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#!/usr/bin/env python
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# -*- coding: utf-8 -*-
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# Copyright 2012-2016 Mir Calculate. http://www.calculate-linux.org
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import logging
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# logging.basicConfig(format='%(levelname)s:%(message)s', level=logging.DEBUG)
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logger = logging.getLogger(__name__)
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import os
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from os import path
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from PyQt5 import QtCore, QtGui, QtWidgets
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import time
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from calculate.consolegui.application.user_update import user_can_run_update
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from calculate.lib.datavars import DataVars
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import dbus
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import dbus.service
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import dbus.mainloop.glib
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import pyinotify
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from calculate.lib.utils.tools import debug
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from calculate.consolegui.application.dbus_service import (
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DBUS_NAME, DBUS_METHOD_APP, DBUS_MAINAPP, DBUS_APP_UPDATER,
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DBUS_NAME_UPDATER)
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from calculate.update.update_info import UpdateInfo
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import sys
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from calculate.lib.cl_lang import setLocalTranslate, getLazyLocalTranslate, _
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setLocalTranslate('cl_consolegui3', sys.modules[__name__])
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__ = getLazyLocalTranslate(_)
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GUI_UPDATE_APP = DBUS_METHOD_APP % "update"
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MINUTE = 60
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def check_livecd_and_autocheck():
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"""
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Проверить необходимость запуска cl-update-checker
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Не запускать на livecd или если выключена автоматическая проверка обновлений
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"""
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dv = DataVars()
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try:
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dv.importData()
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dv.flIniFile()
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if (dv.Get('os_root_type') == "livecd" or
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dv.Get('update.cl_update_autocheck_set') == 'off'):
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return False
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return True
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finally:
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dv.close()
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class SysTray(QtWidgets.QSystemTrayIcon):
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ICON = "/usr/share/pixmaps/calculate-console-update.svg"
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ICON_NO_UPDATE = "/usr/share/pixmaps/calculate-console-update-no.svg"
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def __init__(self, parent):
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super(SysTray, self).__init__()
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self.parent = parent
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self.timeout = 0
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self.activated.connect(self.systrayActivate)
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self.icon_on = QtGui.QIcon()
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self.icon_on.addPixmap(QtGui.QPixmap(self.ICON))
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self.icon_off = QtGui.QIcon()
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self.icon_off.addPixmap(QtGui.QPixmap(self.ICON_NO_UPDATE))
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self.update(has_updates=False)
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self.setVisible(True)
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def run_cl_gui_update(self):
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method = "update"
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cmd = '/usr/bin/cl-console-gui-%s'%method
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params = ["--skip-options"]
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os.system("{cmd} {params} &>/dev/null &".format(
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cmd=cmd, params=" ".join(params)))
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def show_update(self):
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try:
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iface = self.parent.get_dbus_iface(DBUS_MAINAPP)
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if iface:
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iface.update()
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return True
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except dbus.DBusException as e:
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pass
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try:
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iface = self.parent.get_dbus_iface(GUI_UPDATE_APP)
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if iface:
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iface.show()
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return True
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except dbus.DBusException as e:
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pass
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return False
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def systrayActivate(self, reason):
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if time.time() > self.timeout:
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self.timeout = time.time() + 5
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self.show_update() or self.run_cl_gui_update()
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self.parent.step()
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else:
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self.show_update()
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def update(self, has_updates=False):
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if has_updates:
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self.setVisible(True)
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self.setIcon(self.icon_on)
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self.setToolTip(_("Updates are available"))
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else:
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self.setIcon(self.icon_off)
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self.setToolTip(_("No updates"))
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self.setVisible(False)
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class DBusChecker(dbus.service.Object):
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def __init__(self, name, session, parent):
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self.parent = parent
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# export this object to dbus
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dbus.service.Object.__init__(self, name, session)
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self.parent.systray.setVisible(True)
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@dbus.service.method(DBUS_NAME_UPDATER, in_signature='', out_signature='')
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def hide_systray(self):
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self.parent.systray.setVisible(False)
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@dbus.service.method(DBUS_NAME_UPDATER, in_signature='', out_signature='')
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def show_systray(self):
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self.parent.systray.setVisible(True)
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@dbus.service.method(DBUS_NAME_UPDATER, in_signature='', out_signature='b')
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def ping(self):
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return True
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@dbus.service.method(DBUS_NAME_UPDATER, in_signature='', out_signature='')
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def quit(self):
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QtWidgets.qApp.quit()
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@dbus.service.method(DBUS_NAME_UPDATER, in_signature='', out_signature='')
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def check(self):
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self.parent.step()
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class CheckThread(QtWidgets.QMainWindow, UpdateInfo):
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interval = 5 * MINUTE
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def __init__(self, bus):
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super(CheckThread, self).__init__()
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UpdateInfo.__init__(self)
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self.bus = bus
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self.wm = pyinotify.WatchManager()
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self.notifier = pyinotify.Notifier(self.wm, timeout=1)
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self.wm.add_watch(path.dirname(UpdateInfo.update_file),
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pyinotify.IN_DELETE | pyinotify.IN_CREATE,
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self.event_step)
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self.already_timer = QtCore.QTimer(self)
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self.already_timer.timeout.connect(self.notify_step)
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self.already_timer.start(1)
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self.check_timer = QtCore.QTimer(self)
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self.check_timer.timeout.connect(self.step)
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self.check_timer.start(self.interval * 1)
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self.systray = SysTray(self)
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self.gui_runned = False
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self.systray.update(has_updates=False)
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self.step()
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def get_dbus_iface(self, app_name):
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try:
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remote_object = self.bus.get_object(DBUS_NAME, app_name)
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return dbus.Interface(remote_object, DBUS_NAME)
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except dbus.DBusException:
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return None
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def ping_app(self, app_name):
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try:
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obj = self.get_dbus_iface(app_name)
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if obj:
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obj.ping()
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return True
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except dbus.DBusException:
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pass
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return False
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def notify_step(self):
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if self.notifier.check_events(timeout=1):
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self.notifier.read_events()
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self.notifier.process_events()
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def event_step(self, event):
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if event.name == path.basename(UpdateInfo.update_file):
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self.step()
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def is_console_gui_run(self):
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return self.ping_app(DBUS_MAINAPP)
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def is_gui_update_run(self):
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return self.ping_app(GUI_UPDATE_APP)
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def step(self):
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if self.need_update():
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self.systray.update(has_updates=True)
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return
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self.systray.update(has_updates=False)
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if __name__ == '__main__':
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import sys
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if os.fork():
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sys.exit(1)
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if not user_can_run_update(True):
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sys.stderr.write(_("User can not to perform the system update") + "\n")
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sys.exit(1)
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if not check_livecd_and_autocheck():
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sys.stderr.write(
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_("No need to run a live cd or disable autoupdates") + "\n")
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sys.exit(1)
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app = QtWidgets.QApplication(sys.argv)
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for i in [0.5, 1, 2, 5]:
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if QtWidgets.QSystemTrayIcon.isSystemTrayAvailable():
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break
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time.sleep(i)
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# Enable glib main loop support
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dbus.mainloop.glib.DBusGMainLoop(set_as_default=True)
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# Get the session bus
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try:
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bus = dbus.SessionBus()
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except dbus.exceptions.DBusException as e:
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print(e)
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sys.exit(1)
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try:
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remote_object = bus.get_object(DBUS_NAME_UPDATER, DBUS_APP_UPDATER)
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g = dbus.Interface(remote_object, DBUS_NAME_UPDATER)
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props = g.getProperties()
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print(props)
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sys.exit(1)
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except Exception as e:
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pass
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QtWidgets.QApplication.setQuitOnLastWindowClosed(False)
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QtWidgets.QApplication.setApplicationName(_("Calculate Update Checker"))
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# Export the service
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name = dbus.service.BusName(DBUS_NAME_UPDATER, bus)
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# Export the object
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ct = CheckThread(bus)
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DBusChecker(bus, DBUS_APP_UPDATER, ct)
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sys.exit(app.exec_())
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