watchdogを使ってホームディレクトリのファイルを監視するスクリプト

sample_watchdog.py

#!/usr/bin/env python
# coding:utf-8

import os
import time
from watchdog.observers import Observer
from watchdog.events import FileSystemEventHandler

class EventHandler(FileSystemEventHandler):
    def on_created(self, event):
        if event.is_directory:
            print 'directory \'{0}\' created.'.format(event.src_path)
        else:
            print 'file \'{0}\' created.'.format(event.src_path)

    def on_modified(self, event):
        if event.is_directory:
            print 'directory \'{0}\' modified.'.format(event.src_path)
        else:
            print 'file \'{0}\' modified.'.format(event.src_path)
        
    def on_deleted(self, event):
        if event.is_directory:
            print 'directory \'{0}\' deleted.'.format(event.src_path)
        else:
            print 'file \'{0}\' deleted.'.format(event.src_path)


def main():
    watch_dir = os.environ['HOME']

    event_handler = EventHandler()
    observer = Observer()
    observer.schedule(event_handler, watch_dir)
    observer.start()

    try:
        while True:
            time.sleep(10)
    except (Exception, KeyboardInterrupt):
        observer.stop()
    observer.join()

if __name__ == '__main__':
    main()