This is no python, but you can call it a plugin, however its not really.
Its a user preference.
This user preference contains standard materials a la Zbrush.
Its very useful if you use the Sculpt tool a lot.
here are the materials
- THIS IS ALL REALTIME IN YOUR 3D VIEW!
And the scene has a mouselook camera, so its also suitable for game makers.
You can dowlnoad it here:
To use this, just press ctr+u!