old_contents: from __future__ import unicode_literals
  
  from .common import InfoExtractor
  
  
  class SlutloadIE(InfoExtractor):
      _VALID_URL = r'^https?://(?:\w+\.)?slutload\.com/video/[^/]+/(?P<id>[^/]+)/?$'
      _TEST = {
          'url': 'http://www.slutload.com/video/virginie-baisee-en-cam/TD73btpBqSxc/',
          'md5': '868309628ba00fd488cf516a113fd717',
          'info_dict': {
              'id': 'TD73btpBqSxc',
              'ext': 'mp4',
              'title': 'virginie baisee en cam',
              'age_limit': 18,
              'thumbnail': r're:https?://.*?\.jpg'
          }
      }
  
      def _real_extract(self, url):
          video_id = self._match_id(url)
          webpage = self._download_webpage(url, video_id)
  
          video_title = self._html_search_regex(r'<h1><strong>([^<]+)</strong>',
                                                webpage, 'title').strip()
  
          video_url = self._html_search_regex(
              r'(?s)<div id="vidPlayer"\s+data-url="([^"]+)"',
              webpage, 'video URL')
          thumbnail = self._html_search_regex(
              r'(?s)<div id="vidPlayer"\s+.*?previewer-file="([^"]+)"',
              webpage, 'thumbnail', fatal=False)
  
          return {
              'id': video_id,
              'url': video_url,
              'title': video_title,
              'thumbnail': thumbnail,
              'age_limit': 18
          }
  
new_contents: from __future__ import unicode_literals
  
  import re
  
  from .common import InfoExtractor
  
  
  class SlutloadIE(InfoExtractor):
      _VALID_URL = r'^https?://(?:\w+\.)?slutload\.com/video/[^/]+/(?P<id>[^/]+)/?$'
      _TESTS = [{
          'url': 'http://www.slutload.com/video/virginie-baisee-en-cam/TD73btpBqSxc/',
          'md5': '868309628ba00fd488cf516a113fd717',
          'info_dict': {
              'id': 'TD73btpBqSxc',
              'ext': 'mp4',
              'title': 'virginie baisee en cam',
              'age_limit': 18,
              'thumbnail': r're:https?://.*?\.jpg'
          }
      }, {
          # mobile site
          'url': 'http://mobile.slutload.com/video/masturbation-solo/fviFLmc6kzJ/',
          'only_matching': True,
      }]
  
      def _real_extract(self, url):
          video_id = self._match_id(url)
  
          desktop_url = re.sub(r'^(https?://)mobile\.', r'\1', url)
          webpage = self._download_webpage(desktop_url, video_id)
  
          video_title = self._html_search_regex(r'<h1><strong>([^<]+)</strong>',
                                                webpage, 'title').strip()
  
          video_url = self._html_search_regex(
              r'(?s)<div id="vidPlayer"\s+data-url="([^"]+)"',
              webpage, 'video URL')
          thumbnail = self._html_search_regex(
              r'(?s)<div id="vidPlayer"\s+.*?previewer-file="([^"]+)"',
              webpage, 'thumbnail', fatal=False)
  
          return {
              'id': video_id,
              'url': video_url,
              'title': video_title,
              'thumbnail': thumbnail,
              'age_limit': 18
          }
  
subject: Add support for mobile URLs