a2dp-agent

#!/usr/bin/python3

from __future__ import absolute_import, print_function, unicode_literals

import sys
import dbus
import dbus.service
import dbus.mainloop.glib
try:
  from gi.repository import GObject
except ImportError:
  import gobject as GObject

AGENT_INTERFACE = "org.bluez.Agent1"
AGENT_PATH = "/test/agent"
  
class Rejected(dbus.DBusException):
        _dbus_error_name = "org.bluez.Error.Rejected"

class Agent(dbus.service.Object):
        exit_on_release = True

        def set_exit_on_release(self, exit_on_release):
                self.exit_on_release = exit_on_release

        @dbus.service.method(AGENT_INTERFACE,
                                        in_signature="", out_signature="")
        def Release(self):
                print("Release")
                if self.exit_on_release:
                        mainloop.quit()

        @dbus.service.method(AGENT_INTERFACE,
                                        in_signature="os", out_signature="")
        def AuthorizeService(self, device, uuid):
                print("AuthorizeService (%s, %s)" % (device, uuid))
                if uuid == "0000110d-0000-1000-8000-00805f9b34fb":
                    print("Authorized A2DP Service")
                    return
                print("Rejecting non-A2DP Service")
                raise Rejected("Connection rejected")

        @dbus.service.method(AGENT_INTERFACE,
                                        in_signature="o", out_signature="s")
        def RequestPinCode(self, device):
                print("RequestPinCode (%s)" % (device))
                return "0000"

        @dbus.service.method(AGENT_INTERFACE,
                                        in_signature="o", out_signature="u")
        def RequestPasskey(self, device):
                print("RequestPasskey (%s)" % (device))
                return dbus.UInt32("password")

        @dbus.service.method(AGENT_INTERFACE,
                                        in_signature="ouq", out_signature="")
        def DisplayPasskey(self, device, passkey, entered):
                print("DisplayPasskey (%s, %06u entered %u)" %
                                                (device, passkey, entered))

        @dbus.service.method(AGENT_INTERFACE,
                                        in_signature="os", out_signature="")
        def DisplayPinCode(self, device, pincode):
                print("DisplayPinCode (%s, %s)" % (device, pincode))

        @dbus.service.method(AGENT_INTERFACE,
                                        in_signature="ou", out_signature="")
        def RequestConfirmation(self, device, passkey):
                print("RequestConfirmation (%s, %06d)" % (device, passkey))
                return

        @dbus.service.method(AGENT_INTERFACE,
                                        in_signature="o", out_signature="")
        def RequestAuthorization(self, device):
                print("RequestAuthorization (%s)" % (device))
                return
                #raise Rejected("Pairing rejected")

        @dbus.service.method(AGENT_INTERFACE,
                                        in_signature="", out_signature="")
        def Cancel(self):
                print("Cancel")

if __name__ == '__main__':
        dbus.mainloop.glib.DBusGMainLoop(set_as_default=True)

        bus = dbus.SystemBus()

        agent = Agent(bus, AGENT_PATH)

        obj = bus.get_object("org.bluez", "/org/bluez");
        manager = dbus.Interface(obj, "org.bluez.AgentManager1")
        manager.RegisterAgent(AGENT_PATH, "NoInputNoOutput")

        print("A2DP Agent Registered")

        manager.RequestDefaultAgent(AGENT_PATH)

        mainloop = GObject.MainLoop()
        mainloop.run()