py3: Part: Gui: gathering commits from python3-branch

src/Mod/Part/Gui/AppPartGui.cpp

@@ -122,8 +122,14 @@ PyMOD_INIT_FUNC(PartGui)
 
     Base::Console().Log("Loading GUI of Part module... done\n");
 
+#if PY_MAJOR_VERSION >= 3
+    static struct PyModuleDef pAttachEngineTextsModuleDef = {PyModuleDef_HEAD_INIT,"AttachEngineResources", "AttachEngineResources", -1, 0};
+    PyObject* pAttachEngineTextsModule = PyModule_Create(&pAttachEngineTextsModuleDef);
+#else
     PyObject* pAttachEngineTextsModule = Py_InitModule3("AttachEngineResources", AttacherGui::AttacherGuiPy::Methods,
         "AttachEngine Gui resources");
+#endif
+
     Py_INCREF(pAttachEngineTextsModule);
     PyModule_AddObject(partGuiModule, "AttachEngineResources", pAttachEngineTextsModule);