feat(FileLocation): set and validate in one (public-ish) method

pkg-py/src/brand_yaml/__init__.py

@@ -113,12 +113,10 @@ def resolve_paths(self):
             recurse_dicts_and_models(
                 self,
                 pred=lambda value: isinstance(value, FileLocation),
-                modify=lambda value: value._update_root_dir(path.parent),
-            )
-            recurse_dicts_and_models(
-                self,
-                pred=lambda value: isinstance(value, FileLocation),
-                modify=lambda value: value._validate_path_exists(),
+                modify=lambda value: value.set_root_dir(
+                    path.parent,
+                    validate_path=True,
+                ),
             )
         return self
 

pkg-py/src/brand_yaml/_path.py

@@ -7,29 +7,32 @@
 
 class FileLocation(RootModel):
     root: HttpUrl | Path
-    _root_dir: Path
+    _root_dir: Path | None = None
 
     def __init__(self, path: str | Path | HttpUrl):
         super().__init__(path)
-        self._root_dir = Path(".").absolute()
 
     def __call__(self) -> Path | HttpUrl:
+        if self._root_dir is None:
+            return self.root
+
         if isinstance(self.root, Path):
             if self.root.is_absolute():
                 return self.root
             return self._root_dir / self.root
+
         return self.root
 
-    def _update_root_dir(self, root_dir: Path) -> bool:
+    def set_root_dir(self, root_dir: Path, validate_path: bool = False) -> None:
         self._root_dir = root_dir
-        return False
 
-    def _validate_path_exists(self) -> bool:
+        if validate_path:
+            self._validate_path_exists()
+
+    def _validate_path_exists(self) -> None:
         path = self()
         if not path or not isinstance(path, Path):
-            return False
+            return
 
         if not path.exists():
             raise FileNotFoundError(f"File not found: {path}")
-
-        return False

pkg-py/src/brand_yaml/_utils.py

@@ -1,7 +1,7 @@
 from __future__ import annotations
 
 from pathlib import Path
-from typing import Any, Callable, Dict, List
+from typing import Any, Callable, Dict, List, Union
 
 from pydantic import BaseModel
 
@@ -34,7 +34,7 @@ def find_project_brand_yaml(dir_: Path) -> Path:
 
 
 PredicateFuncType = Callable[[Any], bool]
-ModifyFuncType = Callable[[Any], bool]
+ModifyFuncType = Callable[[Any], Union[bool, None]]
 
 
 def recurse_dicts_and_models(