Allows a dictionary to act as an object and be serializable to JSON. Used for making JSON object behave like python objects.

metajson.py

import json 

class MetaJson(dict):
    """
    Allows a dictionary to act as an object and be serializable to JSON.  Used
    for making JSON object behave like python objects.
    """
    def __init__(self, d = dict()): 
       dict.__init__(self,
        {k: MetaJson(v) if isinstance(v, dict) else v for (k, v) in d.items()}
        )
    
    def __getattr__(self, key):
        return dict.__getitem__(self, key)

    def __setattr__(self, key, val):
        if isinstance(val, dict):
            val = MetaJson(val)

        dict.__setattr__(self, key, val) 
    
    def __str__(self):
        return json.dumps(self.serialize())

    def serialize(self):
        ret = {}

        for k in self.__dict__.keys():
            if isinstance(ret, MetaJson):
                ret[k] = self.__dict__[k].serialize()
            else:
                ret[k] = self.__dict__[k]
        
        return ret