Revert removal of lambda usage for Python RNA callbacks

This reverts commits
- 476be3746e
- 8d50a3e19e
- 08dbc4f996 (partially).

intern/cycles/blender/addon/properties.py

@@ -226,9 +226,6 @@ def update_render_passes(self, context):
     view_layer = context.view_layer
     view_layer.update_render_passes()
 
-def poll_object_is_camera(self, obj):
-    return obj.type == 'CAMERA'
-
 
 class CyclesRenderSettings(bpy.types.PropertyGroup):
 
@@ -541,7 +538,7 @@ class CyclesRenderSettings(bpy.types.PropertyGroup):
         description="Camera to use as reference point when subdividing geometry, useful to avoid crawling "
         "artifacts in animations when the scene camera is moving",
         type=bpy.types.Object,
-        poll=poll_object_is_camera,
+        poll=lambda self, obj: obj.type == 'CAMERA',
     )
     offscreen_dicing_scale: FloatProperty(
         name="Offscreen Dicing Scale",

release/scripts/startup/bl_operators/wm.py

@@ -860,7 +860,9 @@ class WM_OT_url_open_preset(Operator):
 
     type: EnumProperty(
         name="Site",
-        items=WM_OT_url_open_preset._preset_items,
+        items=lambda self, _context: (
+            item for (item, _) in WM_OT_url_open_preset.preset_items
+        ),
     )
 
     id: StringProperty(
@@ -915,10 +917,6 @@ class WM_OT_url_open_preset(Operator):
          "https://www.blender.org/about/credits/"),
     ]
 
-    @staticmethod
-    def _preset_items(_self, _context):
-        return (item for (item, _) in WM_OT_url_open_preset.preset_items)
-
     def execute(self, context):
         url = None
         type = self.type
@@ -1220,14 +1218,11 @@ class WM_OT_properties_edit(Operator):
     )
     subtype: EnumProperty(
         name="Subtype",
-        items=WM_OT_properties_edit._subtype_items_fn,
+        items=lambda self, _context: WM_OT_properties_edit.subtype_items,
     )
 
     subtype_items = rna_vector_subtype_items
 
-    def _subtype_items_fn(_self, _context):
-        return WM_OT_properties_edit.subtype_items
-
     def _init_subtype(self, prop_type, is_array, subtype):
         subtype = subtype or 'NONE'
         subtype_items = rna_vector_subtype_items