import ifcopenshell
import ifcopenshell.api

ifcFilePath = r"C:\Users\sbe\Documents\IFC\MVP.ifc"
ifcFile = ifcopenshell.open(ifcFilePath)
cube1, cube2 = ifcFile.by_type("IfcActuator")

cube1Shape = cube1.Representation.Representations[0].Items[0]
cube2Shape = cube2.Representation.Representations[0].Items[0]

booleanResult = ifcFile.createIfcBooleanResult(Operator="INTERSECTION", FirstOperand=cube1Shape, SecondOperand=cube2Shape)
context = ifcFile.by_type("IfcGeometricRepresentationContext")[0]
storey = ifcFile.by_type("IfcBuildingStorey")[0]
origin = ifcFile.createIfcAxis2Placement3D(ifcFile.createIfcCartesianPoint((0.0, 0.0, 0.0)), ifcFile.createIfcDirection((0.0, 0.0, 1.0)), ifcFile.createIfcDirection((1.0, 0.0, 0.0)),)
placement = ifcFile.createIfcLocalPlacement(None, origin)
road = ifcopenshell.api.run('root.create_entity', ifcFile, ifc_class = 'IfcWall')
road.Name = "MY NEW ROAD SEGMENT!"; road.ObjectPlacement = placement
shapeRepresentation = ifcFile.create_entity('IfcShapeRepresentation', ContextOfItems = context, RepresentationIdentifier = 'Body', RepresentationType = 'CSG', Items = [booleanResult])
ifcopenshell.api.run('geometry.assign_representation', ifcFile, product = road, representation = shapeRepresentation)


ifcFile.write("".join(ifcFilePath.split('.')[:-1])+"_new.ifc")