1 files changed, 23 insertions, 0 deletions
diff --git a/tools/cru-py/cru/_path.py b/tools/cru-py/cru/_path.py
new file mode 100644
index 0000000..a131c41
--- /dev/null
+++ b/tools/cru-py/cru/_path.py
@@ -0,0 +1,23 @@
+from pathlib import Path
+
+from ._error import CruException
+
+
+class CruPathError(CruException):
+    def __init__(self, message, _path: Path, *args, **kwargs):
+        super().__init__(message, *args, **kwargs)
+        self._path = _path
+
+    @property
+    def path(self) -> Path:
+        return self._path
+
+
+class CruPath(Path):
+    def check_parents_dir(self, must_exist: bool = False) -> bool:
+        for p in reversed(self.parents):
+            if not p.exists() and not must_exist:
+                return False
+            if not p.is_dir():
+                raise CruPathError("Parents path must be a dir.", self)
+        return True