bluetooth_gabriel_smr

[IMPORTANTE]:
EDITAR EL ARCHIVO: /etc/systemd/system/dbus-org.bluez.service
En la linea del ExecStart=/usr/lib/bluetooth/bluetoothd
Cambiarlo por -> ExecStart=/usr/lib/bluetooth/bluetoothd -C
Y reiniciar el servicio:
    sudo systemd-daemon
    sudo service bluetooth restart

Código servidor bluetooth:

#!/usr/bin/env python

import os
import glob
import time
import random

from bluetooth import *

server_sock = BluetoothSocket( RFCOMM )
server_sock.bind(("",PORT_ANY))
server_sock.listen(1)

port = server_sock.getsockname()[1]

uuid = "94f39d29-7d6d-437d-973b-fba39e49d4ee"

advertise_service( server_sock, "TestServer",
                   service_id = uuid,
                   service_classes = [ uuid, SERIAL_PORT_CLASS ],
                   profiles = [ SERIAL_PORT_PROFILE ],
#                   protocols = [ OBEX_UUID ]
                    )

print "Esperando conexiones en el puerto %d" % port
client_sock, client_info = server_sock.accept()
print "Conexión entrante: ", client_info

while True:

    try:
        req = client_sock.recv(1024)
        if len(req) == 0:
            break
        print "received [%s]" % req

        data = None
        if req in ('temp', '*temp'):
            data = str(random.random())+'!'
        else:
            pass

        if data:
            print "sending [%s]" % data
            client_sock.send(data)

    except IOError:
        pass

    except KeyboardInterrupt:

        print "Desconectado"

        client_sock.close()
        server_sock.close()
        print "Sockets cerrados"

        break