问题描述

当前环境win10,python_3.6.1,64位。 
在windows下,在dos中运行pip install Scrapy报错:

building 'twisted.test.raiser' extension
error: Microsoft Visual C++ 14.0 is required. Get it with "Microsoft Visual C++ Build Tools": http://landinghub.visualstudio.com/visual-cpp-build-tools

解决方案

http://www.lfd.uci.edu/~gohlke/pythonlibs/#twisted 下载twisted对应版本的whl文件(如我的Twisted‑17.5.0‑cp36‑cp36m‑win_amd64.whl),cp后面是python版本,amd64代表64位

查看python版本方法

运行命令:

pip install C:\Users\CR\Downloads\Twisted-17.5.0-cp36-cp36m-win_amd64.whl
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其中install后面为下载的whl文件的完整路径名 
安装完成后,再次运行:

pip install Scrapy
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即可成功。

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