mik-laj commented on a change in pull request #8580: URL: https://github.com/apache/airflow/pull/8580#discussion_r415688916
########## File path: airflow/task/context/execution_context.py ########## @@ -0,0 +1,83 @@ +# 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 types import ModuleType +from typing import Any, NamedTuple + +from pendulum import Pendulum + +from airflow.exceptions import AirflowException + + +class ExecutionContext(NamedTuple): + """ + Defines all stateful properties during execution. + This context can be passed to any task either via task.context.current.get_current_context, or via + requesting specific properties through the task's ctor, as in: + + def f(execution_date): + print(execution_date) # This property is filled automatically by airflow + """ + conf: Any + dag: Any + dag_run: str + ds: str + ds_nodash: str + execution_date: Pendulum + inlets: list + macros: ModuleType + next_ds: str + next_ds_nodash: str + next_execution_date: Pendulum + outlets: list + params: dict + prev_ds: str + prev_ds_nodash: str + prev_execution_date: Pendulum + prev_execution_date_success: Pendulum + prev_start_date_success: Pendulum + run_id: str + task: Any + task_instance: Any + task_instance_key_str: str + test_mode: bool + ti: Any + tomorrow_ds: str + tomorrow_ds_nodash: str + ts: str + ts_nodash: str + ts_nodash_with_tz: str + var: dict + yesterday_ds: str + yesterday_ds_nodash: str + + def __getitem__(self, *args, **kwargs): + """ + Allow slicing syntax for backwards compatibility to old-style context (dict access style) + """ + if len(args) == 1 and isinstance(args[0], str): + return getattr(self, args[0]) + raise AirflowException("Can only retrieve execution context properties via single string argument") + + def get(self, key): + """ + Retrieve property via key (dict access style) Review comment: ```suggestion Retrieve property via attribute (object access style) ``` ---------------------------------------------------------------- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: [email protected]
