A decorator to serialize objects. Apply the decorator to the class.

jsonify.py

# coding=utf-8
import json

__author__ = 'Jonas Gröger <jonas.groeger@gmail.com>'


def jsonify(cls):
    def to_json(obj, **kargs):
        return json.dumps(obj, default=lambda o: o.__dict__, **kargs)

    cls.to_json = to_json
    return cls


@jsonify
class Item(object):
    def __init__(self, ident, age, name, water):
        self.ident = ident
        self.age = age
        self.name = name
        self.water = water


if __name__ == '__main__':
    item = Item(0, 30, 'John', True)
    print(item.to_json())