mirror of
https://github.com/l1ving/youtube-dl
synced 2024-12-01 01:12:50 +08:00
83 lines
2.8 KiB
Python
83 lines
2.8 KiB
Python
from __future__ import unicode_literals
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import re
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from .common import InfoExtractor
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from ..compat import (
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compat_HTTPError,
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compat_urlparse,
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)
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from ..utils import (
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ExtractorError,
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parse_duration,
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)
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class VideoLecturesNetIE(InfoExtractor):
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_VALID_URL = r'http://(?:www\.)?videolectures\.net/(?P<id>[^/#?]+)/*(?:[#?].*)?$'
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IE_NAME = 'videolectures.net'
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_TESTS = [{
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'url': 'http://videolectures.net/promogram_igor_mekjavic_eng/',
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'info_dict': {
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'id': 'promogram_igor_mekjavic_eng',
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'ext': 'mp4',
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'title': 'Automatics, robotics and biocybernetics',
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'description': 'md5:815fc1deb6b3a2bff99de2d5325be482',
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'upload_date': '20130627',
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'duration': 565,
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'thumbnail': 're:http://.*\.jpg',
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},
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}, {
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# video with invalid direct format links (HTTP 403)
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'url': 'http://videolectures.net/russir2010_filippova_nlp/',
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'info_dict': {
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'id': 'russir2010_filippova_nlp',
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'ext': 'flv',
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'title': 'NLP at Google',
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'description': 'md5:fc7a6d9bf0302d7cc0e53f7ca23747b3',
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'duration': 5352,
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'thumbnail': 're:http://.*\.jpg',
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},
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'params': {
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# rtmp download
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'skip_download': True,
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},
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}, {
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'url': 'http://videolectures.net/deeplearning2015_montreal/',
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'info_dict': {
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'id': 'deeplearning2015_montreal',
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'title': 'Deep Learning Summer School, Montreal 2015',
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'description': 'md5:90121a40cc6926df1bf04dcd8563ed3b',
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},
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'playlist_count': 30,
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}]
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def _real_extract(self, url):
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video_id = self._match_id(url)
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smil_url = 'http://videolectures.net/%s/video/1/smil.xml' % video_id
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try:
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smil = self._download_smil(smil_url, video_id)
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except ExtractorError as e:
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if isinstance(e.cause, compat_HTTPError) and e.cause.code == 404:
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# Probably a playlist
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webpage = self._download_webpage(url, video_id)
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entries = [
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self.url_result(compat_urlparse.urljoin(url, video_url), 'VideoLecturesNet')
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for _, video_url in re.findall(r'<a[^>]+href=(["\'])(.+?)\1[^>]+id=["\']lec=\d+', webpage)]
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playlist_title = self._html_search_meta('title', webpage, 'title', fatal=True)
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playlist_description = self._html_search_meta('description', webpage, 'description')
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return self.playlist_result(entries, video_id, playlist_title, playlist_description)
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info = self._parse_smil(smil, smil_url, video_id)
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info['id'] = video_id
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switch = smil.find('.//switch')
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if switch is not None:
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info['duration'] = parse_duration(switch.attrib.get('dur'))
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return info
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