Use python3 for osmo_ctrl.py

It's a standalone script illustrating the use of ctrl protocol from
python. Since it's not used as a library and nothing depends on it, we
can safely switch to python3.

Change-Id: I2461dd9af67771beed5306116e8a1b0ee2285aa8

contrib/jenkins.sh

@@ -6,7 +6,7 @@ COM_FLAGS='-m compileall'
 
 # FIXME: remove once python 2 support is deprecated
 PY2=python2
-PY2_LIST="osmopy scripts/osmo_ctrl.py scripts/osmodumpdoc.py scripts/osmotestvty.py scripts/osmotestconfig.py"
+PY2_LIST="osmopy scripts/osmodumpdoc.py scripts/osmotestvty.py scripts/osmotestconfig.py"
 $PY2 ./setup.py install
 $PY2 tests/test_py2.py
 for f in $PY2_LIST
@@ -24,4 +24,7 @@ do
     $PY3 $COM_FLAGS $f
 done
 
+cd scripts
+./osmo_ctrl.py --help
+
 # TODO: add more tests

scripts/osmo_ctrl.py

@@ -1,8 +1,8 @@
-#!/usr/bin/env python2
+#!/usr/bin/env python3
 # -*- mode: python-mode; py-indent-tabs-mode: nil -*-
 """
 /*
- * Copyright (C) 2016 sysmocom s.f.m.c. GmbH
+ * Copyright (C) 2016-2017 sysmocom s.f.m.c. GmbH
  *
  * All Rights Reserved
  *
@@ -21,7 +21,7 @@
  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  */
 """
-from __future__ import print_function
+
 from optparse import OptionParser
 from osmopy.osmo_ipa import Ctrl
 import socket

setup.py

@@ -25,6 +25,7 @@ if sys.version_info.major == 2:
 elif sys.version_info.major == 3:
 	scripts = ["scripts/osmo_interact_vty.py",
 		   "scripts/osmo_interact_ctrl.py",
+                   "scripts/osmo_ctrl.py",
 		   "scripts/soap.py",
 		   "scripts/twisted_ipa.py",
 		   "scripts/osmo_verify_transcript_vty.py",