/usr/lib/python3/dist-packages/UpdateManager/backend/InstallBackendAptdaemon.py is in python3-update-manager 1:16.04.3.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 | #!/usr/bin/env python
# -*- Mode: Python; indent-tabs-mode: nil; tab-width: 4; coding: utf-8 -*-
# (c) 2005-2012 Canonical, GPL
# (C) 2008-2009 Sebastian Heinlein <devel@glatzor.de>
from __future__ import print_function
from gi.repository import Gtk
from aptdaemon import client, errors
from defer import inline_callbacks
from aptdaemon.gtk3widgets import (AptCancelButton,
AptConfigFileConflictDialog,
AptDetailsExpander,
AptMediumRequiredDialog,
AptProgressBar)
from aptdaemon.enums import (EXIT_SUCCESS,
EXIT_FAILED,
STATUS_COMMITTING,
get_error_description_from_enum,
get_error_string_from_enum,
get_status_string_from_enum)
from UpdateManager.backend import InstallBackend
from UpdateManager.UnitySupport import UnitySupport
from UpdateManager.Dialogs import BuilderDialog
from gettext import gettext as _
import apt
import dbus
import os
class InstallBackendAptdaemon(InstallBackend, BuilderDialog):
"""Makes use of aptdaemon to refresh the cache and to install updates."""
def __init__(self, window_main, action):
InstallBackend.__init__(self, window_main, action)
ui_path = os.path.join(window_main.datadir,
"gtkbuilder/UpdateProgress.ui")
BuilderDialog.__init__(self, window_main, ui_path,
"pane_update_progress")
self.client = client.AptClient()
self.unity = UnitySupport()
self._expanded_size = None
self.button_cancel = None
def close(self):
if self.button_cancel:
self.button_cancel.clicked()
return True
else:
return False
@inline_callbacks
def update(self):
"""Refresh the package list"""
try:
apt.apt_pkg.pkgsystem_unlock()
except SystemError:
pass
try:
trans = yield self.client.update_cache(defer=True)
yield self._show_transaction(trans, self.ACTION_UPDATE,
_("Checking for updates…"), False)
except errors.NotAuthorizedError:
self._action_done(self.ACTION_UPDATE,
authorized=False, success=False,
error_string=None, error_desc=None)
except:
self._action_done(self.ACTION_UPDATE,
authorized=True, success=False,
error_string=None, error_desc=None)
raise
@inline_callbacks
def commit(self, pkgs_install, pkgs_upgrade):
"""Commit a list of package adds and removes"""
try:
apt.apt_pkg.pkgsystem_unlock()
except SystemError:
pass
try:
reinstall = remove = purge = downgrade = []
trans = yield self.client.commit_packages(
pkgs_install, reinstall, remove, purge, pkgs_upgrade,
downgrade, defer=True)
trans.connect("progress-changed", self._on_progress_changed)
yield self._show_transaction(trans, self.ACTION_INSTALL,
_("Installing updates…"), True)
except errors.NotAuthorizedError as e:
self._action_done(self.ACTION_INSTALL,
authorized=False, success=False,
error_string=None, error_desc=None)
except dbus.DBusException as e:
#print(e, e.get_dbus_name())
if e.get_dbus_name() != "org.freedesktop.DBus.Error.NoReply":
raise
self._action_done(self.ACTION_INSTALL,
authorized=False, success=False,
error_string=None, error_desc=None)
except Exception as e:
self._action_done(self.ACTION_INSTALL,
authorized=True, success=False,
error_string=None, error_desc=None)
raise
def _on_progress_changed(self, trans, progress):
#print("_on_progress_changed", progress)
self.unity.set_progress(progress)
def _on_details_changed(self, trans, details, label_details):
label_details.set_label(details)
def _on_status_changed(self, trans, status, label_details, expander):
label_details.set_label(get_status_string_from_enum(status))
# Also resize the window if we switch from download details to
# the terminal window
if (status == STATUS_COMMITTING and expander and
expander.terminal.get_visible()):
self._resize_to_show_details(expander)
@inline_callbacks
def _show_transaction(self, trans, action, header, show_details):
self.label_header.set_label(header)
progressbar = AptProgressBar(trans)
progressbar.show()
self.progressbar_slot.add(progressbar)
self.button_cancel = AptCancelButton(trans)
if action == self.ACTION_UPDATE:
self.button_cancel.set_label(Gtk.STOCK_STOP)
self.button_cancel.show()
self.button_cancel_slot.add(self.button_cancel)
if show_details:
expander = AptDetailsExpander(trans)
expander.set_vexpand(True)
expander.set_hexpand(True)
expander.show_all()
expander.connect("notify::expanded", self._on_expanded)
self.expander_slot.add(expander)
self.expander_slot.show()
else:
expander = None
trans.connect("status-details-changed", self._on_details_changed,
self.label_details)
trans.connect("status-changed", self._on_status_changed,
self.label_details, expander)
trans.connect("finished", self._on_finished, action)
trans.connect("medium-required", self._on_medium_required)
trans.connect("config-file-conflict", self._on_config_file_conflict)
yield trans.set_debconf_frontend("gnome")
yield trans.run()
def _on_expanded(self, expander, param):
# Make the dialog resizable if the expander is expanded
# try to restore a previous size
if not expander.get_expanded():
self._expanded_size = (expander.terminal.get_visible(),
self.window_main.get_size())
self.window_main.end_user_resizable()
elif self._expanded_size:
term_visible, (stored_width, stored_height) = self._expanded_size
# Check if the stored size was for the download details or
# the terminal widget
if term_visible != expander.terminal.get_visible():
# The stored size was for the download details, so we need
# get a new size for the terminal widget
self._resize_to_show_details(expander)
else:
self.window_main.begin_user_resizable(stored_width,
stored_height)
else:
self._resize_to_show_details(expander)
def _resize_to_show_details(self, expander):
"""Resize the window to show the expanded details.
Unfortunately the expander only expands to the preferred size of the
child widget (e.g showing all 80x24 chars of the Vte terminal) if
the window is rendered the first time and the terminal is also visible.
If the expander is expanded afterwards the window won't change its
size anymore. So we have to do this manually. See LP#840942
"""
if expander.get_expanded():
win_width, win_height = self.window_main.get_size()
exp_width = expander.get_allocation().width
exp_height = expander.get_allocation().height
if expander.terminal.get_visible():
terminal_width = expander.terminal.get_char_width() * 80
terminal_height = expander.terminal.get_char_height() * 24
new_width = terminal_width - exp_width + win_width
new_height = terminal_height - exp_height + win_height
else:
new_width = win_width + 100
new_height = win_height + 200
self.window_main.begin_user_resizable(new_width, new_height)
def _on_medium_required(self, transaction, medium, drive):
dialog = AptMediumRequiredDialog(medium, drive, self.window_main)
res = dialog.run()
dialog.hide()
if res == Gtk.ResponseType.OK:
transaction.provide_medium(medium)
else:
transaction.cancel()
def _on_config_file_conflict(self, transaction, old, new):
dialog = AptConfigFileConflictDialog(old, new, self.window_main)
res = dialog.run()
dialog.hide()
if res == Gtk.ResponseType.YES:
transaction.resolve_config_file_conflict(old, "replace")
else:
transaction.resolve_config_file_conflict(old, "keep")
def _on_finished(self, trans, status, action):
error_string = None
error_desc = None
if status == EXIT_FAILED:
error_string = get_error_string_from_enum(trans.error.code)
error_desc = get_error_description_from_enum(trans.error.code)
# tell unity to hide the progress again
self.unity.set_progress(-1)
is_success = (status == EXIT_SUCCESS)
self._action_done(action,
authorized=True, success=is_success,
error_string=error_string, error_desc=error_desc)
if __name__ == "__main__":
import mock
options = mock.Mock()
data_dir = "/usr/share/update-manager"
from UpdateManager.UpdateManager import UpdateManager
app = UpdateManager(data_dir, options)
b = InstallBackendAptdaemon(app, None)
b.commit(["2vcard"], [])
Gtk.main()
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