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More pylint fixes...

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This commit is contained in:
Bob Lantz
2014-12-04 02:57:36 -08:00
parent 18aab5b786
commit 4965421215
4 changed files with 41 additions and 29 deletions
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@@ -25,7 +25,8 @@ from mininet.cli import CLI
from mininet.log import lg, LEVELS, info, debug, warn, error
from mininet.net import Mininet, MininetWithControlNet, VERSION
from mininet.node import ( Host, CPULimitedHost, Controller, OVSController,
RYU, NOX, RemoteController, findController, DefaultController,
RYU, NOX, RemoteController, findController,
DefaultController,
UserSwitch, OVSSwitch, OVSBridge,
OVSLegacyKernelSwitch, IVSSwitch )
from mininet.nodelib import LinuxBridge
@@ -132,7 +133,7 @@ class MininetRunner( object ):
self.setup()
self.begin()
def custom( self, option, opt_str, value, parser ):
def custom( self, _option, _opt_str, value, _parser ):
"""Parse custom file and add params.
option: option e.g. --custom
opt_str: option string e.g. --custom
@@ -168,9 +169,12 @@ class MininetRunner( object ):
# Add or modify global variable or class
globals()[ name ] = value
def setNat( self, option, opt_str, value, parser ):
def setNat( self, _option, opt_str, value, parser ):
"Set NAT option(s)"
assert self # satisfy pylint
parser.values.nat = True
if parser.rargs and parser.rargs[ 0 ][ 0 ] != '-': #first arg, first char != '-'
# first arg, first char != '-'
if parser.rargs and parser.rargs[ 0 ][ 0 ] != '-':
value = parser.rargs.pop( 0 )
_, args, kwargs = splitArgs( opt_str + ',' + value )
parser.values.nat_args = args
@@ -201,7 +205,8 @@ class MininetRunner( object ):
default=False, help='clean and exit' )
opts.add_option( '--custom', action='callback',
callback=self.custom,
type='string', help='read custom classes or params from .py file(s)' )
type='string',
help='read custom classes or params from .py file(s)' )
opts.add_option( '--test', type='choice', choices=TESTS,
default=TESTS[ 0 ],
help='|'.join( TESTS ) )
@@ -231,10 +236,12 @@ class MininetRunner( object ):
default=False, help="pin hosts to CPU cores "
"(requires --host cfs or --host rt)" )
opts.add_option( '--nat', action='callback', callback=self.setNat,
help="adds a NAT to the topology that connects Mininet hosts"
" to the physical network."
" Warning: This may route any traffic on the machine that uses Mininet's"
" IP subnet into the Mininet network. If you need to change"
help="adds a NAT to the topology that"
" connects Mininet hosts to the physical network."
" Warning: This may route any traffic on the machine"
" that uses Mininet's"
" IP subnet into the Mininet network."
" If you need to change"
" Mininet's IP subnet, see the --ipbase option." )
opts.add_option( '--version', action='callback', callback=version,
help='prints the version and exits' )
@@ -265,6 +272,9 @@ class MininetRunner( object ):
% self.options.verbosity )
lg.setLogLevel( self.options.verbosity )
# Maybe we'll reorganize this someday...
# pylint: disable=too-many-branches,too-many-statements
def begin( self ):
"Create and run mininet."
@@ -279,15 +289,16 @@ class MininetRunner( object ):
CONTROLLERS[ 'default' ] = findController()
if CONTROLLERS[ 'default' ] is None:
if self.options.switch == 'default':
# Fall back to OVS Bridge, which does not use an OF controller
info( '*** No default OpenFlow controller found for default switch!\n' )
info( '*** No default OpenFlow controller found '
'for default switch!\n' )
info( '*** Falling back to OVS Bridge\n' )
self.options.switch = 'ovsbr'
self.options.controller = 'none'
elif self.options.switch in ( 'ovsbr', 'lxbr' ):
self.options.controller = 'none'
else:
raise Exception( "Could not find a default controller for switch %s" %
raise Exception( "Could not find a default controller "
"for switch %s" %
self.options.switch )
topo = buildTopo( TOPOS, self.options.topo )