#!/usr/bin/env bash

# Build Python distribution packages (wheel + source distribution)

set -euo pipefail

cd "$(dirname "$0")/.."

echo "================================================================"

echo "Building Pilot Protocol Python SDK"

echo "================================================================"

echo ""

# Step 1: Build all binaries (CI publish workflows pre-populate pilotprotocol/bin/

# from the release tarball and skip this step via PILOT_SKIP_BUILD_BINARIES=1).

if [ "${PILOT_SKIP_BUILD_BINARIES:-0}" = "1" ]; then

echo "1. Skipping binary build (PILOT_SKIP_BUILD_BINARIES=1)"

if [ ! -f "pilotprotocol/bin/pilot-daemon" ]; then

echo " Error: pilotprotocol/bin/ is empty but PILOT_SKIP_BUILD_BINARIES=1." >&2

echo " The caller must populate it (e.g. extract from release tarball) first." >&2

exit 1

fi

echo " Found pre-populated binaries in pilotprotocol/bin/"

else

echo "1. Building platform binaries..."

./scripts/build-binaries.sh

fi

echo ""

# Step 2: Clean old builds

echo "2. Cleaning old builds..."

rm -rf dist/ build/ *.egg-info

echo " ✓ Cleaned"

echo ""

# Step 3: Build wheel and sdist

echo "3. Building wheel and source distribution..."

# Build platform-specific wheel (contains native binaries)

# All package metadata remains in pyproject.toml (PEP 621 compliant).

cat > setup.py << 'EOF'

from setuptools import setup

from setuptools.dist import Distribution

class BinaryDistribution(Distribution):

def has_ext_modules(self):

return True

setup(distclass=BinaryDistribution)

EOF

if [ -n "${VIRTUAL_ENV:-}" ]; then

python -m build --wheel

python -m build --sdist

else

python3 -m build --wheel

python3 -m build --sdist

fi

# Clean up temporary setup.py

rm -f setup.py

echo ""

# Step 4: Verify with twine (skip in CI/Docker)

if [ "${SKIP_TWINE_CHECK:-}" != "1" ]; then

echo "4. Verifying package..."

python3 -m twine check dist/*

echo ""

fi

echo "================================================================"

echo "✓ Build complete!"

echo "================================================================"

echo ""

echo "Created:"

ls -lh dist/

echo ""