action.py 文件源码

def __call__(self, parent, *args, **kwargs):
        """
        Perform the wait operation after building operation
        parameters.

        :type parent: :py:class:`~boto3.resources.base.ServiceResource`
        :param parent: The resource instance to which this action is attached.
        """
        client_waiter_name = xform_name(self._waiter_model.waiter_name)

        # First, build predefined params and then update with the
        # user-supplied kwargs, which allows overriding the pre-built
        # params if needed.
        params = create_request_parameters(parent, self._waiter_model)
        params.update(kwargs)

        logger.info('Calling %s:%s with %r',
                    parent.meta.service_name,
                    self._waiter_resource_name, params)

        client = parent.meta.client
        waiter = client.get_waiter(client_waiter_name)
        response = waiter.wait(**params)

        logger.debug('Response: %r', response)