I posted a rather long post a few days ago entitled
Setting up a Python Development Environment for HANA with Remote Debugging which outlined all the steps needed for in-depth python debugging using eclipse as an IDE.
If you are interested in setting up an eclipse based development scenario from scratch instead of starting with HANA Studio then you'll find the initial sections of the post most helpful.
I wanted to publish this post in order to make the original posting more findable in searches for eclipse.
Thanks,
-Andrew