11.3装饰器升级版本和语法

""""""
"""1.装饰器升级版"""

import time
def index():
    time.sleep(3)
    print('澳门最大线上赌场开业啦 性感tank在线发牌!')
    return 'index'
# res1 = index()

def login(name):
    time.sleep(1)
    print('%s is sb'%name)
    return 'login'
# res = login('egon')

def outter(func):   # func = 最原始的login函数的内存地址
    def get_time(*args,**kwargs):   # args = ('egon',) kwargs = {}
        start = time.time()
        res = func(*args,**kwargs)  # 最原始的login函数的内存地址() 直接调用  func('egon')
        end = time.time()
        print('func run time:%s'%(end-start))
        return res
    return get_time

login = outter(login)    # outter(最原始的login函数的内存地址)
ret = login('egon')
"""
egon is sb
func run time:1.000685453414917

"""
"""
函数参数的问题
    无参函数和有参函数都可以直接调用???
        函数可以接收任意数量的参数
"""

"""2.装饰器语法糖"""
import time


def outer(func):  # func = 最原始的index函数的内存地址
    def get_time(*args, **kwargs):
        start = time.time()
        res = func(*args, **kwargs)  # 最原始的login函数的内存地址() 直接调用  func('egon')
        end = time.time()
        print('func run time:%s'%(end-start))
        return res
    return get_time
# login = outter(login)  # outter(最原始的login函数的内存地址)
# index = outter(index)
# home = outter(home)

@outer  # index = outter(index)  outter(最原始的index的函数的内存地址)
def index():
    time.sleep(3)
    print('澳门最大线上赌场开业啦 性感tank在线发牌!')
    return 'index'
# res1 = index()




@outer  # login = outter(login)
def login(name):
    time.sleep(1)
    print('%s is sb'%name)
    return 'login'
# res = login('egon')

@outter # home = outter(home)
def home(*args,**kwargs):
    time.sleep(1)
    return 'home'


index()
login('egon')
home()


"""
语法糖在书写的时候应该与被装饰对象紧紧挨着 
两者之间不要有空格

"""