52 lines
1.8 KiB
Python
52 lines
1.8 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.group
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def unassign_system(
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file: ifcopenshell.file,
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products: list[ifcopenshell.entity_instance],
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system: ifcopenshell.entity_instance,
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) -> None:
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"""Unassigns list of products from a system
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:param products: The list of IfcDistributionElements to unassign from the system.
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:param system: The IfcSystem you want to unassign the element from.
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:return: None
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Example:
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.. code:: python
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# A completely empty distribution system
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system = ifcopenshell.api.system.add_system(model)
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# Create a duct
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duct = ifcopenshell.api.root.create_entity(model,
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ifc_class="IfcDuctSegment", predefined_type="RIGIDSEGMENT")
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# This duct is part of the system
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ifcopenshell.api.system.assign_system(model, products=[duct], system=system)
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# Not anymore!
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ifcopenshell.api.system.unassign_system(model, products=[duct], system=system)
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"""
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ifcopenshell.api.group.unassign_group(file, products=products, group=system)
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