client.py 文件源码

def get_waiter(self, waiter_name):
        config = self._get_waiter_config()
        if not config:
            raise ValueError("Waiter does not exist: %s" % waiter_name)
        model = waiter.WaiterModel(config)
        mapping = {}
        for name in model.waiter_names:
            mapping[xform_name(name)] = name
        if waiter_name not in mapping:
            raise ValueError("Waiter does not exist: %s" % waiter_name)

        return waiter.create_waiter_with_client(
            mapping[waiter_name], model, self)