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Python crawler case -- Zhihu data collection

Tencent Data Architect 2020-11-13 07:21:16
python crawler case zhihu data

Full stack engineer development manual （ author ： Luan Peng ）
python The whole course

First you need to understand python Data mining database urllib、urllib2、cookie Knowledge . Reference resources http://blog.csdn.net/luanpeng825485697/article/details/78383884

cookie Simulated landing

Know what needs to be set cookie Simulate login status , Need to set up http head , Meet the detection of Zhihu server .

Zhihu address https://www.zhihu.com

Visit this website when you are not logged in , Only login interface can appear
Picture description here

If after landing , Visit this website , There will be a list of articles .

Picture description here

This is because of visiting this address , The Zhihu server will query the request cookie, If you ask for cookie No user information , To prove that there was no landing , It will return to the login interface , If there is cookie The information will return to the article list interface , It also contains other information of users

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