pamac-classic/pamac-refresh.py

#! /usr/bin/python3
# -*- coding:utf-8 -*-

# pamac - A Python implementation of alpm
# Copyright (C) 2013 Guillaume Benoit <guillaume@manjaro.org>
#
#   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 gi.repository import GObject
from pamac import common, transaction
import dbus


def handle_reply(reply):
	print('check updates done')
	transaction.CheckUpdates()

def handle_error(error):
	transaction.StopDaemon()
	print('check updates failed')
	loop.quit()

def handle_updates(updates):
	transaction.StopDaemon()
	loop.quit()

loop = GObject.MainLoop()

if not common.pid_file_exists():
	print('checking updates')
	bus = dbus.SystemBus()
	bus.add_signal_receiver(handle_reply, dbus_interface = "org.manjaro.pamac", signal_name = "EmitTransactionDone")
	bus.add_signal_receiver(handle_error, dbus_interface = "org.manjaro.pamac", signal_name = "EmitTransactionError")
	bus.add_signal_receiver(handle_updates, dbus_interface = "org.manjaro.pamac", signal_name = "EmitAvailableUpdates")
	transaction.get_dbus_methods()
	try:
		transaction.Refresh(False)
	except:
		pass
	else:
		loop.run()