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Python interface to Graphviz

Project description

PyGraphviz is a Python interface to the Graphviz graph layout and visualization package. With PyGraphviz you can create, edit, read, write, and draw graphs using Python to access the Graphviz graph data structure and layout algorithms. PyGraphviz provides a similar programming interface to NetworkX (

Simple example

>>> import pygraphviz as pgv
>>> G = pgv.AGraph()
>>> G.add_node("a")
>>> G.add_edge("b", "c")
>>> print(G)
strict graph "" {
        b -- c;


PyGraphviz requires Graphviz. Please see INSTALL.txt for details.


Released under the 3-Clause BSD license (see LICENSE):

Copyright (C) 2006-2022 PyGraphviz Developers
Aric Hagberg <>
Dan Schult <>
Manos Renieris

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