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
+
+
+def remove_role(file: ifcopenshell.file, role: ifcopenshell.entity_instance) -> None:
+    """Removes a role
+
+    People and organisations using the role will be untouched. This may
+    leave some of them without roles.
+
+    :param role: The IfcActorRole to remove.
+    :return: None
+
+    Example:
+
+    .. code:: python
+
+        organisation = ifcopenshell.api.owner.add_organisation(model,
+            identification="AWB", name="Architects Without Ballpens")
+        role = ifcopenshell.api.owner.add_role(model, assigned_object=organisation, role="ARCHITECT")
+
+        # After running this, the organisation will have no role again
+        ifcopenshell.api.owner.remove_role(model, role=role)
+    """
+    for inverse in file.get_inverse(role):
+        if inverse.is_a() in ("IfcOrganization", "IfcPerson", "IfcPersonAndOrganization"):
+            if inverse.Roles == (role,):
+                inverse.Roles = None
+        elif inverse.is_a("IfcResourceLevelRelationship"):
+            # IfcResourceConstraintRelationship or other rels with IfcResourceObjectSelect.
+            if inverse.RelatedResourceObjects == (role,):
+                file.remove(inverse)
+    file.remove(role)