Convert dict to js style object in Python 3

dict_to_obj.py

"""
Not actually sure when this would be a good idea,
but had the idea when porting some js/node to python.

Inspired by https://stackoverflow.com/questions/6578986/how-to-convert-json-data-into-a-python-object
"""
import json
from types import SimpleNamespace


class CustomNamespace(SimpleNamespace):
  def __getattr__(self, name):
    return None


data = '{"name": "John Smith", "hometown": {"name": "New York", "id": 123}}'
x = json.loads(data, object_hook=lambda d: CustomNamespace(**d))

print(x.name)
# "John Smith"
print(x.hometown.name)
# "New York"
print(x.hobbies)
# None