def indentBlock(block):
            cursor = cursorAtSpaceEnd(block)
            cursor.insertText(' ' if withSpace else self.text())
def execute_as(self, user):
        self.check_prereq(self.LOGGED_IN)
        self._exit_modes_beyond(self.LOGGED_IN)
        user.commandLine(self)
        user.login()
        self.modeList.append(user)
        return user