On Mon, 6 May 2019 15:55:03 +0200 Jeroen Demeyer <j.deme...@ugent.be> wrote: > Hello, > > I have a simple question for which there doesn't seem to be a good > answer: is the layout of PyTypeObject considered to be part of the > stable ABI? > > Officially, the answer is certainly "no" (see PEP 384). > > However, unofficially the answer might be "yes". At least, the last time > that an incompatible change was made to PyTypeObject (adding tp_finalize > in Python 3.4, PEP 442), care was taken not to break the ABI by using > the Py_TPFLAGS_HAVE_FINALIZE flag. > > There is some discussion about this on https://bugs.python.org/issue32388
The discussion there was more or less conclusive. At the time it was too late to go into 3.7 and then I (and others) forgot about it. We should revive that PR in time for 3.8. Regards Antoine. _______________________________________________ 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
