mnojek commented on a change in pull request #22311: URL: https://github.com/apache/airflow/pull/22311#discussion_r830482886
########## File path: scripts/ci/pre_commit/pre_commit_check_watcher_in_examples.py ########## @@ -0,0 +1,86 @@ +#!/usr/bin/env python3 +# 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. +import sys +from pathlib import Path +from typing import List + +from rich.console import Console + +if __name__ not in ("__main__", "__mp_main__"): + raise SystemExit( + "This file is intended to be executed as an executable program. You cannot use it as a module." + f"To run this script, run the ./{__file__} command [FILE] ..." + ) + + +console = Console(color_system="standard", width=200) + +errors: List[str] = [] + +WATCHER_APPEND_INSTRUCTION = "list(dag.tasks) >> watcher()" + +PYTEST_FUNCTION = """ +def test_run(): + from airflow.utils.state import State + + dag.clear(dag_run_state=State.NONE) + dag.run() +""" + + +def _check_file(file: Path): + content = file.read_text() + if "from tests.system.utils.watcher import watcher" in content: + index = content.find(WATCHER_APPEND_INSTRUCTION) + if index == -1: + errors.append( + f"[red]The example {file} imports tests.system.utils.watcher " + f"but does not use it properly![/]\n\n" + "[yellow]Make sure you have:[/]\n\n" + f" {WATCHER_APPEND_INSTRUCTION}\n\n" + "[yellow]as last instruction in your example DAG.[/]\n" + ) + else: + operator_leftshift_index = content.find("<<", index + len(WATCHER_APPEND_INSTRUCTION)) + operator_rightshift_index = content.find(">>", index + len(WATCHER_APPEND_INSTRUCTION)) + if operator_leftshift_index != -1 or operator_rightshift_index != -1: + errors.append( + f"[red]In the example {file} " + f"watcher is not last instruction in your DAG (there are << " + f"or >> operators after it)![/]\n\n" + "[yellow]Make sure you have:[/]\n" + f" {WATCHER_APPEND_INSTRUCTION}\n\n" + "[yellow]as last instruction in your example DAG.[/]\n" + ) + if PYTEST_FUNCTION not in content: + errors.append( + f"[yellow]The example {file} missed the pytest function at the end.[/]\n\n" + "All example tests should have this function added:\n\n" + PYTEST_FUNCTION + "\n\n" + "[yellow]Automatically adding it now!\n" + ) + file.write_text(content + "\n" + PYTEST_FUNCTION) Review comment: I must admit that I was also thinking about it 😄 We will change it to something that better explains the action executed by the check. -- 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]
