Coverage for /pythoncovmergedfiles/medio/medio/src/airflow/build/lib/airflow/typing_compat.py: 77%

1# 

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

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

4# distributed with this work for additional information 

5# regarding copyright ownership. The ASF licenses this file 

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

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

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

9# 

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

11# 

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

13# software distributed under the License is distributed on an 

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

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

16# specific language governing permissions and limitations 

17# under the License. 

18"""This module provides helper code to make type annotation within Airflow codebase easier.""" 

19from __future__ import annotations 

20 

21__all__ = [ 

22 "Literal", 

23 "ParamSpec", 

24 "Protocol", 

25 "TypedDict", 

26 "TypeGuard", 

27 "runtime_checkable", 

28] 

29 

30import sys 

31 

32if sys.version_info >= (3, 8): 

33 from typing import Protocol, TypedDict, runtime_checkable 

34else: 

35 from typing_extensions import Protocol, TypedDict, runtime_checkable 

36 

37# Literal in 3.8 is limited to one single argument, not e.g. "Literal[1, 2]". 

38if sys.version_info >= (3, 9): 

39 from typing import Literal 

40else: 

41 from typing_extensions import Literal 

42 

43if sys.version_info >= (3, 10): 

44 from typing import ParamSpec, TypeGuard 

45else: 

46 from typing_extensions import ParamSpec, TypeGuard