remove_product to also remove psets for types

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

@@ -65,13 +65,29 @@ class Usecase:
                 representations = self.settings["product"].Representation.Representations or []
             else:
                 representations = []
-            
+
+            # remove object placements
             object_placement = self.settings["product"].ObjectPlacement
-            if object_placement and self.file.get_total_inverses(object_placement) == 1:
-                self.settings["product"].ObjectPlacement = None # remove the inverse for remove_deep2 to work
-                ifcopenshell.util.element.remove_deep2(self.file, object_placement)
+            if object_placement:
+                if self.file.get_total_inverses(object_placement) == 1:
+                    self.settings["product"].ObjectPlacement = None  # remove the inverse for remove_deep2 to work
+                    ifcopenshell.util.element.remove_deep2(self.file, object_placement)
+
         elif self.settings["product"].is_a("IfcTypeProduct"):
             representations = [rm.MappedRepresentation for rm in self.settings["product"].RepresentationMaps or []]
+
+            # remove psets
+            psets = self.settings["product"].HasPropertySets or []
+            for pset in psets:
+                if self.file.get_total_inverses(pset) != 1:
+                    continue
+                ifcopenshell.api.run(
+                    "pset.remove_pset",
+                    self.file,
+                    product=self.settings["product"],
+                    pset=pset,
+                )
+
         for representation in representations:
             ifcopenshell.api.run(
                 "geometry.unassign_representation",

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

@@ -54,6 +54,24 @@ class TestRemoveProduct(test.bootstrap.IFC4):
         ifcopenshell.api.run("root.remove_product", self.file, product=element1)
         assert len(self.file.by_type("IfcObjectPlacement")) == 0
 
+    def test_removing_element_type_psets(self):
+        element = ifcopenshell.api.run("root.create_entity", self.file, ifc_class="IfcWallType")
+        pset = ifcopenshell.api.run("pset.add_pset", self.file, product=element, name="Foo_Bar")
+        ifcopenshell.api.run("pset.edit_pset", self.file, pset=pset, properties={"Foo": "Bar"})
+
+        element2 = ifcopenshell.api.run("root.create_entity", self.file, ifc_class="IfcWallType")
+        element2.HasPropertySets = (pset,)
+
+        # make sure it won't remove the pset if it's connected elsewhere
+        ifcopenshell.api.run("root.remove_product", self.file, product=element2)
+        assert len(self.file.by_type("IfcPropertySet")) == 1
+        assert len(self.file.by_type("IfcPropertySingleValue")) == 1
+
+        # if it's the product is the only inverse for pset, it should remove the pset
+        ifcopenshell.api.run("root.remove_product", self.file, product=element)
+        assert len(self.file.by_type("IfcPropertySet")) == 0
+        assert len(self.file.by_type("IfcPropertySingleValue")) == 0
+
     def test_removing_all_representations_of_an_element(self):
         ifcopenshell.api.run("root.create_entity", self.file, ifc_class="IfcProject")
         ifcopenshell.api.run("unit.assign_unit", self.file)