Coverage for /pythoncovmergedfiles/medio/medio/usr/local/lib/python3.11/site-packages/airflow/serialization/typing.py: 67%

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. 

18from __future__ import annotations 

19 

20from dataclasses import is_dataclass 

21from typing import Any 

22 

23 

24def is_pydantic_model(cls: Any) -> bool: 

25 """ 

26 Return True if the class is a pydantic.main.BaseModel. 

27 

28 Checking is done by attributes as it is significantly faster than 

29 using isinstance. 

30 """ 

31 # __pydantic_fields__ is always present on Pydantic V2 models and is a dict[str, FieldInfo] 

32 # __pydantic_validator__ is an internal validator object, always set after model build 

33 # Check if it is not a dataclass to prevent detecting pydantic dataclasses as pydantic models 

34 return ( 

35 hasattr(cls, "__pydantic_fields__") 

36 and hasattr(cls, "__pydantic_validator__") 

37 and not is_dataclass(cls) 

38 )