First Commit

2026-05-31 10:17:09 +07:00
commit 17a9c69379
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+# IfcOpenShell - IFC toolkit and geometry engine
+# Copyright (C) 2021 Dion Moult <dion@thinkmoult.com>
+#
+# This file is part of IfcOpenShell.
+#
+# IfcOpenShell is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Lesser General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# IfcOpenShell is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Lesser General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public License
+# along with IfcOpenShell.  If not, see <http://www.gnu.org/licenses/>.
+
+from typing import Any
+
+import ifcopenshell
+import ifcopenshell.util.element
+import ifcopenshell.util.unit
+
+
+def edit_cost_value(
+    file: ifcopenshell.file, cost_value: ifcopenshell.entity_instance, attributes: dict[str, Any]
+) -> None:
+    """Edits the attributes of an IfcCostValue
+
+    For more information about the attributes and data types of an
+    IfcCostValue, consult the IFC documentation.
+
+    :param cost_value: The IfcCostValue entity you want to edit
+    :param attributes: a dictionary of attribute names and values.
+    :return: None
+
+    Example:
+
+    .. code:: python
+
+        schedule = ifcopenshell.api.cost.add_cost_schedule(model)
+        item = ifcopenshell.api.cost.add_cost_item(model, cost_schedule=schedule)
+
+        # This cost item will have a total cost of 42
+        value = ifcopenshell.api.cost.add_cost_value(model, parent=item)
+        ifcopenshell.api.cost.edit_cost_value(model, cost_value=value,
+            attributes={"AppliedValue": 42.0})
+    """
+    for name, value in attributes.items():
+        if name == "AppliedValue" and value is not None:
+            # TODO: support all applied value select types
+            value = file.createIfcMonetaryMeasure(value)
+        elif name == "UnitBasis":
+            old_unit_basis = cost_value.UnitBasis
+            if value:
+                value_component = file.create_entity(
+                    ifcopenshell.util.unit.get_unit_measure_class(value["UnitComponent"].UnitType),
+                    value["ValueComponent"],
+                )
+                value = file.create_entity("IfcMeasureWithUnit", value_component, value["UnitComponent"])
+            if old_unit_basis:
+                ifcopenshell.util.element.remove_deep2(file, old_unit_basis)
+        setattr(cost_value, name, value)