text: # coding: utf-8
  from __future__ import unicode_literals
  
  import re
  
  from .turner import TurnerBaseIE
  
  
  class CartoonNetworkIE(TurnerBaseIE):
      _VALID_URL = r'https?://(?:www\.)?cartoonnetwork\.com/video/(?:[^/]+/)+(?P<id>[^/?#]+)-(?:clip|episode)\.html'
      _TEST = {
          'url': 'http://www.cartoonnetwork.com/video/teen-titans-go/starfire-the-cat-lady-clip.html',
          'info_dict': {
              'id': '8a250ab04ed07e6c014ef3f1e2f9016c',
              'ext': 'mp4',
              'title': 'Starfire the Cat Lady',
              'description': 'Robin decides to become a cat so that Starfire will finally love him.',
          },
          'params': {
              # m3u8 download
              'skip_download': True,
          },
      }
  
      def _real_extract(self, url):
          display_id = self._match_id(url)
          webpage = self._download_webpage(url, display_id)
          id_type, video_id = re.search(r"_cnglobal\.cvp(Video|Title)Id\s*=\s*'([^']+)';", webpage).groups()
          query = ('id' if id_type == 'Video' else 'titleId') + '=' + video_id
          return self._extract_cvp_info(
              'http://www.cartoonnetwork.com/video-seo-svc/episodeservices/getCvpPlaylist?networkName=CN2&' + query, video_id, {
                  'secure': {
                      'media_src': 'http://androidhls-secure.cdn.turner.com/toon/big',
                      'tokenizer_src': 'https://token.vgtf.net/token/token_mobile',
                  },
              }, {
                  'url': url,
                  'site_name': 'CartoonNetwork',
                  'auth_required': self._search_regex(
                      r'_cnglobal\.cvpFullOrPreviewAuth\s*=\s*(true|false);',
                      webpage, 'auth required', default='false') == 'true',
              })
  