feeds = {
    'news': RSSLatestNews,
    'blog/news': RSSLatestBlogNews,
}
(r'feeds/(?<url>.*)/$', 'django.contrib.syndication.views.feed', {'feed_dict': feeds,})

from django.contrib.syndication.feeds import FeedDoesNotExist

class BeatFeed(Feed):
    def get_object(self, bits):
        # In case of "/rss/beats/0613/foo/bar/baz/", or other such clutter,
        # check that bits has only one member.
        if len(bits) != 1:
            raise ObjectDoesNotExist
        return Beat.objects.get(beat__exact=bits[0])

    def title(self, obj):
        return "Chicagocrime.org: Crimes for beat %s" % obj.beat

    def link(self, obj):
        if not obj:
            raise FeedDoesNotExist
        return obj.get_absolute_url()

    def description(self, obj):
        return "Crimes recently reported in police beat %s" % obj.beat

    def items(self, obj):
       return Crime.objects.filter(beat__id__exact=obj.id).order_by('-crime_date')[:30]