Current File : //lib/python3/dist-packages/UpdateManager/UpdatesAvailable.py
# UpdatesAvailable.py
# -*- Mode: Python; indent-tabs-mode: nil; tab-width: 4; coding: utf-8 -*-
#
# Copyright (c) 2004-2013 Canonical
# 2004 Michiel Sikkes
# 2005 Martin Willemoes Hansen
# 2010 Mohamed Amine IL Idrissi
#
# Author: Michiel Sikkes <michiel@eyesopened.nl>
# Michael Vogt <mvo@debian.org>
# Martin Willemoes Hansen <mwh@sysrq.dk>
# Mohamed Amine IL Idrissi <ilidrissiamine@gmail.com>
# Alex Launi <alex.launi@canonical.com>
# Michael Terry <michael.terry@canonical.com>
# Dylan McCall <dylanmccall@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, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
# USA
import gi
gi.require_version("Gtk", "3.0")
from gi.repository import GLib
from gi.repository import Gtk
from gi.repository import Gdk
from gi.repository import GObject
from gi.repository import Gio
from gi.repository import Pango
import warnings
warnings.filterwarnings(
"ignore", "Accessed deprecated property", DeprecationWarning
)
import apt_pkg
import os
import re
import logging
import time
import threading
from gettext import gettext as _
from gettext import ngettext
from .Core.utils import humanize_size, SoftwarePropertiesPage
from .Core.AlertWatcher import AlertWatcher
from .Core.UpdateList import UpdateSystemGroup
from .Dialogs import InternalDialog
from DistUpgrade.DistUpgradeCache import NotEnoughFreeSpaceError
from .ChangelogViewer import ChangelogViewer
from .UnitySupport import UnitySupport
# import pdb
# FIXME:
# - kill "all_changes" and move the changes into the "Update" class
# - screen reader does not read update toggle state
# - screen reader does not say "Downloaded" for downloaded updates
# list constants
(
LIST_NAME,
LIST_UPDATE_DATA,
LIST_SIZE,
LIST_TOGGLE_ACTIVE,
LIST_SENSITIVE,
) = range(5)
# NetworkManager enums
from .Core.roam import NetworkManagerHelper
class UpdateData:
def __init__(self, groups, group, item):
self.groups = groups if groups else []
self.group = group
self.item = item
class CellAreaPackage(Gtk.CellAreaBox):
"""This CellArea lays our package cells side by side, without allocating
width for a cell if it isn't present (like icons for header labels).
We assume that the last cell should be expanded to fill remaining space,
and other cells have a fixed width.
"""
def __init__(self, indent_toplevel=False):
Gtk.CellAreaBox.__init__(self)
self.indent_toplevel = indent_toplevel
self.column = None
self.cached_cell_size = {}
def do_foreach_alloc(
self, context, widget, cell_area_in, bg_area_in, callback
):
cells = []
def gather(cell, data):
cells.append(cell)
self.foreach(gather, None)
cell_is_hidden = {}
# Record the space required by each cell
for cell_number, cell in enumerate(cells):
# Detect if this cell should be allocated space
if isinstance(cell, Gtk.CellRendererPixbuf):
gicon = cell.get_property("gicon")
hide_cell = gicon is None
else:
hide_cell = False
cell_is_hidden[cell_number] = hide_cell
if not hide_cell and cell_number not in self.cached_cell_size:
min_size, natural_size = cell.get_preferred_width(widget)
self.cached_cell_size[cell_number] = natural_size
cell_area = cell_area_in.copy()
bg_area = bg_area_in.copy()
spacing = self.get_property("spacing")
cell_start = self.get_cell_start(widget)
orig_end = cell_area.width + cell_area.x
cur_path = self.get_current_path_string()
depth = Gtk.TreePath.new_from_string(cur_path).get_depth()
# And finally, start handling each cell
extra_cell_width = 0
cell_area.x = cell_start
cell_area.width = 0
last_cell_number = len(cells) - 1
for cell_number, cell in enumerate(cells):
is_last_cell = cell_number == last_cell_number
cell_size = self.cached_cell_size.get(cell_number, 0)
if cell_area.width > 0 and extra_cell_width == 0:
cell_area.x += cell_area.width + spacing
if cell_number == 0:
# The first cell is affected by its depth in the tree
if not cell_is_hidden[1] and self.indent_toplevel:
# if not a header, align with header rows
depth += 1
if depth > 1:
indent = max(0, depth - 1)
indent_size = cell_size * indent
if depth == 2:
indent_extra = spacing
elif depth == 3:
indent_extra = spacing + 1
else:
indent_extra = spacing * indent
cell_area.x += indent_size + indent_extra
if is_last_cell:
cell_size = max(cell_size, orig_end - cell_area.x)
if not cell_is_hidden[cell_number]:
cell_area.width = cell_size + extra_cell_width
extra_cell_width = 0
else:
cell_area.width = 0
extra_cell_width = cell_size + spacing
if callback(cell, cell_area.copy(), bg_area.copy()):
return
def do_event(self, context, widget, event, cell_area, flags):
# This override is just to trick our parent implementation into
# allowing clicks on toggle cells when they are where the expanders
# usually are. It doesn't expect that, so we expand the cell_area
# here to be equivalent to bg_area.
cell_start = self.get_cell_start(widget)
cell_area.width = cell_area.width + cell_area.x - cell_start
cell_area.x = cell_start
return Gtk.CellAreaBox.do_event(
self, context, widget, event, cell_area, flags
)
def get_cell_start(self, widget):
if not self.column:
return 0
else:
val = GObject.Value()
val.init(int)
widget.style_get_property("horizontal-separator", val)
h_sep = val.get_int()
widget.style_get_property("grid-line-width", val)
line_width = val.get_int()
cell_start = self.column.get_x_offset() - h_sep - line_width
if not self.indent_toplevel: # i.e. if no headers
widget.style_get_property("expander-size", val)
spacing = self.get_property("spacing")
# Hardcode 4 because GTK+ hardcodes 4 internally
cell_start = cell_start + val.get_int() + 4 + spacing
return cell_start
class UpdatesAvailable(InternalDialog):
APP_INSTALL_ICONS_PATH = "/usr/share/app-install/icons"
def __init__(self, window_main, header=None, desc=None, need_reboot=False):
InternalDialog.__init__(self, window_main)
self.window_main = window_main
self.datadir = window_main.datadir
self.cache = window_main.cache
self.custom_header = header
self.custom_desc = desc
self.need_reboot = need_reboot
content_ui_path = os.path.join(
self.datadir, "gtkbuilder/UpdateManager.ui"
)
self._load_ui(content_ui_path, "pane_updates_available")
self.set_content_widget(self.pane_updates_available)
self.dl_size = 0
self.connected = True
# Used for inhibiting power management
self.sleep_cookie = None
self.settings = Gio.Settings.new("com.ubuntu.update-manager")
# Special icon theme for looking up app-install-data icons
self.app_icons = Gtk.IconTheme.get_default()
self.app_icons.append_search_path(self.APP_INSTALL_ICONS_PATH)
# Create Unity launcher quicklist
# FIXME: instead of passing parent we really should just send signals
self.unity = UnitySupport(parent=self)
# setup the help viewer and disable the help button if there
# is no viewer available
# self.help_viewer = HelpViewer("update-manager")
# if self.help_viewer.check() == False:
# self.button_help.set_sensitive(False)
self.add_settings_button()
self.button_close = self.add_button(
Gtk.STOCK_CANCEL, self.window_main.close
)
self.button_pro = self.add_button(
_("Enable Ubuntu Pro..."), self.on_button_pro_clicked
)
self.button_install = self.add_button(
_("Install Now"), self.on_button_install_clicked
)
self.focus_button = self.button_install
# create text view
self.textview_changes = ChangelogViewer()
self.textview_changes.set_wrap_mode(Gtk.WrapMode.WORD)
self.textview_changes.show()
self.scrolledwindow_changes.add(self.textview_changes)
changes_buffer = self.textview_changes.get_buffer()
changes_buffer.create_tag("versiontag", weight=Pango.Weight.BOLD)
changes_buffer.create_tag("changestag", weight=Pango.Weight.BOLD)
changes_buffer.create_tag("descriptiontag", weight=Pango.Weight.BOLD)
# the treeview (move into it's own code!)
self.store = Gtk.TreeStore(str, GObject.TYPE_PYOBJECT, str, bool, bool)
self.treeview_update.set_model(None)
self.image_restart.set_from_gicon(
self.get_restart_icon(), Gtk.IconSize.BUTTON
)
restart_icon_renderer = Gtk.CellRendererPixbuf()
restart_icon_renderer.set_property("xpad", 4)
restart_icon_renderer.set_property("ypad", 2)
restart_icon_renderer.set_property("stock-size", Gtk.IconSize.MENU)
restart_icon_renderer.set_property("follow-state", True)
restart_column = Gtk.TreeViewColumn(None, restart_icon_renderer)
restart_column.set_sizing(Gtk.TreeViewColumnSizing.FIXED)
restart_column.set_fixed_width(20)
self.treeview_update.append_column(restart_column)
restart_column.set_cell_data_func(
restart_icon_renderer, self.restart_icon_renderer_data_func
)
self.pkg_cell_area = CellAreaPackage(False)
pkg_column = Gtk.TreeViewColumn.new_with_area(self.pkg_cell_area)
self.pkg_cell_area.column = pkg_column
pkg_column.set_title(_("Install or remove"))
pkg_column.set_property("spacing", 4)
pkg_column.set_expand(True)
self.treeview_update.append_column(pkg_column)
pkg_toggle_renderer = Gtk.CellRendererToggle()
pkg_toggle_renderer.set_property("ypad", 2)
pkg_toggle_renderer.connect("toggled", self.on_update_toggled)
pkg_column.pack_start(pkg_toggle_renderer, False)
pkg_column.add_attribute(
pkg_toggle_renderer, "active", LIST_TOGGLE_ACTIVE
)
pkg_column.add_attribute(
pkg_toggle_renderer, "sensitive", LIST_SENSITIVE
)
pkg_column.set_cell_data_func(
pkg_toggle_renderer, self.pkg_toggle_renderer_data_func
)
pkg_icon_renderer = Gtk.CellRendererPixbuf()
pkg_icon_renderer.set_property("ypad", 2)
pkg_icon_renderer.set_property("stock-size", Gtk.IconSize.MENU)
pkg_column.pack_start(pkg_icon_renderer, False)
pkg_column.set_cell_data_func(
pkg_icon_renderer, self.pkg_icon_renderer_data_func
)
pkg_label_renderer = Gtk.CellRendererText()
pkg_label_renderer.set_property("ypad", 2)
pkg_label_renderer.set_property("ellipsize", Pango.EllipsizeMode.END)
pkg_column.pack_start(pkg_label_renderer, True)
pkg_column.set_cell_data_func(
pkg_label_renderer, self.pkg_label_renderer_data_func
)
size_renderer = Gtk.CellRendererText()
size_renderer.set_property("xpad", 6)
size_renderer.set_property("ypad", 0)
size_renderer.set_property("xalign", 1)
# 1.0/1.2 == PANGO.Scale.SMALL. Constant is not (yet) introspected.
size_renderer.set_property("scale", 1.0 / 1.2)
size_column = Gtk.TreeViewColumn(
_("Download"), size_renderer, text=LIST_SIZE
)
size_column.set_sizing(Gtk.TreeViewColumnSizing.AUTOSIZE)
size_column.add_attribute(size_renderer, "sensitive", LIST_SENSITIVE)
self.treeview_update.append_column(size_column)
self.treeview_update.set_headers_visible(True)
self.treeview_update.set_headers_clickable(False)
self.treeview_update.set_direction(Gtk.TextDirection.LTR)
self.treeview_update.set_fixed_height_mode(False)
self.treeview_update.set_expander_column(pkg_column)
self.treeview_update.set_search_column(LIST_NAME)
self.treeview_update.connect(
"button-press-event", self.on_treeview_button_press
)
# init show version
self.show_versions = self.settings.get_boolean("show-versions")
# init summary_before_name
self.summary_before_name = self.settings.get_boolean(
"summary-before-name"
)
# expander
self.expander_details.set_expanded(
self.settings.get_boolean("show-details")
)
self.expander_details.connect("activate", self.pre_activate_details)
self.expander_details.connect(
"notify::expanded", self.activate_details
)
# If auto-updates are on, change cancel label
self.notifier_settings = Gio.Settings.new("com.ubuntu.update-notifier")
self.notifier_settings.connect(
"changed::auto-launch", lambda s, p: self.update_close_button()
)
self.update_close_button()
# Alert watcher
self.alert_watcher = AlertWatcher()
self.alert_watcher.connect("network-alert", self._on_network_alert)
self.alert_watcher.connect("battery-alert", self._on_battery_alert)
self.alert_watcher.connect(
"network-3g-alert", self._on_network_3g_alert
)
try:
from uaclient.api.u.apt_news.current_news.v1 import current_news
apt_news = current_news().current_news
except ImportError:
apt_news = self._get_apt_news(
"/var/lib/ubuntu-advantage/messages/apt-news"
)
if apt_news:
self.news.get_buffer().set_text(apt_news)
self.expander_news.set_visible(True)
def stop(self):
InternalDialog.stop(self)
self._save_state()
def start(self):
InternalDialog.start(self)
self.set_update_list(self.window_main.update_list)
self.alert_watcher.check_alert_state()
self._restore_state()
def is_auto_update(self):
update_days = apt_pkg.config.find_i(
"APT::Periodic::Update-Package-Lists"
)
return update_days >= 1
def update_close_button(self):
if self.is_auto_update():
self.button_close.set_label(_("_Remind Me Later"))
self.button_close.set_use_stock(False)
self.button_close.set_use_underline(True)
else:
self.button_close.set_label(Gtk.STOCK_CANCEL)
self.button_close.set_use_stock(True)
self.button_close.set_use_underline(False)
def install_all_updates(self, menu, menuitem, data):
self.select_all_upgrades(None)
self.on_button_install_clicked()
def pkg_requires_restart(self, pkg):
if pkg is None or pkg.candidate is None:
return False
restart_condition = pkg.candidate.record.get("Restart-Required")
return restart_condition == "system"
def get_restart_icon(self):
# FIXME: Non-standard, incorrect icon name (from app category).
# Theme support for what we want seems to be lacking.
restart_icon_names = [
"view-refresh-symbolic",
"system-restart",
"system-reboot",
]
return Gio.ThemedIcon.new_from_names(restart_icon_names)
def restart_icon_renderer_data_func(
self, cell_layout, renderer, model, iter, user_data
):
data = model.get_value(iter, LIST_UPDATE_DATA)
sensitive = model.get_value(iter, LIST_SENSITIVE)
path = model.get_path(iter)
renderer.set_sensitive(sensitive)
requires_restart = False
if data.item and data.item.pkg:
requires_restart = self.pkg_requires_restart(data.item.pkg)
elif data.group:
if not self.treeview_update.row_expanded(path):
# A package in the group requires restart
for group_item in data.group.items:
if group_item.pkg and self.pkg_requires_restart(
group_item.pkg
):
requires_restart = True
break
if requires_restart:
gicon = self.get_restart_icon()
else:
gicon = None
renderer.set_property("gicon", gicon)
def pkg_toggle_renderer_data_func(
self, cell_layout, renderer, model, iter, user_data
):
data = model.get_value(iter, LIST_UPDATE_DATA)
activatable = False
inconsistent = False
if data.item:
activatable = data.item.pkg.name not in self.list.held_back
inconsistent = False
renderer.set_sensitive(data.item.sensitive)
elif data.group:
activatable = True
inconsistent = data.group.selection_is_inconsistent()
elif data.groups:
activatable = True
inconsistent = False
saw_install = None
for group in data.groups:
for item in group.items:
this_install = item.is_selected()
if saw_install is not None and saw_install != this_install:
inconsistent = True
break
saw_install = this_install
if inconsistent:
break
# The "active" attribute is already set via LIST_TOGGLE_ACTIVE in the
# tree model, so we don't set it here.
renderer.set_property("activatable", activatable)
renderer.set_property("inconsistent", inconsistent)
def pkg_icon_renderer_data_func(
self, cell_layout, renderer, model, iter, user_data
):
data = model.get_value(iter, LIST_UPDATE_DATA)
gicon = None
if data.group:
gicon = self.get_app_install_icon(data.group.icon)
elif data.item:
gicon = self.get_app_install_icon(data.item.icon)
renderer.set_property("gicon", gicon)
def get_app_install_icon(self, icon):
"""Any application icon is coming from app-install-data's desktop
files, which refer to icons from app-install-data's icon directory.
So we look them up here."""
if not isinstance(icon, Gio.ThemedIcon):
return icon # shouldn't happen
info = self.app_icons.choose_icon(
icon.get_names(), 16, Gtk.IconLookupFlags.FORCE_SIZE
)
if info is not None:
return Gio.FileIcon.new(Gio.File.new_for_path(info.get_filename()))
else:
return icon # Assume it's in one of the user's themes
def pkg_label_renderer_data_func(
self, cell_layout, renderer, model, iter, user_data
):
data = model.get_value(iter, LIST_UPDATE_DATA)
sensitive = model.get_value(iter, LIST_SENSITIVE)
name = GLib.markup_escape_text(model.get_value(iter, LIST_NAME))
renderer.set_sensitive(sensitive)
if data.group:
markup = name
elif data.item:
markup = name
else: # header
markup = "<b>%s</b>" % name
renderer.set_property("markup", markup)
def set_changes_buffer(self, changes_buffer, long_desc, text, name,
srcpkg):
changes_buffer.set_text("") # Clear "downloading list of changes..."
# Write the technical description section
changes_buffer.insert_with_tags_by_name(changes_buffer.get_end_iter(),
"Technical description\n",
"descriptiontag")
changes_buffer.insert(changes_buffer.get_end_iter(),
long_desc + "\n\n")
# Write the changes section
lines = text.split("\n")
if len(lines) == 1:
changes_buffer.set_text(text)
return
for line in lines:
end_iter = changes_buffer.get_end_iter()
version_match = re.match(
r"^%s \((.*)\)(.*)\;.*$" % re.escape(srcpkg), line
)
# bullet_match = re.match("^.*[\*-]", line)
author_match = re.match("^.*--.*<.*@.*>.*$", line)
changes_match = re.match(r'^Changes for [^ ]+ versions:$', line)
if version_match:
version = version_match.group(1)
# upload_archive = version_match.group(2).strip()
version_text = _("Version %s: \n") % version
changes_buffer.insert_with_tags_by_name(
end_iter, version_text, "versiontag"
)
elif changes_match:
changes_buffer.insert_with_tags_by_name(
end_iter, line + "\n", "changestag"
)
elif author_match:
pass
else:
changes_buffer.insert(end_iter, line + "\n")
def on_treeview_update_cursor_changed(self, widget):
path = widget.get_cursor()[0]
# check if we have a path at all
if path is None:
return
model = widget.get_model()
iter = model.get_iter(path)
# set descr
data = model.get_value(iter, LIST_UPDATE_DATA)
item = data.item
if (
item is None
and data.group is not None
and data.group.core_item is not None
):
item = data.group.core_item
if (
item is None
or item.pkg is None
or item.pkg.candidate is None
or item.pkg.candidate.description is None
):
changes_buffer = self.textview_changes.get_buffer()
changes_buffer.set_text("")
return
long_desc = item.pkg.candidate.description
# do some regular expression magic on the description
# Add a newline before each bullet
p = re.compile(r"^(\s|\t)*(\*|0|-)", re.MULTILINE)
long_desc = p.sub("\n*", long_desc)
# replace all newlines by spaces
p = re.compile(r"\n", re.MULTILINE)
long_desc = p.sub(" ", long_desc)
# replace all multiple spaces by newlines
p = re.compile(r"\s\s+", re.MULTILINE)
long_desc = p.sub("\n", long_desc)
long_desc = "Package: %s\n%s" % (item.pkg.name, long_desc)
# now do the changelog
name = item.pkg.name
if name is None:
return
changes_buffer = self.textview_changes.get_buffer()
# check if we have the changes already and if so, display them
# (even if currently disconnected)
if name in self.cache.all_changes:
changes = self.cache.all_changes[name]
srcpkg = self.cache[name].candidate.source_name
self.set_changes_buffer(changes_buffer, long_desc, changes, name,
srcpkg)
# if not connected, do not even attempt to get the changes
elif not self.connected:
changes_buffer.set_text(
_(
"No network connection detected, you can not download "
"changelog information."
)
)
# else, get it from the entwork
elif self.expander_details.get_expanded():
lock = threading.Lock()
lock.acquire()
changelog_thread = threading.Thread(
target=self.cache.get_news_and_changelog, args=(name, lock)
)
changelog_thread.start()
changes_buffer.set_text(
"%s\n" % _("Downloading list of changes...")
)
iter = changes_buffer.get_iter_at_line(1)
anchor = changes_buffer.create_child_anchor(iter)
button = Gtk.Button(stock="gtk-cancel")
self.textview_changes.add_child_at_anchor(button, anchor)
button.show()
id = button.connect(
"clicked", lambda w, lock: lock.release(), lock
)
# wait for the dl-thread
while lock.locked():
time.sleep(0.01)
while Gtk.events_pending():
Gtk.main_iteration()
# download finished (or canceld, or time-out)
button.hide()
if button.handler_is_connected(id):
button.disconnect(id)
# check if we still are in the right pkg (the download may have taken
# some time and the user may have clicked on a new pkg)
now_path = widget.get_cursor()[0]
if now_path is None:
return
if path != now_path:
return
# display NEWS.Debian first, then the changelog
changes = ""
srcpkg = self.cache[name].candidate.source_name
if name in self.cache.all_news:
changes += self.cache.all_news[name]
if name in self.cache.all_changes:
changes += self.cache.all_changes[name]
if changes or long_desc:
self.set_changes_buffer(changes_buffer, long_desc, changes, name,
srcpkg)
def on_treeview_button_press(self, widget, event):
"""
Show a context menu if a right click was performed on an update entry
"""
if event.type == Gdk.EventType.BUTTON_PRESS and event.button == 3:
# need to keep a reference here of menu, otherwise it gets
# deleted when it goes out of scope and no menu is visible
# (bug #806949)
self.menu = menu = Gtk.Menu()
item_select_none = Gtk.MenuItem.new_with_mnemonic(
_("_Deselect All")
)
item_select_none.connect("activate", self.select_none_upgrades)
menu.append(item_select_none)
num_updates = self.cache.install_count + self.cache.del_count
if num_updates == 0:
item_select_none.set_property("sensitive", False)
item_select_all = Gtk.MenuItem.new_with_mnemonic(_("Select _All"))
item_select_all.connect("activate", self.select_all_upgrades)
menu.append(item_select_all)
menu.show_all()
menu.popup_for_device(
None, None, None, None, None, event.button, event.time
)
menu.show()
return True
def _get_apt_news(self, apt_news_file):
if os.access(apt_news_file, os.R_OK):
with open(apt_news_file) as f:
return f.read()
# we need this for select all/unselect all
def _toggle_group_headers(self, new_selection_value):
"""small helper that will set/unset the group headers"""
model = self.treeview_update.get_model()
for row in model:
data = model.get_value(row.iter, LIST_UPDATE_DATA)
if data.groups is not None or data.group is not None:
model.set_value(
row.iter, LIST_TOGGLE_ACTIVE, new_selection_value
)
def select_all_upgrades(self, widget):
"""
Select all updates
"""
self.setBusy(True)
self.cache.saveDistUpgrade()
self._toggle_group_headers(True)
self.treeview_update.queue_draw()
self.updates_changed()
self.setBusy(False)
def select_none_upgrades(self, widget):
"""
Select none updates
"""
self.setBusy(True)
self.cache.clear()
self._toggle_group_headers(False)
self.treeview_update.queue_draw()
self.updates_changed()
self.setBusy(False)
def setBusy(self, flag):
"""Show a watch cursor if the app is busy for more than 0.3 sec.
Furthermore provide a loop to handle user interface events"""
if self.window_main.get_window() is None:
return
if flag:
self.window_main.get_window().set_cursor(
Gdk.Cursor.new(Gdk.CursorType.WATCH)
)
else:
self.window_main.get_window().set_cursor(None)
while Gtk.events_pending():
Gtk.main_iteration()
def _mark_selected_updates(self):
def foreach_cb(model, path, iter, data):
data = model.get_value(iter, LIST_UPDATE_DATA)
active = False
if data.item:
active = data.item.is_selected()
elif data.group:
active = data.group.packages_are_selected()
elif data.groups:
active = any([g.packages_are_selected() for g in data.groups])
model.set_value(iter, LIST_TOGGLE_ACTIVE, active)
self.store.foreach(foreach_cb, None)
def _check_for_required_restart(self):
requires_restart = False
def foreach_cb(model, path, iter, data):
data = model.get_value(iter, LIST_UPDATE_DATA)
active = model.get_value(iter, LIST_TOGGLE_ACTIVE)
if not active:
return
pkg = None
if data.item:
pkg = data.item.pkg
elif data.group and data.group.core_item:
pkg = data.group.core_item.pkg
if pkg and self.pkg_requires_restart(pkg):
nonlocal requires_restart
requires_restart = True
self.store.foreach(foreach_cb, None)
self.hbox_restart.set_visible(requires_restart)
def _refresh_updates_count(self):
self.button_install.set_sensitive(
self.cache.install_count + self.cache.del_count
)
try:
inst_count = self.cache.install_count + self.cache.del_count
self.dl_size = self.cache.required_download
download_str = ""
if self.dl_size != 0:
download_str = _("%s will be downloaded.") % (
humanize_size(self.dl_size)
)
self.image_downsize.set_sensitive(True)
# do not set the buttons to sensitive/insensitive until NM
# can deal with dialup connections properly
# if self.alert_watcher.network_state != NM_STATE_CONNECTED:
# self.button_install.set_sensitive(False)
# else:
# self.button_install.set_sensitive(True)
self.button_install.set_sensitive(True)
self.unity.set_install_menuitem_visible(True)
self.button_pro.destroy()
else:
if inst_count > 0:
download_str = ngettext(
"The update has already been downloaded.",
"The updates have already been downloaded.",
inst_count,
)
self.button_install.set_sensitive(True)
self.unity.set_install_menuitem_visible(True)
self.button_pro.destroy()
elif (self.list.ubuntu_pro_fake_groups
and not self.list.ubuntu_pro_groups):
download_str = _("You need to enable Ubuntu Pro to install"
" these updates.")
self.button_install.destroy()
else:
download_str = _("There are no updates to install.")
self.button_install.set_sensitive(False)
self.unity.set_install_menuitem_visible(False)
self.button_pro.destroy()
self.image_downsize.set_sensitive(False)
self.label_downsize.set_text(download_str)
self.hbox_downsize.show()
self.vbox_alerts.show()
except SystemError as e:
print("required_download could not be calculated: %s" % e)
self.label_downsize.set_markup(_("Unknown download size."))
self.image_downsize.set_sensitive(False)
self.hbox_downsize.show()
self.vbox_alerts.show()
def updates_changed(self):
self._mark_selected_updates()
self._check_for_required_restart()
self._refresh_updates_count()
def update_count(self):
"""activate or disable widgets and show dialog texts corresponding to
the number of available updates"""
self.updates_changed()
text_header = None
text_desc = None
if self.custom_header is not None:
text_header = self.custom_header
if self.custom_desc is not None:
text_desc = self.custom_desc
# show different text on first run (UX team suggestion)
elif self.settings.get_boolean("first-run"):
flavor = self.window_main.meta_release.flavor_name
version = self.window_main.meta_release.current_dist_version
text_header = _(
"Updated software has been issued since %s %s "
"was released. Do you want to install it now?"
) % (flavor, version)
self.settings.set_boolean("first-run", False)
else:
text_header = _(
"Updated software is available for this "
"computer. Do you want to install it now?"
)
if not self.hbox_restart.get_visible() and self.need_reboot:
text_desc = _(
"The computer also needs to restart "
"to finish installing previous updates."
)
self.treeview_update.set_sensitive(True)
self.set_header(text_header)
self.set_desc(text_desc)
return True
# Before we shrink the window, capture the size
def pre_activate_details(self, expander):
expanded = self.expander_details.get_expanded()
if expanded:
self._save_state()
def activate_details(self, expander, data):
expanded = self.expander_details.get_expanded()
self.settings.set_boolean("show-details", expanded)
if expanded:
self.on_treeview_update_cursor_changed(self.treeview_update)
self._restore_state()
def activate_desc(self, expander, data):
return
def on_button_pro_clicked(self):
self.window_main.show_settings(SoftwarePropertiesPage.ubuntu_pro)
def on_button_install_clicked(self):
self.unity.set_install_menuitem_visible(False)
# print("on_button_install_clicked")
err_sum = _("Not enough free disk space")
err_msg = _(
"The upgrade needs a total of %s free space on disk '%s'. "
"Please free at least an additional %s of disk space on '%s'. %s"
)
# specific ways to resolve lack of free space
remedy_archivedir = _(
"Remove temporary packages of former "
"installations using 'sudo apt clean'."
)
remedy_boot = _(
"You can remove old kernels using 'sudo apt autoremove', and you "
"could also set COMPRESS=xz in /etc/initramfs-tools/initramfs.conf"
" to reduce the size of your initramfs."
)
remedy_root = _(
"Empty your trash and remove temporary packages "
"of former installations using 'sudo apt clean'."
)
remedy_tmp = _("Reboot to clean up files in /tmp.")
remedy_usr = _("")
# check free space and error if its not enough
try:
self.cache.checkFreeSpace()
except NotEnoughFreeSpaceError as e:
# CheckFreeSpace examines where packages are cached
archivedir = apt_pkg.config.find_dir("Dir::Cache::archives")
err_long = ""
for req in e.free_space_required_list:
if err_long != "":
err_long += " "
if req.dir == archivedir:
err_long += err_msg % (
req.size_total,
req.dir,
req.size_needed,
req.dir,
remedy_archivedir,
)
elif req.dir == "/boot":
err_long += err_msg % (
req.size_total,
req.dir,
req.size_needed,
req.dir,
remedy_boot,
)
elif req.dir == "/":
err_long += err_msg % (
req.size_total,
req.dir,
req.size_needed,
req.dir,
remedy_root,
)
elif req.dir == "/tmp":
err_long += err_msg % (
req.size_total,
req.dir,
req.size_needed,
req.dir,
remedy_tmp,
)
elif req.dir == "/usr":
err_long += err_msg % (
req.size_total,
req.dir,
req.size_needed,
req.dir,
remedy_usr,
)
self.window_main.start_error(False, err_sum, err_long)
return
except SystemError:
logging.exception("free space check failed")
self.window_main.start_install()
def _on_network_alert(self, watcher, state):
# do not set the buttons to sensitive/insensitive until NM
# can deal with dialup connections properly
if state in NetworkManagerHelper.NM_STATE_CONNECTING_LIST:
self.label_offline.set_text(_("Connecting..."))
self.updates_changed()
self.hbox_offline.show()
self.vbox_alerts.show()
self.connected = False
# in doubt (STATE_UNKNOWN), assume connected
elif (
state in NetworkManagerHelper.NM_STATE_CONNECTED_LIST
or state == NetworkManagerHelper.NM_STATE_UNKNOWN
):
self.updates_changed()
self.hbox_offline.hide()
self.connected = True
# trigger re-showing the current app to get changelog info (if
# needed)
self.on_treeview_update_cursor_changed(self.treeview_update)
else:
self.connected = False
self.label_offline.set_text(
_(
"You may not be able to check for "
"updates or download new updates."
)
)
self.updates_changed()
self.hbox_offline.show()
self.vbox_alerts.show()
def _on_battery_alert(self, watcher, on_battery):
if on_battery:
self.hbox_battery.show()
self.vbox_alerts.show()
else:
self.hbox_battery.hide()
def _on_network_3g_alert(self, watcher, on_3g, is_roaming):
# print("on 3g: %s; roaming: %s" % (on_3g, is_roaming))
if is_roaming:
self.hbox_roaming.show()
self.hbox_on_3g.hide()
elif on_3g:
self.hbox_on_3g.show()
self.hbox_roaming.hide()
else:
self.hbox_on_3g.hide()
self.hbox_roaming.hide()
def on_update_toggled(self, renderer, path):
"""a toggle button in the listview was toggled"""
iter = self.store.get_iter(path)
data = self.store.get_value(iter, LIST_UPDATE_DATA)
# make sure that we don't allow to toggle deactivated updates
# this is needed for the call by the row activation callback
if data.groups:
self.toggle_from_items(
[item for group in data.groups for item in group.items]
)
elif data.group:
self.toggle_from_items(data.group.items)
else:
self.toggle_from_items([data.item])
def on_treeview_update_row_activated(self, treeview, path, column, *args):
"""
If an update row was activated (by pressing space), toggle the
install check box
"""
self.on_update_toggled(None, path)
def toggle_from_items(self, items):
self.setBusy(True)
actiongroup = apt_pkg.ActionGroup(self.cache._depcache)
# Deselect all updates if any are selected
keep_packages = any([item.is_selected() for item in items])
for item in items:
try:
if keep_packages:
item.pkg.mark_keep()
elif item.pkg.name not in self.list.held_back:
if not item.to_remove:
item.pkg.mark_install()
else:
item.pkg.mark_delete()
except SystemError:
pass
# check if we left breakage
if self.cache._depcache.broken_count:
Fix = apt_pkg.ProblemResolver(self.cache._depcache)
Fix.resolve_by_keep()
self.updates_changed()
self.treeview_update.queue_draw()
del actiongroup
self.setBusy(False)
def _save_state(self):
"""save the state (window-size for now)"""
if self.expander_details.get_expanded():
(w, h) = self.window_main.get_size()
self.settings.set_int("window-width", w)
self.settings.set_int("window-height", h)
def _restore_state(self):
"""restore the state (window-size for now)"""
w = self.settings.get_int("window-width")
h = self.settings.get_int("window-height")
expanded = self.expander_details.get_expanded()
if expanded:
self.window_main.begin_user_resizable(w, h)
else:
self.window_main.end_user_resizable()
return False
def _add_header(self, name, groups, sensitive=True):
total_size = 0
for group in groups:
total_size = total_size + group.get_total_size()
header_row = [
name,
UpdateData(groups, None, None),
humanize_size(total_size),
True,
sensitive,
]
return self.store.append(None, header_row)
def _add_groups(self, groups):
# Each row contains:
# row label (for screen reader),
# update data tuple (is_toplevel, group object, package object),
# update size,
# update selection state
for group in groups:
if not group.items:
continue
group_is_item = None
if (
not isinstance(group, UpdateSystemGroup)
and len(group.items) == 1
):
group_is_item = group.items[0]
if group.name == "Ubuntu base":
group.name = "System components"
name = group.name
if len(group.items) > 1:
name = '%s (%d)' % (group.name, len(group.items))
group_row = [
name,
UpdateData(None, group, group_is_item),
humanize_size(group.get_total_size()),
True,
group.sensitive,
]
group_iter = self.store.append(None, group_row)
if group_is_item:
continue
for item in group.items:
item_row = [
item.name,
UpdateData(None, None, item),
humanize_size(getattr(item.pkg.candidate, "size", 0)),
True,
group.sensitive,
]
self.store.append(group_iter, item_row)
def set_update_list(self, update_list):
self.list = update_list
# use the watch cursor
self.setBusy(True)
# disconnect the view first
self.treeview_update.set_model(None)
self.store.clear()
# clean most objects
self.dl_size = 0
self.scrolledwindow_update.show()
# add security and update groups to self.store
if self.list.oem_groups:
self._add_header(
_("Improved hardware support"), self.list.oem_groups
)
self._add_groups(self.list.oem_groups)
if self.list.security_groups:
self._add_header(_("Security updates"), self.list.security_groups)
self._add_groups(self.list.security_groups)
if self.list.update_groups:
self._add_header(_("Other updates"), self.list.update_groups)
self._add_groups(self.list.update_groups)
if self.list.kernel_autoremove_groups:
self._add_header(
_("Unused kernel updates to be removed"),
self.list.kernel_autoremove_groups,
)
self._add_groups(self.list.kernel_autoremove_groups)
if self.list.duplicate_groups:
self._add_header(
_("Duplicate packages to be removed"),
self.list.duplicate_groups,
)
self._add_groups(self.list.duplicate_groups)
if self.list.ubuntu_pro_groups:
self._add_header(
_("Ubuntu Pro security updates"),
self.list.ubuntu_pro_groups,
sensitive=True
)
self._add_groups(self.list.ubuntu_pro_groups)
if self.list.ubuntu_pro_fake_groups:
self._add_header(
_("Ubuntu Pro security updates (enable in Settings…)"),
self.list.ubuntu_pro_fake_groups,
sensitive=False
)
self._add_groups(self.list.ubuntu_pro_fake_groups)
self.treeview_update.set_model(self.store)
self.pkg_cell_area.indent_toplevel = (
bool(self.list.ubuntu_pro_fake_groups)
or bool(self.list.ubuntu_pro_groups)
or bool(self.list.update_groups)
or bool(self.list.security_groups)
or bool(self.list.kernel_autoremove_groups)
or bool(self.list.duplicate_groups)
)
self.update_close_button()
self.update_count()
self.setBusy(False)
while Gtk.events_pending():
Gtk.main_iteration()
self.updates_changed()
return False
Mini Shell