design question: no new attributes
aisaac at american.edu
Thu Mar 1 22:59:30 CET 2007
The security application seems to call for roles.
I'll have to think about the schema example.
But in any case, my question was poorly stated.
I started out wanting to trap was the dynamic
addition of attributes to class instances after
initialization. While you responded to my later question
as asked, the response does not I think take this context
"Bruno Desthuilliers" <bdesth.quelquechose at free.quelquepart.fr> wrote in
message news:45e7438f$0$29410$426a74cc at news.free.fr...
> As a side note : in Python, *all* attributes are "dynamically created".
> ... Writing methods
> within the class statement body makes things clearer, but is by no mean
Point taken. And I understand it means that my talk of
"after initialization" above contains some ambiguity.
One last point. While I remain interested in examples of how
"late" addition of attributes to class instances is useful,
I must note that everyone who responded agreed that it
has been a source of bugs. This seems to argue against a
general ban on "locking" objects in some way, in some
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