text: # coding: utf-8
  from __future__ import unicode_literals
  
  import re
  
  from .common import InfoExtractor
  from ..utils import (
      int_or_none,
      parse_iso8601,
  )
  
  
  class TV4IE(InfoExtractor):
      IE_DESC = 'tv4.se and tv4play.se'
      _VALID_URL = r'''(?x)https?://(?:www\.)?
          (?:
              tv4\.se/(?:[^/]+)/klipp/(?:.*)-|
              tv4play\.se/
              (?:
                  (?:program|barn)/(?:(?:[^/]+/){1,2}|(?:[^\?]+)\?video_id=)|
                  iframe/video/|
                  film/|
                  sport/|
              )
          )(?P<id>[0-9]+)'''
      _GEO_COUNTRIES = ['SE']
      _TESTS = [
          {
              'url': 'http://www.tv4.se/kalla-fakta/klipp/kalla-fakta-5-english-subtitles-2491650',
              'md5': 'cb837212f342d77cec06e6dad190e96d',
              'info_dict': {
                  'id': '2491650',
                  'ext': 'mp4',
                  'title': 'Kalla Fakta 5 (english subtitles)',
                  'thumbnail': r're:^https?://.*\.jpg$',
                  'timestamp': int,
                  'upload_date': '20131125',
              },
          },
          {
              'url': 'http://www.tv4play.se/iframe/video/3054113',
              'md5': 'cb837212f342d77cec06e6dad190e96d',
              'info_dict': {
                  'id': '3054113',
                  'ext': 'mp4',
                  'title': 'Så här jobbar ficktjuvarna - se avslöjande bilder',
                  'thumbnail': r're:^https?://.*\.jpg$',
                  'description': 'Unika bilder avslöjar hur turisternas fickor vittjas mitt på Stockholms central. Två experter på ficktjuvarna avslöjar knepen du ska se upp för.',
                  'timestamp': int,
                  'upload_date': '20150130',
              },
          },
          {
              'url': 'http://www.tv4play.se/sport/3060959',
              'only_matching': True,
          },
          {
              'url': 'http://www.tv4play.se/film/2378136',
              'only_matching': True,
          },
          {
              'url': 'http://www.tv4play.se/barn/looney-tunes?video_id=3062412',
              'only_matching': True,
          },
          {
              'url': 'http://www.tv4play.se/program/farang/3922081',
              'only_matching': True,
          },
          {
              'url': 'https://www.tv4play.se/program/nyheterna/avsnitt/13315940',
              'only_matching': True,
          }
      ]
  
      def _real_extract(self, url):
          video_id = self._match_id(url)
  
          info = self._download_json(
              'https://playback-api.b17g.net/asset/%s' % video_id,
              video_id, 'Downloading video info JSON', query={
                  'service': 'tv4',
                  'device': 'browser',
                  'protocol': 'hls,dash',
                  'drm': 'widevine',
              })['metadata']
  
          title = info['title']
  
          manifest_url = self._download_json(
              'https://playback-api.b17g.net/media/' + video_id,
              video_id, query={
                  'service': 'tv4',
                  'device': 'browser',
                  'protocol': 'hls',
              })['playbackItem']['manifestUrl']
          formats = []
          subtitles = {}
  
          fmts, subs = self._extract_m3u8_formats_and_subtitles(
              manifest_url, video_id, 'mp4',
              'm3u8_native', m3u8_id='hls', fatal=False)
          formats.extend(fmts)
          subtitles = self._merge_subtitles(subtitles, subs)
  
          fmts, subs = self._extract_mpd_formats_and_subtitles(
              manifest_url.replace('.m3u8', '.mpd'),
              video_id, mpd_id='dash', fatal=False)
          formats.extend(fmts)
          subtitles = self._merge_subtitles(subtitles, subs)
  
          fmts = self._extract_f4m_formats(
              manifest_url.replace('.m3u8', '.f4m'),
              video_id, f4m_id='hds', fatal=False)
          formats.extend(fmts)
  
          fmts, subs = self._extract_ism_formats_and_subtitles(
              re.sub(r'\.ism/.*?\.m3u8', r'.ism/Manifest', manifest_url),
              video_id, ism_id='mss', fatal=False)
          formats.extend(fmts)
          subtitles = self._merge_subtitles(subtitles, subs)
  
          if not formats and info.get('is_geo_restricted'):
              self.raise_geo_restricted(countries=self._GEO_COUNTRIES, metadata_available=True)
  
          self._sort_formats(formats)
  
          return {
              'id': video_id,
              'title': title,
              'formats': formats,
              'subtitles': subtitles,
              'description': info.get('description'),
              'timestamp': parse_iso8601(info.get('broadcast_date_time')),
              'duration': int_or_none(info.get('duration')),
              'thumbnail': info.get('image'),
              'is_live': info.get('isLive') is True,
              'series': info.get('seriesTitle'),
              'season_number': int_or_none(info.get('seasonNumber')),
              'episode': info.get('episodeTitle'),
              'episode_number': int_or_none(info.get('episodeNumber')),
          }
  