use print() - import print_function - should be fine for both py2 and py3

[nepi.git] / examples / openvswitch / ovs_ping.py

diff --git a/examples/openvswitch/ovs_ping.py b/examples/openvswitch/ovs_ping.py
index e33e8db..7f50846 100644 (file)
--- a/examples/openvswitch/ovs_ping.py
+++ b/examples/openvswitch/ovs_ping.py
@@ -4,9 +4,8 @@
 #    Copyright (C) 2013 INRIA
 #
 #    This program is free software: you can redistribute it and/or modify
-#    it under the terms of the GNU General Public License as published by
-#    the Free Software Foundation, either version 3 of the License, or
-#    (at your option) any later version.
+#    it under the terms of the GNU General Public License version 2 as
+#    published by the Free Software Foundation;
 #
 #    This program is distributed in the hope that it will be useful,
 #    but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ -33,6 +32,8 @@
 # $ PYTHONPATH=$PYTHONPATH:src/ python examples/openvswitch/ovs_ping.py -n "192.168.3.0/24" -s <slicename> -i /~/.ssh/id_rsa
 #
 
+from __future__ import print_function
+
 from nepi.execution.ec import ExperimentController
 
 import os
@@ -62,8 +63,7 @@ def parse_args():
         help="Overlay network address of the form x.x.x.x/yy. "
             "Must correspond to the vsys_vnet tag on the PlanetLab slice")
     parser.add_option("-C", "--controller", dest="controller", 
-        help="IP address for the OpenFlow controller, if one has been deployed",
-        default="1.1.1.1")
+        help="IP address for the OpenFlow controller, if one has been deployed")
     parser.add_option("-s", "--slicename", dest="slicename", 
         help="Name of PlanetLab slice", 
         default=pl_slice)
@@ -155,9 +155,7 @@ ec.wait_finished([app])
 # Retreive ping results and save them in a file
 ping = ec.trace(app, "stdout")
 
-print ping
+print(ping)
 
 # Delete the overlay network
 ec.shutdown()
-
-