python设计模式之装饰器模式 装饰器模式

import time
def log_calls(func):
    def wrapper(*args,**kwargs):
        now=time.time()
        print("Calling{0} with {1} and {2}".format(
            func.__name__,args,kwargs))
        return_value=func(*args,**kwargs)
        print("Executrd{0} in {1}ms".format(
            func.__name__,time.time()-now))
        return return_value
    return wrapper

def test1(a,b):
    print("test1 called")
    time.sleep(1)
test1=log_calls(test1)
test1(1,2)