Python 代理爬取网站数据

代理IP通过https://www.kuaidaili.com/free/ 获取，我使用的的是http 协议的代理。根据自己需求选择http或者https 协议的页面。

访问量会有增长，但效果不是非常理想，后面找时间在研究下、废话不多说，直接上代码。

      # -*- coding:utf-8 -*-
      import requests
      import random
      import time
      import re
      user_agent_list=[
         'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/75.0.3770.100 Safari/537.36',
         'Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10_6_8; en-us) AppleWebKit/534.50 (KHTML, like Gecko) Version/5.1 Safari/534.50',
         'Mozilla/5.0 (Windows; U; Windows NT 6.1; en-us) AppleWebKit/534.50 (KHTML, like Gecko) Version/5.1 Safari/534.50',
         'Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.0; Trident/4.0)',
         'Mozilla/5.0 (Windows NT 6.1; rv:2.0.1) Gecko/20100101 Firefox/4.0.1',
         'Opera/9.80 (Windows NT 6.1; U; en) Presto/2.8.131 Version/11.11',
         'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_7_0) AppleWebKit/535.11 (KHTML, like Gecko) Chrome/17.0.963.56 Safari/535.11',
         'Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; Trident/4.0; SE 2.X MetaSr 1.0; SE 2.X MetaSr 1.0; .NET CLR 2.0.50727; SE 2.X MetaSr 1.0)',
         'Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; Trident/5.0',
         'Mozilla/5.0 (Windows NT 6.1; rv:2.0.1) Gecko/20100101 Firefox/4.0.1',
      ]
      count=0
      def Get_proxy_ip():
          headers = {
         'Host': "www.kuaidaili.com",
         'User-Agent': 'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36',
         'Accept': r'text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3'
          }
          req=requests.get(r'https://www.kuaidaili.com/free/inha/16/',headers=headers)
          html=req.text
          proxy_list=[]
          IP_list=re.findall(r'\d+\.\d+\.\d+\.\d+',html)
          port_lits=re.findall(r'<td data-title="PORT">\d+</td>',html)
         for i in range(len(IP_list)):
              ip=IP_list[i]
              port=re.sub(r'<td data-title="PORT">|</td>','',port_lits[i])
              proxy='%s:%s' %(ip,port)
              proxy_list.append(proxy)
         return proxy_list
      def Proxy_read(proxy_list,user_agent_list,i):
          proxy_ip=proxy_list[i]
         print ('当前代理ip：%s'%proxy_ip)
          user_agent = random.choice(user_agent_list)
          print('当前代理user_agent：%s'%user_agent)
          sleep_time = random.randint(1,5)
          print('等待时间：%s s' %sleep_time)
          time.sleep(sleep_time)
          print('开始获取')
          headers = {
             'User-Agent': user_agent
          }
          proxies={
             'http': proxy_ip
          }
          url='https://www.baidu.com' #blog 地址
         try:
              req = requests.get(url, headers=headers, proxies=proxies, timeout=6,verify=False)
              html=req.text
             print (html)
         except Exception as e:
              print(e)
              print('******打开失败！******')
         else:
             global count
              count += 1
              print('OK!总计成功%s次！' % count)
      if __name__ == '__main__':
          proxy_list = Get_proxy_ip()
         for i in range(100):
              Proxy_read(proxy_list, user_agent_list, i)
  
 

文章来源: lansonli.blog.csdn.net，作者：Lansonli，版权归原作者所有，如需转载，请联系作者。

原文链接：lansonli.blog.csdn.net/article/details/104442900