golden hour

/usr/lib/python3/dist-packages/DistUpgrade

File/Folder	Size	Actions
DistUpgradeApport.py	4.95 KB
DistUpgradeAptCdrom.py	12.39 KB
DistUpgradeCache.py	52.93 KB
DistUpgradeConfigParser.py	3.75 KB
DistUpgradeController.py	101.89 KB
DistUpgradeFetcher.py	5.87 KB
DistUpgradeFetcherCore.py	11.2 KB
DistUpgradeFetcherKDE.py	9.72 KB
DistUpgradeFetcherSelf.py	2.02 KB
DistUpgradeGettext.py	2.97 KB
DistUpgradeMain.py	9.1 KB
DistUpgradePatcher.py	3.92 KB
DistUpgradeQuirks.py	49.04 KB
DistUpgradeVersion.py	21 B
DistUpgradeView.py	16.43 KB
DistUpgradeViewGtk3.py	33.85 KB
DistUpgradeViewKDE.py	42.11 KB
DistUpgradeViewNonInteractive.py	13.54 KB
DistUpgradeViewText.py	12.53 KB
GtkProgress.py	3.93 KB
MetaRelease.py	17.06 KB
QUrlOpener.py	3.24 KB
ReleaseNotesViewer.py	7.48 KB
ReleaseNotesViewerWebkit.py	2.91 KB
SimpleGtk3builderApp.py	2.01 KB
SimpleGtkbuilderApp.py	1.99 KB
__init__.py	0 B
__pycache__	-
apt_btrfs_snapshot.py	9.64 KB
apt_clone.py	32.81 KB
dist-upgrade.py	129 B
distro.py	23.15 KB
telemetry.py	3.4 KB
utils.py	17.92 KB
xorg_fix_proprietary.py	3.99 KB

Edit: DistUpgradeFetcherKDE.py

# DistUpgradeFetcherKDE.py
# -*- Mode: Python; indent-tabs-mode: nil; tab-width: 4; coding: utf-8 -*-
#
# Copyright (c) 2008 Canonical Ltd
# Copyright (c) 2014-2018 Harald Sitter <sitter@kde.org>
#
# Author: Jonathan Riddell <jriddell@ubuntu.com>
#
# 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, see <http://www.gnu.org/licenses/>.

try:
    # 14.04 has a broken pyqt5, so don't even try to import it and require
    # pyqt4.
    # In 14.04 various signals in pyqt5 can not be connected because it thinks
    # the signal does not exist or has an incompatible signature. Since this
    # potentially renders the GUI entirely broken and pyqt5 was not actively
    # used back then it is fair to simply require qt4 on trusty systems.
    from .utils import get_dist
    if get_dist() == 'trusty':
        raise ImportError

from PyQt5 import uic
    from PyQt5.QtCore import QTranslator, PYQT_VERSION, \
        QLocale
    from PyQt5.QtGui import QIcon
    from PyQt5.QtWidgets import QDialog, QDialogButtonBox, QMessageBox, \
        QApplication
except ImportError:
    from PyKDE4.kdeui import KIcon, KMessageBox, KStandardGuiItem
    from PyQt4.QtGui import QDialog, QDialogButtonBox, QApplication, QIcon
    from PyQt4.QtCore import PYQT_VERSION
    from PyQt4 import uic

import apt_pkg

from DistUpgrade.DistUpgradeFetcherCore import DistUpgradeFetcherCore
from gettext import gettext as _
from urllib.request import urlopen
from urllib.error import HTTPError
import os

import apt

from .QUrlOpener import QUrlOpener

# TODO: uifile resolution is an utter mess and should be revised globally for
#       both the fetcher and the upgrader GUI.

# TODO: make this a singleton
# We have no globally constructed QApplication available so we need to
# make sure that one is created when needed. Since from a module POV
# this can be happening in any order of the two classes this function takes
# care of it for the classes, the classes only hold a ref to the qapp returned
# to prevent it from getting GC'd, so in essence this is a singleton scoped to
# the longest lifetime of an instance from the Qt GUI. Since the lifetime is
# pretty much equal to the process' one we might as well singleton up.
def _ensureQApplication():
    if not QApplication.instance():
        # Force environment to make sure Qt uses suitable theming and UX.
        os.environ["QT_PLATFORM_PLUGIN"] = "kde"
        # For above settings to apply automatically we need to indicate that we
        # are inside a full KDE session.
        os.environ["KDE_FULL_SESSION"] = "TRUE"
        # We also need to indicate version as otherwise KDElibs3 compatibility
        # might kick in such as in QIconLoader.cpp:QString fallbackTheme.
        os.environ["KDE_SESSION_VERSION"] = "5"
        # Pretty much all of the above but for Qt5
        os.environ["QT_QPA_PLATFORMTHEME"] = "kde"

app = QApplication(["ubuntu-release-upgrader"])

# Try to load default Qt translations so we don't have to worry about
        # QStandardButton translations.
        # FIXME: make sure we dep on l10n
        translator = QTranslator(app)
        if type(PYQT_VERSION) == int:
            translator.load(QLocale.system(), 'qt', '_',
                            '/usr/share/qt5/translations')
        else:
            translator.load(QLocale.system(), 'qt', '_',
                            '/usr/share/qt4/translations')
        app.installTranslator(translator)
        return app
    return QApplication.instance()

# Qt 5 vs. KDELibs4 compat functions
def _warning(text):
    if type(PYQT_VERSION) == int:
        QMessageBox.warning(None, "", text)
    else:
        KMessageBox.sorry(None, text, "")

def _icon(name):
    if type(PYQT_VERSION) == int:
        return QIcon.fromTheme(name)
    else:
        return KIcon(name)

class DistUpgradeFetcherKDE(DistUpgradeFetcherCore):

def __init__(self, new_dist, progress, parent, datadir):
        DistUpgradeFetcherCore.__init__(self, new_dist, progress)

self.app = _ensureQApplication()
        self.app.setWindowIcon(_icon("system-software-update"))

self.datadir = datadir

QUrlOpener().setupUrlHandles()

QApplication.processEvents()

def error(self, summary, message):
        if type(PYQT_VERSION) == int:
            QMessageBox.critical(None, summary, message)
        else:
            KMessageBox.sorry(None, message, summary)

def runDistUpgrader(self):
        # now run it with sudo
        if os.getuid() != 0:
            os.execv("/usr/bin/pkexec",
                     ["pkexec",
                      self.script + " --frontend=DistUpgradeViewKDE"])
        else:
            os.execv(self.script,
                     [self.script, "--frontend=DistUpgradeViewKDE"] +
                     self.run_options)

def showReleaseNotes(self):
 # FIXME: care about i18n! (append -$lang or something)
 # TODO: ^ what is this supposed to mean?
 self.dialog = QDialog()
 uic.loadUi(self.datadir + "/dialog_release_notes.ui", self.dialog)
 upgradeButton = self.dialog.buttonBox.button(QDialogButtonBox.Ok)
 upgradeButton.setText(_("&Upgrade"))
 upgradeButton.setIcon(_icon("dialog-ok"))
 cancelButton = self.dialog.buttonBox.button(QDialogButtonBox.Cancel)
 cancelButton.setText(_("&Cancel"))
 cancelButton.setIcon(_icon("dialog-cancel"))
 self.dialog.setWindowTitle(_("Release Notes"))
 self.dialog.show()
 if self.new_dist.releaseNotesHtmlUri is not None:
 uri = self._expandUri(self.new_dist.releaseNotesHtmlUri)
 # download/display the release notes
 # TODO: add some progress reporting here
 result = None
 try:
 release_notes = urlopen(uri)
 notes = release_notes.read().decode("UTF-8", "replace")
 self.dialog.scrolled_notes.setText(notes)
 result = self.dialog.exec_()
 except HTTPError:
 primary = "%s" % \
 _("Could not find the release notes")
 secondary = _("The server may be overloaded. ")
 _warning(primary + " " + secondary)
 except IOError:
 primary = "%s" % \
 _("Could not download the release notes")
 secondary = _("Please check your internet connection.")
 _warning(primary + " " + secondary)
 # user clicked cancel
 if result == QDialog.Accepted:
 return True
 return False

class KDEAcquireProgressAdapter(apt.progress.base.AcquireProgress):
    def __init__(self, parent, datadir, label):
        self.app = _ensureQApplication()
        self.dialog = QDialog()

uiFile = os.path.join(datadir, "fetch-progress.ui")
        uic.loadUi(uiFile, self.dialog)
        self.dialog.setWindowTitle(_("Upgrade"))
        self.dialog.installingLabel.setText(label)
        self.dialog.buttonBox.rejected.connect(self.abort)

# This variable is used as return value for AcquireProgress pulses.
        # Setting it to False will abort the Acquire and consequently the
        # entire fetcher.
        self._continue = True

QApplication.processEvents()

def abort(self):
        self._continue = False

def start(self):
        self.dialog.installingLabel.setText(
            _("Downloading additional package files..."))
        self.dialog.installationProgress.setValue(0)
        self.dialog.show()

def stop(self):
        self.dialog.hide()

def pulse(self, owner):
        apt.progress.base.AcquireProgress.pulse(self, owner)
        self.dialog.installationProgress.setValue(
            (self.current_bytes + self.current_items) /
            float(self.total_bytes + self.total_items) * 100)
        current_item = self.current_items + 1
        if current_item > self.total_items:
            current_item = self.total_items
        label_text = _("Downloading additional package files...")
        if self.current_cps > 0:
            label_text += _("File %s of %s at %sB/s") % (
                self.current_items, self.total_items,
                apt_pkg.size_to_str(self.current_cps))
        else:
            label_text += _("File %s of %s") % (
                self.current_items, self.total_items)
        self.dialog.installingLabel.setText(label_text)
        QApplication.processEvents()
        return self._continue

def mediaChange(self, medium, drive):
 msg = _("Please insert '%s' into the drive '%s'") % (medium, drive)
 if type(PYQT_VERSION) == int:
 change = QMessageBox.question(None, _("Media Change"), msg,
 QMessageBox.Ok, QMessageBox.Cancel)
 if change == QMessageBox.Ok:
 return True
 else:
 change = KMessageBox.questionYesNo(None, _("Media Change"),
 _("Media Change") + " " +
 msg, KStandardGuiItem.ok(),
 KStandardGuiItem.cancel())
 if change == KMessageBox.Yes:
 return True
 return False