How to use the pgspecial.main.PGSpecial function in pgspecial

def test_exit_without_active_connection(executor):
    quit_handler = MagicMock()
    pgspecial = PGSpecial()
    pgspecial.register(
        quit_handler,
        "\\q",
        "\\q",
        "Quit pgcli.",
        arg_type=NO_QUERY,
        case_sensitive=True,
        aliases=(":q",),
    )

    with patch.object(executor, "conn", BrokenConnection()):
        # we should be able to quit the app, even without active connection
        run(executor, "\\q", pgspecial=pgspecial)
        quit_handler.assert_called_once()

        # an exception should be raised when running a query without active connection

def pgspecial():
    return PGSpecial()

self.never_passwd_prompt = never_passwd_prompt
        self.pgexecute = pgexecute
        self.dsn_alias = None
        self.watch_command = None

        # Load config.
        c = self.config = get_config(pgclirc_file)

        NamedQueries.instance = NamedQueries.from_config(self.config)

        self.logger = logging.getLogger(__name__)
        self.initialize_logging()

        self.set_default_pager(c)
        self.output_file = None
        self.pgspecial = PGSpecial()

        self.multi_line = c["main"].as_bool("multi_line")
        self.multiline_mode = c["main"].get("multi_line_mode", "psql")
        self.vi_mode = c["main"].as_bool("vi")
        self.auto_expand = auto_vertical_output or c["main"].as_bool("auto_expand")
        self.expanded_output = c["main"].as_bool("expand")
        self.pgspecial.timing_enabled = c["main"].as_bool("timing")
        if row_limit is not None:
            self.row_limit = row_limit
        else:
            self.row_limit = c["main"].as_int("row_limit")

        self.min_num_menu_lines = c["main"].as_int("min_num_menu_lines")
        self.multiline_continuation_char = c["main"]["multiline_continuation_char"]
        self.table_format = c["main"]["table_format"]
        self.syntax_style = c["main"]["syntax_style"]

auto_vertical_output=False):

        self.force_passwd_prompt = force_passwd_prompt
        self.never_passwd_prompt = never_passwd_prompt
        self.pgexecute = pgexecute
        self.dsn_alias = None

        # Load config.
        c = self.config = get_config(pgclirc_file)

        self.logger = logging.getLogger(__name__)
        self.initialize_logging()

        self.set_default_pager(c)
        self.output_file = None
        self.pgspecial = PGSpecial()

        self.multi_line = c['main'].as_bool('multi_line')
        self.multiline_mode = c['main'].get('multi_line_mode', 'psql')
        self.vi_mode = c['main'].as_bool('vi')
        self.auto_expand = auto_vertical_output or c['main'].as_bool(
            'auto_expand')
        self.expanded_output = c['main'].as_bool('expand')
        self.pgspecial.timing_enabled = c['main'].as_bool('timing')
        if row_limit is not None:
            self.row_limit = row_limit
        else:
            self.row_limit = c['main'].as_int('row_limit')

        self.min_num_menu_lines = c['main'].as_int('min_num_menu_lines')
        self.multiline_continuation_char = c['main']['multiline_continuation_char']
        self.table_format = c['main']['table_format']

def wrapper(wrapped):
        register_special_command(wrapped, command, syntax, description,
                arg_type, hidden, case_sensitive, aliases,
                command_dict=PGSpecial.default_commands)
        return wrapped
    return wrapper