def previous_history(self, e): # (C-p)
        self._history.previous_history(self.l_buffer)
        self.l_buffer.point=lineobj.EndOfLine
Move back through the history list, fetching the previous command.
dataset/ETHPy150Open deanhiller/databus/webapp/play1.3.x/python/Lib/site-packages/pyreadline/modes/emacs.py/EmacsMode.previous_history