text: from __future__ import unicode_literals
  
  import time
  import hmac
  import hashlib
  import re
  
  from .common import InfoExtractor
  from ..compat import compat_str
  from ..utils import (
      ExtractorError,
      float_or_none,
      int_or_none,
      sanitized_Request,
      urlencode_postdata,
      xpath_text,
  )
  
  
  class AtresPlayerIE(InfoExtractor):
      _VALID_URL = r'https?://(?:www\.)?atresplayer\.com/television/[^/]+/[^/]+/[^/]+/(?P<id>.+?)_\d+\.html'
      _NETRC_MACHINE = 'atresplayer'
      _TESTS = [
          {
              'url': 'http://www.atresplayer.com/television/programas/el-club-de-la-comedia/temporada-4/capitulo-10-especial-solidario-nochebuena_2014122100174.html',
              'md5': 'efd56753cda1bb64df52a3074f62e38a',
              'info_dict': {
                  'id': 'capitulo-10-especial-solidario-nochebuena',
                  'ext': 'mp4',
                  'title': 'Especial Solidario de Nochebuena',
                  'description': 'md5:e2d52ff12214fa937107d21064075bf1',
                  'duration': 5527.6,
                  'thumbnail': r're:^https?://.*\.jpg$',
              },
              'skip': 'This video is only available for registered users'
          },
          {
              'url': 'http://www.atresplayer.com/television/especial/videoencuentros/temporada-1/capitulo-112-david-bustamante_2014121600375.html',
              'md5': '0d0e918533bbd4b263f2de4d197d4aac',
              'info_dict': {
                  'id': 'capitulo-112-david-bustamante',
                  'ext': 'flv',
                  'title': 'David Bustamante',
                  'description': 'md5:f33f1c0a05be57f6708d4dd83a3b81c6',
                  'duration': 1439.0,
                  'thumbnail': r're:^https?://.*\.jpg$',
              },
          },
          {
              'url': 'http://www.atresplayer.com/television/series/el-secreto-de-puente-viejo/el-chico-de-los-tres-lunares/capitulo-977-29-12-14_2014122400174.html',
              'only_matching': True,
          },
      ]
  
      _USER_AGENT = 'Dalvik/1.6.0 (Linux; U; Android 4.3; GT-I9300 Build/JSS15J'
      _MAGIC = 'QWtMLXs414Yo+c#_+Q#K@NN)'
      _TIMESTAMP_SHIFT = 30000
  
      _TIME_API_URL = 'http://servicios.atresplayer.com/api/admin/time.json'
      _URL_VIDEO_TEMPLATE = 'https://servicios.atresplayer.com/api/urlVideo/{1}/{0}/{1}|{2}|{3}.json'
      _PLAYER_URL_TEMPLATE = 'https://servicios.atresplayer.com/episode/getplayer.json?episodePk=%s'
      _EPISODE_URL_TEMPLATE = 'http://www.atresplayer.com/episodexml/%s'
  
      _LOGIN_URL = 'https://servicios.atresplayer.com/j_spring_security_check'
  
      _ERRORS = {
          'UNPUBLISHED': 'We\'re sorry, but this video is not yet available.',
          'DELETED': 'This video has expired and is no longer available for online streaming.',
          'GEOUNPUBLISHED': 'We\'re sorry, but this video is not available in your region due to right restrictions.',
          # 'PREMIUM': 'PREMIUM',
      }
  
      def _real_initialize(self):
          self._login()
  
      def _login(self):
          (username, password) = self._get_login_info()
          if username is None:
              return
  
          login_form = {
              'j_username': username,
              'j_password': password,
          }
  
          request = sanitized_Request(
              self._LOGIN_URL, urlencode_postdata(login_form))
          request.add_header('Content-Type', 'application/x-www-form-urlencoded')
          response = self._download_webpage(
              request, None, 'Logging in as %s' % username)
  
          error = self._html_search_regex(
              r'(?s)<ul[^>]+class="[^"]*\blist_error\b[^"]*">(.+?)</ul>',
              response, 'error', default=None)
          if error:
              raise ExtractorError(
                  'Unable to login: %s' % error, expected=True)
  
      def _real_extract(self, url):
          video_id = self._match_id(url)
  
          webpage = self._download_webpage(url, video_id)
  
          episode_id = self._search_regex(
              r'episode="([^"]+)"', webpage, 'episode id')
  
          request = sanitized_Request(
              self._PLAYER_URL_TEMPLATE % episode_id,
              headers={'User-Agent': self._USER_AGENT})
          player = self._download_json(request, episode_id, 'Downloading player JSON')
  
          episode_type = player.get('typeOfEpisode')
          error_message = self._ERRORS.get(episode_type)
          if error_message:
              raise ExtractorError(
                  '%s returned error: %s' % (self.IE_NAME, error_message), expected=True)
  
          formats = []
          video_url = player.get('urlVideo')
          if video_url:
              format_info = {
                  'url': video_url,
                  'format_id': 'http',
              }
              mobj = re.search(r'(?P<bitrate>\d+)K_(?P<width>\d+)x(?P<height>\d+)', video_url)
              if mobj:
                  format_info.update({
                      'width': int_or_none(mobj.group('width')),
                      'height': int_or_none(mobj.group('height')),
                      'tbr': int_or_none(mobj.group('bitrate')),
                  })
              formats.append(format_info)
  
          timestamp = int_or_none(self._download_webpage(
              self._TIME_API_URL,
              video_id, 'Downloading timestamp', fatal=False), 1000, time.time())
          timestamp_shifted = compat_str(timestamp + self._TIMESTAMP_SHIFT)
          token = hmac.new(
              self._MAGIC.encode('ascii'),
              (episode_id + timestamp_shifted).encode('utf-8'), hashlib.md5
          ).hexdigest()
  
          request = sanitized_Request(
              self._URL_VIDEO_TEMPLATE.format('windows', episode_id, timestamp_shifted, token),
              headers={'User-Agent': self._USER_AGENT})
  
          fmt_json = self._download_json(
              request, video_id, 'Downloading windows video JSON')
  
          result = fmt_json.get('resultDes')
          if result.lower() != 'ok':
              raise ExtractorError(
                  '%s returned error: %s' % (self.IE_NAME, result), expected=True)
  
          for format_id, video_url in fmt_json['resultObject'].items():
              if format_id == 'token' or not video_url.startswith('http'):
                  continue
              if 'geodeswowsmpra3player' in video_url:
                  # f4m_path = video_url.split('smil:', 1)[-1].split('free_', 1)[0]
                  # f4m_url = 'http://drg.antena3.com/{0}hds/es/sd.f4m'.format(f4m_path)
                  # this videos are protected by DRM, the f4m downloader doesn't support them
                  continue
              video_url_hd = video_url.replace('free_es', 'es')
              formats.extend(self._extract_f4m_formats(
                  video_url_hd[:-9] + '/manifest.f4m', video_id, f4m_id='hds',
                  fatal=False))
              formats.extend(self._extract_mpd_formats(
                  video_url_hd[:-9] + '/manifest.mpd', video_id, mpd_id='dash',
                  fatal=False))
          self._sort_formats(formats)
  
          path_data = player.get('pathData')
  
          episode = self._download_xml(
              self._EPISODE_URL_TEMPLATE % path_data, video_id,
              'Downloading episode XML')
  
          duration = float_or_none(xpath_text(
              episode, './media/asset/info/technical/contentDuration', 'duration'))
  
          art = episode.find('./media/asset/info/art')
          title = xpath_text(art, './name', 'title')
          description = xpath_text(art, './description', 'description')
          thumbnail = xpath_text(episode, './media/asset/files/background', 'thumbnail')
  
          subtitles = {}
          subtitle_url = xpath_text(episode, './media/asset/files/subtitle', 'subtitle')
          if subtitle_url:
              subtitles['es'] = [{
                  'ext': 'srt',
                  'url': subtitle_url,
              }]
  
          return {
              'id': video_id,
              'title': title,
              'description': description,
              'thumbnail': thumbnail,
              'duration': duration,
              'formats': formats,
              'subtitles': subtitles,
          }
  