IfcOpenShell/src/ifcsverchok/nodes/ifc/add.py

import bpy
import ifcopenshell
import ifcsverchok.helper
from bpy.props import StringProperty
from sverchok.node_tree import SverchCustomTreeNode
from sverchok.data_structure import updateNode


class SvIfcAdd(bpy.types.Node, SverchCustomTreeNode, ifcsverchok.helper.SvIfcCore):
    bl_idname = "SvIfcAdd"
    bl_label = "IFC Add"
    file: StringProperty(name="file", update=updateNode)
    entity: StringProperty(name="entity", update=updateNode)

    def sv_init(self, context):
        self.inputs.new("SvStringsSocket", "file").prop_name = "file"
        self.inputs.new("SvStringsSocket", "entity").prop_name = "entity"
        self.outputs.new("SvStringsSocket", "file")
        self.outputs.new("SvStringsSocket", "entity")

    def process(self):
        self.sv_input_names = ["file", "entity"]
        self.file_out = []
        self.entity_out = []
        super().process()
        self.outputs["file"].sv_set([self.file_out])
        self.outputs["entity"].sv_set([self.entity_out])

    def process_ifc(self, file, entity):
        self.entity_out.append(file.add(entity))
        self.file_out.append(file)


def register():
    bpy.utils.register_class(SvIfcAdd)


def unregister():
    bpy.utils.unregister_class(SvIfcAdd)