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kernelwindow.py
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executable file
·555 lines (492 loc) · 26.1 KB
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#!/usr/bin/python3
# System imports
import apt
import aptkit.simpleclient
import gettext
import locale
import os
import subprocess
from datetime import datetime
import gi
gi.require_version('Gtk', '3.0')
from gi.repository import Gtk, Gdk, Gio
# Local imports
from apt.utils import get_maintenance_end_date
from Classes import CONFIGURED_KERNEL_TYPE, KERNEL_PKG_NAMES, \
SUPPORTED_KERNEL_TYPES, get_release_dates, _idle, _async
# i18n
APP = 'mintupdate'
LOCALE_DIR = "/usr/share/locale"
locale.bindtextdomain(APP, LOCALE_DIR)
gettext.bindtextdomain(APP, LOCALE_DIR)
gettext.textdomain(APP)
_ = gettext.gettext
def list_header_func(row, before, user_data):
if before and not row.get_header():
row.set_header(Gtk.Separator(orientation=Gtk.Orientation.HORIZONTAL))
class Kernel():
def __init__(self, version, kernel_type, origin, installed):
self.version = version
self.type = kernel_type
self.origin = origin
self.installed = installed
class MarkKernelRow(Gtk.ListBoxRow):
def __init__(self, kernel, kernel_list, version_id=None, supported=None):
Gtk.ListBoxRow.__init__(self)
self.kernel_list = kernel_list
self.kernel = kernel
if kernel.installed:
action = _("Remove")
else:
action = _("Install")
button = Gtk.CheckButton(label=f"{action} {kernel.version}{kernel.type}")
button.connect("toggled", self.on_checked)
Gtk.ToggleButton.set_active(button, not version_id or (not supported and ACTIVE_KERNEL_VERSION > version_id))
self.add(button)
def on_checked(self, widget):
if widget.get_active():
self.kernel_list.append(self.kernel)
else:
self.kernel_list.remove(self.kernel)
class KernelRow(Gtk.ListBoxRow):
def __init__(self, version, pkg_version, kernel_type, text, installed, used, title,
installable, origin, support_status, kernel_window):
Gtk.ListBoxRow.__init__(self)
self.kernel_window = kernel_window
vbox = Gtk.Box(orientation=Gtk.Orientation.VERTICAL)
self.add(vbox)
hbox = Gtk.Box(orientation=Gtk.Orientation.HORIZONTAL)
hbox.set_margin_top(8)
hbox.set_margin_bottom(8)
hbox.set_margin_start(20)
hbox.set_margin_end(20)
vbox.pack_start(hbox, True, True, 0)
version_box = Gtk.Box(orientation=Gtk.Orientation.HORIZONTAL)
hbox.pack_start(version_box, False, False, 0)
version_label = Gtk.Label()
version_label.set_markup("%s" % text)
version_box.pack_start(version_label, False, False, 0)
info_box = Gtk.Box(orientation=Gtk.Orientation.HORIZONTAL)
info_box.set_spacing(6)
hbox.pack_end(info_box, False, False, 0)
if title != "":
label = Gtk.Label()
label.set_margin_end(6)
label.set_margin_start(6)
label.props.xalign = 0.5
label.set_markup("<i>%s</i>" % title)
hbox.set_center_widget(label)
if support_status:
status_label = Gtk.Label()
status_label.set_margin_end(0)
status_label.set_markup(support_status)
status_label.set_halign(Gtk.Align.END)
hbox.pack_end(status_label, True, True, 0)
self.revealer = Gtk.Revealer()
self.revealer.set_transition_type(Gtk.RevealerTransitionType.SLIDE_DOWN)
self.revealer.set_transition_duration(150)
vbox.pack_start(self.revealer, True, True, 0)
hidden_box = Gtk.Box(orientation=Gtk.Orientation.VERTICAL)
hidden_box.set_margin_end(20)
hidden_box.set_margin_start(20)
hidden_box.set_margin_bottom(6)
self.revealer.add(hidden_box)
if origin == "1":
box = Gtk.Box(orientation=Gtk.Orientation.VERTICAL)
box.set_margin_bottom(6)
hidden_box.pack_start(box, True, True, 0)
link = Gtk.Label()
link.set_markup("<a href='https://launchpad.net/ubuntu/+source/linux/+bugs?field.searchtext=%s'>Bug reports</a>" % version)
link.set_line_wrap(True)
box.pack_start(link, False, False, 2)
link = Gtk.Label()
changelog_version = pkg_version
if "~" in pkg_version:
changelog_version = pkg_version.split("~")[0]
link.set_markup("<a href='https://changelogs.ubuntu.com/changelogs/pool/main/l/linux/linux_%s/changelog'>Changelog</a>" % changelog_version)
link.set_line_wrap(True)
box.pack_start(link, False, False, 2)
link = Gtk.Label()
link.set_markup("<a href='https://ubuntu.com/security/cves?package=linux'>CVE Tracker</a>")
link.set_line_wrap(True)
box.pack_start(link, False, False, 2)
button_box = Gtk.Box(orientation=Gtk.Orientation.HORIZONTAL)
button = Gtk.Button()
kernel = Kernel(version, kernel_type, origin, installed)
button.connect("clicked", self.install_kernel, kernel)
queuebutton = Gtk.Button()
queuebutton.connect("clicked", self.queue_kernel, kernel)
if installed:
button.set_label(_("Remove"))
queuebutton.set_label(_("Queue Removal"))
if used:
button.set_tooltip_text(_("This kernel cannot be removed because it is currently in use."))
button.set_sensitive(False)
else:
button.set_label(_("Install"))
queuebutton.set_label(_("Queue Installation"))
if not installable:
button.set_tooltip_text(_("This kernel is not installable."))
button.set_sensitive(False)
queuebutton.set_tooltip_text(button.get_tooltip_text())
queuebutton.set_sensitive(button.get_sensitive())
button_box.pack_end(button, False, False, 0)
button_box.pack_end(queuebutton, False, False, 5)
hidden_box.pack_start(button_box, False, False, 0)
def show_hide_children(self, widget):
if self.revealer.get_child_revealed():
self.revealer.set_reveal_child(False)
else:
self.revealer.set_reveal_child(True)
def install_kernel(self, widget, kernel):
if kernel.installed:
message = _("Are you sure you want to remove the %s kernel?") % kernel.version
else:
message = _("Are you sure you want to install the %s kernel?") % kernel.version
d = Gtk.MessageDialog(parent=self.kernel_window.ui_window, modal=True, message_type=Gtk.MessageType.INFO, buttons=Gtk.ButtonsType.YES_NO)
d.set_markup(message)
d.set_default_response(Gtk.ResponseType.NO)
r = d.run()
d.hide()
d.destroy()
if r == Gtk.ResponseType.YES:
self.kernel_window.install_kernels([kernel])
def queue_kernel(self, widget, kernel):
widget.set_sensitive(False)
if kernel not in self.kernel_window.queued_kernels:
self.kernel_window.ui_button_do_queue.set_sensitive(True)
self.kernel_window.queued_kernels_listbox.append(MarkKernelRow(kernel, self.kernel_window.queued_kernels))
class KernelWindow():
def __init__(self, callback=None):
self.callback = callback
self.settings = Gio.Settings(schema_id="com.linuxmint.updates")
self.cache = None
self.remove_kernels_listbox = []
self.queued_kernels_listbox = []
self.queued_kernels = []
# Set up UI and signals
gladefile = "/usr/share/linuxmint/mintupdate/kernels.ui"
self.builder = Gtk.Builder()
self.builder.set_translation_domain("mintupdate")
self.builder.add_from_file(gladefile)
for widget in self.builder.get_objects():
if issubclass(type(widget), Gtk.Buildable):
name = "ui_%s" % Gtk.Buildable.get_name(widget)
if not "__" in name:
setattr(self, name, widget)
self.ui_continue_button.connect("clicked", self.on_continue_clicked)
self.ui_help_button.connect("clicked", self.show_help)
self.ui_check_button.connect("toggled", self.on_info_checkbox_toggled)
self.ui_close_button.connect("clicked", self.destroy_window)
self.ui_window.connect("destroy", self.destroy_window)
self.ui_confirmation_dialog.connect("destroy", self.on_cancel_clicked)
self.ui_confirmation_dialog.connect("delete-event", self.on_cancel_clicked)
self.ui_confirm_button.connect("clicked", self.on_confirm_clicked)
self.ui_cancel_button.connect("clicked", self.on_cancel_clicked)
self.ui_button_massremove.connect("clicked", self.show_confirmation_dialog, _("Remove Kernels"), self.remove_kernels_listbox)
self.ui_button_do_queue.connect("clicked", self.show_confirmation_dialog, _("Perform Queued Actions"), self.queued_kernels_listbox)
self.ui_confirmation_listbox.set_sort_func(self.confirmation_listbox_sort)
# Get distro release dates for support duration calculation
self.release_dates = get_release_dates()
self.allow_kernel_type_selection = False
self.initially_configured_kernel_type = CONFIGURED_KERNEL_TYPE
if not self.allow_kernel_type_selection and \
self.settings.get_boolean("allow-kernel-type-selection"):
self.allow_kernel_type_selection = True
if self.allow_kernel_type_selection:
# Set up the kernel type selection dropdown
for index, kernel_type in enumerate(SUPPORTED_KERNEL_TYPES):
self.ui_kernel_type_combo.append_text(kernel_type[1:])
if kernel_type[1:] == CONFIGURED_KERNEL_TYPE[1:]:
self.ui_kernel_type_combo.set_active(index)
self.ui_kernel_type_combo.connect("changed", self.on_kernel_type_combo_changed)
self.ui_window.show_all()
self.ui_kernel_type_label.set_visible(self.allow_kernel_type_selection)
self.ui_kernel_type_combo.set_visible(self.allow_kernel_type_selection)
if self.settings.get_boolean("hide-kernel-update-warning"):
self.refresh_kernels_list()
else:
self.ui_stack.set_visible_child_name("intro_page")
# Refresh window on kernel type selection change
def on_kernel_type_combo_changed(self, widget):
global CONFIGURED_KERNEL_TYPE
CONFIGURED_KERNEL_TYPE = "-" + widget.get_active_text()
self.settings.set_string("selected-kernel-type", CONFIGURED_KERNEL_TYPE)
self.refresh_kernels_list()
def refresh_kernels_list(self):
self.ui_spinner.start()
self.ui_stack.set_visible_child_name("refresh_page")
self.ui_window.get_window().set_cursor(Gdk.Cursor(Gdk.CursorType.WATCH))
self.remove_kernels_listbox.clear()
for child in self.ui_kernel_stack.get_children():
child.destroy()
self.refresh_kernels_async()
@_async
def refresh_kernels_async(self):
kernels = subprocess.run(["/usr/lib/linuxmint/mintUpdate/checkKernels.py", CONFIGURED_KERNEL_TYPE],
stdout=subprocess.PIPE).stdout.decode()
self.cache = apt.Cache()
self.refresh_kernels_list_done(kernels)
@_idle
def refresh_kernels_list_done(self, kernels):
now = datetime.now()
hwe_support_duration = {}
kernels = kernels.split("\n")
kernels.sort()
kernel_list_prelim = []
pages_needed = []
pages_needed_sort = []
self.marked_kernels = []
# ACTIVE_KERNEL_VERSION is used by the MarkKernelRow class
global ACTIVE_KERNEL_VERSION
ACTIVE_KERNEL_VERSION = "0"
for kernel in kernels:
values = kernel.split('###')
if len(values) == 11:
(version_id, version, pkg_version, installed, used, installable, origin, archive, support_duration, kernel_type) = values[1:]
installed = (installed == "1")
used = (used == "1")
title = ""
if used:
title = _("Active")
ACTIVE_KERNEL_VERSION = version_id
elif installed:
title = _("Installed")
installable = (installable == "1")
if kernel_type == CONFIGURED_KERNEL_TYPE:
label = version
else:
label = version + kernel_type
self.allow_kernel_type_selection = True
page_label = ".".join(label.replace("-",".").split(".")[:2])
support_duration = int(support_duration)
release = archive.split("-", 1)[0]
if support_duration and origin == "1":
if release not in hwe_support_duration:
hwe_support_duration[release] = []
if not [x for x in hwe_support_duration[release] if x[0] == page_label]:
hwe_support_duration[release].append([page_label, support_duration])
kernel_list_prelim.append([version_id, version, pkg_version, kernel_type, page_label, label, installed, used, title,
installable, origin, release, support_duration])
if page_label not in pages_needed:
pages_needed.append(page_label)
pages_needed_sort.append([version_id, page_label])
# get kernel support duration
kernel_support_info = {}
for release in hwe_support_duration:
if release not in self.release_dates.keys():
continue
kernel_support_info[release] = []
kernel_count = len(hwe_support_duration[release])
time_since_release = (now.year - self.release_dates[release][0].year) * 12 + (now.month - self.release_dates[release][0].month)
for point_release, kernel in enumerate(hwe_support_duration[release]):
(page_label, support_duration) = kernel
if support_duration == -1:
# here's some magic to determine hwe support duration based on the release cycle
# described here: https://wiki.ubuntu.com/Kernel/Support#A18.04.x_Ubuntu_Kernel_Support
if point_release >= 4:
# Regularly the 4th point release is the next LTS kernel. However, this sequence breaks when
# out-of-turn HWE kernels like 4.11 are introduced, so we have to work around that:
if kernel_count > 5 and point_release < kernel_count - 1:
support_duration = kernel_support_info[release][3][1]
# the 4th point release is LTS and scheduled 28 months after original release:
elif time_since_release >= 28:
support_duration = (self.release_dates[release][1].year - self.release_dates[release][0].year) * 12 + \
(self.release_dates[release][1].month - self.release_dates[release][0].month)
if point_release >= 1 and support_duration == -1:
# out of turn HWE kernels can be detected quite well at the time of release,
# but later on there's no way to know which one was the one that was out of turn
max_expected_point_release = (time_since_release - 3) // 6 + 1
if point_release > max_expected_point_release:
# out of turn HWE kernel
support_duration = 10 + max_expected_point_release * 6
else:
# treat as regular HWE kernel
support_duration = 10 + point_release * 6
support_end_str = ""
(support_end_year, support_end_month) = get_maintenance_end_date(self.release_dates[release][0], support_duration)
is_end_of_life = (now.year > support_end_year or (now.year == support_end_year and now.month > support_end_month))
if not is_end_of_life:
support_end_str = "%s %s" % (locale.nl_langinfo(getattr(locale,"MON_%d" %support_end_month)), support_end_year)
kernel_support_info[release].append([page_label, support_duration, support_end_str, is_end_of_life])
kernel_list_prelim.sort(reverse=True)
kernel_list = []
supported_kernels = {}
self.installed_kernels = []
for kernel in kernel_list_prelim:
(version_id, version, pkg_version, kernel_type, page_label, label, installed, used, title, installable, origin, release, support_duration) = kernel
support_status = ""
newest_supported_in_series = False
if support_duration and origin == "1":
if release in kernel_support_info.keys():
support_info = [x for x in kernel_support_info[release] if x[0] == page_label]
else:
support_info = None
if support_info:
(page_label, support_duration, support_end_str, is_end_of_life) = support_info[0]
if support_end_str:
if kernel_type not in supported_kernels.keys():
supported_kernels[kernel_type] = []
if page_label not in supported_kernels[kernel_type]:
supported_kernels[kernel_type].append(page_label)
support_status = '%s %s' % (_("Supported until"), support_end_str)
newest_supported_in_series = True
else:
support_status = _("Superseded")
elif is_end_of_life:
support_status = _("End of Life")
else:
support_status = _("Unsupported")
if installed:
self.installed_kernels.append((kernel_type, version))
if not used:
self.ui_button_massremove.set_sensitive(True)
self.remove_kernels_listbox.append(MarkKernelRow(Kernel(version, kernel_type, origin, installed),
self.marked_kernels, version_id,
newest_supported_in_series))
kernel_list.append([version_id, version, pkg_version, kernel_type, page_label, label,
installed, used, title, installable, origin, support_status])
del(kernel_list_prelim)
# add kernels to UI
pages_needed_sort.sort(reverse=True)
for page in pages_needed_sort:
page = page[1]
scw = Gtk.ScrolledWindow()
scw.set_shadow_type(Gtk.ShadowType.IN)
list_box = Gtk.ListBox()
list_box.set_header_func(list_header_func, None)
list_box.set_selection_mode(Gtk.SelectionMode.NONE)
list_box.set_activate_on_single_click(True)
scw.add(list_box)
self.ui_kernel_stack.add_titled(scw, page, page)
for kernel in kernel_list:
(version_id, version, pkg_version, kernel_type, page_label, label, installed, used, title, installable, origin, support_status) = kernel
if used:
currently_using = _("You are currently using the following kernel:")
self.ui_current_label.set_markup("<b>%s %s%s%s</b>" % (currently_using, label, kernel_type, ' (%s)' % support_status if support_status else ''))
if page_label == page:
row = KernelRow(version, pkg_version, kernel_type, label, installed, used, title,
installable, origin, support_status, self)
list_box.add(row)
list_box.connect("row_activated", self.on_row_activated)
self.ui_kernel_stack.show_all()
self.ui_window.get_window().set_cursor(None)
self.ui_stack.set_visible_child_name("kernels_page")
self.ui_spinner.stop()
def install_kernels(self, kernels):
self.ui_window.set_sensitive(False)
if len(kernels) > 0:
to_install = []
to_purge = []
for kernel in kernels:
_KERNEL_PKG_NAMES = KERNEL_PKG_NAMES.copy()
if kernel.installed:
# also purge existing residual kernel packages
_KERNEL_PKG_NAMES.append("linux-image-unsigned-VERSION-KERNELTYPE")
_KERNEL_PKG_NAMES.append("linux-tools-VERSION")
_KERNEL_PKG_NAMES.append("linux-tools-VERSION-KERNELTYPE")
for name in _KERNEL_PKG_NAMES:
name = name.replace("VERSION", kernel.version).replace("-KERNELTYPE", kernel.type)
if name in self.cache:
pkg = self.cache[name]
if kernel.installed:
if pkg.is_installed:
# skip kernel_type independent packages (headers) if another kernel of the
# same version but different type is installed
if kernel.type not in name and self.package_needed_by_another_kernel(kernel.version, kernel.type):
continue
to_purge.append(name)
else:
to_install.append(name)
# Clean out left-over meta package
if kernel.installed:
def kernel_series(version):
return version.replace("-",".").split(".")[:3]
last_in_series = True
this_kernel_series = kernel_series(kernel.version)
for _type, _version in self.installed_kernels:
if (_type == kernel.type and _version != kernel.version and
kernel_series(_version) == this_kernel_series
):
last_in_series = False
if last_in_series:
meta_names = []
_metas = [s for s in self.cache.keys() if s.startswith("linux" + kernel.type)]
if kernel.type == "-generic":
_metas.append("linux-virtual")
for meta in _metas:
shortname = meta.split(":")[0]
if shortname not in meta_names:
meta_names.append(shortname)
for meta_name in meta_names:
if meta_name in self.cache:
meta = self.cache[meta_name]
if meta.is_installed and \
kernel_series(meta.candidate.version) == this_kernel_series:
to_purge.append(meta_name)
to_purge.append(meta_name.replace("linux-","linux-image-"))
to_purge.append(meta_name.replace("linux-","linux-headers-"))
if meta_name == "linux-virtual":
to_purge.append("linux-headers-generic")
client = aptkit.simpleclient.SimpleAPTClient(self.ui_window)
client.set_finished_callback(self.on_installation_finished)
client.set_cancelled_callback(self.on_installation_finished)
client.set_error_callback(self.on_installation_finished)
client.commit_changes(install=to_install, purge=to_purge)
else:
self.on_installation_finished()
@_idle
def on_installation_finished(self, transaction=None, exit_state=None):
self.ui_window.set_sensitive(True)
if exit_state == aptkit.enums.EXIT_SUCCESS:
self.refresh_kernels_list()
def package_needed_by_another_kernel(self, version, current_kernel_type):
for kernel_type in SUPPORTED_KERNEL_TYPES:
if kernel_type == current_kernel_type:
continue
for name in KERNEL_PKG_NAMES:
if "-KERNELTYPE" in name:
name = name.replace("VERSION", version).replace("-KERNELTYPE", kernel_type)
if name in self.cache:
pkg = self.cache[name]
if pkg.is_installed:
return True
return False
def destroy_window(self, widget):
self.ui_window.destroy()
if self.callback is not None:
needs_refresh = self.initially_configured_kernel_type != CONFIGURED_KERNEL_TYPE
self.callback(needs_refresh)
def on_continue_clicked(self, widget):
self.refresh_kernels_list()
def on_info_checkbox_toggled(self, widget):
self.settings.set_boolean("hide-kernel-update-warning", widget.get_active())
def on_row_activated(self, list_box, row):
row.show_hide_children(row)
def show_help(self, widget):
os.system("xdg-open https://linuxmint-user-guide.readthedocs.io/en/latest/mintupdate.html &")
def show_confirmation_dialog(self, widget, title, kernel_list):
self.ui_window.set_sensitive(False)
for child in self.ui_confirmation_listbox.get_children():
self.ui_confirmation_listbox.remove(child)
for item in kernel_list:
self.ui_confirmation_listbox.add(item)
self.ui_confirmation_dialog.set_title(title)
self.ui_confirmation_dialog.show_all()
def on_cancel_clicked(self, widget, *args):
self.ui_confirmation_dialog.hide()
self.ui_window.set_sensitive(True)
return True
def on_confirm_clicked(self, widget):
self.ui_confirmation_dialog.hide()
if self.ui_confirmation_listbox.get_children():
kernel_list = self.ui_confirmation_listbox.get_children()[0].kernel_list
else:
kernel_list = []
self.install_kernels(kernel_list)
@staticmethod
def confirmation_listbox_sort(row_1, row_2):
return row_1.kernel.version < row_2.kernel.version
if __name__ == "__main__":
window = KernelWindow()
Gtk.main()