systematic use of context managers for dealing with files instead of open()/close...

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

diff --git a/examples/openvswitch/ping_over_udpTapTunnel_performance_test_triangleTopo.py b/examples/openvswitch/ping_over_udpTapTunnel_performance_test_triangleTopo.py
index 75575c1..51e4a03 100644 (file)
--- a/examples/openvswitch/ping_over_udpTapTunnel_performance_test_triangleTopo.py
+++ b/examples/openvswitch/ping_over_udpTapTunnel_performance_test_triangleTopo.py
@@ -180,44 +180,42 @@ ping23 = ec.trace(app23, 'stdout')
 ping24 = ec.trace(app24, 'stdout')
 ping25 = ec.trace(app25, 'stdout')
 
-f = open("examples/openvswitch/ping_over_udpTapTunnel_performance_test.txt", 'w')
+with open("examples/openvswitch/ping_over_udpTapTunnel_performance_test.txt", 'w') as f:
 
-if not ping25:
-  ec.shutdown()
+    if not ping25:
+        ec.shutdown()
   
 
-f.write("************ Ping From Host 1 : 192.168.3.1 ********************\n\n")
-f.write(ping1)
-f.write("----------------------------------------\n\n")
-f.write(ping2)
-f.write("----------------------------------------\n\n")
-f.write(ping3)
-f.write("----------------------------------------\n\n")
-f.write(ping4)
-f.write("----------------------------------------\n\n")
-f.write(ping5)
-f.write("************ Ping From Host 2 : 192.168.3.13 ********************\n\n")
-f.write(ping11)
-f.write("----------------------------------------\n\n")
-f.write(ping12)
-f.write("----------------------------------------\n\n")
-f.write(ping13)
-f.write("----------------------------------------\n\n")
-f.write(ping14)
-f.write("----------------------------------------\n\n")
-f.write(ping15)
-f.write("************ Ping From Host 3 : 192.168.3.25 ********************\n\n")
-f.write(ping21)
-f.write("----------------------------------------\n\n")
-f.write(ping22)
-f.write("----------------------------------------\n\n")
-f.write(ping23)
-f.write("----------------------------------------\n\n")
-f.write(ping24)
-f.write("----------------------------------------\n\n")
-f.write(ping25)
-
-f.close()
+    f.write("************ Ping From Host 1 : 192.168.3.1 ********************\n\n")
+    f.write(ping1)
+    f.write("----------------------------------------\n\n")
+    f.write(ping2)
+    f.write("----------------------------------------\n\n")
+    f.write(ping3)
+    f.write("----------------------------------------\n\n")
+    f.write(ping4)
+    f.write("----------------------------------------\n\n")
+    f.write(ping5)
+    f.write("************ Ping From Host 2 : 192.168.3.13 ********************\n\n")
+    f.write(ping11)
+    f.write("----------------------------------------\n\n")
+    f.write(ping12)
+    f.write("----------------------------------------\n\n")
+    f.write(ping13)
+    f.write("----------------------------------------\n\n")
+    f.write(ping14)
+    f.write("----------------------------------------\n\n")
+    f.write(ping15)
+    f.write("************ Ping From Host 3 : 192.168.3.25 ********************\n\n")
+    f.write(ping21)
+    f.write("----------------------------------------\n\n")
+    f.write(ping22)
+    f.write("----------------------------------------\n\n")
+    f.write(ping23)
+    f.write("----------------------------------------\n\n")
+    f.write(ping24)
+    f.write("----------------------------------------\n\n")
+    f.write(ping25)
 
 # Delete the overlay network
 ec.shutdown()