python抓取新浪微博，求教

发布网友 发布时间：2022-04-21 14:31

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热心网友 时间：2022-07-13 00:45

#-*-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 = 'h/u/xxxxxxx' #请输入准备抓取的微博地址
self.url_login = 'heibo.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' : 'hu/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)