First some variables:
export prefix=/somewhere
export python=$prefix/python
export minitage=$prefix/minitage
export ins=$minitage/zope/myproject
Bootstrap python:
mkdir -p $python
cd $python
wget http://git.minitage.org/git/minitage/shell/plain/PyBootstrapper.sh
bash ./PyBootstrapper.sh $python
Make a minitage instance:
$python/bin/virtualenv --no-site-packages $minitage
source $minitage/bin/activate
easy_install -U minitage minitage.paste
minimerge -s
Install python-2.5:
minimerge python-2.5