Add split path util

mopidy/utils/path.py

@@ -35,6 +35,16 @@ def uri_to_path(uri):
         path = urllib.url2pathname(re.sub('^file://', '', uri))
     return path.encode('latin1').decode('utf-8') # Undo double encoding
 
+def split_path(path):
+    parts = []
+    while True:
+        path, part = os.path.split(path)
+        if part:
+            parts.insert(0, part)
+        if not path or path == '/':
+            break
+    return parts
+
 def find_files(path):
     if os.path.isfile(path):
         yield os.path.abspath(path)

tests/utils/path_test.py

@@ -7,7 +7,7 @@ import tempfile
 import unittest
 
 from mopidy.utils.path import (get_or_create_folder,
-    path_to_uri, uri_to_path, find_files)
+    path_to_uri, uri_to_path, split_path, find_files)
 
 from tests import SkipTest, data_folder
 
@@ -98,6 +98,26 @@ class UriToPathTest(unittest.TestCase):
             self.assertEqual(result, u'/tmp/æøå')
 
 
+class SplitPathTest(unittest.TestCase):
+    def test_empty_path(self):
+        self.assertEqual([], split_path(''))
+
+    def test_single_folder(self):
+        self.assertEqual(['foo'], split_path('foo'))
+
+    def test_folders(self):
+        self.assertEqual(['foo', 'bar', 'baz'], split_path('foo/bar/baz'))
+
+    def test_folders(self):
+        self.assertEqual(['foo', 'bar', 'baz'], split_path('foo/bar/baz'))
+
+    def test_initial_slash_is_ignored(self):
+        self.assertEqual(['foo', 'bar', 'baz'], split_path('/foo/bar/baz'))
+
+    def test_only_slash(self):
+        self.assertEqual([], split_path('/'))
+
+
 class FindFilesTest(unittest.TestCase):
     def find(self, path):
         return list(find_files(data_folder(path)))