old_contents: # coding: utf-8
  from __future__ import unicode_literals
  
  from .common import InfoExtractor
  
  
  class CJSWIE(InfoExtractor):
      _VALID_URL = r'https?://(?:www\.)?cjsw\.com/program/\S+/(?P<id>[0-9]+)'
      IE_NAME = 'cjsw'
      _TEST = {
          'url': 'http://cjsw.com/program/freshly-squeezed/episode/20170620',
          'md5': 'cee14d40f1e9433632c56e3d14977120',
          'info_dict': {
              'id': '20170620',
              'ext': 'mp3',
              'title': 'Freshly Squeezed',
              'description': 'Sled Island artists featured // Live session with Phi Pho, followed by a live session with Sinzere & The Late Nights! // Stay Fresh Y\'all!!',
          }
      }
  
      def _real_extract(self, url):
          episode_id = self._match_id(url)
  
          webpage = self._download_webpage(url, episode_id)
  
          title = self._search_regex(
              r'<button[^>]+data-showname=(["\'])(?P<title>(?!\1).+?)\1[^>]*>', webpage, 'title', group='title')
          description = self._html_search_regex(
              r'<p>(?P<description>.+?)</p>', webpage, 'description', fatal=False)
          formats = [{
              'url': self._search_regex(
                  r'<button[^>]+data-audio-src=(["\'])(?P<audio_url>(?!\1).+?)\1[^>]*>', webpage, 'audio_url', group='audio_url'),
              'ext': 'mp3',
              'vcodec': 'none',
          }]
          return {
              'id': episode_id,
              'title': title,
              'description': description,
              'formats': formats,
          }
  
new_contents: from __future__ import unicode_literals
  
  import re
  
  from .common import InfoExtractor
  from ..utils import (
      determine_ext,
      unescapeHTML,
  )
  
  
  class CJSWIE(InfoExtractor):
      _VALID_URL = r'https?://(?:www\.)?cjsw\.com/program/(?P<program>[^/]+)/episode/(?P<id>\d+)'
      _TEST = {
          'url': 'http://cjsw.com/program/freshly-squeezed/episode/20170620',
          'md5': 'cee14d40f1e9433632c56e3d14977120',
          'info_dict': {
              'id': '91d9f016-a2e7-46c5-8dcb-7cbcd7437c41',
              'ext': 'mp3',
              'title': 'Freshly Squeezed – Episode June 20, 2017',
              'description': 'md5:c967d63366c3898a80d0c7b0ff337202',
              'series': 'Freshly Squeezed',
              'episode_id': '20170620',
          },
      }
  
      def _real_extract(self, url):
          mobj = re.match(self._VALID_URL, url)
          program, episode_id = mobj.group('program', 'id')
          audio_id = '%s/%s' % (program, episode_id)
  
          webpage = self._download_webpage(url, episode_id)
  
          title = unescapeHTML(self._search_regex(
              (r'<h1[^>]+class=["\']episode-header__title["\'][^>]*>(?P<title>[^<]+)',
               r'data-audio-title=(["\'])(?P<title>(?:(?!\1).)+)\1'),
              webpage, 'title', group='title'))
  
          audio_url = self._search_regex(
              r'<button[^>]+data-audio-src=(["\'])(?P<url>(?:(?!\1).)+)\1',
              webpage, 'audio url', group='url')
  
          audio_id = self._search_regex(
              r'/([\da-f]{8}-[\da-f]{4}-[\da-f]{4}-[\da-f]{4}-[\da-f]{12})\.mp3',
              audio_url, 'audio id', default=audio_id)
  
          formats = [{
              'url': audio_url,
              'ext': determine_ext(audio_url, 'mp3'),
              'vcodec': 'none',
          }]
  
          description = self._html_search_regex(
              r'<p>(?P<description>.+?)</p>', webpage, 'description', fatal=False)
          series = self._search_regex(
              r'data-showname=(["\'])(?P<name>(?:(?!\1).)+)\1', webpage,
              'series', default=program, group='name')
  
          return {
              'id': audio_id,
              'title': title,
              'description': description,
              'formats': formats,
              'series': series,
              'episode_id': episode_id,
          }
  
subject: Fix issues and improve extraction (closes #13525)