https://github.com/python/cpython/commit/de9deb7ca7120fbb5cbbb53044ce91087065e723
commit: de9deb7ca7120fbb5cbbb53044ce91087065e723
branch: main
author: Victor Stinner <vstin...@python.org>
committer: vstinner <vstin...@python.org>
date: 2025-04-23T08:59:30+02:00
summary:
gh-132713: Simplify list_repr_impl() (#132811)
files:
M Objects/listobject.c
diff --git a/Objects/listobject.c b/Objects/listobject.c
index 3f665a4929f14e..2ac4ce095fcadd 100644
--- a/Objects/listobject.c
+++ b/Objects/listobject.c
@@ -595,12 +595,8 @@ list_repr_impl(PyListObject *v)
/* Do repr() on each element. Note that this may mutate the list,
so must refetch the list size on each iteration. */
for (Py_ssize_t i = 0; i < Py_SIZE(v); ++i) {
- item = list_get_item_ref(v, i);
- if (item == NULL) {
- // List truncated while iterating on it
- PyErr_Clear();
- break;
- }
+ /* Hold a strong reference since repr(item) can mutate the list */
+ item = Py_NewRef(v->ob_item[i]);
if (i > 0) {
if (PyUnicodeWriter_WriteChar(writer, ',') < 0) {
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