抓取到的item 会被发送到Item Pipeline进行处理 Item Pipeline常用于 cleansing HTML data validating scraped data (checking that the items contain certain fields) checking for duplicates (and dropping them) storing the scraped item in a database 目录 [隐藏] 1 写一个自己的item pip…
安装python2.7 参见CentOS升级python 2.6到2.7 安装pip 参见CentOS安装python setuptools and pip 依赖 https://docs.scrapy.org/en/latest/intro/install.html lxml, an efficient XML and HTML parser parsel, an HTML/XML data extraction library written on top of lxml, w3lib,…