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Dion Moult
74 lines
3.1 KiB
Python
74 lines
3.1 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.api
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class Usecase:
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def __init__(self, file, cost_schedule=None, cost_item=None):
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"""Add a new cost item
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A cost item represents a single line item in a cost schedule. Cost items
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may then be broken down into cost subitems.
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:param cost_schedule: If the cost item is to be added as a root or top
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level cost item to a cost schedule, the IfcCostSchedule may be
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specified. This is mutually exlclusive to the cost_item parameter.
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:type cost_schedule: ifcopenshell.entity_instance
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:param cost_item: If the cost item is to be added as a subitem to an
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existing cost item, the parent IfcCostItem may be specified. This is
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mutually exclusive to the cost_schedule parameter.
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:type cost_item: ifcopenshell.entity_instance
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:return: The newly created IfcCostItem
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:rtype: ifcopenshell.entity_instance
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Example:
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.. code:: python
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# The very first cost item must be in a cost schedule
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schedule = ifcopenshell.api.run("cost.add_cost_schedule", model)
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# You may add cost items as top level item in the schedule
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item1 = ifcopenshell.api.run("cost.add_cost_item", model, cost_schedule=schedule)
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# Alternatively you may add them as subitems
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item2 = ifcopenshell.api.run("cost.add_cost_item", model, cost_item=item1)
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"""
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self.file = file
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self.settings = {"cost_schedule": cost_schedule, "cost_item": cost_item}
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def execute(self):
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cost_item = ifcopenshell.api.run("root.create_entity", self.file, ifc_class="IfcCostItem")
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if self.settings["cost_schedule"]:
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self.file.create_entity(
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"IfcRelAssignsToControl",
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**{
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"GlobalId": ifcopenshell.guid.new(),
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"OwnerHistory": ifcopenshell.api.run("owner.create_owner_history", self.file),
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"RelatedObjects": [cost_item],
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"RelatingControl": self.settings["cost_schedule"],
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}
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)
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elif self.settings["cost_item"]:
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ifcopenshell.api.run(
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"nest.assign_object", self.file, related_objects=[cost_item], relating_object=self.settings["cost_item"]
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)
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return cost_item
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