#!/usr/bin/env python3

def attr(cls):
    cls._attr1 = 'test'
    return cls


def attr2(*, name=None):
    def attr2_cls(cls):
        cls._attr_name_1 = name
        return cls

    return attr2_cls


class Attr:
    controllers = []

    def __init__(self, *, name=None):
        self.__name = name

    def __call__(self, cls):
        Attr.controllers.append(cls)
        cls._attr_name_2 = self.__name
        return cls


@Attr(name='test2')
@attr2(name='test1')
@attr
class Class1:
    pass


if __name__ == "__main__":
    print(getattr(Class1, '_attr1'))
    print(getattr(Class1, '_attr_name_1'))
    print(getattr(Class1, '_attr_name_2'))
    print(Attr.controllers)