tuhi/tools/tuhi-kete-sandboxed.py

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#!/usr/bin/env python3
#
# 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.
#
import sys
import multiprocessing
def maybe_start_tuhi(queue):
should_start = queue.get()
if not should_start:
return
import tuhi.base
tuhi.base.main(['tuhi'])
def main(args=sys.argv):
queue = multiprocessing.Queue()
tuhi_process = multiprocessing.Process(target=maybe_start_tuhi, args=(queue,))
tuhi_process.daemon = True
tuhi_process.start()
# import after spawning the process, or the 2 processes will fight for GLib
import kete
from gi.repository import Gio, GLib
# connect to the session
try:
connection = Gio.bus_get_sync(Gio.BusType.SESSION, None)
except GLib.Error as e:
if (e.domain == 'g-io-error-quark' and
e.code == Gio.IOErrorEnum.DBUS_ERROR):
raise kete.DBusError(e.message)
else:
raise e
# attempt to connect to tuhi
try:
proxy = Gio.DBusProxy.new_sync(connection,
Gio.DBusProxyFlags.NONE, None,
kete.TUHI_DBUS_NAME,
kete.ROOT_PATH,
kete.ORG_FREEDESKTOP_TUHI1_MANAGER,
None)
except GLib.Error as e:
if (e.domain == 'g-io-error-quark' and
e.code == Gio.IOErrorEnum.DBUS_ERROR):
raise kete.DBusError(e.message)
else:
raise e
started = proxy.get_name_owner() is not None
if not started:
print(f'No-one is handling {kete.TUHI_DBUS_NAME}, attempting to start a daemon')
queue.put(not started)
kete.main(args)
if __name__ == '__main__':
main(sys.argv)