python安装opencv避坑

用python安装opencv-python提示报：ModuleNotFoundError: No module named ‘skbuild’

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1	pip3 install -i https://pypi.tuna.tsinghua.edu.cn/simple scikit-build

 Problem with the CMake installation, aborting build. CMake executable is cmake

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1	pip3 install -i https://pypi.tuna.tsinghua.edu.cn/simple cmake

 清华镜像源安装库

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