- Step 1: Read the OpenStack Style Commandments http://docs.openstack.org/developer/hacking/
- Step 2: Read on
When dealing with exceptions from underlying libraries, translate those exceptions to an instance or subclass of ClientException.
python-keystoneclient uses testtools and testr for its unittest suite and its test runner. Basic workflow around our use of tox and testr can be found at http://wiki.openstack.org/testr. If you'd like to learn more in depth:
https://testtools.readthedocs.org/ https://testrepository.readthedocs.org/