1 files changed, 41 insertions, 2 deletions
diff --git a/Python/clinic/Python-tokenize.c.h b/Python/clinic/Python-tokenize.c.h
index 050b4d4944..61bf291551 100644
--- a/Python/clinic/Python-tokenize.c.h
+++ b/Python/clinic/Python-tokenize.c.h
@@ -2,6 +2,12 @@
 preserve
 [clinic start generated code]*/
 
+#if defined(Py_BUILD_CORE) && !defined(Py_BUILD_CORE_MODULE)
+#  include "pycore_gc.h"            // PyGC_Head
+#  include "pycore_runtime.h"       // _Py_ID()
+#endif
+
+
 static PyObject *
 tokenizeriter_new_impl(PyTypeObject *type, const char *source);
 
@@ -9,8 +15,41 @@ static PyObject *
 tokenizeriter_new(PyTypeObject *type, PyObject *args, PyObject *kwargs)
 {
     PyObject *return_value = NULL;
+    #define NUM_KEYWORDS 1
+    #if NUM_KEYWORDS == 0
+
+    #  if defined(Py_BUILD_CORE) && !defined(Py_BUILD_CORE_MODULE)
+    #    define KWTUPLE (PyObject *)&_Py_SINGLETON(tuple_empty)
+    #  else
+    #    define KWTUPLE NULL
+    #  endif
+
+    #else  // NUM_KEYWORDS != 0
+    #  if defined(Py_BUILD_CORE) && !defined(Py_BUILD_CORE_MODULE)
+
+    static struct {
+        PyGC_Head _this_is_not_used;
+        PyObject_VAR_HEAD
+        PyObject *ob_item[NUM_KEYWORDS];
+    } _kwtuple = {
+        .ob_base = PyVarObject_HEAD_INIT(&PyTuple_Type, NUM_KEYWORDS)
+        .ob_item = { &_Py_ID(source), },
+    };
+    #  define KWTUPLE (&_kwtuple.ob_base.ob_base)
+
+    #  else  // !Py_BUILD_CORE
+    #    define KWTUPLE NULL
+    #  endif  // !Py_BUILD_CORE
+    #endif  // NUM_KEYWORDS != 0
+    #undef NUM_KEYWORDS
+
     static const char * const _keywords[] = {"source", NULL};
-    static _PyArg_Parser _parser = {NULL, _keywords, "tokenizeriter", 0};
+    static _PyArg_Parser _parser = {
+        .keywords = _keywords,
+        .fname = "tokenizeriter",
+        .kwtuple = KWTUPLE,
+    };
+    #undef KWTUPLE
     PyObject *argsbuf[1];
     PyObject * const *fastargs;
     Py_ssize_t nargs = PyTuple_GET_SIZE(args);
@@ -38,4 +77,4 @@ tokenizeriter_new(PyTypeObject *type, PyObject *args, PyObject *kwargs)
 exit:
     return return_value;
 }
-/*[clinic end generated code: output=dfcd64774e01bfe6 input=a9049054013a1b77]*/
+/*[clinic end generated code: output=5664c98597aec79e input=a9049054013a1b77]*/