* Show some messages when pygtk or twisted is missing for the execution of the python scripts

git-svn-id: file:///home/lennart/svn/public/avahi/trunk@237 941a03a8-eaeb-0310-b9a0-b1bbd8fe43fe

1 files changed, 7 insertions, 6 deletions

diff --git a/avahi-utils/avahi-discover.in b/avahi-utils/avahi-discover.in
index fc1b476..6c78c51 100755
--- a/avahi-utils/avahi-discover.in
+++ b/avahi-utils/avahi-discover.in
@@ -19,12 +19,14 @@
 # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
 # USA.
 
-import os
-import gtk
-import gobject
+import os, sys
 
-import avahi, dbus, gobject, sys
-from avahi.SimpleGladeApp import SimpleGladeApp
+try:
+    import avahi, gtk, gobject, dbus
+    from avahi.SimpleGladeApp import SimpleGladeApp
+except ImportError:
+    print "Sorry, to use this tool you need to install Avahi, pygtk and python-dbus."
+    sys.exit(1)
 
 try:
     import dbus.glib
@@ -34,7 +36,6 @@ except ImportError, e:
 service_type_browsers = {}
 service_browsers = {}
 
-
 glade_dir = "@interfacesdir@"
 
 class Main_window(SimpleGladeApp):