Listado Puertos Jack

#!/usr/bin/env python
# -*- coding: utf-8 -*-

####################################
###           Módulos            ###
####################################
import dbus
from gi.repository import Gtk
from dbus.mainloop.glib import DBusGMainLoop


# Hay que hacer este llamado antes de definir el bus
dbus.mainloop.glib.DBusGMainLoop(set_as_default=True)

####################################
###             Bus              ###
####################################
bus = dbus.SessionBus()
jack_control_obj = bus.get_object("org.jackaudio.service", "/org/jackaudio/Controller")
jack_control_ifa = dbus.Interface(jack_control_obj, "org.jackaudio.JackPatchbay")

#port_list = jack_control_ifa.GetAllPorts()

graph = jack_control_ifa.GetGraph(0)

for item in graph[1]:
  print(item[0], item[1])
  for subitem in item[2]:
    print("-> ", subitem[0], subitem[1], subitem[2], subitem[3])

def printNewPort(new_graph_version, client_id, client_name, port_id, port_name, port_flags, port_type):
  print("GV:", new_graph_version, ", client_id:", client_id, ", client_name: ", client_name, ", port_id: ", port_id, ", port_name: ", port_name, ", port_type", port_type)

jack_control_ifa.connect_to_signal("PortAppeared", printNewPort)

####################################
###             GUI              ###
####################################
class MainWindow(Gtk.Window):
  def __init__(self):
    Gtk.Window.__init__(self, title="Listado de Puertos Jack")
    self.set_default_size(200, 200)
    self.model = self.__create_model(graph[1])

    sw = Gtk.ScrolledWindow()
    treeView = Gtk.TreeView(self.model)

    cellRenderer = Gtk.CellRendererText()
    column = Gtk.TreeViewColumn("ID", cellRenderer, text=0)
    column1 = Gtk.TreeViewColumn("Puertos", cellRenderer, text=1)
    treeView.append_column(column)
    treeView.append_column(column1)

    sw.add(treeView)
    self.add(sw)

    jack_control_ifa.connect_to_signal("ClientAppeared", self.__add_client)
    jack_control_ifa.connect_to_signal("PortAppeared", self.__add_port)

  def __create_model(self, item_list):
    model = Gtk.TreeStore(int, str)
    for client in item_list:
      iter = model.append(None)
      model.set(iter,
                0, client[0],
                1, client[1])
      for port in client[2]:
        child_iter = model.append(iter)
        model.set(child_iter,
                  0, port[0],
                  1, port[1])
    return model

  def __add_client (self, new_graph_version, client_id, client_name):
    iter = self.model.append(None)
    self.lastItem = iter
    self.model.set(iter,
              0, client_id,
              1, client_name)

  def __add_port (self, new_graph_version, client_id, client_name, port_id, port_name, port_flags, port_type):
    child_iter = self.model.append(self.lastItem)
    self.model.set(child_iter,
              0, port_id,
              1, port_name)

win = MainWindow()
win.connect("delete-event", Gtk.main_quit)
win.show_all()
Gtk.main()