Avoid %T format in error message (#146)

vstinner · web-flow · commit b541b98df1e3 · 2025-06-24T11:40:12.000+02:00
The %T format was added to Python 3.13 (PEP 737).
diff --git a/pythoncapi_compat.h b/pythoncapi_compat.h
@@ -1491,7 +1491,8 @@ PyUnicodeWriter_WriteSubstring(PyUnicodeWriter *writer, PyObject *str,
                                Py_ssize_t start, Py_ssize_t end)
 {
     if (!PyUnicode_Check(str)) {
-        PyErr_Format(PyExc_TypeError, "expect str, not %T", str);
+        PyErr_Format(PyExc_TypeError, "expect str, not %s",
+                     Py_TYPE(str)->tp_name);
         return -1;
     }
     if (start < 0 || start > end) {

Original file line number	Diff line number	Diff line change
`@@ -1491,7 +1491,8 @@ PyUnicodeWriter_WriteSubstring(PyUnicodeWriter writer, PyObject str,`
`1491`	`1491`	`Py_ssize_t start, Py_ssize_t end)`
`1492`	`1492`	`{`
`1493`	`1493`	`if (!PyUnicode_Check(str)) {`
`1494`		`- PyErr_Format(PyExc_TypeError, "expect str, not %T", str);`
	`1494`	`+ PyErr_Format(PyExc_TypeError, "expect str, not %s",`
	`1495`	`+ Py_TYPE(str)->tp_name);`
`1495`	`1496`	`return -1;`
`1496`	`1497`	`}`
`1497`	`1498`	`if (start < 0 \|\| start > end) {`