动态获取树莓派的变动外网ip

ip变化时发邮件通知

#!/usr/bin/env python
#-*-coding:utf-8-*-
smtpServer='smtp.126.com' #邮件发送帐户的smtp服务器地址
smtpPort='25' #邮件发送帐户的smtp服务器发送端口
smtpUser='xxxxx@126.com' #邮件发送帐户名
smtpPwd='xxxx' #邮件发送帐户密码，我这里打X号示例，但老兄得填真的
sendTo='xxxx@163.com' #接收邮箱地址

#!/usr/bin/env python
#-*-coding:utf-8-*-
import smtplib,config,email,sys,socket,threading
from email.Message import Message
import re,urllib2

class Getmyip:
def getip(self):
try:
myip = self.visit("http://www.whereismyip.com/")
#                   return myip
except:
try:
myip = self.visit("http://www.bliao.com/ip.phtml")
#                           return myip
except:
try:
myip = self.visit("http://www.whereismyip.com/")
#                                   return myip
except:
myip = "So sorry!!!"
return myip

def visit(self,url):
opener = urllib2.urlopen(url)
if url == opener.geturl():
str = opener.read()
#                        print str
asd=re.search('\d+\.\d+\.\d+\.\d+',str).group(0)
return asd

def connect():
try:
server=smtplib.SMTP(config.smtpServer,config.smtpPort)
server.ehlo()
server.login(config.smtpUser,config.smtpPwd)
return server
except Exception:
print 'connect smtp server failed!'

def sendmessage(server,to,subj,content):
msg = Message()
msg['Mime-Version']='1.0'
msg['From']        = config.smtpUser
msg['To']          = to
msg['Subject'] = subj
msg.set_payload(content)
try:
failed = server.sendmail(config.smtpUser,to,str(msg))
except Exception ,ex:
print Exception,ex
print 'Error - send failed'
else:
print 'send succeed!'

#每隔10s检查一次IP，间隔时间可以适当调大一点
def checkIP():
global text
#getmyip = Getmyip()
print text
ipnow=getmyip.getip()
print ipnow
if  text!=ipnow:
text=ipnow
server=connect()
sendmessage(server,to,subj,text)
t = threading.Timer(600.0, checkIP)
t.start()

if __name__=="__main__":
getmyip = Getmyip()
to=config.sendTo
subj='ip changed'
text = getmyip.getip() #这个就是获取本机IP的
server=connect()
sendmessage(server,to,subj,text)
t = threading.Timer(600.0, checkIP)
t.start()