开源爬虫与数据采集全家桶
本帖精选网络爬虫与数据采集工具,涵盖异步爬取、JavaScript渲染、自动化测试等,覆盖现代爬虫所有场景。
- scrapy/scrapy — 50K★ | Python | 异步爬虫框架,Spider/Item Pipeline/Selector,Twisted异步网络,性能优异
- microsoft/playwright — 64K★ | TypeScript | 浏览器自动化,Chromium/Firefox/WebKit,Python/JS双SDK,截图/PDF/拦截请求
- selenium/selenium — 29K★ | Java | WebDriver协议实现,Chrome/Firefox/Safari,隐式等待/显式等待/ExpectedConditions
- puppeteer/puppeteer — 85K★ | JavaScript | Chrome Headless控制,PDF生成/截图/爬取,Chrome DevTools Protocol
- incorrect-oss/crawl4ai — 25K★ | Python | AI友好爬虫,LLM提取/Markdown输出/结构化数据,FastAPI接口,爬取效率高
- encode/httpx — 15K★ | Python | 异步HTTP客户端,Sync/Async双模式,HTTP/2支持,timeout超时/重试
- psf/requests — 52K★ | Python | Python HTTP标准库,GET/POST方法/Session/Cookies/timeout,简洁API
- beautifulsoup/beautifulsoup4 — 22K★ | Python | HTML/XML解析库,BeautifulSoup解析/lxml加速,CSS选择器/find_all查找
核心功能
• Scrapy: scrapy startproject/scrapy genspider,Item定义/Pipeline处理/Selector选择
• Playwright: async with playwright.chromium.launch(),page.goto/fill/click,locator/frame处理
• Selenium: webdriver.Chrome(),driver.get/find_element,implicitly_wait/Explicit wait
• Crawl4AI: AsyncWebCrawler,crawl()结构化提取,markdown生成,RAG友好的LLM输出
适用场景
• 大规模网页采集
• JS渲染页面爬取
• 自动化Web测试
• API数据接口调用
• 数据清洗与解析
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