On 19 Sep, 2013, at 12:00, Paul Moore <p.f.mo...@gmail.com> wrote: > On 19 September 2013 10:32, Ronald Oussoren <ronaldousso...@mac.com> wrote: >> The first time a method is called the bridge looks for an Objective-C >> selector >> with the same name and adds that to the class dictionary. This works fine >> for normal >> method lookups, by overriding __getattribute__, but causes problems with >> super: >> super happily ignores __getattribute__ and peeks in the class __dict__ which >> may >> not yet contain the name we're looking for and that can result in incorrect >> results >> (both incorrect AttributeErrors and totally incorrect results when the name >> is >> not yet present in the parent class' __dict__ but is in the grandparent's >> __dict__). > > As an alternative approach, could you use a custom dict subclass as > the class __dict__, and catch the peeking in the class __dict__ that > way? Or is this one of those places where only a real dict will do?
The C code uses PyDict_GetItem and AFAIK that doesn't look for a __getitem__ implementation in a subclass. Ronald > > Paul _______________________________________________ Python-Dev mailing list Python-Dev@python.org https://mail.python.org/mailman/listinfo/python-dev Unsubscribe: https://mail.python.org/mailman/options/python-dev/archive%40mail-archive.com
