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path: root/pkgs/development/interpreters/python/hooks/pip-build-hook.sh
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# Setup hook to use for pip projects
# shellcheck shell=bash

echo "Sourcing pip-build-hook"

pipBuildPhase() {
    echo "Executing pipBuildPhase"
    runHook preBuild

    mkdir -p dist

    local -a flagsArray=(
        --verbose
        --no-index
        --no-deps
        --no-clean
        --no-build-isolation
        --wheel-dir dist
    )
    concatTo flagsArray pipBuildFlags

    echo "Creating a wheel..."
    echoCmd 'pip build flags' "${flagsArray[@]}"
    @pythonInterpreter@ -m pip wheel "${flagsArray[@]}" .
    echo "Finished creating a wheel..."

    runHook postBuild
    echo "Finished executing pipBuildPhase"
}

pipShellHook() {
    echo "Executing pipShellHook"
    runHook preShellHook

    # Long-term setup.py should be dropped.
    if [ -e pyproject.toml ]; then
        tmp_path=$(mktemp -d)
        export PATH="$tmp_path/bin:$PATH"
        export PYTHONPATH="$tmp_path/@pythonSitePackages@:$PYTHONPATH"
        mkdir -p "$tmp_path/@pythonSitePackages@"
        @pythonInterpreter@ -m pip install -e . --prefix "$tmp_path" \
            --no-build-isolation >&2
    fi

    runHook postShellHook
    echo "Finished executing pipShellHook"
}

if [ -z "${dontUsePipBuild-}" ] && [ -z "${buildPhase-}" ]; then
    echo "Using pipBuildPhase"
    buildPhase=pipBuildPhase
fi

if [ -z "${shellHook-}" ]; then
    echo "Using pipShellHook"
    shellHook=pipShellHook
fi