[pitivi] sourcelist: Escape names for markup. Fixes #583592

[Edward Hervey <edwardrv src gnome org>]

commit 1dc4d082025932d7f9698719a1c50be06808541c
Author: Edward Hervey <bilboed bilboed com>
Date:   Sat May 23 10:31:02 2009 +0200

    sourcelist: Escape names for markup. Fixes #583592
---
 pitivi/ui/sourcelist.py |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)

diff --git a/pitivi/ui/sourcelist.py b/pitivi/ui/sourcelist.py
index 944b3e9..cbb2202 100644
--- a/pitivi/ui/sourcelist.py
+++ b/pitivi/ui/sourcelist.py
@@ -27,6 +27,7 @@ import os
 import time
 
 from urllib import unquote
+from xml.sax.saxutils import escape
 from gettext import gettext as _
 from gettext import ngettext
 
@@ -121,7 +122,7 @@ def beautify_factory(factory):
 
     streams = factory.getOutputStreams()
     streams.sort(key=stream_sort_key)
-    return ("<b>" + unquote(factory.displayname) + "</b>\n" +
+    return ("<b>" + escape(unquote(factory.displayname)) + "</b>\n" +
         "\n".join((beautify_stream(stream) for stream in streams)))
 
 class SourceList(gtk.VBox, Loggable):