How about creating a _get method in your class like:
def _get_ident(self):
return self.namespace + ':' + str(self.id)
You have to give the identifier a different name, but it does what you want
in a simple way.
You now get your identifier by 'object.ident'
TiNo
2007/7/30, Oleg Broytmann <[EMAIL PROTECTED]>:
>
> On Mon, Jul 30, 2007 at 01:59:26AM -0300, ?$B%D Leandro Sales wrote:
> > I use the 'id' attribute of a sqlobject object in my program to
> > uniquely identify a object. But now I need to use something like
> > namespace:id as an identifier. What is the best way to produce this
> > output since id is integer?
> > I want something like that:
> >
> > select concat(namespace, ":", id) as id from object
> >
> > Suppose that I have a field named namespace. In other words, is
> > there a way to overload the get method which read the attribute id and
> > everytime that I read object.id, sqlobject concat namespace + ":" +
> > id.
>
> Unfortunataely, there is no easy way. SQLObject requires a
> single-column
> primary key. I heard rumors some people succeeded in setting up
> multiple-columns keys but in a complex way:
>
>
> http://sqlobject.org/SQLObject.html#workaround-for-primary-keys-made-up-of-multiple-columns
>
> Oleg.
> --
> Oleg Broytmann http://phd.pp.ru/ [EMAIL PROTECTED]
> Programmers don't die, they just GOSUB without RETURN.
>
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