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/>.
+
+import ifcopenshell
+import ifcopenshell.api.cost
+import ifcopenshell.util.element
+
+
+def remove_cost_schedule(file: ifcopenshell.file, cost_schedule: ifcopenshell.entity_instance) -> None:
+    """Removes a cost schedule
+
+    All associated relationships with the cost schedule are also removed,
+    including all cost items.
+
+    :param cost_schedule: The IfcCostSchedule entity you want to remove
+    :return: None
+
+    Example:
+
+    .. code:: python
+
+        schedule = ifcopenshell.api.cost.add_cost_schedule(model)
+        item = ifcopenshell.api.cost.add_cost_item(model, cost_schedule=schedule)
+        ifcopenshell.api.cost.remove_cost_schedule(model, cost_schedule=schedule)
+    """
+    # TODO: do a deep purge
+    for inverse in file.get_inverse(cost_schedule):
+        if inverse.is_a("IfcRelAssignsToControl"):
+            [
+                ifcopenshell.api.cost.remove_cost_item(file, cost_item=related_object)
+                for related_object in inverse.RelatedObjects
+                if related_object.is_a("IfcCostItem")
+            ]
+    history = cost_schedule.OwnerHistory
+    file.remove(cost_schedule)
+    if history:
+        ifcopenshell.util.element.remove_deep2(file, history)