<s> import math <EOL> from os import environ <EOL> from twisted . internet . defer import inlineCallbacks <EOL> from autobahn import wamp <EOL> from autobahn . wamp . exception import ApplicationError <EOL> from autobahn . twisted . wamp import ApplicationSession , ApplicationRunner <EOL> @ wamp . error ( u"<STR_LIT>" ) <EOL> class AppError1 ( Exception ) : <EOL> """<STR_LIT>""" <EOL> class Component ( ApplicationSession ) : <EOL> """<STR_LIT>""" <EOL> @ inlineCallbacks <EOL> def onJoin ( self , details ) : <EOL> print ( "<STR_LIT>" ) <EOL> def sqrt ( x ) : <EOL> if x == <NUM_LIT:0> : <EOL> raise Exception ( "<STR_LIT>" ) <EOL> else : <EOL> return math . sqrt ( x ) <EOL> yield self . register ( sqrt , u'<STR_LIT>' ) <EOL> def checkname ( name ) : <EOL> if name in [ '<STR_LIT:foo>' , '<STR_LIT:bar>' ] : <EOL> raise ApplicationError ( u"<STR_LIT>" ) <EOL> if name . lower ( ) != name . upper ( ) : <EOL> raise ApplicationError ( u"<STR_LIT>" , name . lower ( ) , name . upper ( ) ) <EOL> if len ( name ) < <NUM_LIT:3> or len ( name ) > <NUM_LIT:10> : <EOL> raise ApplicationError ( u"<STR_LIT>" , min = <NUM_LIT:3> , max = <NUM_LIT:10> ) <EOL> yield self . register ( checkname , u'<STR_LIT>' ) <EOL> self . define ( AppError1 ) <EOL> def compare ( a , b ) : <EOL> if a < b : <EOL> raise AppError1 ( b - a ) <EOL> yield self . register ( compare , u'<STR_LIT>' ) <EOL> print ( "<STR_LIT>" ) <EOL> if __name__ == '<STR_LIT:__main__>' : <EOL> runner = ApplicationRunner ( <EOL> environ . get ( "<STR_LIT>" , u"<STR_LIT>" ) , <EOL> u"<STR_LIT>" , <EOL> ) <EOL> runner . run ( Component ) </s>
