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https://github.com/IfcOpenShell/IfcOpenShell.git
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Dion Moult
90 lines
3.5 KiB
Python
90 lines
3.5 KiB
Python
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# Ifc5D - IFC costing utility
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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 Ifc5D.
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#
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# Ifc5D 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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# Ifc5D 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 Ifc5D. If not, see <http://www.gnu.org/licenses/>.
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import csv
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import ifcopenshell
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import ifcopenshell.api
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import ifcopenshell.util.unit
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class Csv2Ifc:
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def __init__(self):
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self.csv = None
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self.file = None
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self.cost_items = []
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self.cost_schedule = None
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def execute(self):
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self.parse_csv()
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self.create_ifc()
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def parse_csv(self):
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self.parents = {}
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with open(self.csv, "r") as csv_file:
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reader = csv.reader(csv_file)
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for row in reader:
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if not row[0]:
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continue
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cost_data = self.get_row_cost_data(row)
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hierarchy_key = int(row[0])
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if hierarchy_key == 1:
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self.cost_items.append(cost_data)
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else:
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self.parents[hierarchy_key - 1]["children"].append(cost_data)
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self.parents[hierarchy_key] = cost_data
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def get_row_cost_data(self, row):
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return {
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"Name": str(row[1]) if row[1] else None,
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"CostQuantities": float(row[2]) if row[2] else None,
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"CostQuantitiesUnit": str(row[3]) if row[3] else None,
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"CostValues": float(row[4]) if row[4] else None,
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"children": [],
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}
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def create_ifc(self):
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if not self.file:
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self.create_boilerplate_ifc()
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if not self.cost_schedule:
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self.cost_schedule = ifcopenshell.api.run("cost.add_cost_schedule", self.file, name="CSV Import")
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self.create_cost_items(self.cost_items)
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def create_cost_items(self, cost_items, parent=None):
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for cost_item in cost_items:
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if parent is None:
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cost_item["ifc"] = ifcopenshell.api.run(
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"cost.add_cost_item", self.file, cost_schedule=self.cost_schedule
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)
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else:
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cost_item["ifc"] = ifcopenshell.api.run("cost.add_cost_item", self.file, cost_item=parent)
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cost_item["ifc"].Name = cost_item["Name"]
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if cost_item["CostValues"]:
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cost_value = ifcopenshell.api.run("cost.add_cost_value", self.file, parent=cost_item["ifc"])
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cost_value.AppliedValue = self.file.createIfcReal(cost_item["CostValues"])
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if cost_item["CostQuantities"]:
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quantity_class = ifcopenshell.util.unit.get_symbol_quantity_class(cost_item["CostQuantitiesUnit"])
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quantity = ifcopenshell.api.run(
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"cost.add_cost_item_quantity", self.file, cost_item=cost_item["ifc"], ifc_class=quantity_class
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)
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quantity[3] = cost_item["CostQuantities"]
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self.create_cost_items(cost_item["children"], cost_item["ifc"])
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def create_boilerplate_ifc(self):
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self.file = ifcopenshell.file(schema="IFC4")
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