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Subject:	Re: [geda-user] recursive subsheet issue
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Date:	Tue, 2 Feb 2021 11:56:33 -0800
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Roland Lutz wrote:
> Or am I missing something? If not let me know and I write a fix.
>
> I was about to suggest this. :-)
>
Okay, I'll let you know when it is ready. Anything special about
exception objects in python?
Thinking is if recursion is detected, throw an exception which is caught
at theĀ  xorn.netlist.innermain level, report the error, and terminate.
Be nice if the subsheet path could be provided for diagnostic purposes.
>> - keep a list of all sheets traversed so far up to the current sheet
>> and check it.
>
> The Python "set" type may come in handy.
I'll look. Why a set rather than a list?
> I came across it because I am trying to figure out a way to extract
> the hierarchy from the netlist.
>
> What exactly are you trying to do?
Just one of my "it seems like a good idea" tangents.

For the xspice backend, which I have finally started to get back to, I
decided it would be nice in the header of the output to provide a
listing of the hierarchy from which the netlist was generated in case
you don't get the output you are expecting re: refdes etc. Not really a
"must have" but I need something to get myself back into the groove and
this is what I settled on.

Glenn

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