First Commit

2026-05-31 10:17:09 +07:00
commit 17a9c69379
4547 changed files with 1170384 additions and 0 deletions
@@ -0,0 +1,48 @@
+# 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_constraint(file: ifcopenshell.file, constraint: ifcopenshell.entity_instance) -> None:
+    """Remove a constraint (typically an objective)
+
+    Removes a constraint definition and all of its associations to any
+    products. Typically this would be an IfcObjective, although technically
+    you can associate IfcMetrics ith products too, though the meaning may be
+    unclear.
+
+    :param constraint: The IfcObjective you want to remove.
+    :return: None
+
+    Example:
+
+    .. code:: python
+
+        objective = ifcopenshell.api.constraint.add_objective(model)
+        ifcopenshell.api.constraint.remove_constraint(model,
+            constraint=objective)
+    """
+    file.remove(constraint)
+    for rel in file.by_type("IfcRelAssociatesConstraint"):
+        if not rel.RelatingConstraint:
+            history = rel.OwnerHistory
+            file.remove(rel)
+            if history:
+                ifcopenshell.util.element.remove_deep2(file, history)