Fix cli priority, add a docstring to with_config, fix type annotation…

… of config_class

dfint64_patch/config.py

@@ -1,30 +1,35 @@
 import functools
 from collections.abc import Callable
-from typing import TypeVar
+from typing import Type, TypeVar
 
 from loguru import logger
 from omegaconf import DictConfig, OmegaConf
 
 T = TypeVar("T", bound=DictConfig)
 
 
-def with_config(config_class: type, *config_files: str) -> Callable[[Callable[[T], None]], Callable[[], None]]:
+def with_config(config_class: Type[T], *config_files: str) -> Callable[[Callable[[T], None]], Callable[[], None]]:
     """
     A decorator to load the config file and merge it with the CLI options.
+
+    :param config_class: A class, which describes the possible configuration parameters.
+        Should be inherited from `omegaconf.DictConfig`.
+    :param config_files: Names of configs. The closer a file is to the end of the list, the higher its priority.
+        Default config should be the first in the list. CLI options have the highest priority.
     """
 
     def decorator(func: Callable[[T], None]) -> Callable[[], None]:
         @functools.wraps(func)
         def wrapper() -> None:
             config = OmegaConf.structured(config_class)
 
-            config.merge_with(OmegaConf.from_cli())
-
             for config_file in config_files:
                 try:
                     config.merge_with(OmegaConf.load(config_file))
                 except FileNotFoundError:  # noqa: PERF203
-                    logger.info(f"Config {config_file} not found, using CLI options only")
+                    logger.info(f"Config {config_file} not found")
+
+            config.merge_with(OmegaConf.from_cli())
 
             missing = ", ".join(OmegaConf.missing_keys(config))
             if missing: