python 代码片段21

#coding=utf-8

@doco
def foo():
    pass


'''
deco把foo函数拿过来，加上一些额外的功能再重新赋值给foo,如下
'''
foo=deco(foo)

def log(func):
    def wrappedFunc():
        print "*** %s() called" % func.__name__
        return func()
    return wrappedFunc

@log
def foo():
    print "inside foo()"
foo()