views.py

   1 from django.conf import settings
   2 from django.core.urlresolvers import resolve
   3 from django.http import Http404, HttpResponseRedirect
   4 from django.views.decorators.vary import vary_on_headers
   5 from philo.exceptions import MIDDLEWARE_NOT_CONFIGURED
   6
   7
   8 @vary_on_headers('Accept')
   9 def node_view(request, path=None, **kwargs):
  10         if "philo.middleware.RequestNodeMiddleware" not in settings.MIDDLEWARE_CLASSES:
  11                 raise MIDDLEWARE_NOT_CONFIGURED
  12
  13         if not request.node:
  14                 raise Http404
  15
  16         node = request.node
  17         subpath = request.node.subpath
  18
  19         if not node.handles_subpath(subpath):
  20                 # If the subpath isn't handled, check settings.APPEND_SLASH. If
  21                 # it's True, try to correct the subpath.
  22                 if not settings.APPEND_SLASH:
  23                         raise Http404
  24
  25                 if subpath[-1] == "/":
  26                         subpath = subpath[:-1]
  27                 else:
  28                         subpath += "/"
  29
  30                 redirect_url = node.construct_url(subpath)
  31
  32                 if node.handles_subpath(subpath):
  33                         return HttpResponseRedirect(redirect_url)
  34
  35                 # Perhaps there is a non-philo view at this address. Can we
  36                 # resolve *something* there besides node_view? If not,
  37                 # raise a 404.
  38                 view, args, kwargs = resolve(redirect_url)
  39
  40                 if view == node_view:
  41                         raise Http404
  42                 else:
  43                         return HttpResponseRedirect(redirect_url)
  44
  45         return node.render_to_response(request, kwargs)