https://github.com/python/cpython/commit/cbe3a7f06a38c7fdda2d53183294499e533a3a0c
commit: cbe3a7f06a38c7fdda2d53183294499e533a3a0c
branch: main
author: Sangmin Lee <[email protected]>
committer: corona10 <[email protected]>
date: 2026-08-17T07:26:30Z
summary:
gh-150942: Speed up re.split result building (gh-155940)
files:
M Modules/_sre/sre.c
diff --git a/Modules/_sre/sre.c b/Modules/_sre/sre.c
index e742a25e4891fce..031e972aeba0312 100644
--- a/Modules/_sre/sre.c
+++ b/Modules/_sre/sre.c
@@ -1273,8 +1273,7 @@ _sre_SRE_Pattern_split_impl(PatternObject *self, PyObject
*string,
);
if (!item)
goto error;
- status = PyList_Append(list, item);
- Py_DECREF(item);
+ status = _PyList_AppendTakeRef((PyListObject *)list, item);
if (status < 0)
goto error;
@@ -1283,8 +1282,7 @@ _sre_SRE_Pattern_split_impl(PatternObject *self, PyObject
*string,
item = state_getslice(&state, i+1, string, 0);
if (!item)
goto error;
- status = PyList_Append(list, item);
- Py_DECREF(item);
+ status = _PyList_AppendTakeRef((PyListObject *)list, item);
if (status < 0)
goto error;
}
@@ -1301,8 +1299,7 @@ _sre_SRE_Pattern_split_impl(PatternObject *self, PyObject
*string,
);
if (!item)
goto error;
- status = PyList_Append(list, item);
- Py_DECREF(item);
+ status = _PyList_AppendTakeRef((PyListObject *)list, item);
if (status < 0)
goto error;
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