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expected Type[baseclass] got derrivedclass instead python

avishag chitrit answered on January 1, 2023 Popularity 1/10 Helpfulness 1/10

answer expected Type[baseclass] got derrivedclass instead python

expected Type[baseclass] got derrivedclass instead python

Comment

from typing import TypeVar, Type, Tuple

class BaseClass: ...

B = TypeVar('B', bound=BaseClass)

class SubClass(BaseClass): ...
class SubSubClass(SubClass): ...

def process(model_instance: B, model_class: Type[B]) -> Tuple[B, B]:
    """ Accepts all of the above classes """
    return model_instance, model_class()


class ProcessorA:
    @staticmethod
    def proc() -> Tuple[SubClass, SubClass]:
        return process(SubClass(), SubClass)


class ProcessorB:
    @staticmethod
    def proc() -> Tuple[SubSubClass, SubSubClass]:
        return process(SubSubClass(), SubSubClass)

Popularity 1/10 Helpfulness 1/10 Language python

Source: stackoverflow.com

Tags: got python

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