Data attribute (aka instant variable) added to the current logged-in user through user_logged_in signal cannot be retrieve later.

I am using out of the box django 1.5 authentication solution. After user is logged in, i use build-in user_logged_in signal from django.contrib.auth.signals to add a piece of information to the logged in user as follow:

from django.contrib.auth.signals import user_logged_in

from django.dispatch import receiver

@receiver(user_logged_in)    

def add_extra_info_to_logged_in_user(sender,user,request,**kwargs):

    user.extra_info = 'extra info'

    print user.extra_info # I confirmed that the assignment is executed

However, i can not retrieve user.extra_info from request object as follow:

from braces.views import LoginRequiredMixin

from django.views.generic import ListView

class MyListView(LoginRequiredMixin,ListView):

    def get_queryset(self):

        self.request.user.extra_info #  'User' object has no attribute 'extra_info'

        ...

        

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