1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57
|
# SPDX-License-Identifier: LGPL-2.1-or-later
# Copyright (C) 2020-2022 igo95862
# This file is part of python-sdbus
# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License as published by the Free Software Foundation; either
# version 2.1 of the License, or (at your option) any later version.
# This library 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
# Lesser General Public License for more details.
# You should have received a copy of the GNU Lesser General Public
# License along with this library; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
from __future__ import annotations
from asyncio import new_event_loop, sleep
from random import randint
from time import time
from example_interface import ExampleInterface
from sdbus import request_default_bus_name_async
loop = new_event_loop()
export_object = ExampleInterface()
async def clock() -> None:
"""
This coroutine will sleep a random time and emit
a signal with current clock
"""
while True:
await sleep(randint(2, 7)) # Sleep a random time
current_time = int(time()) # The interface we defined uses integers
export_object.clock.emit(current_time)
async def startup() -> None:
"""Perform async startup actions"""
# Acquire a known name on the bus
# Clients will use that name to address this server
await request_default_bus_name_async('org.example.test')
# Export the object to D-Bus
export_object.export_to_dbus('/')
loop.run_until_complete(startup())
task_clock = loop.create_task(clock())
loop.run_forever()
|