Add prerequisite checking before startup

1 files changed, 12 insertions, 5 deletions

diff --git a/portato/gui/__init__.py b/portato/gui/__init__.py
index 5bbe4c8..e3f1172 100644
--- a/portato/gui/__init__.py
+++ b/portato/gui/__init__.py
@@ -3,7 +3,7 @@
 # File: portato/gui/__init__.py
 # This file is part of the Portato-Project, a graphical portage-frontend.
 #
-# Copyright (C) 2006-2008 René 'Necoro' Neumann
+# Copyright (C) 2006-2009 René 'Necoro' Neumann
 # This is free software.  You may redistribute copies of it under the terms of
 # the GNU General Public License version 2.
 # There is NO WARRANTY, to the extent permitted by law.
@@ -12,8 +12,10 @@
 
 from __future__ import absolute_import
 
-from .. import get_listener
+from ..helper import error
 from .exception_handling import register_ex_handler
+from .exceptions import PreReqError
+from .dialogs import prereq_error_dialog
 
 def run ():
     from .windows.splash import SplashScreen
@@ -23,6 +25,11 @@ def run ():
     s.show()
     
     from .windows.main import MainWindow
-    m = MainWindow(s)
-    s.hide()
-    m.main()
+    try:
+        m = MainWindow(s)
+        s.hide()
+        m.main()
+    except PreReqError, e:
+        error("Prerequisite not matched. Aborting.")
+        prereq_error_dialog(e)
+        s.hide()