#NEWLINE# def _get_argname_value( self , argname ) : #NEWLINE# #INDENT# '\n        Return the argname value looking up on all possible attributes\n        ' #NEWLINE# argvalue = getattr ( self , '__get_{0}__' . format ( self ) , None ) #NEWLINE# if ( ( argvalue is not None ) and callable ( argvalue ) ) : #NEWLINE# #INDENT# argvalue = argvalue ( ) #NEWLINE# #UNINDENT# if ( argvalue is None ) : #NEWLINE# #INDENT# argvalue = getattr ( self , argname , None ) #NEWLINE# #UNINDENT# if ( argvalue is None ) : #NEWLINE# #INDENT# argvalue = getattr ( self , '__{0}__' . format ( argname ) , None ) #NEWLINE# #UNINDENT# if ( argvalue is None ) : #NEWLINE# #INDENT# argvalue = self . extra . get ( argname , None ) #NEWLINE# #UNINDENT# return argvalue