+
−from django.contrib.syndication import feeds
+
−from django.http import HttpResponse, Http404
+
−
+
−def feed(request, url, feed_dict=None):
+
−    if not feed_dict:
+
−        raise Http404, "No feeds are registered."
+
−
+
−    try:
+
−        slug, param = url.split('/', 1)
+
−    except ValueError:
+
−        slug, param = url, ''
+
−
+
−    try:
+
−        f = feed_dict[slug]
+
−    except KeyError:
+
−        raise Http404, "Slug %r isn't registered." % slug
+
−
+
−    try:
+
−        feedgen = f(slug, request).get_feed(param)
+
−    except feeds.FeedDoesNotExist:
+
−        raise Http404, "Invalid feed parameters. Slug %r is valid, but other parameters, or lack thereof, are not." % slug
+
−
+
−    response = HttpResponse(mimetype=feedgen.mime_type)
+
−    feedgen.write(response, 'utf-8')
+
−    return response