Bug#993678: Fails to produce PDF output when using scale.by.width - produces broken lstlisting/lstcode options
Package: dblatex
Version: 0.3.12py3-1
Severity: important
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While building a PDF we stumbled upon an issue. Some of our XML files contain
screen elements with non UTF-8 characters. When we enable scaling for listing
elements:
<xsl:param name="literal.extensions">scale.by.width</xsl:param>
dblatex fails. The produced .tex files then contain line such as:
\begin{lstcode}[escapeinside={<:}{:>}][scale=false,firstnumber=1,escapeinside={<t>}{</t>},moredelim={**[is][\bfseries]{<b>}{</b>}},moredelim={**[is][\itshape]{<i>}{</i>}},]
and those lead to a failure. The problem seems to be code in
/usr/lib/python3/dist-packages/dbtexmf/dblatex/rawverb.py
which fails to detect existing options (added via
/usr/share/xml/docbook/stylesheet/dblatex/xsl/verbatim.xsl already). Thus
dblatex adds another set of options. The same happens without using
scale.by.width, but the resulting lstlisting elements just produce a warning,
that the second set of options gets dropped.
There are several issues I was able to locate. In parse_begin()
if line[0] == b"[":
doesn't seem to work (here they check for existing options). And after fixing
that, the next issue is that
e = line.find(b"]")+1
will fail to produce the desired result because
[scale=false,firstnumber=1,escapeinside={<t>}{</t>},moredelim={**[is][\bfseries]{<b>}{</b>}},moredelim={**[is][\itshape]{<i>}{</i>}},]
contains several closing brackets and we need to find the matching one. Maybe
one could search for ',]'? Not sure if this will break dblatex in other ways.
Next issue then is:
Error: utf_8_encode() argument 2 must be str or None, not bytes
The problem here seems to be in
/usr/lib/python3/dist-packages/dbtexmf/dblatex/rawparse.py and a change in
Python 3 related to string handling.
This problem is a show stopper for us at the moment. Any help is greatly
appreciated.
Attached is a simple testcase. Use it via:
dblatex -d -D -b xetex -p config.xsl test.xml
Regards, Daniel
- -- System Information:
Debian Release: bookworm/sid
APT prefers stable-security
APT policy: (500, 'stable-security'), (500, 'unstable'), (500, 'testing'), (500, 'stable'), (1, 'experimental')
Architecture: amd64 (x86_64)
Foreign Architectures: i386
Kernel: Linux 5.10.0-8-amd64 (SMP w/8 CPU threads)
Kernel taint flags: TAINT_OOT_MODULE, TAINT_UNSIGNED_MODULE
Locale: LANG=de_DE.UTF-8, LC_CTYPE=de_DE.UTF-8 (charmap=UTF-8), LANGUAGE not set
Shell: /bin/sh linked to /usr/bin/dash
Init: systemd (via /run/systemd/system)
LSM: AppArmor: enabled
Versions of packages dblatex depends on:
ii docbook-xml 4.5-9
ii python3 3.9.2-3
ii python3-apt 2.2.1
ii texlive 2020.20210202-3
ii texlive-bibtex-extra 2020.20210202-3
ii texlive-extra-utils 2020.20210202-3
ii texlive-latex-extra 2020.20210202-3
ii texlive-science 2020.20210202-3
ii xsltproc 1.1.34-4
Versions of packages dblatex recommends:
pn dblatex-doc <none>
ii libxml2-utils 2.9.12+dfsg-3
Versions of packages dblatex suggests:
pn docbook <none>
ii evince [pdf-viewer] 40.4-2
ii fig2dev [transfig] 1:3.2.8b-1
ii ghostscript 9.53.3~dfsg-7+b1
ii imagemagick 8:6.9.11.60+dfsg-1.3
ii imagemagick-6.q16 [imagemagick] 8:6.9.11.60+dfsg-1.3
ii inkscape 1.0.2-4
pn latex-cjk-all <none>
ii lmodern 2.004.5-6.1
pn opensp <none>
pn texlive-lang-all <none>
ii texlive-lang-cyrillic 2020.20210202-2
ii texlive-xetex 2020.20210202-3
pn xindy <none>
- -- no debconf information
- -- debsums errors found:
debsums: changed file /usr/lib/python3/dist-packages/dbtexmf/dblatex/rawparse.py (from dblatex package)
debsums: changed file /usr/lib/python3/dist-packages/dbtexmf/dblatex/rawverb.py (from dblatex package)
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<?xml version="1.0"?>
<!DOCTYPE book PUBLIC "-//OASIS//DTD DocBook V4.5//EN"
"http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd";>
<book lang="en-US">
<chapter>
<title>Chapter</title>
<para>Test</para>
<section>
<title>Section</title>
<para>Test</para>
<screen><computeroutput>$ </computeroutput><userinput>ls travail/</userinput>
<computeroutput>Ic�nes �l�ments graphiques Textes</computeroutput>
</screen>
</section>
</chapter>
</book>
<?xml version="1.0" encoding="utf-8"?>
<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform";
xmlns:m="http://www.w3.org/1998/Math/MathML";
version="1.0">
<!-- Support scaling of listings -->
<xsl:param name="literal.extensions">scale.by.width</xsl:param>
</xsl:stylesheet>
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