abslibre/libre/pyside6/PKGBUILD

# Maintainer (arch): Antonio Rojas <arojas@archlinux.org>
# Maintainer (arch): Felix Yan <felixonmars@archlinux.org>
# Maintainer: Parabola Hackers <dev@lists.parabola.nu>
# Contributor: bill-auger <bill-auger@programmer.net>


# parabola changes and rationale:
# libre:
# - remove 'qt6-webengine' dependency and recommendation
# technical:
# - add support for armv7h and i686
# - build from versioned source-ball rather than VCS
# - pin to strongly-coupled dependency versions


pkgbase=pyside6
pkgname=(pyside6
         pyside6-tools
         shiboken6)
_qtver=6.8.0.1
pkgver=${_qtver/-/}
pkgrel=2
_pkgver_i686=6.4.2
_pkgrel_i686=5.0
eval "[[ -v _pkgver_${CARCH} ]] && pkgver=\$_pkgver_${CARCH}" # our different arches do not
eval "[[ -v _pkgrel_${CARCH} ]] && pkgrel=\$_pkgrel_${CARCH}" # always roll at the same speed
_src_dir=pyside-setup-everywhere-src-${pkgver%\.*} # source-ball filename and inner dirname
[[ "${CARCH}" != i686 ]] || _src_dir=pyside-setup-opensource-src-${pkgver}
pkgrel+=.parabola1
arch=(x86_64)
arch+=(armv7h i686)
url='https://www.qt.io'
license=(LGPL)
makedepends=(clang
             cmake
             git
             llvm
             ninja
             python-numpy
             python-setuptools
             qt6-3d
             qt6-charts
             qt6-connectivity
             qt6-datavis3d
             qt6-graphs
             qt6-httpserver
             qt6-location
             qt6-multimedia
             qt6-networkauth
             qt6-positioning
             qt6-quick3d
             qt6-remoteobjects
             qt6-scxml
             qt6-sensors
             qt6-serialbus
             qt6-serialport
             qt6-shadertools
             qt6-speech
             qt6-svg
             qt6-tools
             qt6-webchannel
             qt6-webengine
             qt6-websockets)
makedepends=( ${makedepends[*]/git/}           ) # build from source-ball
makedepends=( ${makedepends[*]/qt6-webengine/} ) # blacklisted
source=(git+https://code.qt.io/pyside/pyside-setup#tag=v$pkgver
        fix-build.patch)
source[0]=https://download.qt.io/official_releases/QtForPython/pyside6/PySide6-${pkgver}-src/${_src_dir}.tar.xz
sha256sums=('7ae346f2d85f04c8828f2344c96cc211f342983d3ee81cc02923897a6b5c4940'
            '77b83cb164ea87d826259864f6a81fb33199510e1948d6daaf5c8d5ab55735a7')
[[ "${CARCH}" != i686 ]] || sha256sums[0]='1ec9d0936332efd229650cf10fed36cadddff7a613a2ea6e897de4d504c1b505'


_version_constraint() # (dep_pkgname [precision])
{
  Log() { [[ "${FUNCNAME[2]}" == package ]] && echo "$@" >&2 || : ; }


  local dep_pkgname=$1
  declare -i req_precision=$2
  local full_version=$(pacman -S --print-format='%v' ${dep_pkgname} 2> /dev/null | tail -n 1)
  local n_dots=$(tmp=${full_version%-*} ; tmp=${tmp//[^\.]} ; echo "${#tmp}" ;)
  local def_precision=$(( n_dots + 1 ))
  local is_prec_valid=$(( req_precision > 0 && req_precision <= def_precision ))
  local precision=$((( is_prec_valid )) && echo ${req_precision} || echo ${def_precision})
  local epoch_rx='[0-9]+:'
  local pkgver_rx='[0-9A-Za-z_]+'
  pkgver_rx=$(sed 's|\]|\+]|' <<<${pkgver_rx}) # according to the wiki, '+' is not allowed,
                                               # but some pkgver have it (eg: 5.15.10+kde+r130)
  local subver_rx='\.'${pkgver_rx}
  local pkgrel_rx='[0-9]+'
  local garbage_rx='[^0-9].*'
  local capture_rx=${pkgver_rx}
  for (( n_dots=1 ; n_dots < precision ; ++n_dots )) ; do capture_rx+=${subver_rx} ; done ;
  local epoch version pkgrel has_dot_char version_min version_max constraint_string
  declare -i subver subver_inc pkgrel_inc

  if   [[ "${full_version}" =~ ^(${epoch_rx})*(${capture_rx})(${subver_rx})*-(${pkgrel_rx}).*$ ]]
  then epoch=${BASH_REMATCH[1]}   # optional epoch
       version=${BASH_REMATCH[2]} # pkgver cut to the requested precision
       #unused=${BASH_REMATCH[3]} # discarded pkgver segments
       pkgrel=${BASH_REMATCH[4]}  # pkgrel with non-numerics right-trimmed
       has_dot_char=$([[ "${version}" =~ \. ]] ; echo $(( ! $? )) ; )
       subver=$(sed "s|${garbage_rx}||" <<<${version##*.}) # right-trim from any non-numeric
       version=$( (( has_dot_char )) && echo ${version%.*}.${subver} || echo ${subver} )
       version=${epoch}${version}
       subver_inc=$(( subver + 1 ))
       pkgrel_inc=$(( pkgrel + 1 ))
       version_min=$(   (( ! is_prec_valid    )) && echo ${full_version%-*}-${pkgrel} || \
                                                    echo ${version}                      )
       version_max=$( ( (( ! is_prec_valid    )) && echo ${full_version%-*}-${pkgrel_inc} ) || \
                      ( [[ "${version}" =~ \. ]] && echo ${version%.*}.${subver_inc}      ) || \
                                                    echo ${subver_inc}                         )
       constraint_string="${dep_pkgname}>=${version_min} ${dep_pkgname}<${version_max}"

       Log "Applied version constraint: '${constraint_string}'"
  else Log "ERROR: in _version_constraint() parsing: dep_pkgname='${dep_pkgname}' full_version='${full_version}'"
       exit 1
  fi

  unset -f Log

  echo -n "${constraint_string}"
}


prepare() {
  # link source-ball root dir as VCS root dirname
  ln -fs ${_src_dir} pyside-setup

  [[ "${CARCH}" != i686 ]] || return 0


  cd pyside-setup
  patch -p1 < ../fix-build.patch
}

build() {
  CLANG_INSTALL_DIR="/usr" \
  cmake -B build -S pyside-setup -G Ninja \
    -DCMAKE_INSTALL_PREFIX=/usr \
    -DCMAKE_BUILD_TYPE=None \
    -DSHIBOKEN_PYTHON_LIBRARIES=`pkgconf python3-embed --libs` \
    -DBUILD_TESTS=OFF \
    -DFORCE_LIMITED_API=no \
    -DNO_QT_TOOLS=yes
  PYTHONPATH="$PWD"/build/sources \
  cmake --build build
}

package_shiboken6() {
  pkgdesc='Generates bindings for C++ libraries using CPython source code'
  depends=(clang
           gcc-libs
           glibc
           libxml2
           libxslt
           llvm
           python
           qt6-base)
  depends+=( $(_version_constraint python 2) ) # per FORCE_LIMITED_API=no
  depends+=( $(_version_constraint clang  3) ) # TODO: needed? , too precise?
  optdepends=('python: Python bindings')

  DESTDIR="$pkgdir" cmake --install build/sources/shiboken6

# Install egg-info
  export PATH="/usr/lib/qt6/bin:$PATH"
  cd pyside-setup
  python setup.py egg_info --build-type=shiboken6
  python setup.py egg_info --build-type=shiboken6-generator
  _pythonpath=`python -c "from sysconfig import get_path; print(get_path('platlib'))"`
  cp -r shiboken6*.egg-info "$pkgdir"/$_pythonpath
}

package_pyside6() {
  pkgdesc='Enables the use of Qt6 APIs in Python applications'
  depends=(gcc-libs
           glibc
           python
           qt6-base
           qt6-declarative
           shiboken6)
  optdepends=('qt6-3d: Qt3D bindings'
              'qt6-charts: QtCharts bindings'
              'qt6-connectivity: QtBluetooth and QtNfc bindings'
              'qt6-datavis3d: QtDataVisualization bindings'
              'qt6-graphs: QtGraphs bindings'
              'qt6-httpserver: QtHttpServer bindings'
              'qt6-location: QtLocation bindings'
              'qt6-multimedia: QtMultimedia bindings'
              'qt6-networkauth: QtNetworkAuth bindings'
              'qt6-positioning: QtPositioning bindings'
              'qt6-quick3d: QtQuick3D bindings'
              'qt6-remoteobjects: QtRemoteObjects bindings'
              'qt6-scxml: QtScxml bindings'
              'qt6-sensors: QtSensors bindings'
              'qt6-serialbus: QtSerialBus bindings'
              'qt6-serialport: QtSerialPort bindings'
              'qt6-speech: QtTextToSpeech bindings'
              'qt6-svg: QtSvg bindings'
              'qt6-tools: QtHelp, QtUiTools bindings'
              'qt6-webchannel: QtWebChannel bindings'
              #'qt6-webengine: QtWebEngine bindings'
              'qt6-websockets: QtWebSockets bindings')
  provides=(qt6-python-bindings)

  DESTDIR="$pkgdir" cmake --install build/sources/pyside6

# Install egg-info
  export PATH="/usr/lib/qt6/bin:$PATH"
  cd pyside-setup
  python setup.py egg_info --build-type=pyside6
  _pythonpath=`python -c "from sysconfig import get_path; print(get_path('platlib'))"`
  cp -r PySide6.egg-info "$pkgdir"/$_pythonpath
}

package_pyside6-tools() {
  pkgdesc='Tools for pyside6'
  depends=(pyside6
           python)
  optdepends=('nuitka: for deploy.py')

  DESTDIR="$pkgdir" cmake --install build/sources/pyside-tools

# Add convenience pyside6-designer wrapper
# Entry points in /usr/bin are not installed in the cmake build. This is the only one that does anything besides wrapping the Qt executable
  echo "export LD_PRELOAD="`python -c "from sysconfig import get_config_var; print(get_config_var('LDLIBRARY'))"` > pyside6-designer
  echo "exec designer6 \$@" >> pyside6-designer
  install -Dm755 pyside6-designer -t "$pkgdir"/usr/bin
}