def log_level_at_least(self, comparison):
        return (comparison == 'quiet') or \
               (comparison == 'normal'  and self.log_level != 'quiet') or \
               (comparison == 'verbose' and (self.log_level == 'verbose' or self.log_level == 'debug')) or \
               (comparison == 'debug'   and self.log_level == 'debug')