Extend FreeCAD WebAssembly runtime support

src/Mod/PartDesign/WizardShaft/ShaftFeature.py

@@ -22,7 +22,11 @@
 # *                                                                            *
 # ******************************************************************************/
 
-import FreeCAD, FreeCADGui
+import FreeCAD
+if FreeCAD.GuiUp:
+    import FreeCADGui
+else:
+    FreeCADGui = None
 import Part, Sketcher
 
 
@@ -148,11 +152,13 @@ class ShaftFeature:
             self.feature.ReferenceAxis = (self.sketch, ["H_Axis"])
             self.feature.Angle = 360.0
             self.Doc.recompute()
-            self.Gui.hide("SketchShaft")
+            if self.Gui is not None:
+                self.Gui.getDocument(self.Doc.Name).getObject(self.sketch.Name).hide()
         else:
             self.Doc.recompute()
         # FIXME: Will give a warning in the console if the active window is not the feature
-        self.Gui.SendMsgToActiveView("ViewFit")
+        if self.Gui is not None:
+            self.Gui.SendMsgToActiveView("ViewFit")
 
     def updateSegment(self, segment, oldLength, length, diameter, innerdiameter):
         constrRadius = 4 + segment * 6