Source code for airflow.providers.amazon.aws.utils.deferral
# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements. See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership. The ASF licenses this file
# to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance
# with the License. You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing,
# software distributed under the License is distributed on an
# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
# KIND, either express or implied. See the License for the
# specific language governing permissions and limitations
# under the License.
from __future__ import annotations
import warnings
from airflow.exceptions import AirflowProviderDeprecationWarning
[docs]
DEFERRABLE_OVERRIDES_WAIT_WARNING = (
"deferrable=True currently takes precedence over wait_for_completion=False, so this task still "
"waits for completion in the triggerer. In the next major release of the Amazon provider, the task "
"will not wait when wait_for_completion is False. deferrable may come from the [operators] "
"default_deferrable option. To keep waiting, set wait_for_completion=True. To stop waiting now, "
"set deferrable=False."
)
[docs]
def should_defer(*, deferrable: bool, wait_for_completion: bool) -> bool:
"""
Decide whether an operator that accepts both ``deferrable`` and ``wait_for_completion`` defers.
Deferring still takes precedence over ``wait_for_completion=False``, with a deprecation warning.
In the next major release this returns ``deferrable and wait_for_completion``.
"""
if deferrable and not wait_for_completion:
warnings.warn(DEFERRABLE_OVERRIDES_WAIT_WARNING, AirflowProviderDeprecationWarning, stacklevel=2)
return deferrable