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youtube-dl

[mirror] Download/Watch videos from video hostersgit clone https://hacktivis.me/git/mirror/youtube-dl.git

jove.py (3075B)

    

  1. from __future__ import unicode_literals
  3. import re
  5. from .common import InfoExtractor
  6. from ..utils import (
  7.     ExtractorError,
  8.     unified_strdate
  9. )
  12. class JoveIE(InfoExtractor):
  13.     _VALID_URL = r'https?://(?:www\.)?jove\.com/video/(?P<id>[0-9]+)'
  14.     _CHAPTERS_URL = 'http://www.jove.com/video-chapters?videoid={video_id:}'
  15.     _TESTS = [
  16.         {
  17.             'url': 'http://www.jove.com/video/2744/electrode-positioning-montage-transcranial-direct-current',
  18.             'md5': '93723888d82dbd6ba8b3d7d0cd65dd2b',
  19.             'info_dict': {
  20.                 'id': '2744',
  21.                 'ext': 'mp4',
  22.                 'title': 'Electrode Positioning and Montage in Transcranial Direct Current Stimulation',
  23.                 'description': 'md5:015dd4509649c0908bc27f049e0262c6',
  24.                 'thumbnail': r're:^https?://.*\.png$',
  25.                 'upload_date': '20110523',
  26.             }
  27.         },
  28.         {
  29.             'url': 'http://www.jove.com/video/51796/culturing-caenorhabditis-elegans-axenic-liquid-media-creation',
  30.             'md5': '914aeb356f416811d911996434811beb',
  31.             'info_dict': {
  32.                 'id': '51796',
  33.                 'ext': 'mp4',
  34.                 'title': 'Culturing Caenorhabditis elegans in Axenic Liquid Media and Creation of Transgenic Worms by Microparticle Bombardment',
  35.                 'description': 'md5:35ff029261900583970c4023b70f1dc9',
  36.                 'thumbnail': r're:^https?://.*\.png$',
  37.                 'upload_date': '20140802',
  38.             }
  39.         },
  41.     ]
  43.     def _real_extract(self, url):
  44.         mobj = re.match(self._VALID_URL, url)
  45.         video_id = mobj.group('id')
  47.         webpage = self._download_webpage(url, video_id)
  49.         chapters_id = self._html_search_regex(
  50.             r'/video-chapters\?videoid=([0-9]+)', webpage, 'chapters id')
  52.         chapters_xml = self._download_xml(
  53.             self._CHAPTERS_URL.format(video_id=chapters_id),
  54.             video_id, note='Downloading chapters XML',
  55.             errnote='Failed to download chapters XML')
  57.         video_url = chapters_xml.attrib.get('video')
  58.         if not video_url:
  59.             raise ExtractorError('Failed to get the video URL')
  61.         title = self._html_search_meta('citation_title', webpage, 'title')
  62.         thumbnail = self._og_search_thumbnail(webpage)
  63.         description = self._html_search_regex(
  64.             r'<div id="section_body_summary"><p class="jove_content">(.+?)</p>',
  65.             webpage, 'description', fatal=False)
  66.         publish_date = unified_strdate(self._html_search_meta(
  67.             'citation_publication_date', webpage, 'publish date', fatal=False))
  68.         comment_count = int(self._html_search_regex(
  69.             r'<meta name="num_comments" content="(\d+) Comments?"',
  70.             webpage, 'comment count', fatal=False))
  72.         return {
  73.             'id': video_id,
  74.             'title': title,
  75.             'url': video_url,
  76.             'thumbnail': thumbnail,
  77.             'description': description,
  78.             'upload_date': publish_date,
  79.             'comment_count': comment_count,
  80.         }