用python实现监控网站状态，并发送告警邮件

#!/usr/bin/env python
#coding:utf8
import os
import time
import smtplib
from email.mime.text import MIMEText
from email import Utils
import socket

def sendmail(to,subject,content):
msg = MIMEText(content)
lable_pwd="password"
msg['from'] = '****@sina.com'
msg['to'] = to
msg['subject'] = subject
msg['date'] = Utils.formatdate(localtime=1)
msg['message-id'] = Utils.make_msgid()

try:
smtpObj = smtplib.SMTP()
smtpObj.connect("smtp.sina.com:25")
try:
smtpObj.login("****@sina.com",lable_pwd)
me = "****@sina.com"
smtpObj.sendmail(me,to,msg.as_string())
print "Congratulations !Your mail have been sended Success !"
except smtplib.SMTPAuthenticationError,smtplib.SMTPException:
print "Login failed ,Please check the username/password."
finally:
try:
smtpObj.close()
except smtplib.SMTPException:
pass
except smtplib.SMTPException,e:
print "Error: unable to send email %s" % e

def check_server(f):
try:
fo = open(f)

for line in fo:
now = str(time.strftime('%Y-%m-%d %H:%M:%S',time.localtime(time.time())))
s = socket.socket(socket.AF_INET,socket.SOCK_STREAM)
line = line.rstrip('\n')
print '正在检测%s的80端口是否正常 %s:......' % (line,now)
try:
s.connect((line,80))
print "地址%s检测正常" % line
except socket.error,e:
print "地址%s检测挂啦" % line
sc = 'The web server %s is down '% line
cc = 'The web server %s is down at %s' % (line,now)
sendmail('****@****.com',sc,cc)
finally:
s.close()
except IOError,e:
print "error: %s" % e
finally:
try:
fo.close()
except IOError,e:
print "error : %s" % e

if __name__=='__main__':
check_server('D:/workspace/studd/company_list')