qdialog_d.py 文件源码

def refresh_info(self, refresh=0):
        """
        Reload the data file information and show them on the main dialog. The
        information here includes both metadata and hosts module info from the
        data file.

        :param refresh: A flag indicating whether the information on main
            dialog needs to be reloaded or not. The value could be `0` or `1`.

                =======  =============
                refresh  operation
                =======  =============
                0        Do NOT reload
                1        Reload
                =======  =============

        :type refresh: int
        """
        if refresh and RetrieveData.conn is not None:
            RetrieveData.clear()
        try:
            RetrieveData.unpack()
            RetrieveData.connect_db()
            self.set_func_list(refresh)
            self.refresh_func_list()
            self.set_info()
        except (BadZipfile, IOError, OSError):
            self.warning_incorrect_datafile()