code: def request_resource(self, url, **kwargs):
          
          params = kwargs
          
          params['url'] = url
          params['format'] = 'json'
          
          if '?' in self.endpoint_url:
              url_with_qs = '%s&%s' % (self.endpoint_url.rstrip('&'), urlencode(params))
          else:
              url_with_qs = "%s?%s" % (self.endpoint_url, urlencode(params))
          
          headers, raw_response = self._fetch(url_with_qs)
          resource = self.convert_to_resource(headers, raw_response, params)
          
          return resource
docs: Request an OEmbedResource for a given url.  Some valid keyword args:
          - format
          - maxwidth
          - maxheight