Remove trailing whitespace. ;-/

mininet/clean.py

@@ -92,5 +92,5 @@ def cleanup():
     killprocs( 'Tunnel=Ethernet' )
     killprocs( '.ssh/mn')
     sh( 'rm -f ~/.ssh/mn/*' )
-    
+
     info( "*** Cleanup complete.\n" )

mininet/link.py

@@ -43,7 +43,7 @@ class Intf( object ):
         self.link = link
         self.mac = mac
         self.ip, self.prefixLen = None, None
-        
+
         # if interface is lo, we know the ip is 127.0.0.1.
         # This saves an ifconfig command per node
         if self.name == 'lo':

mininet/node.py

@@ -692,7 +692,7 @@ class CPULimitedHost( Host ):
         retry( retries=3, delaySecs=1, fn=self.cgroupDel )
 
     _rtGroupSched = False   # internal class var: Is CONFIG_RT_GROUP_SCHED set?
-    
+
     @classmethod
     def checkRtGroupSched( cls ):
         "Check (Ubuntu,Debian) kernel config for CONFIG_RT_GROUP_SCHED for RT"
@@ -749,7 +749,7 @@ class CPULimitedHost( Host ):
         """Set overall CPU fraction for this host
            f: CPU bandwidth limit (positive fraction, or -1 for cfs unlimited)
            sched: 'rt' or 'cfs'
-           Note 'cfs' requires CONFIG_CFS_BANDWIDTH, 
+           Note 'cfs' requires CONFIG_CFS_BANDWIDTH,
            and 'rt' requires CONFIG_RT_GROUP_SCHED"""
         if not sched:
             sched = self.sched
@@ -1199,11 +1199,11 @@ OVSKernelSwitch = OVSSwitch
 
 class OVSBridge( OVSSwitch ):
     "OVSBridge is an OVSSwitch in standalone/bridge mode"
-    
+
     def __init__( self, args, **kwargs ):
         kwargs.update( failMode='standalone' )
         OVSSwitch.__init__( self, args, **kwargs )
-    
+
     def start( self, controllers ):
         OVSSwitch.start( self, controllers=[] )
 

mininet/nodelib.py

@@ -32,7 +32,7 @@ class LinuxBridge( Switch ):
             return 'forwarding' in self.cmd( 'brctl showstp', self )
         else:
             return True
-    
+
     def start( self, controllers ):
         "Start Linux bridge"
         self.cmd( 'ifconfig', self, 'down' )

mininet/test/test_hifi.py

@@ -181,7 +181,7 @@ class testOptionsTopoCommon( object ):
 
         for rttval in [rttmin, rttavg, rttmax]:
             # Multiply delay by 4 to cover there & back on two links
-            self.assertWithinTolerance( rttval, DELAY_MS * 4.0, 
+            self.assertWithinTolerance( rttval, DELAY_MS * 4.0,
                                         DELAY_TOLERANCE, msg )
 
 

mininet/test/test_switchdpidassignment.py

@@ -27,14 +27,14 @@ class testSwitchDpidAssignmentCommon ( object ):
         self.assertEqual( switch.defaultDpid(), switch.dpid )
 
     def testActualDpidAssignment( self ):
-        """Verify that Switch dpid is the actual dpid assigned if dpid is 
+        """Verify that Switch dpid is the actual dpid assigned if dpid is
         passed in switch creation."""
         switch = Mininet( Topo(), self.switchClass, Host, Controller ).addSwitch( 'A', dpid = '000000000000ABCD' )
         self.assertEqual( switch.dpid, '000000000000ABCD' )
 
     def testDefaultDpidAssignmentFailure( self ):
-        """Verify that Default dpid assignment raises an Exception if the 
-        name of the switch does not contin a digit. Also verify the 
+        """Verify that Default dpid assignment raises an Exception if the
+        name of the switch does not contin a digit. Also verify the
         exception message."""
         with self.assertRaises( Exception ) as raises_cm:
             Mininet( Topo(), self.switchClass, Host, Controller ).addSwitch( 'A' )
@@ -58,7 +58,7 @@ class testSwitchDpidAssignmentCommon ( object ):
         except TypeError:
             # Switch is OVS User Switch
             self.assertEqual( switch.dpid, '0' * (16 - len(dpid)) + str(dpid) )
-            
+
 
 class testSwitchOVSKernel( testSwitchDpidAssignmentCommon, unittest.TestCase ):
     """Test dpid assignnment of OVS Kernel Switch."""
@@ -67,12 +67,12 @@ class testSwitchOVSKernel( testSwitchDpidAssignmentCommon, unittest.TestCase ):
 class testSwitchOVSUser( testSwitchDpidAssignmentCommon, unittest.TestCase ):
     """Test dpid assignnment of OVS User Switch."""
     switchClass = partial(OVSSwitch, datapath = 'user')
-    
+
 @unittest.skipUnless( quietRun( 'which ovs-openflowd' ), 'OVS Legacy Kernel switch is not installed' )
 class testSwitchOVSLegacyKernel( testSwitchDpidAssignmentCommon, unittest.TestCase ):
     """Test dpid assignnment of OVS Legacy Kernel Switch."""
     switchClass = OVSLegacyKernelSwitch
-    
+
 @unittest.skipUnless( quietRun( 'which ivs-ctl' ), 'IVS switch is not installed' )
 class testSwitchIVS( testSwitchDpidAssignmentCommon, unittest.TestCase ):
     """Test dpid assignment of IVS switch."""

mininet/topo.py

@@ -101,7 +101,7 @@ class Topo( object ):
     "Data center network representation for structured multi-trees."
 
     def __init__( self, *args, **params ):
-        """Topo object. 
+        """Topo object.
            Optional named parameters:
            hinfo: default host options
            sopts: default switch options
@@ -256,7 +256,7 @@ class Topo( object ):
         if key is None:
             key = min( entry )
         return entry, key
-    
+
     def linkInfo( self, src, dst, key=None ):
         "Return link metadata dict"
         entry, key = self._linkEntry( src, dst, key )

mininet/topolib.py

@@ -41,7 +41,7 @@ class TorusTopo( Topo ):
        with the default controller or any Ethernet bridge
        without STP turned on! It can be used with STP, e.g.:
        # mn --topo torus,3,3 --switch lxbr,stp=1 --test pingall"""
-    
+
     def build( self, x, y ):
         if x < 3 or y < 3:
             raise Exception( 'Please use 3x3 or greater for compatibility '
@@ -65,5 +65,5 @@ class TorusTopo( Topo ):
                 self.addLink( sw1, sw2 )
                 self.addLink( sw1, sw3 )
 
-    
+