[Grok-dev] schema.List returns a list, but is it persistent?

Wichert Akkerman wichert at wiggy.net
Thu Aug 27 07:17:15 EDT 2009

On 2009-8-27 11:13, Martin Aspeli wrote:
> Sebastian Ware wrote:
>> That is true, however I would definitely call that behaviour a bug in
>> schema.List. The assumption that only data manipulation is done with
>> applyData sounds risky. You could get some pretty creepy bugs...
>> Anyway, I'll look into your suggestion.
>> A suggestion is to change the behaviour of applyData so that it
>> returns PersistentList.
> -1
> The implications for backwards compatibility are enormous.


Using PersistentList also means you are now dependent on ZODB and can no 
longer user other storage options, for example SQLAlchemy via megrok.rdb.


Wichert Akkerman <wichert at wiggy.net>   It is simple to make things.
http://www.wiggy.net/                  It is hard to make things simple.

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