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copied!<p>I woud avoid subclassing User. Instead, you might want to create a custom authenticator that allows you to check group membership for login capability.</p> <pre><code>""" DummyBackend.py """ from django.contrib.auth.models import User, check_password from django.contrib.auth.backends import RemoteUserBackend from lecture_feedback.daily.models import Student class DummyBackend(RemoteUserBackend): """ Dummy authentication module that takes a username and password. The password must match the username. """ def authenticate(self, username=None, password=None): """ The username passed as ``remote_user`` is considered trusted. This method simply returns the ``User`` object with the given username, creating a new ``User`` object if ``create_unknown_user`` is ``True``. Returns None if ``create_unknown_user`` is ``False`` and a ``User`` object with the given username is not found in the database. """ try: student = Student.objects.get(globalid=username) except Student.DoesNotExist: return None if username != password: return user = None # Note that this could be accomplished in one try-except clause, but # instead we use get_or_create when creating unknown users since it has # built-in safeguards for multiple threads. if self.create_unknown_user: user, created = User.objects.get_or_create(username=username) if created: user = self.configure_user(user) else: try: user = User.objects.get(username=username) except User.DoesNotExist: pass return user def configure_user(self, user): """ Configures a user after creation and returns the updated user. By default, returns the user unmodified. """ student = Student.objects.get(globalid=user.username) user.first_name = student.first_name user.last_name = student.last_name return user </code></pre> <p>The Student model could contain a field that indicates if the student is allowed to log in. Also take a look at <a href="http://docs.djangoproject.com/en/dev/howto/auth-remote-user/#attributes" rel="nofollow noreferrer">http://docs.djangoproject.com/en/dev/howto/auth-remote-user/#attributes</a>. </p>

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