Virtualenv is an easy way to create virtual environments for developing with different versions of python. If you don’t know how to install different versions of Python take a look at this post.

sudo equo install virtualenv

Intall the Python Package Index (PIP) and the virtualenvwrapper.

sudo equo install dev-python/pip

sudo pip install virtualenvwrapper

Add the following to the file: ~/.bashrc

# Virtualenvwrapper
source $(type virtualenvwrapper_lazy.sh)