You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
82 lines
2.8 KiB
82 lines
2.8 KiB
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
|
|
|