PyDev brings support for working with Python files to Eclipse. Installing the PyDev plugin for Eclipse is very easy:
Go to Help -> Install New Software. Click on Add and add http://pydev.org/updates if you want the Stable version or http://pydev.org/nightly if you want the bleeding edge versions.
PyDev appears in the list below, choose it and follow through the dialog, giving it install permissions and it will be installed. You will need to restart Eclipse to use PyDev.
Tried with: Eclipse Luna 4.4.1 and Ubuntu 14.04