FM / DistUpgrade

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

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

Name	Size	Mode	Actions
__pycache__/	-	0755	rm
apt_btrfs_snapshot.py	9873	0644	edit dl rm
apt_clone.py	33593	0644	edit dl rm
dist-upgrade.py	129	0644	edit dl rm
distro.py	23705	0644	edit dl rm
DistUpgradeApport.py	5064	0644	edit dl rm
DistUpgradeAptCdrom.py	12690	0644	edit dl rm
DistUpgradeCache.py	54413	0644	edit dl rm
DistUpgradeConfigParser.py	3837	0644	edit dl rm
DistUpgradeController.py	103835	0644	edit dl rm
DistUpgradeFetcher.py	6009	0644	edit dl rm
DistUpgradeFetcherCore.py	11472	0644	edit dl rm
DistUpgradeFetcherKDE.py	9950	0644	edit dl rm
DistUpgradeFetcherSelf.py	2064	0644	edit dl rm
DistUpgradeGettext.py	3043	0644	edit dl rm
DistUpgradeMain.py	9317	0644	edit dl rm
DistUpgradePatcher.py	4018	0644	edit dl rm
DistUpgradeQuirks.py	46761	0644	edit dl rm
DistUpgradeVersion.py	21	0644	edit dl rm
DistUpgradeView.py	16823	0644	edit dl rm
DistUpgradeViewGtk3.py	34667	0644	edit dl rm
DistUpgradeViewKDE.py	43122	0644	edit dl rm
DistUpgradeViewNonInteractive.py	13862	0644	edit dl rm
DistUpgradeViewText.py	12829	0644	edit dl rm
GtkProgress.py	4020	0644	edit dl rm
MetaRelease.py	17468	0644	edit dl rm
QUrlOpener.py	3321	0644	edit dl rm
ReleaseNotesViewer.py	7658	0644	edit dl rm
ReleaseNotesViewerWebkit.py	2983	0644	edit dl rm
SimpleGtk3builderApp.py	2056	0644	edit dl rm
SimpleGtkbuilderApp.py	2037	0644	edit dl rm
telemetry.py	3478	0644	edit dl rm
utils.py	18349	0644	edit dl rm
xorg_fix_proprietary.py	4083	0644	edit dl rm
__init__.py	0	0644	edit dl rm

Edit: /usr/lib/python3/dist-packages/DistUpgrade/ReleaseNotesViewerWebkit.py (2983B)

# ReleaseNotesViewer.py
# -*- Mode: Python; indent-tabs-mode: nil; tab-width: 4; coding: utf-8 -*-
#
#  Copyright (c) 2011 Canonical
#
#  Author: Michael Vogt <mvo@ubutnu.com>
#
#  This modul provides an inheritance of the Gtk.TextView that is
#  aware of http URLs and allows to open them in a browser.
#  It is based on the pygtk-demo "hypertext".
#
#  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

from .ReleaseNotesViewer import open_url

from gi.repository import Gtk

webkit2 = False
try:
    import gi
    gi.require_version("WebKit2", "4.0")
    from gi.repository import WebKit2 as WebKit
    webkit2 = True
except ImportError:
    from gi.repository import WebKit

class ReleaseNotesViewerWebkit(WebKit.WebView):
    def __init__(self, notes_url):
        super(ReleaseNotesViewerWebkit, self).__init__()
        self.load_uri(notes_url)
        if webkit2:
            self.connect("decide-policy",
                         self._on_decide_policy)
        else:
            self.connect("navigation-policy-decision-requested",
                         self._on_navigation_policy_decision_requested)

def _on_navigation_policy_decision_requested(self, view, frame,
                                                 request, action, policy):
        open_url(request.get_uri())
        policy.ignore()
        return True

def _on_decide_policy(self, web_view, decision, decision_type):
        if decision_type == WebKit.PolicyDecisionType.NAVIGATION_ACTION:
            navigation_action = decision.get_navigation_action()
            navigation_request = navigation_action.get_request()
            navigation_type = navigation_action.get_navigation_type()

if navigation_type == WebKit.NavigationType.LINK_CLICKED:
                uri = navigation_request.get_uri()
                open_url(uri)
                decision.ignore()
                return True

return False

if __name__ == "__main__":
    win = Gtk.Window()
    win.set_size_request(600, 400)
    scroll = Gtk.ScrolledWindow()
    rv = ReleaseNotesViewerWebkit("http://archive.ubuntu.com/ubuntu/dists/"
                                  "devel/main/dist-upgrader-all/current/"
                                  "ReleaseAnnouncement.html")
    scroll.add(rv)
    win.add(scroll)
    win.show_all()
    Gtk.main()

cmd: