这段代码可以监控当前目录及子目录文件的创建，修改，删除等变化，需要用到pyinotify模块，pyinotify模块可以到：http://pyinotify.sourceforge.net/ 下载

#!/usr/bin/env python  #coding=utf-8     import os  from pyinotify import WatchManager, Notifier, ProcessEvent, IN_DELETE, IN_CREATE,IN_MODIFY  wm = WatchManager()  mask = IN_DELETE | IN_CREATE |IN_MODIFY   # watched events     class PFilePath(ProcessEvent):      def process_IN_CREATE(self, event):          print   "Create file: %s " %   os.path.join(event.path, event.name)         def process_IN_DELETE(self, event):          print   "Delete file: %s " %   os.path.join(event.path, event.name)             def process_IN_MODIFY(self, event):              print   "Modify file: %s " %   os.path.join(event.path, event.name)            if __name__ == "__main__":             notifier = Notifier(wm, PFilePath())      wdd = wm.add_watch('.', mask, rec=True)         while True:          try :              notifier.process_events()              if notifier.check_events():                  notifier.read_events()          except KeyboardInterrupt:              notifier.stop()              break