I've used them to build a serialization/deserialization library for a proprietary protocol. To cut down on needless boilerplate I had the metaclass build setter

I've used them to build a serialization/deserialization library for a proprietary protocol. To cut down on needless boilerplate I had the metaclass build setter/getter/en- and decoders from a static member variable. Inspired also by how Django describes its data model.