def createGraphML(): global g g = Graph() c.execute('select uid from userdata') dataList = c.fetchall() gnodes = [] edges = [] for i in dataList: i = str(i) i = i.replace("(", "").replace(",)", "").replace("L", "") i = int(i) c.execute('select distinct low from graphdata where high=?', (i, )) relate = c.fetchall() if not i in gnodes: g.add_node(i) gnodes.append(i) for e in relate: e = str(e) e = e.replace("(", "").replace(",)", "").replace("L", "") e = int(e) if not e in gnodes: g.add_node(e) gnodes.append(e) # edges.append(i) # edges.append(e) #1 if edges2.count(e) > 1: g.add_edge_by_label(str(i), str(e)) parser = GraphMLParser() parser.write(g, "myGraph.graphml")
def __write_graphML(self): """Writes the .graphml file. Uses class Graph from pygraphml library to create the graph. Also it uses class GraphMLParser from pygraphml library to write the file. """ gr = Graph() # Adding nodes in the graph with properties. for sub in self.nodes_prop.keys(): n = gr.add_node(sub) for pair_prop in self.nodes_prop[sub]: n[pair_prop[0]] = pair_prop[1] # Adding nodes in the graph without properties. for node in self.nodes.values(): if node not in self.nodes_prop.keys(): gr.add_node(node) # Checking the relations between nodes and creating respective edges. for relation in self.relations: source = self.nodes[relation[0]] target = self.nodes[relation[2]] edge = gr.add_edge_by_label(source, target) edge.set_directed(True) edge['model'] = relation[1] # Writting the file. parser = GraphMLParser() file_name = self.file_name.split(".") file_name = file_name[0] parser.write(gr, file_name + ".graphml") print("File " + file_name + ".graphml is succesfully written")
def __init__(self): """ Initializes graph parameters. """ self.g = Graph() self.vertex_id = 0 self.edge_id = 0
def __init__(self, lines): """ """ self.lines = lines self.graph = Graph() self.i = 0 self.createGraph()
def from_graphml(fname: str) -> Graph: parser = GraphMLParser() gml = parser.parse(fname) g = Graph() for node in gml._nodes: g.adj[Node(id=node.id)] for edge in gml._edges: g.adj[Node(id=edge.node1.id)].append(Node(id=edge.node2.id)) return g
def loadgraph(addr): gphml = Graph() gmatrix = loadmat(addr)["A"].toarray() for i in range(len(gmatrix)): n = gphml.add_node() n.id = str(i) for i in range(len(gmatrix)): for j in range(i + 1, len(gmatrix)): if gmatrix[i, j] == 1: gphml.add_edge_by_id(str(i), str(j)) return gphml
def create_graph(): Item.ID = 0 g = Graph() n1 = g.add_node("A") n2 = g.add_node("B") n3 = g.add_node("C") n4 = g.add_node("D") n5 = g.add_node("E") g.add_edge(n1, n3) g.add_edge(n2, n3) g.add_edge(n3, n4) g.add_edge(n3, n5) return g
def generate_chain(screen_name, store_graph): fh = open("downloaded/%s/tweets.txt" % screen_name, "r") chain = {} g = Graph() nodes = {} def generate_trigram(words): if len(words) < 3: return for i in range(len(words) - 2): yield (words[i], words[i + 1], words[i + 2]) if ((words[i], words[i + 1]) in nodes): if ((words[i + 2]) in nodes): g.add_edge(nodes[(words[i], words[i + 1])], nodes[(words[i + 2])]) else: nodes[(words[i + 2])] = g.add_node(words[i + 2]) g.add_edge(nodes[(words[i], words[i + 1])], nodes[(words[i + 2])]) else: nodes[(words[i], words[i + 1])] = g.add_node(words[i] + words[i + 1]) if ((words[i + 2]) in nodes): g.add_edge(nodes[(words[i], words[i + 1])], nodes[(words[i + 2])]) else: nodes[(words[i + 2])] = g.add_node(words[i + 2]) g.add_edge(nodes[(words[i], words[i + 1])], nodes[(words[i + 2])]) for line in fh.readlines(): words = line.split() for word1, word2, word3 in generate_trigram(words): key = (word1, word2) if key in chain: chain[key].append(word3) else: chain[key] = [word3] if (store_graph): parser = GraphMLParser() parser.write(g, "downloaded/%s/graph.graphml" % screen_name) pickle.dump(chain, open("downloaded/%s/chain.p" % screen_name, "wb"))
def do_harvest(query, iterations): book_data = {} currentPosition = 0 query_string = QUERY_FORMAT_STRING.format(query) graph = Graph() parser = JSONParser.JSONParser() # map for collecting nodes nodes = {} while (iterations > len(nodes)): page = requests.get(query_string) tree = html.fromstring(page.content) links = tree.xpath('//table[@id="searchresult"]//a/@href') if (len(links) == 0): break for link in links: book_info_response = requests.get(BASE_URL_DNB + link) get_data_from_book_info(book_data, book_info_response, "Titel") get_data_from_book_info(book_data, book_info_response, "Person(en)") get_data_from_book_info_link(book_data, book_info_response, "Schlagwörter") if (len(book_data['Schlagwörter']) > 0): for v in book_data.values(): print(v) for s in book_data['Schlagwörter']: node = None node = graph.add_node(s) nodes[s] = node s1 = book_data['Schlagwörter'][0] for s in book_data['Schlagwörter']: if s != s1: edge = graph.add_edge(nodes[s1], nodes[s]) edge['label'] = book_data['Titel'] query_string = QUERY_FORMAT_STRING_2.format(query, str(currentPosition)) currentPosition += len(links) iterations -= 1 return parser.tostring(graph)
def writeToGraphml(pages, fileName): graph = Graph() nodes = [] # creating nodes for page in pages: node = graph.add_node(page.id) node['title'] = page.title node['url'] = page.url if not page.mainCategory is None: node['main_category'] = page.mainCategory.title nodes.append(node) # creating edges for page in pages: # if there are edges if page.linksTo: for pageId in page.linksTo: e = graph.add_edge(nodes[page.id], nodes[pageId]) e.set_directed(True) parser = GraphMLParser() parser.write(graph, fileName)
def generate_graph(similarity, attr): from pygraphml import Graph items = similarity.items() labels = np.array([artist for artist, obj in items]) network = np.zeros((labels.size, labels.size)) g = Graph() for artist in labels: g.add_node(artist) for artist_id, x in enumerate(items): network[artist_id, artist_id] = 1 artist, obj = x if attr == "emotion": for idx, score in enumerate(obj["emotion_sim"]): if network[artist_id, idx] == 0 and network[idx, artist_id] == 0: edge = g.add_edge_by_label(labels[artist_id], labels[idx]) if score == 0: edge["weight"] = 0.001 else: edge["weight"] = score network[artist_id, idx] = 1 network[idx, artist_id] = 1 elif attr == "topic": for idx, score in enumerate(obj["topic_sim"]): if network[artist_id, idx] == 0 and network[idx, artist_id] == 0: edge = g.add_edge_by_label(labels[artist_id], labels[idx]) if score == 0: edge["weight"] = 0.001 else: edge["weight"] = score network[artist_id, idx] = 1 network[idx, artist_id] = 1 return g
def generate_graph_with_clusters(summary, attr): from pygraphml import Graph items = summary.items() labels = np.array([artist for artist, obj in items]) g = Graph() for artist in labels: g.add_node(artist) if attr == "emotion": for category in EMOTION_CATEGORIES: g.add_node(category) elif attr == "topic": for category in TOPIC_CATEGORIES: g.add_node(category) for artist_id, x in enumerate(items): arist, obj = x if attr == "emotion": for idx, score in enumerate(obj["emotions"]): edge = g.add_edge_by_label(EMOTION_CATEGORIES[idx], labels[artist_id]) if score == 0: edge["weight"] = 0.001 # Set to very small value else: edge["weight"] = score elif attr == "topic": for idx, score in enumerate(obj["topics"]): edge = g.add_edge_by_label(TOPIC_CATEGORIES[idx], labels[artist_id]) if score == 0: edge["weight"] = 0.001 # Set to very small value else: edge["weight"] = score return g
# binary tree with a "deep and cheap" left half and an expensive but shallow right half from pygraphml import Graph, GraphMLParser test2 = Graph() a = test2.add_node("A") b = test2.add_node("B") c = test2.add_node("C") d = test2.add_node("D") e = test2.add_node("E") f = test2.add_node("F") g = test2.add_node("G") h = test2.add_node("H") i = test2.add_node("I") j = test2.add_node("J") k = test2.add_node("K") l = test2.add_node("L") m = test2.add_node("M") n = test2.add_node("N") o = test2.add_node("O") p = test2.add_node("P") q = test2.add_node("Q") r = test2.add_node("R") s = test2.add_node("S") test2.add_edge(a, b, directed=True) test2.add_edge(b, c, directed=True) test2.add_edge(b, d, directed=True) test2.add_edge(c, e, directed=True) test2.add_edge(c, f, directed=True)
from pygraphml.GraphMLParser import * from pygraphml.Graph import * from pygraphml.Node import * from pygraphml.Edge import * import sys # parser = GraphMLParser() # g = parser.parse(sys.argv[1]) # root = g.set_root_by_attribute("RootNode") # #print g.root() # for n in g.DFS_prefix(): # print n # #g.show(True) g = Graph() n1 = g.add_node("salut") n2 = g.add_node("coucou") n1['positionX'] = 555 g.add_edge(n1, n2) parser = GraphMLParser() parser.write(g, "ttest.graphml") #g.show()
def get_data_from_book_info (book_data, response, field_name): tree = html.fromstring(response.content) field_data = tree.xpath('//td/strong[text() = "{}"]/../../td/text()'.format(field_name)) field_string = "" for field in field_data: field_string = field_string + field.replace("\n","").replace("\r","").replace("\t","") book_data[field_name] = field_string if __name__ == "__main__": book_data = {} currentPosition = 0; query_string = QUERY_FORMAT_STRING.format(QUERY); file_handles = {}; graph = Graph(); parser = GraphMLParser() filename = "book_data_" + QUERY + ".graphml" # map for collecting nodes nodes = {} while(True): page = requests.get(query_string) tree = html.fromstring(page.content) links = tree.xpath('//table[@id="searchresult"]//a/@href') if(len(links) == 0): break; for link in links: book_info_response = requests.get(BASE_URL_DNB + link)
def displayGroundTruth(self,agent=WORLD,x0=0,y0=0,maxRows=10,recursive=False,selfCycle=False): if agent == WORLD: self.clear() if __graph__: self.xml = Graph() else: self.xml = None x = x0 y = y0 if agent == WORLD: if not self.graph: self.graph = graph.DependencyGraph(self.world) self.graph.computeGraph() g = self.graph state = self.world.state else: g = self.graph = graph.DependencyGraph(self.world) state = self.world.agents[agent].getBelief() assert len(state) == 1 g.computeGraph(state=next(iter(state.values())),belief=True) layout = getLayout(g) if agent == WORLD: # Lay out the action nodes x = self.drawActionNodes(layout['action'],x,y,maxRows) xPostAction = x believer = None xkey = 'xpost' ykey = 'ypost' else: believer = agent xkey = beliefKey(believer,'xpost') ykey = beliefKey(believer,'ypost') # Lay out the post variable nodes x = self.drawStateNodes(layout['state post'],g,x,y,xkey,ykey,believer,maxRows) # Lay out the observation nodes if agent == WORLD: x = self.drawObservationNodes(x,0,self.graph,xkey,ykey) # Lay out the utility nodes if agent == WORLD: if recursive: uNodes = [a.name for a in self.world.agents.values() \ if a.getAttribute('beliefs','%s0' % (a.name)) is True] else: uNodes = self.world.agents.keys() else: uNodes = [agent] x = self.drawUtilityNodes(x,y,g,uNodes) if agent == WORLD: # Draw links from utility back to actions for name in self.world.agents: if recursive and \ self.world.agents[name].getAttribute('beliefs','%s0' % (name)) is not True: y += (maxRows+1) * self.rowHeight self.displayGroundTruth(name,xPostAction,y,maxRows=maxRows,recursive=recursive) if name in g: actions = self.world.agents[name].actions for action in actions: if action in g: if gtnodes and str(action) not in gtnodes: continue self.drawEdge(name,action,g) self.colorNodes() # Draw links, reusing post nodes as pre nodes for key,entry in g.items(): if isStateKey(key) or isBinaryKey(key): if not isFuture(key): key = makeFuture(key) if agent != WORLD: key = beliefKey(agent,key) elif agent != WORLD: continue if gtnodes: if (isFuture(key) and makePresent(key) not in gtnodes) or (not isFuture(key) and str(key) not in gtnodes): if not isBeliefKey(key): continue for child in entry['children']: if agent != WORLD and child in self.world.agents and not child in uNodes: continue if (isStateKey(child) or isBinaryKey(child)) and agent != WORLD: if isBinaryKey(child) or state2agent(child) == WORLD or \ state2feature(child) not in self.world.agents[state2agent(child)].omega: child = beliefKey(agent,child) elif agent != WORLD and not child in uNodes: continue if child in self.world.agents and not child in uNodes: continue if gtnodes and makePresent(child) not in gtnodes: continue if selfCycle or key != child: self.drawEdge(key,child,g) x += self.colWidth if recursive: rect = QRectF(-self.colWidth/2,y0-self.rowHeight/2, x,(float(maxRows)+.5)*self.rowHeight) self.agents[agent] = {'box': QGraphicsRectItem(rect)} self.agents[agent]['box'].setPen(QPen(QBrush(QColor('black')),3)) self.agents[agent]['box'].setZValue(0.) if agent != WORLD: self.agents[agent]['text'] = QGraphicsTextItem(self.agents[agent]['box']) doc = QTextDocument(agent,self.agents[agent]['text']) self.agents[agent]['text'].setPos(rect.x(),rect.y()) self.agents[agent]['text'].setTextWidth(rect.width()) self.agents[agent]['text'].setDocument(doc) if agent != WORLD: color = self.world.diagram.getColor(agent) color.setAlpha(128) self.agents[agent]['box'].setBrush(QBrush(QColor(color))) self.addItem(self.agents[agent]['box']) if agent == WORLD: for observer in self.world.agents.values(): if observer.O is not True: for omega,table in observer.O.items(): if gtnodes and omega not in gtnodes: continue if self.xml: for oNode in self.xml.nodes(): if oNode['label'] == omega: break else: raise ValueError('Unable to find node for %s' % (omega)) for action,tree in table.items(): if action is not None: if self.xml and (len(gtnodes) == 0 or str(action) in gtnodes): for aNode in self.xml.nodes(): if aNode['label'] == str(action): break else: raise ValueError('Unable to find node for %s' % (action)) self.xml.add_edge(aNode,oNode,True) for key in tree.getKeysIn(): if key != CONSTANT: if self.xml: for sNode in self.xml.nodes(): if sNode['label'] == key: break else: raise ValueError('Unable to find node for %s' % (key)) self.xml.add_edge(sNode,oNode,True) label = '%sBeliefOf%s' % (observer.name,key) bNode = self.getGraphNode(label) self.xml.add_edge(oNode,bNode,True) if recursive: belief = beliefKey(observer.name,makeFuture(key)) self.drawEdge(omega,belief) for name in self.world.agents: # Draw links from non-belief reward components model = '%s0' % (name) R = self.world.agents[name].getReward(model) if R: for parent in R.getKeysIn() - set([CONSTANT]): if beliefKey(name,makeFuture(parent) not in self.nodes['state post']): # Use real variable self.drawEdge(makeFuture(parent),name,g) parser = GraphMLParser() parser.write(self.xml,'/tmp/GroundTruth-USC.graphml')
# basic binary tree with all edge weights = 1 from pygraphml import Graph, GraphMLParser test1 = Graph() a = test1.add_node("A") b = test1.add_node("B") c = test1.add_node("C") d = test1.add_node("D") e = test1.add_node("E") f = test1.add_node("F") g = test1.add_node("G") h = test1.add_node("H") i = test1.add_node("I") j = test1.add_node("J") k = test1.add_node("K") l = test1.add_node("L") m = test1.add_node("M") n = test1.add_node("N") o = test1.add_node("O") test1.add_edge(a, b, directed=True) test1.add_edge(a, c, directed=True) test1.add_edge(b, d, directed=True) test1.add_edge(b, e, directed=True) test1.add_edge(c, f, directed=True) test1.add_edge(c, g, directed=True) test1.add_edge(d, h, directed=True) test1.add_edge(d, i, directed=True) test1.add_edge(e, j, directed=True)
# Radiation grid from CSCI 6550 HW 1 from pygraphml import Graph, GraphMLParser radiation = Graph() two = radiation.add_node("2") three = radiation.add_node("3") four = radiation.add_node("4") six = radiation.add_node("6") seven = radiation.add_node("7") nine = radiation.add_node("9") ten = radiation.add_node("10") eleven = radiation.add_node("11") twelve = radiation.add_node("12") thirteen = radiation.add_node("13") fourteen = radiation.add_node("14") fifteen = radiation.add_node("15") edge = radiation.add_edge(two, three, directed=True) edge['weight'] = 9 edge = radiation.add_edge(two, six, directed=True) edge['weight'] = 11 edge = radiation.add_edge(three, two, directed=True) edge['weight'] = 9 edge = radiation.add_edge(three, four, directed=True) edge['weight'] = 10 edge = radiation.add_edge(three, seven, directed=True) edge['weight'] = 11
# Toy problem from the textbook: Romanian road map from pygraphml import Graph, GraphMLParser romania = Graph() oradea = romania.add_node("Oradea") zerind = romania.add_node("Zerind") arad = romania.add_node("Arad") sibiu = romania.add_node("Sibiu") fagaras = romania.add_node("Fagaras") timisoara = romania.add_node("Timisoara") rv = romania.add_node("Rimnicu Vilcea") lugoj = romania.add_node("Lugoj") pitesti = romania.add_node("Pitesti") mehadia = romania.add_node("Mehadia") drobeta = romania.add_node("Drobeta") craiova = romania.add_node("Craiova") bucharest = romania.add_node("Bucharest") giurgiu = romania.add_node("Giurgiu") urziceni = romania.add_node("Urziceni") neamt = romania.add_node("Neamt") iasi = romania.add_node("Iasi") vaslui = romania.add_node("Vaslui") hirsova = romania.add_node("Hirsova") eforie = romania.add_node("Eforie") o2z = romania.add_edge(oradea, zerind, directed=False) o2z['weight'] = 71 z2a = romania.add_edge(zerind, arad, directed=False)