59 lines
2.2 KiB
Python
59 lines
2.2 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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from typing import Optional
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import ifcopenshell
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import ifcopenshell.util.element
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def disconnect_path(
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file: ifcopenshell.file,
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element: Optional[ifcopenshell.entity_instance] = None,
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connection_type: Optional[str] = None,
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relating_element: Optional[ifcopenshell.entity_instance] = None,
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related_element: Optional[ifcopenshell.entity_instance] = None,
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) -> None:
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"""There are two options to use this API method:
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- provide `element` (connected from) and `connection_type` that should be disconnected.
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- provide connected elements to disconnect explicitly:
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`relating_element` (connected from) and `related_element` (connected to)
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"""
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if connection_type and element:
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connections = [
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r
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for r in element.ConnectedTo
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if r.is_a("IfcRelConnectsPathElements") and r.RelatingConnectionType == connection_type
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] + [
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r
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for r in element.ConnectedFrom
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if r.is_a("IfcRelConnectsPathElements") and r.RelatedConnectionType == connection_type
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]
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elif related_element:
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connections = [
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r
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for r in relating_element.ConnectedTo
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if r.is_a("IfcRelConnectsPathElements") and r.RelatedElement == related_element
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]
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for connection in set(connections):
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history = connection.OwnerHistory
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file.remove(connection)
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if history:
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ifcopenshell.util.element.remove_deep2(file, history)
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