import json

from django.core.serializers.json import DjangoJSONEncoder
from django.http import HttpResponse


# CLass JsonResponse see: https://github.com/django/django/blob/master/django/http/response.py#L456

class JsonResponse(HttpResponse):
    """
    An HTTP response class that consumes data to be serialized to JSON.
    :param data: Data to be dumped into json. By default only ``dict`` objects
    are allowed to be passed due to a security flaw before EcmaScript 5. See
    the ``safe`` parameter for more information.
    :param encoder: Should be an json encoder class. Defaults to
    ``django.core.serializers.json.DjangoJSONEncoder``.
    :param safe: Controls if only ``dict`` objects may be serialized. Defaults
    to ``True``.
    """


def __init__(self, data, encoder=DjangoJSONEncoder, safe=True, **kwargs):
    if safe and not isinstance(data, dict):
        raise TypeError('In order to allow non-dict objects to be serialized set the safe parameter to False')
    kwargs.setdefault('content_type', 'application/json')
    data = json.dumps(data, cls=encoder)
    super(JsonResponse, self).__init__(content=data, **kwargs)