backend Package

keyboard Module

Keyboard utilities

vinstall.backend.keyboard.set_kb_layout(layout)

Set the keyboard layout. #TODO: add variants and options

vinstall.backend.keyboard.xkb()

Get available keyboard settings

media Module

utils Module

Collection of small utilities.

class vinstall.backend.utils.Chroot(new_root, chdir=True)

Bases: object

Execute block in a chrooted context

>>> with Chroot("/mnt"):
...     dostuff()

If chdir kwarg is True, os.chdir to “/” before entering

vinstall.backend.utils.activate_swap(path=None)

vinstall.backend.utils.bind_mount(src, mountpoint)

Mount a filesystem with –bind

vinstall.backend.utils.capture_output(*args, **kwargs)

vinstall.backend.utils.capture_output_binary(*args, **kwargs)

vinstall.backend.utils.depmod()

Run depmod

vinstall.backend.utils.exec_chroot(root, command)

Change the root dir for current shell and run the given command.

Arguments:

dir: The directory to for chrooting to. command: The command to be executed under the new root.

>>> exec_chroot('/', 'pwd')
0

vinstall.backend.utils.format_partition(path, filesystem)

Create a filesystem in a partition using mkfs.

vinstall.backend.utils.get_existing_fs(partition_path)

Return the FS for a (mounted) mountpoint

vinstall.backend.utils.get_mem_size()

Get the amount of RAM availablein the system in mB.

vinstall.backend.utils.get_mounted(mountpoint)

Return device for a mountpoint

vinstall.backend.utils.is_mounted(device)

Returns true if device is mounted.

vinstall.backend.utils.mkinitrd(root, fs, disable_bootsplash=False)

Create an initrd

vinstall.backend.utils.mount(src, mountpoint, filesystem='auto')

Mount a filesystem.

Arguments:

src: the filesystem or device to be mounted. filesystem: filesystem type passed to the mount command, for example:

“ext3”. Default is auto.

vinstall.backend.utils.mountiso(src, mountpoint)

Mount a filesystem.

Arguments:

src: the filesystem or device to be mounted. extra: extra options to be passed to the mount command, for example:

“-o loop”. Default is None.

filesystem: filesystem type passed to the mount command, for example:

“ext3”. Default is auto.

vinstall.backend.utils.run_program(*args, **kwargs)

vinstall.backend.utils.run_program_and_capture_output(*args, **kwargs)

vinstall.backend.utils.run_program_and_capture_output_binary(*args, **kwargs)

vinstall.backend.utils.supported_filesystems()

Returns a list of filesystems supported by the system.

vinstall.backend.utils.umount(mounted)

Unmount a filesystem.

Arguments:

A mounted filesystem or device.

>>> umount('/mnt/loop')
0