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bpo-32388: Remove cross-version binary compatibility requirement in tp_flags (GH-4944)

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It is now allowed to add new fields at the end of the PyTypeObject struct without having to allocate a dedicated compatibility flag in tp_flags.

This will reduce the risk of running out of bits in the 32-bit tp_flags value.
This commit is contained in:
Antoine Pitrou 2019-05-29 22:12:38 +02:00 • committed by GitHub
parent 43fdbd2729
commit ada319bb6d
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18 changed files with 52 additions and 51 deletions
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5
Objects/object.c
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@ -298,10 +298,7 @@ PyObject_CallFinalizer(PyObject *self)
{
PyTypeObject *tp = Py_TYPE(self);
/* The former could happen on heaptypes created from the C API, e.g.
PyType_FromSpec(). */
if (!PyType_HasFeature(tp, Py_TPFLAGS_HAVE_FINALIZE) ||
tp->tp_finalize == NULL)
if (tp->tp_finalize == NULL)
return;
/* tp_finalize should only be called once. */
if (PyType_IS_GC(tp) && _PyGC_FINALIZED(self))