+ For MeshGui remove dependency to MeshPartGui when loading the workbench

src/Mod/Mesh/Gui/Command.cpp

@@ -448,6 +448,32 @@ bool CmdMeshFromGeometry::isActive(void)
     return getSelection().countObjectsOfType(App::GeoFeature::getClassTypeId()) >= 1;
 }
 
+//===========================================================================
+// Mesh_FromPart
+//===========================================================================
+DEF_STD_CMD_A(CmdMeshFromPartShape);
+
+CmdMeshFromPartShape::CmdMeshFromPartShape()
+  : Command("Mesh_FromPartShape")
+{
+    sAppModule    = "Mesh";
+    sGroup        = QT_TR_NOOP("Mesh");
+    sMenuText     = QT_TR_NOOP("Create mesh from shape...");
+    sToolTipText  = QT_TR_NOOP("Tessellate shape");
+    sWhatsThis    = sToolTipText;
+    sStatusTip    = sToolTipText;
+}
+
+void CmdMeshFromPartShape::activated(int iMsg)
+{
+    doCommand(Doc,"import MeshPartGui, FreeCADGui\nFreeCADGui.runCommand('MeshPart_Mesher')\n");
+}
+
+bool CmdMeshFromPartShape::isActive(void)
+{
+    return (hasActiveDocument() && !Gui::Control().activeDialog());
+}
+
 //--------------------------------------------------------------------------------------
 
 DEF_STD_CMD_A(CmdMeshVertexCurvature);
@@ -1542,5 +1568,6 @@ void CreateMeshCommands(void)
     rcCmdMgr.addCommand(new CmdMeshFillInteractiveHole());
     rcCmdMgr.addCommand(new CmdMeshRemoveCompByHand());
     rcCmdMgr.addCommand(new CmdMeshFromGeometry());
+    rcCmdMgr.addCommand(new CmdMeshFromPartShape());
     rcCmdMgr.addCommand(new CmdMeshSegmentation());
 }

src/Mod/Mesh/Gui/Workbench.cpp

@@ -185,7 +185,7 @@ Gui::MenuItem* Workbench::setupMenuBar() const
     *boolean << "Mesh_Union" << "Mesh_Intersection" << "Mesh_Difference";
  
     mesh->setCommand("&Meshes");
-    *mesh << "Mesh_Import" << "Mesh_Export" << "MeshPart_Mesher" << "Separator"
+    *mesh << "Mesh_Import" << "Mesh_Export" << "Mesh_FromPartShape" << "Separator"
           << analyze << "Mesh_HarmonizeNormals" << "Mesh_FlipNormals" << "Separator" 
           << "Mesh_FillupHoles" << "Mesh_FillInteractiveHole" << "Mesh_RemoveComponents"
           << "Mesh_RemoveCompByHand" << "Mesh_AddFacet" << "Mesh_Smoothing" << "Separator" 

src/Mod/Mesh/InitGui.py

@@ -69,10 +69,6 @@ class MeshWorkbench ( Workbench ):
 	def Initialize(self):
 		# load the module
 		import MeshGui
-		try:
-			import MeshPartGui
-		except:
-			pass
 	def GetClassName(self):
 		return "MeshGui::Workbench"