First Commit

2026-05-31 10:17:09 +07:00
commit 17a9c69379
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+# IfcOpenShell - IFC toolkit and geometry engine
+# Copyright (C) 2022 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.document
+import ifcopenshell.util.element
+
+
+def remove_information(file: ifcopenshell.file, information: ifcopenshell.entity_instance) -> None:
+    """Removes a document information
+
+    All references and associations are also removed.
+
+    :param information: The IfcDocumentInformation to remove
+    :return: None
+
+    Example:
+
+    .. code:: python
+
+        # Add a document
+        document = ifcopenshell.api.document.add_information(model)
+        # ... and remove it!
+        ifcopenshell.api.document.remove_information(model, information=document)
+    """
+
+    if file.schema == "IFC2X3":
+        references = information.DocumentReferences or []
+    else:
+        references = information.HasDocumentReferences
+
+    for reference in references:
+        ifcopenshell.api.document.remove_reference(file, reference=reference)
+
+    for rel in information.IsPointer or []:
+        for info in rel.RelatedDocuments:
+            ifcopenshell.api.document.remove_information(file, information=info)
+
+    for rel in information.IsPointedTo or []:
+        if rel.RelatedDocuments == (information,):
+            # This relationship is non-rooted
+            file.remove(rel)
+
+    if file.schema == "IFC2X3":
+        rels = [r for r in file.by_type("IfcRelAssociatesDocument") if r.RelatingDocument == information]
+    else:
+        rels = information.DocumentInfoForObjects
+
+    for rel in rels:
+        history = rel.OwnerHistory
+        file.remove(rel)
+        if history:
+            ifcopenshell.util.element.remove_deep2(file, history)
+    file.remove(information)