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How to use __sched_path method in autotest

Best Python code snippet using autotest_python

partition.py

Source:partition.py

...626        Delete all files of a given partition filesystem.627        """628        wipe_filesystem(self.job, self.get_mountpoint())629    def get_io_scheduler_list(self, device_name):630        names = open(self.__sched_path(device_name)).read()631        return names.translate(string.maketrans('[]', '  ')).split()632    def get_io_scheduler(self, device_name):633        return re.split('[\[\]]',634                        open(self.__sched_path(device_name)).read())[1]635    def set_io_scheduler(self, device_name, name):636        if name not in self.get_io_scheduler_list(device_name):637            raise NameError('No such IO scheduler: %s' % name)638        f = open(self.__sched_path(device_name), 'w')639        f.write(name)640        f.close()641    def __sched_path(self, device_name):642        return '/sys/block/%s/queue/scheduler' % device_name643class virtual_partition:644    """645    Handles block device emulation using file images of disks.646    It's important to note that this API can be used only if647    we have the following programs present on the client machine:648     * dd649     * losetup650     * truncate651    """652    def __init__(self, file_img, file_size):653        """654        Creates a virtual partition, keeping record of the device created655        under /dev/mapper (device attribute) so test writers can use it...

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