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Yeah I know ZODB, but it's not what I want for several reasons:

-Requires C extensions to run (makes it complicated to install on other systems) -Does not provide advanced querying capabilities (to my knowledge) -Does not have transparent references and lazy loading (to my knowledge) -Does not interoperate with MongoDB and other DB systems (to my knowledge)

The nice thing about Blitz is that it allows me to switch from a file-based backend to MongoDB (and SQL in the future) without changing any of my code, and I can write stuff like this:

al_pacino = backend.get(Actor,{'name' : 'Al Pacino'}) robert_de_niro = backend.get(Actor,{'name' : 'Robert de Niro'})

joint_movies = backend.filter(Movie,{'cast' : {'$all' : [al_pacino,robert_de_niro]}})



I can debunk two of these right off the bat:

Requires C extensions to run - Nope, there are pure-Python implementations as well.

Does not provide advanced querying capabilities - Nope, https://pypi.python.org/pypi/zope.index, https://pypi.python.org/pypi/zope.app.catalog, http://docs.repoze.org/catalog/


Thanks for the clarification, ZODB sure is a very interesting project!




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