diff --git a/TestON/tests/ProdFunc/ProdFunc.py b/TestON/tests/ProdFunc/ProdFunc.py
old mode 100755
new mode 100644
index a9a9bb6..6f4b72b
--- a/TestON/tests/ProdFunc/ProdFunc.py
+++ b/TestON/tests/ProdFunc/ProdFunc.py
@@ -1,20 +1,23 @@
 
-#Testing the basic functionality of ONOS Next
-#For sanity and driver functionality excercises only.
+# Testing the basic functionality of ONOS Next
+# For sanity and driver functionality excercises only.
 
 import time
-import sys
-import os
-import re
+# import sys
+# import os
+# import re
 import json
 
-time.sleep(1)
+time.sleep( 1 )
+
+
 class ProdFunc:
-    def __init__(self):
+
+    def __init__( self ):
         self.default = ''
 
-    def CASE1(self, main):
-        '''
+    def CASE1( self, main ):
+        """
         Startup sequence:
         cell <name>
         onos-verify-cell
@@ -24,1077 +27,1369 @@
         onos-package
         onos-install -f
         onos-wait-for-start
-        '''
-        
-        cell_name = main.params['ENV']['cellName']
-        ONOS1_ip = main.params['CTRL']['ip1']
-        ONOS1_port = main.params['CTRL']['port1']
-        
-        main.case("Setting up test environment")
-        main.log.report("This testcase is testing setting up test environment")
-        main.log.report("__________________________________") 
+        """
+        cellName = main.params[ 'ENV' ][ 'cellName' ]
+        ONOS1Ip = main.params[ 'CTRL' ][ 'ip1' ]
 
-        main.step("Applying cell variable to environment")
-        cell_result = main.ONOSbench.set_cell(cell_name)
-        verify_result = main.ONOSbench.verify_cell()
-        
-        main.step("Removing raft logs before a clen installation of ONOS")
-        main.ONOSbench.onos_remove_raft_logs()
+        main.case( "Setting up test environment" )
+        main.log.report(
+            "This testcase is testing setting up test environment" )
+        main.log.report( "__________________________________" )
 
-        main.step("Git checkout and pull master and get version")
-        main.ONOSbench.git_checkout("master")
-        git_pull_result = main.ONOSbench.git_pull()
-        main.log.info("git_pull_result = " +git_pull_result)
-        version_result = main.ONOSbench.get_version(report=True)
-    
-        if git_pull_result == 1:
-            main.step("Using mvn clean & install")
-            clean_install_result = main.ONOSbench.clean_install()
-            #clean_install_result = main.TRUE
-        elif git_pull_result == 0:
-            main.log.report("Git Pull Failed, look into logs for detailed reason")
+        main.step( "Applying cell variable to environment" )
+        cellResult = main.ONOSbench.setCell( cellName )
+        verifyResult = main.ONOSbench.verifyCell()
+
+        main.step( "Removing raft logs before a clen installation of ONOS" )
+        main.ONOSbench.onosRemoveRaftLogs()
+
+        main.step( "Git checkout and pull master and get version" )
+        main.ONOSbench.gitCheckout( "master" )
+        gitPullResult = main.ONOSbench.gitPull()
+        main.log.info( "git_pull_result = " + gitPullResult )
+        main.ONOSbench.getVersion( report=True )
+
+        if gitPullResult == 1:
+            main.step( "Using mvn clean & install" )
+            main.ONOSbench.cleanInstall()
+        elif gitPullResult == 0:
+            main.log.report(
+                "Git Pull Failed, look into logs for detailed reason" )
             main.cleanup()
-            main.exit() 
-         
-        main.step("Creating ONOS package")
-        package_result = main.ONOSbench.onos_package()
+            main.exit()
 
+        main.step( "Creating ONOS package" )
+        packageResult = main.ONOSbench.onosPackage()
 
-        main.step("Installing ONOS package")
-        onos_install_result = main.ONOSbench.onos_install()
-        if onos_install_result == main.TRUE:
-            main.log.report("Installing ONOS package successful")
+        main.step( "Installing ONOS package" )
+        onosInstallResult = main.ONOSbench.onosInstall()
+        if onosInstallResult == main.TRUE:
+            main.log.report( "Installing ONOS package successful" )
         else:
-            main.log.report("Installing ONOS package failed")
+            main.log.report( "Installing ONOS package failed" )
 
-        onos1_isup = main.ONOSbench.isup()
-        if onos1_isup == main.TRUE:
-            main.log.report("ONOS instance is up and ready")  
+        onos1Isup = main.ONOSbench.isup()
+        if onos1Isup == main.TRUE:
+            main.log.report( "ONOS instance is up and ready" )
         else:
-            main.log.report("ONOS instance may not be up")  
-       
-        main.step("Starting ONOS service")
-        start_result = main.ONOSbench.onos_start(ONOS1_ip)
-        
-        main.ONOS2.start_onos_cli(ONOS_ip=main.params['CTRL']['ip1'])        
+            main.log.report( "ONOS instance may not be up" )
 
-        case1_result = (package_result and\
-                cell_result and verify_result and onos_install_result and\
-                onos1_isup and start_result )
-        utilities.assert_equals(expect=main.TRUE, actual=case1_result,
-                onpass="Test startup successful",
-                onfail="Test startup NOT successful")
+        main.step( "Starting ONOS service" )
+        startResult = main.ONOSbench.onosStart( ONOS1Ip )
 
-    def CASE2(self, main) :
-        '''  
+        main.ONOS2.startOnosCli( ONOSIp=main.params[ 'CTRL' ][ 'ip1' ] )
+
+        case1Result = ( packageResult and
+                        cellResult and verifyResult
+                        and onosInstallResult and
+                        onos1Isup and startResult )
+        utilities.assert_equals( expect=main.TRUE, actual=case1Result,
+                                onpass="Test startup successful",
+                                onfail="Test startup NOT successful" )
+
+    def CASE2( self, main ):
+        """
         Switch Down
-        '''
-        #NOTE: You should probably run a topology check after this
-        import time 
-        import json
- 
-        main.case("Switch down discovery")
-        main.log.report("This testcase is testing a switch down discovery")
-        main.log.report("__________________________________")
+        """
+        # NOTE: You should probably run a topology check after this
+        import time
 
-        switch_sleep = int(main.params['timers']['SwitchDiscovery'])
+        main.case( "Switch down discovery" )
+        main.log.report( "This testcase is testing a switch down discovery" )
+        main.log.report( "__________________________________" )
+
+        switchSleep = int( main.params[ 'timers' ][ 'SwitchDiscovery' ] )
 
         description = "Killing a switch to ensure it is discovered correctly"
-        main.log.report(description)
-        main.case(description)
+        main.log.report( description )
+        main.case( description )
 
-        #TODO: Make this switch parameterizable
-        main.step("Kill s28 ")
-        main.log.report("Deleting s28")
-        #FIXME: use new dynamic topo functions
-        main.Mininet1.del_switch("s28")
-        main.log.info("Waiting " + str(switch_sleep) + " seconds for switch down to be discovered")
-        time.sleep(switch_sleep)
-        #Peek at the deleted switch
-        device = main.ONOS2.get_device(dpid="0028")
+        # TODO: Make this switch parameterizable
+        main.step( "Kill s28 " )
+        main.log.report( "Deleting s28" )
+        # FIXME: use new dynamic topo functions
+        main.Mininet1.delSwitch( "s28" )
+        main.log.info(
+            "Waiting " +
+            str( switchSleep ) +
+            " seconds for switch down to be discovered" )
+        time.sleep( switchSleep )
+        # Peek at the deleted switch
+        device = main.ONOS2.getDevice( dpid="0028" )
         print "device = ", device
-        if device[u'available'] == 'False':
-            case2_result = main.FALSE
+        if device[ u'available' ] == 'False':
+            case2Result = main.FALSE
         else:
-            case2_result = main.TRUE
-        utilities.assert_equals(expect=main.TRUE, actual=case2_result,
-                onpass="Switch down discovery successful",
-                onfail="Switch down discovery failed")
+            case2Result = main.TRUE
+        utilities.assert_equals( expect=main.TRUE, actual=case2Result,
+                                onpass="Switch down discovery successful",
+                                onfail="Switch down discovery failed" )
 
-    def CASE11(self, main):
-        '''
+    def CASE11( self, main ):
+        """
         Cleanup sequence:
-        onos-service <node_ip> stop
+        onos-service <nodeIp> stop
         onos-uninstall
 
         TODO: Define rest of cleanup
-        
-        '''
 
-        ONOS1_ip = main.params['CTRL']['ip1']
+        """
+        ONOS1Ip = main.params[ 'CTRL' ][ 'ip1' ]
 
-        main.case("Cleaning up test environment")
+        main.case( "Cleaning up test environment" )
 
-        main.step("Testing ONOS kill function")
-        kill_result = main.ONOSbench.onos_kill(ONOS1_ip)
+        main.step( "Testing ONOS kill function" )
+        killResult = main.ONOSbench.onosKill( ONOS1Ip )
 
-        main.step("Stopping ONOS service")
-        stop_result = main.ONOSbench.onos_stop(ONOS1_ip)
+        main.step( "Stopping ONOS service" )
+        stopResult = main.ONOSbench.onosStop( ONOS1Ip )
 
-        main.step("Uninstalling ONOS service") 
-        uninstall_result = main.ONOSbench.onos_uninstall()
+        main.step( "Uninstalling ONOS service" )
+        uninstallResult = main.ONOSbench.onosUninstall()
 
-    def CASE3(self, main):
-        '''
+        case11Result = killResult and stopResult and uninstallResult
+        utilities.assert_equals( expect=main.TRUE, actual=case11Result,
+                                onpass="Cleanup successful",
+                                onfail="Cleanup failed" )
+
+    def CASE3( self, main ):
+        """
         Test 'onos' command and its functionality in driver
-        '''
-        
-        ONOS1_ip = main.params['CTRL']['ip1']
+        """
+        ONOS1Ip = main.params[ 'CTRL' ][ 'ip1' ]
 
-        main.case("Testing 'onos' command")
+        main.case( "Testing 'onos' command" )
 
-        main.step("Sending command 'onos -w <onos-ip> system:name'")
+        main.step( "Sending command 'onos -w <onos-ip> system:name'" )
         cmdstr1 = "system:name"
-        cmd_result1 = main.ONOSbench.onos_cli(ONOS1_ip, cmdstr1) 
-        main.log.info("onos command returned: "+cmd_result1)
+        cmdResult1 = main.ONOSbench.onosCli( ONOS1Ip, cmdstr1 )
+        main.log.info( "onos command returned: " + cmdResult1 )
 
-        main.step("Sending command 'onos -w <onos-ip> onos:topology'")
+        main.step( "Sending command 'onos -w <onos-ip> onos:topology'" )
         cmdstr2 = "onos:topology"
-        cmd_result2 = main.ONOSbench.onos_cli(ONOS1_ip, cmdstr2)
-        main.log.info("onos command returned: "+cmd_result2)
+        cmdResult2 = main.ONOSbench.onosCli( ONOS1Ip, cmdstr2 )
+        main.log.info( "onos command returned: " + cmdResult2 )
 
-
-    def CASE20(self):
-        '''
+    def CASE20( self ):
+        """
             Exit from mininet cli
             reinstall ONOS
-        '''
-        cell_name = main.params['ENV']['cellName']
-        ONOS1_ip = main.params['CTRL']['ip1']
-        ONOS1_port = main.params['CTRL']['port1']
-        
-        main.log.report("This testcase exits the mininet cli and reinstalls ONOS to switch over to Packet Optical topology")
-        main.log.report("_____________________________________________")
-        main.case("Disconnecting mininet and restarting ONOS")
-        main.step("Disconnecting mininet and restarting ONOS")
-        mininet_disconnect = main.Mininet1.disconnect()
+        """
+        cellName = main.params[ 'ENV' ][ 'cellName' ]
+        ONOS1Ip = main.params[ 'CTRL' ][ 'ip1' ]
 
-        main.step("Removing raft logs before a clen installation of ONOS")
-        main.ONOSbench.onos_remove_raft_logs()
+        main.log.report( "This testcase exits the mininet cli and reinstalls\
+                        ONOS to switch over to Packet Optical topology" )
+        main.log.report( "_____________________________________________" )
+        main.case( "Disconnecting mininet and restarting ONOS" )
+        main.step( "Disconnecting mininet and restarting ONOS" )
+        mininetDisconnect = main.Mininet1.disconnect()
 
-        main.step("Applying cell variable to environment")
-        cell_result = main.ONOSbench.set_cell(cell_name)
-        verify_result = main.ONOSbench.verify_cell()
+        main.step( "Removing raft logs before a clen installation of ONOS" )
+        main.ONOSbench.onosRemoveRaftLogs()
 
-        onos_install_result = main.ONOSbench.onos_install()
-        if onos_install_result == main.TRUE:
-            main.log.report("Installing ONOS package successful")
+        main.step( "Applying cell variable to environment" )
+        cellResult = main.ONOSbench.setCell( cellName )
+        verifyResult = main.ONOSbench.verifyCell()
+
+        onosInstallResult = main.ONOSbench.onosInstall()
+        if onosInstallResult == main.TRUE:
+            main.log.report( "Installing ONOS package successful" )
         else:
-            main.log.report("Installing ONOS package failed")
+            main.log.report( "Installing ONOS package failed" )
 
-        onos1_isup = main.ONOSbench.isup()
-        if onos1_isup == main.TRUE:
-            main.log.report("ONOS instance is up and ready")
+        onos1Isup = main.ONOSbench.isup()
+        if onos1Isup == main.TRUE:
+            main.log.report( "ONOS instance is up and ready" )
         else:
-            main.log.report("ONOS instance may not be up")
+            main.log.report( "ONOS instance may not be up" )
 
-        main.step("Starting ONOS service")
-        start_result = main.ONOSbench.onos_start(ONOS1_ip)
-      
-        main.ONOS2.start_onos_cli(ONOS_ip=main.params['CTRL']['ip1']) 
-        print "mininet_disconnect =", mininet_disconnect
-        print "onos_install_result =", onos_install_result
-        print "onos1_isup =", onos1_isup
-        print "start_result =", start_result
- 
-        case20_result = mininet_disconnect and cell_result and onos_install_result and onos1_isup and start_result
-        utilities.assert_equals(expect=main.TRUE, actual=case20_result,
-                onpass="Exiting functionality mininet topology and reinstalling ONOS successful",
-                onfail="Exiting functionality mininet topology and reinstalling ONOS failed") 
+        main.step( "Starting ONOS service" )
+        startResult = main.ONOSbench.onosStart( ONOS1Ip )
 
-    def CASE21(self, main):
-        import time
-        '''
-            On ONOS bench, run this command: ./~/ONOS/tools/test/bin/onos-topo-cfg
-            which starts the rest and copies the links json file to the onos instance
-            Note that in case of Packet Optical, the links are not learnt from the topology, instead the links are learnt 
+        main.ONOS2.startOnosCli( ONOSIp=main.params[ 'CTRL' ][ 'ip1' ] )
+        case20Result = mininetDisconnect and cellResult and verifyResult \
+            and onosInstallResult and onos1Isup and \
+            startResult
+        utilities.assert_equals(
+            expect=main.TRUE,
+            actual=case20Result,
+            onpass="Exiting functionality mininet topology and reinstalling \
+                    ONOS successful",
+            onfail="Exiting functionality mininet topology and reinstalling \
+                    ONOS failed" )
+
+    def CASE21( self, main ):
+        """
+            On ONOS bench, run this command:
+             ./~/ONOS/tools/test/bin/onos-topo-cfg
+            which starts the rest and copies the links
+            json file to the onos instance.
+            Note that in case of Packet Optical, the links are not learnt
+            from the topology, instead the links are learnt
             from the json config file
-        ''' 
-        main.log.report("This testcase starts the packet layer topology and REST")
-        main.log.report("_____________________________________________")
-        main.case("Starting LINC-OE and other components")
-        main.step("Starting LINC-OE and other components")
-        start_console_result = main.LincOE1.start_console()
-        optical_mn_script = main.LincOE2.run_optical_mn_script()
-        onos_topo_cfg_result = main.ONOSbench.run_onos_topo_cfg(instance_name = main.params['CTRL']['ip1'], json_file = main.params['OPTICAL']['jsonfile'])
-            
-        print "start_console_result =",start_console_result 
-        print "optical_mn_script = ",optical_mn_script 
-        print "onos_topo_cfg_result =",onos_topo_cfg_result 
+        """
+        main.log.report(
+            "This testcase starts the packet layer topology and REST" )
+        main.log.report( "_____________________________________________" )
+        main.case( "Starting LINC-OE and other components" )
+        main.step( "Starting LINC-OE and other components" )
+        startConsoleResult = main.LincOE1.startConsole()
+        opticalMnScript = main.LincOE2.runOpticalMnScript()
+        onosTopoCfgResult = main.ONOSbench.runOnosTopoCfg(
+            instanceName=main.params[ 'CTRL' ][ 'ip1' ],
+            jsonFile=main.params[ 'OPTICAL' ][ 'jsonfile' ] )
 
-        case21_result = start_console_result and optical_mn_script and onos_topo_cfg_result
-        utilities.assert_equals(expect=main.TRUE, actual=case21_result,
-                onpass="Packet optical topology spawned successsfully",
-                onfail="Packet optical topology spawning failed") 
+        print "start_console_result =", startConsoleResult
+        print "optical_mn_script = ", opticalMnScript
+        print "onos_topo_cfg_result =", onosTopoCfgResult
 
+        case21Result = startConsoleResult and opticalMnScript and \
+            onosTopoCfgResult
+        utilities.assert_equals(
+            expect=main.TRUE,
+            actual=case21Result,
+            onpass="Packet optical topology spawned successsfully",
+            onfail="Packet optical topology spawning failed" )
 
-    def CASE22(self, main):
-        '''
-            Curretly we use, 4 linear switch optical topology and 2 packet layer mininet switches each with one host.
-             Therefore, the roadmCount variable = 4, packetLayerSWCount variable = 2, hostCount =2
-            and this is hardcoded in the testcase. If the topology changes, these hardcoded values need to be changed
-        '''
+    def CASE22( self, main ):
+        """
+            Curretly we use, 4 linear switch optical topology and
+            2 packet layer mininet switches each with one host.
+            Therefore, the roadmCount variable = 4,
+            packetLayerSWCount variable = 2 and hostCount = 2
+            and this is hardcoded in the testcase. If the topology changes,
+            these hardcoded values need to be changed
+        """
+        main.log.report(
+            "This testcase compares the optical+packet topology against what\
+             is expected" )
+        main.case( "Topology comparision" )
+        main.step( "Topology comparision" )
+        main.ONOS3.startOnosCli( ONOSIp=main.params[ 'CTRL' ][ 'ip1' ] )
+        devicesResult = main.ONOS3.devices( jsonFormat=False )
 
-        main.log.report("This testcase compares the optical+packet topology against what is expected")
-        main.case("Topology comparision")
-        main.step("Topology comparision")
-        main.ONOS3.start_onos_cli(ONOS_ip=main.params['CTRL']['ip1'])
-        devices_result = main.ONOS3.devices(json_format = False)
-
-        print "devices_result = ", devices_result
-        devices_linewise = devices_result.split("\n")
-        devices_linewise = devices_linewise[1:-1]
+        print "devices_result = ", devicesResult
+        devicesLinewise = devicesResult.split( "\n" )
+        devicesLinewise = devicesLinewise[ 1:-1 ]
         roadmCount = 0
         packetLayerSWCount = 0
-        for line in devices_linewise:
-            components = line.split(",")
-            availability = components[1].split("=")[1]
-            type = components[3].split("=")[1]
+        for line in devicesLinewise:
+            components = line.split( "," )
+            availability = components[ 1 ].split( "=" )[ 1 ]
+            type = components[ 3 ].split( "=" )[ 1 ]
             if availability == 'true' and type == 'ROADM':
                 roadmCount += 1
-            elif availability == 'true' and type =='SWITCH':
+            elif availability == 'true' and type == 'SWITCH':
                 packetLayerSWCount += 1
         if roadmCount == 4:
-            print "Number of Optical Switches = %d and is correctly detected" %roadmCount
-            main.log.info ("Number of Optical Switches = " +str(roadmCount) +" and is correctly detected")
-            opticalSW_result = main.TRUE
+            print "Number of Optical Switches = %d and is \
+                    correctly detected" % roadmCount
+            main.log.info(
+                "Number of Optical Switches = " +
+                str( roadmCount ) +
+                " and is correctly detected" )
+            opticalSWResult = main.TRUE
         else:
-            print "Number of Optical Switches = %d and is wrong" %roadCount
-            main.log.info ("Number of Optical Switches = " +str(roadmCount) +" and is wrong")
-            opticalSW_result = main.FALSE
+            print "Number of Optical Switches = %d and is wrong" % roadmCount
+            main.log.info(
+                "Number of Optical Switches = " +
+                str( roadmCount ) +
+                " and is wrong" )
+            opticalSWResult = main.FALSE
 
         if packetLayerSWCount == 2:
-            print "Number of Packet layer or mininet Switches = %d and is correctly detected" %packetLayerSWCount
-            main.log.info("Number of Packet layer or mininet Switches = " +str(packetLayerSWCount) + " and is correctly detected")
-            packetSW_result = main.TRUE
+            print "Number of Packet layer or mininet Switches = %d and \
+                    is correctly detected" % packetLayerSWCount
+            main.log.info(
+                "Number of Packet layer or mininet Switches = " +
+                str( packetLayerSWCount ) +
+                " and is correctly detected" )
+            packetSWResult = main.TRUE
         else:
-            print "Number of Packet layer or mininet Switches = %d and is wrong" %packetLayerSWCount
-            main.log.info("Number of Packet layer or mininet Switches = " +str(packetLayerSWCount) + " and is wrong")
-            packetSW_result = main.FALSE
+            print "Number of Packet layer or mininet Switches = %d and \
+                    is wrong" % packetLayerSWCount
+            main.log.info(
+                "Number of Packet layer or mininet Switches = " +
+                str( packetLayerSWCount ) +
+                " and is wrong" )
+            packetSWResult = main.FALSE
         print "_________________________________"
-        
-        links_result = main.ONOS3.links(json_format = False)
-        print "links_result = ", links_result
+
+        linksResult = main.ONOS3.links( jsonFormat=False )
+        print "links_result = ", linksResult
         print "_________________________________"
-        
-        #NOTE:Since only point intents are added, there is no requirement to discover the hosts
-                #Therfore, the below portion of the code is commented.
-        '''
+
+        # NOTE:Since only point intents are added, there is no
+        # requirement to discover the hosts
+        # Therfore, the below portion of the code is commented.
+        """
         #Discover hosts using pingall
-        pingall_result = main.LincOE2.pingall()    
-    
-        hosts_result = main.ONOS3.hosts(json_format = False)
-        main.log.info("hosts_result = "+hosts_result)   
-        main.log.info("_________________________________")
-        hosts_linewise = hosts_result.split("\n")
-        hosts_linewise = hosts_linewise[1:-1]
+        pingallResult = main.LincOE2.pingall()
+
+        hostsResult = main.ONOS3.hosts( jsonFormat=False )
+        main.log.info( "hosts_result = "+hostsResult )
+        main.log.info( "_________________________________" )
+        hostsLinewise = hostsResult.split( "\n" )
+        hostsLinewise = hostsLinewise[ 1:-1 ]
         hostCount = 0
-        for line in hosts_linewise:
-            hostid = line.split(",")[0].split("=")[1]
+        for line in hostsLinewise:
+            hostid = line.split( "," )[ 0 ].split( "=" )[ 1 ]
             hostCount +=1
         if hostCount ==2:
             print "Number of hosts = %d and is correctly detected" %hostCount
-            main.log.info("Number of hosts = " + str(hostCount) +" and is correctly detected")
+            main.log.info( "Number of hosts = " + str( hostCount ) +" and \
+                            is correctly detected" )
             hostDiscovery = main.TRUE
         else:
             print "Number of hosts = %d and is wrong" %hostCount
-            main.log.info("Number of hosts = " + str(hostCount) +" and is wrong")
+            main.log.info( "Number of hosts = " + str( hostCount ) +" and \
+                            is wrong" )
             hostDiscovery = main.FALSE
-        '''
+        """
+        case22Result = opticalSWResult and packetSWResult
+        utilities.assert_equals(
+            expect=main.TRUE,
+            actual=case22Result,
+            onpass="Packet optical topology discovery successful",
+            onfail="Packet optical topology discovery failed" )
 
-        case22_result = opticalSW_result and packetSW_result
-        utilities.assert_equals(expect=main.TRUE, actual=case22_result,
-                onpass="Packet optical topology discovery successful",
-                onfail="Packet optical topology discovery failed")
-
-    def CASE23(self, main):
+    def CASE23( self, main ):
         import time
-        '''
-            Add bidirectional point intents between 2 packet layer(mininet) devices and 
+        """
+            Add bidirectional point intents between 2 packet layer( mininet )
+            devices and
             ping mininet hosts
-        '''
-        main.log.report("This testcase adds bidirectional point intents between 2 packet layer(mininet) devices and ping mininet hosts")
-        main.case("Topology comparision")
-        main.step("Adding point intents")
-        ptp_intent_result = main.ONOS3.add_point_intent("of:0000ffffffff0001/1", "of:0000ffffffff0002/1")
-        if ptp_intent_result == main.TRUE:
-            get_intent_result = main.ONOS3.intents(json_format = False)
-            main.log.info("Point to point intent install successful")
+        """
+        main.log.report(
+            "This testcase adds bidirectional point intents between 2 \
+                packet layer( mininet ) devices and ping mininet hosts" )
+        main.case( "Topology comparision" )
+        main.step( "Adding point intents" )
+        ptpIntentResult = main.ONOS3.addPointIntent(
+            "of:0000ffffffff0001/1",
+            "of:0000ffffffff0002/1" )
+        if ptpIntentResult == main.TRUE:
+            main.ONOS3.intents( jsonFormat=False )
+            main.log.info( "Point to point intent install successful" )
 
-        ptp_intent_result = main.ONOS3.add_point_intent("of:0000ffffffff0002/1", "of:0000ffffffff0001/1")
-        if ptp_intent_result == main.TRUE:
-            get_intent_result = main.ONOS3.intents(json_format = False)
-            main.log.info("Point to point intent install successful")
+        ptpIntentResult = main.ONOS3.addPointIntent(
+            "of:0000ffffffff0002/1",
+            "of:0000ffffffff0001/1" )
+        if ptpIntentResult == main.TRUE:
+            main.ONOS3.intents( jsonFormat=False )
+            main.log.info( "Point to point intent install successful" )
 
-        time.sleep(10)
+        time.sleep( 10 )
         flowHandle = main.ONOS3.flows()
-        main.log.info("flows :" + flowHandle)
+        main.log.info( "flows :" + flowHandle )
 
         # Sleep for 30 seconds to provide time for the intent state to change
-        time.sleep(30)
-        intentHandle = main.ONOS3.intents(json_format = False)        
-        main.log.info("intents :" + intentHandle)        
- 
-        Ping_Result = main.TRUE
+        time.sleep( 30 )
+        intentHandle = main.ONOS3.intents( jsonFormat=False )
+        main.log.info( "intents :" + intentHandle )
+
+        PingResult = main.TRUE
         count = 1
-        main.log.info("\n\nh1 is Pinging h2")
-        ping = main.LincOE2.pingHostOptical(src="h1", target="h2")
-        #ping = main.LincOE2.pinghost()
-        if ping == main.FALSE and count<5:
-            count+=1
-            Ping_Result = main.FALSE
-            main.log.info("Ping between h1 and h2  failed. Making attempt number "+str(count) + " in 2 seconds")
-            time.sleep(2)
-        elif ping==main.FALSE:
-            main.log.info("All ping attempts between h1 and h2 have failed")
-            Ping_Result = main.FALSE
-        elif ping==main.TRUE:
-            main.log.info("Ping test between h1 and h2 passed!")
-            Ping_Result = main.TRUE
+        main.log.info( "\n\nh1 is Pinging h2" )
+        ping = main.LincOE2.pingHostOptical( src="h1", target="h2" )
+        # ping = main.LincOE2.pinghost()
+        if ping == main.FALSE and count < 5:
+            count += 1
+            PingResult = main.FALSE
+            main.log.info(
+                "Ping between h1 and h2  failed. Making attempt number " +
+                str( count ) +
+                " in 2 seconds" )
+            time.sleep( 2 )
+        elif ping == main.FALSE:
+            main.log.info( "All ping attempts between h1 and h2 have failed" )
+            PingResult = main.FALSE
+        elif ping == main.TRUE:
+            main.log.info( "Ping test between h1 and h2 passed!" )
+            PingResult = main.TRUE
         else:
-            main.log.info("Unknown error")
-            Ping_Result = main.ERROR
-        
-        if Ping_Result==main.FALSE:
-            main.log.report("Point intents for packet optical have not ben installed correctly. Cleaning up")
-        if Ping_Result==main.TRUE:
-            main.log.report("Point Intents for packet optical have been installed correctly")
+            main.log.info( "Unknown error" )
+            PingResult = main.ERROR
 
-        case23_result = Ping_Result
-        utilities.assert_equals(expect=main.TRUE, actual=case23_result,
-                onpass="Point intents addition for packet optical and Pingall Test successful",
-                onfail="Point intents addition for packet optical and Pingall Test NOT successful")
+        if PingResult == main.FALSE:
+            main.log.report(
+                "Point intents for packet optical have not ben installed\
+                correctly. Cleaning up" )
+        if PingResult == main.TRUE:
+            main.log.report(
+                "Point Intents for packet optical have been\
+                installed correctly" )
 
+        case23Result = PingResult
+        utilities.assert_equals(
+            expect=main.TRUE,
+            actual=case23Result,
+            onpass="Point intents addition for packet optical and\
+                    Pingall Test successful",
+            onfail="Point intents addition for packet optical and\
+                    Pingall Test NOT successful" )
 
-
-    def CASE24(self, main):
+    def CASE24( self, main ):
         import time
         import json
-        '''
-            Test Rerouting of Packet Optical by bringing a port down (port 22) of a switch(switchID=1), so that link (between switch1 port22 - switch4-port30) is inactive
-            and do a ping test. If rerouting is successful, ping should pass. also check the flows
-        '''
-        main.log.report("This testcase tests rerouting and pings mininet hosts")
-        main.case("Test rerouting and pings mininet hosts")
-        main.step("Bring a port down and verify the link state")
-        main.LincOE1.port_down(sw_id="1", pt_id="22") 
-        links_nonjson = main.ONOS3.links(json_format = False)
-        main.log.info("links = " +links_nonjson)
+        """
+            Test Rerouting of Packet Optical by bringing a port down
+            ( port 22 ) of a switch( switchID=1 ), so that link
+            ( between switch1 port22 - switch4-port30 ) is inactive
+            and do a ping test. If rerouting is successful,
+            ping should pass. also check the flows
+        """
+        main.log.report(
+            "This testcase tests rerouting and pings mininet hosts" )
+        main.case( "Test rerouting and pings mininet hosts" )
+        main.step( "Bring a port down and verify the link state" )
+        main.LincOE1.portDown( swId="1", ptId="22" )
+        linksNonjson = main.ONOS3.links( jsonFormat=False )
+        main.log.info( "links = " + linksNonjson )
 
         links = main.ONOS3.links()
-        main.log.info("links = " +links)
-        
-        links_result = json.loads(links)
-        links_state_result = main.FALSE
-        for item in links_result:
-            if item['src']['device'] == "of:0000ffffffffff01" and item['src']['port'] == "22":
-                if item['dst']['device'] == "of:0000ffffffffff04" and item['dst']['port'] == "30":
-                    links_state = item['state']
-                    if links_state == "INACTIVE":
-                        main.log.info("Links state is inactive as expected due to one of the ports being down")
-                        main.log.report("Links state is inactive as expected due to one of the ports being down")
-                        links_state_result = main.TRUE
+        main.log.info( "links = " + links )
+
+        linksResult = json.loads( links )
+        linksStateResult = main.FALSE
+        for item in linksResult:
+            if item[ 'src' ][ 'device' ] == "of:0000ffffffffff01" and item[
+                    'src' ][ 'port' ] == "22":
+                if item[ 'dst' ][ 'device' ] == "of:0000ffffffffff04" and item[
+                        'dst' ][ 'port' ] == "30":
+                    linksState = item[ 'state' ]
+                    if linksState == "INACTIVE":
+                        main.log.info(
+                            "Links state is inactive as expected due to one \
+                            of the ports being down" )
+                        main.log.report(
+                            "Links state is inactive as expected due to one \
+                            of the ports being down" )
+                        linksStateResult = main.TRUE
                         break
                     else:
-                        main.log.info("Links state is not inactive as expected")
-                        main.log.report("Links state is not inactive as expected")
-                        links_state_result = main.FALSE
+                        main.log.info(
+                            "Links state is not inactive as expected" )
+                        main.log.report(
+                            "Links state is not inactive as expected" )
+                        linksStateResult = main.FALSE
 
-        print "links_state_result = ", links_state_result
-        time.sleep(10)
+        print "links_state_result = ", linksStateResult
+        time.sleep( 10 )
         flowHandle = main.ONOS3.flows()
-        main.log.info("flows :" + flowHandle)
+        main.log.info( "flows :" + flowHandle )
 
-        main.step("Verify Rerouting by a ping test")
-        Ping_Result = main.TRUE
-        count = 1        
-        main.log.info("\n\nh1 is Pinging h2")
-        ping = main.LincOE2.pingHostOptical(src="h1", target="h2")
-        #ping = main.LincOE2.pinghost()
-        if ping == main.FALSE and count<5:
-            count+=1
-            Ping_Result = main.FALSE
-            main.log.info("Ping between h1 and h2  failed. Making attempt number "+str(count) + " in 2 seconds")
-            time.sleep(2)
-        elif ping==main.FALSE:
-            main.log.info("All ping attempts between h1 and h2 have failed")
-            Ping_Result = main.FALSE
-        elif ping==main.TRUE:
-            main.log.info("Ping test between h1 and h2 passed!")
-            Ping_Result = main.TRUE
+        main.step( "Verify Rerouting by a ping test" )
+        PingResult = main.TRUE
+        count = 1
+        main.log.info( "\n\nh1 is Pinging h2" )
+        ping = main.LincOE2.pingHostOptical( src="h1", target="h2" )
+        # ping = main.LincOE2.pinghost()
+        if ping == main.FALSE and count < 5:
+            count += 1
+            PingResult = main.FALSE
+            main.log.info(
+                "Ping between h1 and h2  failed. Making attempt number " +
+                str( count ) +
+                " in 2 seconds" )
+            time.sleep( 2 )
+        elif ping == main.FALSE:
+            main.log.info( "All ping attempts between h1 and h2 have failed" )
+            PingResult = main.FALSE
+        elif ping == main.TRUE:
+            main.log.info( "Ping test between h1 and h2 passed!" )
+            PingResult = main.TRUE
         else:
-            main.log.info("Unknown error")
-            Ping_Result = main.ERROR
+            main.log.info( "Unknown error" )
+            PingResult = main.ERROR
 
-        if Ping_Result==main.TRUE:
-            main.log.report("Ping test successful ")
-        if Ping_Result==main.FALSE:
-            main.log.report("Ping test failed")
+        if PingResult == main.TRUE:
+            main.log.report( "Ping test successful " )
+        if PingResult == main.FALSE:
+            main.log.report( "Ping test failed" )
 
-        case24_result = Ping_Result and links_state_result
-        utilities.assert_equals(expect=main.TRUE, actual=case24_result,
-                onpass="Packet optical rerouting successful",
-                onfail="Packet optical rerouting failed")
+        case24Result = PingResult and linksStateResult
+        utilities.assert_equals( expect=main.TRUE, actual=case24Result,
+                                onpass="Packet optical rerouting successful",
+                                onfail="Packet optical rerouting failed" )
 
-    def CASE4(self, main):
+    def CASE4( self, main ):
         import re
         import time
-        main.log.report("This testcase is testing the assignment of all the switches to all the controllers and discovering the hosts in reactive mode")
-        main.log.report("__________________________________")
-        main.case("Pingall Test")
-        main.step("Assigning switches to controllers")
-        for i in range(1,29):
-            if i ==1:
-                main.Mininet1.assign_sw_controller(sw=str(i),ip1=ONOS1_ip,port1=ONOS1_port)
-            elif i>=2 and i<5:
-                main.Mininet1.assign_sw_controller(sw=str(i),ip1=ONOS1_ip,port1=ONOS1_port)
-            elif i>=5 and i<8:
-                main.Mininet1.assign_sw_controller(sw=str(i),ip1=ONOS1_ip,port1=ONOS1_port)
-            elif i>=8 and i<18:
-                main.Mininet1.assign_sw_controller(sw=str(i),ip1=ONOS1_ip,port1=ONOS1_port)
-            elif i>=18 and i<28:
-                main.Mininet1.assign_sw_controller(sw=str(i),ip1=ONOS1_ip,port1=ONOS1_port)
+        main.log.report( "This testcase is testing the assignment of \
+                         all the switches to all the controllers and \
+                         discovering the hists in reactive mode" )
+        main.log.report( "__________________________________" )
+        main.case( "Pingall Test" )
+        main.step( "Assigning switches to controllers" )
+        ONOS1Ip = main.params[ 'CTRL' ][ 'ip1' ]
+        ONOS1Port = main.params[ 'CTRL' ][ 'port1' ]
+        for i in range( 1, 29 ):
+            if i == 1:
+                main.Mininet1.assignSwController(
+                    sw=str( i ),
+                    ip1=ONOS1Ip,
+                    port1=ONOS1Port )
+            elif i >= 2 and i < 5:
+                main.Mininet1.assignSwController(
+                    sw=str( i ),
+                    ip1=ONOS1Ip,
+                    port1=ONOS1Port )
+            elif i >= 5 and i < 8:
+                main.Mininet1.assignSwController(
+                    sw=str( i ),
+                    ip1=ONOS1Ip,
+                    port1=ONOS1Port )
+            elif i >= 8 and i < 18:
+                main.Mininet1.assignSwController(
+                    sw=str( i ),
+                    ip1=ONOS1Ip,
+                    port1=ONOS1Port )
+            elif i >= 18 and i < 28:
+                main.Mininet1.assignSwController(
+                    sw=str( i ),
+                    ip1=ONOS1Ip,
+                    port1=ONOS1Port )
             else:
-                main.Mininet1.assign_sw_controller(sw=str(i),ip1=ONOS1_ip,port1=ONOS1_port)
-        Switch_Mastership = main.TRUE
-        for i in range (1,29):
-            if i==1:
-                response = main.Mininet1.get_sw_controller("s"+str(i))
-                print("Response is " + str(response))
-                if re.search("tcp:"+ONOS1_ip,response):
-                    Switch_Mastership = Switch_Mastership and main.TRUE
+                main.Mininet1.assignSwController(
+                    sw=str( i ),
+                    ip1=ONOS1Ip,
+                    port1=ONOS1Port )
+        SwitchMastership = main.TRUE
+        for i in range( 1, 29 ):
+            if i == 1:
+                response = main.Mininet1.getSwController( "s" + str( i ) )
+                print( "Response is " + str( response ) )
+                if re.search( "tcp:" + ONOS1Ip, response ):
+                    SwitchMastership = SwitchMastership and main.TRUE
                 else:
-                    Switch_Mastership = main.FALSE
-            elif i>=2 and i<5:
-                response = main.Mininet1.get_sw_controller("s"+str(i))
-                print("Response is " + str(response))
-                if re.search("tcp:"+ONOS1_ip,response):
-                    Switch_Mastership = Switch_Mastership and main.TRUE
+                    SwitchMastership = main.FALSE
+            elif i >= 2 and i < 5:
+                response = main.Mininet1.getSwController( "s" + str( i ) )
+                print( "Response is " + str( response ) )
+                if re.search( "tcp:" + ONOS1Ip, response ):
+                    SwitchMastership = SwitchMastership and main.TRUE
                 else:
-                    Switch_Mastership = main.FALSE
-            elif i>=5 and i<8:
-                response = main.Mininet1.get_sw_controller("s"+str(i))
-                print("Response is " + str(response))
-                if re.search("tcp:"+ONOS1_ip,response):
-                    Switch_Mastership = Switch_Mastership and main.TRUE
+                    SwitchMastership = main.FALSE
+            elif i >= 5 and i < 8:
+                response = main.Mininet1.getSwController( "s" + str( i ) )
+                print( "Response is " + str( response ) )
+                if re.search( "tcp:" + ONOS1Ip, response ):
+                    SwitchMastership = SwitchMastership and main.TRUE
                 else:
-                    Switch_Mastership = main.FALSE
-            elif i>=8 and i<18:
-                response = main.Mininet1.get_sw_controller("s"+str(i))
-                print("Response is " + str(response))
-                if re.search("tcp:"+ONOS1_ip,response):
-                    Switch_Mastership = Switch_Mastership and main.TRUE
+                    SwitchMastership = main.FALSE
+            elif i >= 8 and i < 18:
+                response = main.Mininet1.getSwController( "s" + str( i ) )
+                print( "Response is " + str( response ) )
+                if re.search( "tcp:" + ONOS1Ip, response ):
+                    SwitchMastership = SwitchMastership and main.TRUE
                 else:
-                    Switch_Mastership = main.FALSE
-            elif i>=18 and i<28:
-                response = main.Mininet1.get_sw_controller("s"+str(i))
-                print("Response is " + str(response))
-                if re.search("tcp:"+ONOS1_ip,response):
-                    Switch_Mastership = Switch_Mastership and main.TRUE
+                    SwitchMastership = main.FALSE
+            elif i >= 18 and i < 28:
+                response = main.Mininet1.getSwController( "s" + str( i ) )
+                print( "Response is " + str( response ) )
+                if re.search( "tcp:" + ONOS1Ip, response ):
+                    SwitchMastership = SwitchMastership and main.TRUE
                 else:
-                    Switch_Mastership = main.FALSE
+                    SwitchMastership = main.FALSE
             else:
-                response = main.Mininet1.get_sw_controller("s"+str(i))
-                print("Response is" + str(response))
-                if re.search("tcp:" +ONOS1_ip,response):
-                    Switch_Mastership = Switch_Mastership and main.TRUE
+                response = main.Mininet1.getSwController( "s" + str( i ) )
+                print( "Response is" + str( response ) )
+                if re.search( "tcp:" + ONOS1Ip, response ):
+                    SwitchMastership = SwitchMastership and main.TRUE
                 else:
-                    Switch_Mastership = main.FALSE
+                    SwitchMastership = main.FALSE
 
-        if Switch_Mastership == main.TRUE:
-            main.log.report("Controller assignmnet successful")
+        if SwitchMastership == main.TRUE:
+            main.log.report( "Controller assignmnet successful" )
         else:
-            main.log.report("Controller assignmnet failed")
-        utilities.assert_equals(expect = main.TRUE,actual=Switch_Mastership,
-                onpass="MasterControllers assigned correctly")
-        '''
-        for i in range (1,29):
-            main.Mininet1.assign_sw_controller(sw=str(i),count=5,
-                    ip1=ONOS1_ip,port1=ONOS1_port,
-                    ip2=ONOS2_ip,port2=ONOS2_port,
-                    ip3=ONOS3_ip,port3=ONOS3_port,
-                    ip4=ONOS4_ip,port4=ONOS4_port,
-                    ip5=ONOS5_ip,port5=ONOS5_port)
-        '''
-        #REACTIVE FWD test
+            main.log.report( "Controller assignmnet failed" )
+        utilities.assert_equals(
+            expect=main.TRUE,
+            actual=SwitchMastership,
+            onpass="MasterControllers assigned correctly" )
+        """
+        for i in range ( 1,29 ):
+            main.Mininet1.assignSwController( sw=str( i ),count=5,
+                    ip1=ONOS1Ip,port1=ONOS1Port,
+                    ip2=ONOS2Ip,port2=ONOS2Port,
+                    ip3=ONOS3Ip,port3=ONOS3Port,
+                    ip4=ONOS4Ip,port4=ONOS4Port,
+                    ip5=ONOS5Ip,port5=ONOS5Port )
+        """
+        # REACTIVE FWD test
 
-        main.step("Get list of hosts from Mininet")
-        host_list = main.Mininet1.get_hosts()
-        main.log.info(host_list)
+        main.step( "Get list of hosts from Mininet" )
+        hostList = main.Mininet1.getHosts()
+        main.log.info( hostList )
 
-        main.step("Get host list in ONOS format")
-        host_onos_list = main.ONOS2.get_hosts_id(host_list)
-        main.log.info(host_onos_list)
-        #time.sleep(5)
-        
-        main.step("Pingall")
-        ping_result = main.FALSE
-        while ping_result == main.FALSE:
+        main.step( "Get host list in ONOS format" )
+        hostOnosList = main.ONOS2.getHostsId( hostList )
+        main.log.info( hostOnosList )
+        # time.sleep( 5 )
+
+        main.step( "Pingall" )
+        pingResult = main.FALSE
+        while pingResult == main.FALSE:
             time1 = time.time()
-            ping_result = main.Mininet1.pingall()
+            pingResult = main.Mininet1.pingall()
             time2 = time.time()
-            print "Time for pingall: %2f seconds" % (time2 - time1)
-      
-        #Start onos cli again because u might have dropped out of onos prompt to the shell prompt
-        #if there was no activity
-        main.ONOS2.start_onos_cli(ONOS_ip=main.params['CTRL']['ip1'])
+            print "Time for pingall: %2f seconds" % ( time2 - time1 )
 
-        case4_result = Switch_Mastership and ping_result
-        if ping_result == main.TRUE:
-            main.log.report("Pingall Test in reactive mode to discover the hosts successful") 
+        # Start onos cli again because u might have dropped out of
+        # onos prompt to the shell prompt
+        # if there was no activity
+        main.ONOS2.startOnosCli( ONOSIp=main.params[ 'CTRL' ][ 'ip1' ] )
+
+        case4Result = SwitchMastership and pingResult
+        if pingResult == main.TRUE:
+            main.log.report( "Pingall Test in reactive mode to \
+                             discover the hosts successful" )
         else:
-            main.log.report("Pingall Test in reactive mode to discover the hosts failed")
+            main.log.report( "Pingall Test in reactive mode to \
+                              discover the hosts failed" )
 
-        utilities.assert_equals(expect=main.TRUE, actual=case4_result,onpass="Controller assignment and Pingall Test successful",onfail="Controller assignment and Pingall Test NOT successful")   
+        utilities.assert_equals(
+            expect=main.TRUE,
+            actual=case4Result,
+            onpass="Controller assignment and Pingall Test successful",
+            onfail="Controller assignment and Pingall Test NOT successful" )
 
-    def CASE10(self):
-        main.log.report("This testcase uninstalls the reactive forwarding app")
-        main.log.report("__________________________________")
-        main.case("Uninstalling reactive forwarding app")
-        #Unistall onos-app-fwd app to disable reactive forwarding
-        appUninstall_result = main.ONOS2.feature_uninstall("onos-app-fwd")
-        main.log.info("onos-app-fwd uninstalled")
+    def CASE10( self ):
+        main.log.report(
+            "This testcase uninstalls the reactive forwarding app" )
+        main.log.report( "__________________________________" )
+        main.case( "Uninstalling reactive forwarding app" )
+        # Unistall onos-app-fwd app to disable reactive forwarding
+        appUninstallResult = main.ONOS2.featureUninstall( "onos-app-fwd" )
+        main.log.info( "onos-app-fwd uninstalled" )
 
-        #After reactive forwarding is disabled, the reactive flows on switches timeout in 10-15s
-        #So sleep for 15s
-        time.sleep(15)
+        # After reactive forwarding is disabled, the reactive flows on
+        # switches timeout in 10-15s
+        # So sleep for 15s
+        time.sleep( 15 )
 
         flows = main.ONOS2.flows()
-        main.log.info(flows)
+        main.log.info( flows )
 
-        case10_result = appUninstall_result
-        utilities.assert_equals(expect=main.TRUE, actual=case10_result,onpass="Reactive forwarding app uninstallation successful",onfail="Reactive forwarding app uninstallation failed") 
+        case10Result = appUninstallResult
+        utilities.assert_equals(
+            expect=main.TRUE,
+            actual=case10Result,
+            onpass="Reactive forwarding app uninstallation successful",
+            onfail="Reactive forwarding app uninstallation failed" )
 
-    
-    def CASE6(self):
-        main.log.report("This testcase is testing the addition of host intents and then does pingall")
-        main.log.report("__________________________________")
-        main.case("Obtaining host id's")
-        main.step("Get hosts")
+    def CASE6( self ):
+        main.log.report( "This testcase is testing the addition of \
+                         host intents and then does pingall" )
+        main.log.report( "__________________________________" )
+        main.case( "Obtaining host id's" )
+        main.step( "Get hosts" )
         hosts = main.ONOS2.hosts()
-        #main.log.info(hosts)
+        main.log.info( hosts )
 
-        main.step("Get all devices id")
-        devices_id_list = main.ONOS2.get_all_devices_id()
-        #main.log.info(devices_id_list)
-        
-        #ONOS displays the hosts in hex format unlike mininet which does in decimal format
-        #So take care while adding intents
-        '''
-        main.step("Add host-to-host intents for mininet hosts h8 and h18 or ONOS hosts h8 and h12")
-        hth_intent_result = main.ONOS2.add_host_intent("00:00:00:00:00:08/-1", "00:00:00:00:00:12/-1")
-        hth_intent_result = main.ONOS2.add_host_intent("00:00:00:00:00:09/-1", "00:00:00:00:00:13/-1")
-        hth_intent_result = main.ONOS2.add_host_intent("00:00:00:00:00:0A/-1", "00:00:00:00:00:14/-1")
-        hth_intent_result = main.ONOS2.add_host_intent("00:00:00:00:00:0B/-1", "00:00:00:00:00:15/-1")
-        hth_intent_result = main.ONOS2.add_host_intent("00:00:00:00:00:0C/-1", "00:00:00:00:00:16/-1")
-        hth_intent_result = main.ONOS2.add_host_intent("00:00:00:00:00:0D/-1", "00:00:00:00:00:17/-1")
-        hth_intent_result = main.ONOS2.add_host_intent("00:00:00:00:00:0E/-1", "00:00:00:00:00:18/-1")
-        hth_intent_result = main.ONOS2.add_host_intent("00:00:00:00:00:0F/-1", "00:00:00:00:00:19/-1")
-        hth_intent_result = main.ONOS2.add_host_intent("00:00:00:00:00:10/-1", "00:00:00:00:00:1A/-1") 
-        hth_intent_result = main.ONOS2.add_host_intent("00:00:00:00:00:11/-1", "00:00:00:00:00:1B/-1")
-        print "_____________________________________________________________________________________"
-        '''
-        
-        for i in range(8,18):
-            main.log.info("Adding host intent between h"+str(i)+" and h"+str(i+10))
-            host1 =  "00:00:00:00:00:" + str(hex(i)[2:]).zfill(2).upper()
-            host2 =  "00:00:00:00:00:" + str(hex(i+10)[2:]).zfill(2).upper()
-            #NOTE: get host can return None
-            #TODO: handle this
-            host1_id = main.ONOS2.get_host(host1)['id']
-            host2_id = main.ONOS2.get_host(host2)['id']
-            tmp_result = main.ONOS2.add_host_intent(host1_id, host2_id )        
+        main.step( "Get all devices id" )
+        devicesIdList = main.ONOS2.getAllDevicesId()
+        main.log.info( devicesIdList )
 
-        time.sleep(10)
-        h_intents = main.ONOS2.intents(json_format = False)
-        main.log.info("intents:" +h_intents)
-        flowHandle = main.ONOS2.flows()
-        #main.log.info("flow:" +flowHandle)
+        # ONOS displays the hosts in hex format unlike mininet which does
+        # in decimal format
+        # So take care while adding intents
+        """
+        main.step( "Add host-to-host intents for mininet hosts h8 and h18 or
+                    ONOS hosts h8 and h12" )
+        hthIntentResult = main.ONOS2.addHostIntent(
+                            "00:00:00:00:00:08/-1", "00:00:00:00:00:12/-1" )
+        hthIntentResult = main.ONOS2.addHostIntent(
+                            "00:00:00:00:00:09/-1", "00:00:00:00:00:13/-1" )
+        hthIntentResult = main.ONOS2.addHostIntent(
+                            "00:00:00:00:00:0A/-1", "00:00:00:00:00:14/-1" )
+        hthIntentResult = main.ONOS2.addHostIntent(
+                            "00:00:00:00:00:0B/-1", "00:00:00:00:00:15/-1" )
+        hthIntentResult = main.ONOS2.addHostIntent(
+                            "00:00:00:00:00:0C/-1", "00:00:00:00:00:16/-1" )
+        hthIntentResult = main.ONOS2.addHostIntent(
+                            "00:00:00:00:00:0D/-1", "00:00:00:00:00:17/-1" )
+        hthIntentResult = main.ONOS2.addHostIntent(
+                            "00:00:00:00:00:0E/-1", "00:00:00:00:00:18/-1" )
+        hthIntentResult = main.ONOS2.addHostIntent(
+                            "00:00:00:00:00:0F/-1", "00:00:00:00:00:19/-1" )
+        hthIntentResult = main.ONOS2.addHostIntent(
+                            "00:00:00:00:00:10/-1", "00:00:00:00:00:1A/-1" )
+        hthIntentResult = main.ONOS2.addHostIntent(
+                            "00:00:00:00:00:11/-1", "00:00:00:00:00:1B/-1" )
+        print "______________________________________________________"
+        """
+        for i in range( 8, 18 ):
+            main.log.info(
+                "Adding host intent between h" + str( i ) +
+                " and h" + str( i + 10 ) )
+            host1 = "00:00:00:00:00:" + \
+                str( hex( i )[ 2: ] ).zfill( 2 ).upper()
+            host2 = "00:00:00:00:00:" + \
+                str( hex( i + 10 )[ 2: ] ).zfill( 2 ).upper()
+            # NOTE: get host can return None
+            # TODO: handle this
+            host1Id = main.ONOS2.getHost( host1 )[ 'id' ]
+            host2Id = main.ONOS2.getHost( host2 )[ 'id' ]
+            main.ONOS2.addHostIntent( host1Id, host2Id )
+
+        time.sleep( 10 )
+        hIntents = main.ONOS2.intents( jsonFormat=False )
+        main.log.info( "intents:" + hIntents )
+        main.ONOS2.flows()
 
         count = 1
         i = 8
-        Ping_Result = main.TRUE
-        #while i<10:
-        while i <18 :
-            main.log.info("\n\nh"+str(i)+" is Pinging h" + str(i+10))
-            ping = main.Mininet1.pingHost(src="h"+str(i),target="h"+str(i+10))
-            if ping == main.FALSE and count <5:
-                count+=1
-                #i = 8
-                Ping_Result = main.FALSE
-                main.log.report("Ping between h" + str(i) + " and h" + str(i+10) + " failed. Making attempt number "+str(count) + " in 2 seconds")
-                time.sleep(2)
-            elif ping==main.FALSE:
-                main.log.report("All ping attempts between h" + str(i) + " and h" + str(i+10) +"have failed")
-                i=19
-                Ping_Result = main.FALSE
-            elif ping==main.TRUE:
-                main.log.info("Ping test between h" + str(i) + " and h" + str(i+10) + "passed!")
-                i+=1
-                Ping_Result = main.TRUE
+        PingResult = main.TRUE
+        # while i<10:
+        while i < 18:
+            main.log.info(
+                "\n\nh" + str( i ) + " is Pinging h" + str( i + 10 ) )
+            ping = main.Mininet1.pingHost(
+                src="h" + str( i ), target="h" + str( i + 10 ) )
+            if ping == main.FALSE and count < 5:
+                count += 1
+                # i = 8
+                PingResult = main.FALSE
+                main.log.report( "Ping between h" +
+                                 str( i ) +
+                                 " and h" +
+                                 str( i +
+                                      10 ) +
+                                 " failed. Making attempt number " +
+                                 str( count ) +
+                                 " in 2 seconds" )
+                time.sleep( 2 )
+            elif ping == main.FALSE:
+                main.log.report( "All ping attempts between h" +
+                                 str( i ) +
+                                 " and h" +
+                                 str( i +
+                                      10 ) +
+                                 "have failed" )
+                i = 19
+                PingResult = main.FALSE
+            elif ping == main.TRUE:
+                main.log.info( "Ping test between h" +
+                               str( i ) +
+                               " and h" +
+                               str( i +
+                                    10 ) +
+                               "passed!" )
+                i += 1
+                PingResult = main.TRUE
             else:
-                main.log.info("Unknown error")
-                Ping_Result = main.ERROR
-        if Ping_Result==main.FALSE:
-            main.log.report("Ping all test after Host intent addition failed. Cleaning up")
-            #main.cleanup()
-            #main.exit()
-        if Ping_Result==main.TRUE:
-            main.log.report("Ping all test after Host intent addition successful")
-            
-        case6_result = Ping_Result
-        utilities.assert_equals(expect=main.TRUE, actual=case6_result,
-                onpass="Pingall Test after Host intents addition successful",
-                onfail="Pingall Test after Host intents addition failed")
+                main.log.info( "Unknown error" )
+                PingResult = main.ERROR
+        if PingResult == main.FALSE:
+            main.log.report(
+                "Ping all test after Host intent addition failed. Cleaning up" )
+            # main.cleanup()
+            # main.exit()
+        if PingResult == main.TRUE:
+            main.log.report(
+                "Ping all test after Host intent addition successful" )
 
+        case6Result = PingResult
+        utilities.assert_equals(
+            expect=main.TRUE,
+            actual=case6Result,
+            onpass="Pingall Test after Host intents addition successful",
+            onfail="Pingall Test after Host intents addition failed" )
 
-    def CASE5(self,main) :
+    def CASE5( self, main ):
         import json
-        from subprocess import Popen, PIPE
-        from sts.topology.teston_topology import TestONTopology # assumes that sts is already in you PYTHONPATH
-        #main.ONOS2.start_onos_cli(ONOS_ip=main.params['CTRL']['ip1'])
-        deviceResult = main.ONOS2.devices()
-        linksResult = main.ONOS2.links()
-        #portsResult = main.ONOS2.ports()
-        print "**************"
+        # assumes that sts is already in you PYTHONPATH
+        from sts.topology.testonTopology import TestONTopology
+        # main.ONOS2.startOnosCli( ONOSIp=main.params[ 'CTRL' ][ 'ip1' ] )
+        main.log.report( "This testcase is testing if all ONOS nodes \
+                         are in topology sync with mininet" )
+        main.log.report( "__________________________________" )
+        main.case( "Comparing Mininet topology with the topology of ONOS" )
+        main.step( "Start continuous pings" )
+        main.Mininet2.pingLong(
+            src=main.params[ 'PING' ][ 'source1' ],
+            target=main.params[ 'PING' ][ 'target1' ],
+            pingTime=500 )
+        main.Mininet2.pingLong(
+            src=main.params[ 'PING' ][ 'source2' ],
+            target=main.params[ 'PING' ][ 'target2' ],
+            pingTime=500 )
+        main.Mininet2.pingLong(
+            src=main.params[ 'PING' ][ 'source3' ],
+            target=main.params[ 'PING' ][ 'target3' ],
+            pingTime=500 )
+        main.Mininet2.pingLong(
+            src=main.params[ 'PING' ][ 'source4' ],
+            target=main.params[ 'PING' ][ 'target4' ],
+            pingTime=500 )
+        main.Mininet2.pingLong(
+            src=main.params[ 'PING' ][ 'source5' ],
+            target=main.params[ 'PING' ][ 'target5' ],
+            pingTime=500 )
+        main.Mininet2.pingLong(
+            src=main.params[ 'PING' ][ 'source6' ],
+            target=main.params[ 'PING' ][ 'target6' ],
+            pingTime=500 )
+        main.Mininet2.pingLong(
+            src=main.params[ 'PING' ][ 'source7' ],
+            target=main.params[ 'PING' ][ 'target7' ],
+            pingTime=500 )
+        main.Mininet2.pingLong(
+            src=main.params[ 'PING' ][ 'source8' ],
+            target=main.params[ 'PING' ][ 'target8' ],
+            pingTime=500 )
+        main.Mininet2.pingLong(
+            src=main.params[ 'PING' ][ 'source9' ],
+            target=main.params[ 'PING' ][ 'target9' ],
+            pingTime=500 )
+        main.Mininet2.pingLong(
+            src=main.params[ 'PING' ][ 'source10' ],
+            target=main.params[ 'PING' ][ 'target10' ],
+            pingTime=500 )
 
-        main.log.report("This testcase is testing if all ONOS nodes are in topology sync with mininet")
-        main.log.report("__________________________________")
-        main.case("Comparing Mininet topology with the topology of ONOS")
-        main.step("Start continuous pings")
-        main.Mininet2.pingLong(src=main.params['PING']['source1'],
-                            target=main.params['PING']['target1'],pingTime=500)
-        main.Mininet2.pingLong(src=main.params['PING']['source2'],
-                            target=main.params['PING']['target2'],pingTime=500)
-        main.Mininet2.pingLong(src=main.params['PING']['source3'],
-                            target=main.params['PING']['target3'],pingTime=500)
-        main.Mininet2.pingLong(src=main.params['PING']['source4'],
-                            target=main.params['PING']['target4'],pingTime=500)
-        main.Mininet2.pingLong(src=main.params['PING']['source5'],
-                            target=main.params['PING']['target5'],pingTime=500)
-        main.Mininet2.pingLong(src=main.params['PING']['source6'],
-                            target=main.params['PING']['target6'],pingTime=500)
-        main.Mininet2.pingLong(src=main.params['PING']['source7'],
-                            target=main.params['PING']['target7'],pingTime=500)
-        main.Mininet2.pingLong(src=main.params['PING']['source8'],
-                            target=main.params['PING']['target8'],pingTime=500)
-        main.Mininet2.pingLong(src=main.params['PING']['source9'],
-                            target=main.params['PING']['target9'],pingTime=500)
-        main.Mininet2.pingLong(src=main.params['PING']['source10'],
-                            target=main.params['PING']['target10'],pingTime=500)
-
-        main.step("Create TestONTopology object")
+        main.step( "Create TestONTopology object" )
         global ctrls
         ctrls = []
         count = 1
         while True:
             temp = ()
-            if ('ip' + str(count)) in main.params['CTRL']:
-                temp = temp + (getattr(main,('ONOS' + str(count))),)
-                temp = temp + ("ONOS"+str(count),)
-                temp = temp + (main.params['CTRL']['ip'+str(count)],)
-                temp = temp + (eval(main.params['CTRL']['port'+str(count)]),)
-                ctrls.append(temp)
+            if ( 'ip' + str( count ) ) in main.params[ 'CTRL' ]:
+                temp = temp + ( getattr( main, ( 'ONOS' + str( count ) ) ), )
+                temp = temp + ( "ONOS" + str( count ), )
+                temp = temp + ( main.params[ 'CTRL' ][ 'ip' + str( count ) ], )
+                temp = temp + \
+                    ( eval( main.params[ 'CTRL' ][ 'port' + str( count ) ] ), )
+                ctrls.append( temp )
                 count = count + 1
             else:
                 break
         global MNTopo
-        Topo = TestONTopology(main.Mininet1, ctrls) # can also add Intent API info for intent operations
+        Topo = TestONTopology(
+            main.Mininet1,
+            ctrls )  # can also add Intent API info for intent operations
         MNTopo = Topo
 
-        Topology_Check = main.TRUE
-        main.step("Compare ONOS Topology to MN Topology")
-        devices_json = main.ONOS2.devices()
-        links_json = main.ONOS2.links()
-        #ports_json = main.ONOS2.ports()
-        print "devices_json= ", devices_json
-        
-        result1 = main.Mininet1.compare_switches(MNTopo, json.loads(devices_json))
-        result2 = main.Mininet1.compare_links(MNTopo, json.loads(links_json))
-        #result3 = main.Mininet1.compare_ports(MNTopo, json.loads(ports_json))
-            
-        #result = result1 and result2 and result3
+        TopologyCheck = main.TRUE
+        main.step( "Compare ONOS Topology to MN Topology" )
+        devicesJson = main.ONOS2.devices()
+        linksJson = main.ONOS2.links()
+        # portsJson = main.ONOS2.ports()
+
+        result1 = main.Mininet1.compareSwitches(
+            MNTopo,
+            json.loads( devicesJson ) )
+        result2 = main.Mininet1.compareLinks(
+            MNTopo,
+            json.loads( linksJson ) )
+        # result3 = main.Mininet1.comparePorts(
+        # MNTopo, json.loads( portsJson ) )
+
+        # result = result1 and result2 and result3
         result = result1 and result2
-        
+
         print "***********************"
         if result == main.TRUE:
-            main.log.report("ONOS"+ " Topology matches MN Topology")
+            main.log.report( "ONOS" + " Topology matches MN Topology" )
         else:
-            main.log.report("ONOS"+ " Topology does not match MN Topology") 
+            main.log.report( "ONOS" + " Topology does not match MN Topology" )
 
-        utilities.assert_equals(expect=main.TRUE,actual=result,
-            onpass="ONOS" + " Topology matches MN Topology",
-            onfail="ONOS" + " Topology does not match MN Topology")
-        
-        Topology_Check = Topology_Check and result
-        utilities.assert_equals(expect=main.TRUE,actual=Topology_Check,
-            onpass="Topology checks passed", onfail="Topology checks failed")
-    
+        utilities.assert_equals(
+            expect=main.TRUE,
+            actual=result,
+            onpass="ONOS" +
+            " Topology matches MN Topology",
+            onfail="ONOS" +
+            " Topology does not match MN Topology" )
 
-    def CASE7 (self,main):
-       
-        ONOS1_ip = main.params['CTRL']['ip1']
+        TopologyCheck = TopologyCheck and result
+        utilities.assert_equals(
+            expect=main.TRUE,
+            actual=TopologyCheck,
+            onpass="Topology checks passed",
+            onfail="Topology checks failed" )
 
-        link_sleep = int(main.params['timers']['LinkDiscovery'])
+    def CASE7( self, main ):
+        from sts.topology.testonTopology import TestONTopology
 
-        main.log.report("This testscase is killing a link to ensure that link discovery is consistent")
-        main.log.report("__________________________________")
-        main.log.report("Killing a link to ensure that link discovery is consistent")
-        main.case("Killing a link to Ensure that Link Discovery is Working Properly")
-        '''
-        main.step("Start continuous pings")
-       
-        main.Mininet2.pingLong(src=main.params['PING']['source1'],
-                            target=main.params['PING']['target1'],pingTime=500)
-        main.Mininet2.pingLong(src=main.params['PING']['source2'],
-                            target=main.params['PING']['target2'],pingTime=500)
-        main.Mininet2.pingLong(src=main.params['PING']['source3'],
-                            target=main.params['PING']['target3'],pingTime=500)
-        main.Mininet2.pingLong(src=main.params['PING']['source4'],
-                            target=main.params['PING']['target4'],pingTime=500)
-        main.Mininet2.pingLong(src=main.params['PING']['source5'],
-                            target=main.params['PING']['target5'],pingTime=500)
-        main.Mininet2.pingLong(src=main.params['PING']['source6'],
-                            target=main.params['PING']['target6'],pingTime=500)
-        main.Mininet2.pingLong(src=main.params['PING']['source7'],
-                            target=main.params['PING']['target7'],pingTime=500)
-        main.Mininet2.pingLong(src=main.params['PING']['source8'],
-                            target=main.params['PING']['target8'],pingTime=500)
-        main.Mininet2.pingLong(src=main.params['PING']['source9'],
-                            target=main.params['PING']['target9'],pingTime=500)
-        main.Mininet2.pingLong(src=main.params['PING']['source10'],
-                            target=main.params['PING']['target10'],pingTime=500)
-        '''
+        linkSleep = int( main.params[ 'timers' ][ 'LinkDiscovery' ] )
 
-        main.step("Determine the current number of switches and links")
-        topology_output = main.ONOS2.topology()
-        topology_result = main.ONOS1.get_topology(topology_output)
-        activeSwitches = topology_result['devices']
-        links = topology_result['links']
-        print "activeSwitches = ", type(activeSwitches)
-        print "links = ", type(links)
-        main.log.info("Currently there are %s switches and %s links"  %(str(activeSwitches), str(links)))
+        main.log.report( "This testscase is killing a link to ensure that \
+                         link discovery is consistent" )
+        main.log.report( "__________________________________" )
+        main.log.report( "Killing a link to ensure that link discovery \
+                         is consistent" )
+        main.case( "Killing a link to Ensure that Link Discovery \
+                   is Working Properly" )
+        """
+        main.step( "Start continuous pings" )
 
-        main.step("Kill Link between s3 and s28")
-        main.Mininet1.link(END1="s3",END2="s28",OPTION="down")
-        time.sleep(link_sleep)
-        topology_output = main.ONOS2.topology()
-        Link_Down = main.ONOS1.check_status(topology_output,activeSwitches,str(int(links)-2))
-        if Link_Down == main.TRUE:
-            main.log.report("Link Down discovered properly")
-        utilities.assert_equals(expect=main.TRUE,actual=Link_Down,
-                onpass="Link Down discovered properly",
-                onfail="Link down was not discovered in "+ str(link_sleep) + " seconds")
-       
-        #Check ping result here..add code for it
-         
-        main.step("Bring link between s3 and s28 back up")
-        Link_Up = main.Mininet1.link(END1="s3",END2="s28",OPTION="up")
-        time.sleep(link_sleep)
-        topology_output = main.ONOS2.topology()
-        Link_Up = main.ONOS1.check_status(topology_output,activeSwitches,str(links))
-        if Link_Up == main.TRUE:
-            main.log.report("Link up discovered properly")
-        utilities.assert_equals(expect=main.TRUE,actual=Link_Up,
-                onpass="Link up discovered properly",
-                onfail="Link up was not discovered in "+ str(link_sleep) + " seconds")
-            
-        #NOTE Check ping result here..add code for it
-        
-        
-        main.step("Compare ONOS Topology to MN Topology")
-        Topo = TestONTopology(main.Mininet1, ctrls) # can also add Intent API info for intent operations
+        main.Mininet2.pingLong( src=main.params[ 'PING' ][ 'source1' ],
+                               target=main.params[ 'PING' ][ 'target1' ],
+                               pingTime=500 )
+        main.Mininet2.pingLong( src=main.params[ 'PING' ][ 'source2' ],
+                               target=main.params[ 'PING' ][ 'target2' ],
+                               pingTime=500 )
+        main.Mininet2.pingLong( src=main.params[ 'PING' ][ 'source3' ],
+                               target=main.params[ 'PING' ][ 'target3' ],
+                               pingTime=500 )
+        main.Mininet2.pingLong( src=main.params[ 'PING' ][ 'source4' ],
+                               target=main.params[ 'PING' ][ 'target4' ],
+                               pingTime=500 )
+        main.Mininet2.pingLong( src=main.params[ 'PING' ][ 'source5' ],
+                               target=main.params[ 'PING' ][ 'target5' ],
+                               pingTime=500 )
+        main.Mininet2.pingLong( src=main.params[ 'PING' ][ 'source6' ],
+                               target=main.params[ 'PING' ][ 'target6' ],
+                               pingTime=500 )
+        main.Mininet2.pingLong( src=main.params[ 'PING' ][ 'source7' ],
+                               target=main.params[ 'PING' ][ 'target7' ],
+                               pingTime=500 )
+        main.Mininet2.pingLong( src=main.params[ 'PING' ][ 'source8' ],
+                               target=main.params[ 'PING' ][ 'target8' ],
+                               pingTime=500 )
+        main.Mininet2.pingLong( src=main.params[ 'PING' ][ 'source9' ],
+                               target=main.params[ 'PING' ][ 'target9' ],
+                               pingTime=500 )
+        main.Mininet2.pingLong( src=main.params[ 'PING' ][ 'source10' ],
+                               target=main.params[ 'PING' ][ 'target10' ],
+                               pingTime=500 )
+        """
+        main.step( "Determine the current number of switches and links" )
+        topologyOutput = main.ONOS2.topology()
+        topologyResult = main.ONOS1.getTopology( topologyOutput )
+        activeSwitches = topologyResult[ 'devices' ]
+        links = topologyResult[ 'links' ]
+        print "activeSwitches = ", type( activeSwitches )
+        print "links = ", type( links )
+        main.log.info(
+            "Currently there are %s switches and %s links" %
+            ( str( activeSwitches ), str( links ) ) )
+
+        main.step( "Kill Link between s3 and s28" )
+        main.Mininet1.link( END1="s3", END2="s28", OPTION="down" )
+        time.sleep( linkSleep )
+        topologyOutput = main.ONOS2.topology()
+        LinkDown = main.ONOS1.checkStatus(
+            topologyOutput, activeSwitches, str(
+                int( links ) - 2 ) )
+        if LinkDown == main.TRUE:
+            main.log.report( "Link Down discovered properly" )
+        utilities.assert_equals(
+            expect=main.TRUE,
+            actual=LinkDown,
+            onpass="Link Down discovered properly",
+            onfail="Link down was not discovered in " +
+            str( linkSleep ) +
+            " seconds" )
+
+        # Check ping result here..add code for it
+
+        main.step( "Bring link between s3 and s28 back up" )
+        LinkUp = main.Mininet1.link( END1="s3", END2="s28", OPTION="up" )
+        time.sleep( linkSleep )
+        topologyOutput = main.ONOS2.topology()
+        LinkUp = main.ONOS1.checkStatus(
+            topologyOutput,
+            activeSwitches,
+            str( links ) )
+        if LinkUp == main.TRUE:
+            main.log.report( "Link up discovered properly" )
+        utilities.assert_equals(
+            expect=main.TRUE,
+            actual=LinkUp,
+            onpass="Link up discovered properly",
+            onfail="Link up was not discovered in " +
+            str( linkSleep ) +
+            " seconds" )
+
+        # NOTE Check ping result here..add code for it
+
+        main.step( "Compare ONOS Topology to MN Topology" )
+        Topo = TestONTopology(
+            main.Mininet1,
+            ctrls )  # can also add Intent API info for intent operations
         MNTopo = Topo
-        Topology_Check = main.TRUE
-        
-        devices_json = main.ONOS2.devices()
-        links_json = main.ONOS2.links()
-        ports_json = main.ONOS2.ports()
-        print "devices_json= ", devices_json
-        
-        result1 = main.Mininet1.compare_switches(MNTopo, json.loads(devices_json))
-        result2 = main.Mininet1.compare_links(MNTopo, json.loads(links_json))
-        #result3 = main.Mininet1.compare_ports(MNTopo, json.loads(ports_json))
-            
-        #result = result1 and result2 and result3
+        TopologyCheck = main.TRUE
+
+        devicesJson = main.ONOS2.devices()
+        linksJson = main.ONOS2.links()
+        portsJson = main.ONOS2.ports()
+
+        result1 = main.Mininet1.compareSwitches(
+            MNTopo,
+            json.loads( devicesJson ) )
+        result2 = main.Mininet1.compareLinks(
+            MNTopo,
+            json.loads( linksJson ) )
+        # result3 = main.Mininet1.comparePorts(
+        # MNTopo, json.loads( portsJson ) )
+
+        # result = result1 and result2 and result3
         result = result1 and result2
         print "***********************"
-        
+
         if result == main.TRUE:
-            main.log.report("ONOS"+ " Topology matches MN Topology")
-        utilities.assert_equals(expect=main.TRUE,actual=result,
-            onpass="ONOS" + " Topology matches MN Topology",
-            onfail="ONOS" + " Topology does not match MN Topology")
-        
-        Topology_Check = Topology_Check and result
-        utilities.assert_equals(expect=main.TRUE,actual=Topology_Check,
-            onpass="Topology checks passed", onfail="Topology checks failed")
-    
-        result = Link_Down and Link_Up and Topology_Check
-        utilities.assert_equals(expect=main.TRUE,actual=result,
-                onpass="Link failure is discovered correctly",
-                onfail="Link Discovery failed")
+            main.log.report( "ONOS" + " Topology matches MN Topology" )
+        utilities.assert_equals(
+            expect=main.TRUE,
+            actual=result,
+            onpass="ONOS" +
+            " Topology matches MN Topology",
+            onfail="ONOS" +
+            " Topology does not match MN Topology" )
 
+        TopologyCheck = TopologyCheck and result
+        utilities.assert_equals(
+            expect=main.TRUE,
+            actual=TopologyCheck,
+            onpass="Topology checks passed",
+            onfail="Topology checks failed" )
 
-    def CASE8(self):
-        '''
+        result = LinkDown and LinkUp and TopologyCheck
+        utilities.assert_equals( expect=main.TRUE, actual=result,
+                                onpass="Link failure is discovered correctly",
+                                onfail="Link Discovery failed" )
+
+    def CASE8( self ):
+        """
         Host intents removal
-        ''' 
-        main.log.report("This testcase removes any previously added intents before adding the same intents or point intents")
-        main.log.report("__________________________________")        
-        main.log.info("Host intents removal")
-        main.case("Removing host intents")
-        main.step("Obtain the intent id's")
-        intent_result = main.ONOS2.intents(json_format = False)
-        main.log.info("intent_result = " +intent_result)        
- 
-        intent_linewise = intent_result.split("\n")
+        """
+        main.log.report( "This testcase removes any previously added intents \
+                         before adding the same intents or point intents" )
+        main.log.report( "__________________________________" )
+        main.log.info( "Host intents removal" )
+        main.case( "Removing host intents" )
+        main.step( "Obtain the intent id's" )
+        intentResult = main.ONOS2.intents( jsonFormat=False )
+        main.log.info( "intent_result = " + intentResult )
+
+        intentLinewise = intentResult.split( "\n" )
         intentList = []
-        for line in intent_linewise:
-            if line.startswith("id="):
-                intentList.append(line)
-        
+        for line in intentLinewise:
+            if line.startswith( "id=" ):
+                intentList.append( line )
+
         intentids = []
         for line in intentList:
-            intentids.append(line.split(",")[0].split("=")[1])
+            intentids.append( line.split( "," )[ 0 ].split( "=" )[ 1 ] )
         for id in intentids:
             print "id = ", id
-        
-        main.step("Iterate through the intentids list and remove each intent")
+
+        main.step(
+            "Iterate through the intentids list and remove each intent" )
         for id in intentids:
-            main.ONOS2.remove_intent(intent_id = id)
-        
-        intent_result = main.ONOS2.intents(json_format = False)
-        main.log.info("intent_result = " +intent_result)        
+            main.ONOS2.removeIntent( intentId=id )
 
-        case8_result = main.TRUE
-        if case8_result == main.TRUE:
-            main.log.report("Intent removal successful")
+        intentResult = main.ONOS2.intents( jsonFormat=False )
+        main.log.info( "intent_result = " + intentResult )
+
+        case8Result = main.TRUE
+        if case8Result == main.TRUE:
+            main.log.report( "Intent removal successful" )
         else:
-            main.log.report("Intent removal failed")
-       
-        Ping_Result = main.TRUE
-        if case8_result == main.TRUE:
+            main.log.report( "Intent removal failed" )
+
+        PingResult = main.TRUE
+        if case8Result == main.TRUE:
             i = 8
-            while i <18 :
-                main.log.info("\n\nh"+str(i)+" is Pinging h" + str(i+10))
-                ping = main.Mininet1.pingHost(src="h"+str(i),target="h"+str(i+10))
-                if ping==main.TRUE:
+            while i < 18:
+                main.log.info(
+                    "\n\nh" + str( i ) + " is Pinging h" + str( i + 10 ) )
+                ping = main.Mininet1.pingHost(
+                    src="h" + str( i ), target="h" + str( i + 10 ) )
+                if ping == main.TRUE:
                     i = 19
-                    Ping_Result = Ping_Result and main.TRUE
-                elif ping==main.FALSE:
-                    i+=1
-                    Ping_Result = Ping_Result and main.FALSE
+                    PingResult = PingResult and main.TRUE
+                elif ping == main.FALSE:
+                    i += 1
+                    PingResult = PingResult and main.FALSE
                 else:
-                    main.log.info("Unknown error")
-                    Ping_Result = main.ERROR
+                    main.log.info( "Unknown error" )
+                    PingResult = main.ERROR
 
-            #Note: If the ping result failed, that means the intents have been withdrawn correctly.
-        if Ping_Result==main.TRUE:
-            main.log.report("Host intents have not been withdrawn correctly")
-            #main.cleanup()
-            #main.exit()
-        if Ping_Result==main.FALSE:
-            main.log.report("Host intents have been withdrawn correctly")
+            # Note: If the ping result failed, that means the intents have been
+            # withdrawn correctly.
+        if PingResult == main.TRUE:
+            main.log.report( "Host intents have not been withdrawn correctly" )
+            # main.cleanup()
+            # main.exit()
+        if PingResult == main.FALSE:
+            main.log.report( "Host intents have been withdrawn correctly" )
 
-        case8_result = case8_result and Ping_Result
+        case8Result = case8Result and PingResult
 
-        if case8_result == main.FALSE:
-            main.log.report("Intent removal successful")
+        if case8Result == main.FALSE:
+            main.log.report( "Intent removal successful" )
         else:
-            main.log.report("Intent removal failed")
+            main.log.report( "Intent removal failed" )
 
-        utilities.assert_equals(expect=main.FALSE, actual=case8_result,
-                onpass="Intent removal test failed",
-                onfail="Intent removal test passed")
+        utilities.assert_equals( expect=main.FALSE, actual=case8Result,
+                                onpass="Intent removal test failed",
+                                onfail="Intent removal test passed" )
 
+    def CASE9( self ):
+        main.log.report(
+            "This testcase adds point intents and then does pingall" )
+        main.log.report( "__________________________________" )
+        main.log.info( "Adding point intents" )
+        main.case(
+            "Adding bidirectional point for mn hosts \
+                  ( h8-h18, h9-h19, h10-h20, h11-h21, h12-h22,\
+                   h13-h23, h14-h24, h15-h25, h16-h26, h17-h27 )" )
+        main.step(
+            "Add point intents for mininet hosts h8 and h18 or \
+                  ONOS hosts h8 and h12" )
+        ptpIntentResult = main.ONOS2.addPointIntent(
+            "of:0000000000003008/1",
+            "of:0000000000006018/1" )
+        if ptpIntentResult == main.TRUE:
+            getIntentResult = main.ONOS2.intents()
+            main.log.info( "Point to point intent install successful" )
+            # main.log.info( getIntentResult )
 
-    def CASE9(self):
-        main.log.report("This testcase adds point intents and then does pingall")
-        main.log.report("__________________________________") 
-        main.log.info("Adding point intents")
-        main.case("Adding bidirectional point for mn hosts(h8-h18,h9-h19,h10-h20,h11-h21,h12-h22,h13-h23,h14-h24,h15-h25,h16-h26,h17-h27)") 
-        main.step("Add point-to-point intents for mininet hosts h8 and h18 or ONOS hosts h8 and h12")
-        ptp_intent_result = main.ONOS2.add_point_intent("of:0000000000003008/1", "of:0000000000006018/1")
-        if ptp_intent_result == main.TRUE:
-            get_intent_result = main.ONOS2.intents()
-            main.log.info("Point to point intent install successful")
-            #main.log.info(get_intent_result)
-       
-        ptp_intent_result = main.ONOS2.add_point_intent("of:0000000000006018/1", "of:0000000000003008/1")
-        if ptp_intent_result == main.TRUE:
-            get_intent_result = main.ONOS2.intents()
-            main.log.info("Point to point intent install successful")
-            #main.log.info(get_intent_result)
-       
-        main.step("Add point-to-point intents for mininet hosts h9 and h19 or ONOS hosts h9 and h13")
-        ptp_intent_result = main.ONOS2.add_point_intent("of:0000000000003009/1", "of:0000000000006019/1")
-        if ptp_intent_result == main.TRUE:
-            get_intent_result = main.ONOS2.intents()
-            main.log.info("Point to point intent install successful")
-            #main.log.info(get_intent_result)
-       
-        ptp_intent_result = main.ONOS2.add_point_intent("of:0000000000006019/1", "of:0000000000003009/1")
-        if ptp_intent_result == main.TRUE:
-            get_intent_result = main.ONOS2.intents()
-            main.log.info("Point to point intent install successful")
-            #main.log.info(get_intent_result)
-        
-        main.step("Add point-to-point intents for mininet hosts h10 and h20 or ONOS hosts hA and h14")
-        ptp_intent_result = main.ONOS2.add_point_intent("of:0000000000003010/1", "of:0000000000006020/1")
-        if ptp_intent_result == main.TRUE:
-            get_intent_result = main.ONOS2.intents()
-            main.log.info("Point to point intent install successful")
-            #main.log.info(get_intent_result)
-       
-        ptp_intent_result = main.ONOS2.add_point_intent("of:0000000000006020/1", "of:0000000000003010/1")
-        if ptp_intent_result == main.TRUE:
-            get_intent_result = main.ONOS2.intents()
-            main.log.info("Point to point intent install successful")
-            #main.log.info(get_intent_result)
+        ptpIntentResult = main.ONOS2.addPointIntent(
+            "of:0000000000006018/1",
+            "of:0000000000003008/1" )
+        if ptpIntentResult == main.TRUE:
+            getIntentResult = main.ONOS2.intents()
+            main.log.info( "Point to point intent install successful" )
+            # main.log.info( getIntentResult )
 
-        main.step("Add point-to-point intents for mininet hosts h11 and h21 or ONOS hosts hB and h15")
-        ptp_intent_result = main.ONOS2.add_point_intent("of:0000000000003011/1", "of:0000000000006021/1")
-        if ptp_intent_result == main.TRUE:
-            get_intent_result = main.ONOS2.intents()
-            main.log.info("Point to point intent install successful")
-            #main.log.info(get_intent_result)
-       
-        ptp_intent_result = main.ONOS2.add_point_intent("of:0000000000006021/1", "of:0000000000003011/1")
-        if ptp_intent_result == main.TRUE:
-            get_intent_result = main.ONOS2.intents()
-            main.log.info("Point to point intent install successful")
-            #main.log.info(get_intent_result)
-            
-        main.step("Add point-to-point intents for mininet hosts h12 and h22 or ONOS hosts hC and h16")
-        ptp_intent_result = main.ONOS2.add_point_intent("of:0000000000003012/1", "of:0000000000006022/1")
-        if ptp_intent_result == main.TRUE:
-            get_intent_result = main.ONOS2.intents()
-            main.log.info("Point to point intent install successful")
-            #main.log.info(get_intent_result)
-       
-        ptp_intent_result = main.ONOS2.add_point_intent("of:0000000000006022/1", "of:0000000000003012/1")
-        if ptp_intent_result == main.TRUE:
-            get_intent_result = main.ONOS2.intents()
-            main.log.info("Point to point intent install successful")
-            #main.log.info(get_intent_result)
-            
-        main.step("Add point-to-point intents for mininet hosts h13 and h23 or ONOS hosts hD and h17")
-        ptp_intent_result = main.ONOS2.add_point_intent("of:0000000000003013/1", "of:0000000000006023/1")
-        if ptp_intent_result == main.TRUE:
-            get_intent_result = main.ONOS2.intents()
-            main.log.info("Point to point intent install successful")
-            #main.log.info(get_intent_result)
-       
-        ptp_intent_result = main.ONOS2.add_point_intent("of:0000000000006023/1", "of:0000000000003013/1")
-        if ptp_intent_result == main.TRUE:
-            get_intent_result = main.ONOS2.intents()
-            main.log.info("Point to point intent install successful")
-            #main.log.info(get_intent_result)
+        main.step(
+            "Add point intents for mininet hosts h9 and h19 or \
+                  ONOS hosts h9 and h13" )
+        ptpIntentResult = main.ONOS2.addPointIntent(
+            "of:0000000000003009/1",
+            "of:0000000000006019/1" )
+        if ptpIntentResult == main.TRUE:
+            getIntentResult = main.ONOS2.intents()
+            main.log.info( "Point to point intent install successful" )
+            # main.log.info( getIntentResult )
 
-        main.step("Add point-to-point intents for mininet hosts h14 and h24 or ONOS hosts hE and h18")
-        ptp_intent_result = main.ONOS2.add_point_intent("of:0000000000003014/1", "of:0000000000006024/1")
-        if ptp_intent_result == main.TRUE:
-            get_intent_result = main.ONOS2.intents()
-            main.log.info("Point to point intent install successful")
-            #main.log.info(get_intent_result)
-       
-        ptp_intent_result = main.ONOS2.add_point_intent("of:0000000000006024/1", "of:0000000000003014/1")
-        if ptp_intent_result == main.TRUE:
-            get_intent_result = main.ONOS2.intents()
-            main.log.info("Point to point intent install successful")
-            #main.log.info(get_intent_result)
-            
-        main.step("Add point-to-point intents for mininet hosts h15 and h25 or ONOS hosts hF and h19")
-        ptp_intent_result = main.ONOS2.add_point_intent("of:0000000000003015/1", "of:0000000000006025/1")
-        if ptp_intent_result == main.TRUE:
-            get_intent_result = main.ONOS2.intents()
-            main.log.info("Point to point intent install successful")
-            #main.log.info(get_intent_result)
-       
-        ptp_intent_result = main.ONOS2.add_point_intent("of:0000000000006025/1", "of:0000000000003015/1")
-        if ptp_intent_result == main.TRUE:
-            get_intent_result = main.ONOS2.intents()
-            main.log.info("Point to point intent install successful")
-            #main.log.info(get_intent_result)
-            
-        main.step("Add point-to-point intents for mininet hosts h16 and h26 or ONOS hosts h10 and h1A")
-        ptp_intent_result = main.ONOS2.add_point_intent("of:0000000000003016/1", "of:0000000000006026/1")
-        if ptp_intent_result == main.TRUE:
-            get_intent_result = main.ONOS2.intents()
-            main.log.info("Point to point intent install successful")
-            #main.log.info(get_intent_result)
-       
-        ptp_intent_result = main.ONOS2.add_point_intent("of:0000000000006026/1", "of:0000000000003016/1")
-        if ptp_intent_result == main.TRUE:
-            get_intent_result = main.ONOS2.intents()
-            main.log.info("Point to point intent install successful")
-            #main.log.info(get_intent_result)
+        ptpIntentResult = main.ONOS2.addPointIntent(
+            "of:0000000000006019/1",
+            "of:0000000000003009/1" )
+        if ptpIntentResult == main.TRUE:
+            getIntentResult = main.ONOS2.intents()
+            main.log.info( "Point to point intent install successful" )
+            # main.log.info( getIntentResult )
 
+        main.step(
+            "Add point intents for mininet hosts h10 and h20 or \
+                  ONOS hosts hA and h14" )
+        ptpIntentResult = main.ONOS2.addPointIntent(
+            "of:0000000000003010/1",
+            "of:0000000000006020/1" )
+        if ptpIntentResult == main.TRUE:
+            getIntentResult = main.ONOS2.intents()
+            main.log.info( "Point to point intent install successful" )
+            # main.log.info( getIntentResult )
 
-        main.step("Add point-to-point intents for mininet hosts h17 and h27 or ONOS hosts h11 and h1B")
-        ptp_intent_result = main.ONOS2.add_point_intent("of:0000000000003017/1", "of:0000000000006027/1")
-        if ptp_intent_result == main.TRUE:
-            get_intent_result = main.ONOS2.intents()
-            main.log.info("Point to point intent install successful")
-            #main.log.info(get_intent_result)
-       
-        ptp_intent_result = main.ONOS2.add_point_intent("of:0000000000006027/1", "of:0000000000003017/1")
-        if ptp_intent_result == main.TRUE:
-            get_intent_result = main.ONOS2.intents()
-            main.log.info("Point to point intent install successful")
-            #main.log.info(get_intent_result)
+        ptpIntentResult = main.ONOS2.addPointIntent(
+            "of:0000000000006020/1",
+            "of:0000000000003010/1" )
+        if ptpIntentResult == main.TRUE:
+            getIntentResult = main.ONOS2.intents()
+            main.log.info( "Point to point intent install successful" )
+            # main.log.info( getIntentResult )
 
-        print("_______________________________________________________________________________________")
+        main.step(
+            "Add point intents for mininet hosts h11 and h21 or \
+                  ONOS hosts hB and h15" )
+        ptpIntentResult = main.ONOS2.addPointIntent(
+            "of:0000000000003011/1",
+            "of:0000000000006021/1" )
+        if ptpIntentResult == main.TRUE:
+            getIntentResult = main.ONOS2.intents()
+            main.log.info( "Point to point intent install successful" )
+            # main.log.info( getIntentResult )
+
+        ptpIntentResult = main.ONOS2.addPointIntent(
+            "of:0000000000006021/1",
+            "of:0000000000003011/1" )
+        if ptpIntentResult == main.TRUE:
+            getIntentResult = main.ONOS2.intents()
+            main.log.info( "Point to point intent install successful" )
+            # main.log.info( getIntentResult )
+
+        main.step(
+            "Add point intents for mininet hosts h12 and h22 \
+                  ONOS hosts hC and h16" )
+        ptpIntentResult = main.ONOS2.addPointIntent(
+            "of:0000000000003012/1",
+            "of:0000000000006022/1" )
+        if ptpIntentResult == main.TRUE:
+            getIntentResult = main.ONOS2.intents()
+            main.log.info( "Point to point intent install successful" )
+            # main.log.info( getIntentResult )
+
+        ptpIntentResult = main.ONOS2.addPointIntent(
+            "of:0000000000006022/1",
+            "of:0000000000003012/1" )
+        if ptpIntentResult == main.TRUE:
+            getIntentResult = main.ONOS2.intents()
+            main.log.info( "Point to point intent install successful" )
+            # main.log.info( getIntentResult )
+
+        main.step(
+            "Add point intents for mininet hosts h13 and h23 or \
+                  ONOS hosts hD and h17" )
+        ptpIntentResult = main.ONOS2.addPointIntent(
+            "of:0000000000003013/1",
+            "of:0000000000006023/1" )
+        if ptpIntentResult == main.TRUE:
+            getIntentResult = main.ONOS2.intents()
+            main.log.info( "Point to point intent install successful" )
+            # main.log.info( getIntentResult )
+
+        ptpIntentResult = main.ONOS2.addPointIntent(
+            "of:0000000000006023/1",
+            "of:0000000000003013/1" )
+        if ptpIntentResult == main.TRUE:
+            getIntentResult = main.ONOS2.intents()
+            main.log.info( "Point to point intent install successful" )
+            # main.log.info( getIntentResult )
+
+        main.step(
+            "Add point intents for mininet hosts h14 and h24 or \
+                  ONOS hosts hE and h18" )
+        ptpIntentResult = main.ONOS2.addPointIntent(
+            "of:0000000000003014/1",
+            "of:0000000000006024/1" )
+        if ptpIntentResult == main.TRUE:
+            getIntentResult = main.ONOS2.intents()
+            main.log.info( "Point to point intent install successful" )
+            # main.log.info( getIntentResult )
+
+        ptpIntentResult = main.ONOS2.addPointIntent(
+            "of:0000000000006024/1",
+            "of:0000000000003014/1" )
+        if ptpIntentResult == main.TRUE:
+            getIntentResult = main.ONOS2.intents()
+            main.log.info( "Point to point intent install successful" )
+            # main.log.info( getIntentResult )
+
+        main.step(
+            "Add point intents for mininet hosts h15 and h25 or \
+                  ONOS hosts hF and h19" )
+        ptpIntentResult = main.ONOS2.addPointIntent(
+            "of:0000000000003015/1",
+            "of:0000000000006025/1" )
+        if ptpIntentResult == main.TRUE:
+            getIntentResult = main.ONOS2.intents()
+            main.log.info( "Point to point intent install successful" )
+            # main.log.info( getIntentResult )
+
+        ptpIntentResult = main.ONOS2.addPointIntent(
+            "of:0000000000006025/1",
+            "of:0000000000003015/1" )
+        if ptpIntentResult == main.TRUE:
+            getIntentResult = main.ONOS2.intents()
+            main.log.info( "Point to point intent install successful" )
+            # main.log.info( getIntentResult )
+
+        main.step(
+            "Add intents for mininet hosts h16 and h26 or \
+                  ONOS hosts h10 and h1A" )
+        ptpIntentResult = main.ONOS2.addPointIntent(
+            "of:0000000000003016/1",
+            "of:0000000000006026/1" )
+        if ptpIntentResult == main.TRUE:
+            getIntentResult = main.ONOS2.intents()
+            main.log.info( "Point to point intent install successful" )
+            # main.log.info( getIntentResult )
+
+        ptpIntentResult = main.ONOS2.addPointIntent(
+            "of:0000000000006026/1",
+            "of:0000000000003016/1" )
+        if ptpIntentResult == main.TRUE:
+            getIntentResult = main.ONOS2.intents()
+            main.log.info( "Point to point intent install successful" )
+            # main.log.info( getIntentResult )
+
+        main.step(
+            "Add point intents for mininet hosts h17 and h27 or \
+                  ONOS hosts h11 and h1B" )
+        ptpIntentResult = main.ONOS2.addPointIntent(
+            "of:0000000000003017/1",
+            "of:0000000000006027/1" )
+        if ptpIntentResult == main.TRUE:
+            getIntentResult = main.ONOS2.intents()
+            main.log.info( "Point to point intent install successful" )
+            main.log.info( getIntentResult )
+
+        ptpIntentResult = main.ONOS2.addPointIntent(
+            "of:0000000000006027/1",
+            "of:0000000000003017/1" )
+        if ptpIntentResult == main.TRUE:
+            getIntentResult = main.ONOS2.intents()
+            main.log.info( "Point to point intent install successful" )
+            main.log.info( getIntentResult )
+
+        print(
+            "___________________________________________________________" )
 
         flowHandle = main.ONOS2.flows()
-        #print "flowHandle = ", flowHandle
-        main.log.info("flows :" + flowHandle)        
+        # print "flowHandle = ", flowHandle
+        main.log.info( "flows :" + flowHandle )
 
         count = 1
         i = 8
-        Ping_Result = main.TRUE
-        while i <18 :
-            main.log.info("\n\nh"+str(i)+" is Pinging h" + str(i+10))
-            ping = main.Mininet1.pingHost(src="h"+str(i),target="h"+str(i+10))
-            if ping == main.FALSE and count <5:
-                count+=1
-                #i = 8
-                Ping_Result = main.FALSE
-                main.log.report("Ping between h" + str(i) + " and h" + str(i+10) + " failed. Making attempt number "+str(count) + " in 2 seconds")
-                time.sleep(2)
-            elif ping==main.FALSE:
-                main.log.report("All ping attempts between h" + str(i) + " and h" + str(i+10) +"have failed")
-                i=19
-                Ping_Result = main.FALSE
-            elif ping==main.TRUE:
-                main.log.info("Ping test between h" + str(i) + " and h" + str(i+10) + "passed!")
-                i+=1
-                Ping_Result = main.TRUE
+        PingResult = main.TRUE
+        while i < 18:
+            main.log.info(
+                "\n\nh" + str( i ) + " is Pinging h" + str( i + 10 ) )
+            ping = main.Mininet1.pingHost(
+                src="h" + str( i ), target="h" + str( i + 10 ) )
+            if ping == main.FALSE and count < 5:
+                count += 1
+                # i = 8
+                PingResult = main.FALSE
+                main.log.report( "Ping between h" +
+                                 str( i ) +
+                                 " and h" +
+                                 str( i +
+                                      10 ) +
+                                 " failed. Making attempt number " +
+                                 str( count ) +
+                                 " in 2 seconds" )
+                time.sleep( 2 )
+            elif ping == main.FALSE:
+                main.log.report( "All ping attempts between h" +
+                                 str( i ) +
+                                 " and h" +
+                                 str( i +
+                                      10 ) +
+                                 "have failed" )
+                i = 19
+                PingResult = main.FALSE
+            elif ping == main.TRUE:
+                main.log.info( "Ping test between h" +
+                               str( i ) +
+                               " and h" +
+                               str( i +
+                                    10 ) +
+                               "passed!" )
+                i += 1
+                PingResult = main.TRUE
             else:
-                main.log.info("Unknown error")
-                Ping_Result = main.ERROR
+                main.log.info( "Unknown error" )
+                PingResult = main.ERROR
 
-        if Ping_Result==main.FALSE:
-            main.log.report("Point intents have not ben installed correctly. Cleaning up")
-            #main.cleanup()
-            #main.exit()
-        if Ping_Result==main.TRUE:
-            main.log.report("Point Intents have been installed correctly")
+        if PingResult == main.FALSE:
+            main.log.report(
+                "Point intents have not ben installed correctly. Cleaning up" )
+            # main.cleanup()
+            # main.exit()
+        if PingResult == main.TRUE:
+            main.log.report( "Point Intents have been installed correctly" )
 
-        case9_result = Ping_Result
-        utilities.assert_equals(expect=main.TRUE, actual=case9_result,
-                onpass="Point intents addition and Pingall Test successful",
-                onfail="Point intents addition and Pingall Test NOT successful")
-
-
+        case9Result = PingResult
+        utilities.assert_equals(
+            expect=main.TRUE,
+            actual=case9Result,
+            onpass="Point intents addition and Pingall Test successful",
+            onfail="Point intents addition and Pingall Test NOT successful" )