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

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 dataclasses import is_dataclass 

20from typing import Any 

21 

22 

23def is_pydantic_model(cls: Any) -> bool: 

24 """ 

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

26 

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

28 using isinstance. 

29 """ 

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

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

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

33 return ( 

34 hasattr(cls, "__pydantic_fields__") 

35 and hasattr(cls, "__pydantic_validator__") 

36 and not is_dataclass(cls) 

37 )