On 1 fév, 21:16, Massimo Di Pierro <massimo.dipie...@gmail.com> wrote:

> In web2py you cannot store instances of objects into session. While
> Armin makes it tool like this is a web2py problem this is more complex
> and general than that. In Python if you pickle and object that is
> instance of a class defined in /path1/mymodule.py and then you
> unpickle on a different installation where the class is defined in /
> path2/mymodule.py you may run into problems. Because web2py does not
> require installation (it is a feature) and has hot plug and play of
> apps (another feature) we cannot pickle instances (the price we pay
> for those features). To me it is worth it.

I know for experience that storing instances in session is usually a
bad application design idea.

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