IfcOpenShell/src/ifcopenshell-python/ifcopenshell/api/root/create_product.py

import ifcopenshell
from ifcopenshell.api.owner.api import create_owner_history


class Usecase:
    def __init__(self, file, settings={}):
        self.file = file
        self.settings = {
            "ifc_class": "IfcBuildingElementProxy",
            "predefined_type": None,
            "name": None,
        }
        for key, value in settings.items():
            self.settings[key] = value

    def execute(self):
        element = self.file.create_entity(self.settings["ifc_class"], **{
            "GlobalId": ifcopenshell.guid.new(),
            "OwnerHistory": create_owner_history()
        })
        element.Name = self.settings["name"] or None
        if self.settings["predefined_type"]:
            if hasattr(element, "PredefinedType"):
                try:
                    element.PredefinedType = self.settings["predefined_type"]
                except:
                    element.PredefinedType = "USERDEFINED"
                    element.ObjectType = self.settings["predefined_type"]
            elif hasattr(element, "ObjectType"):
                element.ObjectType = self.settings["predefined_type"]
        return element