We use Sphinx for source documentation. Current documentation is built automatically and available from our github.io site.
You also may generate the documentation via SCons from the openvisualizer directory, with the 'docs' target. All documentation templates (.rst files) are stored in the openvisualizer/docs directory.
The pythonhosted site includes an excellent page on Sphinx formatting. See the "Full Code Example" section at the bottom of the page for docstring tags.