Python configured using 
{{{
configure --prefix=/xnat/python/2.7.2
}}}

In birn-gridftp, there is a separate virtualenv for Python 2.7.2
{{{

cd /xnat/python/2.7.2
wget https://raw.github.com/pypa/virtualenv/master/virtualenv.py
bin/python virtualenv.py xnatenv

activate xnatenv
source /xnat/python/2.7.2/xnatenv/bin/activate
}}}

easy_install

{{{

easy_install ipython
easy_install nose

pip install httplib2
pip install lxml
easy_install pyxnat
}}}

downloaded numpy 1.6.1 and scipy 0.10
{{{
cd numpy-1.6.1/
python setup.py build --fcompiler=gnu95
python setup.py install

cd scipy-0.10.0/
python setup.py build --fcompiler=gnu95
python setup.py install
}}}