# -*- coding: utf-8 -*- # @Author : relakkes@gmail.com # @Time : 2023/12/2 11:18 # @Desc : 爬虫 IP 获取实现 # @Url : 现在实现了极速HTTP的接口,官网地址:https://www.jisuhttp.com/?pl=mAKphQ&plan=ZY&kd=Yang import json from abc import ABC, abstractmethod from typing import Dict, List import redis import config from tools import utils from .types import IpInfoModel class IpGetError(Exception): """ ip get error""" class ProxyProvider(ABC): @abstractmethod async def get_proxies(self, num: int) -> List[IpInfoModel]: """ 获取 IP 的抽象方法,不同的 HTTP 代理商需要实现该方法 :param num: 提取的 IP 数量 :return: """ pass class RedisDbIpCache: def __init__(self): self.redis_client = redis.Redis(host=config.REDIS_DB_HOST, password=config.REDIS_DB_PWD) def set_ip(self, ip_key: str, ip_value_info: str, ex: int): """ 设置IP并带有过期时间,到期之后由 redis 负责删除 :param ip_key: :param ip_value_info: :param ex: :return: """ self.redis_client.set(name=ip_key, value=ip_value_info, ex=ex) def load_all_ip(self, proxy_brand_name: str) -> List[IpInfoModel]: """ 从 redis 中加载所有还未过期的 IP 信息 :param proxy_brand_name: 代理商名称 :return: """ all_ip_list: List[IpInfoModel] = [] all_ip_keys: List[bytes] = self.redis_client.keys(pattern=f"{proxy_brand_name}_*") try: for ip_key in all_ip_keys: ip_value = self.redis_client.get(ip_key) if not ip_value: continue all_ip_list.append(IpInfoModel(**json.loads(ip_value))) except Exception as e: utils.logger.error("[RedisDbIpCache.load_all_ip] get ip err from redis db", e) return all_ip_list