#NEWLINE# def _register_drivers( self ) : #NEWLINE# #INDENT# 'Register all service chain node drivers.' #NEWLINE# for ext in self : #NEWLINE# #INDENT# self . drivers [ ext . name ] = ext #NEWLINE# self . ordered_drivers . append ( ext ) #NEWLINE# #UNINDENT# LOG . info ( _LI ( 'Registered service chain node drivers: %s' ) , [ self . name for driver in self . ordered_drivers ] )