mirror of
https://github.com/l1ving/youtube-dl
synced 2024-11-24 05:32:58 +08:00
71 lines
2.4 KiB
Python
71 lines
2.4 KiB
Python
from __future__ import unicode_literals
|
|
|
|
import re
|
|
|
|
from .common import InfoExtractor
|
|
from ..utils import (
|
|
find_xpath_attr,
|
|
int_or_none,
|
|
parse_duration,
|
|
unified_strdate,
|
|
)
|
|
|
|
|
|
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):
|
|
mobj = re.match(self._VALID_URL, url)
|
|
video_id = mobj.group('id')
|
|
|
|
smil_url = 'http://videolectures.net/%s/video/1/smil.xml' % video_id
|
|
smil = self._download_xml(smil_url, video_id)
|
|
|
|
title = find_xpath_attr(smil, './/meta', 'name', 'title').attrib['content']
|
|
description_el = find_xpath_attr(smil, './/meta', 'name', 'abstract')
|
|
description = (
|
|
None if description_el is None
|
|
else description_el.attrib['content'])
|
|
upload_date = unified_strdate(
|
|
find_xpath_attr(smil, './/meta', 'name', 'date').attrib['content'])
|
|
|
|
switch = smil.find('.//switch')
|
|
duration = parse_duration(switch.attrib.get('dur'))
|
|
thumbnail_el = find_xpath_attr(switch, './image', 'type', 'thumbnail')
|
|
thumbnail = (
|
|
None if thumbnail_el is None else thumbnail_el.attrib.get('src'))
|
|
|
|
formats = [{
|
|
'url': v.attrib['src'],
|
|
'width': int_or_none(v.attrib.get('width')),
|
|
'height': int_or_none(v.attrib.get('height')),
|
|
'filesize': int_or_none(v.attrib.get('size')),
|
|
'tbr': int_or_none(v.attrib.get('systemBitrate')) / 1000.0,
|
|
'ext': v.attrib.get('ext'),
|
|
} for v in switch.findall('./video')
|
|
if v.attrib.get('proto') == 'http']
|
|
|
|
return {
|
|
'id': video_id,
|
|
'title': title,
|
|
'description': description,
|
|
'upload_date': upload_date,
|
|
'duration': duration,
|
|
'thumbnail': thumbnail,
|
|
'formats': formats,
|
|
}
|