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.api.owner
+import ifcopenshell.guid
+
+
+def add_system(file: ifcopenshell.file, ifc_class: str = "IfcDistributionSystem") -> ifcopenshell.entity_instance:
+    """Add a new distribution system
+
+    A distribution system is a group of distribution elements, like ducts,
+    pipes, pumps, filters, fans, and so on that distribute a medium (air,
+    liquid, or electricity) throughout a facility. Systems may be
+    hierarchical, with larger systems composed of smaller subsystems.
+
+    :param ifc_class: The type of system, chosen from IfcDistributionSystem
+        for mechanical, electrical, communications, plumbing, fire, or
+        security systems. Alternatively you may choose IfcBuildingSystem for
+        specialised building facade systems or similar. For IFC2X3, choose
+        IfcSystem.
+    :return: The newly created IfcSystem.
+
+    Example:
+
+    .. code:: python
+
+        # A completely empty distribution system
+        system = ifcopenshell.api.system.add_system(model)
+    """
+    ifc_class = ifc_class
+    # workaround for failing default argument in ifc2x3
+    if file.schema == "IFC2X3" and ifc_class == "IfcDistributionSystem":
+        ifc_class = "IfcSystem"
+
+    return file.create_entity(
+        ifc_class,
+        **{
+            "GlobalId": ifcopenshell.guid.new(),
+            "OwnerHistory": ifcopenshell.api.owner.create_owner_history(file),
+            "Name": "Unnamed",
+        }
+    )