Create my own decorator using functools.wraps.

functools_wraps_example.py

import functools

def ore(func):
    @functools.wraps(func)
    def wrapper(*args, **kwargs):
        print "@ore : oreoreoreoreore"
        return func(*args, **kwargs)
    return wrapper

def plus(x, y):
    def decorator(func):
        @functools.wraps(func)
        def wrapper(*args, **kwargs):
            print "@plus(x, y) : %d" % (x + y)
            return func(*args, **kwargs)
        return wrapper
    return decorator

def after(tm):
    def decorator(func):
        @functools.wraps(func)
        def wrapper(*args, **kwargs):
            func(*args, **kwargs)
            import time
            print "@after(tm) : sleep %s seconds...." % tm
            time.sleep(tm)
        return wrapper
    return decorator


@ore
@plus(2, 5)
@after(5)
def main(n):
    """ main function """
    print n

if __name__ == '__main__':
    main('mainmainmainmain')
    print "__doc__ : %s" % main.__doc__