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#!/usr/bin/env python
#############################################################################
##
## Copyright (C) 2016 The Qt Company Ltd.
## Contact: https://www.qt.io/licensing/
##
## This file is part of the documentation of PySide2.
##
## $QT_BEGIN_LICENSE:BSD$
## Commercial License Usage
## Licensees holding valid commercial Qt licenses may use this file in
## accordance with the commercial license agreement provided with the
## Software or, alternatively, in accordance with the terms contained in
## a written agreement between you and The Qt Company. For licensing terms
## and conditions see https://www.qt.io/terms-conditions. For further
## information use the contact form at https://www.qt.io/contact-us.
##
## BSD License Usage
## Alternatively, you may use this file under the terms of the BSD license
## as follows:
##
## "Redistribution and use in source and binary forms, with or without
## modification, are permitted provided that the following conditions are
## met:
## # Redistributions of source code must retain the above copyright
## notice, this list of conditions and the following disclaimer.
## # Redistributions in binary form must reproduce the above copyright
## notice, this list of conditions and the following disclaimer in
## the documentation and/or other materials provided with the
## distribution.
## # Neither the name of The Qt Company Ltd nor the names of its
## contributors may be used to endorse or promote products derived
## from this software without specific prior written permission.
##
##
## THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
## "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
## LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
## A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
## OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
## SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
## LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
## DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
## THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
## (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
## OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
##
## $QT_END_LICENSE$
##
#############################################################################
# -*- coding: utf-8 -*-
# DBUS Server Example of use PySide with PyDBus library
import dbus
import dbus.service
import dbus.mainloop.glib
import random
from PySide2.QtCore import *
from PySide2.QtGui import QPushButton, QApplication
# The adaptor, MUST inherit dbus.service.Object
class DBusWidget(dbus.service.Object):
def __init__(self, name, session):
# export this object to dbus
dbus.service.Object.__init__(self, name, session)
# create a simple widget
self.widget = QPushButton()
self.widget.resize(200, 50)
# To export a Qt signal as a DBus-signal, you need to connect it to a method in this class.
# The method MUST have the signal annotation, so python-dbus will export it as a dbus-signal
QObject.connect(self.widget, SIGNAL("clicked()"), self.clicked)
QObject.connect(QApplication.instance(), SIGNAL("lastWindowClosed()"), self.lastWindowClosed)
# You can export methods to dbus like you do in python-dbus.
@dbus.service.method("com.example.SampleWidget", in_signature='', out_signature='')
def show(self):
self.widget.show()
# Another method... now with a parameter
@dbus.service.method("com.example.SampleWidget", in_signature='s', out_signature='')
def setText(self, value):
self.widget.setText(value)
# Another one...
@dbus.service.method("com.example.SampleWidget", in_signature='', out_signature='')
def exit(self):
qApp().quit()
# A signal that will be exported to dbus
@dbus.service.signal("com.example.SampleWidget", signature='')
def clicked(self):
pass
# Another signal that will be exported to dbus
@dbus.service.signal("com.example.SampleWidget", signature='')
def lastWindowClosed(self):
pass
if __name__ == '__main__':
app = QApplication([])
# Use qt/glib mainloop integration to get dbus mainloop working
dbus.mainloop.glib.DBusGMainLoop(set_as_default=True)
session_bus = dbus.SessionBus()
# Export the service
name = dbus.service.BusName("com.example.SampleService", session_bus)
# Export the object
widget = DBusWidget(session_bus, '/DBusWidget')
print "Running example service."
app.exec_()
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