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# Copyright (C) 2008 Canonical Ltd.
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 3,
# as published by the Free Software Foundation.
#
# 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 General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
import sys
import os
from usbcreator.backend import Backend
#from usbcreator.frontend.base import Frontend
import pygtk
import gtk.glade
import gobject
import dbus
MIN_PERSIST = 128 # The minimal size, in MB, that a persistence file can be.
#class GtkFrontend(Frontend):
class GtkFrontend:
def __init__(self):
self.YES, self.MAYBE, self.NO = range(3)
self.all_widgets = set()
self.glade = gtk.glade.XML('/usr/share/usb-creator/usbcreator.glade')
for widget in self.glade.get_widget_prefix(""):
self.all_widgets.add(widget)
setattr(self, widget.get_name(), widget)
# Taken from ubiquity:
# We generally want labels to be selectable so that people can
# easily report problems in them
# (https://launchpad.net/bugs/41618), but GTK+ likes to put
# selectable labels in the focus chain, and I can't seem to turn
# this off in glade and have it stick. Accordingly, make sure
# labels are unfocusable here.
if isinstance(widget, gtk.Label):
widget.set_property('can-focus', False)
# TODO: lots of i18n work.
# self.translate_widgets()
if os.getuid() != 0:
os.execl('/usr/bin/gksu', 'gksu', '--desktop',
'/usr/share/applications/usb-creator.desktop', '--',
'usb-creator')
#self.failed('This utility must be run with administrative '
# 'privileges, and cannot continue without them.')
self.backend = Backend(self)
self.glade.signal_autoconnect(self)
self.cancelbutton.connect('clicked', lambda x: self.warning_dialog.hide())
self.exitbutton.connect('clicked', lambda x: self.abort())
self.progress_cancel_button.connect('clicked', lambda x: self.warning_dialog.show())
def format_value(scale, value):
return format_size(value * 1024 * 1024)
self.persist_value.set_adjustment(
gtk.Adjustment(0, 0, 100, 1, 10, 0))
self.persist_value.connect('format-value', format_value)
self.setup_source()
self.setup_dest()
self.persist_vbox.set_sensitive(False)
self.button_install.set_sensitive(False)
self.backend.detect_devices()
self.window.show()
gtk.main()
def abort(self, *args):
self.backend.shutdown()
sys.exit(0)
def quit(self, *args):
sys.exit(0)
def failed(self, title=None):
self.warning_dialog.hide()
self.install_window.hide()
if not title:
title = 'The installation failed. Please see ' \
'~/.usb-creator.log for more details.'
self.backend.log('Install failed: ' + title)
dialog = gtk.MessageDialog(None, 0,
gtk.MESSAGE_ERROR, gtk.BUTTONS_CLOSE,
title)
dialog.run()
sys.exit(1)
def finished(self, *args):
self.warning_dialog.hide()
self.install_window.hide()
title = 'Installation is complete. You may now reboot your computer' \
' with this USB thumb drive inserted to boot Ubuntu.'
dialog = gtk.MessageDialog(None, 0,
gtk.MESSAGE_INFO, gtk.BUTTONS_CLOSE,
title)
dialog.run()
sys.exit(0)
def open_dest_folder(self, *args):
# TODO: This should really call whatever GNOME does when you click on
# the device in the places menu, so the device gets mounted if it isn't
# already.
model, iterator = self.dest_treeview.get_selection().get_selected()
if not iterator:
return
val = model[iterator][1]
disk = model[iterator][0]
mp = self.backend.devices[disk]['mountpoint']
if mp:
cmd = 'gnome-open \"%s\"' % mp
self.backend.log('spawning `%s`' % cmd)
os.system(cmd)
def add_source(self, source):
ni = self.source_treeview.get_model().append([source])
sel = self.source_treeview.get_selection()
m, i = sel.get_selected()
if not i:
sel.select_iter(ni)
def device_removed(self, d, source):
'''The backend has removed a device from its list and the frontend now
needs to do the same.
Keyword arguments:
d -- the key (a udi string) of the item to delete.
source -- if True, then the frontend needs to remove a source device
(CD), otherwise it needs to remove a destination device (USB
drive).
'''
# TODO: Maybe split this in half?
to_delete = None
if source:
m = self.source_treeview.get_model()
else:
m = self.dest_treeview.get_model()
iterator = m.get_iter_first()
while iterator is not None:
if m.get_value(iterator, 0) == d:
to_delete = iterator
self.backend.log('deleting %s from the ui' % d)
iterator = m.iter_next(iterator)
if to_delete is not None:
m.remove(to_delete)
if len(m) == 0:
self.backend.log('device removed and none left. source = %s' % str(source))
self.persist_vbox.set_sensitive(False)
self.button_install.set_sensitive(False)
def update_all_rows(self, selection):
m = self.dest_treeview.get_model()
iterator = m.get_iter_first()
while iterator is not None:
self.update_row_state(m, iterator)
iterator = m.iter_next(iterator)
# TODO: Disabled for now, re-evaluate as testing allows. Initial
# testing looks OK.
#sel = self.dest_treeview.get_selection()
#self.dest_selection_changed(sel)
def setup_source(self):
def column_data_func(column, cell, model, iterator, pos):
val = model[iterator][0]
dev = self.backend.cds[val]
if pos == 0:
if dev['udi']:
cell.set_property('text', dev['mountpoint'])
else:
cell.set_property('text', dev['filename'])
elif pos == 1:
cell.set_property('text', dev['label'])
elif pos == 2:
cell.set_property('text', format_size(dev['size']))
# TODO: Drag and drop support
list_store = gtk.ListStore(str)
self.source_treeview.set_model(list_store)
cell_name = gtk.CellRendererText()
# TODO: i18n
column_name = gtk.TreeViewColumn('Image', cell_name)
column_name.set_cell_data_func(cell_name, column_data_func, 0)
column_name.set_sizing(gtk.TREE_VIEW_COLUMN_AUTOSIZE)
self.source_treeview.append_column(column_name)
cell_version = gtk.CellRendererText()
# TODO: i18n
column_name = gtk.TreeViewColumn('OS Version', cell_version)
column_name.set_cell_data_func(cell_version, column_data_func, 1)
column_name.set_sizing(gtk.TREE_VIEW_COLUMN_AUTOSIZE)
self.source_treeview.append_column(column_name)
cell_size = gtk.CellRendererText()
# TODO: i18n
column_name = gtk.TreeViewColumn('Size', cell_size)
column_name.set_cell_data_func(cell_size, column_data_func, 2)
column_name.set_sizing(gtk.TREE_VIEW_COLUMN_AUTOSIZE)
self.source_treeview.append_column(column_name)
selection = self.source_treeview.get_selection()
selection.connect('changed', self.update_all_rows)
def select_iso(self, *args):
filename = ''
chooser = gtk.FileChooserDialog(title=None,action=gtk.FILE_CHOOSER_ACTION_OPEN,
buttons=(gtk.STOCK_CANCEL,gtk.RESPONSE_CANCEL,gtk.STOCK_OPEN,gtk.RESPONSE_OK))
filter = gtk.FileFilter()
filter.add_pattern('*.iso')
# TODO: i18n
filter.set_name('ISO Files')
chooser.add_filter(filter)
response = chooser.run()
if response == gtk.RESPONSE_OK:
filename = chooser.get_filename()
self.backend.mount_iso(filename)
chooser.destroy()
def add_dest(self, dest):
self.backend.log('adding: %s' % dest)
ni = self.dest_treeview.get_model().append([dest, self.YES])
sel = self.dest_treeview.get_selection()
m, i = sel.get_selected()
if not i:
sel.select_iter(ni)
def update_row_state(self, model, iterator):
m, i = self.source_treeview.get_selection().get_selected()
if not i or not iterator:
# There's no selection, which means one of the treeviews is empty.
self.open_dest.hide()
self.dest_status.set_text('')
iterator = model.get_iter_first()
while iterator is not None:
model[iterator][1] = self.YES
iterator = model.iter_next(iterator)
return
cd = self.backend.cds[m[i][0]]
disk = model[iterator][0]
disk = self.backend.devices[disk]
if cd['size'] < disk['free']:
model[iterator][1] = self.YES
elif cd['size'] > disk['capacity']:
model[iterator][1] = self.NO
else:
model[iterator][1] = self.MAYBE
if self.dest_treeview.get_selection().iter_is_selected(iterator):
self.backend.log('updating dest_status as part of update_row_state')
self.open_dest.hide()
self.button_install.set_sensitive(False)
if cd['size'] < disk['free']:
self.dest_status.set_text('%s has enough free space for %s.' % (disk['device'], cd['label']))
self.button_install.set_sensitive(True)
self.persist_vbox.set_sensitive(True)
# work in MB with 10 MB padding.
persist_max = (((disk['free'] - cd['size']) / 1024) / 1024) - 10
if persist_max > MIN_PERSIST:
self.persist_vbox.set_sensitive(True)
self.persist_enabled_vbox.set_sensitive(True)
self.persist_value.set_range(MIN_PERSIST, persist_max)
else:
self.persist_enabled_vbox.set_sensitive(False)
self.persist_disabled.set_active(True)
elif cd['size'] > disk['capacity']:
self.dest_status.set_text('%s is too small for %s.' % (disk['device'], cd['label']))
else:
needed = cd['size'] - disk['free']
needed = format_size(needed)
# TODO: Can we size the window at startup to fix this string and the button?
self.dest_status.set_text('%s is too full to fit %s (%s more needed).' % (disk['device'], cd['label'], needed))
self.open_dest.show()
def update_dest_row(self, device):
m = self.dest_treeview.get_model()
iterator = m.get_iter_first()
while iterator is not None:
if m.get_value(iterator, 0) == device:
self.update_row_state(m, iterator)
m.row_changed(m.get_path(iterator), iterator)
break
iterator = m.iter_next(iterator)
def dest_selection_changed(self, selection):
model, iterator = selection.get_selected()
self.update_row_state(model, iterator)
def setup_dest(self):
def column_data_func(column, cell, model, iterator, pos):
val = model[iterator][0]
dev = self.backend.devices[val]
if pos == 0:
cell.set_property('text', dev['device'])
elif pos == 1:
cell.set_property('text', dev['label'])
elif pos == 2:
cell.set_property('text', format_size(dev['capacity']))
elif pos == 3:
cell.set_property('text', format_size(dev['free']))
def pixbuf_data_func(column, cell, model, iterator):
if model[iterator][1] == self.MAYBE:
cell.set_property('stock-id', gtk.STOCK_DIALOG_WARNING)
elif model[iterator][1] == self.NO:
# TODO: Implement disabled rows as a replacement?
cell.set_property('stock-id', gtk.STOCK_DIALOG_ERROR)
else:
cell.set_property('stock-id', None)
list_store = gtk.ListStore(str, int)
self.dest_treeview.set_model(list_store)
column_name = gtk.TreeViewColumn()
column_name.set_title('Device')
cell_name = gtk.CellRendererText()
cell_pixbuf = gtk.CellRendererPixbuf()
# TODO: i18n
column_name.set_sizing(gtk.TREE_VIEW_COLUMN_AUTOSIZE)
column_name.pack_start(cell_pixbuf, expand=False)
column_name.pack_start(cell_name, expand=True)
self.dest_treeview.append_column(column_name)
column_name.set_cell_data_func(cell_name, column_data_func, 0)
column_name.set_cell_data_func(cell_pixbuf, pixbuf_data_func)
cell_name = gtk.CellRendererText()
# TODO: i18n
column_name = gtk.TreeViewColumn('Label', cell_name)
column_name.set_cell_data_func(cell_name, column_data_func, 1)
column_name.set_sizing(gtk.TREE_VIEW_COLUMN_AUTOSIZE)
self.dest_treeview.append_column(column_name)
cell_capacity = gtk.CellRendererText()
# TODO: i18n
column_name = gtk.TreeViewColumn('Capacity', cell_capacity)
column_name.set_cell_data_func(cell_capacity, column_data_func, 2)
column_name.set_sizing(gtk.TREE_VIEW_COLUMN_AUTOSIZE)
self.dest_treeview.append_column(column_name)
cell_free = gtk.CellRendererText()
# TODO: i18n
column_name = gtk.TreeViewColumn('Free Space', cell_free)
column_name.set_cell_data_func(cell_free, column_data_func, 3)
column_name.set_sizing(gtk.TREE_VIEW_COLUMN_AUTOSIZE)
self.dest_treeview.append_column(column_name)
selection = self.dest_treeview.get_selection()
selection.connect('changed', self.dest_selection_changed)
def install(self, widget):
self.backend.log('Installing...')
self.window.hide()
self.progress_title.set_markup('<big><b>Starting up</b></big>')
self.progress_info.set_text('')
self.install_window.show()
m, i = self.source_treeview.get_selection().get_selected()
if not i:
self.failed('Install button pressed but there was no source selection.')
val = m[i][0]
self.backend.log('Source CD: %s' % val)
self.backend.set_install_source(val)
m, i = self.dest_treeview.get_selection().get_selected()
if not i:
self.failed('Install button pressed but there was no dest selection.')
val = m[i][0]
self.backend.log('Destination disk: %s' % val)
self.backend.set_install_target(val)
if self.persist_enabled.get_active():
val = int(self.persist_value.get_value())
else:
val = 0
self.backend.log('Persistence size: %d MB' % val)
self.backend.set_persistence_size(val)
self.backend.install_bootloader()
try:
self.backend.copy_files()
except Exception, e:
self.failed(str(e))
def progress(self, val, desc):
self.progress_info.set_text('%d%% complete' % val)
self.progress_bar.set_fraction(val / 100.0)
self.progress_title.set_markup('<big><b>' + desc + '</b></big>')
def format_size(size):
"""Format a partition size."""
# Taken from ubiquity's ubiquity/misc.py
if size < 1024:
unit = 'B'
factor = 1
elif size < 1024 * 1024:
unit = 'kB'
factor = 1024
elif size < 1024 * 1024 * 1024:
unit = 'MB'
factor = 1024 * 1024
elif size < 1024 * 1024 * 1024 * 1024:
unit = 'GB'
factor = 1024 * 1024 * 1024
else:
unit = 'TB'
factor = 1024 * 1024 * 1024 * 1024
return '%.1f %s' % (float(size) / factor, unit)
# vim: set ai et sts=4 tabstop=4 sw=4:
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