python面向对象--类的装饰器

# def deco(obj):
#     print("=====",obj)
#     obj.x=1
#     return obj

# @deco#===> test = deco(test)----->return func
# def test():
#     print("test函数运行")
#
# test()

def deco(obj):
    print("=====",obj)
    obj.x=1
    obj.y=2
    return obj

@deco # Foo = deco(Foo)
class Foo():
    pass

print(Foo.__dict__)

#一切皆对象
def test():
    print("test")
test.x=1
print(test.__dict__)

def typed(**kwargs):

    def deco(obj):
        print("======>",kwargs)
        print("=====>类名",obj)
        for key,val in kwargs.items():
            # obj.key=val
            setattr(obj,key,val)
        return obj
    print("===>",kwargs)
    return deco

@typed(x=1,y=2,z=3)#1.typed(x=1,y=2,z=3)--->deco  2.@deco---->foo=deco(foo)
class Foo:
    pass

print(Foo.__dict__)

@typed(name="egon")# @deco===>Bar=deco(Bar)
class Bar:
    pass

print(Bar.name)