SUMMARY="PEP 518 build backend combining flit with setuptools_scm"
DESCRIPTION="A PEP 518 build backend that uses setuptools_scm to generate a version file from \
your version control system, then flit_core to build the package."
HOMEPAGE="https://gitlab.com/WillDaSilva/flit_scm"
COPYRIGHT="2021 Will Da Silva"
LICENSE="MIT"
REVISION="1"
SOURCE_URI="$HOMEPAGE/-/archive/$portVersion/flit_scm-$portVersion.tar.bz2"
CHECKSUM_SHA256="bb49e2da0da8628ed7892283d773c7f2cac46a0ee034a8e08aa557b58b222baa"

ARCHITECTURES="any"

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

BUILD_REQUIRES="
	haiku_devel
	"

PYTHON_PACKAGES=(python39 python310)
PYTHON_VERSIONS=(3.9 3.10)
for i in "${!PYTHON_PACKAGES[@]}"; do
	pythonPackage=${PYTHON_PACKAGES[i]}
	pythonVersion=${PYTHON_VERSIONS[$i]}

	eval "PROVIDES_$pythonPackage=\"
		${portName}_$pythonPackage = $portVersion
		\""
	eval "REQUIRES_$pythonPackage=\"
		haiku
		flit_core_$pythonPackage
		setuptools_scm_$pythonPackage
		tomli_$pythonPackage
		cmd:python$pythonVersion
		\""
	BUILD_REQUIRES+="
		flit_core_$pythonPackage
		setuptools_scm_$pythonPackage
		tomli_$pythonPackage
		"
	BUILD_PREREQUIRES+="
		build_$pythonPackage
		installer_$pythonPackage
		cmd:python$pythonVersion
		"
done

INSTALL()
{
	export SETUPTOOLS_SCM_PRETEND_VERSION=$portVersion

	for i in "${!PYTHON_PACKAGES[@]}"; do
		pythonVersion=${PYTHON_VERSIONS[$i]}

		python=python$pythonVersion

		$python -m build --wheel --skip-dependency-check --no-isolation
		$python -m installer -p $prefix dist/*.whl

		packageEntries ${PYTHON_PACKAGES[i]} \
			$prefix/lib/python*
	done
}