Unify resolution of absolute paths or config dir paths

kittens/hints/main.py

@@ -19,7 +19,9 @@ from kitty.constants import website_url
 from kitty.fast_data_types import get_options, set_clipboard_string
 from kitty.key_encoding import KeyEvent
 from kitty.typing import BossType, KittyCommonOpts
-from kitty.utils import ScreenSize, screen_size_function, set_primary_selection
+from kitty.utils import (
+    ScreenSize, resolve_custom_file, screen_size_function, set_primary_selection
+)
 
 from ..tui.handler import Handler, result_handler
 from ..tui.loop import Loop
@@ -414,7 +416,6 @@ def load_custom_processor(customize_processing: str) -> Any:
         return {k: getattr(m, k) for k in dir(m)}
     if customize_processing == '::linenum::':
         return {'mark': linenum_marks, 'handle_result': linenum_handle_result}
-    from kitty.constants import resolve_custom_file
     custom_path = resolve_custom_file(customize_processing)
     import runpy
     return runpy.run_path(custom_path, run_name='__main__')

kittens/runner.py

@@ -10,6 +10,7 @@ from functools import partial
 from typing import TYPE_CHECKING, Any, Dict, FrozenSet, Generator, List, cast
 
 from kitty.types import run_once
+from kitty.utils import resolve_abs_or_config_path
 
 
 aliases = {'url_hints': 'hints'}
@@ -27,11 +28,8 @@ def resolved_kitten(k: str) -> str:
 
 
 def path_to_custom_kitten(config_dir: str, kitten: str) -> str:
-    path = os.path.expanduser(kitten)
-    if not os.path.isabs(path):
-        path = os.path.join(config_dir, path)
-    path = os.path.abspath(path)
-    return path
+    path = resolve_abs_or_config_path(kitten, None, config_dir)
+    return os.path.abspath(path)
 
 
 @contextmanager