[kupfer] plugin.rhythmbox_support: Add doctest runner

[Ulrik Sverdrup <usverdrup src gnome org>]

commit e7767a46ad7e8e99fbedb2c31bdf0e9821a54113
Author: Ulrik Sverdrup <ulrik sverdrup gmail com>
Date:   Mon Sep 14 14:07:20 2009 +0200

    plugin.rhythmbox_support: Add doctest runner

 kupfer/plugin/rhythmbox_support.py |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)
---
diff --git a/kupfer/plugin/rhythmbox_support.py b/kupfer/plugin/rhythmbox_support.py
index cbc5ad9..44690c4 100644
--- a/kupfer/plugin/rhythmbox_support.py
+++ b/kupfer/plugin/rhythmbox_support.py
@@ -108,3 +108,6 @@ def parse_rhythmbox_artists(songs):
 		sort_album_order(artists[artist])
 	return artists
 
+if __name__ == '__main__':
+	import doctest
+	doctest.testmod()