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Dion Moult
64 lines
2.3 KiB
Python
64 lines
2.3 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, group=None):
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"""Removes a group
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All products assigned to the group will remain, but the relationship to
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the group will be removed.
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:param group: The IfcGroup entity you want to remove
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:type group: ifcopenshell.entity_instance.entity_instance
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:return: None
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:rtype: None
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Example:
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.. code:: python
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group = ifcopenshell.api.run("group.add_group", model, Name="Unit 1A")
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ifcopenshell.api.run("group.remove_group", model, group=group)
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"""
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self.file = file
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self.settings = {"group": group}
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def execute(self):
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for inverse_id in [i.id() for i in self.file.get_inverse(self.settings["group"])]:
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try:
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inverse = self.file.by_id(inverse_id)
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except:
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continue
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if inverse.is_a("IfcRelDefinesByProperties"):
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ifcopenshell.api.run(
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"pset.remove_pset",
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self.file,
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product=self.settings["group"],
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pset=inverse.RelatingPropertyDefinition,
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)
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elif inverse.is_a("IfcRelAssignsToGroup"):
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if inverse.RelatingGroup == self.settings["group"]:
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self.file.remove(inverse)
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elif len(inverse.RelatedObjects) == 1:
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self.file.remove(inverse)
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self.file.remove(self.settings["group"])
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