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storage.py
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storage.py
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# Text storage configuration spoke classes
#
# Copyright (C) 2012-2014 Red Hat, Inc.
#
# This copyrighted material is made available to anyone wishing to use,
# modify, copy, or redistribute it subject to the terms and conditions of
# the GNU General Public License v.2, or (at your option) any later version.
# This program is distributed in the hope that it will be useful, but WITHOUT
# ANY WARRANTY expressed or implied, including the implied warranties of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
# Public License for more details. You should have received a copy of the
# GNU General Public License along with this program; if not, write to the
# Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
# 02110-1301, USA. Any Red Hat trademarks that are incorporated in the
# source code or documentation are not subject to the GNU General Public
# License and may only be used or replicated with the express permission of
# Red Hat, Inc.
#
from collections import OrderedDict
from pyanaconda.modules.common.constants.objects import DISK_SELECTION, DISK_INITIALIZATION, \
BOOTLOADER, DEVICE_TREE
from pyanaconda.modules.common.constants.services import STORAGE
from pyanaconda.modules.common.structures.partitioning import MountPointRequest, \
PartitioningRequest
from pyanaconda.modules.common.structures.storage import DeviceFormatData, DeviceData
from pyanaconda.modules.common.structures.validation import ValidationReport
from pyanaconda.ui.categories.system import SystemCategory
from pyanaconda.ui.lib.storage import find_partitioning, reset_storage, \
select_default_disks, apply_disk_selection, get_disks_summary, apply_partitioning, \
create_partitioning, filter_disks_by_names, is_passphrase_required, set_required_passphrase
from pyanaconda.ui.tui.spokes import NormalTUISpoke
from pyanaconda.ui.tui.tuiobject import Dialog, PasswordDialog
from pyanaconda.core.storage import get_supported_autopart_choices
from pyanaconda.ui.lib.format_dasd import DasdFormatting
from blivet.size import Size
from pyanaconda.flags import flags
from pyanaconda.threading import threadMgr, AnacondaThread
from pyanaconda.core.configuration.anaconda import conf
from pyanaconda.core.constants import THREAD_STORAGE, THREAD_STORAGE_WATCHER, \
PAYLOAD_STATUS_PROBING_STORAGE, CLEAR_PARTITIONS_ALL, \
CLEAR_PARTITIONS_LINUX, CLEAR_PARTITIONS_NONE, CLEAR_PARTITIONS_DEFAULT, \
BOOTLOADER_LOCATION_MBR, SecretType, WARNING_NO_DISKS_DETECTED, WARNING_NO_DISKS_SELECTED, \
PARTITIONING_METHOD_AUTOMATIC, PARTITIONING_METHOD_MANUAL, PASSWORD_POLICY_LUKS
from pyanaconda.core.i18n import _, N_
from simpleline.render.containers import ListColumnContainer
from simpleline.render.prompt import Prompt
from simpleline.render.screen import InputState
from simpleline.render.screen_handler import ScreenHandler
from simpleline.render.widgets import TextWidget, CheckboxWidget, EntryWidget
from simpleline.render.adv_widgets import YesNoDialog
from pyanaconda.anaconda_loggers import get_module_logger
log = get_module_logger(__name__)
__all__ = ["StorageSpoke"]
# TRANSLATORS: 's' to rescan devices
PROMPT_SCAN_DESCRIPTION = N_("to rescan devices")
PROMPT_SCAN_KEY = 's'
CLEARALL = N_("Use All Space")
CLEARLINUX = N_("Replace Existing Linux system(s)")
CLEARNONE = N_("Use Free Space")
INIT_MODES = {CLEARALL: CLEAR_PARTITIONS_ALL, CLEARLINUX: CLEAR_PARTITIONS_LINUX,
CLEARNONE: CLEAR_PARTITIONS_NONE}
class StorageSpoke(NormalTUISpoke):
"""Storage spoke where users proceed to customize storage features such
as disk selection, partitioning, and fs type.
.. inheritance-diagram:: StorageSpoke
:parts: 3
"""
category = SystemCategory
@staticmethod
def get_screen_id():
"""Return a unique id of this UI screen."""
return "storage-configuration"
@classmethod
def should_run(cls, environment, data):
"""Don't run the storage spoke on dir installations."""
if not NormalTUISpoke.should_run(environment, data):
return False
return not conf.target.is_directory
def __init__(self, data, storage, payload):
super().__init__(data, storage, payload)
self.title = N_("Installation Destination")
self._container = None
self._ready = False
self._select_all = False
self._storage_module = STORAGE.get_proxy()
self._device_tree = STORAGE.get_proxy(DEVICE_TREE)
self._bootloader_module = STORAGE.get_proxy(BOOTLOADER)
self._disk_init_module = STORAGE.get_proxy(DISK_INITIALIZATION)
self._disk_select_module = STORAGE.get_proxy(DISK_SELECTION)
self._available_disks = []
self._selected_disks = []
# Is the partitioning already configured?
self._is_preconfigured = bool(self._storage_module.CreatedPartitioning)
# Find a partitioning to use.
self._partitioning = find_partitioning()
self.errors = []
self.warnings = []
@property
def completed(self):
return self.ready and not self.errors and self._device_tree.GetRootDevice()
@property
def ready(self):
# By default, the storage spoke is not ready. We have to wait until
# storageInitialize is done.
return self._ready \
and not threadMgr.get(THREAD_STORAGE) \
and not threadMgr.get(THREAD_STORAGE_WATCHER)
@property
def mandatory(self):
return True
@property
def status(self):
""" A short string describing the current status of storage setup. """
if not self.ready:
return _("Processing...")
elif flags.automatedInstall and not self._device_tree.GetRootDevice():
return _("Kickstart insufficient")
elif not self._disk_select_module.SelectedDisks:
return _("No disks selected")
if self.errors:
return _("Error checking storage configuration")
elif self.warnings:
return _("Warning checking storage configuration")
elif self._partitioning.PartitioningMethod == PARTITIONING_METHOD_AUTOMATIC:
return _("Automatic partitioning selected")
else:
return _("Custom partitioning selected")
def _update_disk_list(self, name):
""" Update self.selected_disks based on the selection."""
# if the disk isn't already selected, select it.
if name not in self._selected_disks:
self._selected_disks.append(name)
# If the disk is already selected, deselect it.
elif name in self._selected_disks:
self._selected_disks.remove(name)
def _update_summary(self):
""" Update the summary based on the UI. """
# Get the summary message.
if not self._available_disks:
summary = _(WARNING_NO_DISKS_DETECTED)
elif not self._selected_disks:
summary = _(WARNING_NO_DISKS_SELECTED)
else:
disks = filter_disks_by_names(self._available_disks, self._selected_disks)
summary = get_disks_summary(disks)
# Append storage errors to the summary
if self.errors or self.warnings:
summary = summary + "\n" + "\n".join(self.errors or self.warnings)
return summary
def setup(self, args=None):
"""Set up the spoke right before it is used."""
super().setup(args)
# Join the initialization thread to block on it
# This print is foul. Need a better message display
print(_(PAYLOAD_STATUS_PROBING_STORAGE))
threadMgr.wait(THREAD_STORAGE_WATCHER)
self._available_disks = self._disk_select_module.GetUsableDisks()
self._selected_disks = self._disk_select_module.SelectedDisks
# Get the available selected disks.
self._selected_disks = filter_disks_by_names(self._available_disks, self._selected_disks)
# Get the available partitioning.
object_path = self._storage_module.CreatedPartitioning[-1]
self._partitioning = STORAGE.get_proxy(object_path)
return True
def refresh(self, args=None):
"""Prepare the content of the screen."""
super().refresh(args)
# Create a new container.
self._container = ListColumnContainer(1, spacing=1)
# loop through the disks and present them.
for disk_name in self._available_disks:
disk_info = self._format_disk_info(disk_name)
c = CheckboxWidget(title=disk_info, completed=(disk_name in self._selected_disks))
self._container.add(c, self._update_disk_list_callback, disk_name)
# if we have more than one disk, present an option to just
# select all disks
if len(self._available_disks) > 1:
c = CheckboxWidget(title=_("Select all"), completed=self._select_all)
self._container.add(c, self._select_all_disks_callback)
self.window.add_with_separator(self._container)
self.window.add_with_separator(TextWidget(self._update_summary()))
def _select_all_disks_callback(self, data):
""" Mark all disks as selected for use in partitioning. """
self._select_all = True
for disk_name in self._available_disks:
if disk_name not in self._selected_disks:
self._update_disk_list(disk_name)
def _update_disk_list_callback(self, data):
disk = data
self._select_all = False
self._update_disk_list(disk)
def _format_disk_info(self, disk):
""" Some specialized disks are difficult to identify in the storage
spoke, so add and return extra identifying information about them.
Since this is going to be ugly to do within the confines of the
CheckboxWidget, pre-format the display string right here.
"""
data = DeviceData.from_structure(
self._device_tree.GetDeviceData(disk)
)
# show this info for all disks
format_str = "{}: {} ({})".format(
data.attrs.get("model", "DISK"),
Size(data.size),
data.name
)
# now append all additional attributes to our string
disk_attrs = filter(None, map(data.attrs.get, (
"wwn", "bus-id", "fcp-lun", "wwpn", "hba-id"
)))
for attr in disk_attrs:
format_str += ", %s" % attr
return format_str
def input(self, args, key):
"""Grab the disk choice and update things"""
self.errors = []
if self._container.process_user_input(key):
return InputState.PROCESSED_AND_REDRAW
else:
if key.lower() == Prompt.CONTINUE:
if self._selected_disks:
# Is DASD formatting supported?
if DasdFormatting.is_supported():
# Wait for storage.
threadMgr.wait(THREAD_STORAGE)
# Allow to format DASDs.
self._disk_init_module.FormatUnrecognizedEnabled = True
self._disk_init_module.FormatLDLEnabled = True
# Get selected disks.
disks = filter_disks_by_names(self._available_disks, self._selected_disks)
# Check if some of the disks should be formatted.
dasd_formatting = DasdFormatting()
dasd_formatting.search_disks(disks)
if dasd_formatting.should_run():
# We want to apply current selection before running dasdfmt to
# prevent this information from being lost afterward
apply_disk_selection(self._selected_disks)
# Run the dialog.
self.run_dasdfmt_dialog(dasd_formatting)
return InputState.PROCESSED_AND_REDRAW
# make sure no containers were split up by the user's disk
# selection
report = ValidationReport.from_structure(
self._disk_select_module.ValidateSelectedDisks(self._selected_disks)
)
self.errors.extend(report.get_messages())
if self.errors:
# The disk selection has to make sense before we can
# proceed.
return InputState.PROCESSED_AND_REDRAW
self.apply()
new_spoke = PartTypeSpoke(self.data, self.storage, self.payload,
self._storage_module, self._partitioning)
ScreenHandler.push_screen_modal(new_spoke)
self._partitioning = new_spoke.partitioning
self.apply()
self.execute()
return InputState.PROCESSED_AND_CLOSE
else:
return super().input(args, key)
def run_dasdfmt_dialog(self, dasd_formatting):
"""Do DASD formatting if user agrees."""
# Prepare text of the dialog.
text = ""
text += _("The following unformatted or LDL DASDs have been "
"detected on your system. You can choose to format them "
"now with dasdfmt or cancel to leave them unformatted. "
"Unformatted DASDs cannot be used during installation.\n\n")
text += dasd_formatting.dasds_summary + "\n\n"
text += _("Warning: All storage changes made using the installer will "
"be lost when you choose to format.\n\nProceed to run dasdfmt?\n")
# Run the dialog.
question_window = YesNoDialog(text)
ScreenHandler.push_screen_modal(question_window)
if not question_window.answer:
return None
print(_("This may take a moment."), flush=True)
# Do the DASD formatting.
dasd_formatting.report.connect(self._show_dasdfmt_report)
dasd_formatting.run()
dasd_formatting.report.disconnect(self._show_dasdfmt_report)
def _show_dasdfmt_report(self, msg):
print(msg, flush=True)
def run_passphrase_dialog(self):
"""Ask user for a default passphrase."""
if not is_passphrase_required(self._partitioning):
return
dialog = PasswordDialog(
title=_("Passphrase"),
message=_("Please provide a default LUKS passphrase for all devices "
"you want to encrypt. You will have to type it twice."),
secret_type=SecretType.PASSPHRASE,
policy_name=PASSWORD_POLICY_LUKS,
process_func=lambda x: x
)
passphrase = None
while passphrase is None:
passphrase = dialog.run()
set_required_passphrase(self._partitioning, passphrase)
def apply(self):
self._bootloader_module.PreferredLocation = BOOTLOADER_LOCATION_MBR
apply_disk_selection(self._selected_disks, reset_boot_drive=True)
def execute(self):
report = apply_partitioning(
partitioning=self._partitioning,
show_message_cb=self._show_execute_message,
reset_storage_cb=self._reset_storage
)
self.errors = list(report.error_messages)
self.warnings = list(report.warning_messages)
print("\n".join(report.get_messages()))
self._ready = True
def _show_execute_message(self, msg):
print(msg)
log.debug(msg)
def _reset_storage(self):
reset_storage(scan_all=True)
def initialize(self):
NormalTUISpoke.initialize(self)
self.initialize_start()
# Ask for a default passphrase.
if flags.automatedInstall and flags.ksprompt:
self.run_passphrase_dialog()
threadMgr.add(AnacondaThread(name=THREAD_STORAGE_WATCHER,
target=self._initialize))
def _initialize(self):
"""
Secondary initialize so wait for the storage thread to complete before
populating our disk list
"""
# Wait for storage.
threadMgr.wait(THREAD_STORAGE)
# Automatically format DASDs if allowed.
disks = self._disk_select_module.GetUsableDisks()
DasdFormatting.run_automatically(disks)
# Update the selected disks.
select_default_disks()
# Automatically apply the preconfigured partitioning.
if flags.automatedInstall and self._is_preconfigured:
self.execute()
# Storage is ready.
self._ready = True
# Report that the storage spoke has been initialized.
self.initialize_done()
def closed(self):
"""The spoke has been closed."""
super().closed()
# Run the setup method again on entry.
self.screen_ready = False
class PartTypeSpoke(NormalTUISpoke):
""" Partitioning options are presented here.
.. inheritance-diagram:: PartTypeSpoke
:parts: 3
"""
category = SystemCategory
def __init__(self, data, storage, payload, storage_module, partitioning):
super().__init__(data, storage, payload)
self.title = N_("Partitioning Options")
self._container = None
# Choose the partitioning method.
self._storage_module = storage_module
self._partitioning = partitioning
self._orig_part_method = self._partitioning.PartitioningMethod
self._part_method = self._orig_part_method
# Choose the initialization mode.
self._disk_init_proxy = STORAGE.get_proxy(DISK_INITIALIZATION)
self._orig_init_mode = self._disk_init_proxy.InitializationMode
self._init_mode = self._get_init_mode()
self._init_mode_list = sorted(INIT_MODES.keys())
def _get_init_mode(self):
"""Return the initial value of the initialization mode."""
if self._orig_part_method == PARTITIONING_METHOD_MANUAL:
return CLEAR_PARTITIONS_NONE
if self._orig_init_mode == CLEAR_PARTITIONS_DEFAULT:
return CLEAR_PARTITIONS_ALL
return self._orig_init_mode
@property
def indirect(self):
return True
@property
def partitioning(self):
return self._partitioning
def refresh(self, args=None):
super().refresh(args)
self._container = ListColumnContainer(1)
for init_mode in self._init_mode_list:
c = CheckboxWidget(title=_(init_mode), completed=(
self._part_method == PARTITIONING_METHOD_AUTOMATIC
and self._init_mode == INIT_MODES[init_mode]
))
self._container.add(c, self._select_partition_type_callback, init_mode)
c = CheckboxWidget(title=_("Manually assign mount points"), completed=(
self._part_method == PARTITIONING_METHOD_MANUAL
))
self._container.add(c, self._select_mount_assign)
self.window.add_with_separator(self._container)
message = _("Installation requires partitioning of your hard drive. "
"Select what space to use for the install target or "
"manually assign mount points.")
self.window.add_with_separator(TextWidget(message))
def _select_mount_assign(self, data=None):
self._part_method = PARTITIONING_METHOD_MANUAL
self._init_mode = CLEAR_PARTITIONS_NONE
def _select_partition_type_callback(self, data):
self._part_method = PARTITIONING_METHOD_AUTOMATIC
self._init_mode = INIT_MODES[data]
def apply(self):
# kind of a hack, but if we're actually getting to this spoke, there
# is no doubt that we are doing autopartitioning, so set autopart to
# True. In the case of ks installs which may not have defined any
# partition options, autopart was never set to True, causing some
# issues. (rhbz#1001061)
self._disk_init_proxy.InitializationMode = self._init_mode
self._disk_init_proxy.InitializeLabelsEnabled = \
self._part_method == PARTITIONING_METHOD_AUTOMATIC
if self._orig_part_method != self._part_method:
self._partitioning = create_partitioning(self._part_method)
def _ensure_init_storage(self):
"""
If a different clearpart type was chosen or mount point assignment was
chosen instead, we need to reset/rescan storage to revert all changes
done by the previous run of doKickstartStorage() and get everything into
the initial state.
"""
# the only safe options are:
# 1) if nothing was set before (self._orig_clearpart_type is None) or
if self._orig_init_mode == CLEAR_PARTITIONS_DEFAULT:
return
# 2) mount point assignment was done before and user just wants to tweak it
if self._orig_part_method == self._part_method == PARTITIONING_METHOD_MANUAL:
return
# else
print(_("Reverting previous configuration. This may take a moment..."))
reset_storage(scan_all=True)
def input(self, args, key):
"""Grab the choice and update things"""
if not self._container.process_user_input(key):
if key.lower() == Prompt.CONTINUE:
self.apply()
self._ensure_init_storage()
if self._part_method == PARTITIONING_METHOD_MANUAL:
new_spoke = MountPointAssignSpoke(
self.data, self.storage, self.payload, self._partitioning
)
else:
new_spoke = PartitionSchemeSpoke(
self.data, self.storage, self.payload, self._partitioning
)
ScreenHandler.push_screen_modal(new_spoke)
return InputState.PROCESSED_AND_CLOSE
else:
return super().input(args, key)
return InputState.PROCESSED_AND_REDRAW
class PartitionSchemeSpoke(NormalTUISpoke):
""" Spoke to select what partitioning scheme to use on disk(s). """
category = SystemCategory
def __init__(self, data, storage, payload, partitioning):
super().__init__(data, storage, payload)
self.title = N_("Partition Scheme Options")
self._container = None
self._part_schemes = OrderedDict()
self._partitioning = partitioning
self._request = PartitioningRequest.from_structure(
self._partitioning.Request
)
supported_choices = get_supported_autopart_choices()
if supported_choices:
# Fallback value (eg when default is not supported)
self._selected_scheme_value = supported_choices[0][1]
selected_choice = self._request.partitioning_scheme
for item in supported_choices:
self._part_schemes[item[0]] = item[1]
if item[1] == selected_choice:
self._selected_scheme_value = item[1]
@property
def indirect(self):
return True
def refresh(self, args=None):
super().refresh(args)
self._container = ListColumnContainer(1)
for scheme, value in self._part_schemes.items():
box = CheckboxWidget(title=_(scheme), completed=(value == self._selected_scheme_value))
self._container.add(box, self._set_part_scheme_callback, value)
self.window.add_with_separator(self._container)
message = _("Select a partition scheme configuration.")
self.window.add_with_separator(TextWidget(message))
def _set_part_scheme_callback(self, data):
self._selected_scheme_value = data
self._request.partitioning_scheme = data
def input(self, args, key):
""" Grab the choice and update things. """
if not self._container.process_user_input(key):
if key.lower() == Prompt.CONTINUE:
self.apply()
return InputState.PROCESSED_AND_CLOSE
else:
return super().input(args, key)
return InputState.PROCESSED_AND_REDRAW
def apply(self):
""" Apply our selections. """
self._partitioning.Request = \
PartitioningRequest.to_structure(self._request)
class MountPointAssignSpoke(NormalTUISpoke):
""" Assign mount points to block devices. """
category = SystemCategory
def __init__(self, data, storage, payload, partitioning):
super().__init__(data, storage, payload)
self.title = N_("Assign mount points")
self._container = None
self._partitioning = partitioning
self._device_tree = STORAGE.get_proxy(self._partitioning.GetDeviceTree())
self._requests = self._gather_requests()
@property
def indirect(self):
return True
def refresh(self, args=None):
"""Refresh the window."""
super().refresh(args)
self._container = ListColumnContainer(2)
for request in self._requests:
widget = TextWidget(self._get_request_description(request))
self._container.add(widget, self._configure_request, request)
message = _(
"Choose device from above to assign mount point and set format.\n"
"Formats marked with * are new formats meaning ALL DATA on the "
"original format WILL BE LOST!"
)
self.window.add_with_separator(self._container)
self.window.add_with_separator(TextWidget(message))
def prompt(self, args=None):
prompt = super().prompt(args)
prompt.add_option(PROMPT_SCAN_KEY, _(PROMPT_SCAN_DESCRIPTION))
return prompt
def input(self, args, key):
""" Grab the choice and update things. """
if self._container.process_user_input(key):
return InputState.PROCESSED
if key.lower() == PROMPT_SCAN_KEY:
self._rescan_devices()
return InputState.PROCESSED_AND_REDRAW
elif key.lower() == Prompt.CONTINUE:
self.apply()
return super().input(args, key)
def apply(self):
""" Apply our selections. """
mount_points = []
for request in self._requests:
if request.reformat or request.mount_point:
if not request.mount_point:
request.mount_point = "none"
mount_points.append(request)
self._partitioning.Requests = \
MountPointRequest.to_structure_list(mount_points)
def _gather_requests(self):
"""Gather info about mount points."""
return MountPointRequest.from_structure_list(
self._partitioning.GatherRequests()
)
def _get_request_description(self, request):
"""Get description of the given mount info."""
# Get the device data.
device_name = self._device_tree.ResolveDevice(request.device_spec)
device_data = DeviceData.from_structure(
self._device_tree.GetDeviceData(device_name)
)
# Generate the description.
description = "{} ({})".format(request.device_spec, Size(device_data.size))
if request.format_type:
description += "\n {}".format(request.format_type)
if request.reformat:
description += "*"
if request.mount_point:
description += ", {}".format(request.mount_point)
return description
def _configure_request(self, request):
"""Configure the given mount request."""
spoke = ConfigureDeviceSpoke(
self.data, self.storage, self.payload, self._device_tree, request
)
ScreenHandler.push_screen(spoke)
def _rescan_devices(self):
"""Rescan devices."""
text = _("Warning: This will revert all changes done so far.\n"
"Do you want to proceed?\n")
question_window = YesNoDialog(text)
ScreenHandler.push_screen_modal(question_window)
if not question_window.answer:
return
print(_("Scanning disks. This may take a moment..."))
reset_storage(scan_all=True)
# Forget the mount point requests.
self._partitioning.Requests = []
self._requests = self._gather_requests()
class ConfigureDeviceSpoke(NormalTUISpoke):
""" Assign mount point to a block device and (optionally) reformat it. """
category = SystemCategory
def __init__(self, data, storage, payload, device_tree, request):
super().__init__(data, storage, payload)
self.title = N_("Configure device: %s") % request.device_spec
self._container = None
self._device_tree = device_tree
self._request = request
self._supported_filesystems = set(device_tree.GetSupportedFileSystems())
@property
def indirect(self):
return True
def refresh(self, args=None):
"""Refresh window."""
super().refresh(args)
self._container = ListColumnContainer(1)
self._add_mount_point_widget()
self._add_format_widget()
self._add_reformat_widget()
self.window.add_with_separator(self._container)
self.window.add_with_separator(TextWidget(
_("Choose from above to assign mount point and/or set format.")
))
def input(self, args, key):
"""Grab the choice and update things."""
if not self._container.process_user_input(key):
return super().input(args, key)
return InputState.PROCESSED_AND_REDRAW
def apply(self):
"""Nothing to apply here."""
pass
def _add_mount_point_widget(self):
"""Add a widget for mount point assignment."""
title = _("Mount point")
fmt = DeviceFormatData.from_structure(
self._device_tree.GetFormatTypeData(self._request.format_type)
)
if fmt.mountable:
# mount point can be set
value = self._request.mount_point or _("none")
callback = self._assign_mount_point
elif not fmt.type:
# mount point cannot be set for no format
# (fmt.name = "Unknown" in this case which would look weird)
value = _("none")
callback = None
else:
# mount point cannot be set for format that is not mountable, just
# show the format's name in square brackets instead
value = fmt.description
callback = None
dialog = Dialog(title, conditions=[self._check_assign_mount_point])
widget = EntryWidget(dialog.title, value)
self._container.add(widget, callback, dialog)
def _check_assign_mount_point(self, user_input, report_func):
"""Check the mount point assignment."""
# a valid mount point must start with / or user set nothing
if user_input == "" or user_input.startswith("/"):
return True
else:
report_func(_("Invalid mount point given"))
return False
def _assign_mount_point(self, dialog):
"""Change the mount point assignment."""
self._request.mount_point = dialog.run()
# Always reformat root.
if self._request.mount_point == "/":
self._request.reformat = True
def _add_format_widget(self):
"""Add a widget for format."""
dialog = Dialog(_("Format"), conditions=[self._check_format])
widget = EntryWidget(dialog.title, self._request.format_type or _("none"))
self._container.add(widget, self._set_format, dialog)
def _check_format(self, user_input, report_func):
"""Check value of format."""
user_input = user_input.lower()
if user_input in self._supported_filesystems:
return True
else:
msg = _("Invalid or unsupported format given")
msg += "\n"
msg += (_("Supported formats: %s") % ", ".join(self._supported_filesystems))
report_func(msg)
return False
def _set_format(self, dialog):
"""Change value of format."""
old_format = self._request.format_type
new_format = dialog.run()
# Reformat to a new format.
if new_format != old_format:
self._request.format_type = new_format
self._request.reformat = True
def _add_reformat_widget(self):
"""Add a widget for reformat."""
widget = CheckboxWidget(
title=_("Reformat"),
completed=self._request.reformat
)
self._container.add(widget, self._switch_reformat)
def _switch_reformat(self, data):
"""Change value of reformat."""
device_name = self._device_tree.ResolveDevice(
self._request.device_spec
)
format_data = DeviceFormatData.from_structure(
self._device_tree.GetFormatData(device_name)
)
device_format = format_data.type
if device_format and device_format != self._request.format_type:
reformat = True
elif self._request.mount_point == "/":
reformat = True
else:
reformat = not self._request.reformat
self._request.reformat = reformat