First off, don't use the "seed_data"
to_datastruct/from_datastruct to
[...]
raise exceptions.NotImplementedError
Both issues fixed (actually, I didn't like very much the from_datastruct,
but wasn't aware about any other way to create a repo).
I'm afraid that I have moved into my github some changes from cobbler
repository, but I expect that to be harmless.
Javier Palacios