#!/usr/bin/env python
class DadClass(object):
    @classmethod
    def foo(cls):
        print 'this is DadClass.foo, cls is ' + cls.__name__

class ChildClass(DadClass):
    @classmethod
    def foo(cls):
        print 'this is ChildClass.foo'

super(ChildClass, ChildClass()).foo()

$ python foo.py
this is DadClass.foo, cls is ChildClass  # but I want cls to be DadClass!