#NEWLINE# def prextend( self , var , values , create = False ) : #NEWLINE# #INDENT# 'Prepend a list of values in front of self[var].' #NEWLINE# if create : #NEWLINE# #INDENT# cur = self . get ( var , [ ] ) #NEWLINE# #UNINDENT# else : #NEWLINE# #INDENT# cur = self [ var ] #NEWLINE# #UNINDENT# self [ var ] = ( values + cur )