Cloning this repository:

git clone git://gitorious.org/~gafton/git-python/gafton-gitpythpon-mainline.git gafton-gitpythpon-mainline
cd gafton-gitpythpon-mainline

Add this repository as a remote to an existing local repository:

git remote add gafton-gitpythpon-mainline git://gitorious.org/~gafton/git-python/gafton-gitpythpon-mainline.git
git fetch gafton-gitpythpon-mainline
git checkout -b my-local-tracking-branch gafton-gitpythpon-mainline/master_or_other_branch