g023.sh

#!/usr/bin/env bash
# g023 Code launcher (Linux / macOS / WSL)
# Usage from any project folder:
#   /path/to/g023-code/g023.sh
#   or after adding to PATH / alias: g023

set -euo pipefail

SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
export G023_HOME="${SCRIPT_DIR}"
export G023_PROJECT_ROOT="$(pwd)"

# A venv created by installer.sh wins over whatever python is on PATH: it is the
# one interpreter we know has the dependencies.
if [ -x "${SCRIPT_DIR}/.venv/bin/python" ]; then
    PYTHON="${SCRIPT_DIR}/.venv/bin/python"
elif command -v python3 >/dev/null 2>&1; then
    PYTHON=python3
elif command -v python >/dev/null 2>&1; then
    PYTHON=python
else
    echo "Error: Python 3 is required but not found. Run ./installer.sh first." >&2
    exit 1
fi

# Ensure the package is importable
export PYTHONPATH="${SCRIPT_DIR}${PYTHONPATH:+:$PYTHONPATH}"

exec "${PYTHON}" -m g023_code "$@"