1 from django.contrib.syndication import feeds

     2 from django.http import HttpResponse, Http404

     3 

     4 def feed(request, url, feed_dict=None):

     5     if not feed_dict:

     6         raise Http404, "No feeds are registered."

     7 

     8     try:

     9         slug, param = url.split('/', 1)

    10     except ValueError:

    11         slug, param = url, ''

    12 

    13     try:

    14         f = feed_dict[slug]

    15     except KeyError:

    16         raise Http404, "Slug %r isn't registered." % slug

    17 

    18     try:

    19         feedgen = f(slug, request).get_feed(param)

    20     except feeds.FeedDoesNotExist:

    21         raise Http404, "Invalid feed parameters. Slug %r is valid, but other parameters, or lack thereof, are not." % slug

    22 

    23     response = HttpResponse(mimetype=feedgen.mime_type)

    24     feedgen.write(response, 'utf-8')

    25     return response