1. # pip install func_timeout
    2. from func_timeout import func_set_timeout
    3. from func_timeout.exceptions import FunctionTimedOut
    4. import time
    7. @func_set_timeout(5)  # 函数执行多少秒后退出
    8. def task():
    9.     index = 1
    10.     while True:
    11.         print('{} hello world!'.format(index))
    12.         time.sleep(1)
    13.         index += 1
    16. if __name__ == '__main__':
    17.     try:
    18.         task()
    19.     except FunctionTimedOut as e:
    20.         print("超时退出...", str(e))

    运行结果:

    1. 1 hello world!
    2. 2 hello world!
    3. 3 hello world!
    4. 4 hello world!
    5. 5 hello world!
    6. 6 hello world!
    7. 超时退出... Function task (args=()) (kwargs={}) timed out after 5.000000 seconds.