import datetime
import sys
import time

from python_daemon import Daemon


class MyDaemon(Daemon):
    run_it = True

    def terminate(self):
        self.run_it = False

    def run(self):
        while self.run_it:
            with open('/tmp/time.test', 'a') as f:
                f.write('start')

            for i in range(60):
                with open('/tmp/time.test', 'a') as f:
                    f.write(str(datetime.datetime.now()) + '\n')
                time.sleep(1)

            with open('/tmp/time.test', 'a') as f:
                f.write('stop')


if __name__ == "__main__":
    daemon = MyDaemon('/tmp/daemon-example.pid', stdout='/tmp/test.out', stderr='/tmp/test.err')

    if len(sys.argv) == 2:
        if 'start' == sys.argv[1]:
            daemon.start()
        elif 'stop' == sys.argv[1]:
            daemon.stop()
        elif 'restart' == sys.argv[1]:
            daemon.restart()
        else:
            print "Unknown command"
            sys.exit(2)
        sys.exit(0)
    else:
        print "usage: %s start|stop|restart" % sys.argv[0]
        sys.exit(2)