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#!/usr/bin/env python
# -*- 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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