def persist_graph(request, graph_id):
import pygraphviz as P
import networkx as N
graph = Graph.objects.get(pk=graph_id)
dot_path = graph.dot_file.storage.location + '/' + graph.dot_file.name
G = P.AGraph() # init empty graph
try:
G.read(dot_path) #read file
nodes = G.nodes()
edges = G.edges()
Node.objects.filter(graph__id=graph_id).delete()
Edge.objects.filter(graph__id=graph_id).delete()
for node in nodes:
new_node = Node()
new_node.graph = graph
new_node.name = node
new_node.label = node.attr['label']
new_node.save()
for edge in edges:
new_edge = Edge()
new_edge.graph = graph
new_edge.name = edge
new_edge.save()
except:
return False
return HttpResponse(pygraphviz_graph(request, G)) #response
def persist_graph(request, graph_id):
import pygraphviz as P
import networkx as N
graph = Graph.objects.get(pk=graph_id)
dot_path = graph.dot_file.storage.location + '/' + graph.dot_file.name
G = P.AGraph() # init empty graph
try:
G.read(dot_path) #read file
nodes = G.nodes()
edges = G.edges()
Node.objects.filter(graph__id=graph_id).delete()
Edge.objects.filter(graph__id=graph_id).delete()
for node in nodes:
new_node = Node()
new_node.graph = graph
new_node.name = node
new_node.label = node.attr['label']
new_node.save()
for edge in edges:
new_edge = Edge()
new_edge.graph = graph
new_edge.name = edge
new_edge.save()
except:
return False
return HttpResponse(pygraphviz_graph(request, G)) #response
def connect(cls,entity0,entity1): edge = Edge(entity0, entity1, name=cls.name) edge.save()
