Example #1
0
def check_graph(drops, graph, forbidden):
    for g in Generator(graph, drops, forbidden, logger=LOGGER).iterate():
        if special_graph(g):
            f = File(MYPATH, G=g, logger=LOGGER, base="")
            fp = f.save()
            LOGGER.info("Found the special graph")
            print("Found the special graph")
def go():
    for g in Generator(GRAPH, DROPS, FORBIDDEN, logger=LOGGER).iterate():
        if not check_condition_holds(g):
            f = File(MYPATH, G=g, logger=LOGGER, base="")
            fp = f.save()
            LOGGER.info("Found the special graph")
            print("Found the special graph")
Example #3
0
def process():
    index = 0
    #Generate an array corresponding to the k-vertices we want to add to c7
    for add in combinations_with_replacement(range(4), 7):
        print(add)
        #We can have at most 3 Z's and 2 Y's, making 5 possible vertices we can add
        if count(add) > 5:
            break
        for thisPermutation in permutations(add):
            #copy initial graph (c7) and add vertices
            #self.g = BASE.copy()
            g = make_cycle(7)
            add_vertices(g, thisPermutation)
            check = True
            #we want our graph to remain {4k1,c4,c6}-free
            for H in FORBIDDEN:
                if induced_subgraph(g, H):
                    check  = False
                    break
            if check:
                #log it
                f = File(DIRECTORY, G=g, logger=LOGGER, base="C5-")
                fp = f.save()
                if fp is not None:
                    index += 1
                    print("Created Graph: %d" % index)
Example #4
0
def go():
    count = 0
    for g in Generator(GRAPH, DROPS, FORBIDDEN, logger=LOGGER).iterate():
        count += 1
        if not conjecture_holds(g):
            f = File(MYPATH, G=g, logger=LOGGER, base="")
            fp = f.save()
            LOGGER.info("Found the special graph")
            print("Found the special graph")
        if count % 1000 == 0:
            print("Checked {} graphs".format(count))
    print("Done")
Example #5
0
def Process():

    count = 1
    allZSetPossibilities = GenerateZSetPossibilities()
    thisGraph = ConstructBaseGraph()
    
    for thisZConfig in allZSetPossibilities:
        WriteToLogFile("Current Z Configuration {0}".format(count))
        #add the extra Z's (and appropriate edges) if needed
        for thisZ in enumerate(thisZConfig):
            if thisZ[1] != 1:
                #add the extra node
                nodeIndex = thisGraph.number_of_nodes()
                thisGraph.add_node(nodeIndex)
                Z_SETS[thisZ[0]].append(nodeIndex)
                #Z forms a clique
                for thisExistingZ in Z_SETS[thisZ[0]]:
                    if nodeIndex != thisExistingZ:
                        thisGraph.add_edge(nodeIndex, thisExistingZ)
                #add the edges for C5
                    thisGraph.add_edge((thisZ[0] - 1) % NUMBER_OF_Z_SETS, nodeIndex)
                    thisGraph.add_edge(thisZ[0] % NUMBER_OF_Z_SETS, nodeIndex)
                    thisGraph.add_edge((thisZ[0] + 1) % NUMBER_OF_Z_SETS, nodeIndex)
                    
        #generate all possible edge permutations
        allZVertices = []
        for thisZSet in Z_SETS:
            for thisZ in thisZSet:
                allZVertices.append(thisZ)

        graphToTest = deepcopy(thisGraph)
        for thisEdgePosssibility in product(range(2),repeat = len(allZVertices)):
            #add each of these edge sets to the graph we will test
            AddEdges(graphToTest, thisEdgePosssibility, allZVertices)
            #Check to ensure it does not contain a forbidden induced subgraph
            
            if GIsHFree(graphToTest, FORBIDDEN_INDUCED_SUBGRAPHS):
                #Check that the clique number is equal to the chromatic number
                if CliqueNumEqualsChromaticNum(graphToTest):
                    WriteToLogFile("Graph Passed.")
                else:
                    WriteToLogFile("Graph Failed!")
                    f = File(DIRECTORY, G = graphToTest, logger = MY_LOGGER, base="C5-")
                    f.save()
                    
            graphToTest.clear()
            graphToTest = deepcopy(thisGraph)
            
        WriteToLogFile("Proceeding to analyze new Z configuration!")
        count += 1

    return
Example #6
0
 def getFile(self):
     now = datetime.now()
     dateString = now.strftime("%Y%m%d_%H%M%S")
     path = os.path.join(
         self.params.data_directory,
         self.params.dataset_name + '__lda_' + str(dateString) + '.csv')
     file = File(path)
     return file
Example #7
0
def FinalProcessGraph(G):
    
    result = ""
    
    if(GIsHFree(G, FORBIDDEN_SUBGRAPHS)):
        #check that the clique number equals the chromatic number
        if CliqueNumEqualsChromaticNum(G):
            result = "Graph Passed"
        else:
            result = "Graph Failed!!"
            #save em'
            f = File(DIRECTORY, G = G, logger = MY_LOGGER, base="C5-")
            f.save()
    else:
        #Mainly for my own interest. This should never happen since we are following the rules!
        result = "CONAINS FORBIDDEN INDUCED SUBGRAPH!!"
    
    return result
def Process():
    
    currentZSize = 1
    
    #construct each graph
    while currentZSize <= MAX_Z_SIZE:
        
        LogGraphInfo("Checking graphs with |Zi| = |Zi+1| = " + str(currentZSize))
        
        thisGraph, firstZVertices, secondZVertices = ConstructGraph(currentZSize)
        baseGraph = copy.deepcopy(thisGraph)
        
        #Look at all possible edge configurations between the two Z sets
        
        #Create a set of all edges
        allPossibleEdges = set()
        for i in product(firstZVertices, secondZVertices):
            allPossibleEdges.add(i)
            
        #Now, we need to look at/create all possible graphs we can create from Zi and Zi+1
        for i in range(0, 2 * currentZSize + 1):
            for thisCombination in combinations(allPossibleEdges,i):
                for edge in thisCombination:
                    thisGraph.add_edge(edge[0], edge[1]) #create the graph for each config
                    
                #Now we need to make sure the graph we created is (4k1, C4, C6)-free
                if IsHFreeGraph(FORBIDDEN, thisGraph):
                    if ChromaticNumberEqualsCLiqueNumber(thisGraph):
                        LogGraphInfo("Graph Passed.")
                    else:
                        LogGraphInfo("Graph Failed.")
                        f = File(DIRECTORY, G = thisGraph, logger = LOGGER, base = "C5-")
                        fp = f.save()
                
                thisGraph.clear()
                thisGraph = copy.deepcopy(baseGraph)
                    
        currentZSize += 1
        thisGraph.clear()
        baseGraph.clear()
    
    return
def GenerateAllGraphsWithManyXNoY(xCardinalityUpperBound):

    t = range(1, xCardinalityUpperBound)
    graphConfigSet = set(set(product(set(t),repeat = CYCLE_LENGTH)))

    for thisGraphConfiguration in graphConfigSet:
        myGraph = ConstructBaseGraph()
        for thisSetIndex in range(0,CYCLE_LENGTH):
            if thisGraphConfiguration[thisSetIndex] >= 2:
                myGraph = AddXSet(myGraph, thisGraphConfiguration[thisSetIndex] - 1, False, thisSetIndex)
                       
        if not (GIsHFree(myGraph, FORBIDDEN_SUBGRAPHS)):
            print("ERROR!")
            f = File(DIRECTORY, G = myGraph, logger = MY_LOGGER, base="C5-")
            f.save()
            exit()
            
        result = TheAlgorithm(myGraph)
        
        if(result == True):
            print("Conjecture Holds.")
        else:
            print("Conjecture Fails!")
            G = convert_node_labels_to_integers(G, 0, ordering='default', label_attribute = None)
            f = File(DIRECTORY, G = myGraph, logger = MY_LOGGER, base="C5-")
            f.save()
            
        myGraph.clear()

    return
def DifferentSizeXSetsNoYSetsTest(xCardinalityUpperBound):

    t = range(1,xCardinalityUpperBound)
    graphConfigSet = set(set(product(set(t),repeat = CYCLE_LENGTH)))

    for thisGraphConfiguration in graphConfigSet:
        myGraph = ConstructOnion(1)
        for thisSetIndex in range(0,CYCLE_LENGTH):
            if thisGraphConfiguration[thisSetIndex] >= 2:
                myGraph = AddXSet(myGraph, thisGraphConfiguration[thisSetIndex] - 1, False, thisSetIndex)
                 
        thisStrongStableSet = FindStrongStableSet(myGraph)
        
        if not (GIsHFree(myGraph, FORBIDDEN_SUBGRAPHS)):
            print("ERROR!")
            f = File(DIRECTORY, G = myGraph, logger = MY_LOGGER, base="C5-")
            f.save()
            exit()
         
        if thisStrongStableSet == None:
            print("G does not contain a strong stable set")
            WriteToLogFile("X Config: {0}".format(thisGraphConfiguration))
            f = File(DIRECTORY + "_X_only", G = myGraph, logger = MY_LOGGER, base="C5-")
            f.save()
        else:
            print("G does contain a strong stable set: {0}".format(thisStrongStableSet))
        myGraph.clear()

    return
def GenerateAllGraphsWithManyXNoY(xCardinalityUpperBound):

    t = range(1, xCardinalityUpperBound)
    graphConfigSet = set(set(product(set(t),repeat = CYCLE_LENGTH)))

    for thisGraphConfiguration in graphConfigSet:
        myGraph = ConstructBaseGraph()
        for thisSetIndex in range(0,CYCLE_LENGTH):
            if thisGraphConfiguration[thisSetIndex] >= 2:
                myGraph = AddXSet(myGraph, thisGraphConfiguration[thisSetIndex] - 1, False, thisSetIndex)
                       
        if not (GIsHFree(myGraph, FORBIDDEN_SUBGRAPHS)):
            print("ERROR!")
            print(myGraph.edges())
            f = File(DIRECTORY, G = myGraph, logger = MY_LOGGER, base="C5-")
            f.save()
            exit()
            
        coloring = GreedyColoring(myGraph)
        
        if(valid_coloring(coloring, myGraph)):
            print("Valid coloring")
        else:
            print("INVALID coloring!")
            f = File(DIRECTORY, G = myGraph, logger = MY_LOGGER, base="C5-")
            f.save()
            
        myGraph.clear()

    return
def DifferentSizeXAndDifferentSizeY(xyCardinalityUpperBound):
    
    #ALWAYS ADD X'S ***BEFORE*** adding your Y's!
    t = range(1,xyCardinalityUpperBound)
    xConfigSet = set(set(product(set(t),repeat = CYCLE_LENGTH)))
    yConfigSet = set(set(product(set(t),repeat = CYCLE_LENGTH)))
    
    badYConfigurations = set()
    #Now we need to sift through our Y sets and remove illegal ones
    #No more than 3 Y's
    for thisYConfig in yConfigSet:
        numberYSets = 0
        for i in range(0,CYCLE_LENGTH):
            if thisYConfig[i] == 2:
                numberYSets += 1;
                if thisYConfig[(i + 3) % CYCLE_LENGTH] == 2 or thisYConfig[(i + 4) % CYCLE_LENGTH] == 2:
                    badYConfigurations = badYConfigurations.union({thisYConfig})
                    break 
            if numberYSets > 3:
                badYConfigurations = badYConfigurations.union(set(thisYConfig))
                break

    yConfigSet.difference_update(badYConfigurations)
            
    # now we may construct our graphs!
    for thisXConfig in xConfigSet:
        for thisYConfig in yConfigSet:
            myGraph = ConstructOnion(1)
            for i in range(0,CYCLE_LENGTH):
                if thisXConfig[i] >= 2:
                    myGraph = AddXSet(myGraph, thisXConfig[i] - 1, False, i)
            for i in range(0,CYCLE_LENGTH):
                if thisYConfig[i] >= 2:
                    myGraph = AddYSet(myGraph, thisXConfig[i] - 1, False, i)
            
            #Since the strong stable set is probabilistic, run it a few times just in case
            #it returns None when in fact a strong stable set exists!
            for i in range(0,STABLE_SET_SEARCH_ITERATIONS):        
                thisStrongStableSet = FindStrongStableSet(myGraph)
                if thisStrongStableSet != None:
                    break
        
            if not (GIsHFree(myGraph, FORBIDDEN_SUBGRAPHS)):
                print("ERROR!")
                f = File(DIRECTORY, G = myGraph, logger = MY_LOGGER, base="C5-")
                f.save()
                exit()
             
            if thisStrongStableSet == None:
                print("G does not contain a strong stable set")
                WriteToLogFile("X Config: {0}    Y Config: {1}".format(thisXConfig, thisYConfig))
                f = File(DIRECTORY + "X_and_Y", G = myGraph, logger = MY_LOGGER, base="C5-")
                f.save()
            else:
                print("G does contain a strong stable set: {0}".format(thisStrongStableSet))
                
            myGraph.clear()

    return
def GenerateAllGraphsWithManyXManyY(xyCardinalityUpperBound):
    
    #ALWAYS ADD X'S ***BEFORE*** adding your Y's!
    t = range(1,xyCardinalityUpperBound)
    xConfigSet = set(set(product(set(t),repeat = CYCLE_LENGTH)))
    yConfigSet = set(set(product(set(t),repeat = CYCLE_LENGTH)))
    
    badYConfigurations = set()
    #Now we need to sift through our Y sets and remove illegal ones
    #No more than 3 Y's
    for thisYConfig in yConfigSet:
        numberYSets = 0
        for i in range(0,CYCLE_LENGTH):
            if thisYConfig[i] >= 2:
                numberYSets += 1;
                if thisYConfig[(i + 3) % CYCLE_LENGTH] == 2 or thisYConfig[(i + 4) % CYCLE_LENGTH] >= 2:
                    badYConfigurations = badYConfigurations.union({thisYConfig})
                    break 
            if numberYSets > 3:
                badYConfigurations = badYConfigurations.union(set(thisYConfig))
                break

    yConfigSet.difference_update(badYConfigurations)

    graphsAnalyzedSoFar = 0
    # now we may construct our graphs!
    for thisXConfig in xConfigSet:
        for thisYConfig in yConfigSet:
            myGraph = ConstructBaseGraph()
            for i in range(0,CYCLE_LENGTH):
                if thisXConfig[i] >= 2:
                    myGraph = AddXSet(myGraph, thisXConfig[i] - 1, False, i)
            for i in range(0,CYCLE_LENGTH):
                if thisYConfig[i] >= 2:
                    myGraph = AddYSet(myGraph, thisXConfig[i] - 1, False, i)
         
            if not (GIsHFree(myGraph, FORBIDDEN_SUBGRAPHS)):
                print("ERROR!")
                f = File(DIRECTORY, G = myGraph, logger = MY_LOGGER, base="C5-")
                f.save()
                exit()
              
            coloring = GreedyColoring(myGraph)
             
            if valid_coloring(coloring, myGraph):
                print("Valid Coloring")
            else:
                print("INVALID coloring!")
                f = File(DIRECTORY, G = myGraph, logger = MY_LOGGER, base="C5-")
                f.save()
                 
            myGraph.clear()
            graphsAnalyzedSoFar += 1
            print("Graphs Analyzed: {0}:" .format(graphsAnalyzedSoFar))

    return
sys.path.append("..") #Adds higher directory modules to python path
from graph.helper import make_cycle, make_cok4
from os import getcwd
from os.path import join
from utility.generator import Generator2
from utility.file import File
import logging

FORBIDDEN_SUBGRAPHS = [make_cycle(4), make_cycle(5), make_cycle(7), make_cok4()]

FAMILY = "C7-free"
DIRECTORY = join(getcwd(), 'GraphFamilies', FAMILY)
BASE_CYCLE = make_cycle(6)
BASE = "C7-free"
logging.basicConfig(filename=BASE+FAMILY+".log", level=logging.INFO, format='%(asctime)s %(message)s')
LOGGER = logging.getLogger(__name__)

generator = Generator2(BASE_CYCLE, 4, FORBIDDEN_SUBGRAPHS)
index = 0

for graph in generator.iterate():
    print("t")
    f = File(DIRECTORY, G=graph, logger=LOGGER, base=BASE)
    fp = f.save()
    if fp is not None:
        index += 1
        LOGGER.info("Unique graph found %s" % fp)
print("Total Graphs Produced: %d" % index)
print("Complete")
LOGGER.info("Total Graphs Produced %d" % index)
LOGGER.info("Complete")
Example #15
0
 def getFile(self, prefix = ''):
     now = datetime.now()
     dateString = now.strftime("%Y%m%d_%H%M%S")
     path = os.path.join(self.params.data_directory, 'cwr', self.getFileName(prefix + '_' + str(dateString)))
     file = File(path)
     return file
Example #16
0
        #add the new node
        vertexToAddNum = resultGraph.number_of_nodes()
        resultGraph.add_node(vertexToAddNum)
        x_sets[vertexIndex % CYCLE_LENGTH].append(vertexToAddNum)
        #add its edges
        resultGraph.add_edge( (vertexToAddNum - 1) % CYCLE_LENGTH, vertexToAddNum )
        resultGraph.add_edge( vertexToAddNum % CYCLE_LENGTH, vertexToAddNum)
        resultGraph.add_edge( (vertexToAddNum + 1) % CYCLE_LENGTH, vertexToAddNum)

    #x_i forms a clique
    for thisXSet in x_sets:
        if(len(thisXSet) > 1):
            for thisCliqueEdge in product(thisXSet, thisXSet):
                if(thisCliqueEdge[0] != thisCliqueEdge[1]):
                    resultGraph.add_edge(thisCliqueEdge[0], thisCliqueEdge[1])
                    
    #X_i joins its neighbours
    for thisXSetIndex in range(0,CYCLE_LENGTH):
        x1 = x_sets[thisXSetIndex]
        x2 = x_sets[(thisXSetIndex+1) % CYCLE_LENGTH]
        for vertexI in x1:
            for vertexJ in x2:
                resultGraph.add_edge(vertexI,vertexJ)
                    
    return resultGraph
 
result = Construct()
print("Clique number: {0}".format(graph_clique_number(result)))
f = File(DIRECTORY, G = result, logger = MY_LOGGER, base="C5-")
f.save()
Example #17
0
import sys
packagesPath = "/content/drive/My Drive/Colab Notebooks/packages/TextMining"
sys.path.append(packagesPath)

import os, logging, sys
from lc.evaluate import Evaluate
from utility.file import File
from params.core import Core as Params

logging.basicConfig(level=logging.INFO)
scriptParams = Params()
params = scriptParams.get()
scriptParams.save(params.data_directory)

book = File('/content/drive/My Drive/Colab Notebooks/data/bhot/bhotall')
sourceText = book.read()
#http://www.supersummary.com/a-brief-history-of-time/summary/
bookSummary = File(
    '/content/drive/My Drive/Colab Notebooks/data/bhot/bhotSummary2')
targetText = bookSummary.read()

evaluationProcessor = Evaluate(None, params)
allowedTypes = ['NN', 'NNP', 'NNS', 'NNPS']
#allowedTypes = ['VB', 'VBD', 'VBG', 'VBN', 'VBP', 'VBZ']
#allowedTypes = ['JJ', 'JJR', 'JJS']
#allowedTypes = ['RB', 'RBR', 'RBS']
#allowedTypes = ["CC","CD","DT","EX","FW","IN","JJ","JJR","JJS","LS","MD","NN","NNS","NNP","NNPS","PDT","POS","PRP","PRP$","RB","RBR","RBS","RP","SYM","TO","UH","VB","VBD","VBG","VBN","VBP","VBZ","WDT","WP","WP$","WRB"]
#allowedTypes = ['NN', 'NNP', 'NNS', 'NNPS', 'JJ', 'JJR', 'JJS' 'RB', 'RBR', 'RBS', 'VB', 'VBD', 'VBG', 'VBN', 'VBP', 'VBZ']
evaluationProcessor.setAllowedTypes(allowedTypes)
evaluationProcessor.initInfo()