问Python:我们真的需要装饰器的包装器吗？(重访)

EN

def uppercase_decorator(function):
    def wrapper():
        funct = function()
        make_uppercase = funct.upper()
        return make_uppercase

    return wrapper

def uppercase_decorator(function): #previously 'function' was called 'message' but 'function' is clearer for comparison. 
    make_uppercase = function().upper
    return make_uppercase

@uppercase_decorator
def salute():
    return 'Hi all!'

def decorateIt(fn):
    toUpper = fn().upper  
    return toUpper  

def decorateW(fn):  
    def wrapper():  
        funct = fn()  
        toUpper = funct.upper()  
        return toUpper  
    return wrapper  

import random, string  

@decorateIt  
def sayGarbage():  
    return "".join(random.choice(string.ascii_lowercase) for i in range(6))  

sayGarbage()