def scp_data_length(self):
        """The maximum SCP data field length supported by the machine
        (bytes).
        """
        # If not known, query the machine
        if self._scp_data_length is None:
            data = self.get_software_version(255, 255, 0)
            self._scp_data_length = data.buffer_size
        return self._scp_data_length
def scp_data_length ( self ) : if self . _scp_data_length is None : data = self . get_software_version ( 255 , 255 , 0 ) self . _scp_data_length = data . buffer_size return self . _scp_data_length
The maximum SCP data field length supported by the machine
        (bytes).