terminate application

gistfile1.py

#!/usr/bin/python
# -*- coding: utf-8 -*-

import os
import sys
import time
import signal

def termination_handler(signum, frame):
    global running
    global pidfile
    print 'You have requested to terminate the application...'

    sys.stdout.flush()
    running = 0
    os.unlink(pidfile)

running = 1
signal.signal(signal.SIGINT,termination_handler)

pid = str(os.getpid())
pidfile = '/tmp/' + os.path.basename(__file__).split('.')[0] + '.pid'

if os.path.isfile(pidfile):
    print "%s already exists, exiting" % pidfile
    sys.exit()
else:
    file(pidfile, 'w').write(pid)

# Do some actual work here

while running:
  time.sleep(10)