virtualenv离线创建虚拟环境

python离线创建虚拟环境

/usr/local/python3/bin/virtualenv env --no-setuptools --no-pip --no-wheel

source env/bin/activate

unzip setuptools-50.3.0.zip
cd setuptools-50.3.0
python setup.py install

tar -zxvf pip-20.2.3.tar.gz
cd pip-20.2.3
python setup.py install