I'm working on a website for a game, the engine of which involves a 
heirarchy of custom classes. I need to find some way to store the gamestate 
between sessions, so that logged-in users can pick up a game from one of 
their associated characters from where they last saved.

My original idea was to pickle the game engine and store it in a text or 
blob field in my db.characters table, so that each character would have 
their associated gamestate stored in the same table. However, when trying a 
text field, the pickled object wasn't escaped correctly so it threw an 
SQLite error; using a binary pickle stored in a blob field, it threw a 
"<class> is not the same as object" PicklingError.

Are there ways to get around either of these errors? Or is there some other 
way I should be storing the game sessions? There are enough variables and 
nested objects that storing them in individual fields of a table would be a 
real pain; I thought about trying to integrate ZODB, but I have no idea if 
web2py plays nice with object databases.

Any suggestions? Thanks!

-- 
Resources:
- http://web2py.com
- http://web2py.com/book (Documentation)
- http://github.com/web2py/web2py (Source code)
- https://code.google.com/p/web2py/issues/list (Report Issues)
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