* display a visual error message when a python module is missing

git-svn-id: file:///home/lennart/svn/public/service-discovery-applet/trunk@30 3be567f1-68ff-0310-b24a-ad7cc433fd2f

2 files changed, 21 insertions, 5 deletions

diff --git a/src/service-discovery-applet.in b/src/service-discovery-applet.in
index 65b95b3..69cf1c1 100755
--- a/src/service-discovery-applet.in
+++ b/src/service-discovery-applet.in
@@ -40,9 +40,9 @@ try:
     import gnomeapplet
     import gnome.ui
     import gconf
-except ImportError:
-    error_msg("Sorry, to use this tool you need to install Avahi, pygtk and python-dbus.")
-
+except ImportError, e:
+    error_msg("A python module is missing.\n%s" % (e))
+    sys.exit()
 
 try:
     import dbus.glib
diff --git a/src/service-discovery-config.in b/src/service-discovery-config.in
index a4d274c..12588fd 100755
--- a/src/service-discovery-config.in
+++ b/src/service-discovery-config.in
@@ -13,8 +13,24 @@
 #
 
 import os
-import avahi, gtk, gobject
-import gconf
+import sys
+
+def error_msg(msg):
+    d = gtk.MessageDialog(parent=None, flags=gtk.DIALOG_MODAL,
+                          type=gtk.MESSAGE_ERROR, buttons=gtk.BUTTONS_OK)
+    d.set_markup(msg)
+    d.show_all()
+    d.run()
+    d.destroy()
+    
+try:
+    import gtk
+    import gobject
+    import gconf
+    import avahi
+except ImportError, e:
+    error_msg("A python module is missing.\n%s" % (e))
+    sys.exit()
 
 from avahi.SimpleGladeApp import SimpleGladeApp