#!/usr/bin/env python
import argparse
import requests
import daemon

parser = argparse.ArgumentParser()
parser.add_argument("-f", "--foreground", action="store_true")
args = parser.parse_args()

def do_job():
    # Важная работа:)
    r = requests.get('http://ya.ru/')

if args.foreground:
    print "Foreground option was passed"
    with daemon.DaemonContext():
        do_job()
else:
    print "Foreground option was not passed, going to be a daemon"
    do_job()