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Rendering A Tree In Python With Anytree And Graphviz. Can't Open File

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This question is based on Tarun's Answer for rendering a tree in python using anytree and graphviz: https://stackoverflow.com/a/49442969/2139007 After installing graphviz and addin

Solution 1:

I just ran into this problem. After 2 hours of debugging, I found out for Windows, you have to set the delete flag to False in dotexporter.py. Go to line 224 in "dotexporter.py" and make the following change. It seems like a bug in the source file. This worked for me:

withNamedTemporaryFile("wb", delete=False) asdotfile:

Solution 2:

This is somehow an unintended behavior of windows and the python temporary file handle. Please just use the latest anytree version (https://anytree.readthedocs.io/en/latest/). It includes a fix.

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