Assign JSON field to model variable in django

Question

I am having my json like:

{
   "name": "Rahul",
   "2or4": 2,

}

Here,

How can I assign my model variable : twoOrFour to jason field value "2or4" as we can not have variable start with integer.

I am new to django. I am using dJango-rest-framework for this api.

Why not, simply, rename the JSON field 2or4 to twoOrFour? — xyres
– xyres, Commented May 31, 2015 at 10:18
actually that is not in my hand :(. Do I have any other option apart from it? — drs
– drs, Commented May 31, 2015 at 10:21
If you are writing backend for an API call, its better to change the API call to return "2or4" as an alias to "twoOrFour". I think you should leave the model alone — Ramast
– Ramast, Commented May 31, 2015 at 10:58
@Ramast: I am writing backend for API call. Can you please tell me how can I have a alias. — drs
– drs, Commented May 31, 2015 at 11:51
I've placed my answer below, let me know if its not clear enough — Ramast
– Ramast, Commented May 31, 2015 at 15:49

Ramast · Accepted Answer · 2015-05-31 15:46:03Z

1

If you are using djangorestframework you will need to override to_representation function in your serializer

http://www.django-rest-framework.org/api-guide/serializers/#overriding-serialization-and-deserialization-behavior

should be something like this

def to_representation(self, obj)
    serialized_data = super(SerializerClassName, self).to_representation(obj)
    serialized_data["2or4"] = serialized_data["twoOrFour"]
    //Remove the old field name
    del serialized_data["twoOrFour"]
    return serialized_data

This code should work where SerializerClassName is the class name of your serializer

answered May 31, 2015 at 15:46

Ramast

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xyres · Accepted Answer · 2015-05-31 10:44:09Z

0

You can try adding twoOrFour to your JSON object. For example:

import json

data = {'name': 'Rahul', '2or4': 2}

data = json.loads(data) # convert to Python dict
data['twoOrFour'] = data['2or4'] # append twoOrFour
data = json.dumps(data) # convert back to JSON object

Now the JSON object has twoOrFour field. Hope it works.

answered May 31, 2015 at 10:44

xyres

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