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Mail Archives: geda-user/2015/02/15/09:45:38

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Date: Sun, 15 Feb 2015 15:43:02 +0100 (CET)
From: Roland Lutz <rlutz AT hedmen DOT org>
To: geda-user AT delorie DOT com
Subject: Re: [geda-user] work on gEDA
In-Reply-To: <alpine.DEB.2.00.1502151046540.7324@igor2priv>
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--8323329-337791766-1424011382=:26783
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On Sun, 15 Feb 2015, gedau AT igor2 DOT repo DOT hu wrote:
> - support for non-scheme scripts; I have my own favorite non-popular 
> language (awk) which I don't expect to be supported, but honestly, I'd 
> be happy with anything mostly procedural (e.g. tcl, lua, python)
>
> - at least one complex backend rewritten in such a non-scheme/non-lisp 
> language, to serve as an example to those who want to write their own. 
> Preferably a backend in common use should be the victim and the scheme 
> variant should be removed so that the rewritten code has more chance to 
> stay up to date long term

I'm currently working on porting gnetlist to Python.  As a temporary fix, 
you can use some files I wrote some time ago which allow writing gnetlist 
backends in Python.  Use gnet-python.scm as a gnetlist backend to generate 
a Python module which provides the netlist:

$ gnetlist -L ... -g python -o example.py example.sch

As an example, I translated the osmond backend to Python.  To run it, call 
the function "osmond" on the netlist object:

$ python -c '
> from example import netlist
> from gnet_osmond import osmond
> osmond(netlist, "example.out")'

This is assuming example.py and gnet_osmond.py are in the current working 
directory.  If they are not, you will have to set PYTHONPATH accordingly.

Roland

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