app/django/contrib/auth/middleware.py
author Daniel Bentley <dbentley@google.com>
Sun, 12 Apr 2009 06:21:15 +0000
changeset 2166 c9c7c6111988
parent 54 03e267d67478
permissions -rw-r--r--
Last step of refactoring before adding support for > 1000 entities. Make helper functions. One extracts list parameters. One creates links more simply. This is cleaning up the large function body so I can move stuff around more radically. Patch by: Dan Bentley

class LazyUser(object):
    def __get__(self, request, obj_type=None):
        if not hasattr(request, '_cached_user'):
            from django.contrib.auth import get_user
            request._cached_user = get_user(request)
        return request._cached_user

class AuthenticationMiddleware(object):
    def process_request(self, request):
        assert hasattr(request, 'session'), "The Django authentication middleware requires session middleware to be installed. Edit your MIDDLEWARE_CLASSES setting to insert 'django.contrib.sessions.middleware.SessionMiddleware'."
        request.__class__.user = LazyUser()
        return None