Get the Error Message from Request in Django

Question

I attempted to raise a 403 error if the user accesses a page he is not allowed to access. In my views.py

def staff_room(request):
  user = request.user
  role = School.objects.get(user=user)
  if not role.is_teacher:
    raise PermissionDenied("Get out of the staff room!")
def library(request):
  user = request.user
  role = School.objects.get(user=user)
  if not role.is_librarian:
    raise PermissionDenied("Get out of the library!")

In my 403.html, I want to retrieve the different messages thrown by the errors. Is there a way to do so? Something like {{ exception.message }} like say

{% extends 'base.html' %}
You are not allowed to enter this room. {{ exception.message}}

arogachev · Accepted Answer · 2016-09-08 09:16:31Z

3

Django documentations tells us that for 403 errors it passes exception in the context like this

return http.HttpResponseForbidden(
    template.render(request=request, context={'exception': force_text(exception)})
)

So it seems that you should be able to just use {{ exception }} to access the exception's message. Otherwise you can override default 403 view and pass exception's message (or even format it) manually.

edited Sep 8, 2016 at 9:16

arogachev

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answered Oct 11, 2015 at 15:18

Nick

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