pip3 config set global.index-url https://pypi.tuna.tsinghua.edu.cn/simple
pip3 config set global.index-url https://mirrors.aliyun.com/pypi/simple
pip3 config set global.index-url https://mirrors.huaweicloud.com/repository/pypi/simple
INSTALL OPTIONSpip install installs packages from:• PyPI(a.k.a. The Cheeseshop) and other indexes, using requirements specifiers.• VCS project urls.• Local project directories.• Local or remote source archives• Local wheel directories(python-pip-whl installs its wheels in /usr/share/ python-wheels and they can be locally installed by pip using --find-links)