> and this equivalent Python code >=20 > = https://github.com/rlutz/geda-gaf/blob/master/xorn/src/backend/gnet_osmond= .py >=20 > to any younger tech person and ask them to figure out what's going on. Yet there was quite a collection of back end authors for gEDA in Scheme, = so it was apparently comprehensible to some, anyway. >=20 > Roland John Doty Noqsi Aerospace, Ltd. jpd AT noqsi DOT com --Apple-Mail=_84674196-CFF1-4623-9216-9DBE595C108B Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset=utf-8

On Sep 3, 2020, at 6:01 PM, Roland Lutz <rlutz AT hedmen DOT org> = wrote:

On Wed, 2 Sep 2020, John Doty wrote:
I favor Lepton [because] it=E2=80=99s agnostic = about which layout program you use: it has no favored layout component. = [=E2=80=A6]
The layout people I work with all have = different favorite tools, so
decoupling schematic entry = and layout is very important to me.

This is absolutely the same for gEDA/gaf.

No, = gEDA/gaf is joined to PCB. The tail wags the dog.

I found = [Xorn-based gEDA] incomprehensible.

Xorn is an internal component; you don't have to understand = or even consciously interact with it in any way. (But even if you = did, it's not more complicated than the Scheme API.)

Except if = you=E2=80=99re writing back ends, you do. Or maybe you don=E2=80=99t = call the API Xorn, I never could figure out what =E2=80=98Xorn=E2=80=99 = meant. It=E2=80=99s a critical problem: the freedom to adapt the tools = to new jobs comes from the ease of writing back ends. But of course if = gEDA exists to serve PCB, that doesn=E2=80=99t matter any = more.

Guile is much easier to understand.

You confuse being used to with = understanding. I absolutely believe you that it's easier for you = to work with Guile, as it's the thing you have been working with for a = long time. Most people today, though, would find working with = Python easier--or any other modern language, for that matter.

I=E2=80=99ve= done things in Python. It wasn=E2=80=99t the problem. The problem was = to figure out the API. Who, except you, has written a back end using = your approach?

I mean, just = show this Scheme code

https://github.com/rlutz/geda-gaf/blob/master/gnetlist-legacy/s= cheme/gnet-osmond.scm

and this equivalent Python code

= https://github.com/rlutz/geda-gaf/blob/master/xorn/src/backend/= gnet_osmond.py

to any younger tech = person and ask them to figure out what's going on.

Yet = there was quite a collection of back end authors for gEDA in Scheme, so = it was apparently comprehensible to some, anyway.

Roland

John Doty = Noqsi = Aerospace, Ltd.

jpd AT noqsi DOT com

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