[alacarte] util: Don't fail when loading non-existant icon paths

[Jasper St. Pierre <jstpierre src gnome org>]

commit 45083e538491363db9c972a43240c453965f7274
Author: Jasper St. Pierre <jstpierre mecheye net>
Date:   Tue Jun 19 15:11:20 2012 -0400

    util: Don't fail when loading non-existant icon paths

 Alacarte/util.py |    8 +++++++-
 1 files changed, 7 insertions(+), 1 deletions(-)
---
diff --git a/Alacarte/util.py b/Alacarte/util.py
index 93c2372..50d836d 100644
--- a/Alacarte/util.py
+++ b/Alacarte/util.py
@@ -21,6 +21,9 @@ import xml.dom.minidom
 from collections import Sequence
 from gi.repository import Gtk, GdkPixbuf, GMenu, GLib
 
+# XXX: look into pygobject error marshalling
+from gi._glib import GError
+
 DESKTOP_GROUP = GLib.KEY_FILE_DESKTOP_GROUP
 KEY_FILE_FLAGS = GLib.KeyFileFlags.KEEP_COMMENTS | GLib.KeyFileFlags.KEEP_TRANSLATIONS
 
@@ -148,7 +151,10 @@ def getIcon(item):
     info = icon_theme.lookup_by_gicon(gicon, 24, 0)
     if info is None:
         return None
-    pixbuf = info.load_icon()
+    try:
+        pixbuf = info.load_icon()
+    except GError:
+        return None
     if pixbuf is None:
         return None
     if pixbuf.get_width() != 24 or pixbuf.get_height() != 24: