db.py 文件源码

python
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项目:allennlp 作者: allenai 项目源码 文件源码
def _connect(self) -> None:
        logger.info("initializing database connection:")
        logger.info("host: %s", self.host)
        logger.info("port: %s", self.port)
        logger.info("dbname: %s", self.dbname)
        try:
            self.conn = psycopg2.connect(host=self.host,
                                         port=self.port,
                                         user=self.user,
                                         password=self.password,
                                         dbname=self.dbname,
                                         connect_timeout=5)
            self.conn.set_session(autocommit=True)
            logger.info("successfully initialized database connection")
        except psycopg2.Error as error:
            logger.exception("unable to connect to database")
            raise error
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