text: # coding: utf-8
  from __future__ import unicode_literals
  
  import re
  
  from .common import InfoExtractor
  
  
  class EchoMskIE(InfoExtractor):
      _VALID_URL = r'http://(?:www\.)?echo\.msk\.ru/sounds/(?P<id>\d+)'
      _TEST = {
          'url': 'http://www.echo.msk.ru/sounds/1464134.html',
          'md5': '2e44b3b78daff5b458e4dbc37f191f7c',
          'info_dict': {
              'id': '1464134',
              'ext': 'mp3',
              'title': 'Особое мнение - 29 декабря 2014, 19:08',
          },
      }
  
      def _real_extract(self, url):
          video_id = self._match_id(url)
  
          webpage = self._download_webpage(url, video_id)
  
          audio_url = self._search_regex(
              r'<a rel="mp3" href="([^"]+)">', webpage, 'audio URL')
  
          title = self._html_search_regex(
              r'<a href="/programs/[^"]+" target="_blank">([^<]+)</a>',
              webpage, 'title')
  
          air_date = self._html_search_regex(
              r'(?s)<div class="date">(.+?)</div>',
              webpage, 'date', fatal=False, default=None)
  
          if air_date:
              air_date = re.sub(r'(\s)\1+', r'\1', air_date)
              if air_date:
                  title = '%s - %s' % (title, air_date)
  
          return {
              'id': video_id,
              'url': audio_url,
              'title': title,
          }
  