#!/usr/bin/env python
# -*- coding: utf-8 -*-
#
# Copyright 2012 Ethan Zhang<http://github.com/Ethan-Zhang> 
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.


from tornado.options import define, options
import tornadoasyncmemcache

define("db_addr_list", type=list, default=['192.168.0.176:19803'])

class MemcachedClient(object):
    @staticmethod
    def instance():
        if not hasattr(MemcachedClient, "_instance"):
            MemcachedClient._instance = \
                tornadoasyncmemcache.ClientPool(options.db_addr_list, 
                                                maxclients=100)
        return MemcachedClient._instance

def get(key, callback):
    MemcachedClient.instance().get(key, callback=callback)

@@ -830,39 +830,23 @@
     
-@staticmethod%0A    def instance(
+def __new__(cls
 ):%0A 
@@ -871,26 +871,14 @@
 ttr(
-MemcachedClient, %22
+cls, '
 _ins
@@ -882,17 +882,17 @@
 instance
-%22
+'
 ):%0A     
@@ -898,31 +898,19 @@
         
-MemcachedClient
+cls
 ._instan
@@ -985,17 +985,16 @@
 dr_list,
- 
 %0A       
@@ -1065,31 +1065,19 @@
  return 
-MemcachedClient
+cls
 ._instan
@@ -1083,16 +1083,25 @@
 nce%0A
-%0A
 def get
+_memcached
 (key

Modify db client to __new__