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[Qiita][python 3] DBus ことはじめ
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#!/usr/bin/env python3 | |
import argparse | |
import dbus | |
import dbus.service | |
from dbus.mainloop.glib import DBusGMainLoop | |
from gi.repository import GObject, GLib | |
iface = 'jp.co.itage.fooiface' | |
class FooSession(dbus.service.Object): | |
def __init__(self): | |
service = 'jp.co.itage' | |
obj = '/jp/co/itage/foo' | |
bus = dbus.SessionBus() | |
bus_name = dbus.service.BusName(service, bus=bus) | |
super(FooSession, self).__init__(bus_name, obj) | |
self._proxy = bus.get_object(service, obj) | |
bus.add_signal_receiver( | |
self.finish, dbus_interface=iface, bus_name=service, path=obj) | |
def start(self, area): | |
print('call start(): {}'.format(area)) | |
ret = self._proxy.start(area, dbus_interface=iface) | |
print('start ret value: {}'.format(ret)) | |
def stop(self): | |
print('call stop()') | |
self._proxy.stop(dbus_interface=iface) | |
def finish(self, result): | |
print('called finish(): {}'.format(result)) | |
if __name__ == '__main__': | |
parser = argparse.ArgumentParser() | |
parser.add_argument('--area', | |
required=True, | |
type=int) | |
args = parser.parse_args() | |
DBusGMainLoop(set_as_default=True) | |
loop = GObject.MainLoop() | |
session = FooSession() | |
try: | |
session.start(args.area) | |
loop.run() | |
except KeyboardInterrupt: | |
session.stop() | |
loop.quit() |
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dbus-python==1.2.8 | |
pkg-resources==0.0.0 | |
pycairo==1.17.1 | |
PyGObject==3.30.1 |
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#!/usr/bin/env python3 | |
import dbus | |
import dbus.service | |
from dbus.mainloop.glib import DBusGMainLoop | |
from gi.repository import GObject, GLib | |
iface = 'jp.co.itage.fooiface' | |
class FooServer(dbus.service.Object): | |
def __init__(self): | |
service = 'jp.co.itage' | |
obj = '/jp/co/itage/foo' | |
bus = dbus.SessionBus() | |
bus_name = dbus.service.BusName(service, bus=bus) | |
super(FooServer, self).__init__(bus_name, obj) | |
@dbus.service.method(iface, in_signature='u', out_signature='u') | |
def start(self, area): | |
"""Register [start method]""" | |
print(area) | |
self.finish(0) | |
if area == 1: | |
return 1 | |
elif area == 2: | |
return 2 | |
return 0 | |
@dbus.service.method(iface, signature=None) | |
def stop(self): | |
"""Register [stop method]""" | |
print('called stop') | |
@dbus.service.signal(iface, signature='u') | |
def finish(self, result): | |
"""Register [finish signal]""" | |
print('called xfinish: {}'.format(result)) | |
if __name__ == '__main__': | |
DBusGMainLoop(set_as_default=True) | |
loop = GObject.MainLoop() | |
foo = FooServer() | |
try: | |
loop.run() | |
except KeyboardInterrupt: | |
loop.quit() |
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