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graphics/pdfsyntax: Added (Python Library). #9699

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22 changes: 22 additions & 0 deletions graphics/pdfsyntax/README
Original file line number Diff line number Diff line change
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PDFSyntax

A Python library to inspect and transform the internal structure of
PDF files

Introduction

The project is focused on chapter 7 ("Syntax") of the Portable
Document Format (PDF) Specification. It implements all the detailed
document structure management down to the byte level for inspection
and transformation use cases (access to metadata, rotation,...).

Internal functions are being exposed as an API toolkit for PDF
read/write operations, Some specific functions are additionally
exposed as a command line interface for use in a terminal or a
browser. PDFSyntax is lightweight (no dependencies) and written from
scratch in pure Python, with a focus on simplicity and immutability.

It favors non-destructive edits allowed by the PDF Specification: by
default incremental updates are added at the end of the original file
(you may rewind or squash all revisions into a single one).

109 changes: 109 additions & 0 deletions graphics/pdfsyntax/pdfsyntax.SlackBuild
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#!/bin/bash

# Slackware build script for pdfsyntax

# Copyright 2025, Lockywolf
# All rights reserved.
#
# Redistribution and use of this script, with or without modification, is
# permitted provided that the following conditions are met:
#
# 1. Redistributions of this script must retain the above copyright
# notice, this list of conditions and the following disclaimer.
#
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR "AS IS" AND ANY EXPRESS OR IMPLIED
# WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
# MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
# EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
# OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
# WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
# OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
# ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

cd $(dirname $0) ; CWD=$(pwd)

PRGNAM=pdfsyntax
VERSION=${VERSION:-0.1.4}
BUILD=${BUILD:-1}
TAG=${TAG:-_SBo}
PKGTYPE=${PKGTYPE:-tgz}

if [ -z "$ARCH" ]; then
case "$( uname -m )" in
i?86) ARCH=i586 ;;
arm*) ARCH=arm ;;
*) ARCH=$( uname -m ) ;;
esac
fi

# If the variable PRINT_PACKAGE_NAME is set, then this script will report what
# the name of the created package would be, and then exit. This information
# could be useful to other scripts.
if [ ! -z "${PRINT_PACKAGE_NAME}" ]; then
echo "$PRGNAM-$VERSION-$ARCH-$BUILD$TAG.$PKGTYPE"
exit 0
fi

TMP=${TMP:-/tmp/SBo}
PKG=$TMP/package-$PRGNAM
OUTPUT=${OUTPUT:-/tmp}

if [ "$ARCH" = "i586" ]; then
SLKCFLAGS="-O2 -march=i586 -mtune=i686"
LIBDIRSUFFIX=""
elif [ "$ARCH" = "i686" ]; then
SLKCFLAGS="-O2 -march=i686 -mtune=i686"
LIBDIRSUFFIX=""
elif [ "$ARCH" = "x86_64" ]; then
SLKCFLAGS="-O2 -fPIC"
LIBDIRSUFFIX="64"
elif [ "$ARCH" = "aarch64" ]; then
SLKCFLAGS="-O2 -fPIC"
LIBDIRSUFFIX="64"
else
SLKCFLAGS="-O2"
LIBDIRSUFFIX=""
fi

set -e

rm -rf $PKG
mkdir -p $TMP $PKG $OUTPUT
cd $TMP
rm -rf $PRGNAM-$VERSION
tar xvf $CWD/$PRGNAM-$VERSION.tar.gz
cd $PRGNAM-$VERSION
chown -R root:root .
find -L . \
\( -perm 777 -o -perm 775 -o -perm 750 -o -perm 711 -o -perm 555 \
-o -perm 511 \) -exec chmod 755 {} + -o \
\( -perm 666 -o -perm 664 -o -perm 640 -o -perm 600 -o -perm 444 \
-o -perm 440 -o -perm 400 \) -exec chmod 644 {} +

PYVER=$(python3 -c 'import sys; print("%d.%d" % sys.version_info[:2])')
export PYTHONPATH=/opt/python$PYVER/site-packages

python3 -m build --wheel --no-isolation

python3 -m installer --destdir "$PKG" dist/*.whl

find $PKG -print0 | xargs -0 file | grep -e "executable" -e "shared object" | grep ELF \
| cut -f 1 -d : | xargs strip --strip-unneeded 2> /dev/null || true

mkdir -p $PKG/usr/bin/
printf '%s\n%s\n' '#!/bin/bash' 'python3 -m pdfsyntax "$@"' > $PKG/usr/bin/pdfsyntax
chmod +x $PKG/usr/bin/pdfsyntax

mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION
cp -a \
LICENSE PKG-INFO README.md \
$PKG/usr/doc/$PRGNAM-$VERSION
cat $CWD/$PRGNAM.SlackBuild > $PKG/usr/doc/$PRGNAM-$VERSION/$PRGNAM.SlackBuild

mkdir -p $PKG/install
cat $CWD/slack-desc > $PKG/install/slack-desc

cd $PKG
/sbin/makepkg -l y -c n $OUTPUT/$PRGNAM-$VERSION-$ARCH-$BUILD$TAG.$PKGTYPE
10 changes: 10 additions & 0 deletions graphics/pdfsyntax/pdfsyntax.info
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PRGNAM="pdfsyntax"
VERSION="0.1.4"
HOMEPAGE="https://github.com/desgeeko/pdfsyntax/"
DOWNLOAD="https://files.pythonhosted.org/packages/9d/69/cffe73e00c3e9548f8b5c61429a423857fa05f92b0f44ffeb2bfc85dd0cb/pdfsyntax-0.1.4.tar.gz"
MD5SUM="e38e4eed2d1e76c47393174ed93e060a"
DOWNLOAD_x86_64=""
MD5SUM_x86_64=""
REQUIRES="python3-setuptools-opt"
MAINTAINER="Lockywolf"
EMAIL="for_sbo.pdfsyntax_2025-02-11@lockywolf.net"
19 changes: 19 additions & 0 deletions graphics/pdfsyntax/slack-desc
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# HOW TO EDIT THIS FILE:
# The "handy ruler" below makes it easier to edit a package description.
# Line up the first '|' above the ':' following the base package name, and
# the '|' on the right side marks the last column you can put a character in.
# You must make exactly 11 lines for the formatting to be correct. It's also
# customary to leave one space after the ':' except on otherwise blank lines.

|-----handy-ruler------------------------------------------------------|
pdfsyntax: pdfsyntax (A Python library to inspect internal structure of PDF)
pdfsyntax:
pdfsyntax: The project is focused on chapter 7 ("Syntax") of the Portable
pdfsyntax: Document Format (PDF) Specification. It implements all the detailed
pdfsyntax: document structure management down to the byte level for inspection
pdfsyntax: and transformation use cases (access to metadata, rotation,...).
pdfsyntax:
pdfsyntax:
pdfsyntax:
pdfsyntax:
pdfsyntax: