some simplifications

Author: yaugenst-flex

tidy3d/config/loader.py

@@ -25,7 +25,6 @@ def __init__(self, config_dir: Optional[Path] = None):
         self.config_dir = config_dir or resolve_config_directory()
         self.config_dir.mkdir(mode=0o700, parents=True, exist_ok=True)
         self._docs: dict[Path, tomlkit.TOMLDocument] = {}
-        self._descriptions: Optional[dict[tuple[str, ...], str]] = None
 
     def load_base(self) -> dict[str, Any]:
         """Load base configuration from config.toml."""
@@ -101,8 +100,7 @@ def _atomic_write(self, path: Path, data: dict[str, Any]) -> None:
         tmp_dir = path.parent
 
         cleaned = _clean_data(deepcopy(data))
-        descriptions = self._descriptions or collect_descriptions()
-        self._descriptions = descriptions
+        descriptions = collect_descriptions()
 
         base_document = self._docs.get(path)
         document = build_document(cleaned, base_document, descriptions)
@@ -175,7 +173,7 @@ def _merge_into(target: dict[str, Any], source: dict[str, Any]) -> None:
             if isinstance(node, dict):
                 _merge_into(node, value)
             else:
-                target[key] = _deep_copy_dict(value)
+                target[key] = deepcopy(value)
         else:
             target[key] = value
 
@@ -194,7 +192,7 @@ def deep_diff(base: dict[str, Any], target: dict[str, Any]) -> dict[str, Any]:
                 diff[key] = nested
         elif target_value != base_value:
             if isinstance(target_value, dict):
-                diff[key] = _deep_copy_dict(target_value)
+                diff[key] = deepcopy(target_value)
             else:
                 diff[key] = target_value
     return diff
@@ -207,13 +205,6 @@ def _assign_path(target: dict[str, Any], path: tuple[str, ...], value: Any) -> N
     node[path[-1]] = value
 
 
-def _deep_copy_dict(data: dict[str, Any]) -> dict[str, Any]:
-    return {
-        key: _deep_copy_dict(value) if isinstance(value, dict) else value
-        for key, value in data.items()
-    }
-
-
 def _clean_data(data: Any) -> Any:
     if isinstance(data, dict):
         cleaned: dict[str, Any] = {}

tidy3d/config/profiles.py

@@ -54,6 +54,4 @@
     },
 }
 
-INTERNAL_PROFILES = {key for key in BUILTIN_PROFILES if key not in {"default"}}
-
-__all__ = ["BUILTIN_PROFILES", "INTERNAL_PROFILES"]
+__all__ = ["BUILTIN_PROFILES"]