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gh-141510: Optimize {frozen}dict.fromkeys for frozendict #144915

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Merged
corona10 merged 18 commits into from
Feb 17, 2026
Merged

gh-141510: Optimize {frozen}dict.fromkeys for frozendict #144915

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fd3be29
gh-141510: Optimize {frozen}dict.fromkeys for frozendict
corona10 Feb 17, 2026
36f2d77
Add NEWS.d
corona10 Feb 17, 2026
f056fa6
Update docs
corona10 Feb 17, 2026
b51b1aa
fix
corona10 Feb 17, 2026
a49d630
Address code review
corona10 Feb 17, 2026
da588a1
Address code review
corona10 Feb 17, 2026
49e8a98
Address code review
corona10 Feb 17, 2026
8d8fc98
Address code review
corona10 Feb 17, 2026
fa2505a
nit
corona10 Feb 17, 2026
fcef217
fix
corona10 Feb 17, 2026
0e70217
fix
corona10 Feb 17, 2026
305b2ef
fix
corona10 Feb 17, 2026
0a1b400
Revert "fix"
corona10 Feb 17, 2026
5e27575
Revert "fix"
corona10 Feb 17, 2026
6c8d856
Revert "fix"
corona10 Feb 17, 2026
26c46c7
Revert "nit"
corona10 Feb 17, 2026
d2fb5a0
Revert "Address code review"
corona10 Feb 17, 2026
e7c7dff
Address code review
corona10 Feb 17, 2026
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Revert "nit" 
This reverts commit fa2505a.
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@corona10
corona10 committed Feb 17, 2026
commit 26c46c7fff515a8e85c718ae613a466c3c3db92b
3 changes: 2 additions & 1 deletion Objects/dictobject.c
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Original file line number Diff line number Diff line change
Expand Up @@ -3322,7 +3322,8 @@ _PyDict_FromKeys(PyObject *cls, PyObject *iterable, PyObject *value)

if (PyAnyDict_CheckExact(d)) {
while ((key = PyIter_Next(it)) != NULL) {
status = anydict_setitem_take2((PyDictObject *)d, key, Py_NewRef(value));
status = anydict_setitem_take2((PyDictObject *)d,
key, Py_NewRef(value));
if (status < 0) {
assert(PyErr_Occurred());
goto Fail;
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