/usr/share/apt-listchanges/AptListChangesGtk.py is in apt-listchanges 3.10.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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from apt_listchanges import frontend
# check if gtk is available
import gi
gi.require_version('Gtk', '3.0')
from gi.repository import Gtk, GObject, GLib
import sys
from ALChacks import *
class gtk_frd(frontend):
def flush_interface(self):
while Gtk.events_pending():
Gtk.main_iteration()
def cb_close(self, widget):
Gtk.main_quit()
def __init__(self, *args):
super().__init__(*args)
self.builder = Gtk.Builder()
self.builder.set_translation_domain("apt-listchanges")
try:
self.builder.add_from_file("apt-listchanges/apt-listchanges.ui")
except GLib.Error:
self.builder.add_from_file("/usr/share/apt-listchanges/apt-listchanges.ui")
self.window_main = self.builder.get_object("window_main")
handlers = {
"on_button_close_clicked": self.cb_close,
"on_window_main_destroy": self.cb_close,
}
self.progressbar_main = self.builder.get_object("progressbar_main")
self.button_close = self.builder.get_object("button_close")
self.label_header = self.builder.get_object("label_header")
self.label_header_descr = self.builder.get_object("label_header_descr")
self.label_header_descr.hide()
self.textview_buf = self.builder.get_object("textview_main").get_buffer()
self.set_title(_('apt-listchanges: Reading changelogs'))
self.textview_buf.set_text('\n ' + _('Reading changelogs. Please wait.'))
self.builder.connect_signals(handlers)
self.flush_interface()
def display_output(self,text):
self.label_header_descr.show()
self.button_close.set_sensitive(True)
self.textview_buf.set_text(self._render(text))
Gtk.main()
def update_progress(self):
if not hasattr(self,'progress'):
# First call
self.progress = 0.0
self.progressbar_main.show()
self.progress += 1.0
self.progressbar_main.set_fraction(self.progress / self.packages_count)
self.progressbar_main.set_text(("%i%%" % (self.progress*100 / self.packages_count)))
self.flush_interface()
def progress_done(self):
self.progressbar_main.hide()
self.flush_interface()
def confirm(self):
m = Gtk.MessageDialog(self.window_main,
Gtk.DialogFlags.MODAL,
Gtk.MessageType.QUESTION,
Gtk.ButtonsType.YES_NO)
m.set_default_response(Gtk.ResponseType.YES)
m.set_markup("<big><b>%s</b></big>\n\n%s" % (_("Continue Installation?"), _("You can abort the installation if you select 'no'.")))
if m.run() == Gtk.ResponseType.NO:
return False
return True
def set_title(self, text):
self.label_header.set_markup('<big><b>%s</b></big>' % text)
self.window_main.set_title(text)
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