def _generate_backup(self, app_config: dict, root_password: Optional[str]) -> bool:
if app_config['backup']['mode'] not in ('only_one', 'incremental'):
self.show_message(title=self.i18n['error'].capitalize(),
body='{}: {}'.format(self.i18n['action.backup.invalid_mode'],bold(app_config['backup']['mode'])),
type_=MessageType.ERROR)
self.change_substatus('')
return False
handler = ProcessHandler(self)
if app_config['backup']['mode'] == 'only_one':
remove_method = app_config['backup']['remove_method']
if remove_method not in BACKUP_REMOVE_METHODS:
remove_method = BACKUP_DEFAULT_REMOVE_METHOD
delete_failed = False
if remove_method == 'self':
previous_snapshots = tuple(timeshift.read_created_snapshots(root_password))
if previous_snapshots:
substatus = f"[{self.i18n['core.config.tab.backup'].lower()}] {self.i18n['action.backup.substatus.delete']}"
self.change_substatus(substatus)
for snapshot in reversed(previous_snapshots):
deleted, _ = handler.handle_simple(timeshift.delete(snapshot, root_password))
if not deleted:
delete_failed = True
else:
deleted, _ = handler.handle_simple(timeshift.delete_all_snapshots(root_password))
delete_failed = not deleted
if delete_failed and not self.request_confirmation(title=self.i18n['core.config.tab.backup'],
body=f"{self.i18n['action.backup.error.delete']}. "
f"{self.i18n['action.backup.error.proceed']}",
confirmation_label=self.i18n['yes'].capitalize(),
deny_label=self.i18n['no'].capitalize()):
self.change_substatus('')
return False
self.change_substatus('[{}] {}'.format(self.i18n['core.config.tab.backup'].lower(), self.i18n['action.backup.substatus.create']))
created, _ = handler.handle_simple(timeshift.create_snapshot(root_password, app_config['backup']['type']))
if not created and not self.request_confirmation(title=self.i18n['core.config.tab.backup'],
body='{}. {}'.format(self.i18n['action.backup.error.create'],
self.i18n['action.backup.error.proceed']),
confirmation_label=self.i18n['yes'].capitalize(),
deny_label=self.i18n['no'].capitalize()):
self.change_substatus('')
return False
self.change_substatus('')
return True
def _generate_backup(self, app_config: dict, i18n: I18n,
root_password: str) -> bool:
if timeshift.is_available():
if app_config['backup']['mode'] not in ('only_one', 'incremental'):
self.show_message(title=self.i18n['error'].capitalize(),
body='{}: {}'.format(
self.i18n['action.backup.invalid_mode'],
bold(app_config['backup']['mode'])),
type_=MessageType.ERROR)
return False
if not user.is_root() and not root_password:
root_pwd, valid = self.request_root_password()
else:
root_pwd, valid = root_password, True
if not valid:
return False
handler = ProcessHandler(self)
if app_config['backup']['mode'] == 'only_one':
self.change_substatus('[{}] {}'.format(
i18n['core.config.tab.backup'].lower(),
i18n['action.backup.substatus.delete']))
deleted, _ = handler.handle_simple(
timeshift.delete_all_snapshots(root_pwd))
if not deleted and not self.request_confirmation(
title=i18n['core.config.tab.backup'],
body='{}. {}'.format(
i18n['action.backup.error.delete'],
i18n['action.backup.error.proceed']),
confirmation_label=i18n['yes'].capitalize(),
deny_label=i18n['no'].capitalize()):
return False
self.change_substatus('[{}] {}'.format(
i18n['core.config.tab.backup'].lower(),
i18n['action.backup.substatus.create']))
created, _ = handler.handle_simple(
timeshift.create_snapshot(root_pwd,
app_config['backup']['type']))
if not created and not self.request_confirmation(
title=i18n['core.config.tab.backup'],
body='{}. {}'.format(i18n['action.backup.error.create'],
i18n['action.backup.error.proceed']),
confirmation_label=i18n['yes'].capitalize(),
deny_label=i18n['no'].capitalize()):
return False
return True