Method __new__

Lib/test/test_descr.py:538–549

(metaclass, name, bases, dict)

            # Automatically add __super to the class
            # This trick only works for dynamic classes
            def __new__(metaclass, name, bases, dict):
                cls = super(autosuper, metaclass).__new__(metaclass,
                                                          name, bases, dict)
                # Name mangling for __super removes leading underscores
                while name[:1] == "_":
                    name = name[1:]
                if name:
                    name = "_%s__super" % name
                else:
                    name = "__super"
                setattr(cls, name, super(cls))
                return cls
        class A(metaclass=autosuper):
            def meth(self):
                return "A"