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gh-159739: Collect grapheme iterator and segment type cycles #159975

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Merged
JelleZijlstra merged 1 commit into from
Oct 21, 2026
+4 −0
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gh-159739: Collect grapheme iterator and segment type cycles #159975

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2 changes: 2 additions & 0 deletions Misc/NEWS.d/next/Library/2026-10-20-00-00-00.gh-issue-159739.0c4ae9.rst
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Original file line number Diff line number Diff line change
@@ -0,0 +1,2 @@
Fix reference cycles involving the types of grapheme iterators and segments
created by :func:`unicodedata.iter_graphemes`.
2 changes: 2 additions & 0 deletions Modules/unicodedata.c
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Expand Up @@ -1989,6 +1989,7 @@ Segment_dealloc(PyObject *self)
static int
Segment_traverse(PyObject *self, visitproc visit, void *arg)
{
Py_VISIT(Py_TYPE(self));
Py_VISIT(((SegmentObject *)self)->string);
return 0;
}
Expand Down Expand Up @@ -2057,6 +2058,7 @@ GBI_dealloc(PyObject *self)
static int
GBI_traverse(PyObject *self, visitproc visit, void *arg)
{
Py_VISIT(Py_TYPE(self));
Py_VISIT(((GraphemeBreakIterator *)self)->iter.str);
return 0;
}
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