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AI Agent web search & intelligent filtering engine — bundled with SearXNG-core

Project description

Agent Web Search Engine

Python 核心引擎,提供搜索编排、网页爬取、内容提取和向量检索能力。

SearXNG-core 已打包在 wheel 中,安装后引擎自动管理 SearXNG 子进程,无需额外部署。

快速开始

# 克隆仓库(含 searxng-core submodule)
git clone --recurse-submodules <repo-url>
cd AgentWebSearchingTool/engine

# 打包 searxng-core 到包中(仅开发模式需要)
python scripts/prepare_build.py

# 创建虚拟环境并安装
python -m venv .venv
source .venv/bin/activate    # Windows: .venv\Scripts\activate
pip install -e ".[dev,retrieval]"

# 运行测试
pytest

# 启动服务(SearXNG 会自动在后台启动)
uvicorn src.router:app --reload --port 8000

pip 安装用户: pip install agent-web-search-engine 后,SearXNG 已内置在包中,引擎会自动启动它。

API 端点

方法 路径 说明
GET /health 健康检查(含 SearXNG 状态)
POST /search 执行搜索(自动使用内置 SearXNG)
POST /fetch 抓取单页 + 内容提取
POST /scrape 批量抓取多页
POST /filter 向量检索筛选

模块架构

src/
├── router.py            # FastAPI 路由编排(含 SearXNG 生命周期管理)
├── searxng_runner.py    # SearXNG 子进程管理器(启动/停止/健康检查)
├── config.py            # YAML 配置加载
├── search/              # SearchProvider 接口 + SearXNG 适配器
├── fetch/               # HTTP + Playwright 混合爬取
├── extract/             # trafilatura 内容提取
└── retrieval/           # Embedding + Cross-encoder 两阶段检索

配置

编辑 config.yaml 或通过环境变量覆盖:

# SearXNG 配置(内置,通常无需修改)
SEARXNG_PORT=8888
SEARXNG_BIND_ADDRESS=127.0.0.1
SEARXNG_SECRET=my-secret-key      # 建议设置

# Engine 配置
SEARXNG_URL=http://127.0.0.1:8888
ENGINE_PORT=8000
DASHSCOPE_API_KEY=sk-xxx          # DashScope Embedding

依赖

用途 安装方式
核心(含 SearXNG-core) pip install agent-web-search-engine
开发 + 测试 pip install -e ".[dev]"
检索 pip install -e ".[retrieval]" (dashscope, openai, torch, transformers)
浏览器爬取 pip install -e ".[playwright]" + playwright install chromium

License

  • Engine 代码: MIT
  • Bundled SearXNG-core: AGPL-3.0-or-later

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