Scrapy


Author: yifei / Created: May 30, 2017, 3:25 p.m. / Modified: May 30, 2017, 3:31 p.m. / Edit

MiddleWare

This is a great invention of scrapy

https://doc.scrapy.org/en/latest/topics/architecture.html

should implement a download pipeline in ycrawler

http://sangaline.com/post/advanced-web-scraping-tutorial/


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