diff --git a/ogstools/definitions.py b/ogstools/definitions.py
new file mode 100644
index 0000000000000000000000000000000000000000..6b2605693db1ba9ba92daafe849f61d7f3207c9d
--- /dev/null
+++ b/ogstools/definitions.py
@@ -0,0 +1,3 @@
+import pathlib
+
+ROOT_DIR = pathlib.Path(__file__).parent.resolve()