synapse_port_db

        logging_config["filename"] = "port-synapse.log"

    logging.basicConfig(**logging_config)

    sqlite_config = {
        "name": "sqlite3",
        "args": {
            "database": args.sqlite_database,
            "cp_min": 1,
            "cp_max": 1,
            "check_same_thread": False,
        },
    }

    hs_config = yaml.safe_load(args.postgres_config)

    if "database" not in hs_config:
        sys.stderr.write("The configuration file must have a 'database' section.\n")
        sys.exit(4)

    postgres_config = hs_config["database"]

    if "name" not in postgres_config:
        sys.stderr.write("Malformed database config: no 'name'\n")
        sys.exit(2)
    if postgres_config["name"] != "psycopg2":
        sys.stderr.write("Database must use the 'psycopg2' connector.\n")
        sys.exit(3)

    config = HomeServerConfig()
    config.parse_config_dict(hs_config, "", "")

    def start(stdscr=None):
        if stdscr:
            progress = CursesProgress(stdscr)
        else:
            progress = TerminalProgress()

        porter = Porter(
            sqlite_config=sqlite_config,
            progress=progress,
            batch_size=args.batch_size,
            hs_config=config,
        )

        reactor.callWhenRunning(porter.run)

        reactor.run()

    if args.curses:
        curses.wrapper(start)
    else:
        start()

    if end_error_exec_info:
        exc_type, exc_value, exc_traceback = end_error_exec_info
        traceback.print_exception(exc_type, exc_value, exc_traceback)
        sys.exit(5)