_ Git - youtube-dl/blob - youtube_dl/extractor/sina.py

   1 # coding: utf-8
   2
   3 import re
   4
   5 from .common import InfoExtractor
   6 from ..utils import (
   7     compat_urllib_request,
   8     compat_urllib_parse,
   9 )
  10
  11
  12 class SinaIE(InfoExtractor):
  13     _VALID_URL = r'''https?://(.*?\.)?video\.sina\.com\.cn/
  14                         (
  15                             (.+?/(((?P<pseudo_id>\d+).html)|(.*?(\#|(vid=))(?P<id>\d+?)($|&))))
  16                             |
  17                             # This is used by external sites like Weibo
  18                             (api/sinawebApi/outplay.php/(?P<token>.+?)\.swf)
  19                         )
  20                   '''
  21
  22     _TEST = {
  23         u'url': u'http://video.sina.com.cn/news/vlist/zt/chczlj2013/?opsubject_id=top12#110028898',
  24         u'file': u'110028898.flv',
  25         u'md5': u'd65dd22ddcf44e38ce2bf58a10c3e71f',
  26         u'info_dict': {
  27             u'title': u'《中国新闻》 朝鲜要求巴拿马立即释放被扣船员',
  28         }
  29     }
  30
  31     @classmethod
  32     def suitable(cls, url):
  33         return re.match(cls._VALID_URL, url, flags=re.VERBOSE) is not None
  34
  35     def _extract_video(self, video_id):
  36         data = compat_urllib_parse.urlencode({'vid': video_id})
  37         url_doc = self._download_xml('http://v.iask.com/v_play.php?%s' % data,
  38             video_id, u'Downloading video url')
  39         image_page = self._download_webpage(
  40             'http://interface.video.sina.com.cn/interface/common/getVideoImage.php?%s' % data,
  41             video_id, u'Downloading thumbnail info')
  42
  43         return {'id': video_id,
  44                 'url': url_doc.find('./durl/url').text,
  45                 'ext': 'flv',
  46                 'title': url_doc.find('./vname').text,
  47                 'thumbnail': image_page.split('=')[1],
  48                 }
  49
  50     def _real_extract(self, url):
  51         mobj = re.match(self._VALID_URL, url, flags=re.VERBOSE)
  52         video_id = mobj.group('id')
  53         if mobj.group('token') is not None:
  54             # The video id is in the redirected url
  55             self.to_screen(u'Getting video id')
  56             request = compat_urllib_request.Request(url)
  57             request.get_method = lambda: 'HEAD'
  58             (_, urlh) = self._download_webpage_handle(request, 'NA', False)
  59             return self._real_extract(urlh.geturl())
  60         elif video_id is None:
  61             pseudo_id = mobj.group('pseudo_id')
  62             webpage = self._download_webpage(url, pseudo_id)
  63             video_id = self._search_regex(r'vid:\'(\d+?)\'', webpage, u'video id')
  64
  65         return self._extract_video(video_id)