Netlist comparison / diff script

craftyjon · May 14, 2019, 3:52am

I made a quick script to compare two KiCad netlist files, and it’s been really helpful as I work on the netlister code. I figured I’d share it here in case this is useful to anyone else. I’m mainly using it to look for bugs, but you can also use it to compare the netlist from two different revisions of a design.

I’m putting this in a gist rather than a full-blown repo because it’s not very polished, but it seems to mostly work okay

It depends on the sexpdata package which can be installed with pip

Run like ./netdiff.py <first.net> <second.net>; pipe output to a report file if desired.

You can grab it here:

gist.github.com

https://gist.github.com/craftyjon/8bcc0d2adf26366beb137dc338b5b43b

netdiff.py

#!/usr/bin/env python3

# Copyright (c) 2019 Jon Evans <jon@craftyjon.com>

# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:

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system · August 12, 2019, 3:52am

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