Files
IfcOpenShell/src/ifcopenshell-python/ifcopenshell/api/constraint/unassign_constraint.py
T
2022-11-16 08:57:25 +09:00

44 lines
1.7 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/>.
class Usecase:
def __init__(self, file, product=None, constraint=None):
"""Unassigns a constraint to a product
The constraint will not be deleted and is available to be assigned to
other products.
:param product: The product the constraint applies to.
:type product: ifcopenshell.entity_instance.entity_instance
:param constraint: The IfcObjective constraint
:type constraint: ifcopenshell.entity_instance.entity_instance
:return: None
:rtype: None
"""
self.file = file
self.settings = {
"product": product,
"constraint": constraint,
}
def execute(self):
for rel in self.settings["product"].HasAssociations:
if rel.is_a("IfcRelAssociatesConstraint") and rel.RelatingConstraint == self.settings["constraint"]:
self.file.remove(rel)