First Commit

2026-05-31 10:17:09 +07:00
commit 17a9c69379
4547 changed files with 1170384 additions and 0 deletions
@@ -0,0 +1,63 @@
+# 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_item(file: ifcopenshell.file, cost_item: ifcopenshell.entity_instance) -> None:
+    """Removes a cost item
+
+    All associated relationships with the cost item are also removed,
+    however the related resources, products, and tasks themselves are
+    retained.
+
+    :param cost_item: The IfcCostItem 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_item(model, cost_item=item)
+    """
+    # TODO: do a deep purge
+    for inverse in file.get_inverse(cost_item):
+        if inverse.is_a("IfcRelNests"):
+            if inverse.RelatingObject == cost_item:
+                for related_object in inverse.RelatedObjects:
+                    ifcopenshell.api.cost.remove_cost_item(file, cost_item=related_object)
+            elif inverse.RelatedObjects == (cost_item,):
+                history = inverse.OwnerHistory
+                file.remove(inverse)
+                if history:
+                    ifcopenshell.util.element.remove_deep2(file, history)
+        elif inverse.is_a("IfcRelAssignsToControl"):
+            if len(inverse.RelatedObjects) >= 2 or inverse.RelatingControl == cost_item:
+                continue
+            history = inverse.OwnerHistory
+            file.remove(inverse)
+            if history:
+                ifcopenshell.util.element.remove_deep2(file, history)
+    history = cost_item.OwnerHistory
+    file.remove(cost_item)
+    if history:
+        ifcopenshell.util.element.remove_deep2(file, history)