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Questions tagged [pydot]

pydot is a Python module to serve as an easy interface to Graphviz's dot language.

For more information, check:

202 questions
106
votes
14 answers

pydot and graphviz error: Couldn't import dot_parser, loading of dot files will not be possible

When I run a very simple code with pydot import pydot graph = pydot.Dot(graph_type='graph') for i in range(3): edge = pydot.Edge("king", "lord%d" % i) graph.add_edge(edge) vassal_num = 0 for i in range(3): for j in range(2): edge =…
Sadık
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77
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23 answers

ImportError: Failed to import pydot. You must install pydot and graphviz for `pydotprint` to work

I have seen similar issue but it is not solved either, so I decided to ask. I am trying to visualize my model in keras using from keras.utils import plot_model plot_model(model, to_file='model.png') First, it showed error ImportError: Failed to…
bit_scientist
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75
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28 answers

Why is pydot unable to find GraphViz's executables in Windows 8?

I have GraphViz 2.32 installed in Windows 8 and have added C:\Program Files (x86)\Graphviz2.32\bin to the System PATH variable. Still pydot is unable to find its executables. Traceback (most recent call last): File "", line 1, in…
web_ninja
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57
votes
31 answers

Graphviz's executables are not found (Python 3.4)

I am running Python3.4 on Windows 7. I am trying to use the Python interface for graphviz. This is a script I intend to run: from graphviz import Digraph import pydotplus dot = Digraph(comment='The Round Table') dot.node('A', 'King…
Morteza R
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47
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10 answers

graph.write_pdf("iris.pdf") AttributeError: 'list' object has no attribute 'write_pdf'

My code is follow the class of machine learning of google.The two code are same.I don't know why it show error.May be the type of variable is error.But google's code is same to me.Who has ever had this problem? This is error [0 1 2] [0 1…
乔守卿
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37
votes
6 answers

Plot trees for a Random Forest in Python with Scikit-Learn

I want to plot a decision tree of a random forest. So, i create the following code: clf = RandomForestClassifier(n_estimators=100) import pydotplus import six from sklearn import tree dotfile = six.StringIO() i_tree = 0 for tree_in_forest in…
Zoya
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32
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9 answers

"dot.exe" not found in path. Pydot on Python (Windows 7)

I'm having trouble running Python's pydot on Windows 7. I installed pydot with: conda install -c rmg pydot=1.2.2 I have graphviz installed under ../Program Files (x86)/Graphviz2.38/ When I run the following script I get an error saying "dot.exe"…
Dubraven
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31
votes
7 answers

Display graph without saving using pydot

I am trying to display a simple graph using pydot. My question is that is there any way to display the graph without writing it to a file as currently I use write function to first draw and then have to use the Image module to show the files.…
user506710
30
votes
13 answers

Keras: "RuntimeError: Failed to import pydot." after installing graphviz and pydot

I'm using Anaconda Python 2.7 on windows 10 I was planning on doing Keras visualization so (whilst spyder was open) I opened the Anaconda command prompt and pip installed graphviz and pydot. Now when I try run the following: from keras.models import…
ishido
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29
votes
6 answers

Interactive Graphviz graphs in a web application

I am trying to make a few interactive graph visualisations in my Django web application using Python. I found Graphviz and was able to output a static graph (as a .png image) on my application using Pydot (Python interface to Graphviz's dot…
Akshay K
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22
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12 answers

pydot.InvocationException: GraphViz's executables not found

I try to run this example for decision tree learning, but get the following error message: File "coco.py", line 18, in graph.write_pdf("iris.pdf") File…
Chewbacca
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20
votes
8 answers

How can I use conda to install pydot?

Trying to generate some PDF's of decision trees by following some of the sklearn documentation, but can't get Pydot on my machine. Is there any way to use the conda installer to install the pydot package? Based on the command line errors I'm…
joe
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16
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4 answers

ImportError: No module named pydot ( unable to import pydot)

I am unable to import the pydot package in Spyder, Could you please help me out is there any other way to import it. I need it for decision tree visualization. The statement import pydot is not working.
Sanchit Aluna
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13
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3 answers

Placing nodes vertically in Graphviz using pydot

I am using Graphviz in Python via pydot. The diagram I am making has many clusters of directed graphs. pydot is putting them next to each other horizontally resulting in an image that is very wide. How can I tell it to output images of a maximum…
hekevintran
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11
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3 answers

Python, PyDot and DecisionTree

I'm trying to visualize my DecisionTree, but getting the error The code is: X = [i[1:] for i in dataset]#attribute y = [i[0] for i in dataset] clf = tree.DecisionTreeClassifier() dot_data = StringIO() tree.export_graphviz(clf.fit(train_X, train_y),…
Polly
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