From bd127a01eec2b53af787a3c9e032bd0594c5e531 Mon Sep 17 00:00:00 2001
From: ahgamut <41098605+ahgamut@users.noreply.github.com>
Date: Thu, 4 Nov 2021 23:29:46 +0530
Subject: [PATCH] Add _PyArg_NoStackKeywords

refer python/cpython@29d39cc8f50
---
 third_party/python/Include/modsupport.h |  3 ++-
 third_party/python/Python/getargs.c     | 25 +++++++++++++++++++++----
 2 files changed, 23 insertions(+), 5 deletions(-)

diff --git a/third_party/python/Include/modsupport.h b/third_party/python/Include/modsupport.h
index 94db636bb..eda039bef 100644
--- a/third_party/python/Include/modsupport.h
+++ b/third_party/python/Include/modsupport.h
@@ -47,7 +47,8 @@ PyObject * Py_BuildValue(const char *, ...);
 PyObject * _Py_BuildValue_SizeT(const char *, ...);
 
 #ifndef Py_LIMITED_API
-int _PyArg_NoKeywords(const char *funcname, PyObject *kw);
+int _PyArg_NoKeywords(const char *funcname, PyObject *kwargs);
+int _PyArg_NoStackKeywords(const char *funcname, PyObject *kwnames);
 int _PyArg_NoPositional(const char *funcname, PyObject *args);
 #endif
 PyObject * Py_VaBuildValue(const char *, va_list);
diff --git a/third_party/python/Python/getargs.c b/third_party/python/Python/getargs.c
index 0a8e81157..e0983c2bb 100644
--- a/third_party/python/Python/getargs.c
+++ b/third_party/python/Python/getargs.c
@@ -2367,16 +2367,33 @@ PyArg_UnpackTuple(PyObject *args, const char *name, Py_ssize_t min, Py_ssize_t m
  * not empty, returns 1 otherwise
  */
 int
-_PyArg_NoKeywords(const char *funcname, PyObject *kw)
+_PyArg_NoKeywords(const char *funcname, PyObject *kwargs)
 {
-    if (kw == NULL)
+    if (kwargs == NULL)
         return 1;
-    if (!PyDict_CheckExact(kw)) {
+    if (!PyDict_CheckExact(kwargs)) {
         PyErr_BadInternalCall();
         return 0;
     }
-    if (PyDict_Size(kw) == 0)
+    if (PyDict_GET_SIZE(kwargs) == 0) {
         return 1;
+    }
+
+    PyErr_Format(PyExc_TypeError, "%s does not take keyword arguments",
+                    funcname);
+    return 0;
+}
+
+int
+_PyArg_NoStackKeywords(const char *funcname, PyObject *kwnames)
+{
+    if (kwnames == NULL)
+        return 1;
+    assert(PyTuple_CheckExact(kwnames));
+    if (PyTuple_GET_SIZE(kwnames) == 0) {
+        return 1;
+    }
+
     PyErr_Format(PyExc_TypeError, "%s does not take keyword arguments",
                     funcname);
     return 0;