mirror of
https://github.com/IfcOpenShell/IfcOpenShell.git
synced 2026-08-10 17:58:20 +00:00
Dion Moult
64 lines
2.5 KiB
Python
64 lines
2.5 KiB
Python
# IfcOpenShell - IFC toolkit and geometry engine
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# Copyright (C) 2021 Dion Moult <dion@thinkmoult.com>
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#
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# This file is part of IfcOpenShell.
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#
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# IfcOpenShell is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Lesser General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# IfcOpenShell is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU Lesser General Public License for more details.
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#
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# You should have received a copy of the GNU Lesser General Public License
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# along with IfcOpenShell. If not, see <http://www.gnu.org/licenses/>.
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class Usecase:
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def __init__(self, file, classification=None):
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"""Removes an IfcClassification from the project and all references
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The classification and all of its relationships, children references,
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and relationships between objectse and child references are completely
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removed from a project.
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:param classification: The IfcClassification entity you want to remove
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:type classification: ifcopenshell.entity_instance.entity_instance
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:return: None
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:rtype: None
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Example:
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.. code:: python
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classification = model.by_type("IfcClassification")[0]
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ifcopenshell.api.run("classification.remove_classification", model,
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classification=classification)
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"""
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self.file = file
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self.settings = {"classification": classification}
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def execute(self):
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references = self.get_references(self.settings["classification"])
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for reference in references:
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self.file.remove(reference)
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self.file.remove(self.settings["classification"])
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for rel in self.file.by_type("IfcRelAssociatesClassification"):
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if not rel.RelatingClassification:
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self.file.remove(rel)
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for rel in self.file.by_type("IfcExternalReferenceRelationship"):
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if not rel.RelatingReference:
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self.file.remove(rel)
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def get_references(self, classification):
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results = []
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if not classification.HasReferences:
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return results
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for reference in classification.HasReferences:
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results.append(reference)
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results.extend(self.get_references(reference))
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return results
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