mirror of
https://github.com/IfcOpenShell/IfcOpenShell.git
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Dion Moult
53 lines
1.7 KiB
Python
53 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.util.element
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def get_references(element, should_inherit=True):
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results = set()
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if should_inherit:
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element_type = ifcopenshell.util.element.get_type(element)
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if element_type and element_type != element:
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results.update(get_references(element_type))
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results.update(
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{
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r.RelatingClassification
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for r in getattr(element, "HasAssociations", [])
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if r.is_a("IfcRelAssociatesClassification")
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}
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)
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return results
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def get_classification(reference):
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if reference.is_a("IfcClassification"):
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return reference
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return get_classification(reference.ReferencedSource)
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def get_inherited_references(reference):
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results = []
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while True:
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if not reference or reference.is_a("IfcClassification"):
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break
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results.append(reference)
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reference = reference.ReferencedSource
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return results
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