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# -*- coding: utf-8 -*-
import json
from django.core.serializers.json import DjangoJSONEncoder
from django.http import HttpResponse
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``.
:param json_dumps_params: A dictionary of kwargs passed to json.dumps().
"""
def __init__(self, data, encoder=DjangoJSONEncoder, safe=True,
json_dumps_params=None, **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')
if json_dumps_params is None:
json_dumps_params = {}
kwargs.setdefault('content_type', 'application/json')
data = json.dumps(data, cls=encoder, **json_dumps_params)
super(JsonResponse, self).__init__(content=data, **kwargs)