import bpy def main(operator, context): space = context.space_data node_tree = space.node_tree node_active = context.active_node node_selected = context.selected_nodes # now we have the context, perform a simple operation if node_active in node_selected: node_selected.remove(node_active) if len(node_selected) != 1: operator.report({'ERROR'}, "2 nodes must be selected") return node_other, = node_selected # now we have 2 nodes to operate on if not node_active.inputs: operator.report({'ERROR'}, "Active node has no inputs") return if not node_other.outputs: operator.report({'ERROR'}, "Selected node has no outputs") return socket_in = node_active.inputs[0] socket_out = node_other.outputs[0] # add a link between the two nodes node_link = node_tree.links.new(socket_in, socket_out) class NodeOperator(bpy.types.Operator): """Tooltip""" bl_idname = "node.simple_operator" bl_label = "Simple Node Operator" @classmethod def poll(cls, context): space = context.space_data return space.type == 'NODE_EDITOR' def execute(self, context): main(self, context) return {'FINISHED'} def register(): bpy.utils.register_class(NodeOperator) def unregister(): bpy.utils.unregister_class(NodeOperator) if __name__ == "__main__": register()