add append_path (#5)

iwutil/__init__.py

@@ -5,7 +5,7 @@
 import pandas as pd
 from pathlib import Path
 import shutil
-
+import sys
 
 def subplots_autolayout(
     n, *args, n_rows=None, figsize=None, layout="constrained", **kwargs
@@ -164,3 +164,14 @@ def this_dir(file):
     Get the directory of the file
     """
     return Path(file).parent
+
+def append_path(path):
+    """
+    Append a path to the current path
+
+    Parameters
+    ----------
+    path : str or Path
+        Path to append
+    """
+    sys.path.append(str(path))

tests/test_init.py

@@ -1,6 +1,7 @@
 import iwutil
 import tempfile
 from pathlib import Path
+import sys
 
 
 def test_check_and_combine_options():
@@ -117,3 +118,8 @@ def test_this_dir():
     file_path = ""
     expected_dir = Path(".")
     assert iwutil.this_dir(file_path) == expected_dir
+
+
+def test_append_path():
+    iwutil.append_path(".")
+    assert "." in sys.path