cleanup and black .

src/bonsai/bonsai/bim/module/system/operator.py

@@ -186,7 +186,6 @@ class ShowPorts(bpy.types.Operator, tool.Ifc.Operator):
     bl_idname = "bim.show_ports"
     bl_label = "Show Ports"
     bl_options = {"REGISTER", "UNDO"}
-    element_id: bpy.props.IntProperty(default=0, options={"SKIP_SAVE"})
 
     @classmethod
     def poll(cls, context):
@@ -199,10 +198,7 @@ class ShowPorts(bpy.types.Operator, tool.Ifc.Operator):
 
     def _execute(self, context):
         # Ifc.Operator - as operator will sync object's position with IFC.
-        if self.element_id != 0:
+        element = tool.Ifc.get_entity(context.active_object)
-            element = tool.Ifc.get().by_id(self.element_id)
-        else:
-            element = tool.Ifc.get_entity(context.active_object)
         core.show_ports(tool.Ifc, tool.System, tool.Spatial, element=element)
 
         for port in tool.System.get_ports(element):
@@ -260,7 +256,9 @@ class ConnectPort(bpy.types.Operator, tool.Ifc.Operator):
         obj1 = context.active_object
         obj2 = context.selected_objects[0] if context.selected_objects[1] == obj1 else context.selected_objects[1]
         direction = tool.Ifc.get_entity(obj1).FlowDirection or "NOTDEFINED"
-        core.connect_port(tool.Ifc, port1=tool.Ifc.get_entity(obj1), port2=tool.Ifc.get_entity(obj2), direction=direction)
+        core.connect_port(
+            tool.Ifc, port1=tool.Ifc.get_entity(obj1), port2=tool.Ifc.get_entity(obj2), direction=direction
+        )
 
 
 class AddRelatedPortConnection(bpy.types.Operator, tool.Ifc.Operator):
@@ -436,13 +434,10 @@ class CycleFlowDirection(bpy.types.Operator, tool.Ifc.Operator):
 
     @classmethod
     def description(cls, context, operator):
-        try:
+        port = tool.Ifc.get().by_id(operator.port_id)
-            port = tool.Ifc.get().by_id(operator.port_id)
+        if port and port.is_a("IfcDistributionPort"):
-            if port and port.is_a("IfcDistributionPort"):
+            current_direction = port.FlowDirection or "NOTDEFINED"
-                current_direction = port.FlowDirection or "NOTDEFINED"
+            return f"Current flow direction: {current_direction}. Click to cycle: SOURCE → SINK → SOURCEANDSINK → NOTDEFINED"
-                return f"Current flow direction: {current_direction}. Click to cycle: SOURCE → SINK → SOURCEANDSINK → NOTDEFINED"
-        except:
-            pass
         return "Cycle through flow directions: SOURCE → SINK → SOURCEANDSINK → NOTDEFINED → SOURCE..."
 
     def _execute(self, context):
@@ -456,7 +451,7 @@ class CycleFlowDirection(bpy.types.Operator, tool.Ifc.Operator):
             "SOURCE": "SINK",
             "SINK": "SOURCEANDSINK",
             "SOURCEANDSINK": "NOTDEFINED",
-            "NOTDEFINED": "SOURCE"
+            "NOTDEFINED": "SOURCE",
         }
         next_direction = flow_cycle_map.get(current_direction, "SOURCE")
 
@@ -468,10 +463,12 @@ class CycleFlowDirection(bpy.types.Operator, tool.Ifc.Operator):
                 "SOURCE": "SINK",
                 "SINK": "SOURCE",
                 "SOURCEANDSINK": "SOURCEANDSINK",
-                "NOTDEFINED": "NOTDEFINED"
+                "NOTDEFINED": "NOTDEFINED",
             }
             connected_direction = connected_direction_map.get(next_direction, "NOTDEFINED")
-            tool.Ifc.run("attribute.edit_attributes", product=connected_port, attributes={"FlowDirection": connected_direction})
+            tool.Ifc.run(
+                "attribute.edit_attributes", product=connected_port, attributes={"FlowDirection": connected_direction}
+            )
 
         PortData.is_loaded = False
 

src/bonsai/bonsai/bim/module/system/prop.py

@@ -19,7 +19,6 @@
 import bpy
 import bonsai.bim.handler
 import bonsai.tool as tool
-import bonsai.core.system as core
 from bonsai.bim.module.system.data import SystemData
 import bonsai.bim.module.system.decorator as decorator
 from bonsai.bim.prop import StrProperty, Attribute
@@ -93,7 +92,9 @@ def toggle_decorations(self: "BIMSystemProperties", context: bpy.types.Context)
         decorator.SystemDecorator.uninstall()
 
 
-def get_available_ports_for_connection(self: "BIMSystemProperties", context: bpy.types.Context) -> list[tuple[str, str, str]]:
+def get_available_ports_for_connection(
+    self: "BIMSystemProperties", context: bpy.types.Context
+) -> list[tuple[str, str, str]]:
     items = []
     active_object_ports = set(tool.System.get_ports(tool.Ifc.get_entity(context.active_object)))
 

src/bonsai/bonsai/bim/module/system/ui.py

@@ -162,10 +162,8 @@ class BIM_PT_ports(Panel):
         if total_ports == 0:
             return
 
-        props = tool.System.get_system_props()
-
         row = self.layout.row(align=True)
-        row.label(text="Ports located on object and connected Port/Objects:")
+        row.label(text=f"Ports located in: {context.active_object.name} and connected Port/Objects:")
 
         row = self.layout.row(align=True)
         cols = [row.column(align=True) for i in range(9)]
@@ -181,12 +179,11 @@ class BIM_PT_ports(Panel):
                 op = cols[1].operator("bim.cycle_flow_direction", text="", icon=flow_direction_icon, emboss=True)
                 op.port_id = port_data["id"]
             else:
-                op = cols[0].operator("bim.add_related_port_connection", text="", icon='PLUGIN')
+                op = cols[0].operator("bim.add_related_port_connection", text="", icon="PLUGIN")
                 op.relating_port_id = port_data["id"]
                 op = cols[1].operator("bim.cycle_flow_direction", text="", icon=flow_direction_icon, emboss=True)
                 op.port_id = port_data["id"]
 
-            # Port information
             if port_data["port_obj_name"]:
                 cols[2].operator("bim.select_entity", text="", icon="RESTRICT_SELECT_OFF").ifc_id = port_data["id"]
                 cols[3].label(text=port_data["port_obj_name"])
@@ -203,9 +200,13 @@ class BIM_PT_ports(Panel):
                     connected_port_obj = tool.Ifc.get_object(connected_port)
                     if connected_port_obj:
                         connected_port_flow_dir = FLOW_DIRECTION_TO_ICON[connected_port.FlowDirection or "NOTDEFINED"]
-                        op = cols[4].operator("bim.cycle_flow_direction", text="", icon=connected_port_flow_dir, emboss=True)
+                        op = cols[4].operator(
+                            "bim.cycle_flow_direction", text="", icon=connected_port_flow_dir, emboss=True
+                        )
                         op.port_id = connected_port.id()
-                        cols[5].operator("bim.select_entity", text="", icon="RESTRICT_SELECT_OFF").ifc_id = connected_port.id()
+                        cols[5].operator("bim.select_entity", text="", icon="RESTRICT_SELECT_OFF").ifc_id = (
+                            connected_port.id()
+                        )
                         cols[6].label(text=connected_port_obj.name)
                     else:
                         blank4 = cols[4].column(align=True)
@@ -265,26 +266,20 @@ class BIM_PT_port(Panel):
         return True
 
     def draw(self, context):
-        self.props = tool.System.get_system_props()
-
         layout = self.layout
         row = layout.row(align=True)
 
-        if not PortData.is_loaded:
-            PortData.load()
-            
-        relating_object_name = PortData.data["port_relating_object_name"] if PortData.data["is_port"] else ""
-        row.label(text=f"IfcDistributionPort located in: {relating_object_name}")
-        row.operator("bim.remove_port", icon="X", text="")
-
         if not PortData.is_loaded:
             PortData.load()
 
         if not PortData.data["is_port"]:
             return
 
+        relating_object_name = PortData.data["port_relating_object_name"]
+        row.label(text=f"IfcDistributionPort located in: {relating_object_name}")
+        row.operator("bim.remove_port", icon="X", text="")
+
         element = tool.Ifc.get_entity(context.active_object)
-        props = tool.System.get_system_props()
 
         row = layout.row(align=True)
         cols = [row.column(align=True) for i in range(9)]

src/bonsai/bonsai/core/system.py

@@ -132,7 +132,12 @@ def remove_port(ifc: type[tool.Ifc], system: type[tool.System], port: ifcopenshe
     ifc.run("root.remove_product", product=port)
 
 
-def connect_port(ifc: type[tool.Ifc], port1: ifcopenshell.entity_instance, port2: ifcopenshell.entity_instance, direction: str = "NOTDEFINED") -> None:
+def connect_port(
+    ifc: type[tool.Ifc],
+    port1: ifcopenshell.entity_instance,
+    port2: ifcopenshell.entity_instance,
+    direction: str = "NOTDEFINED",
+) -> None:
     ifc.run("system.connect_port", port1=port1, port2=port2, direction=direction)
 
 

src/bonsai/bonsai/tool/system.py

@@ -100,6 +100,7 @@ class System(bonsai.core.tool.System):
 
     @classmethod
     def create_empty_at_cursor_with_element_orientation(cls, element: ifcopenshell.entity_instance) -> bpy.types.Object:
+        # Is this necessary anymore?
         element_obj = tool.Ifc.get_object(element)
         obj = bpy.data.objects.new("Port", None)
         obj.matrix_world = element_obj.matrix_world

src/ifcopenshell-python/ifcopenshell/api/project/append_asset.py

@@ -490,8 +490,7 @@ class Usecase:
                 attribute_class = None
                 if "." in attribute:
                     attribute, attribute_class = attribute.split(".")
-                inverse_values = getattr(element, attribute, [])
+                for inverse in getattr(element, attribute, []):
-                for inverse in inverse_values:
                     if attribute_class and inverse.is_a(attribute_class):
                         self.add_inverse_element(inverse)
                     elif not attribute_class: