gistfile1.py

    def register(self, request, **kwargs):
        """
        Create and immediately log in a new user.
        
        """
        username, email, password, first_name, last_name = kwargs['username'], kwargs['email'], \
            kwargs['password1'], kwargs['first_name'], kwargs['last_name']
        
        create_user = User.objects.create_user(username, email, password)
        create_user.first_name = first_name
        create_user.last_name = last_name
        create_user.save()
        
        # authenticate() always has to be called before login(), and
        # will return the user we just created.
        new_user = authenticate(username=username, password=password)
        login(request, new_user)
        signals.user_registered.send(sender=self.__class__,
                                     user=new_user,
                                     request=request)
        return new_user