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|
{
stdenv,
python,
build,
flit-core,
installer,
packaging,
pyproject-hooks,
tomli,
makeWrapper,
}:
let
buildBootstrapPythonModule =
basePackage: attrs:
stdenv.mkDerivation (
{
pname = "${python.libPrefix}-bootstrap-${basePackage.pname}";
inherit (basePackage) version src meta;
nativeBuildInputs = [ makeWrapper ];
buildPhase = ''
runHook preBuild
PYTHONPATH="${flit-core}/${python.sitePackages}" \
${python.interpreter} -m flit_core.wheel
runHook postBuild
'';
installPhase = ''
runHook preInstall
PYTHONPATH="${installer}/${python.sitePackages}" \
${python.interpreter} -m installer \
--destdir "$out" --prefix "" dist/*.whl
runHook postInstall
'';
}
// attrs
);
bootstrap-packaging = buildBootstrapPythonModule packaging { };
bootstrap-pyproject-hooks = buildBootstrapPythonModule pyproject-hooks { };
bootstrap-tomli = buildBootstrapPythonModule tomli { };
sitePkgs = python.sitePackages;
in
buildBootstrapPythonModule build {
# like the installPhase above, but wrapping the pyproject-build command
# to set up PYTHONPATH with the correct dependencies.
# This allows using `pyproject-build` without propagating its dependencies
# into the build environment, which is necessary to prevent
# pythonCatchConflicts from raising false positive alerts.
# This would happen whenever the package to build has a dependency on
# another version of a package that is also a dependency of pyproject-build.
installPhase = ''
runHook preInstall
PYTHONPATH="${installer}/${python.sitePackages}" \
${python.interpreter} -m installer \
--destdir "$out" --prefix "" dist/*.whl
wrapProgram $out/bin/pyproject-build \
--prefix PYTHONPATH : "$out/${sitePkgs}" \
--prefix PYTHONPATH : "${bootstrap-pyproject-hooks}/${sitePkgs}" \
--prefix PYTHONPATH : "${bootstrap-packaging}/${sitePkgs}" \
--prefix PYTHONPATH : "${bootstrap-tomli}/${sitePkgs}"
runHook postInstall
'';
}
|
