PyGObject appears to have no real documentation. This tutorial is as close as it gets. I\'ve been struggling all morning simply trying to find a description of the arguments acc
To expand a little to the accepted answer; the GObject Introspection Doctools page has a section on how to create your own documentation.
On Ubuntu 12.04.2 LTS you can issue the following commands:
$> g-ir-doc-tool --language Python -o ./output_dir /usr/share/gir-1.0/Gtk-3.0.gir
$> yelp ./output_dir/index.page