code: def _find_options_in_meta(self, content):
          
          if (isinstance(content, io.IOBase)
              or content.__class__.__name__ == 'StreamReaderWriter'):
              content = content.read()
  
          found = {}
  
          for x in re.findall('<meta [^>]*>', content):
              if re.search('name=["\']%s' % self.config.meta_tag_prefix, x):
                  name = re.findall('name=["\']%s([^"\']*)' %
                                    self.config.meta_tag_prefix, x)[0]
                  found[name] = re.findall('content=["\']([^"\']*)', x)[0]
  
          return found
docs: Reads 'content' and extracts options encoded in HTML meta tags
  
          :param content: str or file-like object - contains HTML to parse
  
          returns:
            dict: {config option: value}