How to setup PyDev's python interpreter in eclipse using pip within a virtualenv

Question

I want to use pip to install new packages and they say to install pip in a virtualenv. I did that and installed some packages and use them no problem.

But

Answer 1

I did some research on the google-appengine-python group and they say to go with option 3: Don't listen to the pip advice when using it with google appengine. appengine does not play nice with virtualenv.

Refs:

Appengine with virtualenv

Strange imports (and WARNINGs) in development server