解决问题:
You are using pip version 9.0.1, however version 9.0.3 is available.
You should consider upgrading via the 'python -m pip install --upgrade pip' command.
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解决方法:
python -m pip install --upgrade pip
解决问题:
error:?Microsoft?Visual?C++?14.0?is?required.?Get?it?with?"Microsoft?Visual?C+ +?Build?Tools":? http://landinghub.visualstudio.com/visual-cpp-build-tools
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解决方法:
pip install C:\Users\CR\Downloads\Twisted?17.9.0?cp36?cp36m?win_amd64.whl
解决问题:
1.下载scrapy的whl包:
下载地址:http://www.lfd.uci.edu/~gohlke/pythonlibs/
寻找:Scrapy?1.3.3?py2.py3?none?any.whl
2. scrapy依赖twiste,同样使用whl格式的包进行安装
下载地址:http://www.lfd.uci.edu/~gohlke/pythonlibs/
寻找:Twisted?17.1.0?cp36?cp36m?win_amd64.whl
最后:
pip install scrapy
验证:scrapy -h