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from __future__ import unicode_literals
import re
from .common import InfoExtractor
from ..compat import compat_urlparse
from ..utils import parse_duration
class VideoLecturesNetIE(InfoExtractor):
_VALID_URL = r'http://(?:www\.)?videolectures\.net/(?P<id>[^/#?]+)/*(?:[#?].*)?$'
IE_NAME = 'videolectures.net'
_TEST = {
'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',
},
}
def _real_extract(self, url):
video_id = self._match_id(url)
smil_url = 'http://videolectures.net/%s/video/1/smil.xml' % video_id
smil = self._download_smil(smil_url, video_id, fatal=False)
# Probably a playlist
if smil is False:
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
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