一个用于统计函数调用消耗时间的装饰器

from time import time
from time import sleep

def count_time():
def tmp(func):
def wrapped(*args, **kargs):
begin_time = time()
result = func(*args, **kargs)
end_time = time()
cost_time = end_time - begin_time
print '%s called cost time : %s' %(func.__name__, cost_time)
return result
return wrapped
return tmp

@count_time()
def test():
sleep(0.5)

if __name__ == '__main__':
test()

class Test:
@count_time()
def test(self):
print 'haha'

if __name__ == '__main__':
#    test()
a = Test()
a.test()