Most efficient way of setting up a project Pydev PYTHONPATH in Eclipse (Helios)?

Question

I want to add all folders in my Pydev project to PYTHONPATH so that I can reap the benefits of easily seeing unused imports etc. To do this I seemingly have to add all folde

Answer 1

(This should be a Comment to Fabio's answer, but insufficient rep)

(PyDev 2.7.1.2012100913)

Adding folders to the PythonPath does not work for EFS/Remote folders (rse://...)

When you click 'Apply' gives:

An internal error occurred during: "Python Nature: rebuilding modules".
java.lang.NullPointerException