Attempt to create a decorator to automatically call super - failled attempt.

super_decorator.py

def pre_super(func):
    values = {}
    try:
        class Mutant:
            def wrapper(*args, **kw):
                getattr(__class__, func.__name__)(*args, **kw)
                return func(*args, **kw)
            values["w"] = wrapper
            raise ValueError #  Abort the filling up of wrapper's __class__ cell
    except ValueError:
        pass
    return values["w"]


class A:
    def a(self):
        print("class A")

class B:
    @pre_super
    def a(self):
        print("class B")
    # At this point
    # The wrapper function has an empty cell, referenced by a __class__ freevar
    # but cPython's type does not fill it up with "B".