Since you're creating a property whose value really does depend on the
value of another property, it's unclear (to me) why you think that
that dependence shouldn't be an aspect of the dependent property, that
is, something that is part of its descriptor.

That said, it's more than a little annoying that you have to type the
name of the independent property twice, once in its definition and a
second time in the dependent property's descriptor.

On Feb 10, 9:27 am, Jason DeFontes <[email protected]> wrote:
> Thanks for the suggestions. Neither option seems ideal to me:
> overriding Model.put() has the db.put() hole; creating a subclass of
> Property seems like a lot of leakage for logic that should really
> belong in the Model class. Oh well, I will deal if that's all there is.
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