text: # coding: utf-8
  from __future__ import unicode_literals
  
  from .common import InfoExtractor
  from ..utils import (
      ExtractorError,
      clean_html,
      compat_str,
      float_or_none,
      int_or_none,
      parse_iso8601,
      try_get,
      urljoin,
  )
  
  
  class BeamProBaseIE(InfoExtractor):
      _API_BASE = 'https://mixer.com/api/v1'
      _RATINGS = {'family': 0, 'teen': 13, '18+': 18}
  
      def _extract_channel_info(self, chan):
          user_id = chan.get('userId') or try_get(chan, lambda x: x['user']['id'])
          return {
              'uploader': chan.get('token') or try_get(
                  chan, lambda x: x['user']['username'], compat_str),
              'uploader_id': compat_str(user_id) if user_id else None,
              'age_limit': self._RATINGS.get(chan.get('audience')),
          }
  
  
  class BeamProLiveIE(BeamProBaseIE):
      IE_NAME = 'Mixer:live'
      _VALID_URL = r'https?://(?:\w+\.)?(?:beam\.pro|mixer\.com)/(?P<id>[^/?#&]+)'
      _TEST = {
          'url': 'http://mixer.com/niterhayven',
          'info_dict': {
              'id': '261562',
              'ext': 'mp4',
              'title': 'Introducing The Witcher 3 //  The Grind Starts Now!',
              'description': 'md5:0b161ac080f15fe05d18a07adb44a74d',
              'thumbnail': r're:https://.*\.jpg$',
              'timestamp': 1483477281,
              'upload_date': '20170103',
              'uploader': 'niterhayven',
              'uploader_id': '373396',
              'age_limit': 18,
              'is_live': True,
              'view_count': int,
          },
          'skip': 'niterhayven is offline',
          'params': {
              'skip_download': True,
          },
      }
  
      _MANIFEST_URL_TEMPLATE = '%s/channels/%%s/manifest.%%s' % BeamProBaseIE._API_BASE
  
      @classmethod
      def suitable(cls, url):
          return False if BeamProVodIE.suitable(url) else super(BeamProLiveIE, cls).suitable(url)
  
      def _real_extract(self, url):
          channel_name = self._match_id(url)
  
          chan = self._download_json(
              '%s/channels/%s' % (self._API_BASE, channel_name), channel_name)
  
          if chan.get('online') is False:
              raise ExtractorError(
                  '{0} is offline'.format(channel_name), expected=True)
  
          channel_id = chan['id']
  
          def manifest_url(kind):
              return self._MANIFEST_URL_TEMPLATE % (channel_id, kind)
  
          formats = self._extract_m3u8_formats(
              manifest_url('m3u8'), channel_name, ext='mp4', m3u8_id='hls',
              fatal=False)
          formats.extend(self._extract_smil_formats(
              manifest_url('smil'), channel_name, fatal=False))
          self._sort_formats(formats)
  
          info = {
              'id': compat_str(chan.get('id') or channel_name),
              'title': self._live_title(chan.get('name') or channel_name),
              'description': clean_html(chan.get('description')),
              'thumbnail': try_get(
                  chan, lambda x: x['thumbnail']['url'], compat_str),
              'timestamp': parse_iso8601(chan.get('updatedAt')),
              'is_live': True,
              'view_count': int_or_none(chan.get('viewersTotal')),
              'formats': formats,
          }
          info.update(self._extract_channel_info(chan))
  
          return info
  
  
  class BeamProVodIE(BeamProBaseIE):
      IE_NAME = 'Mixer:vod'
      _VALID_URL = r'https?://(?:\w+\.)?(?:beam\.pro|mixer\.com)/[^/?#&]+\?.*?\bvod=(?P<id>\d+)'
      _TEST = {
          'url': 'https://mixer.com/willow8714?vod=2259830',
          'md5': 'b2431e6e8347dc92ebafb565d368b76b',
          'info_dict': {
              'id': '2259830',
              'ext': 'mp4',
              'title': 'willow8714\'s Channel',
              'duration': 6828.15,
              'thumbnail': r're:https://.*source\.png$',
              'timestamp': 1494046474,
              'upload_date': '20170506',
              'uploader': 'willow8714',
              'uploader_id': '6085379',
              'age_limit': 13,
              'view_count': int,
          },
          'params': {
              'skip_download': True,
          },
      }
  
      @staticmethod
      def _extract_format(vod, vod_type):
          if not vod.get('baseUrl'):
              return []
  
          if vod_type == 'hls':
              filename, protocol = 'manifest.m3u8', 'm3u8_native'
          elif vod_type == 'raw':
              filename, protocol = 'source.mp4', 'https'
          else:
              assert False
  
          data = vod.get('data') if isinstance(vod.get('data'), dict) else {}
  
          format_id = [vod_type]
          if isinstance(data.get('Height'), compat_str):
              format_id.append('%sp' % data['Height'])
  
          return [{
              'url': urljoin(vod['baseUrl'], filename),
              'format_id': '-'.join(format_id),
              'ext': 'mp4',
              'protocol': protocol,
              'width': int_or_none(data.get('Width')),
              'height': int_or_none(data.get('Height')),
              'fps': int_or_none(data.get('Fps')),
              'tbr': int_or_none(data.get('Bitrate'), 1000),
          }]
  
      def _real_extract(self, url):
          vod_id = self._match_id(url)
  
          vod_info = self._download_json(
              '%s/recordings/%s' % (self._API_BASE, vod_id), vod_id)
  
          state = vod_info.get('state')
          if state != 'AVAILABLE':
              raise ExtractorError(
                  'VOD %s is not available (state: %s)' % (vod_id, state),
                  expected=True)
  
          formats = []
          thumbnail_url = None
  
          for vod in vod_info['vods']:
              vod_type = vod.get('format')
              if vod_type in ('hls', 'raw'):
                  formats.extend(self._extract_format(vod, vod_type))
              elif vod_type == 'thumbnail':
                  thumbnail_url = urljoin(vod.get('baseUrl'), 'source.png')
  
          self._sort_formats(formats)
  
          info = {
              'id': vod_id,
              'title': vod_info.get('name') or vod_id,
              'duration': float_or_none(vod_info.get('duration')),
              'thumbnail': thumbnail_url,
              'timestamp': parse_iso8601(vod_info.get('createdAt')),
              'view_count': int_or_none(vod_info.get('viewsTotal')),
              'formats': formats,
          }
          info.update(self._extract_channel_info(vod_info.get('channel') or {}))
  
          return info
  