Use configuration in foursquare module

my/common.py

@@ -93,3 +93,17 @@ def setup_logger(logger, level=None, format=None, datefmt=None):
 
 
 PathIsh = Union[Path, str]
+
+
+# TODO use glob or something? see in promnesia
+def get_files(pp: PathIsh, glob: str) -> List[Path]: 
+    """
+    Helper function to avoid boilerplate.
+    """
+    path = Path(pp)
+    if path.is_dir():
+        return list(sorted(path.glob(glob)))
+    else:
+        # TODO FIXME assert matches glob??
+        raise RuntimeError()
+        return path