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.util.element
+
+
+def remove_metric(file: ifcopenshell.file, metric: ifcopenshell.entity_instance) -> None:
+    """Remove a metric benchmark
+
+    Removes a metric benchmark and all of its associations to any products
+    and objectives.
+
+    :param metric: The IfcMetric you want to remove.
+    :return: None
+
+    Example:
+
+    .. code:: python
+
+        objective = ifcopenshell.api.constraint.add_objective(model)
+        metric = ifcopenshell.api.constraint.add_metric(model,
+            objective=objective)
+        ifcopenshell.api.constraint.remove_metric(model,
+            metric=metric)
+    """
+    usecase = Usecase()
+    usecase.file = file
+    return usecase.execute(metric)
+
+
+class Usecase:
+    file: ifcopenshell.file
+
+    def execute(self, metric: ifcopenshell.entity_instance) -> None:
+        if metric.ReferencePath:
+            reference = metric.ReferencePath
+            self.delete_reference(reference)
+
+        self.file.remove(metric)
+        for rel in self.file.by_type("IfcRelAssociatesConstraint"):
+            if not rel.RelatingConstraint:
+                history = rel.OwnerHistory
+                self.file.remove(rel)
+                if history:
+                    ifcopenshell.util.element.remove_deep2(self.file, history)
+        for resource_rel in self.file.by_type("IfcResourceConstraintRelationship"):
+            if not resource_rel.RelatingConstraint:
+                self.file.remove(resource_rel)
+
+    def delete_reference(self, reference: ifcopenshell.entity_instance) -> None:
+        if reference.InnerReference:
+            self.delete_reference(reference.InnerReference)
+        self.file.remove(reference)