Python2.7安装opencv-python,tensorflow

一、Python2.7安装opencv-python

提示错误:
ERROR: Command errored out with exit status 1: /usr/bin/python /home/ljl/.local/lib/python2.7/site-packages/pip/_vendor/pep517/_in_process.py get_requires_for_build_wheel /tmp/tmpOJny2O Check the logs for full command output.

1、如果直接使用,一下命令就会提示上述错误:

 pip install -i https://pypi.tuna.tsinghua.edu.cn/simple opencv-python

是因为用此方法会自动下载 opencv-python的最新 版本,但是python2却不支持。
2、解决办法:指定python2支持的 opencv-python的版本,
如下:

pip install -i https://pypi.tuna.tsinghua.edu.cn/simple opencv-python==4.2.0.32

二、Python2.7安装tensorflow

python2.7支持tensorflow的1.4.1版本

pip install -i https://pypi.tuna.tsinghua.edu.cn/simple tensorflow==1.4.1

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