On 11/21/2022 12:24 AM, dn wrote:
My original question probably was intended to be something like: "Today, we can add attributes to a module from the outside. How large is the risk that this will be forbidden one day, so that all code using this will stop working?".
This can happen today if, for example, a class is changed to use slots for everything. Between slots and type checking, it can become impossible to add an arbitrary attribute. *You* may be able to avoid this, but if you use someone else's modules or classes it could happen at any time.
I might regret the loss of being able to assign an arbitrary attribute wherever I like, but for complex libraries, it is probably a good idea in the long run.
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