requesting contacts from Telepathy

telepathy_retrieving_contacts_example.py

import telepathy
import telepathy.client
import dbus

from dbus.mainloop.glib import DBusGMainLoop
from telepathy.constants import (
    CONNECTION_HANDLE_TYPE_CONTACT, CONNECTION_HANDLE_TYPE_LIST,
    CHANNEL_TEXT_MESSAGE_TYPE_NORMAL)
from telepathy.interfaces import (
    CHANNEL_INTERFACE_GROUP, CHANNEL_TYPE_CONTACT_LIST, 
    CHANNEL_TYPE_TEXT,
    CONN_INTERFACE)

contacts = []
dbus_loop = DBusGMainLoop()
bus = dbus.SessionBus(mainloop=dbus_loop)
connections = telepathy.client.conn.Connection.get_connections(bus)
for connection in connections:
  handle = connection[CONN_INTERFACE].RequestHandles(CONNECTION_HANDLE_TYPE_LIST, ['known'])[0]
  channel = connection.request_channel(CHANNEL_TYPE_CONTACT_LIST, CONNECTION_HANDLE_TYPE_LIST, handle, True)
  current, local_pending, remote_pending = (
      channel[CHANNEL_INTERFACE_GROUP].GetAllMembers())
  members = connection[CONN_INTERFACE].InspectHandles(
      CONNECTION_HANDLE_TYPE_CONTACT, current)
  for member, member_h in zip(members, current):
    contacts.append((member, member_h))