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python最火爬虫框架Scrapy入门
Scrapy,Python开发的一个快速,高层次的web抓取框架,用于抓取web站点并从页面中提取结构化的数据。Scrapy用途广泛,可以用于数据挖掘、监测和自动化测试。任何人都可以根据需求方便的修改。 Scrapy是一套基于Twisted的异步处理框架,是纯python实现的爬虫框架 ...
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