python virtualenv

python, virtualenv

Virtualenv

Installation

1	> pip install virtualenv

User Guide

1. use the same version

1 2	# 虚拟Python环境 ENV is path > virtual ENV

2. different python version

1
2
3

# PYTHON： 指定使用Python版本(C:\Python27\python.exe)
# ENV:  新建环境的目录位置
> virtualenv -p PYTHON  ENV

启动

# activate
# powershell
> Set-ExecutionPolicy AllSigned
> Set-ExecutionPolicy RemoteSigned
> /path/to/ENV/Scripts/activate.ps1

# shell
> source /path/to/ENV/bin/activate、

# deactivate
> deactivate