What I am interested in is a callback. Preferably just after methods get bound. So in `object.__new__`.
I have done it via metaclass, but it is not ideal as there would be too much overhead. I think what I am looking for is custom method binding. Regards, DG > On 16 Nov 2023, at 20:02, Dieter Maurer <die...@handshake.de> wrote: > > Dom Grigonis wrote at 2023-11-15 18:44 +0200: >> So there is a method __set_name__ which is called on class creation. >> >> The functionality that I am interested in is not retrieving name, but the >> fact that it also receives `owner` argument. >> >> Thus, allowing simulation of bound class method. >> >> I was wandering if there is an equivalent functionality of attribute to >> receive `instance` argument on instance creation. > > As PEP 487 describes, `__set_name__` essentially targets descriptors. > It is there to inform a descriptor about the name it is used for > in a class (and the class itself). There is no other (easy) way to allow > a descriptor to learn about this name. > > If a descriptor is accessed via an instance, the descriptor (protocol) > methods get the instance as parameter. > Note that descriptors are stored in the class: they must not store > instance specific information in their attributes. > Therefore, a method informing an descriptor about instance creation > would not help: it cannot do anything with it. -- https://mail.python.org/mailman/listinfo/python-list