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From: Maxim Cournoyer <maxim.cournoyer@HIDDEN>
To: Ludovic =?utf-8?Q?Court=C3=A8s?= <ludo@HIDDEN>
Subject: Re: bug#55139: package-location is wrong for transformed packages
References: <8735hz2t4u.fsf@HIDDEN> <87pmkvr6t2.fsf@HIDDEN>
Date: Sun, 22 May 2022 01:16:32 -0400
In-Reply-To: <87pmkvr6t2.fsf@HIDDEN> ("Ludovic =?utf-8?Q?Court=C3=A8s=22'?=
=?utf-8?Q?s?= message of "Mon, 02 May 2022 22:57:45 +0200")
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Hi,
Ludovic Court=C3=A8s <ludo@HIDDEN> writes:
> Hi,
>
> Maxim Cournoyer <maxim.cournoyer@HIDDEN> skribis:
>
>>> ,import (gnu packages) (guix packages)
>>> (car (find-packages-by-name "python2-pyalsaaudio"))
>> $1 =3D #<package python2-pyalsaaudio@HIDDEN gnu/packages/audio.scm:4327 7=
f2b76fab160>
>>> (package-definition-location-code package $1)
>> $2 =3D #f
>>> (package-definition-location $2)
>> $3 =3D #<<location> file: "gnu/packages/audio.scm" line: 4327 column: 2>
>>
>>
>> This is wrong though, and gives the location of the parent package (the
>> one it inherited from). This seems to be made on purpose (?) given the
>> code in (gnu build-system python):
>>
>> (package/inherit p
>> (location (package-location p))
>>
>> ^ Here, we explicitly set the location to that of its parent.
>
> Indeed, that=E2=80=99s on purpose; the rationale is that it=E2=80=99s mor=
e useful to see
> the location of the original package (the Python=C2=A03 variant) than alw=
ays
> this one line in gnu/build-system/python.scm.
>
>> Another related issue for package-with-python2 packages:
>>
>>> (package-definition-location-code $1)
>> $4 =3D #f
>
> Yes, I see it=E2=80=99s annoying, but that=E2=80=99s expected.
>
>> I was expecting to use this to get rid of all leaf Python 2 packages,
>> but it seems that may not work (as easily as I'd hoped).
>
> You were willing to have a script that would automatically delete the
> relevant lines, right?
>
> It=E2=80=99s kinda silly but I think the script will have to estimate the
> definition location by looking for =E2=80=9C(define-public python2-=E2=80=
=A6=E2=80=9D.
Yeah, I ended up with this [0]:
--8<---------------cut here---------------start------------->8---
(define (locate-package-via-git name)
"Return the location object corresponding to package NAME, searched via g=
it."
(let* ((input-pipe (open-pipe* OPEN_READ
"git" "grep" "-n" "--column"
(format #f "^(define-public ~a$" name)))
(output (get-string-all input-pipe)) ;file:line:column:match
(exit-val (status:exit-val (close-pipe input-pipe))))
(case exit-val
((0)
(let ((components (string-split output #\:)))
(location
(first components) ;file
(string->number (second components)) ;1-indexed line
;; FIXME: Comment discrepancy in (guix diagnostics), which
;; says the column is 0-indexed.
(and=3D> (string->number (third components)) 1-)))) ;0-indexed co=
lumn
((1) #f) ;no match
(else (error "git grep failed with status" exit-val)))))
--8<---------------cut here---------------end--------------->8---
and it does feel silly to have to shell out to git, but it did the job.
Thanks,
Maxim
[0] https://notabug.org/apteryx/guix-api-examples/src/master/purge-python2=
-packages.scm#L42
bug-guix@HIDDEN:bug#55139; Package guix.
Full text available.Received: (at 55139) by debbugs.gnu.org; 2 May 2022 20:57:55 +0000 From debbugs-submit-bounces <at> debbugs.gnu.org Mon May 02 16:57:55 2022 Received: from localhost ([127.0.0.1]:38111 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <debbugs-submit-bounces <at> debbugs.gnu.org>) id 1nld7C-0003ip-Nl for submit <at> debbugs.gnu.org; Mon, 02 May 2022 16:57:54 -0400 Received: from eggs.gnu.org ([209.51.188.92]:39830) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <ludo@HIDDEN>) id 1nld7B-0003ia-FX for 55139 <at> debbugs.gnu.org; Mon, 02 May 2022 16:57:53 -0400 Received: from fencepost.gnu.org ([2001:470:142:3::e]:37848) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from <ludo@HIDDEN>) id 1nld76-0005QN-49; Mon, 02 May 2022 16:57:48 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=gnu.org; s=fencepost-gnu-org; h=MIME-Version:In-Reply-To:Date:References:Subject:To: From; bh=8u5Yeiy0kbK57DtNg/VbIyDnZeVoui2s2mHjc8TN9WA=; b=l8BghTcdY//D00QWCoVe B576IGpLD/qUnSzYelOJmUyXJnejIr6NpCDG98vSDUBS1D16Cm86nV+3Ql02Eb7oBwGeTxM00YtqC HbYNLhr0GCXL/mruoGp49SIbLovgtV+ZV2j2yT2ykYp6Sjc0KNVwC6fXAoApZDxhd74OC63xOxnjg 9UO4KfJacYUUOH1jiFK5ClfiYXx4ehJgJxcFIRSweFBaJUVXTrrlM8Ws9UqZU2V4NV8Nb/auFK0vi H7d0NmWLFt+b3G8B475q44cshP2EFRMHjeh8SrJYR3nQOUVnA/wd52AD76DS27HLxUcfysbDEMOcu bkg20j4CSSx1Wg==; Received: from 91-160-117-201.subs.proxad.net ([91.160.117.201]:57254 helo=ribbon) by fencepost.gnu.org with esmtpsa (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from <ludo@HIDDEN>) id 1nld75-0007uI-Mr; Mon, 02 May 2022 16:57:47 -0400 From: =?utf-8?Q?Ludovic_Court=C3=A8s?= <ludo@HIDDEN> To: Maxim Cournoyer <maxim.cournoyer@HIDDEN> Subject: Re: bug#55139: package-location is wrong for transformed packages References: <8735hz2t4u.fsf@HIDDEN> Date: Mon, 02 May 2022 22:57:45 +0200 In-Reply-To: <8735hz2t4u.fsf@HIDDEN> (Maxim Cournoyer's message of "Tue, 26 Apr 2022 21:48:49 -0400") Message-ID: <87pmkvr6t2.fsf@HIDDEN> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/27.2 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable X-Spam-Score: -2.3 (--) X-Debbugs-Envelope-To: 55139 Cc: 55139 <at> debbugs.gnu.org X-BeenThere: debbugs-submit <at> debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: <debbugs-submit.debbugs.gnu.org> List-Unsubscribe: <https://debbugs.gnu.org/cgi-bin/mailman/options/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=unsubscribe> List-Archive: <https://debbugs.gnu.org/cgi-bin/mailman/private/debbugs-submit/> List-Post: <mailto:debbugs-submit <at> debbugs.gnu.org> List-Help: <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=help> List-Subscribe: <https://debbugs.gnu.org/cgi-bin/mailman/listinfo/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=subscribe> Errors-To: debbugs-submit-bounces <at> debbugs.gnu.org Sender: "Debbugs-submit" <debbugs-submit-bounces <at> debbugs.gnu.org> X-Spam-Score: -3.3 (---) Hi, Maxim Cournoyer <maxim.cournoyer@HIDDEN> skribis: >> ,import (gnu packages) (guix packages) >> (car (find-packages-by-name "python2-pyalsaaudio")) > $1 =3D #<package python2-pyalsaaudio@HIDDEN gnu/packages/audio.scm:4327 7f= 2b76fab160> >> (package-definition-location-code package $1) > $2 =3D #f >> (package-definition-location $2) > $3 =3D #<<location> file: "gnu/packages/audio.scm" line: 4327 column: 2> > > > This is wrong though, and gives the location of the parent package (the > one it inherited from). This seems to be made on purpose (?) given the > code in (gnu build-system python): > > (package/inherit p > (location (package-location p)) > > ^ Here, we explicitly set the location to that of its parent. Indeed, that=E2=80=99s on purpose; the rationale is that it=E2=80=99s more = useful to see the location of the original package (the Python=C2=A03 variant) than always this one line in gnu/build-system/python.scm. > Another related issue for package-with-python2 packages: > >> (package-definition-location-code $1) > $4 =3D #f Yes, I see it=E2=80=99s annoying, but that=E2=80=99s expected. > I was expecting to use this to get rid of all leaf Python 2 packages, > but it seems that may not work (as easily as I'd hoped). You were willing to have a script that would automatically delete the relevant lines, right? It=E2=80=99s kinda silly but I think the script will have to estimate the definition location by looking for =E2=80=9C(define-public python2-=E2=80= =A6=E2=80=9D. HTH, Ludo=E2=80=99.
bug-guix@HIDDEN:bug#55139; Package guix.
Full text available.Received: (at 55139) by debbugs.gnu.org; 27 Apr 2022 12:23:28 +0000 From debbugs-submit-bounces <at> debbugs.gnu.org Wed Apr 27 08:23:28 2022 Received: from localhost ([127.0.0.1]:41477 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <debbugs-submit-bounces <at> debbugs.gnu.org>) id 1njghb-0005iT-Sx for submit <at> debbugs.gnu.org; Wed, 27 Apr 2022 08:23:28 -0400 Received: from mailrelay.tugraz.at ([129.27.2.202]:11391) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <liliana.prikler@HIDDEN>) id 1njghZ-0005iH-27 for 55139 <at> debbugs.gnu.org; Wed, 27 Apr 2022 08:23:26 -0400 Received: from lprikler-laptop.ist.intra (gw.ist.tugraz.at [129.27.202.101]) by mailrelay.tugraz.at (Postfix) with ESMTPSA id 4KpHw95b35z3xbl; Wed, 27 Apr 2022 14:23:21 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=tugraz.at; s=mailrelay; t=1651062201; bh=05p2U4nhnQkPfJUBEJwA6tgzxn8sg0cuFLDLy864wGo=; h=Subject:From:To:Date:In-Reply-To:References; b=XYinASKMhhwdM0BD/gADcqKqdbrTmAo1BAw74ITqA5fc4g6yhO4OuBZYVf+5lVnX8 9ykN605d1Ktn6IkXyW5Id0o2usfmFJv22n6G4O1ry/iS3VYOnKmLp1DMXaL+KxlzFS gyRpccYOL4NT78cIgqaHYyLTVMEND3Lhazh+KXKA= Message-ID: <24e49cc6e3c212973efc4c46b1218ebd1a9acf0a.camel@HIDDEN> Subject: Re: package-location is wrong for transformed packages From: Liliana Marie Prikler <liliana.prikler@HIDDEN> To: Maxim Cournoyer <maxim.cournoyer@HIDDEN>, 55139 <at> debbugs.gnu.org Date: Wed, 27 Apr 2022 14:23:20 +0200 In-Reply-To: <8735hz2t4u.fsf@HIDDEN> References: <8735hz2t4u.fsf@HIDDEN> Content-Type: text/plain; charset="UTF-8" User-Agent: Evolution 3.42.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-TUG-Backscatter-control: waObeELIUl4ypBWmcn/8wQ X-Spam-Scanner: SpamAssassin 3.003001 X-Spam-Score-relay: -1.9 X-Scanned-By: MIMEDefang 2.74 on 129.27.10.116 X-Spam-Score: -2.3 (--) X-Debbugs-Envelope-To: 55139 X-BeenThere: debbugs-submit <at> debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: <debbugs-submit.debbugs.gnu.org> List-Unsubscribe: <https://debbugs.gnu.org/cgi-bin/mailman/options/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=unsubscribe> List-Archive: <https://debbugs.gnu.org/cgi-bin/mailman/private/debbugs-submit/> List-Post: <mailto:debbugs-submit <at> debbugs.gnu.org> List-Help: <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=help> List-Subscribe: <https://debbugs.gnu.org/cgi-bin/mailman/listinfo/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=subscribe> Errors-To: debbugs-submit-bounces <at> debbugs.gnu.org Sender: "Debbugs-submit" <debbugs-submit-bounces <at> debbugs.gnu.org> X-Spam-Score: -3.3 (---) Am Dienstag, dem 26.04.2022 um 21:48 -0400 schrieb Maxim Cournoyer: > Hi Guix! > > --8<---------------cut here---------------start------------->8--- > > ,import (gnu packages) (guix packages) > > (car (find-packages-by-name "python2-pyalsaaudio")) > $1 = #<package python2-pyalsaaudio@HIDDEN gnu/packages/audio.scm:4327 > 7f2b76fab160> > > (package-definition-location-code package $1) > $2 = #f > > (package-definition-location $2) > $3 = #<<location> file: "gnu/packages/audio.scm" line: 4327 column: > 2> > --8<---------------cut here---------------end--------------->8--- > > This is wrong though, and gives the location of the parent package > (the one it inherited from). This seems to be made on purpose (?) > given the code in (gnu build-system python): I'm pretty sure that this is done so that `guix edit' points you to the package you want to edit rather than its wrapper. While thus incorrect, it is most often what you want. Also, the wrapper should be in its vicinity (usually the next package). > --8<---------------cut here---------------start------------->8--- > (package/inherit p > (location (package-location p)) > > ^ Here, we explicitly set the location to that of its parent. > > (name (let ((name (package-name p))) > (string-append new-prefix > (if (string-prefix? old-prefix name) > (substring name > (string-length old- > prefix)) > name)))) > (arguments > (let ((python (if (promise? python) > (force python) > python))) > (ensure-keyword-arguments (package-arguments p) > `(#:python ,python))))) > --8<---------------cut here---------------end--------------->8--- > > Another related issue for package-with-python2 packages: > > --8<---------------cut here---------------start------------->8--- > > (package-definition-location-code $1) > $4 = #f > --8<---------------cut here---------------end--------------->8--- > > I was expecting to use this to get rid of all leaf Python 2 packages, > but it seems that may not work (as easily as I'd hoped). Note, that you can use guix graphs to detect leaves and then grep for the variable name. This still requires you to use Emacs for deleting some three lines rather than doing so programmatically. However, given that you have the location, you could try to filter out the variable name, then detect whether it's in a package-with-python2 call within the same file. Finally, you can try to just locally comment out that setter and it might return the "true" path. Note that I haven't tested this. Since you're probably using this for a more or less one-time script anyway, I wouldn't be too bothered about it being a dirty hack. Cheers :)
bug-guix@HIDDEN:bug#55139; Package guix.
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From: Maxim Cournoyer <maxim.cournoyer@HIDDEN>
To: bug-guix <bug-guix@HIDDEN>
Subject: package-location is wrong for transformed packages
Date: Tue, 26 Apr 2022 21:48:49 -0400
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Hi Guix!
--8<---------------cut here---------------start------------->8---
> ,import (gnu packages) (guix packages)
> (car (find-packages-by-name "python2-pyalsaaudio"))
$1 = #<package python2-pyalsaaudio@HIDDEN gnu/packages/audio.scm:4327 7f2b76fab160>
> (package-definition-location-code package $1)
$2 = #f
> (package-definition-location $2)
$3 = #<<location> file: "gnu/packages/audio.scm" line: 4327 column: 2>
--8<---------------cut here---------------end--------------->8---
This is wrong though, and gives the location of the parent package (the
one it inherited from). This seems to be made on purpose (?) given the
code in (gnu build-system python):
--8<---------------cut here---------------start------------->8---
(package/inherit p
(location (package-location p))
^ Here, we explicitly set the location to that of its parent.
(name (let ((name (package-name p)))
(string-append new-prefix
(if (string-prefix? old-prefix name)
(substring name
(string-length old-prefix))
name))))
(arguments
(let ((python (if (promise? python)
(force python)
python)))
(ensure-keyword-arguments (package-arguments p)
`(#:python ,python)))))
--8<---------------cut here---------------end--------------->8---
Another related issue for package-with-python2 packages:
--8<---------------cut here---------------start------------->8---
> (package-definition-location-code $1)
$4 = #f
--8<---------------cut here---------------end--------------->8---
I was expecting to use this to get rid of all leaf Python 2 packages,
but it seems that may not work (as easily as I'd hoped).
Thanks,
Maxim
Maxim Cournoyer <maxim.cournoyer@HIDDEN>:bug-guix@HIDDEN.
Full text available.bug-guix@HIDDEN:bug#55139; Package guix.
Full text available.
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