typing

src/bonsai/bonsai/bim/ui.py

@@ -1552,7 +1552,7 @@ class BIM_PT_snappping(Panel):
         return context.mode == "OBJECT"
 
     def draw(self, context):
-        prop = context.scene.BIMSnapProperties
+        prop = tool.Snap.get_snap_props()
         layout = self.layout
         col = layout.column(align=True)
         col.prop(prop, "vertex", toggle=True, icon="SNAP_VERTEX")
@@ -1560,7 +1560,7 @@ class BIM_PT_snappping(Panel):
         col.prop(prop, "edge_center", toggle=True, icon="SNAP_MIDPOINT")
         col.prop(prop, "edge_intersection", toggle=True, icon="SNAP_GRID")
         col.prop(prop, "face", toggle=True, icon="SNAP_FACE")
-        groups = context.scene.BIMSnapGroups
+        groups = tool.Snap.get_snap_groups()
         row = layout.row(align=True)
         row.label(text="Bonsai Target Selection")
         row = layout.row(align=True)

src/bonsai/bonsai/tool/blender.py

@@ -56,7 +56,7 @@ from collections.abc import Iterable, Callable, Generator, Sequence, Sized
 if TYPE_CHECKING:
     from sun_position.properties import SunPosProperties
     import bpy.stub_internal.rna_enums as rna_enums
-    from bonsai.bim.prop import BIMProperties, BIMObjectProperties
+    from bonsai.bim.prop import BIMProperties, BIMObjectProperties, BIMSnapProperties
     from bonsai.bim.module.attribute.prop import BIMAttributeProperties
     from bonsai.bim.module.constraint.prop import BIMConstraintProperties, BIMObjectConstraintProperties
     from bonsai.bim.module.covetool.prop import CoveToolProperties

src/bonsai/bonsai/tool/ifc.py

@@ -86,8 +86,8 @@ class Ifc(bonsai.core.tool.Ifc):
 
     @classmethod
     def get_schema(cls) -> ifcopenshell.util.schema.IFC_SCHEMA:
-        if IfcStore.get_file():
-            return IfcStore.get_file().schema
+        if ifc_file := IfcStore.get_file():
+            return ifc_file.schema
 
     @classmethod
     def clear_history(cls) -> None:

src/bonsai/bonsai/tool/snap.py

@@ -16,6 +16,7 @@
 # You should have received a copy of the GNU General Public License
 # along with Bonsai.  If not, see <http://www.gnu.org/licenses/>.
 
+from __future__ import annotations
 import bpy
 import ifcopenshell
 import ifcopenshell.util.unit
@@ -26,13 +27,26 @@ import math
 import mathutils
 from mathutils import Matrix, Vector
 from lark import Lark, Transformer
-from typing import Union, Any
+from typing import Union, Any, TYPE_CHECKING
+
+if TYPE_CHECKING:
+    from bonsai.bim.prop import BIMSnapGroups, BIMSnapProperties
 
 
 class Snap(bonsai.core.tool.Snap):
     tool_state = None
     snap_plane_method = None
 
+    @classmethod
+    def get_snap_props(cls) -> BIMSnapProperties:
+        assert (scene := bpy.context.scene)
+        return scene.BIMSnapProperties  # pyright: ignore[reportAttributeAccessIssue]
+
+    @classmethod
+    def get_snap_groups(cls) -> BIMSnapGroups:
+        assert (scene := bpy.context.scene)
+        return scene.BIMSnapGroups  # pyright: ignore[reportAttributeAccessIssue]
+
     @classmethod
     def set_snap_plane_method(cls, value=True):
         cls.snap_plane_method = value
@@ -484,7 +498,7 @@ class Snap(bonsai.core.tool.Snap):
     def select_snapping_points(cls, context, event, tool_state, detected_snaps):
         def filter_snapping_points_by_type(snapping_points):
             options = ["Plane", "Axis"]
-            props = context.scene.BIMSnapProperties
+            props = tool.Snap.get_snap_props()
             for prop in props.__annotations__.keys():
                 if getattr(props, prop):
                     options.append(props.rna_type.properties[prop].name)
@@ -494,7 +508,7 @@ class Snap(bonsai.core.tool.Snap):
 
         def filter_snapping_points_by_group(detected_snaps):
             options = ["Wireframe", "Axis", "Plane"]
-            props = context.scene.BIMSnapGroups
+            props = tool.Snap.get_snap_groups()
             for prop in props.__annotations__.keys():
                 if getattr(props, prop):
                     options.append(props.rna_type.properties[prop].name)