_dict': {
74 'id': '23181',
75 'title': 'Deep Learning Summer School, Montreal 2015',
76 'description': 'md5:0533a85e4bd918df52a01f0e1ebe87b7',
77 'thumbnail': r're:http://.*\.jpg',
78 'timestamp': 1438560000,
79 },
80 'playlist_count': 30,
81 }, {
82 # multi part lecture
83 'url': 'http://videolectures.net/mlss09uk_bishop_ibi/',
84 'info_dict': {
85 'id': '9737',
86 'display_id': 'mlss09uk_bishop_ibi',
87 'title': 'Introduction To Bayesian Inference',
88 'thumbnail': r're:http://.*\.jpg',
89 'timestamp': 1251622800,
90 },
91 'playlist': [{
92 'info_dict': {
93 'id': '9737_part1',
94 'display_id': 'mlss09uk_bishop_ibi_part1',
95 'ext': 'wmv',
96 'title': 'Introduction To Bayesian Inference (Part 1)',
97 'thumbnail': r're:http://.*\.jpg',
98 'duration': 4622,
99 'timestamp': 1251622800,
100 'upload_date': '20090830',
101 },
102 }, {
103 'info_dict': {
104 'id': '9737_part2',
105 'display_id': 'mlss09uk_bishop_ibi_part2',
106 'ext': 'wmv',
107 'title': 'Introduction To Bayesian Inference (Part 2)',
108 'thumbnail': r're:http://.*\.jpg',
109 'duration': 5641,
110 'timestamp': 1251622800,
111 'upload_date': '20090830',
112 },
113 }],
114 'playlist_count': 2,
115 }]
116
117 def _real_extract(self, url):
118 lecture_slug, explicit_part_id = re.match(self._VALID_URL, url).groups()
119
120 webpage = self._download_webpage(url, lecture_slug)
121
122 cfg = self._parse_json(self._search_regex(
123 [r'cfg\s*:\s*({.+?})\s*,\s*[\da-zA-Z_]+\s*:\s*\(?\s*function',
124 r'cfg\s*:\s*({[^}]+})'],
125 webpage, 'cfg'), lecture_slug, js_to_json)
126
127 lecture_id = compat_str(cfg['obj_id'])
128
129 base_url = self._proto_relative_url(cfg['livepipe'], 'http:')
130
131 lecture_data = self._download_json(
132 '%s/site/api/lecture/%s?format=json' % (base_url, lecture_id),
133 lecture_id)['lecture'][0]
134
135 lecture_info = {
136 'id': lecture_id,
137 'display_id': lecture_slug,
138 'title': lecture_data['title'],
139 'timestamp': parse_iso8601(lecture_data.get('time')),
140 'description': lecture_data.get('description_wiki'),
141 'thumbnail': lecture_data.get('thumb'),
142 }
143
144 playlist_entries = []
145 lecture_type = lecture_data.get('type')
146 parts = [compat_str(video) for video in cfg.get('videos', [])]
147 if parts:
148 multipart = len(parts) > 1
149
150 def extract_part(part_id):
151 smil_url = '%s/%s/video/%s/smil.xml' % (base_url, lecture_slug, part_id)
152 smil = self._download_smil(smil_url, lecture_id)
153 info = self._parse_smil(smil, smil_url, lecture_id)
154 self._sort_formats(info['formats'])
155 info['id'] = lecture_id if not multipart else '%s_part%s' % (lecture_id, part_id)
156 info['display_id'] = lecture_slug if not multipart else '%s_part%s' % (lecture_slug, part_id)
157 if multipart:
158 info['title'] += ' (Part %s)' % part_id
159 switch = smil.find('.//switch')
160 if switch is not None:
161 info['duration'] = parse_duration(switch.attrib.get('dur'))
162 item_info = lecture_info.copy()
163 item_info.update(info)
164 return item_info
165
166 if explicit_part_id or not multipart:
167 result = extract_part(explicit_part_id or parts[0])
168 else:
169 result = {
170 '_type': 'multi_video',
171 'entries': [extract_part(part) for part in parts],
172 }
173 result.update(lecture_info)
174
175 # Immediately return explicitly requested part or non event item
176 if explicit_part_id or lecture_type != 'evt':
177 return result
178
179 playlist_entries.append(result)
180
181 # It's probably a playlist
182 if not parts or lecture_type == 'evt':
183 playlist_webpage = self._download_webpage(
184 '%s/site/ajax/drilldown/?id=%s' % (base_url, lecture_id), lecture_id)
185 entries = [
186 self.url_result(compat_urlparse.urljoin(url, video_url), 'Viidea')
187 for _, video_url in re.findall(
188 r'<a[^>]+href=(["\'])(.+?)\1[^>]+id=["\']lec=\d+', playlist_webpage)]
189 playlist_entries.extend(entries)
190
191 playlist = self.playlist_result(playlist_entries, lecture_id)
192 playlist.update(lecture_info)
193 return playlist