Coverage for /home/airflow/.local/lib/python3.12/site-packages/airflow/api_fastapi/execution_api/routes/dags.py: 57%

1# Licensed to the Apache Software Foundation (ASF) under one 

2# or more contributor license agreements. See the NOTICE file 

3# distributed with this work for additional information 

4# regarding copyright ownership. The ASF licenses this file 

5# to you under the Apache License, Version 2.0 (the 

6# "License"); you may not use this file except in compliance 

7# with the License. You may obtain a copy of the License at 

8# 

9# http://www.apache.org/licenses/LICENSE-2.0 

10# 

11# Unless required by applicable law or agreed to in writing, 

12# software distributed under the License is distributed on an 

13# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 

14# KIND, either express or implied. See the License for the 

15# specific language governing permissions and limitations 

16# under the License. 

17 

18from __future__ import annotations 

19 

20from fastapi import APIRouter, HTTPException, status 

21 

22from airflow.api_fastapi.common.db.common import SessionDep 

23from airflow.api_fastapi.execution_api.datamodels.dags import DagResponse 

24from airflow.models.dag import DagModel 

25 

26router = APIRouter() 

27 

28 

29@router.get( 

30 "/{dag_id}", 

31 responses={ 

32 status.HTTP_404_NOT_FOUND: {"description": "DAG not found for the given dag_id"}, 

33 }, 

34) 

35def get_dag( 

36 dag_id: str, 

37 session: SessionDep, 

38) -> DagResponse: 

39 """Get a DAG.""" 

40 dag_model: DagModel | None = session.get(DagModel, dag_id) 

41 if not dag_model: 

42 raise HTTPException( 

43 status.HTTP_404_NOT_FOUND, 

44 detail={ 

45 "reason": "not_found", 

46 "message": f"The Dag with dag_id: `{dag_id}` was not found", 

47 }, 

48 ) 

49 

50 return DagResponse( 

51 dag_id=dag_model.dag_id, 

52 is_paused=dag_model.is_paused, 

53 bundle_name=dag_model.bundle_name, 

54 bundle_version=dag_model.bundle_version, 

55 relative_fileloc=dag_model.relative_fileloc, 

56 owners=dag_model.owners, 

57 tags=sorted(tag.name for tag in dag_model.tags), 

58 next_dagrun=dag_model.next_dagrun, 

59 )