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)