A JSON library with an object encoder for python

json_object.py

#!/usr/bin/env python
import json
from datetime import datetime

class ObjectEncoder(json.JSONEncoder):
    def default(self,obj):
        try:
            return json.JSONEncoder.default(self,obj)
        except TypeError:
            pass
        try:
            return obj.jsonable()
        except AttributeError:
            pass
        try:
            # Maybe it's a datetime object
            return obj.isoformat()
        except AttributeError:
            pass
        try:
            return obj.__dict__
        except AttributeError:
            pass
        try:
            return list(obj)
        except TypeError:
            raise TypeError(repr(obj)+" is not JSON serializable")

def dump(*args,**kwargs):
    kwargs['cls']=ObjectEncoder
    return json.dump(*args,**kwargs)

def dumps(*args,**kwargs):
    kwargs['cls']=ObjectEncoder
    return json.dumps(*args,**kwargs)

def load(*args,**kwargs):
    return json.load(*args,**kwargs)

def loads(*args,**kwargs):
    return json.loads(*args,**kwargs)

if __name__=='__main__':
    class TestClass(object):
        def jsonable(self):
            retdict = {'classname':self.__class__.__name__,
                    'what':'To run a test'
                    }

            return retdict

    a = TestClass()
    b = TestClass()
    c = set([1,2,3])
    v = [a,b,{'name':'chris','date':datetime.utcnow()},2.0,c]

    print dumps(v,indent=2)