config.py 文件源码

def get_db_conn():
    import peewee
    env = os.environ.get('SENTINEL_ENV', 'production')

    # default values should be used unless you need a different config for development
    db_host = sentinel_cfg.get('db_host', '127.0.0.1')
    db_port = sentinel_cfg.get('db_port', None)
    db_name = sentinel_cfg.get('db_name', 'sentinel')
    db_user = sentinel_cfg.get('db_user', 'sentinel')
    db_password = sentinel_cfg.get('db_password', 'sentinel')
    db_charset = sentinel_cfg.get('db_charset', 'utf8mb4')
    db_driver = sentinel_cfg.get('db_driver', 'sqlite')

    if (env == 'test'):
        if db_driver == 'sqlite':
            db_name = sqlite_test_db_name(db_name)
        else:
            db_name = "%s_test" % db_name

    peewee_drivers = {
        'mysql': peewee.MySQLDatabase,
        'postgres': peewee.PostgresqlDatabase,
        'sqlite': peewee.SqliteDatabase,
    }
    driver = peewee_drivers.get(db_driver)

    dbpfn = 'passwd' if db_driver == 'mysql' else 'password'
    db_conn = {
        'host': db_host,
        'user': db_user,
        dbpfn: db_password,
    }
    if db_port:
        db_conn['port'] = int(db_port)

    if driver == peewee.SqliteDatabase:
        db_conn = {}

    db = driver(db_name, **db_conn)

    return db