[jens@ca60c173 ~]$ export PYTHONPATH=/tmp/lib/python2.7/site-packages
[jens@ca60c173 ~]$ easy_install --prefix=/tmp easybuild
Creating /tmp/lib/python2.7/site-packages/site.py
Searching for easybuild
Best match: easybuild 1.0.1
Processing easybuild-1.0.1-py2.7.egg
Adding easybuild 1.0.1 to easy-install.pth file

Using /home/jens/.local/lib/python2.7/site-packages/easybuild-1.0.1-py2.7.egg
Processing dependencies for easybuild
Finished processing dependencies for easybuild
[jens@ca60c173 ~]$ python
Python 2.7.3 (default, Jul 24 2012, 10:05:38)
[GCC 4.7.0 20120507 (Red Hat 4.7.0-5)] on linux2
Type "help", "copyright", "credits" or "license" for more information.
>>> import site
>>> site.PREFIXES
['/usr', '/usr']
>>> site.getsitepackages()
['/usr/lib64/python2.7/site-packages', '/usr/lib/python2.7/site-packages', '/usr/lib/site-python']
>>> site.getusersitepackages()
'/home/jens/.local/lib/python2.7/site-packages'
>>> import sys
>>> sys.prefix
'/usr'
>>> sys.exec_prefix
'/usr'