免费代理对于咱们羊毛党来说是个好动西，但是免费的有好多的都不能用，况且还得一个一个试，累都累死了，于是写了这么一个小案例，用于减轻劳动。
爬虫代码
本案例是爬取的快代理的免费匿名代理，并自动检测代理是否可用，把可用的代理以json文件保存起来
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| from lxml import etree
import requests
import json
"""
打造自己的ip代理池
"""
def get_ip_pool():
ip_pool = set()
page = 5
for i in range(1, page + 1):
url = 'https://free.kuaidaili.com/free/inha/' + str(i)
r = requests.get(url)
tree = etree.HTML(r.text)
ip_list = tree.xpath(
"/html/body/div[@class='body']/div[@id='content']/div[@class='con-body']/div[2]/div[@id='list']/table["
"@class='table table-bordered table-striped']/tbody/tr")
for i in ip_list:
ip = i.xpath("./td[1]/text()")[0]
port = i.xpath("./td[2]/text()")[0]
print("{}:{}".format(ip, port))
ip_pool.add(ip + ":" + port)
return ip_pool
def get_active_ip(pool):
ips = []
for item in pool:
try:
r = requests.get("http://4.ipw.cn/", proxies={"http": item}, timeout=1)
if r.status_code == 200:
print("{}可用---------------------".format(item))
ips.append(item)
except Exception as e:
print("{}不可用".format(item))
return ips
pool = get_ip_pool()
ip_pool = get_active_ip(pool)
with open("ip.json", "w", encoding="utf-8") as f:
f.write(json.dumps(ip_pool))
[
"112.6.117.178:8085",
"223.96.90.216:8085",
"106.55.15.244:8889",
"58.20.184.187:9091",
"120.194.55.139:6969",
"122.9.101.6:8888"
]
|
使用代理
随机从中选择一个代理使用，具体发送http请求的代码自己实现吧
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| import json
import random
f = open("ip.json", "r", encoding="utf-8")
ip_pool = json.loads(f.read())
print(random.choice(ip_pool))
f.close()
|
__END__
