If you are familiar with Python, it is strongly suggested that you install everything in virtualenv.

If you are using OS X , make sure you have installed the Command Line Tools .

Install using pip

Install extender via pip is easy

(sudo) pip install extender

and you can also install from the latest source code with pip

(sudo) pip install

Upgrade from older version

It’s also easy to upgrade your extender

(sudo) pip install -U extender

Install with Git

Install with git can always have the latest code

git clone git://
cd extender
python install