Decorator in Python (1)

def zhuang(F):
    print 'in zhuang... F = ', F
    def wraper(*args):
        F(args)
    print 'after zhuang...', wraper
    return wraper

 

@zhuang
def func(*args):
    print 'in func...', args

 

class C:
    @zhuang
    def func(*args):
        print 'in c.func..'
        print 'func = ', func
        print 'args[0] = ',args[0]

 

func(1, 3, 4)

cins = C()
cins.func(1,3,6)
print 'Instance = ',cins

 

---------------------Output-------------------------

in zhuang... F =  <function func at 0x012135F0>
after zhuang... <function wraper at 0x01229F70>

in zhuang... F =  <function func at 0x0122E030>
after zhuang... <function wraper at 0x0122E070>

in func... ((1, 3, 4),)

in c.func..
func =  <function wraper at 0x01229F70>
args[0] =  (<__main__.C instance at 0x0122C3A0>, 1, 3, 6)
Instance =  <__main__.C instance at 0x0122C3A0>