prevent the dict constructor from accepting non-string keyword args #8419
This adds PyArg_ValidateKeywordArguments, which checks that keyword arguments
are all strings, using an optimized method if possible.
diff --git a/Doc/c-api/arg.rst b/Doc/c-api/arg.rst
index fc4b941..a4e5555 100644
--- a/Doc/c-api/arg.rst
+++ b/Doc/c-api/arg.rst
@@ -366,6 +366,13 @@
va_list rather than a variable number of arguments.
+.. cfunction:: int PyArg_ValidateKeywordArguments(PyObject *)
+
+ Ensure that the keys in the keywords argument dictionary are strings. This
+ is only needed if :cfunc:`PyArg_ParseTupleAndKeywords` is not used, since the
+ latter already does this check.
+
+
.. XXX deprecated, will be removed
.. cfunction:: int PyArg_Parse(PyObject *args, const char *format, ...)