Coverage for /pythoncovmergedfiles/medio/medio/usr/local/lib/python3.11/site-packages/airflow/sdk/execution_time/xcom.py: 75%

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. 

17from __future__ import annotations 

18 

19from airflow.sdk.bases.xcom import BaseXCom 

20from airflow.sdk.configuration import conf 

21 

22 

23def resolve_xcom_backend(): 

24 """ 

25 Resolve custom XCom class. 

26 

27 :returns: returns the custom XCom class if configured. 

28 """ 

29 clazz = conf.getimport("core", "xcom_backend", fallback="airflow.sdk.bases.xcom.BaseXCom") 

30 if not clazz: 

31 return BaseXCom 

32 if not issubclass(clazz, BaseXCom): 

33 raise TypeError( 

34 f"Your custom XCom class `{clazz.__name__}` is not a subclass of `{BaseXCom.__name__}`." 

35 ) 

36 return clazz 

37 

38 

39XCom = resolve_xcom_backend()