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Python: Add Submenu



The 2019 Stack Overflow Developer Survey Results Are InAdd uv_layer to mesh, add uv-coords, with pythonHow to create toggle buttons in blender GUI from dynamic list of items?How to add a driver via python?Add a group instance with pythonPython: add object, then change propertiesCopying blender log to a scriptadd parameters (Grid, Random…) with pythonAdd camera moving along curve in PythonHow can I get the id name of a submenu?How to add a new item to the Mesh submenu of the Add Menu in this script?



.everyoneloves__top-leaderboard:empty,.everyoneloves__mid-leaderboard:empty,.everyoneloves__bot-mid-leaderboard:empty margin-bottom:0;








2












$begingroup$


I am creating a simple add-on in Blender. Initially I tested the code in Python console, then I wrapped it in an operator and added it to Object menu, it worked well:



class MyOperator(bpy.types.Operator):
bl_idname = 'object.MyOperator'
bl_label = 'MyOperator'
bl_options = 'REGISTER', 'UNDO'

def execute(self, context):
# ...affairs...
return 'FINISHED'


def task_func(self, context):
self.layout.operator(MyOperator.bl_idname)


def register():
bpy.utils.register_class(MyOperator)
bpy.types.VIEW3D_MT_object.append(task_func)


But now I need to add several operators and a submenu. I tried this example, and but it is not working:



class MyMenu(bpy.types.Menu):
bl_idname = 'object.MyMenu'
bl_label = 'MyMenu'

def draw(self, context):
layout = self.layout
layout.operator(MyMenu.bl_idname, text=MyMenu.bl_label)


def menu_func(self, context):
# None of these is working :(
self.layout.call_menu(name=MyMenu.bl_idname)
self.layout.menu(MyMenu.bl_idname)


def register():
bpy.utils.register_class(MyOperator)
bpy.types.VIEW3D_MT_object.append(menu_func)


So, what's the problem about? How can I solve it?










share|improve this question











$endgroup$


















    2












    $begingroup$


    I am creating a simple add-on in Blender. Initially I tested the code in Python console, then I wrapped it in an operator and added it to Object menu, it worked well:



    class MyOperator(bpy.types.Operator):
    bl_idname = 'object.MyOperator'
    bl_label = 'MyOperator'
    bl_options = 'REGISTER', 'UNDO'

    def execute(self, context):
    # ...affairs...
    return 'FINISHED'


    def task_func(self, context):
    self.layout.operator(MyOperator.bl_idname)


    def register():
    bpy.utils.register_class(MyOperator)
    bpy.types.VIEW3D_MT_object.append(task_func)


    But now I need to add several operators and a submenu. I tried this example, and but it is not working:



    class MyMenu(bpy.types.Menu):
    bl_idname = 'object.MyMenu'
    bl_label = 'MyMenu'

    def draw(self, context):
    layout = self.layout
    layout.operator(MyMenu.bl_idname, text=MyMenu.bl_label)


    def menu_func(self, context):
    # None of these is working :(
    self.layout.call_menu(name=MyMenu.bl_idname)
    self.layout.menu(MyMenu.bl_idname)


    def register():
    bpy.utils.register_class(MyOperator)
    bpy.types.VIEW3D_MT_object.append(menu_func)


    So, what's the problem about? How can I solve it?










    share|improve this question











    $endgroup$














      2












      2








      2





      $begingroup$


      I am creating a simple add-on in Blender. Initially I tested the code in Python console, then I wrapped it in an operator and added it to Object menu, it worked well:



      class MyOperator(bpy.types.Operator):
      bl_idname = 'object.MyOperator'
      bl_label = 'MyOperator'
      bl_options = 'REGISTER', 'UNDO'

      def execute(self, context):
      # ...affairs...
      return 'FINISHED'


      def task_func(self, context):
      self.layout.operator(MyOperator.bl_idname)


      def register():
      bpy.utils.register_class(MyOperator)
      bpy.types.VIEW3D_MT_object.append(task_func)


      But now I need to add several operators and a submenu. I tried this example, and but it is not working:



      class MyMenu(bpy.types.Menu):
      bl_idname = 'object.MyMenu'
      bl_label = 'MyMenu'

      def draw(self, context):
      layout = self.layout
      layout.operator(MyMenu.bl_idname, text=MyMenu.bl_label)


      def menu_func(self, context):
      # None of these is working :(
      self.layout.call_menu(name=MyMenu.bl_idname)
      self.layout.menu(MyMenu.bl_idname)


      def register():
      bpy.utils.register_class(MyOperator)
      bpy.types.VIEW3D_MT_object.append(menu_func)


      So, what's the problem about? How can I solve it?










      share|improve this question











      $endgroup$




      I am creating a simple add-on in Blender. Initially I tested the code in Python console, then I wrapped it in an operator and added it to Object menu, it worked well:



      class MyOperator(bpy.types.Operator):
      bl_idname = 'object.MyOperator'
      bl_label = 'MyOperator'
      bl_options = 'REGISTER', 'UNDO'

      def execute(self, context):
      # ...affairs...
      return 'FINISHED'


      def task_func(self, context):
      self.layout.operator(MyOperator.bl_idname)


      def register():
      bpy.utils.register_class(MyOperator)
      bpy.types.VIEW3D_MT_object.append(task_func)


      But now I need to add several operators and a submenu. I tried this example, and but it is not working:



      class MyMenu(bpy.types.Menu):
      bl_idname = 'object.MyMenu'
      bl_label = 'MyMenu'

      def draw(self, context):
      layout = self.layout
      layout.operator(MyMenu.bl_idname, text=MyMenu.bl_label)


      def menu_func(self, context):
      # None of these is working :(
      self.layout.call_menu(name=MyMenu.bl_idname)
      self.layout.menu(MyMenu.bl_idname)


      def register():
      bpy.utils.register_class(MyOperator)
      bpy.types.VIEW3D_MT_object.append(menu_func)


      So, what's the problem about? How can I solve it?







      python






      share|improve this question















      share|improve this question













      share|improve this question




      share|improve this question








      edited 2 days ago









      metaphor_set

      4,5901721




      4,5901721










      asked 2 days ago









      AivanF.AivanF.

      1647




      1647




















          1 Answer
          1






          active

          oldest

          votes


















          2












          $begingroup$

          There were a number of issues. From not registering menu class and having invalid bl_idname's (no capital letters)



          Here is working code. In 2.8 it is a requirement that class names reflect the bl_idname.



          import bpy

          class OBJECT_OT_myoperator(bpy.types.Operator):
          bl_idname = 'object.myoperator'
          bl_label = 'MyOperator'
          bl_options = 'REGISTER', 'UNDO'

          def execute(self, context):
          # ...affairs...
          return 'FINISHED'

          class OBJECT_MT_mymenu(bpy.types.Menu):
          bl_idname = 'object.mymenu'
          bl_label = 'MyMenu'

          def draw(self, context):
          layout = self.layout
          layout.operator(OBJECT_OT_myoperator.bl_idname)

          def menu_func(self, context):
          self.layout.menu(OBJECT_MT_mymenu.bl_idname)

          def register():
          bpy.utils.register_class(OBJECT_OT_myoperator)
          bpy.utils.register_class(OBJECT_MT_mymenu)
          bpy.types.VIEW3D_MT_object.append(menu_func)

          def unregister():
          bpy.utils.unregister_class(OBJECT_OT_myooperator)
          bpy.utils.unregister_class(OBJECT_MT_mymenu)
          bpy.types.VIEW3D_MT_object.remove(menu_func)

          if __name__ == "__main__":
          register()





          share|improve this answer











          $endgroup$













            Your Answer





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            1 Answer
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            oldest

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            1 Answer
            1






            active

            oldest

            votes









            active

            oldest

            votes






            active

            oldest

            votes









            2












            $begingroup$

            There were a number of issues. From not registering menu class and having invalid bl_idname's (no capital letters)



            Here is working code. In 2.8 it is a requirement that class names reflect the bl_idname.



            import bpy

            class OBJECT_OT_myoperator(bpy.types.Operator):
            bl_idname = 'object.myoperator'
            bl_label = 'MyOperator'
            bl_options = 'REGISTER', 'UNDO'

            def execute(self, context):
            # ...affairs...
            return 'FINISHED'

            class OBJECT_MT_mymenu(bpy.types.Menu):
            bl_idname = 'object.mymenu'
            bl_label = 'MyMenu'

            def draw(self, context):
            layout = self.layout
            layout.operator(OBJECT_OT_myoperator.bl_idname)

            def menu_func(self, context):
            self.layout.menu(OBJECT_MT_mymenu.bl_idname)

            def register():
            bpy.utils.register_class(OBJECT_OT_myoperator)
            bpy.utils.register_class(OBJECT_MT_mymenu)
            bpy.types.VIEW3D_MT_object.append(menu_func)

            def unregister():
            bpy.utils.unregister_class(OBJECT_OT_myooperator)
            bpy.utils.unregister_class(OBJECT_MT_mymenu)
            bpy.types.VIEW3D_MT_object.remove(menu_func)

            if __name__ == "__main__":
            register()





            share|improve this answer











            $endgroup$

















              2












              $begingroup$

              There were a number of issues. From not registering menu class and having invalid bl_idname's (no capital letters)



              Here is working code. In 2.8 it is a requirement that class names reflect the bl_idname.



              import bpy

              class OBJECT_OT_myoperator(bpy.types.Operator):
              bl_idname = 'object.myoperator'
              bl_label = 'MyOperator'
              bl_options = 'REGISTER', 'UNDO'

              def execute(self, context):
              # ...affairs...
              return 'FINISHED'

              class OBJECT_MT_mymenu(bpy.types.Menu):
              bl_idname = 'object.mymenu'
              bl_label = 'MyMenu'

              def draw(self, context):
              layout = self.layout
              layout.operator(OBJECT_OT_myoperator.bl_idname)

              def menu_func(self, context):
              self.layout.menu(OBJECT_MT_mymenu.bl_idname)

              def register():
              bpy.utils.register_class(OBJECT_OT_myoperator)
              bpy.utils.register_class(OBJECT_MT_mymenu)
              bpy.types.VIEW3D_MT_object.append(menu_func)

              def unregister():
              bpy.utils.unregister_class(OBJECT_OT_myooperator)
              bpy.utils.unregister_class(OBJECT_MT_mymenu)
              bpy.types.VIEW3D_MT_object.remove(menu_func)

              if __name__ == "__main__":
              register()





              share|improve this answer











              $endgroup$















                2












                2








                2





                $begingroup$

                There were a number of issues. From not registering menu class and having invalid bl_idname's (no capital letters)



                Here is working code. In 2.8 it is a requirement that class names reflect the bl_idname.



                import bpy

                class OBJECT_OT_myoperator(bpy.types.Operator):
                bl_idname = 'object.myoperator'
                bl_label = 'MyOperator'
                bl_options = 'REGISTER', 'UNDO'

                def execute(self, context):
                # ...affairs...
                return 'FINISHED'

                class OBJECT_MT_mymenu(bpy.types.Menu):
                bl_idname = 'object.mymenu'
                bl_label = 'MyMenu'

                def draw(self, context):
                layout = self.layout
                layout.operator(OBJECT_OT_myoperator.bl_idname)

                def menu_func(self, context):
                self.layout.menu(OBJECT_MT_mymenu.bl_idname)

                def register():
                bpy.utils.register_class(OBJECT_OT_myoperator)
                bpy.utils.register_class(OBJECT_MT_mymenu)
                bpy.types.VIEW3D_MT_object.append(menu_func)

                def unregister():
                bpy.utils.unregister_class(OBJECT_OT_myooperator)
                bpy.utils.unregister_class(OBJECT_MT_mymenu)
                bpy.types.VIEW3D_MT_object.remove(menu_func)

                if __name__ == "__main__":
                register()





                share|improve this answer











                $endgroup$



                There were a number of issues. From not registering menu class and having invalid bl_idname's (no capital letters)



                Here is working code. In 2.8 it is a requirement that class names reflect the bl_idname.



                import bpy

                class OBJECT_OT_myoperator(bpy.types.Operator):
                bl_idname = 'object.myoperator'
                bl_label = 'MyOperator'
                bl_options = 'REGISTER', 'UNDO'

                def execute(self, context):
                # ...affairs...
                return 'FINISHED'

                class OBJECT_MT_mymenu(bpy.types.Menu):
                bl_idname = 'object.mymenu'
                bl_label = 'MyMenu'

                def draw(self, context):
                layout = self.layout
                layout.operator(OBJECT_OT_myoperator.bl_idname)

                def menu_func(self, context):
                self.layout.menu(OBJECT_MT_mymenu.bl_idname)

                def register():
                bpy.utils.register_class(OBJECT_OT_myoperator)
                bpy.utils.register_class(OBJECT_MT_mymenu)
                bpy.types.VIEW3D_MT_object.append(menu_func)

                def unregister():
                bpy.utils.unregister_class(OBJECT_OT_myooperator)
                bpy.utils.unregister_class(OBJECT_MT_mymenu)
                bpy.types.VIEW3D_MT_object.remove(menu_func)

                if __name__ == "__main__":
                register()






                share|improve this answer














                share|improve this answer



                share|improve this answer








                edited 2 days ago









                AivanF.

                1647




                1647










                answered 2 days ago









                batFINGERbatFINGER

                26.8k52977




                26.8k52977



























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