Support normalising str and Iterable[str] as well

normalisename.py

@@ -1,6 +1,7 @@
 from os.path import basename, dirname
 from os.path import join as joinpath
 from re import sub
+from collections.abc import Iterable
 
 from unidecode import unidecode
 
@@ -29,13 +30,24 @@ class Normalisename:
     def whitelist(self):
         return self._whitelist.union({self.separator})
 
-    def __call__(self, paths):
+    def __call__(self, path_or_paths):
+        if isinstance(path_or_paths, str):
+            self.normalise(path_or_paths)
+        elif isinstance(path_or_paths, Iterable):
+            self.normalise_all(path_or_paths)
+        else:
+            raise ValueError('Argument must be str Iterable[str]!')
+
+    def normalise_all(self, paths):
         for path in paths:
-            directory = dirname(path)
-            filename = basename(path)
-            normalpath = joinpath(directory, self.normalname(filename))
-            if path != normalpath:
-                self.operation(path, normalpath)  # pylint: disable=not-callable
+            self.normalise(path)
+
+    def normalise(self, path):
+        directory = dirname(path)
+        filename = basename(path)
+        normalpath = joinpath(directory, self.normalname(filename))
+        if path != normalpath:
+            self.operation(path, normalpath)  # pylint: disable=not-callable
 
     def check_normal(self, path):
         filename = basename(path)