nagstamon.py

#!/usr/bin/env python3
# encoding: utf-8

# Nagstamon - Nagios status monitor for your desktop
# Copyright (C) 2008-2016 Henri Wahl <h.wahl@ifw-dresden.de> et al.
#
# 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., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA

import os
import sys
import socket
import platform

# fix/patch for https://bugs.launchpad.net/ubuntu/+source/nagstamon/+bug/732544
socket.setdefaulttimeout(30)

try:
    if __name__ == '__main__':
        # queue.Queue() needs threading module which might be not such a good idea to be used
        # because QThread is already in use
        # ##debug_queue = list()

        # Initialize global configuration
        # from Nagstamon.Config import (conf,
                # RESOURCES,
                # debug_queue)
        from Nagstamon.Config import conf

        from Nagstamon.Helpers import lock_config_folder

        # if there are more args, than the config folder,  nagstaCLI is been executed
        if len(sys.argv) > 2:
            import nagstacli  # fix crash if more than 2 args are passed - mprenditore
            nagstacli.executeCli()
            sys.exit(1)

        # Acquire the lock
        if not lock_config_folder(conf.configdir):
            print('An instance is already running this config ({})'.format(conf.configdir))
            sys.exit(1)

        # remove QT_QPA_PLATFORMTHEME env variable to fix ugly theme in GNOME
        if platform.system() == 'Linux':
            try:
                os.environ.pop('QT_QPA_PLATFORMTHEME')
            except Exception:
                pass

        # get GUI
        # from Nagstamon.QUI import (APP,
                # statuswindow,
                # check_version,
                # check_servers,
                # dialogs)
        from Nagstamon.QUI import (APP,
                statuswindow,
                check_version,
                check_servers)
        # get server information
        # from Nagstamon.Servers import (servers,
                # get_enabled_servers)

        # ask for help if no servers are configured
        check_servers()

        # show and resize status window
        statuswindow.show()
        statuswindow.adjustSize()

        if conf.check_for_new_version is True:
            check_version.check(start_mode=True, parent=statuswindow)

        try:
            APP.exec_()
            del(APP)
            sys.exit(0)
        except Exception:
            sys.exit(0)


except Exception as err:
    import traceback
    traceback.print_exc(file=sys.stdout)