usbinstall/src/usbinstall.py
Silvan Calarco bdc7c39edc usbinstall: drop bootusb image installation support and more fixes
- fix check for grub i386-efi installation on x86_64
- do unmount in errorAndExit function
2014-08-21 16:53:45 +02:00

404 lines
13 KiB
Python
Executable File

#!/usr/bin/python
# -*- coding: utf-8 -*-
# Copyright 2011 michiamophil (openmamba user :-)
# ChangeLog:
# (michiamophil on 11/11/11) Rewrited all the graphic code and removed gui.py
from PyQt4 import QtGui, QtCore
from subprocess import Popen
import signal
import gettext # To translate
import gobject
import dbus
import dbus.service
from dbus.mainloop.glib import DBusGMainLoop
if getattr(dbus, 'version', (0,0,0)) >= (0,41,0):
import dbus.glib
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#1)-------------------------------(VARIABILI)----------------------------------------
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# Icons
img_help = "/usr/share/icons/gnome/24x24/status/dialog-question.png"
img_fOpen = "/usr/share/icons/gnome/32x32/actions/document-open.png"
img_refresh = "/usr/share/icons/gnome/24x24/actions/view-refresh.png"
img_pach1 = "/usr/share/openmamba/usbinstall/img/pach1.png"
img_cloud = "/usr/share/openmamba/usbinstall/img/nuvola.png"
img_exit = "/usr/share/openmamba/usbinstall/img/exit.png"
window_icon = "/usr/share/icons/hicolor/32x32/apps/mamba.png"
# Global path
path_cpio = ""
path_iso = ""
path_dev = ""
# General vars
dev_model = ""
a_path_dev = [] # Array of choosen devices
a_dev_model = [] # Their models.
step = 1
choose_type = "" # Type of dialog in choose_file()
#1)###############################(VARIABILI)########################################
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#2)-------------------------------(WINDOW CODE)--------------------------------------
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# Contains program's graphic
class create_window(QtGui.QDialog):
# Call when is called create_window()
def __init__(self):
super(create_window, self).__init__() # Register eventClose()
self.add_elements()
# Write window and objects
def add_elements(self):
# Window proprieties
self.resize(500, 405)
self.setWindowIcon(QtGui.QIcon(window_icon))
# Background image
self.i_back = QtGui.QLabel(self)
self.i_back.setGeometry(QtCore.QRect(10, 10, 480, 300))
# Description label
self.l_descr = QtGui.QLabel(self)
self.l_descr.setGeometry(QtCore.QRect(10, 317, 351, 31))
# Orizontal line
self.line = QtGui.QFrame(self)
self.line.setGeometry(QtCore.QRect(10, 350, 481, 20))
self.line.setFrameShape(QtGui.QFrame.HLine)
self.line.setFrameShadow(QtGui.QFrame.Sunken)
# "Next" button
self.b_next = QtGui.QPushButton(self)
self.b_next.setGeometry(QtCore.QRect(400, 370, 90, 29))
self.b_next.setText(_("Go on"))
# "Go Back" button
self.b_back = QtGui.QPushButton(self)
self.b_back.setGeometry(QtCore.QRect(300, 370, 90, 29))
# "Help" button
self.b_help = QtGui.QPushButton(QtGui.QIcon(img_help), "", self)
self.b_help.setGeometry(QtCore.QRect(464, 320, 26, 26))
self.b_help.setIconSize(QtCore.QSize(24, 24))
self.b_help.setFlat(True)
# Path line edit
self.t_file = QtGui.QLineEdit(self)
self.t_file.setGeometry(QtCore.QRect(212, 321, 222, 25))
# Pach line edit
self.pach1 = QtGui.QLabel(self)
self.pach1.setGeometry(QtCore.QRect(430, 320, 32, 27))
self.pach1.setPixmap(QtGui.QPixmap(img_pach1))
# Open file button
self.b_open_file = QtGui.QPushButton(QtGui.QIcon(img_fOpen), "", self)
self.b_open_file.setGeometry(QtCore.QRect(431, 320, 31, 27))
self.b_open_file.setFlat(True)
# Help dialog image
self.i_cloud = QtGui.QLabel(self)
self.i_cloud.setGeometry(QtCore.QRect(289, 200, 211, 121))
self.i_cloud.setPixmap(QtGui.QPixmap(img_cloud))
self.i_cloud.hide()
# Help dialog text
self.l_cloud = QtGui.QLabel(self)
self.l_cloud.setGeometry(QtCore.QRect(298, 200, 181, 101))
self.l_cloud.setOpenExternalLinks(True)
self.l_cloud.setWordWrap(True)
self.l_cloud.hide()
# Help dialog exit
self.b_cloud = QtGui.QPushButton(QtGui.QIcon(img_exit), "", self)
self.b_cloud.setGeometry(QtCore.QRect(471, 202, 14, 14))
self.b_cloud.setFlat(True)
self.b_cloud.hide()
# Refresh button
self.b_refresh = QtGui.QPushButton(QtGui.QIcon(img_refresh), "", self)
self.b_refresh.setGeometry(QtCore.QRect(435, 320, 26, 26))
self.b_refresh.setIconSize(QtCore.QSize(24, 24))
self.b_refresh.setFlat(True)
# List of usb (combobox)
self.c_usb = QtGui.QComboBox(self)
self.c_usb.setGeometry(QtCore.QRect(158, 320, 271, 25))
# Progressbar
self.p_install = QtGui.QProgressBar(self)
self.p_install.setGeometry(QtCore.QRect(10, 354, 480, 36))
self.p_install.hide()
# Show the window
self.show()
# Intercept close event
def closeEvent(self, event):
msg = QtGui.QMessageBox.question(window, _("Attention"), _("Are you sure to abort?"), QtGui.QMessageBox.Yes | QtGui.QMessageBox.No, QtGui.QMessageBox.No)
# Exit if was pressed yes button
if msg == QtGui.QMessageBox.Yes:
end_forced()
else:
event.ignore()
#2)###############################(WINDOW CODE)######################################
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#3)-----------------------------(EVENTS HANDLER)-------------------------------------
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# Add SIGNINT event
#signal.signal(signal.SIGINT, zz)
def add_events():
app.connect(window.b_next, QtCore.SIGNAL('clicked()'), go_on) # Event n°1
app.connect(window.b_back, QtCore.SIGNAL('clicked()'), go_back) # Event n°2
app.connect(window.b_open_file, QtCore.SIGNAL('clicked()'), choose_file) # Event n°3
app.connect(window.b_help, QtCore.SIGNAL('clicked()'), manage_cloud) # Event n°4
app.connect(window.b_cloud, QtCore.SIGNAL('clicked()'), close_cloud) # Event n°5
app.connect(window.b_refresh, QtCore.SIGNAL('clicked()'), get_list) # Event n°6
app.connect(window.c_usb, QtCore.SIGNAL("activated(int)"), set_usb) # Event n°7
# Event n°1
def go_on():
global step, path_cpio, path_iso, path_dev, dev_model
cloud_hide()
# Step 1 to 2
if step == 1:
if path_iso == "":
msg_warn(_("An openmamba's iso is required"))
return
else:
step += 1
step2()
# Step 2 to 3
elif step == 2:
if path_dev == "":
msg_warn(_("You must choose a usb key"))
return
else:
msg = QtGui.QMessageBox.question(window, _("Attention"), _("All data on the key ") + dev_model + _(" will be lost. \n")+ _("Are you sure to continue?"),
QtGui.QMessageBox.Yes | QtGui.QMessageBox.No, QtGui.QMessageBox.No)
# Go on only if was pressed yes button
if msg == QtGui.QMessageBox.Yes:
step += 1
step3()
else:
return
# Event n°2
def go_back():
global step
step -= 1
cloud_hide()
obj_chang_hide()
# Step 1 to 0 -> exit
if step == 0:
app.exit(1)
print _("Application terminated by pressing \"cancel\" button")
# Step 2 to 1
elif step == 1:
step1()
# Step 3 to 2
elif step == 2:
step2()
# Event n°3
def choose_file():
global path_cpio, path_iso, choose_type
# if step is 1
if choose_type == "iso":
nfileName = QtGui.QFileDialog.getOpenFileName(window, _("Choose the iso file"), "/home", "File .iso (*.iso)", "iso *.iso")
path_iso = nfileName
window.t_file.setText(nfileName)
# Event n°4
def manage_cloud():
global step
if step == 1:
aiuto = _("The file .iso contains the operating system. You can download it from <a style=\"color: green; \"href=\"http://www.openmamba.org/distribution/download.html?lang=en\">here</a>")
elif step == 2:
aiuto = _("Choose an usb key for the installation. <span style=\"color:red;\">All data will be lost</span>")
window.l_cloud.setText(aiuto)
cloud_show()
# Event n°5
def close_cloud():
cloud_hide()
# Event n°6
def get_list():
global a_path_dev, a_dev_model
# Clear array and comboBox
a_path_dev = []
a_dev_model = []
window.c_usb.clear()
i = 0
# Get list form dbus
bus = dbus.SystemBus()
ud_manager_obj = bus.get_object('org.freedesktop.UDisks', '/org/freedesktop/UDisks')
ud_manager = dbus.Interface(ud_manager_obj, 'org.freedesktop.UDisks')
for dev in ud_manager.EnumerateDevices():
device_obj = bus.get_object('org.freedesktop.UDisks', dev)
device_props = dbus.Interface(device_obj, dbus.PROPERTIES_IFACE)
# If dev.space > 850 MB
if(device_props.Get('org.freedesktop.UDisks.Device', 'PartitionSize')) > 891289600:
# If dev is removable
if(device_props.Get('org.freedesktop.UDisks.Device', 'DeviceIsRemovable')):
# Populate the arrays
a_path_dev.append(device_props.Get('org.freedesktop.UDisks.Device', 'DeviceFile'))
a_dev_model.append(device_props.Get('org.freedesktop.UDisks.Device', 'DriveModel'))
# And add element to comboBox
window.c_usb.addItem(a_path_dev[i] + " " + a_dev_model[i])
i += 1
# First dev is default
if len(a_path_dev) != 0:
set_usb(0)
else:
print _("No usb available > 1 Gb")
# Event n°7
def set_usb(i):
global path_dev, dev_model, a_path_dev, a_dev_model
path_dev = a_path_dev[i]
dev_model = a_dev_model[i]
#3)#############################(EVENTS HANDLER)#####################################
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#4)-------------------------------(DBUS CODE)----------------------------------------
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# Class for dbus_start()
class set_dbus(dbus.service.Object):
def __init__(self, bus_name, object_path='/org/openmamba/usbinstall'):
dbus.service.Object.__init__(self, bus_name, object_path)
@dbus.service.method('org.openmamba.usbinstall')
def Set_progressBar(self, p):
window.p_install.setProperty("value", int(p))
return 0
@dbus.service.method('org.openmamba.usbinstall')
def Exit(self, errMsg):
if errMsg == "":
end_with_success()
else:
msg = QtGui.QMessageBox.critical(window, _("Script Error"), _(errMsg))
end_forced()
return 0
@dbus.service.method('org.openmamba.usbinstall')
def Set_description(self, descr):
window.l_descr.setText(descr)
return 0
def dbus_start():
bus_name = dbus.service.BusName('org.openmamba.usbinstall', bus=dbus.SystemBus())
dbus_loop = set_dbus(bus_name)
bus = dbus.SystemBus(mainloop=dbus_loop)
#4)###############################(DBUS CODE)########################################
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#5)------------------------------(PROGRAM CODE)--------------------------------------
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# Show all cloud objects
def cloud_show():
window.i_cloud.show()
window.b_cloud.show()
window.l_cloud.show()
# Hide all cloud objects
def cloud_hide():
window.i_cloud.hide()
window.b_cloud.hide()
window.l_cloud.hide()
# Warning dialog abbreviation
def msg_warn(txt):
msg = QtGui.QMessageBox.warning(window, _("Attention"), txt)
# Called when b_next was pressed
def set_objs(i_back, title, descr):
window.i_back.setPixmap(QtGui.QPixmap(i_back))
window.setWindowTitle(title)
window.l_descr.setText(descr)
def step1():
global choose_type, path_iso
choose_type = "iso"
path_iso = ""
window.t_file.setText(path_iso) # Clean path box
window.b_back.setText(_("Cancel"))
set_objs("/usr/share/openmamba/usbinstall/img/back1.png", _("Step 1/3 - choice of ISO file"), _("Choose the openmamba ISO file")+":")
obj_chang_hide()
list_obj1() # Show a set of object
def step2():
set_objs("/usr/share/openmamba/usbinstall/img/back2.png", _("Step 2/3 - choice of USB key"), _("Choose the USB key")+":")
obj_chang_hide()
list_obj2()
get_list() # Get available devices
def step3():
global process_sh
set_objs("/usr/share/openmamba/usbinstall/img/back3.png", _("Step 3/3 - installation of openmamba to USB"), _("Installation in progress..."))
# Hide all unnecessary objects
obj_chang_hide()
window.b_help.hide()
window.line.hide()
window.b_back.hide()
window.b_next.hide()
# Show the progressBar
window.p_install.show()
dbus_start()
process_sh = Popen(["pkexec", "/usr/sbin/usbinstall", path_dev, path_iso, "-d"])
# Show a list of object (step 1)
def list_obj1():
window.t_file.show()
window.pach1.show()
window.b_open_file.show()
# Show a list of object (step 2)
def list_obj2():
window.c_usb.show()
window.b_refresh.show()
# Hide all object that when b_next or b_back was pressed are changing
def obj_chang_hide():
window.t_file.hide()
window.pach1.hide()
window.b_open_file.hide()
window.c_usb.hide()
window.b_refresh.hide()
def end_with_success():
global process_sh, mainloop
msg = QtGui.QMessageBox.information(window, _("Information"), _("Installation process completed"))
mainloop.quit()
app.exit(0)
print _("Installation process completed")
def end_forced():
global process_sh, mainloop
mainloop.quit()
#print _("Installation aborted")
app.exit(1)
# Program start
app = QtGui.QApplication(['usbinstall'])
gettext.install('usbinstall', '/usr/share/locale', unicode=1)
window = create_window()
mainloop = gobject.MainLoop()
def run():
add_events()
step1()
return app.exec_()
if __name__ == "__main__":
run()
#5)##############################(PROGRAM CODE)######################################