Cleanup: use percentage formatting

`str.format` and `f-string` use was minimal.
Prefer using a single style of string formatting
unless an alternative is more widely adopted.

release/scripts/modules/addon_utils.py

@@ -172,8 +172,8 @@ def modules_refresh(module_cache=addons_fake_modules):
                 if mod.__file__ != mod_path:
                     print(
                         "multiple addons with the same name:\n"
-                        "  " f"{mod.__file__!r}" "\n"
-                        "  " f"{mod_path!r}"
+                        "  %r\n"
+                        "  %r" % (mod.__file__, mod_path)
                     )
                     error_duplicates.append((mod.bl_info["name"], mod.__file__, mod_path))
 
@@ -241,7 +241,7 @@ def check(module_name):
 
     if loaded_state is Ellipsis:
         print(
-            "Warning: addon-module " f"{module_name:s}" " found module "
+            "Warning: addon-module", module_name, "found module "
             "but without '__addon_enabled__' field, "
             "possible name collision from file:",
             repr(getattr(mod, "__file__", "<unknown>")),
@@ -439,8 +439,9 @@ def disable(module_name, *, default_set=False, handle_error=None):
             handle_error(ex)
     else:
         print(
-            "addon_utils.disable: " f"{module_name:s}" " not",
-            ("disabled" if mod is None else "loaded")
+            "addon_utils.disable: %s not %s" % (
+                module_name,
+                "disabled" if mod is None else "loaded")
         )
 
     # could be in more than once, unlikely but better do this just in case.
@@ -502,7 +503,7 @@ def _blender_manual_url_prefix():
     else:
         manual_version = "dev"
 
-    return f"https://docs.blender.org/manual/en/{manual_version}"
+    return "https://docs.blender.org/manual/en/" + manual_version
 
 
 def module_bl_info(mod, info_basis=None):
@@ -544,11 +545,11 @@ def module_bl_info(mod, info_basis=None):
             addon_info["doc_url"] = doc_url
         if _bpy.app.debug:
             print(
-                "Warning: add-on \"{addon_name}\": 'wiki_url' in 'bl_info' "
+                "Warning: add-on \"%s\": 'wiki_url' in 'bl_info' "
                 "is deprecated please use 'doc_url' instead!\n"
-                "         {addon_path}".format(
-                    addon_name=addon_info['name'],
-                    addon_path=getattr(mod, "__file__", None),
+                "         %s" % (
+                    addon_info['name'],
+                    getattr(mod, "__file__", None),
                 )
             )