#NEWLINE# def ListChildren( self , urn ) : #NEWLINE# #INDENT# 'Lists children of a given urn. Resulting list is cached.' #NEWLINE# result = self . MultiListChildren ( [ urn ] ) #NEWLINE# try : #NEWLINE# #INDENT# return result [ urn ] #NEWLINE# #UNINDENT# except KeyError : #NEWLINE# #INDENT# return [ ]