SUMMARY="A simple, correct PEP 517 build frontend"
DESCRIPTION="build will invoke the PEP 517 hooks to build a distribution package.
It is a simple build tool and does not perform any dependency management."
HOMEPAGE="https://pypi.org/project/build/"
COPYRIGHT="2019 Filipe Laíns"
LICENSE="MIT"
REVISION="1"
SOURCE_URI="https://files.pythonhosted.org/packages/source/b/build/build-$portVersion.tar.gz"
CHECKSUM_SHA256="119b2fb462adef986483438377a13b2f42064a2a3a4161f24a0cca698a07ac8c"

ARCHITECTURES="any"

PROVIDES="
	$portName = $portVersion
	"
REQUIRES="
	haiku
	"

BUILD_REQUIRES="
	haiku_devel
	"

PYTHON_VERSIONS=(3.9 3.10)
defaultVersion=3.10

for i in "${!PYTHON_VERSIONS[@]}"; do
	pythonVersion=${PYTHON_VERSIONS[$i]}
	pythonPackage=python${pythonVersion//.}

	eval "PROVIDES_$pythonPackage=\"
		${portName}_$pythonPackage = $portVersion
		cmd:pyproject_build_$pythonVersion
		\""

	if [ $pythonVersion = $defaultVersion ]; then
		eval "PROVIDES_${pythonPackage}+=\"
			cmd:pyproject_build
			\""
	fi

	eval "REQUIRES_$pythonPackage=\"
		haiku
		cmd:python$pythonVersion
		packaging_$pythonPackage
		pyproject_hooks_$pythonPackage
		tomli_$pythonPackage			# only needed for Python < 3.11
		\""

	BUILD_REQUIRES+="
		flit_core_$pythonPackage
		installer_$pythonPackage
		pyproject_hooks_$pythonPackage
		tomli_$pythonPackage			# only needed for Python < 3.11
		"
	BUILD_PREREQUIRES+="
		cmd:python$pythonVersion
		"
done


INSTALL()
{
	for i in "${!PYTHON_VERSIONS[@]}"; do
		pythonVersion=${PYTHON_VERSIONS[$i]}
		pythonPackage=python${pythonVersion//.}

		python=python$pythonVersion

#		$python -m flit_core.wheel
		PYTHONPATH=src $python -m build --no-isolation --skip-dependency-check
		$python -m installer -p $prefix dist/*.whl

		# Version the script, but provide suffix-less symlink for the default Python version.
		mv $prefix/bin/pyproject-build $prefix/bin/pyproject-build-$pythonVersion
		if [ $pythonVersion = $defaultVersion ]; then
			ln -sr $prefix/bin/pyproject-build-$pythonVersion $prefix/bin/pyproject-build
		fi

		packageEntries $pythonPackage \
			$prefix/lib/python* \
			$prefix/bin
	done
}