ashb commented on code in PR #44427: URL: https://github.com/apache/airflow/pull/44427#discussion_r1861253645
########## airflow/executors/workloads.py: ########## @@ -0,0 +1,96 @@ +# 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 os +import uuid +from typing import TYPE_CHECKING, Literal, Union + +from pydantic import BaseModel, Field + +if TYPE_CHECKING: + from airflow.models.taskinstance import TaskInstance as TIModel + from airflow.models.taskinstancekey import TaskInstanceKey + + +__all__ = [ + "All", + "ExecuteTask", +] + + +class BaseActivity(BaseModel): + token: str + """The identity token for this workload""" + + +class TaskInstance(BaseModel): + """Schema for TaskInstance with minimal required fields needed for Executors and Task SDK.""" + + id: uuid.UUID + + task_id: str + dag_id: str + run_id: str + try_number: int + map_index: int | None = None + + # TODO: Task-SDK: see if we can replace TIKey with this class entirely? + @property + def key(self) -> TaskInstanceKey: + from airflow.models.taskinstancekey import TaskInstanceKey + + return TaskInstanceKey( + dag_id=self.dag_id, + task_id=self.task_id, + run_id=self.run_id, + try_number=self.try_number, + map_index=-1 if self.map_index is None else self.map_index, Review Comment: Using `None` was intentional. `-1` was only used because map_index forms part of the (old) PK of the `task_instance` table, and you can't have a nullable column in the PK. None is a better representation of "not mapped" than -1 is. (Also `self.map_index or -1` would turn `0` into `-1` which we don't want) -- 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. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected]
