save graphviz source to dot file using python

Question

I am writing a visualisation with graphviz in python. I imported graphviz and pylab. I figured out how to save the graphic representation

import graphviz as gv
import pylab

g1 = gv.Graph(format='png')

g1.node('A')
g1.node('B')
g1.edge('A', 'B')

g1.view()
print(g1.source) 

filename = g1.render(filename='img/g1')

pylab.savefig('filename.png')

How can i save the source to a .dot file?

Setop · Accepted Answer · 2018-01-22 18:05:59Z

11

When you used g1.render(filename='img/g1'), it dumped the source to img/g1.

Just open it with a text editor.

If you want to name it, used g1.render(filename='g1.dot').

answered Jan 22, 2018 at 18:05

Setop

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4 Comments

Christoph Over a year ago

My problem is now that the g1.render(filename='g1.dot') makes 2 outputs, so i would get a g1.dot and a g1.dot.png. Is it possible to make this g1.dot and g1.png?

Setop Over a year ago

you have to notice that g1.view() also produce source and image files.

Setop Over a year ago

the library is design that way : if source is named "f.x", image is named "f.x.png". I can't find any way to change it. But you can do it in python (module "os") or in shell.

Christoph Over a year ago

I just added a one-line solve for my problem: this renames (or replaces) it how i want it to be. move(os.path.join(path, "dotfile.dot.png"), os.path.join(path, "dotfile.png"))

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