text: from __future__ import unicode_literals
  
  import re
  
  from .common import InfoExtractor
  from ..compat import (
      compat_urllib_parse_unquote,
      compat_urllib_parse_unquote_plus,
  )
  from ..utils import (
      clean_html,
      ExtractorError,
  )
  
  
  class PlayvidIE(InfoExtractor):
      _VALID_URL = r'https?://www\.playvid\.com/watch(\?v=|/)(?P<id>.+?)(?:#|$)'
      _TEST = {
          'url': 'http://www.playvid.com/watch/RnmBNgtrrJu',
          'md5': 'ffa2f6b2119af359f544388d8c01eb6c',
          'info_dict': {
              'id': 'RnmBNgtrrJu',
              'ext': 'mp4',
              'title': 'md5:9256d01c6317e3f703848b5906880dc8',
              'duration': 82,
              'age_limit': 18,
          }
      }
  
      def _real_extract(self, url):
          video_id = self._match_id(url)
          webpage = self._download_webpage(url, video_id)
  
          m_error = re.search(
              r'<div class="block-error">\s*<div class="heading">\s*<div>(?P<msg>.+?)</div>\s*</div>', webpage)
          if m_error:
              raise ExtractorError(clean_html(m_error.group('msg')), expected=True)
  
          video_title = None
          duration = None
          video_thumbnail = None
          formats = []
  
          # most of the information is stored in the flashvars
          flashvars = self._html_search_regex(
              r'flashvars="(.+?)"', webpage, 'flashvars')
  
          infos = compat_urllib_parse_unquote(flashvars).split(r'&')
          for info in infos:
              videovars_match = re.match(r'^video_vars\[(.+?)\]=(.+?)$', info)
              if videovars_match:
                  key = videovars_match.group(1)
                  val = videovars_match.group(2)
  
                  if key == 'title':
                      video_title = compat_urllib_parse_unquote_plus(val)
                  if key == 'duration':
                      try:
                          duration = int(val)
                      except ValueError:
                          pass
                  if key == 'big_thumb':
                      video_thumbnail = val
  
                  videourl_match = re.match(
                      r'^video_urls\]\[(?P<resolution>[0-9]+)p', key)
                  if videourl_match:
                      height = int(videourl_match.group('resolution'))
                      formats.append({
                          'height': height,
                          'url': val,
                      })
          self._sort_formats(formats)
  
          # Extract title - should be in the flashvars; if not, look elsewhere
          if video_title is None:
              video_title = self._html_search_regex(
                  r'<title>(.*?)</title', webpage, 'title')
  
          return {
              'id': video_id,
              'formats': formats,
              'title': video_title,
              'thumbnail': video_thumbnail,
              'duration': duration,
              'description': None,
              'age_limit': 18
          }
  