#!/usr/bin/env python

# encoding: utf-8

# Copyright © 2016 Simon McVittie

#

# Permission is hereby granted, free of charge, to any person

# obtaining a copy of this software and associated documentation

# files (the "Software"), to deal in the Software without

# restriction, including without limitation the rights to use, copy,

# modify, merge, publish, distribute, sublicense, and/or sell copies

# of the Software, and to permit persons to whom the Software is

# furnished to do so, subject to the following conditions:

#

# The above copyright notice and this permission notice shall be

# included in all copies or substantial portions of the Software.

#

# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,

# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF

# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND

# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT

# HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,

# WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,

# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER

# DEALINGS IN THE SOFTWARE.

import sys

from gi.repository import GLib

import dbus

import dbus.mainloop.glib

if __name__ == '__main__':

    dbus.mainloop.glib.DBusGMainLoop(set_as_default=True)

    timed_out = False

    name = sys.argv[1]

    bus = dbus.SessionBus()

    loop = GLib.MainLoop()

    def time_out(*args):

        global timed_out

        timed_out = True

        loop.quit()

    GLib.timeout_add_seconds(30, time_out)

    def name_cb(owner):

        if owner:

            loop.quit()

    bus.watch_name_owner(name, name_cb)

    loop.run()

    if timed_out:

        raise SystemExit('timed out')