I don't think this will help you solve your problem, but one thing we've done in unladen swallow is to hack PyType_Modified to invalidate our own descriptor caches. We may eventually want to extend that into a callback interface, but it probably will never be considered an API that outside code should depend on. Reid On Tue, Mar 2, 2010 at 9:57 PM, Benjamin Peterson <benjamin at python.org> wrote: > 2010/3/2 Daniel Stutzbach <daniel at stutzbachenterprises.com>: >> In CPython, is it safe to cache function pointers that are in type objects? >> >> For example, if I know that some_type->tp_richcompare is non-NULL, and I >> call it (which may execute arbitrary user code), can I assume that >> some_type->tp_richcompare is still non-NULL? > > Not unless it's builtin. Somebody could have deleted the rich > comparison methods. > > > > -- > Regards, > Benjamin > _______________________________________________ > Python-Dev mailing list > Python-Dev at python.org > http://mail.python.org/mailman/listinfo/python-dev > Unsubscribe: http://mail.python.org/mailman/options/python-dev/reid.kleckner%40gmail.com >
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