1#************************************************************** 2# 3# Licensed to the Apache Software Foundation (ASF) under one 4# or more contributor license agreements. See the NOTICE file 5# distributed with this work for additional information 6# regarding copyright ownership. The ASF licenses this file 7# to you under the Apache License, Version 2.0 (the 8# "License"); you may not use this file except in compliance 9# with the License. You may obtain a copy of the License at 10# 11# http://www.apache.org/licenses/LICENSE-2.0 12# 13# Unless required by applicable law or agreed to in writing, 14# software distributed under the License is distributed on an 15# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 16# KIND, either express or implied. See the License for the 17# specific language governing permissions and limitations 18# under the License. 19# 20#************************************************************** 21 22# Pseudo const 23class _const: 24 class ConstError(TypeError): pass 25 def __setattr__(self, name, value): 26 if self.__dict__.has_key(name): 27 raise self.ConstError, "Can't rebind const(%s)"%name 28 self.__dict__[name] = value 29 30import sys 31sys.modules[__name__] = _const() 32 33 34