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How to use list_mount_devices method in avocado

Best Python code snippet using avocado_python

partition.py

Source:partition.py

...81                        % (device, self.loop))82    def __repr__(self):83        return '<Partition: %s>' % self.device84    @staticmethod85    def list_mount_devices():86        """87        Lists mounted file systems and swap on devices.88        """89        # list mounted file systems90        devices = [line.split()[0]91                   for line in process.system_output('mount').splitlines()]92        # list mounted swap devices93        swaps = process.system_output('swapon -s').splitlines()94        devices.extend([line.split()[0] for line in swaps95                        if line.startswith('/')])96        return devices97    @staticmethod98    def list_mount_points():99        """100        Lists the mount points.101        """102        return [line.split()[2]103                for line in process.system_output('mount').splitlines()]104    def get_mountpoint(self, filename=None):105        """106        Find the mount point of this partition object.107        :param filename: where to look for the mounted partitions information108                (default None which means it will search /proc/mounts and/or109                /etc/mtab)110        :return: a string with the mount point of the partition or None if not111                mounted112        """113        # Try to match this device/mountpoint114        if filename:115            for line in open(filename):116                parts = line.split()117                if parts[0] == self.device or parts[1] == self.mountpoint:118                    return parts[1]    # The mountpoint where it's mounted119            return None120        # no specific file given, look in /proc/mounts121        res = self.get_mountpoint(filename='/proc/mounts')122        if not res:123            # sometimes the root partition is reported as /dev/root in124            # /proc/mounts in this case, try /etc/mtab125            res = self.get_mountpoint(filename='/etc/mtab')126            if res != '/':127                res = None128        return res129    def mkfs(self, fstype=None, args=''):130        """131        Format a partition to filesystem type132        :param fstype: the filesystem type, such as "ext3", "ext2". Defaults133                       to previously set type or "ext2" if none has set.134        :param args: arguments to be passed to mkfs command.135        """136        if self.device in self.list_mount_devices():137            raise PartitionError(self, 'Unable to format mounted device')138        if not fstype:139            if self.fstype:140                fstype = self.fstype141            else:142                fstype = 'ext2'143        if self.mkfs_flags:144            args += ' ' + self.mkfs_flags145        if fstype == 'xfs':146            args += ' -f'147        if self.loop:148            if fstype.startswith('ext'):149                args += ' -F'150            elif fstype == 'reiserfs':151                args += ' -f'152        # If there isn't already a '-t <type>' argument, add one.153        if "-t" not in args:154            args = "-t %s %s" % (fstype, args)155        args = args.strip()156        mkfs_cmd = "mkfs %s %s" % (args, self.device)157        try:158            process.system_output("yes | %s" % mkfs_cmd, shell=True)159        except process.CmdError as error:160            raise PartitionError(self, "Failed to mkfs", error)161        else:162            self.fstype = fstype163    def mount(self, mountpoint=None, fstype=None, args=''):164        """165        Mount this partition to a mount point166        :param mountpoint: If you have not provided a mountpoint to partition167                object or want to use a different one, you may specify it here.168        :param fstype: Filesystem type. If not provided partition object value169                will be used.170        :param args: Arguments to be passed to "mount" command.171        """172        if not mountpoint:173            mountpoint = self.mountpoint174        if not mountpoint:175            raise PartitionError(self, "No mountpoint specified and no "176                                 "default provided to this partition object")177        if fstype is None:178            fstype = self.fstype179        else:180            self.fstype = fstype181        if self.mount_options:182            args += ' -o ' + self.mount_options183        if fstype:184            args += ' -t ' + fstype185        if self.loop:186            args += ' -o loop'187        args = args.lstrip()188        with MtabLock():189            if self.device in self.list_mount_devices():190                raise PartitionError(self, "Attempted to mount mounted device")191            if mountpoint in self.list_mount_points():192                raise PartitionError(self, "Attempted to mount busy mountpoint")193            if not os.path.isdir(mountpoint):194                os.makedirs(mountpoint)195            try:196                process.system("mount %s %s %s"197                               % (args, self.device, mountpoint), sudo=True)198            except process.CmdError as details:199                raise PartitionError(self, "Mount failed", details)200        # Update the fstype as the mount command passed201        self.fstype = fstype202    def _unmount_force(self, mountpoint):203        """...

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