pip install opencv-python pip install opencv-python -i https://pypi.tuna.tsinghua.edu.cn/simple2.显示库安装位置
pip show xxxx3.彻底换源
mkdir ~/.pip && cd ~/.pip vi pip.conf
文件中添加以下内容
[global] timeout = 6000 index-url = http://mirrors.aliyun.com/pypi/simple/ trusted-host = mirrors.aliyun.com更新pip
python -m pip install --upgrade pip
