code: def ping(self, handler='admin/ping', **kwargs):
          
          params = kwargs
          params_encoded = safe_urlencode(params, True)
  
          if len(params_encoded) < 1024:
              # Typical case.
              path = '%s/?%s' % (handler, params_encoded)
              return self._send_request('get', path)
          else:
              # Handles very long queries by submitting as a POST.
              path = '%s/' % handler
              headers = {
                  'Content-type': 'application/x-www-form-urlencoded; charset=utf-8',
              }
              return self._send_request('post', path, body=params_encoded, headers=headers)
docs: Sends a ping request.
  
          Usage::
  
              solr.ping()