chipx86

    obj = MyDataclass(a=1, b=2, c=3)

    obj = MyDataclass(1, 2, 3)  # This would be an error with kw_only=True

    from typing import TypedDict, Unpack


    class MyFuncKwargs(TypedDict):
        arg1: str
        arg2: str
        arg3: int | None


    def my_outer_func(
        **kwargs: Unpack[MyFuncKwargs],
    ) -> None:
        _my_inner_func(**kwargs)


    def _my_inner_func(
        *,
        arg1: str,
        arg2: str,
        arg3: int | None,
    ) -> None:
        ...

    def my_outer_func(
        **kwargs: KwargsOf[_my_inner_func],
    ) -> None:
        ...

    @deprecate_non_keyword_only_args(MyDeprecationWarning)
    def my_func(*, a, b, c):
        ...

    from dataclasses import dataclass
    
    from housekeeping import BaseRemovedInWarning, deprecate_non_keyword_only_args
    
    
    class RemovedInMyProject20Warning(BaseRemovedInWarning):
        product = 'MyProject'
        version = '2.0'
    
    
    @dataclass(kw_only=True)
    class MyDataclass:
        a: int
        b: int
        c: str
    
    MyDataclass.__init__ = deprecate_non_keyword_only_args(
        RemovedInMyProject20Warning
    )(MyDataclass.__init__)

    dc = MyDataclass(1, 2, c='hi')

    testdataclass.py:26: RemovedInMyProject20Warning: Positional arguments `a`, `b` must be passed as keyword arguments when calling `__main__.MyDataclass.__init__()`. Passing as positional arguments will be required in MyProject 2.0.
      dc = MyDataclass(1, 2, c='hi')