Create 2 minute video clips from PiCam Raspberry Pi 3

piVideoRecorder.py

import subprocess
import time
import os
import sys

if len(sys.argv) > 1:
    directory = sys.argv[1]
else:
    directory = './videos'
directory = os.path.abspath(directory)
if not os.path.exists(directory):
    os.makedirs(directory)
while True:
    try:
        localTime = time.localtime()
        filename = '{}_{}_{}_{}.h264'.format(str(localTime.tm_mday),str(localTime.tm_hour),str(localTime.tm_min), str(localTime.tm_sec))
        outputFilePath = os.path.join(directory, filename)
        print(filename)
        command = ['raspivid', '-o', outputFilePath, '-w', '1280', '-h', '720', '-b', '8000000', '-t', '120000', '-ex', 'auto', '-n', '-awb', 'auto', '-vs']
        subprocess.Popen(command)
        # filename = str(localTime.tm_mday) + str(localTime.tm_mday)
        time.sleep(120)
    except KeyboardInterrupt as e:
        print(e)
        print('Quitting')
        break