text: # coding: utf-8
  from __future__ import unicode_literals
  
  from .theplatform import ThePlatformIE
  from ..utils import (
      update_url_query,
      parse_age_limit,
      int_or_none,
  )
  
  
  class AMCNetworksIE(ThePlatformIE):
      _VALID_URL = r'https?://(?:www\.)?(?:amc|bbcamerica|ifc|wetv)\.com/(?:movies/|shows/[^/]+/(?:full-episodes/)?season-\d+/episode-\d+(?:-(?:[^/]+/)?|/))(?P<id>[^/?#]+)'
      _TESTS = [{
          'url': 'http://www.ifc.com/shows/maron/season-04/episode-01/step-1',
          'md5': '',
          'info_dict': {
              'id': 's3MX01Nl4vPH',
              'ext': 'mp4',
              'title': 'Maron - Season 4 - Step 1',
              'description': 'In denial about his current situation, Marc is reluctantly convinced by his friends to enter rehab. Starring Marc Maron and Constance Zimmer.',
              'age_limit': 17,
              'upload_date': '20160505',
              'timestamp': 1462468831,
              'uploader': 'AMCN',
          },
          'params': {
              # m3u8 download
              'skip_download': True,
          },
          'skip': 'Requires TV provider accounts',
      }, {
          'url': 'http://www.bbcamerica.com/shows/the-hunt/full-episodes/season-1/episode-01-the-hardest-challenge',
          'only_matching': True,
      }, {
          'url': 'http://www.amc.com/shows/preacher/full-episodes/season-01/episode-00/pilot',
          'only_matching': True,
      }, {
          'url': 'http://www.wetv.com/shows/million-dollar-matchmaker/season-01/episode-06-the-dumped-dj-and-shallow-hal',
          'only_matching': True,
      }, {
          'url': 'http://www.ifc.com/movies/chaos',
          'only_matching': True,
      }]
  
      def _real_extract(self, url):
          display_id = self._match_id(url)
          webpage = self._download_webpage(url, display_id)
          query = {
              'mbr': 'true',
              'manifest': 'm3u',
          }
          media_url = self._search_regex(r'window\.platformLinkURL\s*=\s*[\'"]([^\'"]+)', webpage, 'media url')
          theplatform_metadata = self._download_theplatform_metadata(self._search_regex(
              r'https?://link.theplatform.com/s/([^?]+)', media_url, 'theplatform_path'), display_id)
          info = self._parse_theplatform_metadata(theplatform_metadata)
          video_id = theplatform_metadata['pid']
          title = theplatform_metadata['title']
          rating = theplatform_metadata['ratings'][0]['rating']
          auth_required = self._search_regex(r'window\.authRequired\s*=\s*(true|false);', webpage, 'auth required')
          if auth_required == 'true':
              requestor_id = self._search_regex(r'window\.requestor_id\s*=\s*[\'"]([^\'"]+)', webpage, 'requestor id')
              resource = self._get_mvpd_resource(requestor_id, title, video_id, rating)
              query['auth'] = self._extract_mvpd_auth(url, video_id, requestor_id, resource)
          media_url = update_url_query(media_url, query)
          formats, subtitles = self._extract_theplatform_smil(media_url, video_id)
          self._sort_formats(formats)
          info.update({
              'id': video_id,
              'subtitles': subtitles,
              'formats': formats,
              'age_limit': parse_age_limit(parse_age_limit(rating)),
          })
          ns_keys = theplatform_metadata.get('$xmlns', {}).keys()
          if ns_keys:
              ns = list(ns_keys)[0]
              series = theplatform_metadata.get(ns + '$show')
              season_number = int_or_none(theplatform_metadata.get(ns + '$season'))
              episode = theplatform_metadata.get(ns + '$episodeTitle')
              episode_number = int_or_none(theplatform_metadata.get(ns + '$episode'))
              if season_number:
                  title = 'Season %d - %s' % (season_number, title)
              if series:
                  title = '%s - %s' % (series, title)
              info.update({
                  'title': title,
                  'series': series,
                  'season_number': season_number,
                  'episode': episode,
                  'episode_number': episode_number,
              })
          return info
  