def add_page_if_missing(request):

    try:
        return {
            'feincms_page': Page.objects.for_request(request, best_match=True),
        }
    except Page.DoesNotExist:
        return {}
Simply keeps a reference to the stored data
dataset/ETHPy150Open feincms/feincms/feincms/context_processors.py/add_page_if_missing--crossover with--dataset/ETHPy150Open SmokinCaterpillar/pypet/pypet/utils/mpwrappers.py/ReferenceWrapper.store