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#!/usr/bin/env python
from twisted.internet import reactor
from txdbus import client, objects
from txdbus.interface import DBusInterface, Method, Signal
class SignalSender (objects.DBusObject):
iface = DBusInterface( 'org.example.SignalSender',
Signal('tick', 'u')
)
dbusInterfaces = [iface]
def __init__(self, objectPath):
objects.DBusObject.__init__(self, objectPath)
self.count = 0
def sendTick(self):
self.emitSignal('tick', self.count)
self.count += 1
reactor.callLater(1, self.sendTick)
def onErr(err):
print 'Failed: ', err.getErrorMessage()
reactor.stop()
def onConnected(conn):
s = SignalSender('/Signaller')
conn.exportObject( s )
dn = conn.requestBusName('org.example')
def onReady(_):
print 'Emitting periodic "tick" signals. Bus name: org.example, Object Path /Signaller'
s.sendTick()
dn.addCallback( onReady )
return dn
dconnect = client.connect(reactor)
dconnect.addCallback(onConnected)
dconnect.addErrback(onErr)
reactor.run()
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