Copying elements do not copy connections to prevent mutually exclusive connectivity

src/ifcopenshell-python/ifcopenshell/api/root/copy_class.py

@@ -71,6 +71,8 @@ class Usecase:
                 continue
             elif inverse.is_a("IfcRelFillsElement"):
                 continue
+            elif inverse.is_a("IfcRelConnectsPathElements"):
+                continue
             elif inverse.is_a("IfcRelAssociatesMaterial") and "Usage" in inverse.RelatingMaterial.is_a():
                 inverse = ifcopenshell.util.element.copy(self.file, inverse)
                 inverse.RelatingMaterial = ifcopenshell.util.element.copy(self.file, inverse.RelatingMaterial)

src/ifcopenshell-python/test/api/root/test_copy_class.py

@@ -161,3 +161,21 @@ class TestCopyClass(test.bootstrap.IFC4):
         assert port not in new_ports
         assert new_ports[0].is_a("IfcDistributionPort")
         assert ifcopenshell.util.system.get_ports(element) == [port]
+
+    def test_not_copying_path_connections(self):
+        element1 = ifcopenshell.api.run("root.create_entity", self.file, ifc_class="IfcWall")
+        element2 = ifcopenshell.api.run("root.create_entity", self.file, ifc_class="IfcWall")
+        ifcopenshell.api.run(
+            "geometry.connect_path",
+            self.file,
+            relating_element=element1,
+            related_element=element2,
+            relating_connection="ATSTART",
+            related_connection="ATEND",
+        )
+        new = ifcopenshell.api.run("root.copy_class", self.file, product=element1)
+        assert len(self.file.by_type("IfcRelConnectsPathElements")) == 1
+        assert element1.ConnectedTo
+        assert element2.ConnectedFrom
+        assert not new.ConnectedTo
+        assert not new.ConnectedFrom