Utilisation de GraphViz avec Python

• https://bioinfo-fr.net/python-dessine-moi-un-graphe

pip install graphviz

import pygraphviz as pgv
 
graph = pgv.AGraph(directed=True)
 
graph.add_edge("A", "B", color="green", style="dashed")
graph.add_edge("B", "C", color="red")
 
graph.layout("dot")
graph.draw("graph.png")
 
graph.close()

print(graph.string())

graph.add_edge("A", "B", color="green", style="dashed")
graph.add_edge("B", "C", color="red")
graph.add_edge("C", "D")
graph.add_edge("E", "D")
graph.add_edge("D", "F")
 
graph.add_subgraph(["D", "E", "F"], name="cluster_machin") # le sous-graphe doit commencer par "cluster_" pour afficher un cadre !