Gecko [ www.utparral.edu.mx ]

Name	Size	Permission
backend	[ DIR ]	drwxr-xr-x
Core	[ DIR ]	drwxr-xr-x
__pycache__	[ DIR ]	drwxr-xr-x
ChangelogViewer.py	12.14 KB	-rw-r--r--
Dialogs.py	16.06 KB	-rw-r--r--
HelpViewer.py	1.01 KB	-rw-r--r--
__init__.py	0 B	-rw-r--r--
MetaReleaseGObject.py	2.33 KB	-rw-r--r--
UnitySupport.py	3.32 KB	-rw-r--r--
UpdateManager.py	19.71 KB	-rw-r--r--
UpdateManagerVersion.py	23 B	-rw-r--r--
UpdatesAvailable.py	46.84 KB	-rw-r--r--

Code Editor : UpdateManager.py

# UpdateManager.py
# -*- Mode: Python; indent-tabs-mode: nil; tab-width: 4; coding: utf-8 -*-
#
#  Copyright (c) 2012 Canonical
#
#  Author: Michael Terry <michael.terry@canonical.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

from __future__ import absolute_import, print_function

from gi.repository import Gtk
from gi.repository import Gdk, GdkX11
from gi.repository import Gio
from gi.repository import GLib
from gi.repository import GObject
import uaclient.api.u.pro.packages.updates.v1 as ua

GdkX11  # pyflakes

import warnings
warnings.filterwarnings("ignore", "Accessed deprecated property",
                        DeprecationWarning)

import distro_info
import fnmatch
import os
import subprocess
import sys
import time
import threading
from gettext import gettext as _

import dbus
import dbus.service
from dbus.mainloop.glib import DBusGMainLoop
DBusGMainLoop(set_as_default=True)

from .UnitySupport import UnitySupport
from .Dialogs import (DistUpgradeDialog,
                      ErrorDialog,
                      HWEUpgradeDialog,
                      NeedRestartDialog,
                      NoUpdatesDialog,
                      NoUpgradeForYouDialog,
                      PartialUpgradeDialog,
                      StoppedUpdatesDialog,
                      UnsupportedDialog,
                      UpdateErrorDialog)
from .MetaReleaseGObject import MetaRelease
from .UpdatesAvailable import UpdatesAvailable
from .Core.AlertWatcher import AlertWatcher
from .Core.MyCache import MyCache
from .Core.roam import NetworkManagerHelper
from .Core.UpdateList import UpdateList
from .Core.utils import get_arch, get_dist, SoftwarePropertiesPage
from .backend import (InstallBackend,
                      get_backend)

# file that signals if we need to reboot
REBOOT_REQUIRED_FILE = "/var/run/reboot-required"

class UpdateManager(Gtk.Window):
    """ This class is the main window and work flow controller. The main
        window will show panes, and it will morph between them. """

def __init__(self, datadir, options):
        Gtk.Window.__init__(self)

# Public members
        self.datadir = datadir
        self.options = options
        self.unity = UnitySupport()
        self.controller = None
        self.cache = None
        self.ua_security_packages = []
        self.update_list = None
        self.meta_release = None
        self.hwe_replacement_packages = None
        self.oem_metapackages = set()
        self.duplicate_packages = []
        self.arch = get_arch()

# Basic GTK+ parameters
        self.set_title(_("Software Updater"))
        self.set_icon_name("system-software-update")
        self.set_position(Gtk.WindowPosition.CENTER)

# Keep window at a constant size
        ctx = self.get_style_context()
        self.style_changed = ctx.connect("changed",
                                         lambda ctx:
                                             self.resize_to_standard_width())

# Signals
        self.connect("delete-event", self._on_close)

self._setup_dbus()

# deal with no-focus-on-map
        if self.options and self.options.no_focus_on_map:
            self.set_focus_on_map(False)
            self.iconify()
            self.stick()
            self.set_urgency_hint(True)
            self.unity.set_urgency(True)
            self.initial_focus_id = self.connect(
                "focus-in-event", self.on_initial_focus_in)

# Look for a new release in a thread
        self.meta_release = MetaRelease(
            self.options and self.options.devel_release,
            self.options and self.options.use_proposed,
            self.options and self.options.debug)

def begin_user_resizable(self, stored_width=0, stored_height=0):
        self.set_resizable(True)
        if stored_width > 0 and stored_height > 0:
            # There is a race here.  If we immediately resize, it often doesn't
            # take.  Using idle_add helps, but we *still* occasionally don't
            # restore the size correctly.  Help needed to track this down!
            GLib.idle_add(lambda: self.resize(stored_width, stored_height))

def end_user_resizable(self):
        self.set_resizable(False)

def resize_to_standard_width(self):
        if self.get_resizable():
            return  # only size to a specific em if we are a static size
        num_em = 33  # per SoftwareUpdates spec
        dpi = self.get_screen().get_resolution()
        if dpi <= 0:
            dpi = 96
        ctx = self.get_style_context()
        GObject.signal_handler_block(ctx, self.style_changed)
        size = ctx.get_property("font-size", Gtk.StateFlags.NORMAL)
        width = dpi / 72 * size * num_em
        self.set_size_request(width, -1)
        GObject.signal_handler_unblock(ctx, self.style_changed)

def on_initial_focus_in(self, widget, event):
        """callback run on initial focus-in (if started unmapped)"""
        self.unstick()
        self.set_urgency_hint(False)
        self.unity.set_urgency(False)
        self.disconnect(self.initial_focus_id)
        return False

def _start_pane(self, pane):
        if self.controller is not None:
            self.controller.stop()
            if isinstance(self.controller, Gtk.Widget):
                self.controller.destroy()

self.controller = pane
        self._look_ready()
        self.end_user_resizable()

if pane is None:
            return

if isinstance(pane, Gtk.Widget):
            self.add(pane)
            pane.start()
            self.show_all()
        else:
            pane.start()
            self.hide()

def _on_close(self, widget, data=None):
        return self.close()

def close(self):
        if not self.get_sensitive():
            return True

if self.controller:
            controller_close = self.controller.close()
            if controller_close:
                return controller_close
        self.exit()

def exit(self):
        """ exit the application, save the state """
        self._start_pane(None)
        sys.exit(0)

def show_settings(self, page_number=SoftwarePropertiesPage.updates):
        cmd = ["/usr/bin/software-properties-gtk",
               "--open-tab", str(page_number)]

if "WAYLAND_DISPLAY" not in os.environ:
            cmd += ["--toplevel", "%s" % self.get_window().get_xid()]

self._look_busy()
        try:
            p = subprocess.Popen(cmd)
        except OSError:
            pass
        else:
            while p.poll() is None:
                while Gtk.events_pending():
                    Gtk.main_iteration()
                time.sleep(0.05)
        finally:
            self.start_available()

def start_update(self):
        if self.options.no_update:
            self.start_available()
            return

update_backend = get_backend(self, InstallBackend.ACTION_UPDATE)
        self._start_pane(update_backend)

def start_install(self, hwe_upgrade=False):
        install_backend = get_backend(self, InstallBackend.ACTION_PRE_INSTALL)
        if hwe_upgrade:
            for pkgname in self.hwe_replacement_packages:
                try:
                    self.cache[pkgname].mark_install()
                except SystemError:
                    pass
        self._start_pane(install_backend)

def start_available(self, cancelled_update=False, error_occurred=False):
        self._look_busy()
        self.refresh_cache()

if self.cache is None:
            return

pane = self._make_available_pane(self.cache.install_count
                                         + self.cache.del_count,
                                         os.path.exists(REBOOT_REQUIRED_FILE),
                                         cancelled_update, error_occurred)
        self._start_pane(pane)

def _check_oem_metapackages(self):
        di = distro_info.UbuntuDistroInfo()
        codename = get_dist()
        lts = di.is_lts(codename)
        if not lts:
            return None
        OEM_PATH = os.path.join(GLib.get_user_runtime_dir(),
                                "ubuntu-drivers-oem.package-list")
        if not os.path.exists(OEM_PATH):
            return None

# Packages that aren't installed but apply to this system
        with open(OEM_PATH, 'r') as f:
            self.oem_metapackages |= set(f.read().splitlines())

# Packages that are already installed
        for pkg in self.cache:
            if fnmatch.fnmatch(pkg.name, 'oem-*-meta') \
               and pkg.installed:
                self.oem_metapackages.add(pkg)

def _fetch_ua_updates(self):
        try:
            self.ua_updates = ua.updates().updates
        except Exception as e:
            print("Error running updates end-point: ", e)
            self.ua_updates = []

def _get_ua_security_status(self):
        self.ua_security_packages = []
        self.ua_updates = []
        t = threading.Thread(target=self._fetch_ua_updates, daemon=True)
        t.start()
        while t.is_alive():
            while Gtk.events_pending():
                Gtk.main_iteration()
            time.sleep(0.05)
        for package in self.ua_updates:
            if (
                package.provided_by == 'standard-security'
                or package.provided_by == 'standard-updates'
            ):
                continue
            status = package.status
            if (
                status == 'pending_attach'
                or status == 'pending_enable'
                or status == 'upgrade_available'
            ):
                name = package.package
                version = package.version
                size = package.download_size
                downloadable = status == 'upgrade_available'
                self.ua_security_packages.append(
                    (name, version, size, downloadable)
                )
        self.cache.create_pro_cache(self.ua_security_packages)

def _make_available_pane(self, install_count, need_reboot=False,
                             cancelled_update=False, error_occurred=False):
        self._check_hwe_support_status()
        if install_count != 0:
            header = None
            desc = None
            if error_occurred:
                desc = _("Some software couldn’t be checked for updates.")
            elif cancelled_update:
                header = _("You stopped the check for updates.")
                desc = _("Updated software is available from "
                         "a previous check.")
            # Display HWE updates first as an old HWE stack is vulnerable
            elif self.hwe_replacement_packages:
                return HWEUpgradeDialog(self)
            return UpdatesAvailable(self, header, desc, need_reboot)
        else:
            # Need Restart > New Release > No Updates
            if need_reboot:
                return NeedRestartDialog(self)
            dist_upgrade = self._check_meta_release()
            if dist_upgrade:
                return dist_upgrade
            elif cancelled_update:
                return StoppedUpdatesDialog(self)
            elif self.hwe_replacement_packages:
                return HWEUpgradeDialog(self)
            else:
                return NoUpdatesDialog(self, error_occurred=error_occurred)

def start_error(self, update_and_retry, header, desc):
        if update_and_retry:
            self._start_pane(UpdateErrorDialog(self, header, desc))
        else:
            self._start_pane(ErrorDialog(self, header, desc))

def _look_busy(self):
        self.set_sensitive(False)
        if self.get_window() is not None:
            self.get_window().set_cursor(Gdk.Cursor.new(Gdk.CursorType.WATCH))

def _look_ready(self):
        self.set_sensitive(True)
        if self.get_window() is not None:
            self.get_window().set_cursor(None)
            self.get_window().set_functions(Gdk.WMFunction.ALL)

def _check_meta_release(self):
        if self.meta_release is None:
            return None

if self.meta_release.downloading:
            # Block until we get an answer
            GLib.idle_add(self._meta_release_wait_idle)
            Gtk.main()

# Check if there is anything to upgrade to or a known-broken upgrade
        next = self.meta_release.upgradable_to
        if not next or next.upgrade_broken:
            return None

# Check for end-of-life
        if self.meta_release.no_longer_supported:
            return UnsupportedDialog(self, self.meta_release)

# Check for new fresh release
        settings = Gio.Settings.new("com.ubuntu.update-manager")
        if (self.meta_release.new_dist
                and (self.options.check_dist_upgrades
                     or settings.get_boolean("check-dist-upgrades"))):
            if self.arch == 'i386':
                return NoUpgradeForYouDialog(self, self.meta_release,
                                             self.arch)
            return DistUpgradeDialog(self, self.meta_release)

return None

def _meta_release_wait_idle(self):
        # 'downloading' is changed in a thread, but the signal
        # 'done_downloading' is done in our thread's event loop.  So we know
        # that it won't fire while we're in this function.
        if not self.meta_release.downloading:
            Gtk.main_quit()
        else:
            self.meta_release.connect("done_downloading", Gtk.main_quit)
        return False

def _check_hwe_support_status(self):
        di = distro_info.UbuntuDistroInfo()
        codename = get_dist()
        lts = di.is_lts(codename)
        if not lts:
            return None
        HWE = "/usr/bin/hwe-support-status"
        if not os.path.exists(HWE):
            return None
        cmd = [HWE, "--show-replacements"]
        self._parse_hwe_support_status(cmd)

def _parse_hwe_support_status(self, cmd):
        try:
            subprocess.check_output(cmd)
            # for debugging
            # print("nothing unsupported running")
        except subprocess.CalledProcessError as e:
            if e.returncode == 10:
                packages = e.output.strip().split()
                self.hwe_replacement_packages = []
                for pkgname in packages:
                    pkgname = pkgname.decode('utf-8')
                    if pkgname in self.cache and \
                            not self.cache[pkgname].is_installed:
                        self.hwe_replacement_packages.append(pkgname)
                # for debugging
                # print(self.hwe_replacement_packages)

# fixme: we should probably abstract away all the stuff from libapt
    def refresh_cache(self):
        try:
            if self.cache is None:
                self.cache = MyCache(None)
            else:
                self.cache.open(None)
                self.cache._initDepCache()
        except AssertionError:
            # if the cache could not be opened for some reason,
            # let the release upgrader handle it, it deals
            # a lot better with this
            self._start_pane(PartialUpgradeDialog(self))
            # we assert a clean cache
            header = _("Software index is broken")
            desc = _("It is impossible to install or remove any software. "
                     "Please use the package manager \"Synaptic\" or run "
                     "\"sudo apt-get install -f\" in a terminal to fix "
                     "this issue at first.")
            self.start_error(False, header, desc)
            return
        except SystemError as e:
            header = _("Could not initialize the package information")
            desc = _("An unresolvable problem occurred while "
                     "initializing the package information.\n\n"
                     "Please report this bug against the 'update-manager' "
                     "package and include the following error "
                     "message:\n") + str(e)
            self.start_error(False, header, desc)
            return

# Let the Gtk event loop breath if it hasn't had a chance.
        def iterate():
            while Gtk.events_pending():
                Gtk.main_iteration()
        iterate()

self._check_oem_metapackages()

self._get_ua_security_status()

for pkgname in self.oem_metapackages:
            try:
                if not self.cache[pkgname].is_installed:
                    self.cache[pkgname].mark_install()
            except SystemError:
                pass

self.update_list = UpdateList(self)
        try:
            self.update_list.update(self.cache, eventloop_callback=iterate,
                                    duplicate_packages=self.duplicate_packages,
                                    ua_security_packages=self.
                                    ua_security_packages)
        except SystemError as e:
            header = _("Could not calculate the upgrade")
            desc = _("An unresolvable problem occurred while "
                     "calculating the upgrade.\n\n"
                     "Please report this bug against the 'update-manager' "
                     "package and include the following error "
                     "message:\n") + str(e)
            self.start_error(True, header, desc)

if self.update_list.distUpgradeWouldDelete > 0:
            self._start_pane(PartialUpgradeDialog(self))

def _setup_dbus(self):
        """ this sets up a dbus listener if none is installed already """
        # check if there is another g-a-i already and if not setup one
        # listening on dbus
        try:
            bus = dbus.SessionBus()
        except Exception:
            print("warning: could not initiate dbus")
            return
        try:
            proxy_obj = bus.get_object('org.freedesktop.UpdateManager',
                                       '/org/freedesktop/UpdateManagerObject')
            iface = dbus.Interface(proxy_obj,
                                   'org.freedesktop.UpdateManagerIFace')
            iface.bringToFront()
            #print("send bringToFront")
            sys.exit(0)
        except dbus.DBusException:
            #print("no listening object (%s) " % e)
            bus_name = dbus.service.BusName('org.freedesktop.UpdateManager',
                                            bus)
            self.dbusController = UpdateManagerDbusController(self, bus_name)

class UpdateManagerDbusController(dbus.service.Object):
    """ this is a helper to provide the UpdateManagerIFace """
    def __init__(self, parent, bus_name,
                 object_path='/org/freedesktop/UpdateManagerObject'):
        dbus.service.Object.__init__(self, bus_name, object_path)
        self.parent = parent
        self.alert_watcher = AlertWatcher()
        self.alert_watcher.connect("network-alert", self._on_network_alert)
        self.connected = False

@dbus.service.method('org.freedesktop.UpdateManagerIFace')
    def bringToFront(self):
        self.parent.present()
        return True

@dbus.service.method('org.freedesktop.UpdateManagerIFace')
    def upgrade(self):
        try:
            self.parent.start_install()
            return True
        except Exception:
            return False

def _on_network_alert(self, watcher, state):
        if state in NetworkManagerHelper.NM_STATE_CONNECTED_LIST:
            self.connected = True
        else:
            self.connected = False

${this.title}

Code Editor : UpdateManager.py