Python 为函数设置允许函数执行最大时间

安装第三方库 func_timeout

pip install func_timeout

import time
from func_timeout import func_set_timeout

@func_set_timeout(5) 
def timer():
	for i in range(1,11):
		time.sleep(1)
		print(i)

timer()


>>
1
2
3
4
Traceback (most recent call last):
  File "...", line 1377, in 
    timer()
  File ".../python27/lib/python2.7/site-packages/func_timeout/dafunc.py", line 185, in 
    return wraps(func)(lambda *args, **kwargs : func_timeout(defaultTimeout, func, args=args, kwargs=kwargs))
  File ".../python27/lib/python2.7/site-packages/func_timeout/dafunc.py", line 101, in func_timeout
    raise FunctionTimedOut('', timeout, func, args, kwargs)
func_timeout.exceptions.FunctionTimedOut: Function timer (args=()) (kwargs={}) timed out after 5.000000 seconds.

@func_set_timeout Default number of seconds max to allow function to execute before throwing FunctionTimedOut