Adding python modules to pydev in eclipse results in import error?

Question

I have a problem getting PyDev on eclipse to recognize already installed modules. Here is my detailed approach. The machine is a Mac (Snow Leopard).

In terminal the

Answer 1

I ran into the same problem just today. I am using pydev and had a working project with a number of sub-packages. Suddenly after having created a new module I was not able to use this module in a different package. The puzzling feature was that I could use another module in the same sub-package...

Finally after

1. eclipse restart
2. remove/add python interpreter and all site-packages
3. annoyed head-scratching

I deleted all compiled classes with the following script:

import os

def clean_folder(folder):
  for file in os.listdir(folder):
    path = os.path.join(folder,file)
    if os.path.isdir(path):
        clean_folder(path)

    if '.pyc' == file[-4:]:
        print 'deleting: ' + str(path)
        os.remove(path)

if __name__ == '__main__':
  folder = 'YOUR_PROJECT_SRC_PATH'
  clean_folder(folder)

and finally I can do 'actual' work :) Hope it helps somebody...