There are no requirements to use core features.
Plugins have addtional dependencies but typically require the appropriate python library to work. Check your plugin documentation for details.
To build the documentation from source you will need sphinx.
There are several installation options available:
This package is being actively maintained and published in the Python Package Index. You can install it if you have pip tool using just one line:
pip install versiontools
To install from source you must first obtain a source tarball from versiontools pypi page. Unpack the tarball and run:
python setup.py install
You can pass --user if you prefer to do a local (non system-wide) installation.
Note
To install from source you will need setuptools or distribute. They are typically installed on any Linux system with python but on Windows you may need to install that separately.
For Ubuntu 10.04 onward there is a stable PPA (personal package archive):
To add a ppa to an Ubuntu system use the add-apt-repository command:
sudo add-apt-repository ppa:linaro-validation/ppa
After you add the PPA you need to update your package cache:
sudo apt-get update
Finally you can install the package, it is called python-versiontools:
sudo apt-get install python-versiontools