import hid
for device_dict in hid.enumerate():


    keys = list(device_dict.keys())


    keys.sort()


    for key in keys:


        print("%s : %s" % (key, device_dict[key]))


    print()

try:


    print("Opening the device")


    h = hid.device()


    h.open(0x534C, 0x0001)  # TREZOR VendorID/ProductID


    print("Manufacturer: %s" % h.get_manufacturer_string())


    print("Product: %s" % h.get_product_string())


    print("Serial No: %s" % h.get_serial_number_string())


    # enable non-blocking mode


    h.set_nonblocking(1)


    # write some data to the device


    print("Write the data")


    h.write([0, 63, 35, 35] + [0] * 61)


    # wait


    time.sleep(0.05)


    # read back the answer


    print("Read the data")


    while True:


        d = h.read(64)


        if d:


            print(d)


        else:


            break


    print("Closing the device")


    h.close()
except IOError as ex:


    print(ex)


    print("You probably don't have the hard-coded device.")


    print("Update the h.open() line in this script with the one")


    print("from the enumeration list output above and try again.")
print("Done")