Das deutsche Python-Forum

Code: Alles auswählen

import warnings


class NeueAPI(object):
    def test(self):
        print("NeueAPI: ok\n")


class AlteAPI1(object):
    def __new__(cls, *args, **kwargs):
        warnings.warn("Du nutzt AlteAPI1 !", FutureWarning, stacklevel=2)
        return NeueAPI()


class AlteAPI2(NeueAPI):
    def __new__(cls, *args, **kwargs):
        warnings.warn("Du nutzt AlteAPI2 !", FutureWarning, stacklevel=2)
        return NeueAPI.__new__(cls, *args, **kwargs)


class AlteAPI3(NeueAPI):
    def __new__(cls, *args, **kwargs):
        warnings.warn("Du nutzt AlteAPI3 !", FutureWarning, stacklevel=2)
        return super(AlteAPI3, cls).__new__(cls, *args, **kwargs)


if __name__ == "__main__":
    NeueAPI().test()
    AlteAPI1().test()
    AlteAPI2().test()
    AlteAPI3().test()

Code: Alles auswählen

def AlteAPI1(*args, **kwargs):
    warnings.warn("Du nutzt AlteAPI1 !", FutureWarning, stacklevel=2)
    return NeueAPI(*args, **kwargs)