Python 爬取代理IP并且测试可用IP

Python 验证代理 IP

# -*- coding: utf-8 -*-
# Author : YRH
# Data : 2020/10/07
# Project : 爬取代理IP并且测试可用IP
# Tool : PyCharm

import requests
from bs4 import BeautifulSoup

header = {
  'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/85.0.4183.121 Safari/537.36'
}


# 提取网页源码
def getHtml(url):
  try:
    reponse = requests.get(url, headers=header)
    reponse.raise_for_status()
    reponse.encoding = reponse.apparent_encoding
    return reponse.text
  except:
    return "网页源码提取错误"


# 解析网页，提取IP
def getIp(html, list):
  try:
    soup = BeautifulSoup(html, "html.parser")
    tr = soup.find("tbody").find_all_next("tr")
    for ip in tr:
      # 提取IP
      td = ip.find_next("td").string
      td = str(td).replace(" ", "").replace("\n", "").replace("\t", "")
      # 提取端口号
      dk = ip.find_all_next("td")[1].string
      dk = str(dk).replace(" ", "").replace("\n", "").replace("\t", "")
      # 将IP和端口号进行连接
      ip = td + ":" + dk
      list.append(ip) # 再进IP地址存放至指定列表中去
  except:
    print("获取IP失败")


# 测试出可用IP
def ip_text(list, valid_IP):
  try:
    url = "https://www.baidu.com//"
    for ip in list:
      try:
        rep = requests.get(url, proxies={'https': ip}, headers=header, timeout=1)
        if rep.status_code == 200: # 如果放回的状态码是200，那么说明该IP地址可用
          valid_IP.append(ip)
          print("该代理IP有效：" + ip)
        else:
          print("该代理IP无效：" + ip)
          pass
      except:
        print("该代理IP无效：" + ip)
        pass
  except:
    print("IP测试失败")


if __name__ == '__main__':

  valid_IP = [] # 有效IP地址
  for i in range(1, 90): # 可自定义页数
    ip_list = [] # 存放所有爬取到的ip
    url = "https://www.89ip.cn/index_" + str(i) + ".html"
    print(url)
    html = getHtml(url)
    getIp(html, ip_list)
    ip_text(ip_list, valid_IP)

  print("=" * 30)
  print("测试完成，有效IP如下:")
  print("-" * 30)
  for a in valid_IP:
    print(a)
  print("=" * 30)