diff --git a/tools.py b/tools.py
new file mode 100644
index 0000000..fe30842
--- /dev/null
+++ b/tools.py
@@ -0,0 +1,45 @@
+import os
+import time
+import logging
+import traceback
+
+from datetime import datetime, timedelta
+from pathlib import Path
+
+from functools import wraps
+
+###########
+# LOGGING #
+###########
+
+logger = logging.getLogger("acoused")
+
+#########
+# WRAPS #
+#########
+
+def trace(func):
+    @wraps(func)
+    def wrapper(*args, **kwargs):
+        t = time.time()
+        head = f"[TRACE]"
+        logger.debug(
+            f"{head} Call {func.__module__}." +
+            f"{func.__qualname__}({args}, {kwargs})"
+        )
+
+        value = func(*args, **kwargs)
+
+        t1 = time.time()
+        logger.debug(
+            f"{head} Return {func.__module__}." +
+            f"{func.__qualname__}: {value}"
+        )
+        logger.debug(
+            f"{head}[TIME] {func.__module__}." +
+            f"{func.__qualname__}: {t1-t} sec"
+        )
+
+        return value
+
+    return wrapper