How to Render Graph in Python using graphviz and anytree packages

Question

I'm following this documentation of anytree package to render the graph. Please note i have install graphviz on my mac using

pip3 install graphviz

When I try to execute this

RenderTreeGraph(udo).to_picture("udo.png")

Im getting following errors

Traceback (most recent call last): File "", line 1, in RenderTreeGraph(udo).to_picture("udo.png") File "/Library/Frameworks/Python.framework/Versions/3.6/lib/python3.6/site-packages/anytree/dotexport.py", line 51, in to_picture check_call(cmd) File "/Library/Frameworks/Python.framework/Versions/3.6/lib/python3.6/subprocess.py", line 286, in check_call retcode = call(*popenargs, **kwargs) File "/Library/Frameworks/Python.framework/Versions/3.6/lib/python3.6/subprocess.py", line 267, in call with Popen(*popenargs, **kwargs) as p: File "/Library/Frameworks/Python.framework/Versions/3.6/lib/python3.6/subprocess.py", line 707, in init restore_signals, start_new_session) File "/Library/Frameworks/Python.framework/Versions/3.6/lib/python3.6/subprocess.py", line 1326, in _execute_child raise child_exception_type(errno_num, err_msg) FileNotFoundError: [Errno 2] No such file or directory: 'dot'

please help me render tree

Answer 1

I was getting the same error. I also used pip3 to install graphviz. But when I installed graphviz using following command, it solved my issue.

sudo apt install graphviz