Warning

This documents an unmaintained version of NetworkX. Please upgrade to a maintained version and see the current NetworkX documentation.

Pygraphviz Attributes

An example showing how to use the interface to the pygraphviz AGraph class to convert to and from graphviz.

Also see the pygraphviz documentation and examples at http://pygraphviz.github.io/

# Author: Aric Hagberg (hagberg@lanl.gov)

#    Copyright (C) 2006-2017 by
#    Aric Hagberg <hagberg@lanl.gov>
#    Dan Schult <dschult@colgate.edu>
#    Pieter Swart <swart@lanl.gov>
#    All rights reserved.
#    BSD license.

import networkx as nx

# networkx graph
G = nx.Graph()
# ad edges with red color
G.add_edge(1, 2, color='red')
G.add_edge(2, 3, color='red')
# add nodes 3 and 4
G.add_node(3)
G.add_node(4)

# convert to a graphviz agraph
A = nx.nx_agraph.to_agraph(G)

# write to dot file
A.write('k5_attributes.dot')

# convert back to networkx Graph with attributes on edges and
# default attributes as dictionary data
X = nx.nx_agraph.from_agraph(A)
print("edges")
print(list(X.edges(data=True)))
print("default graph attributes")
print(X.graph)
print("node node attributes")
print(X.node)

Total running time of the script: ( 0 minutes 0.000 seconds)