python实现电脑自动关机

# -*- coding:utf-8 -*-
import os
import time
import poplib
import email
from email.header import decode_header
#========================================
# 读取Email，获取Email主题
#========================================
def getEmailSubject():
  read = poplib.POP3('pop.163.com')
  read.user('xxx@163.com')# 163邮箱用户名
  read.pass_('xxx')    # 163邮箱设置中的客户端授权密码
  allEmails = read.stat() # 读取邮件信息
  topEmail = read.top(allEmails[0], 0) # 获取最新的一封邮件
  tmp = []
  # 解码邮件，存入tmp
  for s in topEmail[1]:
    try:
      tmp.append(s.decode())
    except:
      try:
        tmp.append(s.decode('gbk'))
      except:
        tmp.append(s.decode('big5'))
  message = email.message_from_string('\n'.join(tmp))
  # 获取邮件主题
  subject = decode_header(message['Subject'])
  if subject[0][1]:
    subjectDecode = subject[0][0].decode(subject[0][1])
  else:
    subjectDecode = subject[0][0]
  return subjectDecode
#=========================================
# 检查Email的主题
#=========================================
def checkEmailSubject():  
  while True:
    subject = getEmailSubject()  
    print('check subject ...')
    print('subject is ' + subject)
    if subject == '重启':
      os.system('shutdown -r -t 3')
      break    
    if subject == '关机':
      os.system('shutdown -s -t 3')
      break
    time.sleep(600) # 每10分钟检查一次

if __name__ == '__main__':
  checkEmailSubject()