Thanks Michael,
my need is quite easy, no need of complex querying.
Simply my class represents a Layer and, while quite all layer types
(concrete, wood, bricks, etc.) act the same, only one (air) acts in a
completely different way.
With "act" I refer to performing calculations on float attributes, no more.
So I can simply put in all calc functions separate operations:
if self.type == air:
#air calcs
else:
#all others calcs
or, in a more elegant way, use a Layer subclass named Air.
I can't create subclasses for all other layers since I don't know them in
advance.
As far as I understand I have to go with first solution at the moment,
right?
On Thu, Jul 28, 2011 at 11:38 PM, Michael Bayer <[email protected]>wrote:
> column_property()
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