python daemon sample

sample-daemon.py

# -*- coding: utf-8 -*-
import sys
import time
import argparse

from daemon import DaemonContext
from daemon.pidfile import PIDLockFile


def daemon_loop(interval=600):
    while True:
        print 'hogehoge'
        time.sleep(interval)

def parse_args():
    parser = argparse.ArgumentParser(description='Sample Daemon')
    parser.add_argument('-i', '--interval', help='interval', type=int, default=600)
    parser.add_argument('-p', '--pidfile', help='pid file path', type=str, default='/tmp/sample.pid')
    return parser.parse_args()
 
if __name__ == '__main__':

    # parse argments
    args = parse_args()

    context = DaemonContext(
        stdout=sys.stdout,
        stderr=sys.stderr,
        pidfile=PIDLockFile(args.pidfile),
    )

    with context:
        daemon_loop(interval=args.interval)