use ghash for operator and menu types, was doing string lookup in the operator list (containing over 1000 items) for each button draw.

gives small speedup for UI drawing and overall startup time.

source/blender/python/intern/bpy_operator.c

@@ -52,6 +52,9 @@
 #include "WM_types.h"
 
 #include "MEM_guardedalloc.h"
+
+#include "BLI_ghash.h"
+
 #include "BKE_report.h"
 #include "BKE_context.h"
 
@@ -359,15 +362,18 @@ static PyObject *pyop_as_string(PyObject *UNUSED(self), PyObject *args)
 
 static PyObject *pyop_dir(PyObject *UNUSED(self))
 {
+	GHashIterator *iter= WM_operatortype_iter();
 	PyObject *list= PyList_New(0), *name;
-	wmOperatorType *ot;
-	
-	for(ot= WM_operatortype_first(); ot; ot= ot->next) {
+
+	for( ; !BLI_ghashIterator_isDone(iter); BLI_ghashIterator_step(iter)) {
+		wmOperatorType *ot= BLI_ghashIterator_getValue(iter);
+
 		name= PyUnicode_FromString(ot->idname);
 		PyList_Append(list, name);
 		Py_DECREF(name);
 	}
-	
+	BLI_ghashIterator_free(iter);
+
 	return list;
 }