diff -Naur quodlibet-2.5.orig/setup.py quodlibet-2.5.new/setup.py
--- quodlibet-2.5.orig/setup.py	2012-12-19 08:47:41.000000000 +0000
+++ quodlibet-2.5.new/setup.py	2013-04-22 19:27:07.152631051 +0000
@@ -337,5 +338,14 @@
                 }
             }
         })
+    else:
+        from os.path import join
+
+        data_files = []
+        for type in ["playorder", "songsmenu", "editing", "events", "gstreamer"]:
+            data_files.append((join('quodlibet', 'plugins', type),
+                               glob.glob(join('..', 'plugins', type, '*.py'))))
+        setup_kwargs.update({ 'data_files': data_files });
+
     setup(**setup_kwargs)