关于程序执行顺序的一点疑惑

deco

import logging

from time import time as t
import time

logger = logging.getLogger()
logger.setLevel(logging.DEBUG)
is_debug = True

def count_time(is_debug):
    def  handle_func(func):
        def  handle_args(*args, **kwargs):
            if is_debug:
                begin = t()
                func(*args, **kwargs)
                print 'args2','kwargs2',args,kwargs
                logging.debug( "[" + func.__name__ + "] -> " + str(t() - begin) )
            else:
                func(*args, **kwargs)
                print 'handle_args', handle_args
                print type(handle_args)

        return handle_args

    return handle_func

def pr():
    for i in range(1,1000):
        i = i * 2
        time.sleep(0.01)
    print "hello world",t()

def test():
    pr()
    print 'test'

@count_time(is_debug)
def test2():
    pr()
    print 'test2'

@count_time(False)
def test3():
    pr()
    print 'test3'

if __name__ == "__main__":
    test()
    test2()
    test3()
    

result

结果
C:\Python27\python.exe D:/python/pyworkspcae/testdeco/timedeco.py
hello world 1500518211.89
test
hello world 1500518221.92
DEBUG:root:[test2] -> 10.0350000858
test2
args2 kwargs2 () {}
hello world 1500518232.03
test3
handle_args <function handle_args at 0x00000000029C6518>
<type 'function'>

Process finished with exit code 0