Easy python daemon

easy_daemon.py

# -*- coding: utf-8 -*-
"""
Created on 23/10/2011
@author: Carlo Pires <carlopires@gmail.com>
"""
import sys
import time

from daemon import DaemonContext
from daemon.runner import make_pidlockfile, is_pidfile_stale

pidfile = make_pidlockfile('/tmp/daemon.pid', 0)

if is_pidfile_stale(pidfile):
    pidfile.break_lock()

if pidfile.is_locked():
    print 'daemon is running with PID %s already' % pidfile.read_pid()
    sys.exit(0)

with DaemonContext(pidfile=pidfile):
    for i in range(1,30):
        time.sleep(1)