build pylucene

build_pylucene.sh

#!/usr/bin/env bash
set -Eeuo pipefail
trap 'echo "❌  failed at line ${LINENO}" >&2' ERR

LUCENE_VER=10.0.0
WORKDIR=$(pwd)/pylucene-trunk
PYLUCENE=$WORKDIR/lucene-pylucene
LUCENE_DIR=$PYLUCENE/lucene-java-$LUCENE_VER
JAVA_HOME=/usr/lib/jvm/java-21-openjdk
JDK_PKG=jdk21-openjdk


if [[ -z "${SUDO_PASSWORD:-}" ]]; then
    echo "Error: SUDO_PASSWORD environment variable must be set (needed to clean up)"
    exit 1
fi

if [[ -d "$WORKDIR" ]]; then
    rm -rf "$WORKDIR"
fi


if ! command -v javac &> /dev/null; then
    echo "$SUDO_PASSWORD" | sudo -S pacman -Sy --noconfirm --needed base-devel $JDK_PKG apache-ant \
                       subversion git python python-pip > /dev/null
fi

mkdir -p "$WORKDIR"
cd       "$WORKDIR"

if [[ -d $PYLUCENE/.svn ]]; then
    svn up --ignore-externals "$PYLUCENE" > /dev/null
else
    svn co --ignore-externals \
       https://svn.apache.org/repos/asf/lucene/pylucene/trunk/ "$PYLUCENE" > /dev/null
fi

rm -rf "$LUCENE_DIR"
git clone --quiet --branch "releases/lucene/$LUCENE_VER" \
          https://github.com/apache/lucene.git "$LUCENE_DIR"

cd "$PYLUCENE"
tar -cf - extensions | tar -C "$LUCENE_DIR"/lucene -xf -
echo 'include "lucene:extensions"' >> "$LUCENE_DIR"/settings.gradle

export JAVA_HOME="$JAVA_HOME"
export PATH="$JAVA_HOME/bin:$PATH"
cd "$LUCENE_DIR"
./gradlew --no-daemon -q clean jar collectRuntimeJars -x test

cd "$PYLUCENE"
export PATH="$JAVA_HOME/bin:$PATH"
python -m venv .venv
source .venv/bin/activate
python -m pip -q install --upgrade pip setuptools wheel
export LDFLAGS="-L$JAVA_HOME/lib -L$JAVA_HOME/lib/server"
export JCC_JDK="$JAVA_HOME"
python -m pip -q install --no-binary :all: "JCC>=3.15"

export PATH="$JAVA_HOME/bin:$PATH"
export JAVA_HOME="$JAVA_HOME"
export LD_LIBRARY_PATH="$JAVA_HOME/lib:$JAVA_HOME/lib/server:${LD_LIBRARY_PATH:-}"
JCC_CMD="$(which python) -m jcc"
PATH="$JAVA_HOME/bin:$PATH" JAVA_HOME="$JAVA_HOME" LD_LIBRARY_PATH="$LD_LIBRARY_PATH" make -j"$(nproc)" JCC="$JCC_CMD" JCCFLAGS=--shared PYTHON="$(which python)" NUM_FILES=16 all
PATH="$JAVA_HOME/bin:$PATH" JAVA_HOME="$JAVA_HOME" LD_LIBRARY_PATH="$LD_LIBRARY_PATH" make JCC="$JCC_CMD" NUM_FILES=16 test
PATH="$JAVA_HOME/bin:$PATH" JAVA_HOME="$JAVA_HOME" LD_LIBRARY_PATH="$LD_LIBRARY_PATH" make JCC="$JCC_CMD" NUM_FILES=16 install

echo "smoke test..."
export PATH="$JAVA_HOME/bin:$PATH"
export LD_LIBRARY_PATH="$JAVA_HOME/lib:$JAVA_HOME/lib/server:${LD_LIBRARY_PATH:-}"
python - <<'PY'
import lucene, platform, sys
lucene.initVM(['-Djava.awt.headless=true'])
print(f"✅  PyLucene {lucene.VERSION} loaded — JVM {platform.java_ver()[0]}")