nixpkgs/pkgs/development/interpreters/python/hooks/setuptools-build-hook.sh
2021-03-23 11:27:27 +01:00

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# Setup hook for setuptools.
echo "Sourcing setuptools-build-hook"
setuptoolsBuildPhase() {
echo "Executing setuptoolsBuildPhase"
local args
runHook preBuild
cp -f @setuppy@ nix_run_setup
args=""
if [ -n "$setupPyGlobalFlags" ]; then
args+="$setupPyGlobalFlags"
fi
if [ -n "$setupPyBuildFlags" ]; then
args+="build_ext $setupPyBuildFlags"
fi
eval "@pythonInterpreter@ nix_run_setup $args bdist_wheel"
runHook postBuild
echo "Finished executing setuptoolsBuildPhase"
}
setuptoolsShellHook() {
echo "Executing setuptoolsShellHook"
runHook preShellHook
if test -e setup.py; then
tmp_path=$(mktemp -d)
export PATH="$tmp_path/bin:$PATH"
export PYTHONPATH="$tmp_path/@pythonSitePackages@:$PYTHONPATH"
mkdir -p "$tmp_path/@pythonSitePackages@"
eval "@pythonInterpreter@ -m pip install -e . --prefix $tmp_path \
--no-build-isolation >&2"
# Process pth file installed in tmp path. This allows one to
# actually import the editable installation. Note site.addsitedir
# appends, not prepends, new paths. Hence, it is not possible to override
# an existing installation of the package.
# https://github.com/pypa/setuptools/issues/2612
export NIX_PYTHONPATH="$tmp_path/@pythonSitePackages@:${NIX_PYTHONPATH-}"
fi
runHook postShellHook
echo "Finished executing setuptoolsShellHook"
}
if [ -z "${dontUseSetuptoolsBuild-}" ] && [ -z "${buildPhase-}" ]; then
echo "Using setuptoolsBuildPhase"
buildPhase=setuptoolsBuildPhase
fi
if [ -z "${dontUseSetuptoolsShellHook-}" ] && [ -z "${shellHook-}" ]; then
echo "Using setuptoolsShellHook"
shellHook=setuptoolsShellHook
fi