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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def set_value(request, name, value):
 """ For manual shortcut links to perform set value actions """

    obj = service.system.namespace.get(name, None)
    if not obj or service.read_only:
        raise Http404
    obj.status = value
    if service.redirect_from_setters:
        return HttpResponseRedirect(reverse('set_ready', args=(name, value)))
    else:
        return set_ready(request, name, value)