Cleanup: single/double quote use in scripts

scripts/modules/blend_render_info.py

@@ -116,7 +116,7 @@ def _read_blend_rend_chunk_from_file(blendfile, filepath):
 
             scene_name = scene_name[:scene_name.index(b'\0')]
             # It's possible old blend files are not UTF8 compliant, use `surrogateescape`.
-            scene_name = scene_name.decode("utf8", errors='surrogateescape')
+            scene_name = scene_name.decode("utf8", errors="surrogateescape")
 
             scenes.append((start_frame, end_frame, scene_name))
 

scripts/modules/graphviz_export.py

@@ -27,8 +27,8 @@ def compat_str(text, line_length=0):
             text_ls.append(text)
         text = '\n  '.join(text_ls)
 
-    # text = text.replace('.', '.\n')
+    # text = text.replace(".", ".\n")
-    # text = text.replace(']', ']\n')
+    # text = text.replace("]", "]\n")
     text = text.replace("\n", "\\n")
     text = text.replace('"', '\\"')
     return text

scripts/startup/bl_operators/node.py

@@ -295,7 +295,7 @@ class NodeInterfaceOperator():
 
 
 class NODE_OT_interface_item_new(NodeInterfaceOperator, Operator):
-    '''Add a new item to the interface'''
+    """Add a new item to the interface"""
     bl_idname = "node.interface_item_new"
     bl_label = "New Item"
     bl_options = {'REGISTER', 'UNDO'}
@@ -361,7 +361,7 @@ class NODE_OT_interface_item_new(NodeInterfaceOperator, Operator):
 
 
 class NODE_OT_interface_item_duplicate(NodeInterfaceOperator, Operator):
-    '''Add a copy of the active item to the interface'''
+    """Add a copy of the active item to the interface"""
     bl_idname = "node.interface_item_duplicate"
     bl_label = "Duplicate Item"
     bl_options = {'REGISTER', 'UNDO'}
@@ -390,7 +390,7 @@ class NODE_OT_interface_item_duplicate(NodeInterfaceOperator, Operator):
 
 
 class NODE_OT_interface_item_remove(NodeInterfaceOperator, Operator):
-    '''Remove active item from the interface'''
+    """Remove active item from the interface"""
     bl_idname = "node.interface_item_remove"
     bl_label = "Remove Item"
     bl_options = {'REGISTER', 'UNDO'}

scripts/startup/bl_ui/properties_data_armature.py

@@ -398,7 +398,7 @@ class POSE_MT_selection_set_create(Menu):
 
 
 class POSE_MT_selection_sets_select(Menu):
-    bl_label = 'Select Selection Set'
+    bl_label = "Select Selection Set"
 
     @classmethod
     def poll(cls, context):

scripts/startup/bl_ui/space_properties.py

@@ -119,7 +119,7 @@ class PropertiesAnimationMixin:
             class_list = [c.__name__ for c in cls.mro()]
             print("PropertiesAnimationMixin: no animatable data-block, this is a bug "
                   "in one of these classes: {!r}".format(class_list))
-            layout.label(text='No animatable data-block, please report as bug', icon='ERROR')
+            layout.label(text="No animatable data-block, please report as bug", icon='ERROR')
             return
 
         layout.template_action(animated_id, new="action.new", unlink="action.unlink")

scripts/startup/bl_ui/space_userpref.py

@@ -694,7 +694,7 @@ class USERPREF_PT_system_display_graphics(SystemPanel, CenterAlignMixIn, Panel):
 
         import gpu
         if system.gpu_backend != gpu.platform.backend_type_get():
-            layout.label(text="A restart of Blender is required", icon="INFO")
+            layout.label(text="A restart of Blender is required", icon='INFO')
 
         if system.gpu_backend == gpu.platform.backend_type_get() == 'VULKAN':
             col = layout.column()
@@ -702,9 +702,9 @@ class USERPREF_PT_system_display_graphics(SystemPanel, CenterAlignMixIn, Panel):
 
         if system.gpu_backend == 'VULKAN':
             col = layout.column()
-            col.label(text="The Vulkan backend is experimental:", icon="INFO")
+            col.label(text="The Vulkan backend is experimental:", icon='INFO')
-            col.label(text="\u2022 OpenXR and GPU subdivision are not supported", icon="BLANK1")
+            col.label(text="\u2022 OpenXR and GPU subdivision are not supported", icon='BLANK1')
-            col.label(text="\u2022 Expect reduced performance", icon="BLANK1")
+            col.label(text="\u2022 Expect reduced performance", icon='BLANK1')
 
 
 class USERPREF_PT_system_os_settings(SystemPanel, CenterAlignMixIn, Panel):

scripts/startup/bl_ui/space_view3d.py

@@ -979,7 +979,7 @@ class VIEW3D_HT_header(Header):
 
             layout.popover(
                 panel="VIEW3D_PT_sculpt_snapping",
-                icon="SNAP_INCREMENT",
+                icon='SNAP_INCREMENT',
                 text="",
                 translate=False,
             )
@@ -1001,7 +1001,7 @@ class VIEW3D_HT_header(Header):
 
             layout.popover(
                 panel="VIEW3D_PT_sculpt_snapping",
-                icon="SNAP_INCREMENT",
+                icon='SNAP_INCREMENT',
                 text="",
                 translate=False,
             )
@@ -1366,9 +1366,11 @@ class VIEW3D_MT_mirror(Menu):
 
         for (space_name, space_id) in (("Global", 'GLOBAL'), ("Local", 'LOCAL')):
             for axis_index, axis_name in enumerate("XYZ"):
-                props = layout.operator("transform.mirror",
+                props = layout.operator(
-                                        text="{:s} {:s}".format(axis_name, iface_(space_name)),
+                    "transform.mirror",
-                                        translate=False)
+                    text="{:s} {:s}".format(axis_name, iface_(space_name)),
+                    translate=False,
+                )
                 props.constraint_axis[axis_index] = True
                 props.orient_type = space_id
 
@@ -1765,7 +1767,7 @@ class VIEW3D_MT_select_pose(Menu):
 
         layout.separator()
 
-        layout.menu('POSE_MT_selection_sets_select', text="Bone Selection Set")
+        layout.menu("POSE_MT_selection_sets_select", text="Bone Selection Set")
         layout.operator("pose.select_constraint_target", text="Constraint Target")
 
 

scripts/templates_py/background_job.py

@@ -10,10 +10,10 @@
 #          --save="/tmp/hello.blend"
 #
 # Notice:
-# '--factory-startup' is used to avoid the user default settings from
+# `--factory-startup` is used to avoid the user default settings from
 #                     interfering with automated scene generation.
 #
-# '--' causes blender to ignore all following arguments so python can use them.
+# `--` causes blender to ignore all following arguments so python can use them.
 #
 # See blender --help for details.
 

scripts/templates_py/gizmo_custom_geometry.py

@@ -125,7 +125,7 @@ class MyCustomShapeWidgetGroup(GizmoGroup):
         return (ob and ob.type == 'LIGHT')
 
     def setup(self, context):
-        # Assign the 'offset' target property to the light energy.
+        # Assign the `offset` target property to the light energy.
         ob = context.object
         gz = self.gizmos.new(MyCustomShapeWidget.bl_idname)
         gz.target_set_prop("offset", ob.data, "energy")

scripts/templates_py/gizmo_simple.py

@@ -23,7 +23,7 @@ class MyLightWidgetGroup(GizmoGroup):
         return (ob and ob.type == 'LIGHT')
 
     def setup(self, context):
-        # Arrow gizmo has one 'offset' property we can assign to the light energy.
+        # Arrow gizmo has one `offset` property we can assign to the light energy.
         ob = context.object
         gz = self.gizmos.new("GIZMO_GT_arrow_3d")
         gz.target_set_prop("offset", ob.data, "energy")

tools/utils_maintenance/blender_update_themes.py

@@ -34,13 +34,13 @@ def update(filepath):
 
 def update_default(filepath):
     with open(filepath, 'w', encoding='utf-8') as fh:
-        fh.write('''<bpy>
+        fh.write("""<bpy>
   <Theme>
   </Theme>
   <ThemeStyle>
   </ThemeStyle>
 </bpy>
-''')
+""")
 
 
 def main():