class ModPythonSetLoggedinUser(object):
    def process_request(self, request):
        if not isinstance(request, ModPythonRequest):
            return None

        if not hasattr(request, '_req'):
            return None

        if not hasattr(request, 'user') or not request.user.is_authenticated():
            return None

        request._req.user = request.user.username

        return None