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How to use _kernel_for_title method in autotest

Best Python code snippet using autotest_python

boottool.py

Source:boottool.py

...821            else:822                if line.startswith("%s=" % key):823                    return line.split("=")[1]824        return None825    def _kernel_for_title(self, title):826        '''827        Returns the kernel path for an entry based on its title828        :type title: string829        :param title: the title of the entry830        :return: the kernel path of None831        '''832        index = self._index_for_title(title)833        if index is not None:834            info = self.get_info_lines(index)835            kernel = self._info_filter(info, 'kernel')836            return kernel837        else:838            return None839    def _is_number(self, data):840        '''841        Returns true if supplied data is an int or string with digits842        '''843        if isinstance(data, int):844            return True845        elif isinstance(data, str) and data.isdigit():846            return True847        return False848    def _get_entry_selection(self, data):849        '''850        Returns a valid grubby parameter for commands such as --update-kernel851        '''852        if self._is_number(data):853            return data854        elif isinstance(data, str) and data.startswith('/'):855            # assume it's the kernel filename856            return data857        elif isinstance(data, str):858            return self._kernel_for_title(data)859        else:860            raise ValueError("Bad value for 'kernel' parameter. Expecting "861                             "either and int (index) or string (kernel or "862                             "title)")863    def _remove_duplicate_cmdline_args(self, cmdline):864        """865        Remove the duplicate entries in cmdline making sure that the first866        duplicate occurrences are the ones removed and the last one remains867        (this is in order to not change the semantics of the "console"868        parameter where the last occurrence has special meaning)869        :param cmdline: a space separate list of kernel boot parameters870            (ex. 'console=ttyS0,57600n8 nmi_watchdog=1')871        :return: a space separated list of kernel boot parameters without872            duplicates...

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