django-articles/src/articles/middleware.py

from django.http import Http404
from django.conf import settings

from articles.views import showarticle

__author__ = 'marcos'

class ArticlesMiddleware:
    def process_response(self, request, response):
        if response.status_code != 404:
            return response
        try:
            return showarticle(request, request.path_info)
        except Http404:
            return response
        except Exception:
            if settings.DEBUG:
                raise
            return response