feat: add function which finds tdp-lib root folder

Author: SteBaum

tdp/find_tdp_lib_root_folder.py

@@ -0,0 +1,27 @@
+# Copyright 2022 TOSIT.IO
+# SPDX-License-Identifier: Apache-2.0
+
+from pathlib import Path
+from typing import Optional
+
+
+def find_tdp_lib_root_folder(current_path: Optional[Path] = None):
+    # If current_path is not provided, start from the directory of this file
+    if current_path is None:
+        current_path = Path(__file__).parent
+
+    while True:
+        # Check if 'pyproject.toml' exists in the current directory
+        if (current_path / "pyproject.toml").exists():
+            return current_path.resolve()
+
+        parent_path = current_path.parent
+        # If the parent path is the same as the current path, we have reached the root directory
+        if parent_path == current_path:
+            return None
+
+        current_path = parent_path
+
+
+if __name__ == "__main__":
+    print(find_tdp_lib_root_folder())