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| author | Mark Shannon <mark@hotpy.org> | 2022-08-17 11:50:53 (GMT) |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2022-08-17 11:50:53 (GMT) |
| commit | b73e3b6d4a6c505f2869ae4d0a4a93241450cf32 (patch) | |
| tree | 4225e01b62828975bd57361b2d1137bae9aa754e /Misc | |
| parent | 0f2b469ce1a6f123ad9e151b1771651b3e1d2de6 (diff) | |
| download | cpython-b73e3b6d4a6c505f2869ae4d0a4a93241450cf32.zip cpython-b73e3b6d4a6c505f2869ae4d0a4a93241450cf32.tar.gz cpython-b73e3b6d4a6c505f2869ae4d0a4a93241450cf32.tar.bz2 | |
GH-95589: Dont crash when subclassing extension classes with multiple inheritance (GH-96028)
* Treat tp_weakref and tp_dictoffset like other opaque slots for multiple inheritance.
* Document Py_TPFLAGS_MANAGED_DICT and Py_TPFLAGS_MANAGED_WEAKREF in what's new.
Diffstat (limited to 'Misc')
| -rw-r--r-- | Misc/NEWS.d/next/C API/2022-08-16-16-54-42.gh-issue-95589.6xE1ar.rst | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/Misc/NEWS.d/next/C API/2022-08-16-16-54-42.gh-issue-95589.6xE1ar.rst b/Misc/NEWS.d/next/C API/2022-08-16-16-54-42.gh-issue-95589.6xE1ar.rst new file mode 100644 index 0000000..696e3c8 --- /dev/null +++ b/Misc/NEWS.d/next/C API/2022-08-16-16-54-42.gh-issue-95589.6xE1ar.rst @@ -0,0 +1,4 @@ +Extensions classes that set ``tp_dictoffset`` and ``tp_weaklistoffset`` +lose the support for multiple inheritance, but are now safe. Extension +classes should use :const:`Py_TPFLAGS_MANAGED_DICT` and +:const:`Py_TPFLAGS_MANAGED_WEAKREF` instead. |