def alias(self, maps):
        for k, v in maps.items():
            if self.verbose_mode:
                print(
                    " * Mapping a specified var as a alias:"
                    " {0} -> {1}".format(v, k))
            self.app.config[v] = self.app.config[k]
Examples:
dataset/ETHPy150Open grauwoelfchen/flask-dotenv/flask_dotenv.py/DotEnv.alias