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bpo-45383: Inherit MetaClass from bases in FromSpec API by seberg · Pull Request #28748 · python/cpython · GitHub
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bpo-45383: Inherit MetaClass from bases in FromSpec API #28748

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Merged
encukou merged 19 commits into from
Jun 9, 2022
Merged

bpo-45383: Inherit MetaClass from bases in FromSpec API #28748

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67c8a97
BUG: Inherit MetaClass from bases in FromSpec API
seberg Oct 5, 2021
2012aaa
📜🤖 Added by blurb_it.
blurb-it[bot] Oct 5, 2021
881ba13
MAINT: Address review comments
seberg Oct 20, 2021
6fd1926
Merge in the main branch
encukou May 27, 2022
aad7456
Disallow non-type metaclasses
encukou May 27, 2022
aba4208
Use custom metaclasses for the tests, rather than stuff from ctypes
encukou May 27, 2022
4eb003a
Make PyType_FromMetaclass refcounting easier to follow
encukou May 27, 2022
1ae7969
Adjust documentation
encukou May 27, 2022
6001a33
Fix type warning
encukou May 31, 2022
1ad0eca
Remove unused includes from _testcapimodule.c
encukou May 31, 2022
ea69819
Use an explicit role in the News entry
encukou May 31, 2022
cb1527f
Test that __subclasses__ is updated properly
encukou May 31, 2022
f86d2b5
Document caveats, suggest that PyType_From* is not for user-provided …
encukou May 31, 2022
93c65e8
Remove unused variable
encukou May 31, 2022
d881750
Move bases calculation before the allocation
encukou May 31, 2022
a7af972
Fix compiler warning for Py_NewRef result
encukou Jun 1, 2022
2f47be3
Use PyErr_Occurred rather than a variable
encukou Jun 9, 2022
ef6bcce
Use PEP 7 style
encukou Jun 9, 2022
6b31880
Replace duplicate Py_TPFLAGS_BASETYPE check with an assert
encukou Jun 9, 2022
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Use PyErr_Occurred rather than a variable
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@encukou
encukou committed Jun 9, 2022
commit 2f47be342c056c4008ea111a11cf8dadb5f03d0e
4 changes: 1 addition & 3 deletions Objects/typeobject.c
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Original file line number Diff line number Diff line change
Expand Up @@ -3410,7 +3410,6 @@ PyType_FromMetaclass(PyTypeObject *metaclass, PyObject *module,
PyTypeObject *type;
PyObject *bases = NULL;
int r;
int success = 0;

const PyType_Slot *slot;
Py_ssize_t nmembers, weaklistoffset, dictoffset, vectorcalloffset;
Expand Down Expand Up @@ -3670,10 +3669,9 @@ PyType_FromMetaclass(PyTypeObject *metaclass, PyObject *module,
}

assert(_PyType_CheckConsistency(type));
success = 1;

finally:
if (!success) {
if (PyErr_Occurred()) {
Py_CLEAR(res);
}
Py_XDECREF(bases);
Expand Down