Files
2026-05-31 10:17:09 +07:00

64 lines
2.5 KiB
Python

# IfcOpenShell - IFC toolkit and geometry engine
# Copyright (C) 2021 Dion Moult <dion@thinkmoult.com>
#
# This file is part of IfcOpenShell.
#
# IfcOpenShell is free software: you can redistribute it and/or modify
# it under the terms of the GNU Lesser General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# IfcOpenShell is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public License
# along with IfcOpenShell. If not, see <http://www.gnu.org/licenses/>.
import ifcopenshell
import ifcopenshell.api.cost
import ifcopenshell.util.element
def remove_cost_item(file: ifcopenshell.file, cost_item: ifcopenshell.entity_instance) -> None:
"""Removes a cost item
All associated relationships with the cost item are also removed,
however the related resources, products, and tasks themselves are
retained.
:param cost_item: The IfcCostItem entity you want to remove
:return: None
Example:
.. code:: python
schedule = ifcopenshell.api.cost.add_cost_schedule(model)
item = ifcopenshell.api.cost.add_cost_item(model, cost_schedule=schedule)
ifcopenshell.api.cost.remove_cost_item(model, cost_item=item)
"""
# TODO: do a deep purge
for inverse in file.get_inverse(cost_item):
if inverse.is_a("IfcRelNests"):
if inverse.RelatingObject == cost_item:
for related_object in inverse.RelatedObjects:
ifcopenshell.api.cost.remove_cost_item(file, cost_item=related_object)
elif inverse.RelatedObjects == (cost_item,):
history = inverse.OwnerHistory
file.remove(inverse)
if history:
ifcopenshell.util.element.remove_deep2(file, history)
elif inverse.is_a("IfcRelAssignsToControl"):
if len(inverse.RelatedObjects) >= 2 or inverse.RelatingControl == cost_item:
continue
history = inverse.OwnerHistory
file.remove(inverse)
if history:
ifcopenshell.util.element.remove_deep2(file, history)
history = cost_item.OwnerHistory
file.remove(cost_item)
if history:
ifcopenshell.util.element.remove_deep2(file, history)