Django 1.8 add Access-Control-Allow-Origin headers to response before sending

django-view.py

import json

from django.http import HttpResponse
from django.shortcuts import render

def _acao_response(response):
        response['Access-Control-Allow-Origin'] = '*'
        response['Access-Control-Allow-Methods'] = 'GET'

def home_view(request):
        r = { 'response': 'OK', 'data': None }
        response = HttpResponse(json.dumps(r), content_type = "application/json")
        _acao_response(response)
        return response

def ping(request):
        r = { 'response': 'OK', 'data': 'ping' }
        response = HttpResponse("['ok']", content_type="application/json")
        _acao_response(response)
        return response

def echo(request):
        if request.method == 'GET':
                data = request.GET
        elif request.method == 'POST':
                data = request.POST
        else:
                data = 'Unknown data for method' %(request.method)

        r = { 'response': 'OK', 'method': request.method, 'data': request.GET }

        response = HttpResponse(json.dumps(r), content_type = "application/json")
        _acao_response(response)
        return response