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
|
from __future__ import unicode_literals
import re
from .common import InfoExtractor
from ..compat import (
compat_HTTPError,
compat_urlparse,
)
from ..utils import (
ExtractorError,
parse_duration,
)
class VideoLecturesNetIE(InfoExtractor):
_VALID_URL = r'http://(?:www\.)?videolectures\.net/(?P<id>[^/#?]+)/*(?:[#?].*)?$'
IE_NAME = 'videolectures.net'
_TESTS = [{
'url': 'http://videolectures.net/promogram_igor_mekjavic_eng/',
'info_dict': {
'id': 'promogram_igor_mekjavic_eng',
'ext': 'mp4',
'title': 'Automatics, robotics and biocybernetics',
'description': 'md5:815fc1deb6b3a2bff99de2d5325be482',
'upload_date': '20130627',
'duration': 565,
'thumbnail': 're:http://.*\.jpg',
},
}, {
# video with invalid direct format links (HTTP 403)
'url': 'http://videolectures.net/russir2010_filippova_nlp/',
'info_dict': {
'id': 'russir2010_filippova_nlp',
'ext': 'flv',
'title': 'NLP at Google',
'description': 'md5:fc7a6d9bf0302d7cc0e53f7ca23747b3',
'duration': 5352,
'thumbnail': 're:http://.*\.jpg',
},
'params': {
# rtmp download
'skip_download': True,
},
}, {
'url': 'http://videolectures.net/deeplearning2015_montreal/',
'info_dict': {
'id': 'deeplearning2015_montreal',
'title': 'Deep Learning Summer School, Montreal 2015',
'description': 'md5:90121a40cc6926df1bf04dcd8563ed3b',
},
'playlist_count': 30,
}]
def _real_extract(self, url):
video_id = self._match_id(url)
smil_url = 'http://videolectures.net/%s/video/1/smil.xml' % video_id
try:
smil = self._download_smil(smil_url, video_id)
except ExtractorError as e:
if isinstance(e.cause, compat_HTTPError) and e.cause.code == 404:
# Probably a playlist
webpage = self._download_webpage(url, video_id)
entries = [
self.url_result(compat_urlparse.urljoin(url, video_url), 'VideoLecturesNet')
for _, video_url in re.findall(r'<a[^>]+href=(["\'])(.+?)\1[^>]+id=["\']lec=\d+', webpage)]
playlist_title = self._html_search_meta('title', webpage, 'title', fatal=True)
playlist_description = self._html_search_meta('description', webpage, 'description')
return self.playlist_result(entries, video_id, playlist_title, playlist_description)
info = self._parse_smil(smil, smil_url, video_id)
info['id'] = video_id
switch = smil.find('.//switch')
if switch is not None:
info['duration'] = parse_duration(switch.attrib.get('dur'))
return info
|
