Determine whether a method was overridden

[ichabod801]

I think this is what you want:

class Base(object):

    def f(self):
        raise NotImplementedError()
 
    @classmethod
    def has_f(cls):
        return cls.f != Base.f
 
class Derived(Base):

    def f(self):
        pass

class Inherit(Base):
    
    def g(self):
        pass

if __name__ == '__main__':
    print(Base.has_f())
    print(Derived.has_f())
    print(Inherit.has_f())

This returns True if the method has been overridden. The classmethod decorator makes the class be passed as the first parameter, not the instance.