Files
IfcOpenShell/src/ifcopenshell-python/ifcopenshell/api/pset/remove_pset.py
T
Andrej730 19345ff538 Remove orphaned IfcPropertyEnumeration
Noticed a couple hundreds of orphaned IfcPropertyEnumeration in my .ifc like below 😁

IFCPROPERTYENUMERATION('Status',(IFCLABEL('NEW'),IFCLABEL('EXISTING'),IFCLABEL('DEMOLISH'),IFCLABEL('TEMPORARY'),IFCLABEL('OTHER'),IFCLABEL('NOTKNOWN'),IFCLABEL('UNSET')),$);
2023-09-18 12:08:16 +05:00

78 lines
3.4 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, pset=None):
"""Removes a property set from a product
All properties that are part of this property set are also removed.
:param product: The IfcObject to remove the property set from.
:type product: ifcopenshell.entity_instance.entity_instance
:param pset: The IfcPropertySet or IfcElementQuantity to remove.
:type pset: ifcopenshell.entity_instance.entity_instance
:return: None
:rtype: None
Example:
.. code:: python
# Let's imagine we have a new wall type with a property set.
wall_type = ifcopenshell.api.run("root.create_entity", model, ifc_class="IfcWallType")
pset = ifcopenshell.api.run("pset.add_pset", model, product=wall_type, name="Pset_WallCommon")
# Remove it!
ifcopenshell.api.run("pset.remove_pset", model, product=wall_type, pset=pset)
"""
self.file = file
self.settings = {"product": product, "pset": pset}
def execute(self):
to_purge = []
should_remove_pset = True
for inverse in self.file.get_inverse(self.settings["pset"]):
if inverse.is_a("IfcRelDefinesByProperties"):
if not inverse.RelatedObjects or len(inverse.RelatedObjects) == 1:
to_purge.append(inverse)
else:
related_objects = list(inverse.RelatedObjects)
related_objects.remove(self.settings["product"])
inverse.RelatedObjects = related_objects
should_remove_pset = False
if should_remove_pset:
properties = [] # Predefined psets have no properties
if self.settings["pset"].is_a("IfcPropertySet"):
properties = self.settings["pset"].HasProperties or []
elif self.settings["pset"].is_a("IfcQuantitySet"):
properties = self.settings["pset"].Quantities or []
elif self.settings["pset"].is_a() in ("IfcMaterialProperties", "IfcProfileProperties"):
properties = self.settings["pset"].Properties or []
for prop in properties:
if self.file.get_total_inverses(prop) != 1:
continue
if prop.is_a("IfcPropertyEnumeratedValue"):
enumeration = prop.EnumerationReference
if self.file.get_total_inverses(enumeration) == 1:
self.file.remove(enumeration)
self.file.remove(prop)
self.file.remove(self.settings["pset"])
for element in to_purge:
self.file.remove(element)