Bugfix for the removal of empty sub-directories.

sigal/gallery.py

@@ -105,7 +105,8 @@ class PathsDb(object):
                 self.db['paths_list'].remove(path)
                 del self.db[path]
                 parent = os.path.normpath(join(path, '..'))
-                self.db[parent]['subdir'].remove(path)
+                child = os.path.relpath(path, parent)
+                self.db[parent]['subdir'].remove(child)
 
     def check_thumbnail(self, path):
         "Find the thumbnail image for a given path."

tests/test_gallery.py

@@ -60,7 +60,7 @@ class TestPathsDb(unittest.TestCase):
 
         self.assertListEqual(self.db['paths_list'],
                              ['.', 'dir1', 'dir1/test1', 'dir1/test2', 'dir2'])
-        self.assertListEqual(self.db['skipped_dir'], ['empty'])
+        self.assertItemsEqual(self.db['skipped_dir'], ['empty', 'dir1/empty'])
 
         self.assertListEqual(self.db['.']['img'], [])
         self.assertItemsEqual(self.db['.']['subdir'], ['dir1', 'dir2'])