#!/usr/bin/env python
# -*- coding: utf-8 -*-
from copy import copy
class FlexibleObject(object):
    """Dictionary with getters and setters"""
    def __init__(self, data=None):
        if data is None:
            data = {}
        self._dict = data

    def __getattr__(self, key):
        val = self._dict.get(key, None)
        if isinstance(val, dict):
            return FlexibleObject(val)
        if not val:
            self._dict[key] = {}
            return FlexibleObject(self._dict[key])
        return val

    def update(self, data):
        self._dict.update(data)

    def __setattr__(self, key, value):
        if key == '_dict':
            self.__dict__[key] = value
        else:
            self.__dict__['_dict'][key] = value

    def __add__(self, other):
        if not isinstance(other, FlexibleObject):
            raise
        _new = copy(self._dict)
        _new.update(other.dict)
        return FlexibleObject(_new)

    def __contains__(self, item):
        return item in self._dict

    def keys(self):
        return self._dict.keys()

    @property
    def dict(self):
        return self._dict

    def __repr__(self):
        return str(self._dict)


a = FlexibleObject()
b = FlexibleObject()
a.b.c.d.e.f.g.h.i.j.k = "a"
b.c.d.e.f.g.h.i.j.k = "b"
c = a + b
print(a)
print(b)
print(c)