from bpy.types import Node from arm.logicnode.arm_nodes import * class IsNoneNode(ArmLogicTreeNode): """Is none node""" bl_idname = 'LNIsNoneNode' bl_label = 'Is None' bl_icon = 'NONE' def init(self, context): self.inputs.new('ArmNodeSocketAction', 'In') self.inputs.new('NodeSocketShader', 'Value') self.outputs.new('ArmNodeSocketAction', 'Out') add_node(IsNoneNode, category=MODULE_AS_CATEGORY)