48 lines
2.1 KiB
Python
48 lines
2.1 KiB
Python
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import dbus
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SERVICE_NAME = "org.bluez"
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ADAPTER_INTERFACE = SERVICE_NAME + ".Adapter1"
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DEVICE_INTERFACE = SERVICE_NAME + ".Device1"
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def get_managed_objects():
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bus = dbus.SystemBus()
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manager = dbus.Interface(bus.get_object("org.bluez", "/"),
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"org.freedesktop.DBus.ObjectManager")
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return manager.GetManagedObjects()
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def find_adapter(pattern=None):
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return find_adapter_in_objects(get_managed_objects(), pattern)
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def find_adapter_in_objects(objects, pattern=None):
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bus = dbus.SystemBus()
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for path, ifaces in objects.iteritems():
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adapter = ifaces.get(ADAPTER_INTERFACE)
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if adapter is None:
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continue
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if not pattern or pattern == adapter["Address"] or \
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path.endswith(pattern):
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obj = bus.get_object(SERVICE_NAME, path)
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return dbus.Interface(obj, ADAPTER_INTERFACE)
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raise Exception("Bluetooth adapter not found")
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def find_device(device_address, adapter_pattern=None):
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return find_device_in_objects(get_managed_objects(), device_address,
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adapter_pattern)
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def find_device_in_objects(objects, device_address, adapter_pattern=None):
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bus = dbus.SystemBus()
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path_prefix = ""
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if adapter_pattern:
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adapter = find_adapter_in_objects(objects, adapter_pattern)
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path_prefix = adapter.object_path
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for path, ifaces in objects.iteritems():
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device = ifaces.get(DEVICE_INTERFACE)
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if device is None:
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continue
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if (device["Address"] == device_address and
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path.startswith(path_prefix)):
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obj = bus.get_object(SERVICE_NAME, path)
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return dbus.Interface(obj, DEVICE_INTERFACE)
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raise Exception("Bluetooth device not found")
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