adapters.py

from __future__ import print_function
import dbus

BLUEZ_SERVICE_NAME = 'org.bluez'
LE_ADVERTISING_MANAGER_IFACE = 'org.bluez.LEAdvertisingManager1'
DBUS_OM_IFACE = 'org.freedesktop.DBus.ObjectManager'
DBUS_PROP_IFACE = 'org.freedesktop.DBus.Properties'

LE_ADVERTISEMENT_IFACE = 'org.bluez.LEAdvertisement1'

GATT_MANAGER_IFACE = 'org.bluez.GattManager1'

GATT_SERVICE_IFACE = 'org.bluez.GattService1'
GATT_CHRC_IFACE = 'org.bluez.GattCharacteristic1'
GATT_DESC_IFACE = 'org.bluez.GattDescriptor1'


def find_adapter(bus, adapter_interface_name, adapter_name):
    remote_om = dbus.Interface(bus.get_object(BLUEZ_SERVICE_NAME, '/'), DBUS_OM_IFACE)
    objects = remote_om.GetManagedObjects()

    for o, props in objects.items():
        print('checking adapter %s, keys: %s' % (o, props.keys()))
        if adapter_interface_name in props.keys():
            print('found adapter %s' % (o,))
            if '/' + adapter_name in o:
                print('returning adapter %s' % (o,))
                return o

    return None