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Dion Moult
52 lines
2.1 KiB
Python
52 lines
2.1 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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import ifcopenshell
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import ifcopenshell.api
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class Usecase:
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def __init__(self, file, product=None, structural_analysis_model=None):
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"""Removes a relationship between a structural element and the analysis model
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:param product: The structural element that is part of the analysis.
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:type product: ifcopenshell.entity_instance.entity_instance
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:param structural_analysis_model: The IfcStructuralAnalysisModel that
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the structural element is related to.
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:type structural_analysis_model: ifcopenshell.entity_instance.entity_instance
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:return: None
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:rtype: None
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"""
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self.file = file
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self.settings = {
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"product": product,
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"structural_analysis_model": structural_analysis_model,
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}
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def execute(self):
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if not self.settings["structural_analysis_model"].IsGroupedBy:
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return
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rel = self.settings["structural_analysis_model"].IsGroupedBy[0]
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related_objects = set(rel.RelatedObjects) or set()
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related_objects.remove(self.settings["product"])
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if len(related_objects):
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rel.RelatedObjects = list(related_objects)
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ifcopenshell.api.run("owner.update_owner_history", self.file, **{"element": rel})
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else:
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self.file.remove(rel)
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