Django snippets

from django.utils.feedgenerator import SyndicationFeed
from django.core.serializers.json import DjangoJSONEncoder
import json


class JSONFeed(SyndicationFeed):
    mime_type = "application/json"

    def write(self, outfile, encoding):
        data={}
        data.update(self.feed)
        data['items'] = self.items
        json.dump(data, outfile, cls=DjangoJSONEncoder)
        # outfile is a HttpResponse
        if isinstance(outfile, HttpResponse):
            outfile['Access-Control-Allow-Origin'] = '*'


class MyJSONFeed(MyPlainFeed):
    feed_type = JSONFeed