monitor filesystem events by python

似乎各大 os 都不同, 沒有統一的方法。
ref 1 是使用 pyinotify 在 linux 下的範例。
ref:

1. http://david-latham.blogspot.com/2008/06/python-inotify-pyinotify-how-to-watch.html
2. http://pyinotify.sourceforge.net/
3. http://www.stepthreeprofit.com/2008/06/cross-platform-monitoring-of-filesystem.html

file_monitor.py

 #!/usr/bin/python
 import os
 import pyinotify
 import sys

 #ref: http://david-latham.blogspot.com/2008/06/python-inotify-pyinotify-how-to-watch.html

 wm = pyinotify.WatchManager()
 mask = pyinotify.IN_DELETE | pyinotify.IN_CREATE | pyinotify.IN_MODIFY | 

            pyinotify.IN_MOVED_FROM | pyinotify.IN_MOVED_TO

 class PTmp(pyinotify.ProcessEvent):
     # move file to /mnt
     def process_IN_MOVED_TO(self, event):
         print "move to: %s " % os.path.join(event.path, event.name)
     def process_IN_MOVED_FROM(self, event):
         print "move from: %s " % os.path.join(event.path, event.name)
     def process_IN_CREATE(self, event):
         print "Create: %s " % os.path.join(event.path, event.name)

 #    def process_IN_DELETE(self, event):
 #        print "Delete: %s " % os.path.join(event.path, event.name)
     def process_IN_MODIFY(self, event):
         print "Modify: %s " % os.path.join(event.path, event.name)


 notifier = pyinotify.Notifier(wm, PTmp())

 m_dir='/mnt/'
 wdd = wm.add_watch(m_dir, mask, rec=True)
 print "monitor:", m_dir

 while True:
     try:
         notifier.process_events()
         if notifier.check_events():
             notifier.read_events()
     except KeyboardInterrupt:
         notifier.stop()
         break