Source code for rules_light.middleware

The role of the middleware is to present a user friendly error page when a rule
denied process of the request by raising ``Denied``.
from __future__ import unicode_literals

from django import template
from django import http
from django.conf import settings

from .exceptions import RulesLightException, Denied, DoesNotExist

[docs]class Middleware(object): """ Install this middleware by adding `rules_light.middleware.Middleware`` to ``settings.MIDDLEWARE_CLASSES``. """
[docs] def process_exception(self, request, exception): """ Render ``rules_light/exception.html`` when a ``Denied`` exception was raised. """ if not isinstance(exception, RulesLightException): return ctx = template.RequestContext(request, dict(exception=exception, settings=settings)) return http.HttpResponseForbidden(template.loader.render_to_string( 'rules_light/exception.html', ctx))