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#!/usr/bin/env python

# -*- encoding: utf-8 -*-

"""

Topic: json序列化对象

Desc :

"""

import json

def get_instance(cls_str, model_str='model.beans'):

mod = __import__(model_str, fromlist=1)

return getattr(mod, cls_str)()

def dict2obj(d, cls_str, model_str='model.beans'):

# if not isinstance(d,dict):return d

obj = get_instance(cls_str, model_str)

for k, v in d.items():

if hasattr(obj, k): setattr(obj, k, v)

return obj

def json2obj(json_str):

def hook(dic):

flag = False

if type(dic) not in [list, tuple, dict]: return dic

if isinstance(dic, dict) and 'cls_name' in dic:

flag = True

for k, v in dic.items():

dic[k] = hook(v)

if flag:

pth = dic['cls_name'].split('.')

cls_str = pth[-1]

model_str = '.'.join(pth[:-1])

return dict2obj(dic, cls_str, model_str)

elif isinstance(dic, dict): # dict

for k, v in dic.items():

dic[k] = hook(v)

return dic

else: # list

for i, elm in enumerate(dic):

dic[i] = hook(elm)

return dic

return json.loads(json_str, object_hook=hook)

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