text: from __future__ import unicode_literals
  
  import re
  
  from .common import InfoExtractor
  from ..compat import compat_HTTPError
  from ..utils import (
      fix_xml_ampersands,
      orderedSet,
      parse_duration,
      qualities,
      strip_jsonp,
      unified_strdate,
      ExtractorError,
  )
  
  
  class NPOBaseIE(InfoExtractor):
      def _get_token(self, video_id):
          token_page = self._download_webpage(
              'http://ida.omroep.nl/npoplayer/i.js',
              video_id, note='Downloading token')
          token = self._search_regex(
              r'npoplayer\.token = "(.+?)"', token_page, 'token')
          # Decryption algorithm extracted from http://npoplayer.omroep.nl/csjs/npoplayer-min.js
          token_l = list(token)
          first = second = None
          for i in range(5, len(token_l) - 4):
              if token_l[i].isdigit():
                  if first is None:
                      first = i
                  elif second is None:
                      second = i
          if first is None or second is None:
              first = 12
              second = 13
  
          token_l[first], token_l[second] = token_l[second], token_l[first]
  
          return ''.join(token_l)
  
  
  class NPOIE(NPOBaseIE):
      IE_NAME = 'npo'
      IE_DESC = 'npo.nl and ntr.nl'
      _VALID_URL = r'''(?x)
                      (?:
                          npo:|
                          https?://
                              (?:www\.)?
                              (?:
                                  npo\.nl/(?!live|radio)(?:[^/]+/){2}|
                                  ntr\.nl/(?:[^/]+/){2,}|
                                  omroepwnl\.nl/video/fragment/[^/]+__
                              )
                          )
                          (?P<id>[^/?#]+)
                  '''
  
      _TESTS = [
          {
              'url': 'http://www.npo.nl/nieuwsuur/22-06-2014/VPWON_1220719',
              'md5': '4b3f9c429157ec4775f2c9cb7b911016',
              'info_dict': {
                  'id': 'VPWON_1220719',
                  'ext': 'm4v',
                  'title': 'Nieuwsuur',
                  'description': 'Dagelijks tussen tien en elf: nieuws, sport en achtergronden.',
                  'upload_date': '20140622',
              },
          },
          {
              'url': 'http://www.npo.nl/de-mega-mike-mega-thomas-show/27-02-2009/VARA_101191800',
              'md5': 'da50a5787dbfc1603c4ad80f31c5120b',
              'info_dict': {
                  'id': 'VARA_101191800',
                  'ext': 'm4v',
                  'title': 'De Mega Mike & Mega Thomas show: The best of.',
                  'description': 'md5:3b74c97fc9d6901d5a665aac0e5400f4',
                  'upload_date': '20090227',
                  'duration': 2400,
              },
          },
          {
              'url': 'http://www.npo.nl/tegenlicht/25-02-2013/VPWON_1169289',
              'md5': 'f8065e4e5a7824068ed3c7e783178f2c',
              'info_dict': {
                  'id': 'VPWON_1169289',
                  'ext': 'm4v',
                  'title': 'Tegenlicht: De toekomst komt uit Afrika',
                  'description': 'md5:52cf4eefbc96fffcbdc06d024147abea',
                  'upload_date': '20130225',
                  'duration': 3000,
              },
          },
          {
              'url': 'http://www.npo.nl/de-nieuwe-mens-deel-1/21-07-2010/WO_VPRO_043706',
              'info_dict': {
                  'id': 'WO_VPRO_043706',
                  'ext': 'wmv',
                  'title': 'De nieuwe mens - Deel 1',
                  'description': 'md5:518ae51ba1293ffb80d8d8ce90b74e4b',
                  'duration': 4680,
              },
              'params': {
                  # mplayer mms download
                  'skip_download': True,
              }
          },
          # non asf in streams
          {
              'url': 'http://www.npo.nl/hoe-gaat-europa-verder-na-parijs/10-01-2015/WO_NOS_762771',
              'md5': 'b3da13de374cbe2d5332a7e910bef97f',
              'info_dict': {
                  'id': 'WO_NOS_762771',
                  'ext': 'mp4',
                  'title': 'Hoe gaat Europa verder na Parijs?',
              },
          },
          {
              'url': 'http://www.ntr.nl/Aap-Poot-Pies/27/detail/Aap-poot-pies/VPWON_1233944#content',
              'md5': '01c6a2841675995da1f0cf776f03a9c3',
              'info_dict': {
                  'id': 'VPWON_1233944',
                  'ext': 'm4v',
                  'title': 'Aap, poot, pies',
                  'description': 'md5:c9c8005d1869ae65b858e82c01a91fde',
                  'upload_date': '20150508',
                  'duration': 599,
              },
          },
          {
              'url': 'http://www.omroepwnl.nl/video/fragment/vandaag-de-dag-verkiezingen__POMS_WNL_853698',
              'md5': 'd30cd8417b8b9bca1fdff27428860d08',
              'info_dict': {
                  'id': 'POW_00996502',
                  'ext': 'm4v',
                  'title': '''"Dit is wel een 'landslide'..."''',
                  'description': 'md5:f8d66d537dfb641380226e31ca57b8e8',
                  'upload_date': '20150508',
                  'duration': 462,
              },
          }
      ]
  
      def _real_extract(self, url):
          video_id = self._match_id(url)
          return self._get_info(video_id)
  
      def _get_info(self, video_id):
          metadata = self._download_json(
              'http://e.omroep.nl/metadata/%s' % video_id,
              video_id,
              # We have to remove the javascript callback
              transform_source=strip_jsonp,
          )
  
          # For some videos actual video id (prid) is different (e.g. for
          # http://www.omroepwnl.nl/video/fragment/vandaag-de-dag-verkiezingen__POMS_WNL_853698
          # video id is POMS_WNL_853698 but prid is POW_00996502)
          video_id = metadata.get('prid') or video_id
  
          # titel is too generic in some cases so utilize aflevering_titel as well
          # when available (e.g. http://tegenlicht.vpro.nl/afleveringen/2014-2015/access-to-africa.html)
          title = metadata['titel']
          sub_title = metadata.get('aflevering_titel')
          if sub_title and sub_title != title:
              title += ': %s' % sub_title
  
          token = self._get_token(video_id)
  
          formats = []
  
          pubopties = metadata.get('pubopties')
          if pubopties:
              quality = qualities(['adaptive', 'wmv_sb', 'h264_sb', 'wmv_bb', 'h264_bb', 'wvc1_std', 'h264_std'])
              for format_id in pubopties:
                  format_info = self._download_json(
                      'http://ida.omroep.nl/odi/?prid=%s&puboptions=%s&adaptive=yes&token=%s'
                      % (video_id, format_id, token),
                      video_id, 'Downloading %s JSON' % format_id)
                  if format_info.get('error_code', 0) or format_info.get('errorcode', 0):
                      continue
                  streams = format_info.get('streams')
                  if streams:
                      try:
                          video_info = self._download_json(
                              streams[0] + '&type=json',
                              video_id, 'Downloading %s stream JSON' % format_id)
                      except ExtractorError as ee:
                          if isinstance(ee.cause, compat_HTTPError) and ee.cause.code == 404:
                              error = (self._parse_json(ee.cause.read().decode(), video_id, fatal=False) or {}).get('errorstring')
                              if error:
                                  raise ExtractorError(error, expected=True)
                          raise
                  else:
                      video_info = format_info
                  video_url = video_info.get('url')
                  if not video_url:
                      continue
                  if format_id == 'adaptive':
                      formats.extend(self._extract_m3u8_formats(video_url, video_id, 'mp4'))
                  else:
                      formats.append({
                          'url': video_url,
                          'format_id': format_id,
                          'quality': quality(format_id),
                      })
  
          streams = metadata.get('streams')
          if streams:
              for i, stream in enumerate(streams):
                  stream_url = stream.get('url')
                  if not stream_url:
                      continue
                  if '.asf' not in stream_url:
                      formats.append({
                          'url': stream_url,
                          'quality': stream.get('kwaliteit'),
                      })
                      continue
                  asx = self._download_xml(
                      stream_url, video_id,
                      'Downloading stream %d ASX playlist' % i,
                      transform_source=fix_xml_ampersands)
                  ref = asx.find('./ENTRY/Ref')
                  if ref is None:
                      continue
                  video_url = ref.get('href')
                  if not video_url:
                      continue
                  formats.append({
                      'url': video_url,
                      'ext': stream.get('formaat', 'asf'),
                      'quality': stream.get('kwaliteit'),
                  })
  
          self._sort_formats(formats)
  
          subtitles = {}
          if metadata.get('tt888') == 'ja':
              subtitles['nl'] = [{
                  'ext': 'vtt',
                  'url': 'http://tt888.omroep.nl/tt888/%s' % video_id,
              }]
  
          return {
              'id': video_id,
              'title': title,
              'description': metadata.get('info'),
              'thumbnail': metadata.get('images', [{'url': None}])[-1]['url'],
              'upload_date': unified_strdate(metadata.get('gidsdatum')),
              'duration': parse_duration(metadata.get('tijdsduur')),
              'formats': formats,
              'subtitles': subtitles,
          }
  
  
  class NPOLiveIE(NPOBaseIE):
      IE_NAME = 'npo.nl:live'
      _VALID_URL = r'https?://(?:www\.)?npo\.nl/live/(?P<id>.+)'
  
      _TEST = {
          'url': 'http://www.npo.nl/live/npo-1',
          'info_dict': {
              'id': 'LI_NEDERLAND1_136692',
              'display_id': 'npo-1',
              'ext': 'mp4',
              'title': 're:^Nederland 1 [0-9]{4}-[0-9]{2}-[0-9]{2} [0-9]{2}:[0-9]{2}$',
              'description': 'Livestream',
              'is_live': True,
          },
          'params': {
              'skip_download': True,
          }
      }
  
      def _real_extract(self, url):
          display_id = self._match_id(url)
  
          webpage = self._download_webpage(url, display_id)
  
          live_id = self._search_regex(
              r'data-prid="([^"]+)"', webpage, 'live id')
  
          metadata = self._download_json(
              'http://e.omroep.nl/metadata/%s' % live_id,
              display_id, transform_source=strip_jsonp)
  
          token = self._get_token(display_id)
  
          formats = []
  
          streams = metadata.get('streams')
          if streams:
              for stream in streams:
                  stream_type = stream.get('type').lower()
                  # smooth streaming is not supported
                  if stream_type in ['ss', 'ms']:
                      continue
                  stream_info = self._download_json(
                      'http://ida.omroep.nl/aapi/?stream=%s&token=%s&type=jsonp'
                      % (stream.get('url'), token),
                      display_id, 'Downloading %s JSON' % stream_type)
                  if stream_info.get('error_code', 0) or stream_info.get('errorcode', 0):
                      continue
                  stream_url = self._download_json(
                      stream_info['stream'], display_id,
                      'Downloading %s URL' % stream_type,
                      'Unable to download %s URL' % stream_type,
                      transform_source=strip_jsonp, fatal=False)
                  if not stream_url:
                      continue
                  if stream_type == 'hds':
                      f4m_formats = self._extract_f4m_formats(stream_url, display_id)
                      # f4m downloader downloads only piece of live stream
                      for f4m_format in f4m_formats:
                          f4m_format['preference'] = -1
                      formats.extend(f4m_formats)
                  elif stream_type == 'hls':
                      formats.extend(self._extract_m3u8_formats(stream_url, display_id, 'mp4'))
                  else:
                      formats.append({
                          'url': stream_url,
                          'preference': -10,
                      })
  
          self._sort_formats(formats)
  
          return {
              'id': live_id,
              'display_id': display_id,
              'title': self._live_title(metadata['titel']),
              'description': metadata['info'],
              'thumbnail': metadata.get('images', [{'url': None}])[-1]['url'],
              'formats': formats,
              'is_live': True,
          }
  
  
  class NPORadioIE(InfoExtractor):
      IE_NAME = 'npo.nl:radio'
      _VALID_URL = r'https?://(?:www\.)?npo\.nl/radio/(?P<id>[^/]+)/?$'
  
      _TEST = {
          'url': 'http://www.npo.nl/radio/radio-1',
          'info_dict': {
              'id': 'radio-1',
              'ext': 'mp3',
              'title': 're:^NPO Radio 1 [0-9]{4}-[0-9]{2}-[0-9]{2} [0-9]{2}:[0-9]{2}$',
              'is_live': True,
          },
          'params': {
              'skip_download': True,
          }
      }
  
      @staticmethod
      def _html_get_attribute_regex(attribute):
          return r'{0}\s*=\s*\'([^\']+)\''.format(attribute)
  
      def _real_extract(self, url):
          video_id = self._match_id(url)
  
          webpage = self._download_webpage(url, video_id)
  
          title = self._html_search_regex(
              self._html_get_attribute_regex('data-channel'), webpage, 'title')
  
          stream = self._parse_json(
              self._html_search_regex(self._html_get_attribute_regex('data-streams'), webpage, 'data-streams'),
              video_id)
  
          codec = stream.get('codec')
  
          return {
              'id': video_id,
              'url': stream['url'],
              'title': self._live_title(title),
              'acodec': codec,
              'ext': codec,
              'is_live': True,
          }
  
  
  class NPORadioFragmentIE(InfoExtractor):
      IE_NAME = 'npo.nl:radio:fragment'
      _VALID_URL = r'https?://(?:www\.)?npo\.nl/radio/[^/]+/fragment/(?P<id>\d+)'
  
      _TEST = {
          'url': 'http://www.npo.nl/radio/radio-5/fragment/174356',
          'md5': 'dd8cc470dad764d0fdc70a9a1e2d18c2',
          'info_dict': {
              'id': '174356',
              'ext': 'mp3',
              'title': 'Jubileumconcert Willeke Alberti',
          },
      }
  
      def _real_extract(self, url):
          audio_id = self._match_id(url)
  
          webpage = self._download_webpage(url, audio_id)
  
          title = self._html_search_regex(
              r'href="/radio/[^/]+/fragment/%s" title="([^"]+)"' % audio_id,
              webpage, 'title')
  
          audio_url = self._search_regex(
              r"data-streams='([^']+)'", webpage, 'audio url')
  
          return {
              'id': audio_id,
              'url': audio_url,
              'title': title,
          }
  
  
  class SchoolTVIE(InfoExtractor):
      IE_NAME = 'schooltv'
      _VALID_URL = r'https?://(?:www\.)?schooltv\.nl/video/(?P<id>[^/?#&]+)'
  
      _TEST = {
          'url': 'http://www.schooltv.nl/video/ademhaling-de-hele-dag-haal-je-adem-maar-wat-gebeurt-er-dan-eigenlijk-in-je-lichaam/',
          'info_dict': {
              'id': 'WO_NTR_429477',
              'display_id': 'ademhaling-de-hele-dag-haal-je-adem-maar-wat-gebeurt-er-dan-eigenlijk-in-je-lichaam',
              'title': 'Ademhaling: De hele dag haal je adem. Maar wat gebeurt er dan eigenlijk in je lichaam?',
              'ext': 'mp4',
              'description': 'md5:abfa0ff690adb73fd0297fd033aaa631'
          },
          'params': {
              # Skip because of m3u8 download
              'skip_download': True
          }
      }
  
      def _real_extract(self, url):
          display_id = self._match_id(url)
          webpage = self._download_webpage(url, display_id)
          video_id = self._search_regex(
              r'data-mid=(["\'])(?P<id>(?:(?!\1).)+)\1', webpage, 'video_id', group='id')
          return {
              '_type': 'url_transparent',
              'ie_key': 'NPO',
              'url': 'npo:%s' % video_id,
              'display_id': display_id
          }
  
  
  class NPOPlaylistBaseIE(NPOIE):
      def _real_extract(self, url):
          playlist_id = self._match_id(url)
  
          webpage = self._download_webpage(url, playlist_id)
  
          entries = [
              self.url_result('npo:%s' % video_id if not video_id.startswith('http') else video_id)
              for video_id in orderedSet(re.findall(self._PLAYLIST_ENTRY_RE, webpage))
          ]
  
          playlist_title = self._html_search_regex(
              self._PLAYLIST_TITLE_RE, webpage, 'playlist title',
              default=None) or self._og_search_title(webpage)
  
          return self.playlist_result(entries, playlist_id, playlist_title)
  
  
  class VPROIE(NPOPlaylistBaseIE):
      IE_NAME = 'vpro'
      _VALID_URL = r'https?://(?:www\.)?(?:(?:tegenlicht\.)?vpro|2doc)\.nl/(?:[^/]+/)*(?P<id>[^/]+)\.html'
      _PLAYLIST_TITLE_RE = (r'<h1[^>]+class=["\'].*?\bmedia-platform-title\b.*?["\'][^>]*>([^<]+)',
                            r'<h5[^>]+class=["\'].*?\bmedia-platform-subtitle\b.*?["\'][^>]*>([^<]+)')
      _PLAYLIST_ENTRY_RE = r'data-media-id="([^"]+)"'
  
      _TESTS = [
          {
              'url': 'http://tegenlicht.vpro.nl/afleveringen/2012-2013/de-toekomst-komt-uit-afrika.html',
              'md5': 'f8065e4e5a7824068ed3c7e783178f2c',
              'info_dict': {
                  'id': 'VPWON_1169289',
                  'ext': 'm4v',
                  'title': 'De toekomst komt uit Afrika',
                  'description': 'md5:52cf4eefbc96fffcbdc06d024147abea',
                  'upload_date': '20130225',
              },
              'skip': 'Video gone',
          },
          {
              'url': 'http://www.vpro.nl/programmas/2doc/2015/sergio-herman.html',
              'info_dict': {
                  'id': 'sergio-herman',
                  'title': 'sergio herman: fucking perfect',
              },
              'playlist_count': 2,
          },
          {
              # playlist with youtube embed
              'url': 'http://www.vpro.nl/programmas/2doc/2015/education-education.html',
              'info_dict': {
                  'id': 'education-education',
                  'title': 'education education',
              },
              'playlist_count': 2,
          },
          {
              'url': 'http://www.2doc.nl/documentaires/series/2doc/2015/oktober/de-tegenprestatie.html',
              'info_dict': {
                  'id': 'de-tegenprestatie',
                  'title': 'De Tegenprestatie',
              },
              'playlist_count': 2,
          }, {
              'url': 'http://www.2doc.nl/speel~VARA_101375237~mh17-het-verdriet-van-nederland~.html',
              'info_dict': {
                  'id': 'VARA_101375237',
                  'ext': 'm4v',
                  'title': 'MH17: Het verdriet van Nederland',
                  'description': 'md5:09e1a37c1fdb144621e22479691a9f18',
                  'upload_date': '20150716',
              },
              'params': {
                  # Skip because of m3u8 download
                  'skip_download': True
              },
          }
      ]
  
  
  class WNLIE(NPOPlaylistBaseIE):
      IE_NAME = 'wnl'
      _VALID_URL = r'https?://(?:www\.)?omroepwnl\.nl/video/detail/(?P<id>[^/]+)__\d+'
      _PLAYLIST_TITLE_RE = r'(?s)<h1[^>]+class="subject"[^>]*>(.+?)</h1>'
      _PLAYLIST_ENTRY_RE = r'<a[^>]+href="([^"]+)"[^>]+class="js-mid"[^>]*>Deel \d+'
  
      _TESTS = [{
          'url': 'http://www.omroepwnl.nl/video/detail/vandaag-de-dag-6-mei__060515',
          'info_dict': {
              'id': 'vandaag-de-dag-6-mei',
              'title': 'Vandaag de Dag 6 mei',
          },
          'playlist_count': 4,
      }]
  
  
  class AndereTijdenIE(NPOPlaylistBaseIE):
      IE_NAME = 'anderetijden'
      _VALID_URL = r'https?://(?:www\.)?anderetijden\.nl/programma/(?:[^/]+/)+(?P<id>[^/?#&]+)'
      _PLAYLIST_TITLE_RE = r'(?s)<h1[^>]+class=["\'].*?\bpage-title\b.*?["\'][^>]*>(.+?)</h1>'
      _PLAYLIST_ENTRY_RE = r'<figure[^>]+class=["\']episode-container episode-page["\'][^>]+data-prid=["\'](.+?)["\']'
  
      _TESTS = [{
          'url': 'http://anderetijden.nl/programma/1/Andere-Tijden/aflevering/676/Duitse-soldaten-over-de-Slag-bij-Arnhem',
          'info_dict': {
              'id': 'Duitse-soldaten-over-de-Slag-bij-Arnhem',
              'title': 'Duitse soldaten over de Slag bij Arnhem',
          },
          'playlist_count': 3,
      }]
  