python 字典转对象

#coding=utf-8
'''
Created on 2016-5-8

@author: 杨同峰
'''
import time

class DictObj(object):
def __init__(self,map):
self.map = map

def __setattr__(self, name, value):
if name == 'map':
object.__setattr__(self, name, value)
return;
print 'set attr called ',name,value
self.map[name] = value

def __getattr__(self,name):
v = self.map[name]
if isinstance(v,(dict)):
return DictObj(v)
if isinstance(v, (list)):
r = []
for i in v:
r.append(DictObj(i))
return r
else:
return self.map[name];

def __getitem__(self,name):
return self.map[name]

if __name__ == '__main__':
m = {'haha':{'a':55},'bb':[{'c':32,'d':45},{'c':22,'d':56}]}
book = DictObj(m);
print book.bb[0].c