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71 lines
2.4 KiB
Python
71 lines
2.4 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 ..utils import (
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find_xpath_attr,
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int_or_none,
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parse_duration,
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unified_strdate,
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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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_TEST = {
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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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def _real_extract(self, url):
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mobj = re.match(self._VALID_URL, url)
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video_id = mobj.group('id')
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smil_url = 'http://videolectures.net/%s/video/1/smil.xml' % video_id
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smil = self._download_xml(smil_url, video_id)
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title = find_xpath_attr(smil, './/meta', 'name', 'title').attrib['content']
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description_el = find_xpath_attr(smil, './/meta', 'name', 'abstract')
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description = (
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None if description_el is None
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else description_el.attrib['content'])
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upload_date = unified_strdate(
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find_xpath_attr(smil, './/meta', 'name', 'date').attrib['content'])
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switch = smil.find('.//switch')
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duration = parse_duration(switch.attrib.get('dur'))
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thumbnail_el = find_xpath_attr(switch, './image', 'type', 'thumbnail')
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thumbnail = (
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None if thumbnail_el is None else thumbnail_el.attrib.get('src'))
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formats = [{
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'url': v.attrib['src'],
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'width': int_or_none(v.attrib.get('width')),
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'height': int_or_none(v.attrib.get('height')),
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'filesize': int_or_none(v.attrib.get('size')),
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'tbr': int_or_none(v.attrib.get('systemBitrate')) / 1000.0,
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'ext': v.attrib.get('ext'),
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} for v in switch.findall('./video')
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if v.attrib.get('proto') == 'http']
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return {
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'id': video_id,
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'title': title,
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'description': description,
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'upload_date': upload_date,
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'duration': duration,
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'thumbnail': thumbnail,
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'formats': formats,
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}
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