51 lines
1.7 KiB
Python
51 lines
1.7 KiB
Python
# IfcOpenShell - IFC toolkit and geometry engine
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# Copyright (C) 2022 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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import ifcopenshell
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import ifcopenshell.util.element
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def remove_reference(file: ifcopenshell.file, reference: ifcopenshell.entity_instance) -> None:
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"""Remove a document reference
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All associations with objects are removed.
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:param reference: The IfcDocumentReference to remove
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:return: None
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Example:
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.. code:: python
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document = ifcopenshell.api.document.add_information(model)
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reference = ifcopenshell.api.document.add_reference(model, information=document)
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ifcopenshell.api.document.remove_reference(model, reference=reference)
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"""
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if file.schema == "IFC2X3":
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rels = [r for r in file.get_inverse(reference) if r.is_a("IfcRelAssociatesDocument")]
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else:
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rels = reference.DocumentRefForObjects
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for rel in rels:
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history = rel.OwnerHistory
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file.remove(rel)
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if history:
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ifcopenshell.util.element.remove_deep2(file, history)
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file.remove(reference)
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