from graphviz.graph import Graph
g = Graph("G", "digraph")
n1 = g.add_node("Hello")
g2 = g.add_graph("c1")
e = g.add_edge("Hello", "World")
g2.add_edge("Toto", "Titi")
print g.output()
g.save("test.png")
from graphviz.graph import Graph
g = Graph("G")
c0 = g.add_graph( "cluster0" )
c0["label"] = "process #1"
c0["style"] = "filled"
c0["color"] = "lightgrey"
c0.node["style"] = "filled"
c0.node["color"] = "white"
a0 = c0.add_node( "a0" )
a1 = c0.add_node( "a1" )
a2 = c0.add_node( "a2" )
a3 = c0.add_node( "a3" )
c0.add_edge( a0, a1 )
c0.add_edge( a1, a2 )
c0.add_edge( a2, a3 )
c1 = g.add_graph( "cluster1" )
c1["label"] = "process #2"
c1["color"] = "blue"
c1.node["style"] = "filled"
b0 = c1.add_node( "b0" )
b1 = c1.add_node( "b1" )
b2 = c1.add_node( "b2" )
b3 = c1.add_node( "b3" )
c1.add_edge( b0, b1 )
c1.add_edge( b1, b2 )
c1.add_edge( b2, b3 )