from func_timeout import func_set_timeout，exceptions.FunctionTimedOut

import time

@func_set_timeout(3)

def task():

    print('hello world')

    time.sleep(5)

    return '执行成功_未超时'

if __name__ == '__main__':

    try:

        print(task())

    except exceptions.FunctionTimedOut:

        print('执行函数超时')

from func_timeout import func_timeout, FunctionTimedOut

def catch_video(path):

    start_time = time.time()

    try:

        cap = func_timeout(5, cv.VideoCapture, (path,))

        if cap.isOpened():

            open_time = time.time() - start_time

            message = 'video open time is :' + "{:.2f}".format(open_time)

        else:

            message = 'can not open the video.'

        cap.release()

    except FunctionTimedOut:

        message = 'open video is timeout'

    except:

        message = 'other error'

    # print(message)

    return message