SyntaxError: from __future__ imports must occur at the beginning of the file

[tests.git] / system / tcptest.py

diff --git a/system/tcptest.py b/system/tcptest.py
index f1512b6..e5ff92e 100755 (executable)
--- a/system/tcptest.py
+++ b/system/tcptest.py
@@ -3,6 +3,9 @@
 # Thierry Parmentelat <thierry.parmentelat@inria.fr>
 # Copyright (C) 2010 INRIA 
 #
+
+from __future__ import print_function
+
 import sys
 import time
 import subprocess
@@ -12,8 +15,8 @@ import threading
 from optparse import OptionParser    
 
 def myprint(message, id='client'):
-    now=time.strftime("%H:%M:%S", time.localtime())
-    print "*",now,'(%s)' % id, '--',message
+    now = time.strftime("%H:%M:%S", time.localtime())
+    print("* {now} ({id}) -- {message}".format(**locals()))
     sys.stdout.flush()
 
 def show_network_status(id):
@@ -64,7 +67,7 @@ class Server:
             else:
                 server.serve_forever()        
         except KeyboardInterrupt as e:
-            print 'Bailing out on keyboard interrupt'
+            print('Bailing out on keyboard interrupt')
             sys.exit(1)
             
 class Ready:
@@ -90,7 +93,7 @@ class Ready:
                 s.bind((options.address, options.port))
                 return True
             except Exception as e:
-                print e
+                print(e)
                 return False
 
         def eth0_has_ipv4():
@@ -127,15 +130,15 @@ class Client:
             mout=i*'ping ' + '\n'
             min=mout.upper()
             if s.send(mout) != len(mout):
-                myprint("cannot send %s"%mout.strip())
+                myprint("cannot send {}".format(mout.strip()))
                 result=False
                 break
             line=s.recv(len(min))
             if line is not line:
-                myprint("unexpected reception\ngot:%s\nexpected: %s",line,min)
-                result=False
+                myprint("unexpected reception\ngot:{}\nexpected: {}".format(line, min))
+                result = False
             else:
-                myprint("OK:%s"%mout.strip())
+                myprint("OK:{}".format(mout.strip()))
             # leave the connection open, but the last one (so 1 iter returns fast)
             if i != options.loops:
                 time.sleep(options.sleep)
@@ -158,5 +161,5 @@ if __name__ == '__main__':
         elif arg.find("ready") >= 0:
             sys.argv.remove(arg)
             Ready().main()
-    print 'you must specify either --client or --server'
+    print('you must specify either --client or --server')
     sys.exit(1)