code: async def _connect_with_login(self, endpoints):
          
          success = False
          try:
              await self._connect(endpoints)
              # It's possible that we may get several discharge-required errors,
              # corresponding to different levels of authentication, so retry
              # a few times.
              for i in range(0, 2):
                  result = (await self.login())['response']
                  macaroonJSON = result.get('discharge-required')
                  if macaroonJSON is None:
                      self.info = result
                      success = True
                      return result
                  macaroon = bakery.Macaroon.from_dict(macaroonJSON)
                  self.bakery_client.handle_error(
                      httpbakery.Error(
                          code=httpbakery.ERR_DISCHARGE_REQUIRED,
                          message=result.get('discharge-required-error'),
                          version=macaroon.version,
                          info=httpbakery.ErrorInfo(
                              macaroon=macaroon,
                              macaroon_path=result.get('macaroon-path'),
                          ),
                      ),
                      # note: remove the port number.
                      'https://' + self.endpoint + '/',
                  )
              raise errors.JujuAuthError('failed to authenticate '
                                         'after several attempts')
          finally:
              if not success:
                  await self.close()
docs: Connect to the websocket.
  
          If uuid is None, the connection will be to the controller. Otherwise it
          will be to the model.
          :return: The response field of login response JSON object.