windows install python virtual environment

windows installation pytho virtual environment

Method One: virtualenv

(1) using pip mounted virtualenv tool

pip install virtualenv

(2) use virtualenv create a virtual environment directory

Command: virtualenv Demo Demo # directory name

(3) into the virtual environment

First, enter the virtual environment directory, here's virtual environment directory called: virdir

cd virdir

Then enter the directory Scripts

cd Scripts

Run activate.bat enter the virtual environment

activate.bat

Such windows project a virtual environment is now installed.

You can use pip list to view the virtual environment in which libraries

(4) to exit the virtual environment to run deactivate.bat withdrew.

deactivate.bat

 

Method two: virtualenvwrapper-win ( recommend this method )

(1)Windows 环境安装使用 pip install  virtualenvwrapper-win

(2)使用virtualenvwrapper管理虚拟环境

建新的虚拟环境 mkvirtualenv  virdir2

virdir2 为虚拟环境名,创建成功后直接进入

此虚拟环境默认创建目录：C:\Users\hsz\Envs

即：C:\Users\计算机用户名\Envs 的目录下

虚拟环境常用命令：

(1)创建虚拟环境

mkvirtualenv  virdir2

(2)激活虚拟环境

activate venv

(3)停止虚拟环境

deactivate

(4)删除虚拟环境

直接删除目录即可.

rmvirtualenv venv　

(5)列出所有虚拟环境

lsvirtualenv或workon

(6)virtualenv -p 版本控制安装

virtualenv -p python.exe的路径

ps : virtualenv -p C:\Python27\python.exe