GNU bug report logs - #57990
Add package: python-mat2 (remove metadata from images to improve privacy)

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Package: guix; Reported by: "Dr. Arne Babenhauserheide" <arne_bab@HIDDEN>; dated Wed, 21 Sep 2022 22:16:02 UTC; Maintainer for guix is bug-guix@HIDDEN.

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From: "Dr. Arne Babenhauserheide" <arne_bab@HIDDEN>
To: Chris Marusich <cmmarusich@HIDDEN>
Subject: Re: bug#57990: Add package: python-mat2 (remove metadata from
 images to improve privacy)
Date: Sat, 24 Sep 2022 15:31:15 +0200
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--=-=-=
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Chris Marusich <cmmarusich@HIDDEN> writes:

> Apologies for the top post.  I noticed this email and wanted to point you=
 to prior work, in case it proves useful:
>
> https://issues.guix.gnu.org/31307#14

Very cool =E2=80=94 thank you! That should make it easier for me to follow =
the
tips.

Best wishes,
Arne
=2D-=20
Unpolitisch sein
hei=C3=9Ft politisch sein,
ohne es zu merken.
draketo.de

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Information forwarded to bug-guix@HIDDEN:
bug#57990; Package guix. Full text available.

Message received at 57990 <at> debbugs.gnu.org:


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From: Chris Marusich <cmmarusich@HIDDEN>
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Message-ID: <CAEKzfHm1oy8xjvpX0OXWdoX7A52=nkNt=ENPXWgrY67e7OceYA@HIDDEN>
Subject: Re: bug#57990: Add package: python-mat2 (remove metadata from images
 to improve privacy)
To: Maxime Devos <maximedevos@HIDDEN>
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Apologies for the top post.  I noticed this email and wanted to point you
to prior work, in case it proves useful:

https://issues.guix.gnu.org/31307#14

On Thu, Sep 22, 2022 at 12:24 PM Maxime Devos <maximedevos@HIDDEN>
wrote:

>
>
> On 22-09-2022 13:38, Dr. Arne Babenhauserheide wrote:
> >
> > Tobias Geerinckx-Rice <me@HIDDEN> writes:
> >
> >>> can I express "any version of ffmpeg"?
> >>
> >> No, this would go against the goals of Guix: packages can't depend on
> properties of the environment they'll end up in (if any).
> >
> > What=E2=80=99s the right way to deal with this, then? I need ffmpeg at =
as
> > propagated-input, but I do not want to create a conflict with a manifes=
t
> > that just defines "ffmpeg".
>
> In one my replies, I have proposed a method that avoids propagating ffmpe=
g:
>
> > To avoid profile collisions when the user installed a different version
> of ffmpeg (e.g. ffmpeg@5) in their profile, could you modify the code to
> look at a /gnu/store/.../bin/ffmpeg instead?  Likewise for bubblewrap,
> gdk-pixbuf, poppler and librsvg, if feasible.
> >
> > For ffmpeg, the following function needs to be modified:
> >
> > https://0xacab.org/jvoisin/mat2/-/blob/master/libmat2/video.py#L139
> >
> > (substitute* + search-input-file can be useful).
>
> Greetings,
> Maxime.
>

--00000000000059da4805e962d880
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<div dir=3D"ltr">Apologies for the top post.=C2=A0 I noticed this email and=
 wanted to point you to prior work, in case it proves useful:<div><br></div=
><div><a href=3D"https://issues.guix.gnu.org/31307#14">https://issues.guix.=
gnu.org/31307#14</a><br></div></div><br><div class=3D"gmail_quote"><div dir=
=3D"ltr" class=3D"gmail_attr">On Thu, Sep 22, 2022 at 12:24 PM Maxime Devos=
 &lt;<a href=3D"mailto:maximedevos@HIDDEN">maximedevos@HIDDEN</a>&g=
t; wrote:<br></div><blockquote class=3D"gmail_quote" style=3D"margin:0px 0p=
x 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><br>
<br>
On 22-09-2022 13:38, Dr. Arne Babenhauserheide wrote:<br>
&gt; <br>
&gt; Tobias Geerinckx-Rice &lt;<a href=3D"mailto:me@HIDDEN" target=3D"_b=
lank">me@HIDDEN</a>&gt; writes:<br>
&gt; <br>
&gt;&gt;&gt; can I express &quot;any version of ffmpeg&quot;?<br>
&gt;&gt;<br>
&gt;&gt; No, this would go against the goals of Guix: packages can&#39;t de=
pend on properties of the environment they&#39;ll end up in (if any).<br>
&gt; <br>
&gt; What=E2=80=99s the right way to deal with this, then? I need ffmpeg at=
 as<br>
&gt; propagated-input, but I do not want to create a conflict with a manife=
st<br>
&gt; that just defines &quot;ffmpeg&quot;.<br>
<br>
In one my replies, I have proposed a method that avoids propagating ffmpeg:=
<br>
<br>
&gt; To avoid profile collisions when the user installed a different versio=
n of ffmpeg (e.g. ffmpeg@5) in their profile, could you modify the code to =
look at a /gnu/store/.../bin/ffmpeg instead?=C2=A0 Likewise for bubblewrap,=
 gdk-pixbuf, poppler and librsvg, if feasible.<br>
&gt; <br>
&gt; For ffmpeg, the following function needs to be modified:<br>
&gt; <br>
&gt; <a href=3D"https://0xacab.org/jvoisin/mat2/-/blob/master/libmat2/video=
.py#L139" rel=3D"noreferrer" target=3D"_blank">https://0xacab.org/jvoisin/m=
at2/-/blob/master/libmat2/video.py#L139</a><br>
&gt; <br>
&gt; (substitute* + search-input-file can be useful). <br>
<br>
Greetings,<br>
Maxime.<br>
</blockquote></div>

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Information forwarded to bug-guix@HIDDEN:
bug#57990; Package guix. Full text available.

Message received at 57990 <at> debbugs.gnu.org:


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Subject: Re: bug#57990: Add package: python-mat2 (remove metadata from images
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To: "Dr. Arne Babenhauserheide" <arne_bab@HIDDEN>,
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Cc: 57990 <at> debbugs.gnu.org
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Subject: Re: bug#57990: Add package: python-mat2 (remove metadata from images
 to improve privacy)
References: <8735ckv0fi.fsf@HIDDEN> <8735ckjrgt.fsf@HIDDEN>
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Information forwarded to bug-guix@HIDDEN:
bug#57990; Package guix. Full text available.

Message received at submit <at> debbugs.gnu.org:


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From: "Dr. Arne Babenhauserheide" <arne_bab@HIDDEN>
To: Tobias Geerinckx-Rice <me@HIDDEN>
Subject: Re: bug#57990: Add package: python-mat2 (remove metadata from
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--=-=-=
Content-Type: text/plain; charset=utf-8
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Tobias Geerinckx-Rice <me@HIDDEN> writes:

>> can I express "any version of ffmpeg"?
>
> No, this would go against the goals of Guix: packages can't depend on pro=
perties of the environment they'll end up in (if any).

What=E2=80=99s the right way to deal with this, then? I need ffmpeg at as
propagated-input, but I do not want to create a conflict with a manifest
that just defines "ffmpeg".

Best wishes,
Arne
=2D-=20
Unpolitisch sein
hei=C3=9Ft politisch sein,
ohne es zu merken.
draketo.de

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Information forwarded to bug-guix@HIDDEN:
bug#57990; Package guix. Full text available.

Message received at 57990 <at> debbugs.gnu.org:


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Subject: Re: bug#57990: Add package: python-mat2 (remove metadata from
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--=-=-=
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Tobias Geerinckx-Rice <me@HIDDEN> writes:

>> can I express "any version of ffmpeg"?
>
> No, this would go against the goals of Guix: packages can't depend on pro=
perties of the environment they'll end up in (if any).

What=E2=80=99s the right way to deal with this, then? I need ffmpeg at as
propagated-input, but I do not want to create a conflict with a manifest
that just defines "ffmpeg".

Best wishes,
Arne
=2D-=20
Unpolitisch sein
hei=C3=9Ft politisch sein,
ohne es zu merken.
draketo.de

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Information forwarded to bug-guix@HIDDEN:
bug#57990; Package guix. Full text available.

Message received at 57990 <at> debbugs.gnu.org:


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Information forwarded to bug-guix@HIDDEN:
bug#57990; Package guix. Full text available.

Message received at 57990 <at> debbugs.gnu.org:


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Information forwarded to bug-guix@HIDDEN:
bug#57990; Package guix. Full text available.

Message received at 57990 <at> debbugs.gnu.org:


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To: bug-guix@HIDDEN, "Dr. Arne Babenhauserheide" <arne_bab@HIDDEN>,
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> can I express "any version of ffmpeg"?

No, this would go against the goals of Guix: packages can't depend on prop=
erties of the environment they'll end up in (if any)=2E

They must be self-contained, or use standard features like $PATH et al to =
find optional dependencies at run time, but these will have to be provided =
by the user/manifest/whatever=2E

Sorry,

T G-R

Sent on the go=2E  Excuse or enjoy my brevity=2E




Information forwarded to bug-guix@HIDDEN:
bug#57990; Package guix. Full text available.

Message received at submit <at> debbugs.gnu.org:


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> can I express "any version of ffmpeg"?

No, this would go against the goals of Guix: packages can't depend on prop=
erties of the environment they'll end up in (if any)=2E

They must be self-contained, or use standard features like $PATH et al to =
find optional dependencies at run time, but these will have to be provided =
by the user/manifest/whatever=2E

Sorry,

T G-R

Sent on the go=2E  Excuse or enjoy my brevity=2E




Information forwarded to bug-guix@HIDDEN:
bug#57990; Package guix. Full text available.

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--=-=-=
Content-Type: text/plain; charset=utf-8
Content-Transfer-Encoding: quoted-printable

"Dr. Arne Babenhauserheide" <arne_bab@HIDDEN> writes:

> +    (propagated-inputs (list python-mutagen python-pycairo python-pygobj=
ect ffmpeg perl-image-exiftool bubblewrap gdk-pixbuf poppler librsvg))

My local ffmpeg is ffmpeg-5, but this dependency pulls in ffmpeg-4 =E2=80=
=94 can
I express "any version of ffmpeg"?

Best wishes,
Arne
=2D-=20
Unpolitisch sein
hei=C3=9Ft politisch sein,
ohne es zu merken.
draketo.de

--=-=-=
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"Dr. Arne Babenhauserheide" <arne_bab@HIDDEN> writes:

> +    (propagated-inputs (list python-mutagen python-pycairo python-pygobj=
ect ffmpeg perl-image-exiftool bubblewrap gdk-pixbuf poppler librsvg))

My local ffmpeg is ffmpeg-5, but this dependency pulls in ffmpeg-4 =E2=80=
=94 can
I express "any version of ffmpeg"?

Best wishes,
Arne
=2D-=20
Unpolitisch sein
hei=C3=9Ft politisch sein,
ohne es zu merken.
draketo.de

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Information forwarded to bug-guix@HIDDEN:
bug#57990; Package guix. Full text available.

Message received at submit <at> debbugs.gnu.org:


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From: "Dr. Arne Babenhauserheide" <arne_bab@HIDDEN>
To: bug-guix@HIDDEN
Subject: Add package: python-mat2 (remove metadata from images to improve
 privacy)
Date: Thu, 22 Sep 2022 00:14:59 +0200
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--==-=-=
Content-Type: multipart/mixed; boundary="=-=-="

--=-=-=
Content-Type: text/plain

Hi,

this packages python-mat2.


--=-=-=
Content-Type: text/x-patch
Content-Disposition: inline; filename=0001-gnu-Add-python-mat2-0.13.0.patch
Content-Transfer-Encoding: quoted-printable

From=2091f85a377361f989900f007fa08cd2a3063175ac Mon Sep 17 00:00:00 2001
From: Arne Babenhauserheide <arne_bab@HIDDEN>
Date: Thu, 22 Sep 2022 00:12:41 +0200
Subject: [PATCH] gnu: Add python-mat2 0.13.0

* gnu/packages/python-xyz.scm (python-mat2): New variable.
=2D--
 gnu/packages/python-xyz.scm | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/gnu/packages/python-xyz.scm b/gnu/packages/python-xyz.scm
index 92e0c9dbe8..8a5b796145 100644
=2D-- a/gnu/packages/python-xyz.scm
+++ b/gnu/packages/python-xyz.scm
@@ -201,6 +201,7 @@ (define-module (gnu packages python-xyz)
   #:use-module (gnu packages maths)
   #:use-module (gnu packages monitoring)
   #:use-module (gnu packages multiprecision)
+  #:use-module (gnu packages music)
   #:use-module (gnu packages networking)
   #:use-module (gnu packages ncurses)
   #:use-module (gnu packages node)
@@ -239,6 +240,7 @@ (define-module (gnu packages python-xyz)
   #:use-module (gnu packages tls)
   #:use-module (gnu packages version-control)
   #:use-module (gnu packages video)
+  #:use-module (gnu packages virtualization)
   #:use-module (gnu packages web)
   #:use-module (gnu packages wxwidgets)
   #:use-module (gnu packages base)
@@ -5567,6 +5569,23 @@ (define-public mallard-ducktype
 provides additional functionality on the produced Mallard documents.")
     (license license:expat)))
=20
+(define-public python-mat2
+  (package
+    (name "python-mat2")
+    (version "0.13.0")
+    (source (origin
+              (method url-fetch)
+              (uri (pypi-uri "mat2" version))
+              (sha256
+               (base32
+                "0zkk6gfjn2rlj5ncbbkc9h5l4qbkvfdlf3n1lpjr03bajrri8dhy"))))
+    (build-system python-build-system)
+    (propagated-inputs (list python-mutagen python-pycairo python-pygobjec=
t ffmpeg perl-image-exiftool bubblewrap gdk-pixbuf poppler librsvg))
+    (home-page "https://0xacab.org/jvoisin/mat2")
+    (synopsis "A handy tool to trash your metadata")
+    (description "This package provides a handy tool to trash your metadat=
a")
+    (license license:lgpl3+)))
+
 (define-public python-cython
   (package
     (name "python-cython")
=2D-=20
2.37.3


--=-=-=
Content-Type: text/plain; charset=utf-8
Content-Transfer-Encoding: quoted-printable


Best wishes,
Arne
=2D-=20
Unpolitisch sein
hei=C3=9Ft politisch sein,
ohne es zu merken.
draketo.de

--=-=-=--

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Acknowledgement sent to "Dr. Arne Babenhauserheide" <arne_bab@HIDDEN>:
New bug report received and forwarded. Copy sent to bug-guix@HIDDEN. Full text available.
Report forwarded to bug-guix@HIDDEN:
bug#57990; Package guix. Full text available.
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