63 lines
2.5 KiB
Python
63 lines
2.5 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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def remove_cost_value(
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file: ifcopenshell.file, parent: ifcopenshell.entity_instance, cost_value: ifcopenshell.entity_instance
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) -> None:
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"""Removes a cost value
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The cost value may be assigned either to a cost item, a construction
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resource, or another cost value (i.e. it is a subcomponent of a cost)
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:param parent: The IfcCostItem, IfcConstructionResource, or IfcCostValue
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that the IfcCostValue is assigned to.
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:param cost_value: The IfcCostValue that you want to remove
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:return: None
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Example:
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.. code:: python
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schedule = ifcopenshell.api.cost.add_cost_schedule(model)
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item = ifcopenshell.api.cost.add_cost_item(model, cost_schedule=schedule)
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# This cost item will have a unit cost of 5 and a volume of 3
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value = ifcopenshell.api.cost.add_cost_value(model, parent=item)
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ifcopenshell.api.cost.edit_cost_value(model, cost_value=value,
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attributes={"AppliedValue": 5.0})
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ifcopenshell.api.cost.remove_cost_value(model, parent=item, cost_value=value)
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"""
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if file.get_total_inverses(cost_value) == 1:
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file.remove(cost_value)
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# TODO deep purge
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elif parent.is_a("IfcCostItem"):
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values = list(parent.CostValues)
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values.remove(cost_value)
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parent.CostValues = values if values else None
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elif parent.is_a("IfcConstructionResource"):
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values = list(parent.BaseCosts)
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values.remove(cost_value)
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parent.BaseCosts = values if values else None
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elif parent.is_a("IfcCostValue"):
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components = list(parent.Components)
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components.remove(cost_value)
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parent.Components = components if components else None
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