Use the new optional argument to endRequest in the middleware
Currently endRequest is called twice on an exception if Django
intercepts the exception and returns it's own result. By setting
optional=True we do not crash on 'assert self.in_request'.
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