parent class

parentclass.py

class Parent(object):
    def method(self, *args, **kwargs):
        raise NotImplementedError('NOT DONE')

    @classmethod
    def impl_method(Cls, data):
        print(Cls, data)


class Child1(Parent):
    def method(self, k): 
        return self.impl_method(k)

class Child2(Parent):
    def method(self, k): 
        return self.impl_method(k)


c1 = Child1()
c2 = Child2()

c1.method(3)
c2.method(3)
~