From 5632e93f467564a1d09bd6d38caef6c4fa1f047f Mon Sep 17 00:00:00 2001 From: "Miss Islington (bot)" <31488909+miss-islington@users.noreply.github.com> Date: Tue, 13 May 2025 15:58:25 +0200 Subject: [PATCH] [3.14] gh-133968: Add fast path to PyUnicodeWriter_WriteStr() (GH-133969) (#133971) gh-133968: Add fast path to PyUnicodeWriter_WriteStr() (GH-133969) Don't call PyObject_Str() if the input type is str. (cherry picked from commit fe9f6e829a535747b1e06d9bfda033a9a47165ed) Co-authored-by: Victor Stinner --- Objects/unicodeobject.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/Objects/unicodeobject.c b/Objects/unicodeobject.c index 4e1aafb91fc..9b8e3bb5462 100644 --- a/Objects/unicodeobject.c +++ b/Objects/unicodeobject.c @@ -13954,7 +13954,12 @@ _PyUnicodeWriter_WriteStr(_PyUnicodeWriter *writer, PyObject *str) int PyUnicodeWriter_WriteStr(PyUnicodeWriter *writer, PyObject *obj) { - if (Py_TYPE(obj) == &PyLong_Type) { + PyTypeObject *type = Py_TYPE(obj); + if (type == &PyUnicode_Type) { + return _PyUnicodeWriter_WriteStr((_PyUnicodeWriter*)writer, obj); + } + + if (type == &PyLong_Type) { return _PyLong_FormatWriter((_PyUnicodeWriter*)writer, obj, 10, 0); }