def _update_nodetree_pernode(self):
        """
        """

        # TODO(Isaac): 11/25/2012 dynamic_reconfigure only returns params that
        #             are associated with nodes. In order to handle independent
        #             params, different approach needs taken.
        try:
            nodes = dyn_reconf.find_reconfigure_services()
        except rosservice.ROSServiceIOException as e:
            rospy.logerr("Reconfigure GUI cannot connect to master.")
            raise e  # TODO Make sure 'raise' here returns or finalizes func.

        if not nodes == self._nodes_previous:
            i_node_curr = 1
            num_nodes = len(nodes)
            elapsedtime_overall = 0.0
            for node_name_grn in nodes:
                time_siglenode_loop = time.time()

                ####(Begin) For DEBUG ONLY; skip some dynreconf creation
                #                if i_node_curr % 2 != 0:
                #                    i_node_curr += 1
                #                    continue
                #### (End) For DEBUG ONLY. ####

                # Instantiate QStandardItem. Inside, dyn_reconf client will
                # be generated too.
                treenodeitem_toplevel = TreenodeQstdItem(
                    node_name_grn, TreenodeQstdItem.NODE_FULLPATH)
                _treenode_names = treenodeitem_toplevel.get_treenode_names()

                try:
                    treenodeitem_toplevel.connect_param_server()
                except rospy.exceptions.ROSException as e:
                    rospy.logerr(e.message)
                    #Skip item that fails to connect to its node.
                    continue
                    #TODO: Needs to show err msg on GUI too.

                # Using OrderedDict here is a workaround for StdItemModel
                # not returning corresponding item to index.
                self._nodeitems[node_name_grn] = treenodeitem_toplevel

                self._add_children_treenode(treenodeitem_toplevel,
                                            self._rootitem, _treenode_names)

                time_siglenode_loop = time.time() - time_siglenode_loop
                elapsedtime_overall += time_siglenode_loop

                _str_progress = 'reconf ' + \
                     'loading #{}/{} {} / {}sec node={}'.format(
                     i_node_curr, num_nodes, round(time_siglenode_loop, 2),
                     round(elapsedtime_overall, 2), node_name_grn)

                # NOT a debug print - please DO NOT remove. This print works
                # as progress notification when loading takes long time.
                rospy.logdebug(_str_progress)
                i_node_curr += 1
    def _update_nodetree_pernode(self):
        """
        """

        # TODO(Isaac): 11/25/2012 dynamic_reconfigure only returns params that
        #             are associated with nodes. In order to handle independent
        #             params, different approach needs taken.
        try:
            nodes = dyn_reconf.find_reconfigure_services()
        except rosservice.ROSServiceIOException as e:
            rospy.logerr("Reconfigure GUI cannot connect to master.")
            raise e  # TODO Make sure 'raise' here returns or finalizes func.

        if not nodes == self._nodes_previous:
            i_node_curr = 1
            num_nodes = len(nodes)
            elapsedtime_overall = 0.0
            for node_name_grn in nodes:
                time_siglenode_loop = time.time()

                ####(Begin) For DEBUG ONLY; skip some dynreconf creation
#                if i_node_curr % 2 != 0:
#                    i_node_curr += 1
#                    continue
                #### (End) For DEBUG ONLY. ####

                # Instantiate QStandardItem. Inside, dyn_reconf client will
                # be generated too.
                treenodeitem_toplevel = TreenodeQstdItem(
                                node_name_grn, TreenodeQstdItem.NODE_FULLPATH)
                _treenode_names = treenodeitem_toplevel.get_treenode_names()

                try:
                    treenodeitem_toplevel.connect_param_server()
                except rospy.exceptions.ROSException as e:
                    rospy.logerr(e.message)
                    #Skip item that fails to connect to its node.
                    continue
                    #TODO: Needs to show err msg on GUI too.

                # Using OrderedDict here is a workaround for StdItemModel
                # not returning corresponding item to index.
                self._nodeitems[node_name_grn] = treenodeitem_toplevel

                self._add_children_treenode(treenodeitem_toplevel,
                                            self._rootitem, _treenode_names)

                time_siglenode_loop = time.time() - time_siglenode_loop
                elapsedtime_overall += time_siglenode_loop

                _str_progress = 'reconf ' + \
                     'loading #{}/{} {} / {}sec node={}'.format(
                     i_node_curr, num_nodes, round(time_siglenode_loop, 2),
                     round(elapsedtime_overall, 2), node_name_grn)

                # NOT a debug print - please DO NOT remove. This print works
                # as progress notification when loading takes long time.
                rospy.logdebug(_str_progress)
                i_node_curr += 1
    def _update_nodetree_pernode(self):

        # TODO(Isaac): 11/25/2012 dynamic_reconfigure only returns params that
        #             are associated with nodes. In order to handle independent
        #             params, different approach needs taken.
        try:
            nodes = find_nodes_with_params(self._context.node)
        except Exception as e:
            self._logger.error(e)
            # TODO: print to sysmsg pane
            raise e  # TODO Make sure 'raise' here returns or finalizes  func.

        if not nodes == self._nodes_previous:
            i_node_curr = 1
            num_nodes = len(nodes)
            elapsedtime_overall = 0.0
            for node_name_grn in nodes:
                # Skip this grn if we already have it
                if node_name_grn in self._nodeitems:
                    i_node_curr += 1
                    continue

                time_siglenode_loop = time.time()

                # (Begin) For DEBUG ONLY; skip some dynreconf creation
                # if i_node_curr % 2 != 0:
                #     i_node_curr += 1
                #     continue
                # (End) For DEBUG ONLY. ####

                # Instantiate QStandardItem. Inside, dyn_reconf client will
                # be generated too.
                treenodeitem_toplevel = TreenodeQstdItem(
                    self._context, node_name_grn,
                    TreenodeQstdItem.NODE_FULLPATH)
                _treenode_names = treenodeitem_toplevel.get_treenode_names()

                # Using OrderedDict here is a workaround for StdItemModel
                # not returning corresponding item to index.
                self._nodeitems[node_name_grn] = treenodeitem_toplevel

                self._add_children_treenode(treenodeitem_toplevel,
                                            self._rootitem, _treenode_names)

                time_siglenode_loop = time.time() - time_siglenode_loop
                elapsedtime_overall += time_siglenode_loop

                _str_progress = 'reconf ' + \
                    'loading #{}/{} {} / {}sec node={}'.format(
                        i_node_curr, num_nodes, round(time_siglenode_loop, 2),
                        round(elapsedtime_overall, 2), node_name_grn
                    )

                # NOT a debug print - please DO NOT remove. This print works
                # as progress notification when loading takes long time.
                logging.debug(_str_progress)
                i_node_curr += 1