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_library(file: ifcopenshell.file, library: ifcopenshell.entity_instance) -> None:
+    """Removes a library
+
+    All references along with their relationships will also be removed. Any
+    products which have relationships to this library will not be removed.
+
+    :param library: The IfcLibraryInformation entity you want to remove
+    :return: None
+
+    Example:
+
+    .. code:: python
+
+        library = ifcopenshell.api.library.add_library(model, name="Brickschema")
+        ifcopenshell.api.library.remove_library(model, library=library)
+    """
+
+    if file.schema != "IFC2X3":
+        rels = []
+        for reference in set(library.HasLibraryReferences):
+            rels.extend(reference.LibraryRefForObjects)
+            file.remove(reference)
+        rels.extend(library.LibraryInfoForObjects)
+        file.remove(library)
+    else:
+        for reference in set(library.LibraryReference or []):
+            file.remove(reference)
+        file.remove(library)
+        # RelatingLibrary could either be library itself or library reference we removed
+        rels = [rel for rel in file.by_type("IfcRelAssociatesLibrary") if rel.RelatingLibrary is None]
+
+    for rel in rels:
+        history = rel.OwnerHistory
+        file.remove(rel)
+        if history:
+            ifcopenshell.util.element.remove_deep2(file, history)