Many companies in order to ensure the security of the code, including the network or network without the development of the situation, how the offline installation package, is a headache problem, found online Windows installation methods, not the Mac. pip tool completely solve the problem
pip show 【package name】
pip download 【package name】
pip install 【package name】 --no-index --find-links=.
A defect is a need to install, stupid way, if there is a good way to welcome the message.