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ProxyPool

此代理池在获取IP的时候使用了pop方法一次性使用,如果是想多次可用可以移步优化后的代理池:https://github.com/Python3WebSpider/ProxyPool,推荐使用。

安装

安装Python

至少Python3.5以上

安装Redis

安装好之后将Redis服务开启

配置代理池

cd proxypool

进入proxypool目录,修改settings.py文件

PASSWORD为Redis密码,如果为空,则设置为None

安装依赖

pip3 install -r requirements.txt

打开代理池和API

python3 run.py

获取代理

利用requests获取方法如下

import requests

PROXY_POOL_URL = 'http://localhost:5000/get'

def get_proxy():
    try:
        response = requests.get(PROXY_POOL_URL)
        if response.status_code == 200:
            return response.text
    except ConnectionError:
        return None

各模块功能

  • getter.py

    爬虫模块

    • class proxypool.getter.FreeProxyGetter

      爬虫类,用于抓取代理源网站的代理,用户可复写和补充抓取规则。

  • schedule.py

    调度器模块

    • class proxypool.schedule.ValidityTester

      异步检测类,可以对给定的代理的可用性进行异步检测。

    • class proxypool.schedule.PoolAdder

      代理添加器,用来触发爬虫模块,对代理池内的代理进行补充,代理池代理数达到阈值时停止工作。

    • class proxypool.schedule.Schedule

      代理池启动类,运行RUN函数时,会创建两个进程,负责对代理池内容的增加和更新。

  • db.py

    Redis数据库连接模块

    • class proxypool.db.RedisClient

      数据库操作类,维持与Redis的连接和对数据库的增删查该,

  • error.py

    异常模块

    • class proxypool.error.ResourceDepletionError

      资源枯竭异常,如果从所有抓取网站都抓不到可用的代理资源,

      则抛出此异常。

    • class proxypool.error.PoolEmptyError

      代理池空异常,如果代理池长时间为空,则抛出此异常。

  • api.py

    API模块,启动一个Web服务器,使用Flask实现,对外提供代理的获取功能。

  • utils.py

    工具箱

  • setting.py

    设置

项目参考

https://github.com/WiseDoge/ProxyPool

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