Ubuntu installation python3 virtual environment

Most Linux comes with python2.7, but Ubuntu1.6 also comes python3.x, this article is mainly recorded virtualenv + vitualenvwrapper use python3 virtual environment.

Virtual environment benefit more than that, to avoid version changes, making the development of action independently of each other

First, install virtualenv, command

 sudo apt-get install python-virtualenv
 

# Second, the installation virtualwrapper
virtualwrapper is a simple and convenient tool for managing virtual environments, use the command

 sudo pip install virtualenvwrapper

Third, the environment variable configuration virtualwrapper

1, vim open ./bashrc

 sudo vim ~/.bashrc

2, shift + g to reach the final text, the most by adding the following under the name

export WORK_HOME=$HOME/.virtualenvs
source /usr/local/bin/virtualenvwrapper.sh

　

3, the implementation ./bashrc

source ~/.bashrc 命令之后才会生效

Using four basic commands

1, to create a virtual environment　

mkvirtualenv 环境名（此环境是根据系统变量环境创建的，即py2）

Creating python3 environment

mkvirtualenv --python=/usr/bin/pyhton3 name

2, enter the virtual environment

workon name

3, exit the virtual environment

deactivate

4. Delete the virtual environment

rmvirtualenv  name