kiokudb/kiokudb — pull request #2 by mzedeler (2012-11-27 20:31:21+00:00)
Title: Trait that enables attribute fixup before serialization

A method which will be invoked just before the object is collapsed. ``setonsave`` is invoked with
the object as it's first parameter and the attribute is updated with the return value, similarly
to default and builder methods.