manager/qubesmanager/bootfromdevice.py
Marta Marczykowska-Górecka ff4ee713b1
Removed unnecessary global variables
Removed three variables set to global, which were all used only in their
respective "main" function.
2017-11-09 17:41:09 +01:00

136 lines
4.3 KiB
Python

#!/usr/bin/python3
#
# The Qubes OS Project, http://www.qubes-os.org
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty 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 Lesser General Public License along
# with this program; if not, see <http://www.gnu.org/licenses/>.
#
#
import sys
import subprocess
from . import utils
from . import firewall
from . import ui_bootfromdevice
from PyQt4 import QtGui, QtCore
import qubesadmin.tools.qvm_start as qvm_start
class VMBootFromDeviceWindow(ui_bootfromdevice.Ui_BootDialog, QtGui.QDialog):
def __init__(self, vm, qapp, parent=None):
super(VMBootFromDeviceWindow, self).__init__(parent)
self.vm = vm
self.qapp = qapp
self.setupUi(self)
self.setWindowTitle(
self.tr("Boot {vm} from device").format(vm=self.vm.name))
self.connect(
self.buttonBox,
QtCore.SIGNAL("accepted()"),
self.save_and_apply)
self.connect(self.buttonBox, QtCore.SIGNAL("rejected()"), self.reject)
# populate buttons and such
self.__init_buttons__()
def reject(self):
self.done(0)
def save_and_apply(self):
if self.blockDeviceRadioButton.isChecked():
cdrom_location = self.blockDeviceComboBox.currentText()
elif self.fileRadioButton.isChecked():
cdrom_location = str(
self.vm_list[self.fileVM.currentIndex()]) + \
":" + self.pathText.text()
else:
QtGui.QMessageBox.warning(
None,
self.tr("ERROR!"),
self.tr("No file or block device selected; please select one."))
return
qvm_start.main(['--cdrom', cdrom_location, self.vm.name])
def __init_buttons__(self):
self.fileVM.setEnabled(False)
self.selectFileButton.setEnabled(False)
self.blockDeviceComboBox.setEnabled(False)
self.blockDeviceRadioButton.clicked.connect(self.radio_button_clicked)
self.fileRadioButton.clicked.connect(self.radio_button_clicked)
self.selectFileButton.clicked.connect(self.select_file_dialog)
self.vm_list, self.vm_idx = utils.prepare_vm_choice(
self.fileVM,
self.vm, None,
None,
None,
allow_default=False, allow_none=False)
self.block_list, self.block_idx = utils.prepare_choice(
self.blockDeviceComboBox,
self.vm,
None,
[device for domain in self.vm.app.domains
for device in domain.devices["block"]],
None,
None,
allow_default=False, allow_none=False
)
def radio_button_clicked(self):
self.blockDeviceComboBox.setEnabled(
self.blockDeviceRadioButton.isChecked())
self.fileVM.setEnabled(self.fileRadioButton.isChecked())
self.selectFileButton.setEnabled(self.fileRadioButton.isChecked())
self.pathText.setEnabled(self.fileRadioButton.isChecked())
def select_file_dialog(self):
backend_vm = self.vm_list[self.fileVM.currentIndex()]
try:
new_path = utils.get_path_from_vm(backend_vm, "qubes.SelectFile")
except subprocess.CalledProcessError:
new_path = None
if new_path:
self.pathText.setText(new_path)
parser = firewall.qubesadmin.tools.QubesArgumentParser(vmname_nargs=1)
def main(args=None):
args = parser.parse_args(args)
vm = args.domains.pop()
qapp = QtGui.QApplication(sys.argv)
qapp.setOrganizationName('Invisible Things Lab')
qapp.setOrganizationDomain("https://www.qubes-os.org/")
qapp.setApplicationName("Qubes VM Settings")
# if not utils.is_debug(): #FIXME
# sys.excepthook = handle_exception
bootfromdevice_window = VMBootFromDeviceWindow(vm, qapp)
bootfromdevice_window.show()
qapp.exec_()
qapp.exit()
if __name__ == "__main__":
main()