PKGBUILD.setup-py-python-pkg

# Maintainer: Some One <some.one@some.email.com>
#This value is here because some python package names have capital letters
#while there is a strong preference for lowercase letters in ArchLinux and
#MSYS packages.

_realname=somepackage
pkgbase=mingw-w64-python-${_realname}
pkgname=("${MINGW_PACKAGE_PREFIX}-python-${_realname}")
pkgver=1.0.0
pkgrel=1
pkgdesc="Some package (mingw-w64)"
arch=('any')
url='https://www.somepackage.org/'
license=('LICENSE')
validpgpkeys=('gpg_KEY')
depends=("${MINGW_PACKAGE_PREFIX}-python")
makedepends=("${MINGW_PACKAGE_PREFIX}-python"
             "${MINGW_PACKAGE_PREFIX}-python-setuptools")
install=${_realname}-${CARCH}.install
options=('staticlibs' 'strip' '!debug')
#Ideally, you should download the sources from github or some other place besides
#pypi, but that ideal is not always possible.
_dtoken='aa/aa/aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa'
#Some Python packages software might use this instead
#source=("https://pypi.python.org/packages/source/[first letter of the packages]/${_realname}/${_realname}-${pkgver}.tar.gz")
@_dtoken would be the part of the URL between the /package and filename.
# I did this to make it so you could just update the token to a new version instead of the complete
# download URL.
source=("https://pypi.python.org/packages/${_dtoken}/${_realname}-${pkgver}.tar.gz"
        "0001-An-important-fix.patch"
        "0002-A-less-important-fix.patch")
sha256sums=('SKIP'
            'aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa'
            'bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb')

# Helper macros to help make tasks easier #
apply_patch_with_msg() {
  for _patch in "$@"
  do
    msg2 "Applying $_patch"
    patch -Nbp1 -i "${srcdir}/$_patch"
  done
}

del_file_exists() {
  for _fname in "$@"
  do
    if [ -f $_fname ]; then
      rm -rf $_fname
    fi
  done
}
# =========================================== #

prepare() {
  cd "${srcdir}"
  pushd "${_realname}-${pkgver}"
    apply_patch_with_msg 0001-A-really-important-fix.patch \
      0002-A-less-important-fix.patch
  popd

  rm -rf python-build-${CARCH} | true
  cp -r "${_realname}-${pkgver}" "python-build-${CARCH}"

  # Set version for setuptools_scm
  export SETUPTOOLS_SCM_PRETEND_VERSION=${pkgver}
}

# Note that build() is sometimes skipped because it's done in 
# the packages setup.py install for simplicity if you can do so.
# but sometimes, you want to do a check before install which would
# also trigger the build.
build() {
  msg "Python build for ${CARCH}"  
  cd "${srcdir}/python-build-${CARCH}"
  ${MINGW_PREFIX}/bin/python setup.py build
}

check() {
  msg "Python test for ${CARCH}"
  cd "${srcdir}/python-build-${CARCH}"
  ${MINGW_PREFIX}/bin/python setup.py check
}

package() {
  cd "${srcdir}/python-build-${CARCH}"
  MSYS2_ARG_CONV_EXCL="--prefix=;--install-scripts=;--install-platlib=" \
  ${MINGW_PREFIX}/bin/python setup.py install --prefix=${MINGW_PREFIX} \
    --root="${pkgdir}" --optimize=1 --skip-build

  install -Dm644 LICENSE "${pkgdir}${MINGW_PREFIX}/share/licenses/python-${_realname}/LICENSE"

  # This entire section should be removed if the package does NOT install
  # anything in the /mingw*/bin directory.
  ### begin section ###
  local PREFIX_WIN=$(cygpath -wm ${MINGW_PREFIX})
  # fix python command in files
  for _f in "${pkgdir}${MINGW_PREFIX}"/bin/*.py; do
    sed -e "s|/usr/bin/env |${MINGW_PREFIX}|g" \
        -e "s|${PREFIX_WIN}|${MINGW_PREFIX}|g" -i ${_f}
  done
  #### end section ####
}