Test scripts to detect Sphero BB-8 over BLE

spheroservice.py

from __future__ import unicode_literals
import Adafruit_BluefruitLE.services.servicebase as servicebase

ROBOT_SERVICE_UUID = "22bb746f2bb075542d6f726568705327"

class RobotService(servicebase.ServiceBase):
    ADVERTISED = [ROBOT_SERVICE_UUID]
    SERVICES = [ROBOT_SERVICE_UUID]
    CHARACTERISTICS = [ROBOT_SERVICE_UUID]

test.py

from __future__ import print_function, unicode_literals
import Adafruit_BluefruitLE as btle
import spheroservice
import atexit
import time

provider = btle.get_provider()

def main():
    # Clear any cached data because both bluez and CoreBluetooth have issues with
    # caching data and it going stale.
    provider.clear_cached_data()

    # Get the first available BLE network adapter and make sure it's powered on.
    adapter = provider.get_default_adapter()
    adapter.power_on()
    print('Using adapter: {0}'.format(adapter.name))

    # Start scanning with the bluetooth adapter.
    adapter.start_scan()
    # Use atexit.register to call the adapter stop_scan function before quiting.
    # This is good practice for calling cleanup code in this main function as
    # a try/finally block might not be called since this is a background thread.
    atexit.register(adapter.stop_scan)
    print('Searching for devices...')
    # Enter a loop and print out whenever a new UART device is found.
    known_devices = set()
    bb8 = None
    while True:
        # Call UART.find_devices to get a list of any UART devices that
        # have been found.  This call will quickly return results and does
        # not wait for devices to appear.
        found = set(spheroservice.RobotService.find_devices())
        # Check for new devices that haven't been seen yet and print out
        # their name and ID (MAC address on Linux, GUID on OSX).
        new = found - known_devices
        for device in new:
            print('Found service: {0} [{1}]'.format(device.name, device.id))
            if device.name.startswith("BB-8"):
                print("Found BB-8")
                bb8 = device
                adapter.stop_scan()
                break
        known_devices.update(new)
        if bb8:
            break
        # Sleep for a second and see if new devices have appeared.
        time.sleep(1.0)
    print("Connecting to BB-8")
    bb8.connect()
    print("Connected:", bb8.is_connected)
    print("Advertised services:", bb8.advertised)
    print("Disconnecting...")
    bb8.disconnect()
    print("Done.")
        

provider.initialize()  
provider.run_mainloop_with(main)