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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:

def SettingsAddConnection(self, connection_settings):
    '''Add a connection.

    connection_settings is a String String Variant Map Map. See
    https://developer.gnome.org/NetworkManager/0.9/spec.html
        #type-String_String_Variant_Map_Map

    If you omit uuid, this method adds one for you.
    '''

    if 'uuid' not in connection_settings['connection']:
        connection_settings['connection']['uuid'] = str(uuid.uuid4())

    NM = dbusmock.get_object(MANAGER_OBJ)
    settings_obj = dbusmock.get_object(SETTINGS_OBJ)
    main_connections = settings_obj.ListConnections()

    # Mimic how NM names connections
    count = 0
    while True:
        connection_obj_path = dbus.ObjectPath(SETTINGS_OBJ + '/' + str(count))
        if connection_obj_path not in main_connections:
            break
        count += 1
    connection_path = str(connection_obj_path)

    self.AddObject(connection_path,
                   CSETTINGS_IFACE,
                   {
                       'Unsaved': False
                   },
                   [
                       ('Delete', '', '', 'self.ConnectionDelete(self)'),
                       ('GetSettings', '', 'a{sa{sv}}', 'ret = self.ConnectionGetSettings(self)'),
                       ('GetSecrets', 's', 'a{sa{sv}}', 'ret = self.ConnectionGetSecrets(self, args[0])'),
                       ('Update', 'a{sa{sv}}', '', 'self.ConnectionUpdate(self, args[0])'),
                   ])
    self.object_manager_emit_added(connection_path)

    connection_obj = dbusmock.get_object(connection_path)
    connection_obj.settings = connection_settings
    connection_obj.connection_path = connection_path
    connection_obj.ConnectionDelete = ConnectionDelete
    connection_obj.ConnectionGetSettings = ConnectionGetSettings
    connection_obj.ConnectionGetSecrets = ConnectionGetSecrets
    connection_obj.ConnectionUpdate = ConnectionUpdate

    main_connections.append(connection_path)
    settings_obj.Set(SETTINGS_IFACE, 'Connections', main_connections)

    settings_obj.EmitSignal(SETTINGS_IFACE, 'NewConnection', 'o', [connection_path])

    auto_connect = False
    if 'autoconnect' in connection_settings['connection']:
        auto_connect = connection_settings['connection']['autoconnect']

    if auto_connect:
        dev = None
        devices = NM.GetDevices()

        # Grab the first device.
        if len(devices) > 0:
            dev = devices[0]

        if dev:
            activate_connection(NM, connection_path, dev, connection_path)

    return connection_path