第一个python程序

用python监控restful接口是否正常，发送email.

放在crontab 里面周期性检查

#!/usr/bin/python
import smtplib,email,sys  
from email.Message import Message  
import json
import urllib2
import httplib  

#define email info  
smtpserver='smtp.126.com'  
smtpuser='[email protected]'  
smtppass='xxxxx'  
smtpport='25'  
to='[email protected]'
subj='ispider data bi interface Alert'

class MyEmail:  
        def __init__(self):
                #"connect to smtp server and return a smtplib.SMTP instance object"  
                self.server=smtplib.SMTP(smtpserver,smtpport)  
                self.server.ehlo()  
                self.server.login(smtpuser,smtppass)  
                 
      
        def sendmessage(self,to,subj,content):  
                msg = Message()  
                msg['Mime-Version']='1.0'  
                msg['From']    = smtpuser  
                msg['To']      = to  
                msg['Subject'] = subj  
                msg['Date']    = email.Utils.formatdate()#curr datetime, rfc2822  
                msg.set_payload(content)  
                try:      
                        failed =self.server.sendmail(smtpuser,to,str(msg))# may also raise exc  
                except Exception ,ex:  
                        print Exception,ex  
                        print 'Error - send failed'  
                else:  
                        print "send success!"  
        def send(self,content):
                self.sendmessage(to,subj,content)

if __name__=="__main__":  
           

try:
                
        urllib2.urlopen('http://xx:8081/itemlist')
        
except Exception,ex:
        print Exception,ex
        msg=str(Exception)+'\n'+str(ex)
        print msg
        mymail=MyEmail()
        mymail.send(msg)
else:
        print 'it works well'