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From: Andreas Leitgeb <avl@logic.at>
Newsgroups: comp.lang.tcl
Subject: Re: how to use diagram-viewer and the diagram pkg
Date: Fri, 19 Jul 2024 12:26:50 -0000 (UTC)
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Harald Oehlmann <wortkarg3@yahoo.com> wrote:
> Am 17.07.2024 um 10:15 schrieb Andreas Leitgeb:
>> Mark Summerfield <mark@qtrac.eu> wrote:
>>> $ wish9 ~/opt/tcl9/bin/diagram-viewer show /tmp/a.dia
>>> Creating safe environment, please wait...
>>> /home/mark/opt/tcl9/bin/diagram-viewer: can't find package diagram
>>> $ wish9
>>> % package require diagram
>>> 1
>> 
>> The "Creating safe environment, please wait..." might be the key here.
>> Check what the diagram viewer does after emitting that line, and see
>> if you can still "package require diagram" in that context.
>> 
>> If the "safe environment" is related to a safe interpreter,
>> you might need to add more code to the diagram-viewer to
>> allow the safe interp to load that particular package.
>> 
>> If I had it in my head, I'd write it - I hope someone else
>> can describe the extra "magic" needed to enable a package
>> in a safe interp.
>
> May you identify the "pckIndex.tcl" file of the package and post it here?
> It may contain code to exclude TCL9...

I think we can exclude that possibility, because the package apparently
does load successfully in an interactive wish9.

Mark, if you skipped a few post and just read the last one, consider
what I wrote about safe interpreters.