python note of decorator

def decorate_log(decorate_arg,*args,**kwargs):      # 存放装饰器参数
    def decorate_wrapper(func,*args,**kwargs):      # 存放函数名
        def wrapper(text,*args,**kwargs):            # 存放函数参数        
            start_time = time.clock()
            func(text)
            decorate_text = decorate_arg + '+' + text
            print('decorate text: ' + decorate_text)
            print('function %s() spend time: %d'% (func.__name__,int((time.clock()-start_time))))
            # return decorate_text
        return wrapper
    return decorate_wrapper

@decorate_log('test')
def func(text):
    time.sleep(3)
    print('func text: '+ text)

func('ttt')
func('eee')

https://www.codementor.io/sheena/advanced-use-python-decorators-class-function-du107nxsv