Cleanup: unused Python variables & imports

Referenced by issue #96520, Regression: Node editor: Tweak is broken and requires click, then click again to drag
Referenced by issue #96255, Node socket click detection is broken in some cases
Referenced by issue #96151, Slow Blender Startup (Not responding + grey screen)

doc/manpage/blender.1.py

@@ -16,7 +16,6 @@ and <output-filename> is where to write the generated man page.
 import argparse
 import os
 import subprocess
-import sys
 import time
 
 from typing import (

intern/cycles/blender/addon/properties.py

@@ -216,7 +216,6 @@ enum_direct_light_sampling_type = (
 )
 
 def update_render_passes(self, context):
-    scene = context.scene
     view_layer = context.view_layer
     view_layer.update_render_passes()
 
@@ -1353,7 +1352,7 @@ class CyclesPreferences(bpy.types.AddonPreferences):
         items=CyclesPreferences.get_device_types,
     )
 
-    devices: bpy.props.CollectionProperty(type=CyclesDeviceSettings)
+    devices: CollectionProperty(type=CyclesDeviceSettings)
 
     peer_memory: BoolProperty(
         name="Distribute memory across devices",

intern/cycles/blender/addon/version_update.py

@@ -5,7 +5,6 @@
 from __future__ import annotations
 
 import bpy
-import math
 
 from bpy.app.handlers import persistent
 

release/scripts/modules/bpy_extras/io_utils.py

@@ -344,7 +344,6 @@ def create_derived_objects(depsgraph, objects):
     :rtype: dict
     """
     result = {}
-    has_instancer = False
     for ob in objects:
         ob_parent = ob.parent
         if ob_parent and ob_parent.instance_type in {'VERTS', 'FACES'}:

release/scripts/modules/rna_xml.py

@@ -250,19 +250,19 @@ def xml2rna(
                 value_xml = xml_node.attributes[attr].value
 
                 subvalue_type = type(subvalue)
-                tp_name = 'UNKNOWN'
+                # tp_name = 'UNKNOWN'
                 if subvalue_type == float:
                     value_xml_coerce = float(value_xml)
-                    tp_name = 'FLOAT'
+                    # tp_name = 'FLOAT'
                 elif subvalue_type == int:
                     value_xml_coerce = int(value_xml)
-                    tp_name = 'INT'
+                    # tp_name = 'INT'
                 elif subvalue_type == bool:
                     value_xml_coerce = {'TRUE': True, 'FALSE': False}[value_xml]
-                    tp_name = 'BOOL'
+                    # tp_name = 'BOOL'
                 elif subvalue_type == str:
                     value_xml_coerce = value_xml
-                    tp_name = 'STR'
+                    # tp_name = 'STR'
                 elif hasattr(subvalue, "__len__"):
                     if value_xml.startswith("#"):
                         # read hexadecimal value as float array
@@ -280,7 +280,7 @@ def xml2rna(
                             except ValueError:  # bool vector property
                                 value_xml_coerce = [{'TRUE': True, 'FALSE': False}[v] for v in value_xml_split]
                         del value_xml_split
-                    tp_name = 'ARRAY'
+                    # tp_name = 'ARRAY'
 
                     # print("  %s.%s (%s) --- %s" % (type(value).__name__, attr, tp_name, subvalue_type))
                 try:

release/scripts/presets/keyconfig/keymap_data/industry_compatible_data.py

@@ -4173,7 +4173,7 @@ def keymap_transform_tool_mmb(keymap):
         r".*\bSelect Lasso$|"
         r".*\bTweak$)",
     )
-    for km_name, km_args, km_content in keymap:
+    for km_name, _km_args, km_content in keymap:
         if re_fallback_tool.match(km_name):
             km_items = km_content["items"]
             km_items_new = []

release/scripts/startup/bl_ui/space_filebrowser.py

@@ -694,9 +694,6 @@ class ASSETBROWSER_PT_metadata(asset_utils.AssetBrowserPanel, Panel):
             layout.label(text="No active asset", icon='INFO')
             return
 
-        asset_library_ref = context.asset_library_ref
-        asset_lib_path = bpy.types.AssetHandle.get_full_library_path(asset_file_handle, asset_library_ref)
-
         prefs = context.preferences
         show_asset_debug_info = prefs.view.show_developer_ui and prefs.experimental.show_asset_debug_info
 

release/scripts/startup/bl_ui/space_image.py

@@ -759,7 +759,6 @@ class IMAGE_HT_header(Header):
         ima = sima.image
         iuser = sima.image_user
         tool_settings = context.tool_settings
-        show_region_tool_header = sima.show_region_tool_header
 
         show_render = sima.show_render
         show_uvedit = sima.show_uvedit
@@ -772,8 +771,6 @@ class IMAGE_HT_header(Header):
 
         # UV editing.
         if show_uvedit:
-            uvedit = sima.uv_editor
-
             layout.prop(tool_settings, "use_uv_select_sync", text="")
 
             if tool_settings.use_uv_select_sync:
@@ -781,15 +778,15 @@ class IMAGE_HT_header(Header):
             else:
                 row = layout.row(align=True)
                 uv_select_mode = tool_settings.uv_select_mode[:]
-                row.operator("uv.select_mode", text="", icon='UV_VERTEXSEL', 
+                row.operator("uv.select_mode", text="", icon='UV_VERTEXSEL',
                              depress=(uv_select_mode == 'VERTEX')).type = 'VERTEX'
-                row.operator("uv.select_mode", text="", icon='UV_EDGESEL', 
+                row.operator("uv.select_mode", text="", icon='UV_EDGESEL',
                              depress=(uv_select_mode == 'EDGE')).type = 'EDGE'
-                row.operator("uv.select_mode", text="", icon='UV_FACESEL', 
+                row.operator("uv.select_mode", text="", icon='UV_FACESEL',
                              depress=(uv_select_mode == 'FACE')).type = 'FACE'
-                row.operator("uv.select_mode", text="", icon='UV_ISLANDSEL', 
+                row.operator("uv.select_mode", text="", icon='UV_ISLANDSEL',
                              depress=(uv_select_mode == 'ISLAND')).type = 'ISLAND'
-                
+
                 layout.prop(tool_settings, "uv_sticky_select_mode", icon_only=True)
 
         IMAGE_MT_editor_menus.draw_collapsible(context, layout)
@@ -817,8 +814,6 @@ class IMAGE_HT_header(Header):
         sub.popover(panel="IMAGE_PT_overlay", text="")
 
         if show_uvedit:
-            uvedit = sima.uv_editor
-
             mesh = context.edit_object.data
             layout.prop_search(mesh.uv_layers, "active", mesh, "uv_layers", text="")
 

release/scripts/startup/bl_ui/space_outliner.py

@@ -311,8 +311,6 @@ class OUTLINER_MT_asset(Menu):
     def draw(self, context):
         layout = self.layout
 
-        space = context.space_data
-
         layout.operator("asset.mark")
         layout.operator("asset.clear", text="Clear Asset").set_fake_user = False
         layout.operator("asset.clear", text="Clear Asset (Set Fake User)").set_fake_user = True

release/scripts/startup/bl_ui/space_sequencer.py

@@ -130,7 +130,7 @@ class SEQUENCER_HT_tool_header(Header):
     bl_region_type = 'TOOL_HEADER'
 
     def draw(self, context):
-        layout = self.layout
+        # layout = self.layout
 
         self.draw_tool_settings(context)
 
@@ -241,7 +241,6 @@ class SEQUENCER_PT_gizmo_display(Panel):
     def draw(self, context):
         layout = self.layout
 
-        scene = context.scene
         st = context.space_data
 
         col = layout.column()
@@ -555,7 +554,7 @@ class SEQUENCER_MT_select(Menu):
     def draw(self, context):
         layout = self.layout
         st = context.space_data
-        has_sequencer, has_preview = _space_view_types(st)
+        has_sequencer, _has_preview = _space_view_types(st)
 
         layout.operator("sequencer.select_all", text="All").action = 'SELECT'
         layout.operator("sequencer.select_all", text="None").action = 'DESELECT'
@@ -891,7 +890,7 @@ class SEQUENCER_MT_strip(Menu):
     def draw(self, context):
         layout = self.layout
         st = context.space_data
-        has_sequencer, has_preview = _space_view_types(st)
+        has_sequencer, _has_preview = _space_view_types(st)
 
         layout.menu("SEQUENCER_MT_strip_transform")
         layout.separator()
@@ -1134,7 +1133,6 @@ class SEQUENCER_MT_pivot_pie(Menu):
         layout = self.layout
         pie = layout.menu_pie()
 
-        tool_settings = context.tool_settings
         sequencer_tool_settings = context.tool_settings.sequencer_tool_settings
 
         pie.prop_enum(sequencer_tool_settings, "pivot_point", value='CENTER')

release/scripts/startup/bl_ui/space_toolsystem_toolbar.py

@@ -1065,11 +1065,8 @@ class _defs_edit_mesh:
             show_extra = False
             props = tool.operator_properties("mesh.knife_tool")
             if not extra:
-                row = layout.row()
                 layout.prop(props, "use_occlude_geometry")
-                row = layout.row()
                 layout.prop(props, "only_selected")
-                row = layout.row()
                 layout.prop(props, "xray")
                 region_is_header = bpy.context.region.type == 'TOOL_HEADER'
                 if region_is_header:

release/scripts/startup/bl_ui/space_topbar.py

@@ -796,7 +796,6 @@ class TOPBAR_PT_name(Panel):
             return row
 
         mode = context.mode
-        scene = context.scene
         space = context.space_data
         space_type = None if (space is None) else space.type
         found = False

tests/python/bl_mesh_validate.py

@@ -7,7 +7,6 @@
 
 import bpy
 
-import sys
 import random