#34032: Base authentication Backend should raise NotImplemented on needed 
methods
-------------------------------------+-------------------------------------
     Reporter:  Dre Westcook         |                    Owner:
                                     |  piyushdivyankar1994
         Type:  Uncategorized        |                   Status:  assigned
    Component:  contrib.auth         |                  Version:  4.0
     Severity:  Normal               |               Resolution:
     Keywords:  authentication       |             Triage Stage:
                                     |  Unreviewed
    Has patch:  0                    |      Needs documentation:  0
  Needs tests:  0                    |  Patch needs improvement:  0
Easy pickings:  1                    |                    UI/UX:  0
-------------------------------------+-------------------------------------

Comment (by piyushdivyankar1994):

 I have made the following changes

 {{{
 diff --git a/django/contrib/auth/backends.py
 b/django/contrib/auth/backends.py
 index 4adcf35051..b73d1f9f57 100644
 --- a/django/contrib/auth/backends.py
 +++ b/django/contrib/auth/backends.py
 @@ -11,10 +11,12 @@ UserModel = get_user_model()

  class BaseBackend:
      def authenticate(self, request, **kwargs):
 -        return None
 +        raise NotImplementedError(
 +            "This .authenticate(self, request, **kwargs) must be
 implemented."
 +        )

      def get_user(self, user_id):
 -        return None
 +        raise NotImplementedError("This .get_user(self, ...) must be
 implemented.")

      def get_user_permissions(self, user_obj, obj=None):
          return set()
 }}}

 I am unsure if this is what is required.

-- 
Ticket URL: <https://code.djangoproject.com/ticket/34032#comment:3>
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