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import dbus
SERVICE_NAME = "org.neard"
ADAPTER_INTERFACE = SERVICE_NAME + ".Adapter"
DEVICE_INTERFACE = SERVICE_NAME + ".Device"
RECORD_INTERFACE = SERVICE_NAME + ".Record"
def get_managed_objects():
bus = dbus.SystemBus()
manager = dbus.Interface(bus.get_object("org.neard", "/"),
"org.freedesktop.DBus.ObjectManager")
return manager.GetManagedObjects()
def find_adapter(pattern=None):
return find_adapter_in_objects(get_managed_objects(), pattern)
def find_adapter_in_objects(objects, pattern=None):
bus = dbus.SystemBus()
for path, ifaces in objects.iteritems():
adapter = ifaces.get(ADAPTER_INTERFACE)
if adapter is None:
continue
if not pattern or path.endswith(pattern):
obj = bus.get_object(SERVICE_NAME, path)
return dbus.Interface(obj, ADAPTER_INTERFACE)
raise Exception("NFC adapter not found")
def find_device(pattern=None):
return find_device_in_objects(get_managed_objects(), pattern)
def find_device_in_objects(objects, pattern=None):
bus = dbus.SystemBus()
for path, ifaces in objects.iteritems():
device = ifaces.get(DEVICE_INTERFACE)
if device is None:
continue
if not pattern or path.endswith(pattern):
obj = bus.get_object(SERVICE_NAME, path)
return dbus.Interface(obj, DEVICE_INTERFACE)
raise Exception("NFC adapter not found")
def find_record(pattern=None):
return find_record_in_objects(get_managed_objects(), pattern)
def find_record_in_objects(objects, pattern=None):
bus = dbus.SystemBus()
for path, ifaces in objects.iteritems():
record = ifaces.get(RECORD_INTERFACE)
if record is None:
continue
if not pattern or path.endswith(pattern):
obj = bus.get_object(SERVICE_NAME, path)
return dbus.Interface(obj, RECORD_INTERFACE)
raise Exception("NFC adapter not found")
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