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Bug#1077793: marked as done (pandoc: Pandoc trying to use python2 for filter)

Your message dated Sat, 07 Sep 2024 03:20:20 +0000
with message-id <E1smlzo-0026Rw-Az@fasolo.debian.org>
and subject line Bug#1077793: fixed in haskell-pandoc 3.1.3-3
has caused the Debian Bug report #1077793,
regarding pandoc: Pandoc trying to use python2 for filter
to be marked as done.

This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
Bug report if necessary, and/or fix the problem forthwith.

(NB: If you are a system administrator and have no idea what this
message is talking about, this may indicate a serious mail system
misconfiguration somewhere. Please contact owner@bugs.debian.org
immediately.)


-- 
1077793: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1077793
Debian Bug Tracking System
Contact owner@bugs.debian.org with problems
--- Begin Message --- 
Package: pandoc
Version: 3.1.3+ds-3
Severity: normal

Dear Maintainer,

It appears that pandoc will try execute the binary 'python' when running
a .py filter, when it should be using 'python3'. This only occurs when
calling a non-executable python filter, so a workaround is to have the
executable bit set on the filter.

I have verified that this occurs in unstable too.

Example:

$ pandoc -F ./abc.py abc-sample.md

Error running filter ./abc.py:
Could not find executable python

abc.py
-------

#!/usr/bin/env python3

"""
Pandoc filter to process code blocks with class "abc" containing
ABC notation into images.  Assumes that abcm2ps and ImageMagick's
convert are in the path.  Images are put in the abc-images directory.
"""

import os
import sys
from subprocess import Popen, PIPE, call

from pandocfilters import toJSONFilter, Para, Image, get_caption, get_filename4code, get_extension


def abc2eps(abc_src, filetype, outfile):
    p = Popen(["abcm2ps", "-O", outfile + '.eps', "-"], stdin=PIPE)
    p.stdin.write(abc_src)
    p.communicate()
    p.stdin.close()
    call(["convert", outfile + '.eps', outfile + '.' + filetype])


def abc(key, value, format, _):
    if key == 'CodeBlock':
        [[ident, classes, keyvals], code] = value
        if "abc" in classes:
            caption, typef, keyvals = get_caption(keyvals)
            outfile = get_filename4code("abc", code)
            filetype = get_extension(format, "png", html="png", latex="pdf")
            dest = outfile + '.' + filetype

            if not os.path.isfile(dest):
                abc2eps(code.encode("utf-8"), filetype, outfile)
                sys.stderr.write('Created image ' + dest + '\n')

            return Para([Image([ident, [], keyvals], caption, [dest, typef])])


if __name__ == "__main__":
    toJSONFilter(abc)


abc-sample.md
-------------

Use this


```
X:7
T:Qui Tolis (Trio)
C:André Raison
M:3/4
L:1/4
Q:1/4=92
%%staves {(Pos1 Pos2) Trompette}
K:F
%
V:Pos1
%%MIDI program 78
"Positif"x3  |x3    |c'>ba|Pga/g/f|:g2a  |ba2    |g2c- |c2P=B  |c>de  |fga    |
V:Pos2
%%MIDI program 78
        Mf>ed|cd/c/B|PA2d |ef/e/d |:e2f  |ef2    |c>BA |GA/G/F |E>FG  |ABc-   |
V:Trompette
%%MIDI program 56
"Trompette"z3|z3    |z3   |z3     |:Mc>BA|PGA/G/F|PE>EF|PEF/E/D|C>CPB,|A,G,F,-|
```

to get

```abc
X:7
T:Qui Tolis (Trio)
C:André Raison
M:3/4
L:1/4
Q:1/4=92
%%staves {(Pos1 Pos2) Trompette}
K:F
%
V:Pos1
%%MIDI program 78
"Positif"x3  |x3    |c'>ba|Pga/g/f|:g2a  |ba2    |g2c- |c2P=B  |c>de  |fga    |
V:Pos2
%%MIDI program 78
        Mf>ed|cd/c/B|PA2d |ef/e/d |:e2f  |ef2    |c>BA |GA/G/F |E>FG  |ABc-   |
V:Trompette
%%MIDI program 56
"Trompette"z3|z3    |z3   |z3     |:Mc>BA|PGA/G/F|PE>EF|PEF/E/D|C>CPB,|A,G,F,-|
```

See [(this is a link to whatever)](#whatever) for an example with options
`{.abc #whatever caption="this is the caption" width=50%}`.

```{.abc #whatever caption="this is the caption" width=50%}
X:7
T:Qui Tolis (Trio)
C:André Raison
M:3/4
L:1/4
Q:1/4=92
%%staves {(Pos1 Pos2) Trompette}
K:F
%
V:Pos1
%%MIDI program 78
"Positif"x3  |x3    |c'>ba|Pga/g/f|:g2a  |ba2    |g2c- |c2P=B  |c>de  |fga    |
V:Pos2
%%MIDI program 78
        Mf>ed|cd/c/B|PA2d |ef/e/d |:e2f  |ef2    |c>BA |GA/G/F |E>FG  |ABc-   |
V:Trompette
%%MIDI program 56
"Trompette"z3|z3    |z3   |z3     |:Mc>BA|PGA/G/F|PE>EF|PEF/E/D|C>CPB,|A,G,F,-|
```


-- System Information:
Debian Release: 12.6
  APT prefers stable-updates
  APT policy: (500, 'stable-updates'), (500, 'stable-security'), (500, 'stable')
Architecture: amd64 (x86_64)

Kernel: Linux 6.1.0-23-amd64 (SMP w/4 CPU threads; PREEMPT)
Locale: LANG=en_GB.UTF-8, LC_CTYPE=en_GB.UTF-8 (charmap=UTF-8), LANGUAGE=en_GB:en
Shell: /bin/sh linked to /usr/bin/dash
Init: systemd (via /run/systemd/system)
LSM: AppArmor: enabled

Versions of packages pandoc depends on:
ii  libc6        2.36-9+deb12u7
ii  libffi8      3.4.4-1
ii  libgmp10     2:6.2.1+dfsg1-1.1
ii  liblua5.3-0  5.3.6-2
ii  libyaml-0-2  0.2.5-1
ii  pandoc-data  2.17.1.1-2~deb12u1
ii  zlib1g       1:1.2.13.dfsg-1

pandoc recommends no packages.

Versions of packages pandoc suggests:
pn  citation-style-language-styles  <none>
pn  context                         <none>
pn  ghc                             <none>
pn  groff                           <none>
pn  libjs-katex                     <none>
pn  libjs-mathjax                   <none>
pn  librsvg2-bin                    <none>
pn  nodejs                          <none>
pn  pandoc-citeproc                 <none>
ii  perl                            5.36.0-7+deb12u1
pn  php                             <none>
pn  python                          <none>
pn  r-base-core                     <none>
ii  ruby                            1:3.1
pn  texlive-latex-extra             <none>
pn  texlive-latex-recommended       <none>
pn  texlive-luatex                  <none>
pn  texlive-xetex                   <none>
pn  wkhtmltopdf                     <none>

-- no debconf information

--- End Message ---
--- Begin Message --- 
Source: haskell-pandoc
Source-Version: 3.1.3-3
Done: Scott Talbert <swt@techie.net>

We believe that the bug you reported is fixed in the latest version of
haskell-pandoc, which is due to be installed in the Debian FTP archive.

A summary of the changes between this version and the previous one is
attached.

Thank you for reporting the bug, which will now be closed.  If you
have further comments please address them to 1077793@bugs.debian.org,
and the maintainer will reopen the bug report if appropriate.

Debian distribution maintenance software
pp.
Scott Talbert <swt@techie.net> (supplier of updated haskell-pandoc package)

(This message was generated automatically at their request; if you
believe that there is a problem with it please contact the archive
administrators by mailing ftpmaster@ftp-master.debian.org)


-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA512

Format: 1.8
Date: Fri, 06 Sep 2024 22:04:41 -0400
Source: haskell-pandoc
Architecture: source
Version: 3.1.3-3
Distribution: unstable
Urgency: medium
Maintainer: Debian Haskell Group <pkg-haskell-maintainers@lists.alioth.debian.org>
Changed-By: Scott Talbert <swt@techie.net>
Closes: 1071169 1077793 1078342
Changes:
 haskell-pandoc (3.1.3-3) unstable; urgency=medium
 .
   [ zhangdandan <zhangdandan@loongson.cn> ]
   * Use extra --ghc-options and enable tests in d/rules on loong64 (Closes:
     #1071169)
 .
   [ Scott Talbert ]
   * Use Python 3 for Python filters (Closes: #1077793)
   * Fix memory leak when converting markdown files (Closes: #1078342)
Checksums-Sha1:
 c29e55cc61fdadca00110b7ed6790becafabd57b 8568 haskell-pandoc_3.1.3-3.dsc
 75f957749d8cd2b808866675cb0ba8a69e3a19c8 15204 haskell-pandoc_3.1.3-3.debian.tar.xz
 41505c6839820eec925c564642bac591565cf13c 24432 haskell-pandoc_3.1.3-3_amd64.buildinfo
Checksums-Sha256:
 0df63bb3bb8fbde5259933f19efffaa2c207108ec216233c5611c8a692a0295e 8568 haskell-pandoc_3.1.3-3.dsc
 b98f43c28f094000c3cfc0c1a7deac03ae36e7d0ed59ba0235e6b20217aacfb8 15204 haskell-pandoc_3.1.3-3.debian.tar.xz
 92403ca95fc8f8a20225aab3d803d7b03df19d586c669dfb62344ceddd26b5a1 24432 haskell-pandoc_3.1.3-3_amd64.buildinfo
Files:
 c13982a8809ed119583a755ab71f3284 8568 haskell optional haskell-pandoc_3.1.3-3.dsc
 601ab07453ae8774cc66b07bafda43d6 15204 haskell optional haskell-pandoc_3.1.3-3.debian.tar.xz
 5761aa49365b18e0e72b9c15470fff8e 24432 haskell optional haskell-pandoc_3.1.3-3_amd64.buildinfo

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