text: from __future__ import unicode_literals
  
  import re
  
  from .common import InfoExtractor
  from ..compat import (
      compat_urllib_parse_urlparse,
  )
  from ..utils import (
      ExtractorError,
      parse_duration,
      remove_end,
  )
  
  
  class VuClipIE(InfoExtractor):
      _VALID_URL = r'https?://(?:m\.)?vuclip\.com/w\?.*?cid=(?P<id>[0-9]+)'
  
      _TEST = {
          'url': 'http://m.vuclip.com/w?cid=1129900602&bu=8589892792&frm=w&z=34801&op=0&oc=843169247&section=recommend',
          'info_dict': {
              'id': '1129900602',
              'ext': '3gp',
              'title': 'Top 10 TV Convicts',
              'duration': 733,
          }
      }
  
      def _real_extract(self, url):
          video_id = self._match_id(url)
          webpage = self._download_webpage(url, video_id)
  
          ad_m = re.search(
              r'''value="No.*?" onClick="location.href='([^"']+)'"''', webpage)
          if ad_m:
              urlr = compat_urllib_parse_urlparse(url)
              adfree_url = urlr.scheme + '://' + urlr.netloc + ad_m.group(1)
              webpage = self._download_webpage(
                  adfree_url, video_id, note='Download post-ad page')
  
          error_msg = self._html_search_regex(
              r'<p class="message">(.*?)</p>', webpage, 'error message',
              default=None)
          if error_msg:
              raise ExtractorError(
                  '%s said: %s' % (self.IE_NAME, error_msg), expected=True)
  
          # These clowns alternate between two page types
          video_url = self._search_regex(
              r'<a[^>]+href="([^"]+)"[^>]*><img[^>]+src="[^"]*/play\.gif',
              webpage, 'video URL', default=None)
          if video_url:
              formats = [{
                  'url': video_url,
              }]
          else:
              formats = self._parse_html5_media_entries(url, webpage, video_id)[0]['formats']
  
          title = remove_end(self._html_search_regex(
              r'<title>(.*?)-\s*Vuclip</title>', webpage, 'title').strip(), ' - Video')
  
          duration = parse_duration(self._html_search_regex(
              r'[(>]([0-9]+:[0-9]+)(?:<span|\))', webpage, 'duration', fatal=False))
  
          return {
              'id': video_id,
              'formats': formats,
              'title': title,
              'duration': duration,
          }
  