set -euo pipefail

cd "$(dirname "$0")"

if [ ! -d vllm ]; then
  if [ ! -f vllm.zip ]; then
    echo "Missing vllm/ and vllm.zip" >&2
    exit 1
  fi
  unzip -q vllm.zip
fi

python3 -m venv .venv
source .venv/bin/activate

pip install --upgrade pip setuptools wheel
pip install -r requirements.txt

python - <<'PY'
import vllm
print("vLLM import OK:", getattr(vllm, "__version__", "unknown"))
PY