python 爬取网页内的代理服务器列表（需调整优化）

 1 #!/usr/bin/env python
 2 # -*- coding: utf-8 -*-
 3 # @Date    : 2017-08-30 20:38:23
 4 # @Author  : EnderZhou (zptxwd@gmail.com)
 5 # @Link    : http://www.cnblogs.com/enderzhou/
 6 # @Version : $Id$
 7 
 8 import requests
 9 from bs4 import BeautifulSoup as bs
10 
11 # 这种爬取网页内容中的列表的方式复用性差，不同的网站需要针对性的修改。每次使用均需要填写更换header头。后续将编写适用性更强的版本。
12 
13 url = ‘http://www.kuaidaili.com/free/inha/‘
14 
15 headers = {
16 ‘Accept‘:‘text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8‘,
17 ‘Accept-Encoding‘:‘gzip, deflate‘,
18 ‘Accept-Language‘:‘zh-CN,zh;q=0.8,zh-TW;q=0.6‘,
19 ‘AlexaToolbar-ALX_NS_PH‘:‘AlexaToolbar/alx-4.0.1‘,
20 ‘Cache-Control‘:‘max-age=0‘,
21 ‘Connection‘:‘keep-alive‘,
22 ‘Cookie‘:‘yd_cookie=a0d0f393-2812-44d0b1453fbf740f3ce870820ada37151e8c; _ydclearance=dd0b3de069ce8a768712e248-d97e-4bd9-8284-f2ef598da35b-1504104455; channelid=0; sid=1504099004948599; _ga=GA1.2.742898386.1504074603; _gid=GA1.2.583101265.1504074603; Hm_lvt_7ed65b1cc4b810e9fd37959c9bb51b31=1504074603,1504097260; Hm_lpvt_7ed65b1cc4b810e9fd37959c9bb51b31=1504099719‘,
23 ‘Host‘:‘www.kuaidaili.com‘,
24 ‘Upgrade-Insecure-Requests‘:‘1‘,
25 ‘User-Agent‘:‘Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/60.0.3112.113 Safari/537.36‘,
26 }
27 
28 def proxy_check(types,ip,port):
29     headers = {‘User-Agent‘:‘Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/60.0.3112.113 Safari/537.36‘}
30     url = ‘http://www.whatismyip.com.tw/‘
31     proxy = {}
32     proxy[types.lower()] = ‘%s:%s‘ % (ip,port)
33     print proxy
34     try:
35         r = requests.get(url,headers=headers,proxies=proxy)
36         soup = bs(r.content,‘html.parser‘)
37         chack_ip = soup.find_all(name=‘b‘)
38         print chack_ip[0].string+‘:‘+port
39     except Exception,e:
40         # print e
41         pass
42 
43 # proxy_check(‘http‘,‘183.62.11.242‘,‘8088‘)#可用于测试代理验证模块
44 
45 def main():
46     r = requests.get(url=url,headers=headers)
47     tr_soup = bs(r.content,‘html.parser‘)
48     tr = tr_soup.find_all(name=‘tr‘)
49     for i in tr:
50         # print i
51         td_soup = bs(str(i),‘html.parser‘)
52         td = td_soup.find_all(name=‘td‘)
53         if len(td) != 0:
54             ip = str(td[0].string)
55             port = str(td[1].string)
56             types = str(td[3].string)
57             proxy_check(types,ip,port)
58 
59 if __name__ == ‘__main__‘:
60     main()