You don't need this source code unless you want to modify the package. If you just want to use the Stripe Python bindings, you should run:
sudo pip install --index-url https://code.stripe.com --upgrade stripe
sudo easy_install --index-url https://code.stripe.com --upgrade stripe
(See www.pip-installer.org/en/latest/index.html for instructions on installing pip. If you are on a system with easy_install but not pip, you can use easy_install instead.)
To install from source, run:
python setup.py install
Please see stripe.com/api for the most up-to-date documentation.