illagrenan / django-numpy-json-encoder

Django JSON encoder with numpy support

Django numpy JSON encoder

Introduction

Subclass of standard Django JSON encoder¹ that can encode some numpy types (integers, floats and arrays).

Installation

• Supported Python versions are: 3.6, 3.7 and 3.7-dev.
• Supported Django versions are: 2.0 and 2.1 (version 1.11 should also work).

pip install --upgrade django-numpy-json-encoder

Usage

# -*- encoding: utf-8 -*-
# ! python3

import numpy as np
from django.http import JsonResponse
from django.views import View

from django_numpy_json_encoder.numpy_encoder import NumpyJSONEncoder


class ExampleNumpyArrayJSONView(View):
    # noinspection PyMethodMayBeStatic
    def post(self, *args, **kwargs):
        numpy_array = np.random.rand(8, 42).astype(np.float32)

        return JsonResponse(data={'array': numpy_array},
                            encoder=NumpyJSONEncoder,
                            safe=True)

License

The MIT License (MIT)

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1. https://docs.djangoproject.com/en/dev/topics/serialization/#djangojsonencoder↩