Neil> No, abstract_isinstance has been broken for a long time, maybe
Neil> forever. It is supposed to work for class-like objects like
Neil> ExtensionClass instances as well as for standard classes and
Neil> types. One problem was that if you gave it a normal instance as
Neil> the first argument but an ExtensionClass as the second argument it
Neil> raised a type error. It's annoying to us at the MEMS Exchange
Neil> because we use ExtensionClasses and isinstance all the time ...
Getting a little off the subject, but a good first test of the new 2.2
type/class stuff is that it only took James Henstridge a couple days to
convert the PyGtk2 stuff from ExtensionClass to pure 2.2 code. I've
experienced no problems related to that change.
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