Django JSON mixin for class based views

jsonmixin.py

# -*- coding: utf-8 -*-

from django import http
from django.core import serializers
from django.utils import simplejson as json

class JSONResponseMixin(object):
    """
    Mixin to send a json response. It serialize the context variable into
    a JSON object which can be sent to the browser or used as a service.
    """
    
    def render_to_response(self, context):
        "Returns a JSON response containing the context as the data."
        return self.get_json_response(self.context_to_json(context))
        
    def get_json_response(self, content, **httpresponse_kwargs):
        "Construct a HttpResponse object with the JSON data."
        return http.HttpResponse(content,
                                 content_type='application/json charset=utf8',
                                 **httpresponse_kwargs)
                                 
    def context_to_json(self, context):
        "Convert the context dictionary into a JSON object"
        
        self.create_field_dict(context)
        #context = serializers.serialize("json", 
                                        #context["object_list"], 
                                        #ensure_ascii=False
                                        #)
        #return context                                
        return json.dumps(context["fields"], indent=2, ensure_ascii=False)
        
        
    def create_field_dict(self, context):
        "Given a context, adds 'fields' list to be encoded."
        fields = list()
        
        for n in context['object_list']:
            d = dict()
            for f in n.get_field_names():
                d[f] = n.get_field_by_name(f).value_to_string(n)
            fields.append(d)
            
        context["fields"] = fields
        return context

This is an old piece of code that was hanging around my sandbox directory. I wrote this to use it with Django 1.3 IIRC.

Sure is deprecated by now.