[Zope3-Users] sqlalchemy and FieldProperty
Darryl Cousins
darryl at darrylcousins.net.nz
Sun Jan 27 15:31:45 EST 2008
On Sun, 2008-01-27 at 13:03 -0500, Stephan Richter wrote:
> On Friday 21 December 2007, Darryl Cousins wrote:
> > I find that when I map a class to a table I lose the auto-magic
> > vaidation provided by FieldProperty when setting attributes.
>
> I bet you that sqlalchemy does some evil class hacking. Actually, I gotta
> check this out. :-) Yeah, from looking at the mapper.py module, I can see
> that really weird things happen there. They overwrite attributes left and
> right. Man, I love persistent! I wish they would have used it as a base for
> their work.
Hi Stephan,
Thanks for your comment.
Just yesterday I was looking at a couple of external sqlalchemy
projects: Elixir [1] and sqlalchemy-validations [2]. I only had a brief
look through the code but the way sqlalchemy-validations hooks itself
into Elixir seemed point to a way to hook zope fieldproperty in there.
Maybe. ;-)
[1] http://elixir.ematia.de/trac/
[2] http://code.google.com/p/sqlalchemy-validations/
Regards,
Darryl
>
> Regards,
> Stephan
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