71 lines
2.4 KiB
Python
71 lines
2.4 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.api.document
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import ifcopenshell.util.element
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def remove_information(file: ifcopenshell.file, information: ifcopenshell.entity_instance) -> None:
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"""Removes a document information
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All references and associations are also removed.
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:param information: The IfcDocumentInformation to remove
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:return: None
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Example:
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.. code:: python
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# Add a document
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document = ifcopenshell.api.document.add_information(model)
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# ... and remove it!
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ifcopenshell.api.document.remove_information(model, information=document)
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"""
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if file.schema == "IFC2X3":
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references = information.DocumentReferences or []
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else:
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references = information.HasDocumentReferences
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for reference in references:
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ifcopenshell.api.document.remove_reference(file, reference=reference)
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for rel in information.IsPointer or []:
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for info in rel.RelatedDocuments:
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ifcopenshell.api.document.remove_information(file, information=info)
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for rel in information.IsPointedTo or []:
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if rel.RelatedDocuments == (information,):
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# This relationship is non-rooted
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file.remove(rel)
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if file.schema == "IFC2X3":
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rels = [r for r in file.by_type("IfcRelAssociatesDocument") if r.RelatingDocument == information]
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else:
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rels = information.DocumentInfoForObjects
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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(information)
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