mirror of
https://github.com/IfcOpenShell/IfcOpenShell.git
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Dion Moult
bcfad8d96d
remove_deep is deprecated and can silently delete elements still in use. remove_deep2 requires zero inverses before removal, making it safer. Also fixes a double-removal bug in remove_grid_axis and prevents removing the last prop template from a pset template. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
51 lines
2.1 KiB
Python
51 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.util.element
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def remove_prop_template(file: ifcopenshell.file, prop_template: ifcopenshell.entity_instance) -> None:
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"""Removes a property template
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Note that a property set template should always have at least one property
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template to be valid. So a property set template will not be removed if it
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is the only template ina a property ste template.
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:param prop_template: The IfcSimplePropertyTemplate to remove.
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:return: None
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Example:
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.. code:: python
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template = ifcopenshell.api.pset_template.add_pset_template(model, name="ABC_RiskFactors")
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# Here's two propertes with just default values.
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prop1 = ifcopenshell.api.pset_template.add_prop_template(model, pset_template=template)
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prop2 = ifcopenshell.api.pset_template.add_prop_template(model, pset_template=template)
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# Let's remove the second one.
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ifcopenshell.api.pset_template.remove_prop_template(model, prop_template=prop2)
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"""
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for inverse in file.get_inverse(prop_template):
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if len(inverse.HasPropertyTemplates) > 1:
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has_property_templates = list(inverse.HasPropertyTemplates)
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has_property_templates.remove(prop_template)
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inverse.HasPropertyTemplates = has_property_templates
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ifcopenshell.util.element.remove_deep2(file, prop_template)
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