python inotify daemon

inotify_daemon.py

import multiprocessing
import os
import time
from functools import partial

import pyinotify

def is_alive(pid):
    try:
        os.kill(pid, 0)
    except OSError:
        return False
    else:
        return True

class Handler(pyinotify.ProcessEvent):
    def process_IN_CREATE(self, event):
        print event.pathname

def worker(directory, parent_pid):
    wm = pyinotify.WatchManager()
    notifier = pyinotify.ThreadedNotifier(wm, Handler())
    notifier.start()
    wdd = wm.add_watch(directory, pyinotify.IN_CREATE)
    waiting = True
    while waiting:
        if is_alive(parent_pid):
            pass
        else:
            waiting = False
            notifier.stop()

def main()
    directory = '/tmp'
    f = partial(worker, directory, os.getpid())
    p = multiprocessing.Process(target=f)
    p.daemon = True
    p.start()
    time.sleep(10)
    exit()
    
if __name__ == "__main__":
    main()