python 监控文件变化

#!/usr/bin/env python
# encoding: utf-8
import time,os
import pyinotify
import smtplib
from email.mime.text import MIMEText
mailto_list=["695001606@qq.com"]
mail_host="smtp.163.com"
mail_user="cs@163.com"
mail_passwd="**********"
file = ['/usr/sbin/sshd','/var/log/syslog','/var/log/lastlog','/var/log/wtmp','/etc/passwd','/etc/shadow']
file1 = ['/usr/sbin/sshd','/etc/passwd','/etc/shadow']
def mail_send(to_list,sub,content):
    msg = MIMEText(content,_charset='utf-8')
    msg['Subject'] = sub
    msg['From'] = mail_user
    msg['To'] = ";".join(to_list)
    try:
        send_smtp = smtplib.SMTP()
        send_smtp.connect(mail_host)
        send_smtp.login(mail_user,mail_passwd)
        send_smtp.sendmail(mail_user,to_list,msg.as_string())
        send_smtp.close()
        return True
    except Exception,e:
        print str(e)
        return False


class handler(pyinotify.ProcessEvent):
    def process_IN_ATTRIB(self,event):
        if event.pathname in file:
            mail_send(mailto_list,'文件权限被修改',event.pathname)
    def process_IN_DELETE(self,event):
        if event.pathname in file:
            mail_send(mailto_list,"卧槽，文件被删除了",event.pathname)
        else:
            pass
    def process_IN_MODIFY(self,event):
        if event.pathname in file1:
            mail_send(mailto_list,"卧槽,文件被写东西了",event.pathname)
        else:
            pass
    def process_IN_MOVED_TO(self,event):
        if event.pathname in file:
            print(event.pathname)
            mail_send(mailto_list,"卧槽，文件被覆盖了",event.pathname)
        else:
            pass
    def process_IN_MOVED_FROM(self,event):
        if event.pathname in file:
            print(event.pathname)
            mail_send(mailto_list,"卧槽，文件被移走了",event.pathname)
        else:
            pass
def main():
    pathlist = ['/usr/sbin','/var/log','/etc']
    wm = pyinotify.WatchManager()
    wm.add_watch(pathlist,pyinotify.ALL_EVENTS,rec=True)
    en =handler()
    notifier= pyinotify.Notifier(wm,en)
    notifier.loop()
if __name__=='__main__':
    main()

要安装pyinotify模块