1 files changed, 20 insertions, 9 deletions
diff --git a/grc/scripts/gnuradio-companion b/grc/scripts/gnuradio-companion
index bacbbe2334..de776f22a7 100755
--- a/grc/scripts/gnuradio-companion
+++ b/grc/scripts/gnuradio-companion
@@ -37,11 +37,13 @@ Is the library path environment variable set correctly?
 def die(error, message):
     msg = "{0}\n\n({1})".format(message, error)
     try:
-        import gtk
-        d = gtk.MessageDialog(
-            type=gtk.MESSAGE_ERROR,
-            buttons=gtk.BUTTONS_CLOSE,
-            message_format=msg,
+        import gi
+        gi.require_version('Gtk', '3.0')
+        from gi.repository import Gtk
+        d = Gtk.MessageDialog(
+            message_type=Gtk.MessageType.ERROR,
+            buttons=Gtk.ButtonsType.CLOSE,
+            text=msg,
         )
         d.set_title(type(error).__name__)
         d.run()
@@ -53,10 +55,13 @@ def die(error, message):
 def check_gtk():
     try:
         warnings.filterwarnings("error")
-        import pygtk
-        pygtk.require('2.0')
-        import gtk
-        gtk.init_check()
+        import gi
+        gi.require_version('Gtk', '3.0')
+        gi.require_version('PangoCairo', '1.0')
+        gi.require_foreign('cairo', 'Context')
+
+        from gi.repository import Gtk
+        Gtk.init_check()
         warnings.filterwarnings("always")
     except Exception as err:
         die(err, "Failed to initialize GTK. If you are running over ssh, "
@@ -76,6 +81,11 @@ def check_blocks_path():
             "Can't find block definitions. Use config.conf or GRC_BLOCKS_PATH.")
 
 
+def check_python_version():
+    if sys.version_info.major > 2:
+        die(RuntimeError('No python3 support yet.'), 'Stay tuned...')
+
+
 def run_main():
     script_path = os.path.dirname(os.path.abspath(__file__))
     source_tree_subpath = "/grc/scripts"
@@ -93,5 +103,6 @@ def run_main():
 if __name__ == '__main__':
     check_gnuradio_import()
     check_gtk()
+    check_python_version()
     check_blocks_path()
     run_main()