Пример #1
0
#!/usr/bin/env python2
""" Connects to Wicd over Dbus to discover connection status.
Returns exit codes -
0 for connected
1 for connecting
2 for disconnected """
import dbus

bus = dbus.SystemBus()
daemon = dbus.Interface(bus.get_object('org.wicd.daemon', '/org/wicd/daemon'),
                        'org.wicd.daemon')

info = daemon.GetConnectionStatus()
if not (len(info) > 1 and len(info[1]) and info[1][0]):
    exit(2)  # Disconnected
if info[1][0] in ('wired', 'wireless'):
    exit(1)  # Connecting
exit(0)  # Connected
Пример #2
0
# corrects encoding for the python version used
def fix_string(string):
    if sys.version_info.major == 3:
        return string
    else:
        return string.encode('utf-8')


# Output-Format
output = fix_string(u'{artist}: {song}')

# Read metadata and print lable for polybar
bus = dbus.SessionBus()
spotify_bus = bus.get_object('org.mpris.MediaPlayer2.spotify',
                             '/org/mpris/MediaPlayer2')

spotify_properties = dbus.Interface(spotify_bus,
                                    'org.freedesktop.DBus.Properties')

# All data
metadata = spotify_properties.Get('org.mpris.MediaPlayer2.Player', 'Metadata')
# Artist
artist = fix_string(
    metadata['xesam:artist'][0]) if metadata['xesam:artist'] else ''
# Song
song = fix_string(metadata['xesam:title']) if metadata['xesam:title'] else ''

if not artist and not song:
    print('')
else:
    print(output.format(artist=artist, song=song))
 def __init__(self):
     self._fts = BUS.get_object('org.gnome.zeitgeist.Engine',
         '/org/gnome/zeitgeist/index/activity')
     self.fts = dbus.Interface(self._fts, 'org.gnome.zeitgeist.Index')
Пример #4
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def get_gatt_characteristic_interface():
    """Return the DBus Interface for a Bluez GATT Characteristic."""
    return dbus.Interface(
        dbus.SystemBus().get_object(constants.BLUEZ_SERVICE_NAME,
                                    '/org/bluez/hci0'),
        constants.GATT_CHRC_IFACE)
Пример #5
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def get_advert_manager_interface():
    """Return the DBus Interface for a Bluez GATT LE Advertising Manager."""
    return dbus.Interface(
        dbus.SystemBus().get_object(constants.BLUEZ_SERVICE_NAME,
                                    '/org/bluez/hci0'),
        constants.LE_ADVERTISING_MANAGER_IFACE)
Пример #6
0
        return pincode


def create_device_reply(device):
    mainloop.quit()


def create_device_error(error):
    print "PIN Failed"
    exit(-1)


if __name__ == '__main__':
    dbus.mainloop.glib.DBusGMainLoop(set_as_default=True)
    bus = dbus.SystemBus()
    manager = dbus.Interface(bus.get_object("org.bluez", "/"),
                             "org.bluez.Manager")
    adapter = dbus.Interface(
        bus.get_object("org.bluez", manager.DefaultAdapter()),
        "org.bluez.Adapter")

    try:
        device = adapter.FindDevice(sys.argv[1])
        adapter.RemoveDevice(device)
    except:
        pass

    path = "/test/agent"
    agent = Agent(bus, path)
    mainloop = gobject.MainLoop()

    if len(sys.argv) > 2:
Пример #7
0
def get_gatt_manager_interface():
    """Return the DBus Interface for a Bluez GATT Manager."""
    return dbus.Interface(
        dbus.SystemBus().get_object(constants.BLUEZ_SERVICE_NAME,
                                    '/org/bluez/hci0'),
        constants.GATT_MANAGER_IFACE)
Пример #8
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 def dbus_get_device_prop_interface(self, name):
     proxy = self.bus.get_object(name, "/org/mpris/MediaPlayer2")
     device_prop = dbus.Interface(proxy, "org.freedesktop.DBus.Properties")
     return device_prop
Пример #9
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def receivedMessage(account, sender, message, conversation, flags):
    print conversation,", ",  sender, "said:", message

# Import libraries
import dbus, gobject
from dbus.mainloop.glib import DBusGMainLoop
dbus.mainloop.glib.DBusGMainLoop(set_as_default=True)
bus = dbus.SessionBus()

# Add receivedMessage signal handler
bus.add_signal_receiver(receivedMessage, dbus_interface="im.pidgin.purple.PurpleInterface", signal_name="ReceivedImMsg")

# set purple object
obj = bus.get_object("im.pidgin.purple.PurpleService", "/im/pidgin/purple/PurpleObject")
purple = dbus.Interface(obj, "im.pidgin.purple.PurpleInterface")

# Printing XMPP accounts
for acc in purple.PurpleAccountsGetAllActive():
    if purple.PurpleAccountGetProtocolId(acc) == "prpl-jabber":
        print purple.PurpleAccountGetUsername(acc) 

# Get account to work with
#account_name = raw_input("Choose the account you wish to use today: ")
account_name = "[email protected]/"
account = purple.PurpleAccountsFind(account_name, "prpl-jabber")

# Create new chat with user's defined name
#conv_name = raw_input("Choose your buddy name: ")
conv_name = "mkorostel"
conv = purple.PurpleConversationNew(1, account, conv_name + "@qip.ru")
Пример #10
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 def __init__(self):
     # Connect to the bus
     self.bus = dbus.SessionBus()
     self.controller = self.bus.get_object(service_name,
                                           "/org/jackaudio/Controller")
     self.iface = dbus.Interface(self.controller, controller_interface_name)
Пример #11
0
    def get_introspect(self):
        i = dbus.Interface(self.dbus_object,
                           'org.freedesktop.DBus.Introspectable')

        return DbusIntrospection.introspect(i.Introspect())
Пример #12
0
 def _station(self):
     if self._station_if is None:
         self._station_if = dbus.Interface(
             self._bus.get_object(IWD_SERVICE, self.device_path),
             IWD_STATION_INTERFACE)
     return self._station_if
Пример #13
0
    def open_freebsd(self):
        import dbus
        # There should be some way to access the -v arg...
        verbose = False

        # this gives us access to the S/N, etc. of the reader that the scanner has found
        # and the match routines for some of that data, like s/n, vendor ID, etc.
        d=self.detected_device

        if not d.serial:
            raise DeviceError("Device has no S/N.  Can't continue")
            return False

        vols=[]

        bus = dbus.SystemBus()
        manager = dbus.Interface(bus.get_object('org.freedesktop.Hal',
                      '/org/freedesktop/Hal/Manager'), 'org.freedesktop.Hal.Manager')
        paths = manager.FindDeviceStringMatch('usb.serial',d.serial)
        for path in paths:
            objif = dbus.Interface(bus.get_object('org.freedesktop.Hal', path), 'org.freedesktop.Hal.Device')
            # Extra paranoia...
            try:
                if d.idVendor == objif.GetProperty('usb.vendor_id') and \
                        d.idProduct == objif.GetProperty('usb.product_id') and \
                        d.manufacturer == objif.GetProperty('usb.vendor') and \
                        d.product == objif.GetProperty('usb.product') and \
                        d.serial == objif.GetProperty('usb.serial'):
                    midpath = manager.FindDeviceStringMatch('info.parent', path)
                    dpaths = manager.FindDeviceStringMatch(
                        'storage.originating_device', path) + manager.FindDeviceStringMatch('storage.originating_device', midpath[0])
                    for dpath in dpaths:
                        # devif = dbus.Interface(bus.get_object('org.freedesktop.Hal', dpath), 'org.freedesktop.Hal.Device')
                        try:
                            vpaths = manager.FindDeviceStringMatch('block.storage_device', dpath)
                            for vpath in vpaths:
                                try:
                                    vdevif = dbus.Interface(bus.get_object('org.freedesktop.Hal', vpath), 'org.freedesktop.Hal.Device')
                                    if not vdevif.GetProperty('block.is_volume'):
                                        continue
                                    if vdevif.GetProperty('volume.fsusage') != 'filesystem':
                                        continue
                                    volif = dbus.Interface(bus.get_object('org.freedesktop.Hal', vpath), 'org.freedesktop.Hal.Device.Volume')
                                    pdevif = dbus.Interface(bus.get_object('org.freedesktop.Hal', vdevif.GetProperty('info.parent')),
                                                            'org.freedesktop.Hal.Device')
                                    vol = {'node': pdevif.GetProperty('block.device'),
                                            'dev': vdevif,
                                            'vol': volif,
                                            'label': vdevif.GetProperty('volume.label')}
                                    vols.append(vol)
                                except dbus.exceptions.DBusException as e:
                                    print(e)
                                    continue
                        except dbus.exceptions.DBusException as e:
                            print(e)
                            continue
            except dbus.exceptions.DBusException as e:
                continue

        vols.sort(key=lambda x: x['node'])

        if verbose:
            print("FBSD:	", vols)

        mtd=0

        for vol in vols:
            mp = ''
            if vol['dev'].GetProperty('volume.is_mounted'):
                mp = vol['dev'].GetProperty('volume.mount_point')
            else:
                try:
                    vol['vol'].Mount('Calibre-'+vol['label'],
                            vol['dev'].GetProperty('volume.fstype'), [])
                    loops = 0
                    while not vol['dev'].GetProperty('volume.is_mounted'):
                        time.sleep(1)
                        loops += 1
                        if loops > 100:
                            print("ERROR: Timeout waiting for mount to complete")
                            continue
                    mp = vol['dev'].GetProperty('volume.mount_point')
                except dbus.exceptions.DBusException as e:
                    print("Failed to mount ", e)
                    continue

            # Mount Point becomes Mount Path
            mp += '/'

            if verbose:
                print("FBSD:	  mounted", vol['label'], "on", mp)
            if mtd == 0:
                self._main_prefix = mp
                self._main_vol = vol['vol']
                if verbose:
                    print("FBSD:	main = ", self._main_prefix)
            if mtd == 1:
                self._card_a_prefix = mp
                self._card_a_vol = vol['vol']
                if verbose:
                    print("FBSD:	card a = ", self._card_a_prefix)
            if mtd == 2:
                self._card_b_prefix = mp
                self._card_b_vol = vol['vol']
                if verbose:
                    print("FBSD:	card b = ", self._card_b_prefix)
                # Note that mtd is used as a bool... not incrementing is fine.
                break
            mtd += 1

        if mtd > 0:
            return True
        raise DeviceError(_('Unable to mount the device'))
Пример #14
0
def test(q, bus, mc):
    params = dbus.Dictionary(
        {
            "account": "*****@*****.**",
            "password": "******"
        }, signature='sv')
    (simulated_cm, account) = create_fakecm_account(q, bus, mc, params)

    srv_name = 'fu-bar-42'
    account_iface = dbus.Interface(account, cs.ACCOUNT)
    account_props = dbus.Interface(account, cs.PROPERTIES_IFACE)

    # defaults to the empty string
    assertEquals(account_props.Get(cs.ACCOUNT, 'Service'), '')

    # set to a new value after creation
    call_async(q, account_props, 'Set', cs.ACCOUNT, 'Service', srv_name)
    q.expect_many(
        EventPattern('dbus-signal',
                     path=account.object_path,
                     signal='AccountPropertyChanged',
                     interface=cs.ACCOUNT,
                     args=[{
                         'Service': srv_name
                     }]),
        EventPattern('dbus-return', method='Set'),
    )
    assertEquals(account_props.Get(cs.ACCOUNT, 'Service'), srv_name)

    # set to an invalid value (no actual change should occur)

    # leading non-alphabetic (make sure _ isn't considered alphabetic)
    call_async(q, account_props, 'Set', cs.ACCOUNT, 'Service', '_fu-bar')
    q.expect_many(EventPattern('dbus-error', method='Set'))
    assertEquals(account_props.Get(cs.ACCOUNT, 'Service'), srv_name)

    # leading non-alphabetic
    call_async(q, account_props, 'Set', cs.ACCOUNT, 'Service', '.moose')
    q.expect_many(EventPattern('dbus-error', method='Set'))
    assertEquals(account_props.Get(cs.ACCOUNT, 'Service'), srv_name)

    # gregexes have an option to be lenient about trailing newlines:
    # this makes sure we haven't made that mistake
    call_async(q, account_props, 'Set', cs.ACCOUNT, 'Service', srv_name + '\n')
    q.expect_many(EventPattern('dbus-error', method='Set'))
    assertEquals(account_props.Get(cs.ACCOUNT, 'Service'), srv_name)

    # set to an empty string
    call_async(q, account_props, 'Set', cs.ACCOUNT, 'Service', '')
    q.expect_many(EventPattern('dbus-return', method='Set'))
    assertEquals(account_props.Get(cs.ACCOUNT, 'Service'), '')

    # test creation with a service
    account_manager = bus.get_object(cs.AM, cs.AM_PATH)
    am_iface = dbus.Interface(account_manager, cs.AM)

    service_prop = dbus.Dictionary({
        cs.ACCOUNT + '.Service': "moomin-troll",
    },
                                   signature='sv')

    call_async(
        q,
        am_iface,
        'CreateAccount',
        'fakecm',  # Connection_Manager
        'fakeprotocol',  # Protocol
        'fakeaccount',  # Display_Name
        params,  # Parameters
        service_prop,  # Properties
    )

    ret = q.expect('dbus-return', method='CreateAccount')
    path = ret.value[0]
    account = bus.get_object(cs.tp_name_prefix + '.AccountManager', path)
    if_props = dbus.Interface(account, cs.PROPERTIES_IFACE)
    props = if_props.GetAll(cs.ACCOUNT)
    assertEquals(props.get('Service'), 'moomin-troll')

    # attempt creation with a bogus service
    service_prop = dbus.Dictionary({cs.ACCOUNT + '.Service': "1337"},
                                   signature='sv')

    call_async(
        q,
        am_iface,
        'CreateAccount',
        'fakecm',  # Connection_Manager
        'fakeprotocol',  # Protocol
        'fakeaccount',  # Display_Name
        params,  # Parameters
        service_prop,  # Properties
    )

    ret = q.expect('dbus-error', method='CreateAccount')
Пример #15
0
def set_trusted(path):
    props = dbus.Interface(bus.get_object("org.bluez", path),
                           "org.freedesktop.DBus.Properties")
    props.Set("org.bluez.Device1", "Trusted", True)
Пример #16
0
#!/usr/bin/env python3
import dbus
import argparse

jscript = """
var allDesktops = desktops();
print (allDesktops);
for (i=0;i<allDesktops.length;i++) {
    d = allDesktops[i];
    d.wallpaperPlugin = "org.kde.image";
    d.currentConfigGroup = Array("Wallpaper", "org.kde.image", "General");
    d.writeConfig("Image", "file://%s")
}
"""

parser = argparse.ArgumentParser(description='KDE Wallpaper setter')
parser.add_argument('file', help='Wallpaper file name')
args = parser.parse_args()


bus = dbus.SessionBus()
plasma = dbus.Interface(bus.get_object('org.kde.plasmashell', '/PlasmaShell'), dbus_interface='org.kde.PlasmaShell')

plasma.evaluateScript(jscript % args.file)
Пример #17
0
def dev_connect(path):
    dev = dbus.Interface(bus.get_object("org.bluez", path),
                         "org.bluez.Device1")
    dev.Connect()
Пример #18
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 def connect(self, screenlet_settings):
     proxy_obj = self.session_bus.get_object(self.this_mpris_ns,
                                             self.this_mpris_iroot)
     self.playerAPI = dbus.Interface(proxy_obj, self.this_mpris_iface)
     proxy_obj2 = self.session_bus.get_object(self.ns2, self.iroot2)
     self.playerAPI2 = dbus.Interface(proxy_obj, self.iface2)
Пример #19
0
def assertNoURI(ft_channel):
    ft_props = dbus.Interface(ft_channel, cs.PROPERTIES_IFACE)

    uri = ft_props.Get(cs.CHANNEL_TYPE_FILE_TRANSFER, 'URI')
    assertEquals('', uri)
Пример #20
0
    def __init__(self, server, **kwargs):

        if server.coherence.config.get('use_dbus', 'no') != 'yes':
            raise Exception, 'this backend needs use_dbus enabled in the configuration'
        BackendStore.__init__(self, server, **kwargs)

        self.config = kwargs
        self.name = kwargs.get('name', 'Tracker')

        self.update_id = 0
        self.token = None

        self.songs = 0
        self.albums = 0
        self.artists = 0
        self.playlists = 0
        self.genres = 0

        self.videos = 0
        self.images = 0

        self.bus = dbus.SessionBus()
        tracker_object = self.bus.get_object(BUS_NAME, OBJECT_PATH)
        self.tracker_interface = dbus.Interface(tracker_object,
                                                'org.freedesktop.Tracker')
        self.search_interface = dbus.Interface(
            tracker_object, 'org.freedesktop.Tracker.Search')
        self.keywords_interface = dbus.Interface(
            tracker_object, 'org.freedesktop.Tracker.Keywords')
        self.metadata_interface = dbus.Interface(
            tracker_object, 'org.freedesktop.Tracker.Metadata')
        self.query_id = -1

        self.containers = {}
        self.tracks = {}
        self.containers[ROOT_CONTAINER_ID] = \
                    Container(ROOT_CONTAINER_ID,-1,self.name,store=self)

        def queries_finished(r):
            louie.send('Coherence.UPnP.Backend.init_completed',
                       None,
                       backend=self)

        def queries_failed(r):
            error = ''
            louie.send('Coherence.UPnP.Backend.init_failed',
                       None,
                       backend=self,
                       msg=error)

        services = kwargs.get('service', 'Music,Videos,Images')
        services = map(lambda x: x.strip().lower(), services.split(','))

        l = []
        mapping = {
            'music': self.get_tracks,
            'videos': self.get_videos,
            'images': self.get_images
        }
        for service in services:
            try:
                l.append(mapping[service]())
            except KeyError:
                self.warning('Wrong Tracker service definition - %r' % service)
        if len(l) > 0:
            dl = defer.DeferredList(l)
            dl.addCallback(queries_finished)
            dl.addErrback(lambda x: louie.send(
                'Coherence.UPnP.Backend.init_failed',
                None,
                backend=self,
                msg='Connection to Tracker service(s) failed!'))
        else:
            louie.send('Coherence.UPnP.Backend.init_failed',
                       None,
                       backend=self,
                       msg='No Tracker service defined!')
Пример #21
0
def get_gatt_service_interface():
    """Return the DBus Interface for a Bluez GATT Service."""
    return dbus.Interface(
        dbus.SystemBus().get_object(constants.BLUEZ_SERVICE_NAME,
                                    '/org/bluez/hci0'),
        constants.GATT_SERVICE_IFACE)
Пример #22
0
def go():
	## I think we need an object here which will poll until told to stop.
	## Register some callbacks to spit out servers

        print "Here"
	import sys
	import time
	import dbus, gobject, avahi
	from dbus.mainloop.glib import DBusGMainLoop

	import string

	serviceType = "_wfut._tcp"
	servicePort = 0;
	serviceTXT = ""

	domain = ""
	host = ""

	## Map of discovered servers
	servers = {}

	def service_add(interface, protocol, name, type, domain, flags):


		print "found server"

	        ## Find out more info
	        obj_path = server.ServiceResolverNew(interface, protocol, name, type, domain, avahi.PROTO_UNSPEC, dbus.UInt32(0))

	        resolver = dbus.Interface(bus.get_object(avahi.DBUS_NAME, obj_path),
	                   avahi.DBUS_INTERFACE_SERVICE_RESOLVER)

	        ## Hook up callbacks to 'Found'
	        resolver.connect_to_signal('Found', found)

	def found(interface, protcol, name, type, domain, host, aprotocol, address, port, txt, flags):

	        ## Construct a server url from address and port number.
	        ## Uses '[' ']' incase of IPv6 addresses.
	        servers[name] = "".join([ "http://", "[" , address, "]", ":", str(port)])
	        ## Look for a "url" txt field to override the one constructed above.
	        txt_arr = avahi.txt_array_to_string_array(txt)
	        for rec in txt_arr:
	                (key, value) = rec.split("=")
	                if key == "url":
	                        servers[name] = value
	        print "Found server: " + servers[name]



	if True:
            print "Here"

	    DBusGMainLoop( set_as_default=True )

	    main_loop = gobject.MainLoop()
	    bus = dbus.SystemBus()

	    ## TODO: Hook up service added / removed

	    global server
	    server = dbus.Interface(
	            bus.get_object( avahi.DBUS_NAME, avahi.DBUS_PATH_SERVER ),
	            avahi.DBUS_INTERFACE_SERVER )

	    ## Find services from any interface and protocol
	    interface =  avahi.IF_UNSPEC
	    protocol = avahi.PROTO_UNSPEC

	    ## Use local domain.
	    domain = "local"

	    ## Call method to create new browser, and get back an object
	    ## path for it.
	    obj_path = server.ServiceBrowserNew(interface, protocol, serviceType, domain, dbus.UInt32(0))

	    ## Create browser interface for the new object
	    browser = dbus.Interface(bus.get_object(avahi.DBUS_NAME, obj_path), avahi.DBUS_INTERFACE_SERVICE_BROWSER)

	    ## Hook up signal for new found services
	    browser.connect_to_signal('ItemNew', service_add)

	    try:

		context = main_loop.get_context()
	        ## TODO: loop for short time period
	        while (context.pending()):
			print "tick"
	                time.sleep(0.5)

			# Handle commands here
			context.iteration(True)


		## TODO: Turn off avahi

		## Offer choices to user
		index = 0;
		options = [];
	        for (key, value) in servers.iteritems():
			index = index + 1;
			print(string.join(["Found (", str(index), ") ", key, " -> ", value]))
			options.append(key)


		while True:
			try:
				print "Pick Server: ",
				opt = sys.stdin.readline();
	       			opt = int(opt) - 1;
				break;

			except Exception as e:
				print e

		## get selected server option
		choice = options[opt]
		server = servers[choice];


		return server
		## Fall back to original code with new server choice

	    except KeyboardInterrupt:
	        pass
Пример #23
0
def get_gatt_descriptor_interface():
    """Return the DBus Interface for a Bluez GATT Descriptor."""
    return dbus.Interface(
        dbus.SystemBus().get_object(constants.BLUEZ_SERVICE_NAME,
                                    '/org/bluez/hci0'),
        constants.GATT_DESC_IFACE)
def kill_daemon(*args):
    bus = dbus.SystemBus()
    remote_object = bus.get_object("edu.duke.linux.yum", "/Updatesd")
    iface = dbus.Interface(remote_object, "edu.duke.linux.yum")

    remote_object.ShutDown(dbus_interface="edu.duke.linux.yum")
Пример #25
0
def get_managed_objects():
    """Return the objects currently managed by the DBus Object Manager."""
    bus = dbus.SystemBus()
    manager = dbus.Interface(bus.get_object(constants.BLUEZ_SERVICE_NAME, '/'),
                             constants.DBUS_OM_IFACE)
    return manager.GetManagedObjects()
def check_updates(*args):
    bus = dbus.SystemBus()
    remote_object = bus.get_object("edu.duke.linux.yum", "/Updatesd")
    iface = dbus.Interface(remote_object, "edu.duke.linux.yum")

    remote_object.CheckNow(dbus_interface="edu.duke.linux.yum")
 def __init__(self):
     self.hamster = BUS.get_object(HAMSTER_URI, HAMSTER_PATH)
     self.iface = dbus.Interface(self.hamster, dbus_interface=HAMSTER_URI)
Пример #28
0
                      "--timeout",
                      action="store",
                      type="int",
                      dest="timeout",
                      default=60000)
    (options, args) = parser.parse_args()
    if options.capability:
        capability = options.capability

    path = "/test/agent"
    agent = Agent(bus, path)

    mainloop = GObject.MainLoop()

    obj = bus.get_object(BUS_NAME, "/org/bluez")
    manager = dbus.Interface(obj, "org.bluez.AgentManager1")
    manager.RegisterAgent(path, capability)

    print("Agent registered")

    # Fix-up old style invocation (BlueZ 4)
    if len(args) > 0 and args[0].startswith("hci"):
        options.adapter_pattern = args[0]
        del args[:1]

    if len(args) > 0:
        device = bluezutils.find_device(args[0], options.adapter_pattern)
        dev_path = device.object_path
        agent.set_exit_on_release(False)
        device.Pair(reply_handler=pair_reply,
                    error_handler=pair_error,
Пример #29
0
 def GetObjectInterface(self, kind, path):
     return dbus.Interface(
             self.bus.get_object(FlimFlam.SHILL_DBUS_INTERFACE, path),
             FlimFlam.SHILL_DBUS_INTERFACE + "." + kind)
Пример #30
0
    r'spampd.service',
    r'sshd.service',
    r'svnserve.service',
    r'synapse.service',
    r'system-rsyncd.slice',
    r'unbound.service',
    r'uwsgi@.*.service',
    r'zabbix-agent.service',
    r'zabbix-server-pgsql.service',
    r'fail2ban.service',
]

bus = dbus.SystemBus()
systemd1 = bus.get_object('org.freedesktop.systemd1',
                          '/org/freedesktop/systemd1')
systemd1_manager = dbus.Interface(
    systemd1, dbus_interface='org.freedesktop.systemd1.Manager')

units = systemd1_manager.ListUnits()

discovered = []


def get_unit_prop_interface(obj, interface, propname):
    try:
        return obj.Get(interface, propname)
    except dbus.exceptions.DBusException as err:
        if err.get_dbus_name() == 'org.freedesktop.DBus.Error.UnknownProperty':
            return None
        else:
            raise