basho/riak-python-client — pull request #109 by armon (2012-03-16 23:37:48+00:00)
Title: Add support for if_none_match when calling store() on a RiakObject

We need to make use of the if_none_match feature of the put API. We only use the PBC transport, but we've added support to the HTTP transport as well. Default argument values retain the current behavior.