# Script to automatically Generate a Network graph of a layout # Used to create a path between stations on layout # # Author: Bill Fitch, copyright 2020 # Part of the JMRI distribution import sys import jmri import os my_path_to_jars = jmri.util.FileUtil.getExternalFilename('program:jython/DispatcherSystem/jars/jgrapht.jar') sys.path.append(my_path_to_jars) # add the jar to your path #Jgrapht reference #http://www.java2s.com/Code/Jar/j/Downloadjgraphtjar.htm from org.jgrapht.graph import DefaultEdge from org.jgrapht.graph import DefaultWeightedEdge from org.jgrapht.graph import DirectedWeightedMultigraph class StationGraph(jmri.jmrit.automat.AbstractAutomaton): def __init__(self): self.g = DirectedWeightedMultigraph(DefaultWeightedEdge) self.g_stopping = DirectedWeightedMultigraph(DefaultWeightedEdge) self.g_express = DirectedWeightedMultigraph(DefaultWeightedEdge) self.station_block_list = [] self.station_blk_list = [] self.dict_path_stopping = {} self.dict_path_express = {} self.dict_path_name_stopping= {} self.dict_path_name_express= {} self.logLevel = 0 if self.logLevel > 0: print "graph __init__" self.setup_station_block_list() if self.logLevel > 0: print "__init__2" self.setup_graph_vertices() if self.logLevel > 0: print "__init__3" self.get_list_inhibited_blocks() self.setup_graph_edges() if self.logLevel > 0: print "finished graph init"# # ************************************************** # Set up station block list either from manual list or from Block Table # ************************************************** def setup_station_block_list(self): BlockManager = jmri.InstanceManager.getDefault(jmri.BlockManager) if self.logLevel > 0: print "Block", BlockManager.getNamedBeanSet() for block in BlockManager.getNamedBeanSet(): #blocks with the word stop in the comment are stations comment = block.getComment() if comment != None: if "stop" in comment.lower(): station_block_name = block.getUserName() self.station_block_list.append(station_block_name) self.station_blk_list.append(self.get_layout_block(station_block_name)) if self.logLevel > 0: print 'self.station_block_list' , self.station_block_list def get_layout_block(self, block_name): LayoutBlockManager=jmri.InstanceManager.getDefault(jmri.jmrit.display.layoutEditor.LayoutBlockManager) layoutBlock = LayoutBlockManager.getLayoutBlock(block_name) return layoutBlock def setup_graph_vertices(self): for station_block_name in self.station_block_list: if self.logLevel > 0: print "station_block_name",station_block_name lblk = self.get_layout_block(station_block_name) if self.logLevel > 0: print "lblk",lblk self.g.addVertex(lblk) self.g_express.addVertex(station_block_name) self.g_stopping.addVertex(station_block_name) if self.logLevel > 0: print 'end setup_graph_vertices" def setup_graph_edges(self): global le if self.logLevel > 0: print "*****************************" if self.logLevel > 0: print "****setup_graph_edges********" if self.logLevel > 0: print "*****************************" LayoutBlockConnectivityTools=jmri.jmrit.display.layoutEditor.LayoutBlockConnectivityTools() index = 0 if self.logLevel > 0: print "self.station_block_list", self.station_block_list for station in self.station_block_list: if self.logLevel > 0: print "*********************" if self.logLevel > 0: print "station = " ,station if self.logLevel > 0: print "*********************" station_block = self.get_layout_block(station) station_block_name = station_block.getUserName() if self.logLevel > 0: print "station_block_name",station_block_name if self.logLevel > 0: print "no neighbors", station_block.getNumberOfNeighbours() for i in range(station_block.getNumberOfNeighbours()): if self.logLevel > 0: print "+++++++++++++++++++++++++" neighbor_name = station_block.getNeighbourAtIndex(i).getDisplayName() if self.logLevel > 0: print "neighbor_name",neighbor_name other_stations = [block for block in self.station_block_list if block not in [station]] if self.logLevel > 0: print "other_stations",other_stations j = 0 for destination in other_stations: index +=1 j += 1 if self.logLevel > 0: print "--------------------------" if self.logLevel > 0: print "destination", j ,destination if self.logLevel > 0: print "--------------------------" sourceLayoutBlock = station_block destinationLayoutBlock = self.get_layout_block(destination) protectingLayoutBlock = self.get_layout_block(neighbor_name) validateOnly = False pathMethod = LayoutBlockConnectivityTools.Routing.NONE path = [] success = False if self.logLevel > 0: print "\nbefore: sourceLayoutBlock", sourceLayoutBlock.getUserName(), \ "destinationLayoutBlock", destinationLayoutBlock.getUserName() try: [path, path_weight] = self.get_optimal_path(sourceLayoutBlock, destinationLayoutBlock, protectingLayoutBlock, validateOnly, pathMethod) #take account of inhibited directions path_name = [str(x.getUserName()) for x in path] if self.logLevel > 0: print path, path_name success = True except jmri.JmriException as e: #print "exception in path" #print "exception: sourceLayoutBlock", sourceLayoutBlock.getUserName(), \ # "destinationLayoutBlock", destinationLayoutBlock.getUserName() # print (e) # Was not able to find a direct path. This is expected for many stations. # Continue and find the connected stations continue finally: if success: x = "yes" else: x = "no" if self.logLevel > 0: print "after: sourceLayoutBlock.getUserName()", sourceLayoutBlock.getUserName(), \ "destinationLayoutBlock.getUserName", destinationLayoutBlock.getUserName() , x if sourceLayoutBlock.getUserName() == "SidingBottomLHS" and \ destinationLayoutBlock.getUserName() == "SidingMiddlleRHS": if self.logLevel > 0: print "for SidingBottomLHS path is " , path_name if path != [] and path != None : #add an edge for all paths to form the express train graph path_name = [str(x.getUserName()) for x in path] edge = le() # le = LabelledEdge() set up outside CreateGraph.py #################################################################### # # Nomenclature # # In JGraphT items can be associated with edges uaing the notation: # edge.setItem(item_name = variable) # # The value can then be retrieved elsewhere in the program using: # variable = edge.getItem(item_name) # # in the uses below the item has the same name as the variable # #################################################################### edge.setItem(index = index) edge.setItem(path = path) edge.setItem(path_name = path_name) #edge.setItem(neighbor_name = neighbor_name) if self.logLevel > 0: print edge.to_string() if self.logLevel > 0: print "\nadding edge ", station_block_name, destination if self.logLevel > 0: print edge.to_string() if self.logLevel > 0: print "got here 4a2" if self.Sufficient_signal_masts_in_edge(edge): self.g_express.addEdge(station_block_name,destination, edge) self.g_express.setEdgeWeight(edge, path_weight) #print "edge", edge , "pweight", pweight if self.logLevel > 0: print "got here 4a" if self.logLevel > 0: print edge.to_string() edge.setItem(index = index) edge.setItem(path = path) edge.setItem(path_name = path_name) edge.setItem(neighbor_name = neighbor_name) LayoutBlockManager=jmri.InstanceManager.getDefault(jmri.jmrit.display.layoutEditor.LayoutBlockManager) firstLayoutBlock = LayoutBlockManager.getLayoutBlock(path_name[0]) first_block_name = firstLayoutBlock.getUserName() edge.setItem(first_block_name = first_block_name) secondLayoutBlock = LayoutBlockManager.getLayoutBlock(path_name[1]) second_block_name = secondLayoutBlock.getUserName() edge.setItem(second_block_name = second_block_name) lastLayoutBlock = LayoutBlockManager.getLayoutBlock(path_name[-1]) last_block_name = lastLayoutBlock.getUserName() edge.setItem(last_block_name = last_block_name) penultimateLayoutBlock = LayoutBlockManager.getLayoutBlock(path_name[-2]) penultimate_block_name = penultimateLayoutBlock.getUserName() edge.setItem(penultimate_block_name = penultimate_block_name) #edge.setItem(path_weight = path_weight) if self.logLevel > 0: print "path weight", path_weight LayoutBlockManager=jmri.InstanceManager.getDefault(jmri.jmrit.display.layoutEditor.LayoutBlockManager) penultimateLayoutBlock = LayoutBlockManager.getLayoutBlock(path_name[-2]) penultimate_block_name = penultimateLayoutBlock.getUserName() edge.setItem(penultimate_block_name = penultimate_block_name) if self.logLevel > 0: print edge.to_string() if self.logLevel > 0: print "got here 4a3" if self.logLevel > 0: print "self.g_express",self.g_express #add only edges for paths that do not go through a station for stopping train graph through_stations = [str(block_name) for block_name in self.station_block_list if block_name not in [station,destination]] # if self.logLevel > 0: print "path", path_name # if self.logLevel > 0: print "all through_stations not at start and end", through_stations # if self.logLevel > 0: print "through stations check" ,[item in through_stations for item in path_name] # if self.logLevel > 0: print "through stations in path" ,[ item for item in path_name if item in through_stations] path_blocks_are_through_stations = [item in through_stations for item in path_name] if self.logLevel > 0: print "any through stations" ,any(path_blocks_are_through_stations) if self.logLevel > 0: print "not any through stations" , not any(path_blocks_are_through_stations) if not any(path_blocks_are_through_stations): #add to stopping graph if self.logLevel > 0: print "adding to stopping graph" edge = le() # le = LabelledEdge() set up outside class self.g_stopping.addEdge(station_block_name,destination,edge) self.g_stopping.setEdgeWeight(edge, path_weight) path_name = [str(x.getUserName()) for x in path] edge.setItem(index = index) edge.setItem(path = path) edge.setItem(path_name = path_name) edge.setItem(neighbor_name = neighbor_name) firstLayoutBlock = LayoutBlockManager.getLayoutBlock(path_name[0]) first_block_name = firstLayoutBlock.getUserName() edge.setItem(first_block_name = first_block_name) secondLayoutBlock = LayoutBlockManager.getLayoutBlock(path_name[1]) second_block_name = secondLayoutBlock.getUserName() edge.setItem(second_block_name = second_block_name) lastLayoutBlock = LayoutBlockManager.getLayoutBlock(path_name[-1]) last_block_name = lastLayoutBlock.getUserName() edge.setItem(last_block_name = last_block_name) penultimateLayoutBlock = LayoutBlockManager.getLayoutBlock(path_name[-2]) penultimate_block_name = penultimateLayoutBlock.getUserName() edge.setItem(penultimate_block_name = penultimate_block_name) if self.logLevel > 0: print edge.to_string() else: if self.logLevel > 0: print "not adding to stopping graph as insufficient masts", "edge " , path_name else: if self.logLevel > 0: print "not adding to stopping graph" pass if self.logLevel > 0: print "*********************************" else: if self.logLevel > 0: print "got here 4b" pass if self.logLevel > 0: print "&&&&&&&&&&&&&&&&&&&&&" if self.logLevel > 0: print "&& graph up to now &&" if self.logLevel > 0: print "&&&&&&&&&&&&&&&&&&&&&" #for e in self.g_express.edgeSet(): #print e.to_string() if self.logLevel > 0: print "&&&&&&&&&&&&&&&&&&&&&" if self.logLevel > 0: print "&& end graph up to now &&" if self.logLevel > 0: print "&&&&&&&&&&&&&&&&&&&&& if self.logLevel > 0: print "&&&&&&&&&&&&&&&&&&&&&" if self.logLevel > 0: print "&& express" if self.logLevel > 0: print "&&&&&&&&&&&&&&&&&&&&&" for e in self.g_express.edgeSet(): if self.logLevel > 0: print (self.g_express.getEdgeSource(e) + " --> " + self.g_express.getEdgeTarget(e)) if self.logLevel > 0: print "&&&&&&&&&&&&&&&&&&&&&" if self.logLevel > 0: print "&& stopping" if self.logLevel > 0: print "&&&&&&&&&&&&&&&&&&&&&" for e in self.g_stopping.edgeSet(): if self.logLevel > 0: print (self.g_stopping.getEdgeSource(e) + " --> " + self.g_stopping.getEdgeTarget(e)) #set the indicators for the train to reverse for e in self.g_stopping.edgeSet(): if self.logLevel > 0: print "edge = ",e try: if self.logLevel > 0: print e, "Target", e.getTarget() if self.logLevel > 0: print e, "Source", e.getSource() opposite_direction_edge = self.g_stopping.getEdge(e.getTarget(),e.getSource()) opposite_direction_neighbor_name = opposite_direction_edge.getItem("neighbor_name") e.setItem(opposite_direction_neighbor_name=opposite_direction_neighbor_name) if self.logLevel > 0: print "set opposite direction neighbor_name for edge" , e.to_string() except: if self.logLevel > 0: print "unable to set opposite direction neighbor_name for edge" , e.to_string() continue def path_weight(self, path): path_name = [str(x.getUserName()) for x in path] path_weight = [x.getBlock().getLengthMm() for x in path] pweight = sum(path_weight) + 1 # add 1 so paths of equal length will have a smaller weight if the train stops less path_inhibited = self.path_is_inhibited(path_name) if path_inhibited: pweight = pweight + 10000 # allow a very long alternate route return pweight def get_optimal_path(self,sourceLayoutBlock, destinationLayoutBlock, protectingLayoutBlock, validateOnly, pathMethod): # print "in get_optimal_patha" self.allow_all_blocks() LayoutBlockConnectivityTools=jmri.jmrit.display.layoutEditor.LayoutBlockConnectivityTools() # print "in get_optimal_pathb" # print "sourceLayoutBlock", sourceLayoutBlock.getUserName() # print "destinationLayoutBlock", destinationLayoutBlock.getUserName() # print "protectingLayoutBlock", protectingLayoutBlock.getUserName() # get the first path with no inhibited blocks validateOnly = True # print "calculating path" path = LayoutBlockConnectivityTools.getLayoutBlocks(sourceLayoutBlock, destinationLayoutBlock, protectingLayoutBlock, validateOnly, pathMethod) # print "path", path path_name = [str(x.getUserName()) for x in path] # print "path_name", path_name #block_names = [x.getBlock().getUserName() for x in path] # print "in get_optimal_pathc" weight = self.path_weight(path) # print "weight", weight if self.logLevel > 0: print "*****************" msg = "path is not null" if path != [] else "path is null" if self.logLevel > 0: print sourceLayoutBlock.getUserName(), destinationLayoutBlock.getUserName(), msg # print # print "in get_optimal_path d" # print "first path name", path_name # print "block_names", block_names # print "self.path_is_inhibited(path)", self.path_is_inhibited(path_name) # print paths = [] # get an alternate path if the path found is inhibited ` # if sourceLayoutBlock.getUserName() == "SidingMiddlleLHS" \ # and destinationLayoutBlock.getUserName() == "SidingMiddlleRHS": # # print "bingo" # # print "first path name", path_name, "weight", weight # inhibited = self.path_is_inhibited(path_name) # # print "self.path_is_inhibited(path)", self.path_is_inhibited(path_name) paths.append([path,weight]) if self.path_is_inhibited(path_name): # print "path is inhibited" # print "paths1", paths # get the path and weight with blocks not allowed not_allowed_blocks = self.get_blocks_to_not_allow(path) # print "not_allowed_blocks", not_allowed_blocks self.set_do_not_allow_blocks(not_allowed_blocks) validateOnly = False try: #try calculating a new path without the inhibited blocks new_path = LayoutBlockConnectivityTools.getLayoutBlocks(sourceLayoutBlock, destinationLayoutBlock, protectingLayoutBlock, validateOnly, pathMethod) # if we get this far there is an alternate path which avoids the inhibited blocks. # Use this for the express route # print "calculated new path" # print "new path", new_path path_name = [str(x.getUserName()) for x in new_path] self.allow_all_blocks() new_weight = self.path_weight(new_path) # print "new path", path # print "new path", path_name, "weight", weight if [new_path, new_weight] not in paths: paths.append([new_path, new_weight]) # print "paths2", paths # get the best one # print "paths", paths [path, weight] = self.path_with_smallest_weight(paths) # print "path", path, "weight", weight path_name = [str(x.getUserName()) for x in path] # print "best path", path_name, "weight", weight except: # if the try does not work we continue using the original calucated path pass return [path, weight] def blocks_to_allow(self, path): source_block = path[0].getUserName() protecting_block = path[1].getUserName() destination_block = path[-1].getUserName() protecting_destination_block = path[-2].getUserName() return [source_block,protecting_block,protecting_destination_block,destination_block] def get_blocks_to_not_allow(self, path): # print "+++++++ get_blocks_to_not_allow +++++" path_name = [str(x.getUserName()) for x in path] inhibited_blocks = self.list_inhibited_blocks list_blocks_to_not_allow = [] if inhibited_blocks != None: for block_pair in inhibited_blocks: # print "block_pair", block_pair # print "inhibited_blocks", inhibited_blocks if self.sublist_in_list(block_pair, path_name): # block_pair contains the blocks to inhibit blocks_to_not_allow = [blk for blk in block_pair if blk not in self.blocks_to_allow(path)] # print "self.blocks_to_allow(path)", self.blocks_to_allow(path) # print "blocks_to_not_allow", blocks_to_not_allow # print "block_pair", block_pair list_blocks_to_not_allow.extend(blocks_to_not_allow) # print "list_blocks_to_not_allow", list_blocks_to_not_allow path_name = [str(x.getUserName()) for x in path] #print "path_name", path_name # print "list_blocks_to_not_allow", list_blocks_to_not_allow # print "+++++++ end get_blocks_to_not_allow +++++" return list_blocks_to_not_allow def set_do_not_allow_blocks(self, inhibited_blocks): #need to set extra color of blocks layoutBlocks = [self.get_layout_block(block_name) for block_name in inhibited_blocks] for layoutBlock in layoutBlocks: if layoutBlock != None: layoutBlock.setUseExtraColor(True) def allow_all_blocks(self): layoutBlocks = [self.get_layout_block(block) for block in blocks.getNamedBeanSet()] for layoutBlock in layoutBlocks: if layoutBlock != None: layoutBlock.setUseExtraColor(False) def get_list_inhibited_blocks(self): list_inhibited_blocks = self.read_list() self.list_inhibited_blocks = list_inhibited_blocks # print "list_inhibited_blocks", list_inhibited_blocks def path_is_inhibited(self, path_name): existing = self.list_inhibited_blocks #print "existing", existing # print "*****path is inhibited *****" ret = False if existing != None: for check in existing: # print "check", check # print "path_name", path_name # print "self.sublist_in_list(check, path_name)", self.sublist_in_list(check, path_name) # print "*****" if self.sublist_in_list(check, path_name): # print "setting ret True" ret = True # print "ret", ret # print "***** end path is inhibited *****" return ret def path_with_smallest_weight(self, paths): best_path = paths[0][0] best_weight = paths[0][1] # print "path_with_smallest_weight: best_path", best_path, "BEST_WEIGHT", best_weight for [path, weight] in paths: if weight < best_weight: best_path = path best_weight = weight return [best_path, best_weight] def sublist_in_list(self,sublist, test_list): res = False #print "(len(test_list) - len(sublist) + 1)", (len(test_list) - len(sublist) + 1) for idx in range(len(test_list) - len(sublist) + 1): #print "test_list[idx : idx + len(sublist)]", test_list[idx : idx + len(sublist)], "sublist", sublist if test_list[idx : idx + len(sublist)] == sublist: res = True break #print "test_list", test_list, "sublist", sublist, "in_list", res return res def directory(self): path = jmri.util.FileUtil.getUserFilesPath() + "dispatcher" + java.io.File.separator + "blockDirections" if not os.path.exists(path): os.makedirs(path) return path + java.io.File.separator def write_list(self, a_list): # store list in binary file so 'wb' mode file = self.directory() + "blockDirections.txt" if self.logLevel > 0: print "block_info" , a_list if self.logLevel > 0: print "file" +file with open(file, 'wb') as fp: for items in a_list: i = 0 for item in items: fp.write('%s' %item) if i == 0: fp.write(",") i+=1 fp.write('\n') #fp.write('\n'.join(item)) #fp.write(items) # Read list to memory def read_list(self): # for reading also binary mode is important file = self.directory() + "blockDirections.txt" n_list = [] try: with open(file, 'rb') as fp: for line in fp: x = line[:-1] y = x.split(",") n_list.append(y) return n_list except: return ["",""] def Sufficient_signal_masts_in_edge(self, e): global g EditorManager = jmri.InstanceManager.getDefault(jmri.jmrit.display.EditorManager) layoutPanels = [] for panel in EditorManager.getList(): if type(panel) == jmri.jmrit.display.layoutEditor.LayoutEditor: layoutPanels.append(panel) if self.logLevel > 1: print "******* signal_mast_list *******" if self.logLevel > 0: print "&&&&&&&&&&&&&&&&&&&&&&&&&&&&" if self.logLevel > 0: print "&&&& producing signal mast list for &&&&", e.getItem("path_name") if self.logLevel > 0: print "&&&&&&&&&&&&&&&&&&&&&&&&&&&&" signal_mast_list = java.util.ArrayList() signal_mast_list_all = java.util.ArrayList() #all the signal masts, possibly in a jumbled list, due to them being appended haphazardly signal_mast_list_view = [] signal_mast_list_views = java.util.ArrayList() panelNo = 0 no_panels_used = 0 for panel in layoutPanels: panelNo += 1 if self.logLevel > 0: print "*****panel" ,panelNo,"**********panelName", panel.getLayoutName() # 1) get the signal mast list excluding the last signal mast #if self.logLevel > 1: print "stopping",g.dict_path_stopping if self.logLevel > 1: print "edge = " , e.to_string() #layout_block_list = g.dict_path_stopping[e] layout_block_list = e.getItem("path") if self.logLevel > 1: print "layout_block_list",layout_block_list layout_block_list_name = e.getItem("path_name") if self.logLevel > 1: print "layout_block_list_name",layout_block_list_name #get the list of signal masts #panel = jmri.InstanceManager.getDefault(jmri.jmrit.display.EditorManager).get('My Layout') signal_mast_class = jmri.SignalMast lbctools= jmri.jmrit.display.layoutEditor.LayoutBlockConnectivityTools() if self.logLevel > 0: print "layout_block_list" signal_mast_list_for_panel=lbctools.getBeansInPath(layout_block_list,panel,signal_mast_class) #signal_mast_list_for_panel=lbctools.getBeansInPath(layout_block_list,None,signal_mast_class) if self.logLevel > 1: print "signal_mast_list_for_panel",[sm.getUserName() for sm in signal_mast_list_for_panel] if signal_mast_list_for_panel == [] : if self.logLevel > 0: print "continuing" continue #ignore panels where list of signal masts is blank no_panels_used += 1 signal_mast_list_views.append([sm.getUserName() for sm in signal_mast_list_for_panel]) if len(signal_mast_list_for_panel) > len(signal_mast_list): signal_mast_list = signal_mast_list_for_panel signal_mast_list_all.addAll([sm for sm in signal_mast_list_for_panel]) #remove duplicates if self.logLevel > 0: print "signal_mast_list_all with dups", signal_mast_list_all signal_mast_list_all = java.util.ArrayList(java.util.LinkedHashSet(signal_mast_list_all)) if self.logLevel > 0: print "signal_mast_list_all without dups", signal_mast_list_all #if self.logLevel > 1: print "signal_mast_list",[sm.getUserName() for sm in signal_mast_list] if self.logLevel > 0: print "signalmast list ", [sm.getUserName() for sm in signal_mast_list] if self.logLevel > 0: print "signal_mast_list_views ", signal_mast_list_views if self.logLevel > 0: print if self.logLevel > 0: print "signal_mast_list_all", signal_mast_list_all if self.logLevel > 0: print "signal_mast_list_all", [s.getUserName() for s in signal_mast_list_all] if self.logLevel > 0: print "no_panels_used", no_panels_used if signal_mast_list_all.size() == 0 : return False else: return True # r.Setup_station_block_list # /** # * Custom edge class labeled with relationship type. # */ # @example:edgeclass:begin class LabelledEdge(DefaultWeightedEdge): #label = "" logLevel = 0 # /** # * Constructs a relationship edge # * # * @param label the label of the new edge. # * # */ def __init__(self): self.dict = {} #self.label = label # for key, value in kwargs.items(): # self.dict[key]=value # /** # * Gets the label associated with this edge. # * # * @return edge label # */ def setItem(self, **kwargs): for key, value in kwargs.items(): self.dict[key]=value def getItem(self, item): if self.logLevel > 0: print self.dict if self.logLevel > 0: print "item = ", item return self.dict[item] def getTarget(self): line = self.toString() line = line.lstrip("( ").rstrip(" )").split(" : ") if self.logLevel > 0: print "Target line", line target = str(line[1]) if self.logLevel > 0: print "Target =", target return target def getSource(self): line = self.toString() line = line.lstrip("( ").rstrip(" )").split(" : ") if self.logLevel > 0: print "Source line", line source = str(line[0]) if self.logLevel > 0: print "Source =", source return source def to_string_one_line(self): item_list = "" for item, value in self.dict.items(): item_list = item_list + str(item) + " = " + str(value) +" : " if self.logLevel > 0: print "item_list", item_list if self.logLevel > 0: print item_list return "*****to_string*****(" + self.getSource() + " : " + self.getTarget() + " : " + item_list.rstrip(": ") + ")" def to_string(self): item_list = "\n" for item, value in self.dict.items(): item_list = item_list + str(item) + " = " + str(value) +" :\n " if self.logLevel > 0: print "item_list", item_list if self.logLevel > 0: print item_list return "*****to_string*****(\n" + self.getSource() + " : " + self.getTarget() + " : " + item_list.rstrip(": ") + ")*****to_string end*******"