How to convert JSON data into a Python object

0 votes

I want to use Python to convert JSON data into a Python object.

I receive JSON data objects from the Facebook API, which I want to store in my database.

My current View in Django (Python) (request.POST contains the JSON):

response = request.POST
user = FbApiUser(user_id = response['id'])
user.name = response['name']
user.username = response['username']
user.save()

This works fine, but how do I handle complex JSON data objects?

Wouldn't it be much better if I could somehow convert this JSON object into a Python object for easy use?

Aug 3, 2020 in Python by kartik
• 37,530 points
817 views

1 answer to this question.

0 votes

Hello @kartik,

You can do it in one line, using namedtuple and object_hook:

import json
from collections import namedtuple

data = '{"name": "John Smith", "hometown": {"name": "New York", "id": 123}}'

# Parse JSON into an object with attributes corresponding to dict keys.
x = json.loads(data, object_hook=lambda d: namedtuple('X', d.keys())(*d.values()))
print x.name, x.hometown.name, x.hometown.id

or, to reuse this easily:

def _json_object_hook(d): return namedtuple('X', d.keys())(*d.values())
def json2obj(data): return json.loads(data, object_hook=_json_object_hook)

x = json2obj(data)

Hope this helps!!
Thank You!

answered Aug 3, 2020 by Niroj
• 82,820 points

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