This is where I would start.

"PluThon (Eclipse based)
PluThon is a full Python IDE for Maemo, based on Eclipse. While PluThon is easy to use and provides a complete solution, it is not necessary for basic Python development for Maemo. If you already use Eclipse for your development, PluThon might be your best option."

http://wiki.maemo.org/PyMaemo/QuickStartGuide

Eclipse rocks. Python rocks. Using both for Maemo device development sounds pretty sweet to me.