Cleanup: double quotes for non-enum strings

Also use back-ticks for code-references in comments.

doc/manpage/blender.1.py

@@ -1,7 +1,7 @@
 #!/usr/bin/env python3
 # SPDX-License-Identifier: GPL-2.0-or-later
 
-'''
+"""
 This script generates the blender.1 man page, embedding the help text
 from the Blender executable itself. Invoke it as follows:
 
@@ -9,7 +9,7 @@ from the Blender executable itself. Invoke it as follows:
 
 where <path-to-blender> is the path to the Blender executable,
 and <output-filename> is where to write the generated man page.
-'''
+"""
 
 import argparse
 import os
@@ -87,29 +87,29 @@ def man_page_from_blender_help(fh: TextIO, blender_bin: str, verbose: bool) -> N
         (blender_info["date"], blender_info["version"].replace(".", "\\&."))
     )
 
-    fh.write(r'''
+    fh.write(r"""
 .SH NAME
-blender \- a full-featured 3D application''')
+blender \- a full-featured 3D application""")
 
-    fh.write(r'''
+    fh.write(r"""
 .SH SYNOPSIS
-.B blender [args ...] [file] [args ...]''')
+.B blender [args ...] [file] [args ...]""")
 
-    fh.write(r'''
+    fh.write(r"""
 .br
 .SH DESCRIPTION
 .PP
 .B blender
-is a full-featured 3D application. It supports the entirety of the 3D pipeline - '''
+is a full-featured 3D application. It supports the entirety of the 3D pipeline - """
-             '''modeling, rigging, animation, simulation, rendering, compositing, motion tracking, and video editing.
+             """modeling, rigging, animation, simulation, rendering, compositing, motion tracking, and video editing.
 
-Use Blender to create 3D images and animations, films and commercials, content for games, '''
+Use Blender to create 3D images and animations, films and commercials, content for games, """
-             r'''architectural and industrial visualizations, and scientific visualizations.
+             r"""architectural and industrial visualizations, and scientific visualizations.
 
-https://www.blender.org''')
+https://www.blender.org""")
 
-    fh.write(r'''
+    fh.write(r"""
-.SH OPTIONS''')
+.SH OPTIONS""")
 
     fh.write("\n\n")
 
@@ -152,7 +152,7 @@ https://www.blender.org''')
 
     # Footer Content.
 
-    fh.write(r'''
+    fh.write(r"""
 .br
 .SH SEE ALSO
 .B luxrender(1)
@@ -162,7 +162,7 @@ https://www.blender.org''')
 This manpage was written for a Debian GNU/Linux system by Daniel Mester
 <mester@uni-bremen.de> and updated by Cyril Brulebois
 <cyril.brulebois@enst-bretagne.fr> and Dan Eicher <dan@trollwerks.org>.
-''')
+""")
 
 
 def create_argparse() -> argparse.ArgumentParser:

scripts/modules/bl_app_template_utils.py

@@ -149,7 +149,7 @@ def activate(*, template_id=None, reload_scripts=False):
     template_id_prev = _app_template["id"]
 
     # not needed but may as well avoids redundant
-    # disable/enable for all add-ons on 'File -> New'
+    # disable/enable for all add-ons on "File -> New".
     if not reload_scripts and template_id_prev == template_id:
         return
 

scripts/modules/bl_console_utils/autocomplete/complete_namespace.py

@@ -16,12 +16,12 @@ TEMP_N = len(TEMP)
 
 def is_dict(obj):
     """Returns whether obj is a dictionary"""
-    return hasattr(obj, 'keys') and hasattr(getattr(obj, 'keys'), '__call__')
+    return hasattr(obj, "keys") and hasattr(getattr(obj, "keys"), "__call__")
 
 
 def is_struct_seq(obj):
     """Returns whether obj is a structured sequence subclass: sys.float_info"""
-    return isinstance(obj, tuple) and hasattr(obj, 'n_fields')
+    return isinstance(obj, tuple) and hasattr(obj, "n_fields")
 
 
 def complete_names(word, namespace):

scripts/modules/bl_i18n_utils/bl_extract_messages.py

@@ -340,7 +340,7 @@ def dump_rna_messages(msgs, reports, settings, verbose=False):
         msgctxt = bl_rna.translation_context or default_context
 
         if bl_rna.name and (bl_rna.name != bl_rna.identifier or
-                            (msgctxt != default_context and not hasattr(bl_rna, 'bl_label'))):
+                            (msgctxt != default_context and not hasattr(bl_rna, "bl_label"))):
             process_msg(msgs, msgctxt, bl_rna.name, msgsrc, reports, check_ctxt_rna, settings)
 
         if bl_rna.description:
@@ -349,14 +349,14 @@ def dump_rna_messages(msgs, reports, settings, verbose=False):
             process_msg(msgs, default_context, cls.__doc__, msgsrc, reports, check_ctxt_rna_tip, settings)
 
         # Panels' "tabs" system.
-        if hasattr(bl_rna, 'bl_category') and bl_rna.bl_category:
+        if hasattr(bl_rna, "bl_category") and bl_rna.bl_category:
             process_msg(msgs, default_context, bl_rna.bl_category, msgsrc, reports, check_ctxt_rna, settings)
 
-        if hasattr(bl_rna, 'bl_label') and bl_rna.bl_label:
+        if hasattr(bl_rna, "bl_label") and bl_rna.bl_label:
             process_msg(msgs, msgctxt, bl_rna.bl_label, msgsrc, reports, check_ctxt_rna, settings)
 
         # Tools Panels definitions.
-        if hasattr(bl_rna, 'tools_all') and bl_rna.tools_all:
+        if hasattr(bl_rna, "tools_all") and bl_rna.tools_all:
             walk_tools_definitions(cls)
 
         walk_properties(cls)
@@ -472,7 +472,7 @@ def dump_rna_messages(msgs, reports, settings, verbose=False):
 ##### Python source code #####
 def dump_py_messages_from_files(msgs, reports, files, settings):
     """
-    Dump text inlined in the python files given, e.g. 'My Name' in:
+    Dump text inlined in the python files given, e.g. "My Name" in:
         layout.prop("someprop", text="My Name")
     """
     import ast

scripts/modules/bl_i18n_utils/utils.py

@@ -473,7 +473,7 @@ class I18nMessages:
 
     @staticmethod
     def _new_messages():
-        return getattr(collections, 'OrderedDict', dict)()
+        return getattr(collections, "OrderedDict", dict)()
 
     @classmethod
     def gen_empty_messages(cls, uid, blender_ver, blender_hash, time, year, default_copyright=True, settings=settings):

scripts/modules/bl_i18n_utils/utils_cli.py

@@ -131,7 +131,7 @@ def main():
     settings = settings_i18n.I18nSettings()
     settings.load(args.settings)
 
-    if getattr(args, 'template', None) is not None:
+    if getattr(args, "template", None) is not None:
         settings.FILE_NAME_POT = args.template
 
     args.func(args=args, settings=settings)

scripts/modules/bl_keymap_utils/versioning.py

@@ -24,7 +24,7 @@ def keyconfig_update(keyconfig_data, keyconfig_version):
         for _km_name, _km_parms, km_items_data in keyconfig_data:
             for (_item_op, item_event, _item_prop) in km_items_data["items"]:
                 if item_event.get("value") == 'PRESS':
-                    # Unfortunately we don't know the 'map_type' at this point.
+                    # Unfortunately we don't know the `map_type` at this point.
                     # Setting repeat true on other kinds of events is harmless.
                     item_event["repeat"] = True
 

scripts/modules/bl_previews_utils/bl_previews_render.py

@@ -68,7 +68,7 @@ def do_previews(do_objects, do_collections, do_scenes, do_data_intern):
         if engine == '__SCENE':
             backup_scene, backup_world, backup_camera, backup_light, backup_camera_data, backup_light_data = [()] * 6
             scene = bpy.context.window.scene
-            exclude_props = {('world',), ('camera',), ('tool_settings',), ('preview',)}
+            exclude_props = {("world",), ("camera",), ("tool_settings",), ("preview",)}
             backup_scene = tuple(rna_backup_gen(scene, exclude_props=exclude_props))
             world = scene.world
             camera = scene.camera
@@ -343,7 +343,7 @@ def do_previews(do_objects, do_collections, do_scenes, do_data_intern):
                 ob.hide_render = False
             bpy.context.view_layer.update()
 
-            preview_render_do(render_context, 'objects', root.name, objects)
+            preview_render_do(render_context, "objects", root.name, objects)
 
             # XXX Hyper Super Uber Suspicious Hack!
             #     Without this, on windows build, script excepts with following message:
@@ -390,7 +390,7 @@ def do_previews(do_objects, do_collections, do_scenes, do_data_intern):
 
             offset_matrix = Matrix.Translation(grp.instance_offset).inverted()
 
-            preview_render_do(render_context, 'collections', grp.name, objects, offset_matrix)
+            preview_render_do(render_context, "collections", grp.name, objects, offset_matrix)
 
             scene = bpy.data.scenes[render_context.scene, None]
             scene.collection.objects.unlink(bpy.data.objects[grp_obname, None])
@@ -413,7 +413,7 @@ def do_previews(do_objects, do_collections, do_scenes, do_data_intern):
                 objects = tuple((ob.name, ob.library.filepath if ob.library else None) for ob in scene.objects
                                 if (not ob.hide_render) and (ob.type in OBJECT_TYPES_RENDER))
 
-            preview_render_do(render_context, 'scenes', scene.name, objects)
+            preview_render_do(render_context, "scenes", scene.name, objects)
 
             if not render_context_delete(render_context):
                 do_save = False

scripts/modules/bpy/utils/__init__.py

@@ -292,7 +292,7 @@ def load_scripts(*, reload_scripts=False, refresh_scripts=False):
                 if _os.path.isdir(path):
                     _sys_path_ensure_prepend(path)
 
-                    # Only add to 'sys.modules' unless this is 'startup'.
+                    # Only add to `sys.modules` unless this is 'startup'.
                     if path_subdir == "startup":
                         for mod in modules_from_path(path, loaded_modules):
                             test_register(mod)

scripts/modules/bpy_extras/io_utils.py

@@ -122,7 +122,7 @@ def orientation_helper(axis_forward='Y', axis_up='Z'):
                     'XYZ'[('XYZ'.index(self.axis_up[-1]) + 1) % 3]
                 )
 
-        cls.__annotations__['axis_forward'] = EnumProperty(
+        cls.__annotations__["axis_forward"] = EnumProperty(
             name="Forward",
             items=(
                 ('X', "X Forward", ""),
@@ -143,7 +143,7 @@ def orientation_helper(axis_forward='Y', axis_up='Z'):
                     'XYZ'[('XYZ'.index(self.axis_forward[-1]) + 1) % 3]
                 )
 
-        cls.__annotations__['axis_up'] = EnumProperty(
+        cls.__annotations__["axis_up"] = EnumProperty(
             name="Up",
             items=(
                 ('X', "X Up", ""),

scripts/modules/bpy_extras/node_shader_utils.py

@@ -372,7 +372,7 @@ class PrincipledBSDFWrapper(ShaderWrapper):
             self, self.node_principled_bsdf,
             self.node_principled_bsdf.inputs["Metallic"],
             grid_row_diff=0,
-            colorspace_name='Non-Color',
+            colorspace_name="Non-Color",
         )
 
     metallic_texture = property(metallic_texture_get)
@@ -784,32 +784,32 @@ class ShaderImageTextureWrapper():
     def translation_get(self):
         if self.node_mapping is None:
             return Vector((0.0, 0.0, 0.0))
-        return self.node_mapping.inputs['Location'].default_value
+        return self.node_mapping.inputs["Location"].default_value
 
     @_set_check
     def translation_set(self, translation):
-        self.node_mapping.inputs['Location'].default_value = translation
+        self.node_mapping.inputs["Location"].default_value = translation
 
     translation = property(translation_get, translation_set)
 
     def rotation_get(self):
         if self.node_mapping is None:
             return Vector((0.0, 0.0, 0.0))
-        return self.node_mapping.inputs['Rotation'].default_value
+        return self.node_mapping.inputs["Rotation"].default_value
 
     @_set_check
     def rotation_set(self, rotation):
-        self.node_mapping.inputs['Rotation'].default_value = rotation
+        self.node_mapping.inputs["Rotation"].default_value = rotation
 
     rotation = property(rotation_get, rotation_set)
 
     def scale_get(self):
         if self.node_mapping is None:
             return Vector((1.0, 1.0, 1.0))
-        return self.node_mapping.inputs['Scale'].default_value
+        return self.node_mapping.inputs["Scale"].default_value
 
     @_set_check
     def scale_set(self, scale):
-        self.node_mapping.inputs['Scale'].default_value = scale
+        self.node_mapping.inputs["Scale"].default_value = scale
 
     scale = property(scale_get, scale_set)

scripts/modules/bpy_extras/wm_utils/progress_report.py

@@ -26,10 +26,10 @@ class ProgressReport:
                 progress.leave_substeps()  # No need to step here, this implicitly does it.
             progress.leave_substeps("Finished!")  # You may pass some message too.
     """
-    __slots__ = ('wm', 'running', 'steps', 'curr_step', 'start_time')
+    __slots__ = ("wm", "running", "steps", "curr_step", "start_time")
 
     def __init__(self, wm=None):
-        self_wm = getattr(self, 'wm', None)
+        self_wm = getattr(self, "wm", None)
         if self_wm:
             self.finalize()
         self.running = False
@@ -117,11 +117,11 @@ class ProgressReportSubstep:
                         for j in range(100):
                             subprogress2.step()
     """
-    __slots__ = ('progress', 'nbr', 'msg', 'final_msg', 'level')
+    __slots__ = ("progress", "nbr", "msg", "final_msg", "level")
 
     def __init__(self, progress, nbr, msg="", final_msg=""):
         # Allows to generate a subprogress context handler from another one.
-        progress = getattr(progress, 'progress', progress)
+        progress = getattr(progress, "progress", progress)
 
         self.progress = progress
         self.nbr = nbr

scripts/modules/bpy_types.py

@@ -440,7 +440,7 @@ class _GenericBone:
     def _other_bones(self):
         id_data = self.id_data
 
-        # `id_data` is an 'Object' for `PosePone`, otherwise it's an `Armature`.
+        # `id_data` is an `Object` for `PosePone`, otherwise it's an `Armature`.
         if isinstance(self, PoseBone):
             return id_data.pose.bones
         if isinstance(self, EditBone):
@@ -688,7 +688,7 @@ class RNAMetaPropGroup(StructMetaPropGroup, RNAMeta):
     pass
 
 
-# Same as 'Operator'
+# Same as `Operator`.
 # only without 'as_keywords'
 class Gizmo(StructRNA):
     __slots__ = ()

scripts/modules/graphviz_export.py

@@ -91,7 +91,7 @@ def graph_armature(obj, filepath, FAKE_PARENT=True, CONSTRAINTS=True, DRIVERS=Tr
             parent_name = parent.name
             connected = bone.use_connect
         elif FAKE_PARENT:
-            parent_name = 'Object::%s' % obj.name
+            parent_name = "Object::%s" % obj.name
             connected = False
         else:
             continue

scripts/modules/keyingsets_utils.py

@@ -93,7 +93,7 @@ def RKS_ITER_selected_bones(ksi, context, ks):
 # Generate Callbacks
 
 
-# 'Available' F-Curves
+# "Available" F-Curves.
 def RKS_GEN_available(_ksi, _context, ks, data):
     # try to get the animation data associated with the closest
     # ID-block to the data (neither of which may exist/be easy to find)

scripts/modules/rna_info.py

@@ -735,7 +735,7 @@ def BuildRNAInfo():
                     i += 1
 
                 if not ok:
-                    print('Dependancy "%s" could not be found for "%s"' % (identifier, rna_base))
+                    print("Dependency \"%s\" could not be found for \"%s\"" % (identifier, rna_base))
 
                 break
 

scripts/startup/bl_operators/freestyle.py

@@ -121,7 +121,7 @@ class SCENE_OT_freestyle_fill_range_by_selection(Operator):
 
 
 class SCENE_OT_freestyle_add_edge_marks_to_keying_set(Operator):
-    '''Add the data paths to the Freestyle Edge Mark property of selected edges to the active keying set'''
+    """Add the data paths to the Freestyle Edge Mark property of selected edges to the active keying set"""
     bl_idname = "scene.freestyle_add_edge_marks_to_keying_set"
     bl_label = "Add Edge Marks to Keying Set"
     bl_options = {'UNDO'}
@@ -152,7 +152,7 @@ class SCENE_OT_freestyle_add_edge_marks_to_keying_set(Operator):
 
 
 class SCENE_OT_freestyle_add_face_marks_to_keying_set(Operator):
-    '''Add the data paths to the Freestyle Face Mark property of selected polygons to the active keying set'''
+    """Add the data paths to the Freestyle Face Mark property of selected polygons to the active keying set"""
     bl_idname = "scene.freestyle_add_face_marks_to_keying_set"
     bl_label = "Add Face Marks to Keying Set"
     bl_options = {'UNDO'}

scripts/startup/bl_operators/node.py

@@ -24,7 +24,7 @@ class NodeSetting(PropertyGroup):
     )
 
 
-# Base class for node 'Add' operators
+# Base class for node "Add" operators.
 class NodeAddOperator:
 
     type: StringProperty(
@@ -141,14 +141,14 @@ class NodeAddOperator:
 
 # Simple basic operator for adding a node
 class NODE_OT_add_node(NodeAddOperator, Operator):
-    '''Add a node to the active tree'''
+    """Add a node to the active tree"""
     bl_idname = "node.add_node"
     bl_label = "Add Node"
     bl_options = {'REGISTER', 'UNDO'}
 
 
 class NODE_OT_collapse_hide_unused_toggle(Operator):
-    '''Toggle collapsed nodes and hide unused sockets'''
+    """Toggle collapsed nodes and hide unused sockets"""
     bl_idname = "node.collapse_hide_unused_toggle"
     bl_label = "Collapse and Hide Unused Sockets"
     bl_options = {'REGISTER', 'UNDO'}
@@ -179,7 +179,7 @@ class NODE_OT_collapse_hide_unused_toggle(Operator):
 
 
 class NODE_OT_tree_path_parent(Operator):
-    '''Go to parent node tree'''
+    """Go to parent node tree"""
     bl_idname = "node.tree_path_parent"
     bl_label = "Parent Node Tree"
     bl_options = {'REGISTER', 'UNDO'}

scripts/startup/bl_operators/object_quick_effects.py

@@ -317,7 +317,7 @@ class QuickExplode(ObjectModeOperator, Operator):
                         node_out_mat = node
                         break
 
-                node_surface = node_out_mat.inputs['Surface'].links[0].from_node
+                node_surface = node_out_mat.inputs["Surface"].links[0].from_node
 
                 node_x = node_surface.location[0]
                 node_y = node_surface.location[1] - 400
@@ -326,7 +326,7 @@ class QuickExplode(ObjectModeOperator, Operator):
                 node_mix = nodes.new('ShaderNodeMixShader')
                 node_mix.location = (node_x - offset_x, node_y)
                 mat.node_tree.links.new(node_surface.outputs[0], node_mix.inputs[1])
-                mat.node_tree.links.new(node_mix.outputs["Shader"], node_out_mat.inputs['Surface'])
+                mat.node_tree.links.new(node_mix.outputs["Shader"], node_out_mat.inputs["Surface"])
                 offset_x += 200
 
                 node_trans = nodes.new('ShaderNodeBsdfTransparent')

scripts/startup/bl_operators/presets.py

@@ -96,7 +96,7 @@ class AddPresetBase:
             # Reset preset name
             wm = bpy.data.window_managers[0]
             if name == wm.preset_name:
-                wm.preset_name = data_('New Preset')
+                wm.preset_name = data_("New Preset")
 
             filename = self.as_filename(name)
 

scripts/startup/bl_operators/rigidbody.py

@@ -9,7 +9,7 @@ from bpy.props import (
 
 
 class CopyRigidbodySettings(Operator):
-    '''Copy Rigid Body settings from active object to selected'''
+    """Copy Rigid Body settings from active object to selected"""
     bl_idname = "rigidbody.object_settings_copy"
     bl_label = "Copy Rigid Body Settings"
     bl_options = {'REGISTER', 'UNDO'}
@@ -74,7 +74,7 @@ class CopyRigidbodySettings(Operator):
 
 
 class BakeToKeyframes(Operator):
-    '''Bake rigid body transformations of selected objects to keyframes'''
+    """Bake rigid body transformations of selected objects to keyframes"""
     bl_idname = "rigidbody.bake_to_keyframes"
     bl_label = "Bake to Keyframes"
     bl_options = {'REGISTER', 'UNDO'}
@@ -198,7 +198,7 @@ class BakeToKeyframes(Operator):
 
 
 class ConnectRigidBodies(Operator):
-    '''Create rigid body constraints between selected rigid bodies'''
+    """Create rigid body constraints between selected rigid bodies"""
     bl_idname = "rigidbody.connect"
     bl_label = "Connect Rigid Bodies"
     bl_options = {'REGISTER', 'UNDO'}

scripts/startup/bl_operators/sequencer.py

@@ -166,20 +166,22 @@ class SequencerFadesAdd(Operator):
         name="Fade Duration",
         description="Duration of the fade in seconds",
         default=1.0,
-        min=0.01)
+        min=0.01,
+    )
     type: EnumProperty(
         items=(
-            ('IN_OUT', 'Fade In and Out', 'Fade selected strips in and out'),
+            ('IN_OUT', "Fade In and Out", "Fade selected strips in and out"),
-            ('IN', 'Fade In', 'Fade in selected strips'),
+            ('IN', "Fade In", "Fade in selected strips"),
-            ('OUT', 'Fade Out', 'Fade out selected strips'),
+            ('OUT', "Fade Out", "Fade out selected strips"),
-            ('CURSOR_FROM', 'From Current Frame',
+            ('CURSOR_FROM', "From Current Frame",
-             'Fade from the time cursor to the end of overlapping sequences'),
+             "Fade from the time cursor to the end of overlapping sequences"),
-            ('CURSOR_TO', 'To Current Frame',
+            ('CURSOR_TO', "To Current Frame",
-             'Fade from the start of sequences under the time cursor to the current frame'),
+             "Fade from the start of sequences under the time cursor to the current frame"),
         ),
         name="Fade Type",
         description="Fade in, out, both in and out, to, or from the current frame. Default is both in and out",
-        default='IN_OUT')
+        default='IN_OUT',
+    )
 
     @classmethod
     def poll(cls, context):

scripts/startup/bl_operators/spreadsheet.py

@@ -6,7 +6,7 @@ from bpy.types import Operator
 
 
 class SPREADSHEET_OT_toggle_pin(Operator):
-    '''Turn on or off pinning'''
+    """Turn on or off pinning"""
     bl_idname = "spreadsheet.toggle_pin"
     bl_label = "Toggle Pin"
     bl_options = {'REGISTER'}

scripts/startup/bl_operators/vertexpaint_dirt.py

@@ -129,7 +129,7 @@ from math import pi
 
 
 class VertexPaintDirt(Operator):
-    '''Generate a dirt map gradient based on cavity'''
+    """Generate a dirt map gradient based on cavity"""
     bl_idname = "paint.vertex_color_dirt"
     bl_label = "Dirty Vertex Colors"
     bl_options = {'REGISTER', 'UNDO'}

scripts/startup/bl_ui/properties_object.py

@@ -243,7 +243,7 @@ class OBJECT_PT_instancing(ObjectButtonsPanel, Panel):
     @classmethod
     def poll(cls, context):
         ob = context.object
-        # FONT objects need (vertex) instancing for the 'Object Font' feature
+        # FONT objects need (vertex) instancing for the "Object Font" feature.
         return (ob.type in {'MESH', 'EMPTY', 'FONT'})
 
     def draw(self, context):

scripts/startup/bl_ui/properties_world.py

@@ -103,7 +103,7 @@ class EEVEE_WORLD_PT_surface(WorldButtonsPanel, Panel):
             node = ntree.get_output_node('EEVEE')
 
             if node:
-                input = find_node_input(node, 'Surface')
+                input = find_node_input(node, "Surface")
                 if input:
                     layout.template_node_view(ntree, node, input)
                 else:
@@ -136,7 +136,7 @@ class EEVEE_WORLD_PT_volume(WorldButtonsPanel, Panel):
         layout.use_property_split = True
 
         if node:
-            input = find_node_input(node, 'Volume')
+            input = find_node_input(node, "Volume")
             if input:
                 layout.template_node_view(ntree, node, input)
             else:

scripts/startup/bl_ui/space_clip.py

@@ -752,7 +752,7 @@ class CLIP_PT_track(CLIP_PT_tracking_panel, Panel):
 
         row = layout.row(align=True)
         row.prop(act_track, "use_custom_color", text="")
-        CLIP_PT_track_color_presets.draw_menu(row, iface_('Custom Color Presets'))
+        CLIP_PT_track_color_presets.draw_menu(row, iface_("Custom Color Presets"))
         row.operator("clip.track_copy_color", icon='COPY_ID', text="")
 
         if act_track.use_custom_color:

scripts/startup/bl_ui/space_nla.py

@@ -150,7 +150,7 @@ class NLA_MT_marker(Menu):
 
 
 class NLA_MT_marker_select(Menu):
-    bl_label = 'Select'
+    bl_label = "Select"
 
     def draw(self, _context):
         layout = self.layout

scripts/startup/bl_ui/space_sequencer.py

@@ -1769,7 +1769,7 @@ class SEQUENCER_PT_scene(SequencerButtonsPanel, Panel):
             layout.prop(strip, "use_annotations", text="Annotations")
             if scene:
                 # Warning, this is not a good convention to follow.
-                # Expose here because setting the alpha from the 'Render' menu is very inconvenient.
+                # Expose here because setting the alpha from the "Render" menu is very inconvenient.
                 layout.prop(scene.render, "film_transparent")
 
 

scripts/startup/bl_ui/space_toolsystem_toolbar.py

@@ -2620,7 +2620,7 @@ class IMAGE_PT_tools_active(ToolSelectPanelHelper, Panel):
     bl_label = "Tools"  # not visible
     bl_options = {'HIDE_HEADER'}
 
-    # Satisfy the 'ToolSelectPanelHelper' API.
+    # Satisfy the `ToolSelectPanelHelper` API.
     keymap_prefix = "Image Editor Tool:"
 
     # Default group to use as a fallback.
@@ -2715,7 +2715,7 @@ class NODE_PT_tools_active(ToolSelectPanelHelper, Panel):
     bl_label = "Tools"  # not visible
     bl_options = {'HIDE_HEADER'}
 
-    # Satisfy the 'ToolSelectPanelHelper' API.
+    # Satisfy the `ToolSelectPanelHelper` API.
     keymap_prefix = "Node Editor Tool:"
 
     # Default group to use as a fallback.
@@ -2779,7 +2779,7 @@ class VIEW3D_PT_tools_active(ToolSelectPanelHelper, Panel):
     bl_label = "Tools"  # not visible
     bl_options = {'HIDE_HEADER'}
 
-    # Satisfy the 'ToolSelectPanelHelper' API.
+    # Satisfy the `ToolSelectPanelHelper` API.
     keymap_prefix = "3D View Tool:"
 
     # Default group to use as a fallback.
@@ -3147,7 +3147,7 @@ class SEQUENCER_PT_tools_active(ToolSelectPanelHelper, Panel):
     bl_label = "Tools"  # not visible
     bl_options = {'HIDE_HEADER'}
 
-    # Satisfy the 'ToolSelectPanelHelper' API.
+    # Satisfy the `ToolSelectPanelHelper` API.
     keymap_prefix = "Sequence Editor Tool:"
 
     # Default group to use as a fallback.

scripts/templates_py/custom_nodes.py

@@ -19,7 +19,7 @@ class MyCustomTree(NodeTree):
 # Custom socket type
 class MyCustomSocket(NodeSocket):
     # Description string
-    '''Custom node socket type'''
+    """Custom node socket type"""
     # Optional identifier string. If not explicitly defined, the python class name is used.
     bl_idname = 'CustomSocketType'
     # Label for nice name display

scripts/templates_py/driver_functions.py

@@ -1,7 +1,7 @@
 # This script defines functions to be used directly in driver expressions to
 # extend the built-in set of python functions.
 #
-# This can be executed on manually or set to 'Register' to
+# This can be executed on manually or set to "Register" to
 # initialize the functions on file load.
 
 

scripts/templates_py/ui_list_generic.py

@@ -11,7 +11,7 @@ class MyPanel(bpy.types.Panel):
     bl_idname = "SCENE_PT_list_demo"
     bl_space_type = 'VIEW_3D'
     bl_region_type = 'UI'
-    bl_category = 'My Category'
+    bl_category = "My Category"
 
     def draw(self, context):
         layout = self.layout