ev3dev-stretch D-Bus BlueZ example

ble.py

#!/usr/bin/env python3

# ev3dev-stretch
# https://github.com/bluez/bluez/blob/5.43/doc/gatt-api.txt
# https://developer.gnome.org/gio/2.50/GDBusProxy.html

import gi

# gi.require_version("GLib", "2.0")
# gi.require_version("GObject", "2.0")
gi.require_version("Gio", "2.0")

# from gi.repository import GLib
# from gi.repository import GObject
from gi.repository import Gio


object_manager = Gio.DBusObjectManagerClient.new_for_bus_sync(
    Gio.BusType.SYSTEM,
    Gio.DBusObjectManagerClientFlags.NONE,
    "org.bluez",
    "/",
)

for obj in object_manager.get_objects():
    # device = obj.get_interface("org.bluez.Device1")
    # if not device:
    #     continue

    # print(device.get_cached_property("Alias"))

    char = obj.get_interface("org.bluez.GattCharacteristic1")
    if not char:
        continue

    print(char.get_cached_property("UUID"))