[gnome-music/wip/merge: 276/343] albumArtCache: remove double spaces

[Ignacio Casal Quinteiro <icq src gnome org>]

commit 21132b70840dcfa29844d9e782a8a01dcf1a5cd7
Author: Vadim Rutkovsky <vrutkovs redhat com>
Date:   Thu Jul 18 19:53:25 2013 +0200

    albumArtCache: remove double spaces

 gnomemusic/albumArtCache.py |    6 +++++-
 1 files changed, 5 insertions(+), 1 deletions(-)
---
diff --git a/gnomemusic/albumArtCache.py b/gnomemusic/albumArtCache.py
index b93c588..ad6e6e1 100644
--- a/gnomemusic/albumArtCache.py
+++ b/gnomemusic/albumArtCache.py
@@ -240,7 +240,11 @@ class AlbumArtCache:
         string = self.angle_brackets.sub('', string)
         string = self.parentheses.sub('', string)
         # Strip invalid chars
-        return string.strip('_! #$^&*+=|\\\/\"\'?~').strip().lower()
+        string = string.strip('_! #$^&*+=|\\\/\"\'?~')
+        # Remove double spaces
+        string = string.replace('  ', ' ')
+        # Remove trailing spaces and convert to lowercase
+        return string.strip().lower()
 
     def get_from_uri(self, uri, artist, album, width, height, callback):
         if not uri: