PyAPI: fast keyword parsing for bpy modules

No functional changes.

source/blender/python/intern/bpy_rna_id_collection.c

@@ -163,7 +163,6 @@ static PyObject *bpy_user_map(PyObject *UNUSED(self), PyObject *args, PyObject *
 	Main *bmain = G.main;  /* XXX Ugly, but should work! */
 #endif
 
-	static const char *kwlist[] = {"subset", "key_types", "value_types", NULL};
 	PyObject *subset = NULL;
 
 	PyObject *key_types = NULL;
@@ -173,9 +172,10 @@ static PyObject *bpy_user_map(PyObject *UNUSED(self), PyObject *args, PyObject *
 
 	PyObject *ret = NULL;
 
-
-	if (!PyArg_ParseTupleAndKeywords(
-	        args, kwds, "|O$O!O!:user_map", (char **)kwlist,
+	static const char *_keywords[] = {"subset", "key_types", "value_types", NULL};
+	static _PyArg_Parser _parser = {"|O$O!O!:user_map", _keywords, 0};
+	if (!_PyArg_ParseTupleAndKeywordsFast(
+	        args, kwds, &_parser,
 	        &subset,
 	        &PySet_Type, &key_types,
 	        &PySet_Type, &val_types))