python虚拟环境

python 虚拟环境

python -m venv venvdemo

cd venvdemo

dir

cd Lib

activate

python

显示环境变量

echo %PATH%

import sys

from pprint import pprint

pprint(sys.path)

虚拟环境安装

pip install django

安装时安装三个

卸载只卸载一个

pip uninstall django

cd Scripts

python

import sys

sys.path

进入虚拟环境的Scripts 激活虚拟环境

pip list

pip freeze > requirements.txt

pip install -r requirements.txt