def register_log_reader(name):
    def outer(log_reader_class):
        _log_reader_classes[name] = log_reader_class
        return log_reader_class
    return outer
Returns a decorator that registers a log reader class at a given name
dataset/ETHPy150Open Yelp/paasta/paasta_tools/cli/cmds/logs.py/register_log_reader