python实现用户登陆邮件通知的方法

#!/usr/bin/env python
#encoding=utf-8
from smtplib import SMTP
import subprocess
smtp = "smtp.qq.com"
user = '1234567'
password = 'xxxx'
run_comd = subprocess.Popen('w¦grep pts',shell=True,stdout=subprocess.PIPE)
data = run_comd.stdout.read()
mailb = ["服务器有新用户登录",data]
mailh = ["From: 1234567@qq.com", "To: xxxx@gmail.com", "Subject: 用户登录监控"]
mailmsg = "\r\n\r\n".join(["\r\n".join(mailh), "\r\n".join(mailb)])
def send_mail():
  send = SMTP(smtp)
  send.login(user,password)
  result = send.sendmail("1234567@qq.com", ("xxxx@gmail.com",), mailmsg)
  send.quit()
if data == '':
  pass
else:
  send_mail()