Get user from django session

from django.shortcuts import render
from django.contrib.auth.models import User
from django.contrib.sessions.models import Session


def get_user_from_session(session_key):
    try:
        session = Session.objects.get(session_key = session_key)
        uid = session.get_decoded().get('_auth_user_id')
        return User.objects.get(pk = uid)
    except:
        return None


def SessionUser(request):
 
    sessionid = request.COOKIES.get('sessionid')
    user = get_user_from_session(sessionid)
    context = {'username' : user.username}
    response = render(request, 'user.html', context)

    return response