(self)
return buf
Return any data available in the SB ... SE queue.

        Return '' if no SB ... SE available. Should only be called
        after seeing a SB or SE command. When a new SB command is
        found, old unread SB data will be discarded. Don't block.
Return any data available in the SB ... SE queue.
Return any data available in the SB ... SE queue .
def read_sb_data(self):
        """Return any data available in the SB ... SE queue.

        Return '' if no SB ... SE available. Should only be called
        after seeing a SB or SE command. When a new SB command is
        found, old unread SB data will be discarded. Don't block.

        """
        buf = self.sbdataq
        self.sbdataq = ''
        return buf
def read_sb_data ( self ) : buf = self . sbdataq self . sbdataq = '' return buf