追女神助手v0.1

 #-*-coding:utf8-*-

 import smtplib
 from email.mime.text import MIMEText
 import requests
 from lxml import etree
 import os
 import time
 import sys
 reload(sys)
 sys.setdefaultencoding('utf-8')

 class mailhelper(object):
     '''
     这个类实现发送邮件的功能
     '''
     def __init__(self):

         self.mail_host="smtp.xxxx.com"  #设置服务器
         self.mail_user="xxxx"    #用户名
         self.mail_pass="xxxx"   #密码
         self.mail_postfix="xxxx.com"  #发件箱的后缀

     def send_mail(self,to_list,sub,content):
         me="xxoohelper"+"<"+self.mail_user+"@"+self.mail_postfix+">"
         msg = MIMEText(content,_subtype='plain',_charset='utf-8')
         msg['Subject'] = sub
         msg['From'] = me
         msg['To'] = ";".join(to_list)
         try:
             server = smtplib.SMTP()
             server.connect(self.mail_host)
             server.login(self.mail_user,self.mail_pass)
             server.sendmail(me, to_list, msg.as_string())
             server.close()
             return True
         except Exception, e:
             print str(e)
             return False

 class xxoohelper(object):
     '''
     这个类实现将爬取微博第一条内容
     '''
     def __init__(self):
         self.url = 'http://weibo.cn/u/xxxxxxx' #请输入准备抓取的微博地址
         self.url_login = 'https://login.weibo.cn/login/'
         self.new_url = self.url_login

     def getSource(self):
         html = requests.get(self.url).content
         return html

     def getData(self,html):
         selector = etree.HTML(html)
         password = selector.xpath('//input[@type="password"]/@name')[0]
         vk = selector.xpath('//input[@name="vk"]/@value')[0]
         action = selector.xpath('//form[@method="post"]/@action')[0]
         self.new_url = self.url_login + action
         data = {
             'mobile' : 'xxxxx@xxx.com',
              password : 'xxxxxx',
             'remember' : 'on',
             'backURL' : 'http://weibo.cn/u/xxxxxx', #此处请修改为微博地址
             'backTitle' : u'微博',
             'tryCount' : '',
             'vk' : vk,
             'submit' : u'登录'
             }
         return data

     def getContent(self,data):
         newhtml = requests.post(self.new_url,data=data).content
         new_selector = etree.HTML(newhtml)
         content = new_selector.xpath('//span[@class="ctt"]')
         newcontent = unicode(content[2].xpath('string(.)')).replace('http://','')
         sendtime = new_selector.xpath('//span[@class="ct"]/text()')[0]
         sendtext = newcontent + sendtime
         return sendtext

     def tosave(self,text):
         f= open('weibo.txt','a')
         f.write(text + '\n')
         f.close()

     def tocheck(self,data):
         if not os.path.exists('weibo.txt'):
             return True
         else:
             f = open('weibo.txt', 'r')
             existweibo = f.readlines()
             if data + '\n' in existweibo:
                 return False
             else:
                 return True

 if __name__ == '__main__':
     mailto_list=['xxxxx@qq.com'] #此处填写接收邮件的邮箱
     helper = xxoohelper()
     while True:
         source = helper.getSource()
         data = helper.getData(source)
         content = helper.getContent(data)
         if helper.tocheck(content):
             if mailhelper().send_mail(mailto_list,u"女神更新啦",content):
                 print u"发送成功"
             else:
                 print u"发送失败"
             helper.tosave(content)
             print content
         else:
             print u'pass'
         time.sleep(30)