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# dialog_cache_outdated.py - inform the user to update the apt cache
#
# Copyright (c) 2006 Canonical
#
# Authors:
# Sebastian Heinlein <sebastian.heinlein@web.de>
#
# 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 General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
# USA
import os
import gi
gi.require_version("Gdk", "3.0")
gi.require_version("Gtk", "3.0")
gi.require_version("PackageKitGlib", "1.0")
from gi.repository import GObject, Gdk, Gtk
from gi.repository import PackageKitGlib as packagekit
from gettext import gettext as _
from softwareproperties.gtk.utils import (
setup_ui,
)
class ProgressDialog(Gtk.Window):
"""A small helper window to display progress"""
def __init__(self, parent):
Gtk.Window.__init__(self, title=_("Cache Refresh"))
self.set_transient_for(parent)
self.set_position(Gtk.WindowPosition.CENTER)
self.set_border_width(16)
self.set_modal(True)
self.set_deletable(False)
self.set_default_size(300, 75)
geometry = Gdk.Geometry()
geometry.min_width = 210
geometry.min_height = 60
geometry.max_width = 800
geometry.max_height = 260
self.set_geometry_hints(None, geometry, Gdk.WindowHints.MIN_SIZE)
self.set_geometry_hints(None, geometry, Gdk.WindowHints.MAX_SIZE)
self.box = Gtk.Box(spacing=6, orientation=Gtk.Orientation.VERTICAL)
self.add(self.box)
self.label = Gtk.Label(xalign=0)
self.label.set_markup("<b><big>{}</big></b>".format(_("Refreshing software cache")))
self.box.pack_start(self.label, False, False, 0)
# create a progress bar
self.progressbar = Gtk.ProgressBar()
self.box.pack_start(self.progressbar, True, True, 0)
class DialogCacheOutdated:
def __init__(self, parent, datadir):
"""setup up the gtk dialog"""
self.parent = parent
setup_ui(self, os.path.join(datadir, "gtkbuilder", "dialog-cache-outofdate.ui"), domain="software-properties")
self.dialog = self.dialog_cache_outofdate
self.dialog.set_transient_for(parent)
def on_pktask_progress(self, progress, ptype, udata=(None,)):
if ptype == packagekit.ProgressType.PERCENTAGE:
perc = progress.get_property('percentage')
self._pdia.progressbar.set_fraction(perc / 100.0)
def on_pktask_finish(self, source, result, udata=(None,)):
try:
self._pktask.generic_finish(result)
except Exception as e:
dialog = Gtk.MessageDialog(self.parent, 0, Gtk.MessageType.ERROR,
Gtk.ButtonsType.CANCEL, _("Error while refreshing cache"))
dialog.format_secondary_text(str(e))
dialog.run()
self._loop.quit ()
def run(self):
"""run the dialog, and if reload was pressed run cache update"""
res = self.dialog.run()
self.dialog.hide()
if res == Gtk.ResponseType.APPLY:
self._pktask = packagekit.Task()
self._pdia = ProgressDialog(self.parent)
self._loop = GObject.MainLoop()
self._pdia.show_all()
self.parent.set_sensitive(False)
try:
self._pktask.refresh_cache_async (False, # force
None, # GCancellable
self.on_pktask_progress,
(None,), # user data
self.on_pktask_finish,
(None,));
except Exception as e:
print("Error while requesting cache refresh: {}".format(e))
self._loop.run()
self._pdia.hide()
self.parent.set_sensitive(True)
return res
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