parameters: (self)
return_statement: return rv
docstring: !
      Gets the command string of the current history level.
      
      @param self this object
      @return: Historic command string.
docstring_summary: !
      Gets the command string of the current history level.
docstring_tokens: ! Gets the command string of the current history level .
function: def _getHistory(self):
      """!
      Gets the command string of the current history level.
      
      @param self this object
      @return: Historic command string.
      """
      try:
        rv = self.IP.user_ns['In'][self.history_level].strip('\n')
      except IndexError:
        rv = ''
      return rv
function_tokens: def _getHistory ( self ) : try : rv = self . IP . user_ns [ 'In' ] [ self . history_level ] . strip ( '\n' ) except IndexError : rv = '' return rv