https://github.com/python/cpython/commit/fe9f6e829a535747b1e06d9bfda033a9a47165ed
commit: fe9f6e829a535747b1e06d9bfda033a9a47165ed
branch: main
author: Victor Stinner <vstin...@python.org>
committer: vstinner <vstin...@python.org>
date: 2025-05-13T15:31:41+02:00
summary:
gh-133968: Add fast path to PyUnicodeWriter_WriteStr() (#133969)
Don't call PyObject_Str() if the input type is str.
files:
M Objects/unicodeobject.c
diff --git a/Objects/unicodeobject.c b/Objects/unicodeobject.c
index cd26494ad8f1d6..aa94fb91e65fc3 100644
--- a/Objects/unicodeobject.c
+++ b/Objects/unicodeobject.c
@@ -13929,7 +13929,12 @@ _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);
}
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