网络scrapy 的相关内容

文章 2022-02-15 来自：开发者社区

如何在Ubuntu 14.04 LTS安装网络爬虫工具：Scrapy

如何在Ubuntu 14.04 LTS安装网络爬虫工具：Scrapy 这是一款提取网站数据的开源工具。Scrapy框架用Python开发而成，它使抓取工作又快又简单，且可扩展。我们已经在virtual box中创建一台虚拟机（VM）并且在上面安装了Ubuntu 14.04 LTS。安装 Scrapy Scrapy依赖于Python、开发库和pip。Python最新的版本已经在Ubuntu...

文章 2022-02-15 来自：开发者社区

开源python网络爬虫框架Scrapy

来源：http://blog.csdn.net/zbyufei/article/details/7554322 介绍：所谓网络爬虫，就是一个在网上到处或定向抓取数据的程序，当然，这种说法不够专业，更专业的描述就是，抓取特定网站网页的HTML数据。不过由于一个网站的网页很多，而我们又不可能事先知道所有网页的URL地址，所以，如何保证我们抓取到了网站的所有HTML页面就是一个有待考究的...

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