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https://github.com/IfcOpenShell/IfcOpenShell.git
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Dion Moult
78 lines
3.2 KiB
Python
78 lines
3.2 KiB
Python
# IfcOpenShell - IFC toolkit and geometry engine
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# Copyright (C) 2021-2022, Dion Moult <dion@thinkmoult.com>, Yassine Oualid <yassine@sigmadimensions.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.api
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class Usecase:
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def __init__(self, file, resource=None):
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"""Removes a resource and all relationships
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Example:
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.. code:: python
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# Add our own crew
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crew = ifcopenshell.api.run("resource.add_resource", model, ifc_class="IfcCrewResource")
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# Fire our crew
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ifcopenshell.api.run("resource.remove_resource", model, resource=crew)
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"""
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self.file = file
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self.settings = {"resource": resource}
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def execute(self):
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# TODO: review deep purge
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for inverse in self.file.get_inverse(self.settings["resource"]):
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if inverse.is_a("IfcRelNests"):
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if inverse.RelatingObject == self.settings["resource"]:
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for related_object in inverse.RelatedObjects:
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ifcopenshell.api.run(
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"resource.remove_resource",
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self.file,
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resource=related_object,
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)
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self.file.remove(inverse)
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elif inverse.is_a("IfcRelAssignsToControl"):
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if len(inverse.RelatedObjects) == 1:
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self.file.remove(inverse)
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else:
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related_objects = list(inverse.RelatedObjects)
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related_objects.remove(self.settings["resource"])
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inverse.RelatedObjects = related_objects
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elif inverse.is_a("IfcRelAssignsToResource"):
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if inverse.RelatingResource == self.settings["resource"]:
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for related_object in inverse.RelatedObjects:
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ifcopenshell.api.run(
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"resource.unassign_resource",
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self.file,
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related_object=related_object,
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resource=self.settings["resource"],
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)
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elif inverse.RelatedObjects == tuple(self.settings["resource"]):
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self.file.remove(inverse)
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if self.settings["resource"].Usage:
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self.file.remove(self.settings["resource"].Usage)
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if self.settings["resource"].BaseQuantity:
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ifcopenshell.api.run(
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"resource.remove_resource_quantity",
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self.file,
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resource=self.settings["resource"],
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)
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self.file.remove(self.settings["resource"])
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