I updated the POIU README with remarks based on our discussion so far.
After thinking a bit more, I suspect it is not *that* hard to
completely fix POIU and extract (and display) a precise ASDF
dependency graph from it. But it's still some amount of serious work
and a walk through the internals or ASDF and POIU.

NB: I'm talking about POIU, not UIOP. Even I got confused in my
previous messages at times. Oops.

—♯ƒ • François-René ÐVB Rideau •Reflection&Cybernethics• http://fare.tunes.org
The idea is not to confront bad ideas but to come up with good ideas.
Otherwise, your enemies define the game and you are the loyal opposition.
        — Terence McKenna


On Tue, Dec 24, 2019 at 12:17 PM Robert Goldman <rpgold...@sift.info> wrote:
>
> What kind of dependency graph are you looking to make? Just the systems, or 
> also the individual system components?
>
> And do you want a visible representation of this graph, or just some set of 
> data structures?
>
> I assume the former, since you should be able to use the system components 
> themselves to get all the dependency links.
>
> If it's the former, the easiest thing might be to use CL-DOT and write the 
> necessary methods to create a graph.
>
> You might need to get ASDF to compute the plan for LOAD-OP as a way to ensure 
> that all the required system definitions are loaded.
>
> With respect to test systems, I have usually found it best to have my 
> systems, say "foo", have "foo/test" related systems, delegate the test-op for 
> "foo" to "foo/test" using in-order-to, and then only "foo/test" needs to 
> depend on the test library -- "foo" itself doesn't need it.
>
> HtH,
>
> R
>
> On 23 Dec 2019, at 19:08, Jay wrote:
>
> Thanks.
>
> I will follow up with Rob later.
>
> Anyway, thanks for help in the past. I will liaise with Rob to figure out
> the best way forward.
>
> Jay
>
> Faré
> 6:52 PM (14 minutes ago)
> to me
>
> I guess, I will have to step up at some point. I have a tool that's built
>
> with CL. I'll start small from the easier tasks and work my way up the
> graph one you highlighted above.
>
> Then, I will be able to tackle the graph thing, as you said it's no easy
>
> fit.
>
> Makes sense.
>
> Are the TODO you mentioned ordered in some priority list or tagged with
>
> easier/medium/hard.
>
> Unhappily not. Give it a look and/or give a look at the issues on
> launchpad, and/or ask Robert, for guidance. Sorry I don't have time to
> sort out the issues right now.
>
> And the repo is still the version on gitlab right? Does Rob hang over at
>
> #lisp irc?
>
> Yes the repo is on gitlab, but the issues are still mostly on launchpad.
>
> Robert sometimes is on IRC as rpg (or is is rpgoldman? notthatrpg?).
>
> —♯ƒ • François-René ÐVB Rideau •Reflection&Cybernethics•
> http://fare.tunes.org
> "Floating point numbers are like sandpiles; every time you move one
> you lose a little sand and pick up a little dirt"
> — Vic Vissotsky
>
>
> On Mon, Dec 23, 2019 at 6:52 PM Faré <fah...@gmail.com> wrote:
>
> I guess, I will have to step up at some point. I have a tool that's
>
> built with CL. I'll start small from the easier tasks and work my way up
> the graph one you highlighted above.
>
> Then, I will be able to tackle the graph thing, as you said it's no easy
>
> fit.
>
> Makes sense.
>
> Are the TODO you mentioned ordered in some priority list or tagged with
>
> easier/medium/hard.
>
> Unhappily not. Give it a look and/or give a look at the issues on
> launchpad, and/or ask Robert, for guidance. Sorry I don't have time to
> sort out the issues right now.
>
> And the repo is still the version on gitlab right? Does Rob hang over at
>
> #lisp irc?
>
> Yes the repo is on gitlab, but the issues are still mostly on launchpad.
>
> Robert sometimes is on IRC as rpg (or is is rpgoldman? notthatrpg?).
>
> —♯ƒ • François-René ÐVB Rideau •Reflection&Cybernethics•
> http://fare.tunes.org
> "Floating point numbers are like sandpiles; every time you move one
> you lose a little sand and pick up a little dirt"
> — Vic Vissotsky
>
>
> On Fri, Nov 29, 2019 at 11:33 AM Faré <fah...@gmail.com> wrote:
>
> I could not follow up in the past as I had to relocate between cities
>
> (central to west coast) so that caused a lot of changes in my schedule.
> What is the state of the asdf contributors you mentioned last time -- the
> developers taking over asdf development albeit gradually.
>
> No one has really stepped forward. It's still Robert Goldman
> maintaining things, while I have moved away from active maintenance
> and am only reviewing patches and giving advice, sometimes making
> small edits to documentation.
>
> I just started working on my fairly large system again, and recently
>
> had issues when I was trying to disentangle systems to avoid loading
> multiple test systems that clobber global variables. A secondary goal is to
> reduce unnecessary dependencies ( btw I use :class :package-inferred-system
> in my setup).
>
> Is there some asdf option that I can use to get the graph for a given
>
> loaded system or some score of complexity due to linkages. I have been able
> to improve this over the years and the system is a more stable but
> occasionally hangs when it has to load many packages (hundreds of files)
> after compiler update (using SBCL primarily)
>
> Aha. Well, it used to be that POIU could extract a dependency graph
> from an ASDF system, and act on it to build; but this has bitrotten a
> bit with the latest changes in ASDF 3.3, and POIU is not currently
> very stable. If you could fix it, that would be great. But beware,
> it's no small undertaking: you have to really get into a lot of
> internals to do it right, and make non-trivial changes to UIOP, likely
> including subtle changes to ASDF itself.
>
> —♯ƒ • François-René ÐVB Rideau •Reflection&Cybernethics•
>
> http://fare.tunes.org
>
> Appropriate fear keeps you alive. Excessive fear prevents the very thing
> it's supposed to protect: life. — Attila Lendvai
>
>
>
>
>
>
> Thanks,
>
> Jay

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