PyAPI: use keyword only arguments

Use keyword only arguments for the following functions.

- addon_utils.module_bl_info 2nd arg `info_basis`.
- addon_utils.modules 1st `module_cache`, 2nd arg `refresh`.
- addon_utils.modules_refresh 1st arg `module_cache`.
- bl_app_template_utils.activate 1nd arg `template_id`.
- bl_app_template_utils.import_from_id 2nd arg `ignore_not_found`.
- bl_app_template_utils.import_from_path 2nd arg `ignore_not_found`.
- bl_keymap_utils.keymap_from_toolbar.generate 2nd & 3rd args `use_fallback_keys` & `use_reset`.
- bl_keymap_utils.platform_helpers.keyconfig_data_oskey_from_ctrl 2nd arg `filter_fn`.
- bl_ui_utils.bug_report_url.url_prefill_from_blender 1st arg `addon_info`.
- bmesh.types.BMFace.copy 1st & 2nd args `verts`, `edges`.
- bmesh.types.BMesh.calc_volume 1st arg `signed`.
- bmesh.types.BMesh.from_mesh 2nd..4th args `face_normals`, `use_shape_key`, `shape_key_index`.
- bmesh.types.BMesh.from_object 3rd & 4th args `cage`, `face_normals`.
- bmesh.types.BMesh.transform 2nd arg `filter`.
- bmesh.types.BMesh.update_edit_mesh 2nd & 3rd args `loop_triangles`, `destructive`.
- bmesh.types.{BMVertSeq,BMEdgeSeq,BMFaceSeq}.sort 1st & 2nd arg `key`, `reverse`.
- bmesh.utils.face_split 4th..6th args `coords`, `use_exist`, `example`.
- bpy.data.libraries.load 2nd..4th args `link`, `relative`, `assets_only`.
- bpy.data.user_map 1st..3rd args `subset`, `key_types, `value_types`.
- bpy.msgbus.subscribe_rna 5th arg `options`.
- bpy.path.abspath 2nd & 3rd args `start` & `library`.
- bpy.path.clean_name 2nd arg `replace`.
- bpy.path.ensure_ext 3rd arg `case_sensitive`.
- bpy.path.module_names 2nd arg `recursive`.
- bpy.path.relpath 2nd arg `start`.
- bpy.types.EditBone.transform 2nd & 3rd arg `scale`, `roll`.
- bpy.types.Operator.as_keywords 1st arg `ignore`.
- bpy.types.Struct.{keyframe_insert,keyframe_delete} 2nd..5th args `index`, `frame`, `group`, `options`.
- bpy.types.WindowManager.popup_menu 2nd & 3rd arg `title`, `icon`.
- bpy.types.WindowManager.popup_menu_pie 3rd & 4th arg `title`, `icon`.
- bpy.utils.app_template_paths 1st arg `subdir`.
- bpy.utils.app_template_paths 1st arg `subdir`.
- bpy.utils.blend_paths 1st..3rd args `absolute`, `packed`, `local`.
- bpy.utils.execfile 2nd arg `mod`.
- bpy.utils.keyconfig_set 2nd arg `report`.
- bpy.utils.load_scripts 1st & 2nd `reload_scripts` & `refresh_scripts`.
- bpy.utils.preset_find 3rd & 4th args `display_name`, `ext`.
- bpy.utils.resource_path 2nd & 3rd arg `major`, `minor`.
- bpy.utils.script_paths 1st..4th args `subdir`, `user_pref`, `check_all`, `use_user`.
- bpy.utils.smpte_from_frame 2nd & 3rd args `fps`, `fps_base`.
- bpy.utils.smpte_from_seconds 2nd & 3rd args `fps`, `fps_base`.
- bpy.utils.system_resource 2nd arg `subdir`.
- bpy.utils.time_from_frame 2nd & 3rd args `fps`, `fps_base`.
- bpy.utils.time_to_frame 2nd & 3rd args `fps`, `fps_base`.
- bpy.utils.units.to_string 4th..6th `precision`, `split_unit`, `compatible_unit`.
- bpy.utils.units.to_value 4th arg `str_ref_unit`.
- bpy.utils.user_resource 2nd & 3rd args `subdir`, `create`
- bpy_extras.view3d_utils.location_3d_to_region_2d 4th arg `default`.
- bpy_extras.view3d_utils.region_2d_to_origin_3d 4th arg `clamp`.
- gpu.offscreen.unbind 1st arg `restore`.
- gpu_extras.batch.batch_for_shader 4th arg `indices`.
- gpu_extras.batch.presets.draw_circle_2d 4th arg `segments`.
- gpu_extras.presets.draw_circle_2d 4th arg `segments`.
- imbuf.types.ImBuf.resize 2nd arg `resize`.
- imbuf.write 2nd arg `filepath`.
- mathutils.kdtree.KDTree.find 2nd arg `filter`.
- nodeitems_utils.NodeCategory 3rd & 4th arg `descriptions`, `items`.
- nodeitems_utils.NodeItem 2nd..4th args `label`, `settings`, `poll`.
- nodeitems_utils.NodeItemCustom 1st & 2nd arg `poll`, `draw`.
- rna_prop_ui.draw 5th arg `use_edit`.
- rna_prop_ui.rna_idprop_ui_get 2nd arg `create`.
- rna_prop_ui.rna_idprop_ui_prop_clear 3rd arg `remove`.
- rna_prop_ui.rna_idprop_ui_prop_get 3rd arg `create`.
- rna_xml.xml2rna 2nd arg `root_rna`.
- rna_xml.xml_file_write 4th arg `skip_typemap`.

31 files changed, 126 insertions, 106 deletions

diff --git a/release/scripts/modules/addon_utils.py b/release/scripts/modules/addon_utils.py
index 1e308dc9602..239dd1cf79b 100644
--- a/release/scripts/modules/addon_utils.py
+++ b/release/scripts/modules/addon_utils.py
@@ -49,16 +49,16 @@ def _initialize():
 
 def paths():
     # RELEASE SCRIPTS: official scripts distributed in Blender releases
-    addon_paths = _bpy.utils.script_paths("addons")
+    addon_paths = _bpy.utils.script_paths(subdir="addons")
 
     # CONTRIB SCRIPTS: good for testing but not official scripts yet
     # if folder addons_contrib/ exists, scripts in there will be loaded too
-    addon_paths += _bpy.utils.script_paths("addons_contrib")
+    addon_paths += _bpy.utils.script_paths(subdir="addons_contrib")
 
     return addon_paths
 
 
-def modules_refresh(module_cache=addons_fake_modules):
+def modules_refresh(*, module_cache=addons_fake_modules):
     global error_encoding
     import os
 
@@ -203,9 +203,9 @@ def modules_refresh(module_cache=addons_fake_modules):
     del modules_stale
 
 
-def modules(module_cache=addons_fake_modules, *, refresh=True):
+def modules(*, module_cache=addons_fake_modules, refresh=True):
     if refresh or ((module_cache is addons_fake_modules) and modules._is_first):
-        modules_refresh(module_cache)
+        modules_refresh(module_cache=module_cache)
         modules._is_first = False
 
     mod_list = list(module_cache.values())
@@ -512,7 +512,7 @@ def _blender_manual_url_prefix():
     return "https://docs.blender.org/manual/en/" + manual_version
 
 
-def module_bl_info(mod, info_basis=None):
+def module_bl_info(mod, *, info_basis=None):
     if info_basis is None:
         info_basis = {
             "name": "",
diff --git a/release/scripts/modules/bl_app_template_utils.py b/release/scripts/modules/bl_app_template_utils.py
index 7db084a9a29..43c0c571cb0 100644
--- a/release/scripts/modules/bl_app_template_utils.py
+++ b/release/scripts/modules/bl_app_template_utils.py
@@ -134,7 +134,7 @@ def _disable(template_id, *, handle_error=None):
         print("\tapp_template_utils.disable", template_id)
 
 
-def import_from_path(path, ignore_not_found=False):
+def import_from_path(path, *, ignore_not_found=False):
     import os
     from importlib import import_module
     base_module, template_id = path.rsplit(os.sep, 2)[-2:]
@@ -148,9 +148,9 @@ def import_from_path(path, ignore_not_found=False):
         raise ex
 
 
-def import_from_id(template_id, ignore_not_found=False):
+def import_from_id(template_id, *, ignore_not_found=False):
     import os
-    path = next(iter(_bpy.utils.app_template_paths(template_id)), None)
+    path = next(iter(_bpy.utils.app_template_paths(path=template_id)), None)
     if path is None:
         if ignore_not_found:
             return None
@@ -163,7 +163,7 @@ def import_from_id(template_id, ignore_not_found=False):
         return import_from_path(path, ignore_not_found=ignore_not_found)
 
 
-def activate(template_id=None):
+def activate(*, template_id=None):
     template_id_prev = _app_template["id"]
 
     # not needed but may as well avoids redundant
@@ -190,4 +190,4 @@ def reset(*, reload_scripts=False):
 
     # TODO reload_scripts
 
-    activate(template_id)
+    activate(template_id=template_id)
diff --git a/release/scripts/modules/bl_keymap_utils/keymap_from_toolbar.py b/release/scripts/modules/bl_keymap_utils/keymap_from_toolbar.py
index ef398d5e08f..aff1108568b 100644
--- a/release/scripts/modules/bl_keymap_utils/keymap_from_toolbar.py
+++ b/release/scripts/modules/bl_keymap_utils/keymap_from_toolbar.py
@@ -26,7 +26,7 @@ __all__ = (
 )
 
 
-def generate(context, space_type, use_fallback_keys=True, use_reset=True):
+def generate(context, space_type, *, use_fallback_keys=True, use_reset=True):
     """
     Keymap for popup toolbar, currently generated each time.
     """
diff --git a/release/scripts/modules/bl_keymap_utils/platform_helpers.py b/release/scripts/modules/bl_keymap_utils/platform_helpers.py
index a6058b993d5..848eb4e10c4 100644
--- a/release/scripts/modules/bl_keymap_utils/platform_helpers.py
+++ b/release/scripts/modules/bl_keymap_utils/platform_helpers.py
@@ -17,7 +17,7 @@
 # ##### END GPL LICENSE BLOCK #####
 
 
-def keyconfig_data_oskey_from_ctrl(keyconfig_data_src, filter_fn=None):
+def keyconfig_data_oskey_from_ctrl(keyconfig_data_src, *, filter_fn=None):
     keyconfig_data_dst = []
     for km_name, km_parms, km_items_data_src in keyconfig_data_src:
         km_items_data_dst = km_items_data_src.copy()
@@ -61,4 +61,4 @@ def keyconfig_data_oskey_from_ctrl_for_macos(keyconfig_data_src):
                     return False
         return True
 
-    return keyconfig_data_oskey_from_ctrl(keyconfig_data_src, filter_fn)
+    return keyconfig_data_oskey_from_ctrl(keyconfig_data_src, filter_fn=filter_fn)
diff --git a/release/scripts/modules/bl_ui_utils/bug_report_url.py b/release/scripts/modules/bl_ui_utils/bug_report_url.py
index 3fc57467dac..ef6a261f776 100644
--- a/release/scripts/modules/bl_ui_utils/bug_report_url.py
+++ b/release/scripts/modules/bl_ui_utils/bug_report_url.py
@@ -19,7 +19,7 @@
 # <pep8-80 compliant>
 
 
-def url_prefill_from_blender(addon_info=None):
+def url_prefill_from_blender(*, addon_info=None):
     import bpy
     import gpu
     import struct
diff --git a/release/scripts/modules/bpy/path.py b/release/scripts/modules/bpy/path.py
index 1de4542e69e..30f93d051e5 100644
--- a/release/scripts/modules/bpy/path.py
+++ b/release/scripts/modules/bpy/path.py
@@ -56,7 +56,7 @@ def _getattr_bytes(var, attr):
     return var.path_resolve(attr, False).as_bytes()
 
 
-def abspath(path, start=None, library=None):
+def abspath(path, *, start=None, library=None):
     """
     Returns the absolute path relative to the current blend file
     using the "//" prefix.
@@ -92,7 +92,7 @@ def abspath(path, start=None, library=None):
     return path
 
 
-def relpath(path, start=None):
+def relpath(path, *, start=None):
     """
     Returns the path relative to the current blend file using the "//" prefix.
 
@@ -134,7 +134,7 @@ def is_subdir(path, directory):
     return False
 
 
-def clean_name(name, replace="_"):
+def clean_name(name, *, replace="_"):
     """
     Returns a name with characters replaced that
     may cause problems under various circumstances,
@@ -311,7 +311,7 @@ def resolve_ncase(path):
     return ncase_path if found else path
 
 
-def ensure_ext(filepath, ext, case_sensitive=False):
+def ensure_ext(filepath, ext, *, case_sensitive=False):
     """
     Return the path with the extension added if it is not already set.
 
@@ -332,7 +332,7 @@ def ensure_ext(filepath, ext, case_sensitive=False):
     return filepath + ext
 
 
-def module_names(path, recursive=False):
+def module_names(path, *, recursive=False):
     """
     Return a list of modules which can be imported from *path*.
 
@@ -361,7 +361,7 @@ def module_names(path, recursive=False):
             if isfile(fullpath):
                 modules.append((filename, fullpath))
                 if recursive:
-                    for mod_name, mod_path in module_names(directory, True):
+                    for mod_name, mod_path in module_names(directory, recursive=True):
                         modules.append(("%s.%s" % (filename, mod_name),
                                         mod_path,
                                         ))
diff --git a/release/scripts/modules/bpy/utils/__init__.py b/release/scripts/modules/bpy/utils/__init__.py
index 2b19d23a367..e6c7bca3e3c 100644
--- a/release/scripts/modules/bpy/utils/__init__.py
+++ b/release/scripts/modules/bpy/utils/__init__.py
@@ -81,7 +81,7 @@ _script_module_dirs = "startup", "modules"
 _is_factory_startup = _bpy.app.factory_startup
 
 
-def execfile(filepath, mod=None):
+def execfile(filepath, *, mod=None):
     """
     Execute a file path as a Python script.
 
@@ -193,7 +193,7 @@ _global_loaded_modules = []  # store loaded module names for reloading.
 import bpy_types as _bpy_types  # keep for comparisons, never ever reload this.
 
 
-def load_scripts(reload_scripts=False, refresh_scripts=False):
+def load_scripts(*, reload_scripts=False, refresh_scripts=False):
     """
     Load scripts and run each modules register function.
 
@@ -357,7 +357,7 @@ def script_path_pref():
     return _os.path.normpath(path) if path else None
 
 
-def script_paths(subdir=None, user_pref=True, check_all=False, use_user=True):
+def script_paths(*, subdir=None, user_pref=True, check_all=False, use_user=True):
     """
     Returns a list of valid script paths.
 
@@ -446,16 +446,16 @@ def refresh_script_paths():
             _sys_path_ensure_append(path)
 
 
-def app_template_paths(subdir=None):
+def app_template_paths(*, path=None):
     """
     Returns valid application template paths.
 
-    :arg subdir: Optional subdir.
-    :type subdir: string
+    :arg path: Optional subdir.
+    :type path: string
     :return: app template paths.
     :rtype: generator
     """
-    subdir_args = (subdir,) if subdir is not None else ()
+    subdir_args = (path,) if path is not None else ()
     # Note: keep in sync with: Blender's 'BKE_appdir_app_template_any'.
     # Uses 'BLENDER_USER_SCRIPTS', 'BLENDER_SYSTEM_SCRIPTS'
     # ... in this case 'system' accounts for 'local' too.
@@ -463,9 +463,9 @@ def app_template_paths(subdir=None):
             (_user_resource, "bl_app_templates_user"),
             (system_resource, "bl_app_templates_system"),
     ):
-        path = resource_fn('SCRIPTS', _os.path.join("startup", module_name, *subdir_args))
-        if path and _os.path.isdir(path):
-            yield path
+        path_test = resource_fn('SCRIPTS', path=_os.path.join("startup", module_name, *subdir_args))
+        if path_test and _os.path.isdir(path_test):
+            yield path_test
 
 
 def preset_paths(subdir):
@@ -478,7 +478,7 @@ def preset_paths(subdir):
     :rtype: list
     """
     dirs = []
-    for path in script_paths("presets", check_all=True):
+    for path in script_paths(subdir="presets", check_all=True):
         directory = _os.path.join(path, subdir)
         if not directory.startswith(path):
             raise Exception("invalid subdir given %r" % subdir)
@@ -532,7 +532,7 @@ def is_path_builtin(path):
     return False
 
 
-def smpte_from_seconds(time, fps=None, fps_base=None):
+def smpte_from_seconds(time, *, fps=None, fps_base=None):
     """
     Returns an SMPTE formatted string from the *time*:
     ``HH:MM:SS:FF``.
@@ -552,7 +552,7 @@ def smpte_from_seconds(time, fps=None, fps_base=None):
     )
 
 
-def smpte_from_frame(frame, fps=None, fps_base=None):
+def smpte_from_frame(frame, *, fps=None, fps_base=None):
     """
     Returns an SMPTE formatted string from the *frame*:
     ``HH:MM:SS:FF``.
@@ -585,7 +585,7 @@ def smpte_from_frame(frame, fps=None, fps_base=None):
         ))
 
 
-def time_from_frame(frame, fps=None, fps_base=None):
+def time_from_frame(frame, *, fps=None, fps_base=None):
     """
     Returns the time from a frame number .
 
@@ -610,7 +610,7 @@ def time_from_frame(frame, fps=None, fps_base=None):
     return timedelta(0, frame / fps)
 
 
-def time_to_frame(time, fps=None, fps_base=None):
+def time_to_frame(time, *, fps=None, fps_base=None):
     """
     Returns a float frame number from a time given in seconds or
     as a datetime.timedelta object.
@@ -639,7 +639,7 @@ def time_to_frame(time, fps=None, fps_base=None):
     return time * fps
 
 
-def preset_find(name, preset_path, display_name=False, ext=".py"):
+def preset_find(name, preset_path, *, display_name=False, ext=".py"):
     if not name:
         return None
 
@@ -676,7 +676,7 @@ def keyconfig_init():
         keyconfig_set(filepath)
 
 
-def keyconfig_set(filepath, report=None):
+def keyconfig_set(filepath, *, report=None):
     from os.path import basename, splitext
 
     if _bpy.app.debug_python:
@@ -712,14 +712,14 @@ def keyconfig_set(filepath, report=None):
         return True
 
 
-def user_resource(resource_type, path="", create=False):
+def user_resource(resource_type, *, path="", create=False):
     """
     Return a user resource path (normally from the users home directory).
 
     :arg type: Resource type in ['DATAFILES', 'CONFIG', 'SCRIPTS', 'AUTOSAVE'].
     :type type: string
-    :arg subdir: Optional subdirectory.
-    :type subdir: string
+    :arg path: Optional subdirectory.
+    :type path: string
     :arg create: Treat the path as a directory and create
        it if its not existing.
     :type create: boolean
@@ -727,7 +727,7 @@ def user_resource(resource_type, path="", create=False):
     :rtype: string
     """
 
-    target_path = _user_resource(resource_type, path)
+    target_path = _user_resource(resource_type, path=path)
 
     if create:
         # should always be true.
diff --git a/release/scripts/modules/bpy_extras/io_utils.py b/release/scripts/modules/bpy_extras/io_utils.py
index 7eb9b2aa347..9e3c5bb64e0 100644
--- a/release/scripts/modules/bpy_extras/io_utils.py
+++ b/release/scripts/modules/bpy_extras/io_utils.py
@@ -447,7 +447,7 @@ def path_reference(
     """
     import os
     is_relative = filepath.startswith("//")
-    filepath_abs = bpy.path.abspath(filepath, base_src, library)
+    filepath_abs = bpy.path.abspath(filepath, start=base_src, library=library)
     filepath_abs = os.path.normpath(filepath_abs)
 
     if mode in {'ABSOLUTE', 'RELATIVE', 'STRIP'}:
diff --git a/release/scripts/modules/bpy_extras/view3d_utils.py b/release/scripts/modules/bpy_extras/view3d_utils.py
index 9e4958802f1..2a8b3c2ce9b 100644
--- a/release/scripts/modules/bpy_extras/view3d_utils.py
+++ b/release/scripts/modules/bpy_extras/view3d_utils.py
@@ -64,7 +64,7 @@ def region_2d_to_vector_3d(region, rv3d, coord):
     return view_vector
 
 
-def region_2d_to_origin_3d(region, rv3d, coord, clamp=None):
+def region_2d_to_origin_3d(region, rv3d, coord, *, clamp=None):
     """
     Return the 3d view origin from the region relative 2d coords.
 
@@ -167,7 +167,7 @@ def region_2d_to_location_3d(region, rv3d, coord, depth_location):
         )[0]
 
 
-def location_3d_to_region_2d(region, rv3d, coord, default=None):
+def location_3d_to_region_2d(region, rv3d, coord, *, default=None):
     """
     Return the *region* relative 2d location of a 3d position.
 
diff --git a/release/scripts/modules/bpy_types.py b/release/scripts/modules/bpy_types.py
index d7e31a8ec5d..29b53aedf78 100644
--- a/release/scripts/modules/bpy_types.py
+++ b/release/scripts/modules/bpy_types.py
@@ -150,7 +150,11 @@ class Object(bpy_types.ID):
 class WindowManager(bpy_types.ID):
     __slots__ = ()
 
-    def popup_menu(self, draw_func, title="", icon='NONE'):
+    def popup_menu(
+            self, draw_func, *,
+            title="",
+            icon='NONE',
+    ):
         import bpy
         popup = self.popmenu_begin__internal(title, icon=icon)
 
@@ -176,7 +180,11 @@ class WindowManager(bpy_types.ID):
         finally:
             self.popover_end__internal(popup, keymap=keymap)
 
-    def popup_menu_pie(self, event, draw_func, title="", icon='NONE'):
+    def popup_menu_pie(
+            self, event, draw_func, *,
+            title="",
+            icon='NONE',
+    ):
         import bpy
         pie = self.piemenu_begin__internal(title, icon=icon, event=event)
 
@@ -392,7 +400,7 @@ class EditBone(StructRNA, _GenericBone, metaclass=StructMetaPropGroup):
         self.tail = self.head + vec
         self.roll = other.roll
 
-    def transform(self, matrix, scale=True, roll=True):
+    def transform(self, matrix, *, scale=True, roll=True):
         """
         Transform the the bones head, tail, roll and envelope
         (when the matrix has a scale component).
@@ -739,7 +747,7 @@ class Operator(StructRNA, metaclass=RNAMeta):
             return delattr(properties, attr)
         return super().__delattr__(attr)
 
-    def as_keywords(self, ignore=()):
+    def as_keywords(self, *, ignore=()):
         """Return a copy of the properties as a dictionary"""
         ignore = ignore + ("rna_type",)
         return {attr: getattr(self, attr)
diff --git a/release/scripts/modules/console/complete_calltip.py b/release/scripts/modules/console/complete_calltip.py
index 4271003ae13..706af67905b 100644
--- a/release/scripts/modules/console/complete_calltip.py
+++ b/release/scripts/modules/console/complete_calltip.py
@@ -86,7 +86,7 @@ def get_doc(obj):
     return result and RE_EMPTY_LINE.sub('', result.rstrip()) or ''
 
 
-def get_argspec(func, strip_self=True, doc=None, source=None):
+def get_argspec(func, *, strip_self=True, doc=None, source=None):
     """Get argument specifications.
 
     :param strip_self: strip `self` from argspec
diff --git a/release/scripts/modules/console/complete_import.py b/release/scripts/modules/console/complete_import.py
index 6f51f6b691b..4bdd4eb188a 100644
--- a/release/scripts/modules/console/complete_import.py
+++ b/release/scripts/modules/console/complete_import.py
@@ -143,7 +143,7 @@ def complete(line):
     """
     import inspect
 
-    def try_import(mod, only_modules=False):
+    def try_import(mod, *, only_modules=False):
 
         def is_importable(module, attr):
             if only_modules:
@@ -184,7 +184,7 @@ def complete(line):
         mod = words[1].split('.')
         if len(mod) < 2:
             return filter_prefix(get_root_modules(), words[-1])
-        completion_list = try_import('.'.join(mod[:-1]), True)
+        completion_list = try_import('.'.join(mod[:-1]), only_modules=True)
         completion_list = ['.'.join(mod[:-1] + [el]) for el in completion_list]
         return filter_prefix(completion_list, words[-1])
     if len(words) >= 3 and words[0] == 'from':
diff --git a/release/scripts/modules/console/complete_namespace.py b/release/scripts/modules/console/complete_namespace.py
index 3d8ba6b04a2..fa6323dcc66 100644
--- a/release/scripts/modules/console/complete_namespace.py
+++ b/release/scripts/modules/console/complete_namespace.py
@@ -62,7 +62,7 @@ def complete_names(word, namespace):
     return sorted(set(completer.matches))
 
 
-def complete_indices(word, namespace, obj=None, base=None):
+def complete_indices(word, namespace, *, obj=None, base=None):
     """Complete a list or dictionary with its indices:
 
     * integer numbers for list
@@ -117,7 +117,7 @@ def complete_indices(word, namespace, obj=None, base=None):
     return matches
 
 
-def complete(word, namespace, private=True):
+def complete(word, namespace, *, private=True):
     """Complete word within a namespace with the standard rlcompleter
     module. Also supports index or key access [].
 
@@ -191,7 +191,7 @@ def complete(word, namespace, private=True):
         # an extra char '[', '(' or '.' will be added
         if hasattr(obj, '__getitem__') and not is_struct_seq(obj):
             # list or dictionary
-            matches = complete_indices(word, namespace, obj)
+            matches = complete_indices(word, namespace, obj=obj)
         elif hasattr(obj, '__call__'):
             # callables
             matches = [word + '(']
diff --git a/release/scripts/modules/console/intellisense.py b/release/scripts/modules/console/intellisense.py
index 249ddc29e4c..7e293ee0082 100644
--- a/release/scripts/modules/console/intellisense.py
+++ b/release/scripts/modules/console/intellisense.py
@@ -87,7 +87,7 @@ def complete(line, cursor, namespace, private):
             matches.sort()
         else:
             from . import complete_namespace
-            matches = complete_namespace.complete(word, namespace, private)
+            matches = complete_namespace.complete(word, namespace, private=private)
     else:
         # for now we don't have completers for strings
         # TODO: add file auto completer for strings
@@ -96,7 +96,7 @@ def complete(line, cursor, namespace, private):
     return matches, word
 
 
-def expand(line, cursor, namespace, private=True):
+def expand(line, cursor, namespace, *, private=True):
     """This method is invoked when the user asks autocompletion,
     e.g. when Ctrl+Space is clicked.
 
@@ -150,5 +150,5 @@ def expand(line, cursor, namespace, private=True):
         line = line[:cursor] + prefix + line[cursor:]
         cursor += len(prefix.encode('utf-8'))
         if no_calltip and prefix.endswith('('):
-            return expand(line, cursor, namespace, private)
+            return expand(line, cursor, namespace, private=private)
     return line, cursor, scrollback
diff --git a/release/scripts/modules/gpu_extras/batch.py b/release/scripts/modules/gpu_extras/batch.py
index 64d731e318a..e47afb24539 100644
--- a/release/scripts/modules/gpu_extras/batch.py
+++ b/release/scripts/modules/gpu_extras/batch.py
@@ -21,7 +21,7 @@ __all__ = (
 )
 
 
-def batch_for_shader(shader, type, content, indices=None):
+def batch_for_shader(shader, type, content, *, indices=None):
     """
     Return a batch already configured and compatible with the shader.
 
diff --git a/release/scripts/modules/gpu_extras/presets.py b/release/scripts/modules/gpu_extras/presets.py
index f490e1e74ba..6d12533e950 100644
--- a/release/scripts/modules/gpu_extras/presets.py
+++ b/release/scripts/modules/gpu_extras/presets.py
@@ -16,7 +16,7 @@
 #
 # ***** END GPL LICENSE BLOCK *****
 
-def draw_circle_2d(position, color, radius, segments=32):
+def draw_circle_2d(position, color, radius, *, segments=32):
     """
     Draw a circle.
 
diff --git a/release/scripts/modules/nodeitems_utils.py b/release/scripts/modules/nodeitems_utils.py
index d1e1cc5e346..a50997fab5f 100644
--- a/release/scripts/modules/nodeitems_utils.py
+++ b/release/scripts/modules/nodeitems_utils.py
@@ -25,7 +25,7 @@ class NodeCategory:
     def poll(cls, _context):
         return True
 
-    def __init__(self, identifier, name, description="", items=None):
+    def __init__(self, identifier, name, *, description="", items=None):
         self.identifier = identifier
         self.name = name
         self.description = description
@@ -43,7 +43,7 @@ class NodeCategory:
 
 
 class NodeItem:
-    def __init__(self, nodetype, label=None, settings=None, poll=None):
+    def __init__(self, nodetype, *, label=None, settings=None, poll=None):
 
         if settings is None:
             settings = {}
@@ -92,7 +92,7 @@ class NodeItem:
 
 
 class NodeItemCustom:
-    def __init__(self, poll=None, draw=None):
+    def __init__(self, *, poll=None, draw=None):
         self.poll = poll
         self.draw = draw
 
diff --git a/release/scripts/modules/rna_prop_ui.py b/release/scripts/modules/rna_prop_ui.py
index 54cde1e1c04..bafa2b28bbf 100644
--- a/release/scripts/modules/rna_prop_ui.py
+++ b/release/scripts/modules/rna_prop_ui.py
@@ -30,7 +30,7 @@ ARRAY_TYPES = (list, tuple, IDPropertyArray, Vector)
 MAX_DISPLAY_ROWS = 4
 
 
-def rna_idprop_ui_get(item, create=True):
+def rna_idprop_ui_get(item, *, create=True):
     try:
         return item['_RNA_UI']
     except:
@@ -59,9 +59,9 @@ def rna_idprop_ui_prop_update(item, prop):
         prop_rna.update()
 
 
-def rna_idprop_ui_prop_get(item, prop, create=True):
+def rna_idprop_ui_prop_get(item, prop, *, create=True):
 
-    rna_ui = rna_idprop_ui_get(item, create)
+    rna_ui = rna_idprop_ui_get(item, create=create)
 
     if rna_ui is None:
         return None
@@ -73,8 +73,8 @@ def rna_idprop_ui_prop_get(item, prop, create=True):
         return rna_ui[prop]
 
 
-def rna_idprop_ui_prop_clear(item, prop, remove=True):
-    rna_ui = rna_idprop_ui_get(item, False)
+def rna_idprop_ui_prop_clear(item, prop, *, remove=True):
+    rna_ui = rna_idprop_ui_get(item, create=False)
 
     if rna_ui is None:
         return
@@ -143,7 +143,7 @@ def rna_idprop_ui_prop_default_set(item, prop, value):
         pass
 
     if defvalue:
-        rna_ui = rna_idprop_ui_prop_get(item, prop, True)
+        rna_ui = rna_idprop_ui_prop_get(item, prop, create=True)
         rna_ui["default"] = defvalue
     else:
         rna_ui = rna_idprop_ui_prop_get(item, prop)
@@ -181,7 +181,7 @@ def rna_idprop_ui_create(
     rna_idprop_ui_prop_update(item, prop)
 
     # Clear the UI settings
-    rna_ui_group = rna_idprop_ui_get(item, True)
+    rna_ui_group = rna_idprop_ui_get(item, create=True)
     rna_ui_group[prop] = {}
     rna_ui = rna_ui_group[prop]
 
@@ -210,7 +210,7 @@ def rna_idprop_ui_create(
     return rna_ui
 
 
-def draw(layout, context, context_member, property_type, use_edit=True):
+def draw(layout, context, context_member, property_type, *, use_edit=True):
 
     def assign_props(prop, val, key):
         prop.data_path = context_member
diff --git a/release/scripts/modules/rna_xml.py b/release/scripts/modules/rna_xml.py
index 58abb5c90db..a36b262c883 100644
--- a/release/scripts/modules/rna_xml.py
+++ b/release/scripts/modules/rna_xml.py
@@ -245,9 +245,10 @@ def rna2xml(
         fw("%s</%s>\n" % (root_ident, root_node))
 
 
-def xml2rna(root_xml,
-            root_rna=None,  # must be set
-            ):
+def xml2rna(
+        root_xml, *,
+        root_rna=None,  # must be set
+):
 
     def rna2xml_node(xml_node, value):
         # print("evaluating:", xml_node.nodeName)
@@ -394,7 +395,7 @@ def xml_file_run(context, filepath, rna_map):
             xml2rna(xml_node, root_rna=value)
 
 
-def xml_file_write(context, filepath, rna_map, skip_typemap=None):
+def xml_file_write(context, filepath, rna_map, *, skip_typemap=None):
 
     file = open(filepath, "w", encoding="utf-8")
     fw = file.write
diff --git a/release/scripts/startup/bl_operators/mesh.py b/release/scripts/startup/bl_operators/mesh.py
index 5fca3e194d7..ddbfe7845b1 100644
--- a/release/scripts/startup/bl_operators/mesh.py
+++ b/release/scripts/startup/bl_operators/mesh.py
@@ -219,7 +219,7 @@ class MeshSelectNext(Operator):
 
         if find_adjacent.select_next(bm, self.report):
             bm.select_flush_mode()
-            bmesh.update_edit_mesh(me, False)
+            bmesh.update_edit_mesh(me, loop_triangles=False)
 
         return {'FINISHED'}
 
@@ -244,7 +244,7 @@ class MeshSelectPrev(Operator):
 
         if find_adjacent.select_prev(bm, self.report):
             bm.select_flush_mode()
-            bmesh.update_edit_mesh(me, False)
+            bmesh.update_edit_mesh(me, loop_triangles=False)
 
         return {'FINISHED'}
 
diff --git a/release/scripts/startup/bl_operators/presets.py b/release/scripts/startup/bl_operators/presets.py
index cedbe542287..3189f3b3376 100644
--- a/release/scripts/startup/bl_operators/presets.py
+++ b/release/scripts/startup/bl_operators/presets.py
@@ -114,9 +114,7 @@ class AddPresetBase:
             filename = self.as_filename(name)
 
             target_path = os.path.join("presets", self.preset_subdir)
-            target_path = bpy.utils.user_resource('SCRIPTS',
-                                                  target_path,
-                                                  create=True)
+            target_path = bpy.utils.user_resource('SCRIPTS', path=target_path, create=True)
 
             if not target_path:
                 self.report({'WARNING'}, "Failed to create presets path")
diff --git a/release/scripts/startup/bl_operators/userpref.py b/release/scripts/startup/bl_operators/userpref.py
index dd84dfa2df8..623bf583a74 100644
--- a/release/scripts/startup/bl_operators/userpref.py
+++ b/release/scripts/startup/bl_operators/userpref.py
@@ -90,7 +90,7 @@ class PREFERENCES_OT_copy_prev(Operator):
 
     @classmethod
     def _old_version_path(cls, version):
-        return bpy.utils.resource_path('USER', version[0], version[1])
+        return bpy.utils.resource_path('USER', major=version[0], minor=version[1])
 
     @classmethod
     def previous_version(cls):
@@ -226,7 +226,11 @@ class PREFERENCES_OT_keyconfig_import(Operator):
 
         config_name = basename(self.filepath)
 
-        path = bpy.utils.user_resource('SCRIPTS', os.path.join("presets", "keyconfig"), create=True)
+        path = bpy.utils.user_resource(
+            'SCRIPTS',
+            path=os.path.join("presets", "keyconfig"),
+            create=True,
+        )
         path = os.path.join(path, config_name)
 
         try:
@@ -529,7 +533,11 @@ class PREFERENCES_OT_theme_install(Operator):
 
         xmlfile = self.filepath
 
-        path_themes = bpy.utils.user_resource('SCRIPTS', "presets/interface_theme", create=True)
+        path_themes = bpy.utils.user_resource(
+            'SCRIPTS',
+            path=os.path.join("presets", "interface_theme"),
+            create=True,
+        )
 
         if not path_themes:
             self.report({'ERROR'}, "Failed to get themes path")
@@ -622,8 +630,8 @@ class PREFERENCES_OT_addon_install(Operator):
         pyfile = self.filepath
 
         if self.target == 'DEFAULT':
-            # don't use bpy.utils.script_paths("addons") because we may not be able to write to it.
-            path_addons = bpy.utils.user_resource('SCRIPTS', "addons", create=True)
+            # Don't use `bpy.utils.script_paths(path="addons")` because we may not be able to write to it.
+            path_addons = bpy.utils.user_resource('SCRIPTS', path="addons", create=True)
         else:
             path_addons = context.preferences.filepaths.script_directory
             if path_addons:
@@ -882,7 +890,8 @@ class PREFERENCES_OT_app_template_install(Operator):
         filepath = self.filepath
 
         path_app_templates = bpy.utils.user_resource(
-            'SCRIPTS', os.path.join("startup", "bl_app_templates_user"),
+            'SCRIPTS',
+            path=os.path.join("startup", "bl_app_templates_user"),
             create=True,
         )
 
@@ -988,7 +997,7 @@ class PREFERENCES_OT_studiolight_install(Operator):
         prefs = context.preferences
 
         path_studiolights = os.path.join("studiolights", self.type.lower())
-        path_studiolights = bpy.utils.user_resource('DATAFILES', path_studiolights, create=True)
+        path_studiolights = bpy.utils.user_resource('DATAFILES', path=path_studiolights, create=True)
         if not path_studiolights:
             self.report({'ERROR'}, "Failed to create Studio Light path")
             return {'CANCELLED'}
@@ -1034,7 +1043,11 @@ class PREFERENCES_OT_studiolight_new(Operator):
         wm = context.window_manager
         filename = bpy.path.ensure_ext(self.filename, ".sl")
 
-        path_studiolights = bpy.utils.user_resource('DATAFILES', os.path.join("studiolights", "studio"), create=True)
+        path_studiolights = bpy.utils.user_resource(
+            'DATAFILES',
+            path=os.path.join("studiolights", "studio"),
+            create=True,
+        )
         if not path_studiolights:
             self.report({'ERROR'}, "Failed to get Studio Light path")
             return {'CANCELLED'}
diff --git a/release/scripts/startup/bl_operators/uvcalc_follow_active.py b/release/scripts/startup/bl_operators/uvcalc_follow_active.py
index 1b801f77e07..90131109e24 100644
--- a/release/scripts/startup/bl_operators/uvcalc_follow_active.py
+++ b/release/scripts/startup/bl_operators/uvcalc_follow_active.py
@@ -223,7 +223,7 @@ def extend(obj, EXTEND_MODE):
     for f_triple in walk_face(f_act):
         apply_uv(*f_triple)
 
-    bmesh.update_edit_mesh(me, False)
+    bmesh.update_edit_mesh(me, loop_triangles=False)
     return STATUS_OK
 
 
diff --git a/release/scripts/startup/bl_operators/wm.py b/release/scripts/startup/bl_operators/wm.py
index 35826cea860..2cc7b828c11 100644
--- a/release/scripts/startup/bl_operators/wm.py
+++ b/release/scripts/startup/bl_operators/wm.py
@@ -1100,7 +1100,7 @@ class WM_OT_path_open(Operator):
         return {'FINISHED'}
 
 
-def _wm_doc_get_id(doc_id, do_url=True, url_prefix="", report=None):
+def _wm_doc_get_id(doc_id, *, do_url=True, url_prefix="", report=None):
 
     def operator_exists_pair(a, b):
         # Not fast, this is only for docs.
@@ -1190,7 +1190,7 @@ class WM_OT_doc_view_manual(Operator):
     doc_id: doc_id
 
     @staticmethod
-    def _find_reference(rna_id, url_mapping, verbose=True):
+    def _find_reference(rna_id, url_mapping, *, verbose=True):
         if verbose:
             print("online manual check for: '%s'... " % rna_id)
         from fnmatch import fnmatchcase
@@ -1526,7 +1526,7 @@ class WM_OT_properties_edit(Operator):
             self.default = ""
 
         # setup defaults
-        prop_ui = rna_idprop_ui_prop_get(item, prop, False)  # don't create
+        prop_ui = rna_idprop_ui_prop_get(item, prop, create=False)
         if prop_ui:
             self.min = prop_ui.get("min", -1000000000)
             self.max = prop_ui.get("max", 1000000000)
@@ -1910,7 +1910,7 @@ class WM_OT_toolbar(Operator):
         return context.space_data is not None
 
     @staticmethod
-    def keymap_from_toolbar(context, space_type, use_fallback_keys=True, use_reset=True):
+    def keymap_from_toolbar(context, space_type, *, use_fallback_keys=True, use_reset=True):
         from bl_ui.space_toolsystem_common import ToolSelectPanelHelper
         from bl_keymap_utils import keymap_from_toolbar
 
@@ -2211,7 +2211,7 @@ class WM_OT_batch_rename(Operator):
     actions: CollectionProperty(type=BatchRenameAction)
 
     @staticmethod
-    def _data_from_context(context, data_type, only_selected, check_context=False):
+    def _data_from_context(context, data_type, only_selected, *, check_context=False):
 
         mode = context.mode
         scene = context.scene
diff --git a/release/scripts/startup/bl_ui/space_text.py b/release/scripts/startup/bl_ui/space_text.py
index c937882bd6e..93ab12e8462 100644
--- a/release/scripts/startup/bl_ui/space_text.py
+++ b/release/scripts/startup/bl_ui/space_text.py
@@ -284,7 +284,7 @@ class TEXT_MT_templates_py(Menu):
 
     def draw(self, _context):
         self.path_menu(
-            bpy.utils.script_paths("templates_py"),
+            bpy.utils.script_paths(subdir="templates_py"),
             "text.open",
             props_default={"internal": True},
             filter_ext=lambda ext: (ext.lower() == ".py")
@@ -296,7 +296,7 @@ class TEXT_MT_templates_osl(Menu):
 
     def draw(self, _context):
         self.path_menu(
-            bpy.utils.script_paths("templates_osl"),
+            bpy.utils.script_paths(subdir="templates_osl"),
             "text.open",
             props_default={"internal": True},
             filter_ext=lambda ext: (ext.lower() == ".osl")
diff --git a/release/scripts/startup/bl_ui/space_toolsystem_common.py b/release/scripts/startup/bl_ui/space_toolsystem_common.py
index 12ec863327c..cde430c1e6f 100644
--- a/release/scripts/startup/bl_ui/space_toolsystem_common.py
+++ b/release/scripts/startup/bl_ui/space_toolsystem_common.py
@@ -218,7 +218,7 @@ class ToolSelectPanelHelper:
             assert(type(icon_name) is str)
             icon_value = _icon_cache.get(icon_name)
             if icon_value is None:
-                dirname = bpy.utils.system_resource('DATAFILES', "icons")
+                dirname = bpy.utils.system_resource('DATAFILES', path="icons")
                 filename = os.path.join(dirname, icon_name + ".dat")
                 try:
                     icon_value = bpy.app.icons.new_triangles_from_file(filename)
diff --git a/release/scripts/startup/bl_ui/space_toolsystem_toolbar.py b/release/scripts/startup/bl_ui/space_toolsystem_toolbar.py
index ce1c401b14b..c55f637f8b2 100644
--- a/release/scripts/startup/bl_ui/space_toolsystem_toolbar.py
+++ b/release/scripts/startup/bl_ui/space_toolsystem_toolbar.py
@@ -434,7 +434,7 @@ class _defs_view3d_select:
             from gpu_extras.presets import draw_circle_2d
             props = tool.operator_properties("view3d.select_circle")
             radius = props.radius
-            draw_circle_2d(xy, (1.0,) * 4, radius, 32)
+            draw_circle_2d(xy, (1.0,) * 4, radius, segments=32)
 
         return dict(
             idname="builtin.select_circle",
@@ -1813,7 +1813,7 @@ class _defs_image_uv_select:
             from gpu_extras.presets import draw_circle_2d
             props = tool.operator_properties("uv.select_circle")
             radius = props.radius
-            draw_circle_2d(xy, (1.0,) * 4, radius, 32)
+            draw_circle_2d(xy, (1.0,) * 4, radius, segments=32)
 
         return dict(
             idname="builtin.select_circle",
@@ -1858,7 +1858,7 @@ class _defs_image_uv_sculpt:
                 if brush is None:
                     return
                 radius = brush.size
-            draw_circle_2d(xy, (1.0,) * 4, radius, 32)
+            draw_circle_2d(xy, (1.0,) * 4, radius, segments=32)
 
         return generate_from_enum_ex(
             context,
@@ -2150,7 +2150,7 @@ class _defs_gpencil_edit:
             from gpu_extras.presets import draw_circle_2d
             props = tool.operator_properties("gpencil.select_circle")
             radius = props.radius
-            draw_circle_2d(xy, (1.0,) * 4, radius, 32)
+            draw_circle_2d(xy, (1.0,) * 4, radius, segments=32)
 
         return dict(
             idname="builtin.select_circle",
@@ -2372,7 +2372,7 @@ class _defs_node_select:
             from gpu_extras.presets import draw_circle_2d
             props = tool.operator_properties("node.select_circle")
             radius = props.radius
-            draw_circle_2d(xy, (1.0,) * 4, radius, 32)
+            draw_circle_2d(xy, (1.0,) * 4, radius, segments=32)
 
         return dict(
             idname="builtin.select_circle",
diff --git a/release/scripts/startup/bl_ui/space_userpref.py b/release/scripts/startup/bl_ui/space_userpref.py
index d85fe16d654..26ad22d3ac2 100644
--- a/release/scripts/startup/bl_ui/space_userpref.py
+++ b/release/scripts/startup/bl_ui/space_userpref.py
@@ -1815,7 +1815,7 @@ class USERPREF_PT_addons(AddOnPanel, Panel):
         addon_user_dirs = tuple(
             p for p in (
                 os.path.join(prefs.filepaths.script_directory, "addons"),
-                bpy.utils.user_resource('SCRIPTS', "addons"),
+                bpy.utils.user_resource('SCRIPTS', path="addons"),
             )
             if p
         )
diff --git a/release/scripts/startup/bl_ui/space_view3d.py b/release/scripts/startup/bl_ui/space_view3d.py
index df520b38eb0..5f47aa90026 100644
--- a/release/scripts/startup/bl_ui/space_view3d.py
+++ b/release/scripts/startup/bl_ui/space_view3d.py
@@ -7002,7 +7002,7 @@ class VIEW3D_PT_context_properties(Panel):
 
         if member:
             # Draw with no edit button
-            rna_prop_ui.draw(self.layout, context, member, object, False)
+            rna_prop_ui.draw(self.layout, context, member, object, use_edit=False)
 
 
 # Grease Pencil Object - Multiframe falloff tools
diff --git a/release/scripts/startup/nodeitems_builtins.py b/release/scripts/startup/nodeitems_builtins.py
index e7b93dcc5ea..cf125075b3b 100644
--- a/release/scripts/startup/nodeitems_builtins.py
+++ b/release/scripts/startup/nodeitems_builtins.py
@@ -34,7 +34,7 @@ class SortedNodeCategory(NodeCategory):
         if isinstance(items, list):
             items = sorted(items, key=lambda item: item.label.lower())
 
-        super().__init__(identifier, name, description, items)
+        super().__init__(identifier, name, description=description, items=items)
 
 
 class CompositorNodeCategory(SortedNodeCategory):
diff --git a/release/scripts/templates_py/bmesh_simple_editmode.py b/release/scripts/templates_py/bmesh_simple_editmode.py
index d79ba02c2cb..1e7ce8b4495 100644
--- a/release/scripts/templates_py/bmesh_simple_editmode.py
+++ b/release/scripts/templates_py/bmesh_simple_editmode.py
@@ -20,4 +20,4 @@ for v in bm.verts:
 
 # Show the updates in the viewport
 # and recalculate n-gon tessellation.
-bmesh.update_edit_mesh(me, True)
+bmesh.update_edit_mesh(me, loop_triangles=True)