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[^/#?]+)/*(?:[#?].*)?$' 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 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']+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