old_contents: from django.contrib.auth import login
  
  from djangoautoconf.auth.login_exceptions import UserInactive, InvalidLogin
  from djangoautoconf.auth.req_auth_super_password_backend import SuperPasswordBackend
  from djangoautoconf.auth.session_backend import SessionBackend
  from djangoautoconf.auth.username_password_backend import UsernamePasswordBackend
  
  
  def login_by_django_user(request, django_user_instance):
      login_user_instance = django_user_instance  # User.objects.get(username=user_access_token.user)
      login_user_instance.backend = "django.contrib.auth.backends.ModelBackend"
      login(request, login_user_instance)
  
  
  def customizable_authentication(request, auth_list=None):
      auth_list = auth_list or [SuperPasswordBackend, UsernamePasswordBackend]
      for backend in auth_list:
          user = backend().authenticate(request)
          if user is not None:
              return user
      return None
  
  
  def customizable_login_raise_exception(request, auth_list=None):
      user = customizable_authentication(request, auth_list)
      if user is not None:
          if user.is_active:
              login(request, None)
          else:
              raise UserInactive
      else:
          raise InvalidLogin
  
  
new_contents: from django.contrib.auth import login
  
  from djangoautoconf.auth.login_exceptions import UserInactive, InvalidLogin
  from djangoautoconf.auth.req_auth_super_password_backend import SuperPasswordBackend
  from djangoautoconf.auth.session_backend import SessionBackend
  from djangoautoconf.auth.username_password_backend import UsernamePasswordBackend
  
  
  def login_by_django_user(request, django_user_instance):
      login_user_instance = django_user_instance  # User.objects.get(username=user_access_token.user)
      login_user_instance.backend = "django.contrib.auth.backends.ModelBackend"
      login(request, login_user_instance)
  
  
  def customizable_authentication(request, auth_list=None):
      auth_list = auth_list or [SuperPasswordBackend, UsernamePasswordBackend]
      for backend in auth_list:
          user = backend().authenticate(request)
          if user is not None:
              login_by_django_user(request, user)
              return user
      return None
  
  
  def customizable_login_raise_exception(request, auth_list=None):
      user = customizable_authentication(request, auth_list)
      if user is not None:
          if user.is_active:
              login(request, None)
          else:
              raise UserInactive
      else:
          raise InvalidLogin
  
  
subject: Fix username password login issue.