text: # coding: utf-8
  from __future__ import unicode_literals
  
  import re
  
  from .theplatform import ThePlatformBaseIE
  from ..utils import (
      ExtractorError,
      int_or_none,
      update_url_query,
  )
  
  
  class MediasetIE(ThePlatformBaseIE):
      _TP_TLD = 'eu'
      _VALID_URL = r'''(?x)
                      (?:
                          mediaset:|
                          https?://
                              (?:(?:www|static3)\.)?mediasetplay\.mediaset\.it/
                              (?:
                                  (?:video|on-demand)/(?:[^/]+/)+[^/]+_|
                                  player/index\.html\?.*?\bprogramGuid=
                              )
                      )(?P<id>[0-9A-Z]{16})
                      '''
      _TESTS = [{
          # full episode
          'url': 'https://www.mediasetplay.mediaset.it/video/hellogoodbye/quarta-puntata_FAFU000000661824',
          'md5': '9b75534d42c44ecef7bf1ffeacb7f85d',
          'info_dict': {
              'id': 'FAFU000000661824',
              'ext': 'mp4',
              'title': 'Quarta puntata',
              'description': 'md5:d41d8cd98f00b204e9800998ecf8427e',
              'thumbnail': r're:^https?://.*\.jpg$',
              'duration': 1414.26,
              'upload_date': '20161107',
              'series': 'Hello Goodbye',
              'timestamp': 1478532900,
              'uploader': 'Rete 4',
              'uploader_id': 'R4',
          },
      }, {
          'url': 'https://www.mediasetplay.mediaset.it/video/matrix/puntata-del-25-maggio_F309013801000501',
          'md5': '288532f0ad18307705b01e581304cd7b',
          'info_dict': {
              'id': 'F309013801000501',
              'ext': 'mp4',
              'title': 'Puntata del 25 maggio',
              'description': 'md5:d41d8cd98f00b204e9800998ecf8427e',
              'thumbnail': r're:^https?://.*\.jpg$',
              'duration': 6565.007,
              'upload_date': '20180526',
              'series': 'Matrix',
              'timestamp': 1527326245,
              'uploader': 'Canale 5',
              'uploader_id': 'C5',
          },
          'expected_warnings': ['HTTP Error 403: Forbidden'],
      }, {
          # clip
          'url': 'https://www.mediasetplay.mediaset.it/video/gogglebox/un-grande-classico-della-commedia-sexy_FAFU000000661680',
          'only_matching': True,
      }, {
          # iframe simple
          'url': 'https://static3.mediasetplay.mediaset.it/player/index.html?appKey=5ad3966b1de1c4000d5cec48&programGuid=FAFU000000665924&id=665924',
          'only_matching': True,
      }, {
          # iframe twitter (from http://www.wittytv.it/se-prima-mi-fidavo-zero/)
          'url': 'https://static3.mediasetplay.mediaset.it/player/index.html?appKey=5ad3966b1de1c4000d5cec48&programGuid=FAFU000000665104&id=665104',
          'only_matching': True,
      }, {
          'url': 'mediaset:FAFU000000665924',
          'only_matching': True,
      }]
  
      @staticmethod
      def _extract_urls(webpage):
          return [
              mobj.group('url')
              for mobj in re.finditer(
                  r'<iframe\b[^>]+\bsrc=(["\'])(?P<url>https?://(?:www\.)?video\.mediaset\.it/player/playerIFrame(?:Twitter)?\.shtml\?.*?\bid=\d+.*?)\1',
                  webpage)]
  
      def _real_extract(self, url):
          guid = self._match_id(url)
          tp_path = 'PR1GhC/media/guid/2702976343/' + guid
          info = self._extract_theplatform_metadata(tp_path, guid)
  
          formats = []
          subtitles = {}
          first_e = None
          for asset_type in ('SD', 'HD'):
              for f in ('MPEG4', 'MPEG-DASH', 'M3U', 'ISM'):
                  try:
                      tp_formats, tp_subtitles = self._extract_theplatform_smil(
                          update_url_query('http://link.theplatform.%s/s/%s' % (self._TP_TLD, tp_path), {
                              'mbr': 'true',
                              'formats': f,
                              'assetTypes': asset_type,
                          }), guid, 'Downloading %s %s SMIL data' % (f, asset_type))
                  except ExtractorError as e:
                      if not first_e:
                          first_e = e
                      break
                  for tp_f in tp_formats:
                      tp_f['quality'] = 1 if asset_type == 'HD' else 0
                  formats.extend(tp_formats)
                  subtitles = self._merge_subtitles(subtitles, tp_subtitles)
          if first_e and not formats:
              raise first_e
          self._sort_formats(formats)
  
          fields = []
          for templ, repls in (('tvSeason%sNumber', ('', 'Episode')), ('mediasetprogram$%s', ('brandTitle', 'numberOfViews', 'publishInfo'))):
              fields.extend(templ % repl for repl in repls)
          feed_data = self._download_json(
              'https://feed.entertainment.tv.theplatform.eu/f/PR1GhC/mediaset-prod-all-programs/guid/-/' + guid,
              guid, fatal=False, query={'fields': ','.join(fields)})
          if feed_data:
              publish_info = feed_data.get('mediasetprogram$publishInfo') or {}
              info.update({
                  'episode_number': int_or_none(feed_data.get('tvSeasonEpisodeNumber')),
                  'season_number': int_or_none(feed_data.get('tvSeasonNumber')),
                  'series': feed_data.get('mediasetprogram$brandTitle'),
                  'uploader': publish_info.get('description'),
                  'uploader_id': publish_info.get('channel'),
                  'view_count': int_or_none(feed_data.get('mediasetprogram$numberOfViews')),
              })
  
          info.update({
              'id': guid,
              'formats': formats,
              'subtitles': subtitles,
          })
          return info
  