DreamScalerUsbLedStripController/launcher.py at main · tomasmark79/DreamScalerUsbLedStripController · GitHub

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#!/usr/bin/env python3
"""
DreamScaler Launcher
Single entry point for all DreamScaler tools.

Modes
-----
  osc    Start the Bitwig OSC bridge (listens for scale changes, drives LEDs)
  piano  Start the interactive piano tool (visualisation, scales, chords, demos)

Usage
-----
  python launcher.py                          # interactive menu
  python launcher.py --mode osc
  python launcher.py --mode piano
  python launcher.py --mode osc   --port COM5 --osc-port 9001
  python launcher.py --mode piano --port COM5
  python launcher.py --mode piano --port COM5 --jump 12   # jump to GUI selector
"""

import argparse
import subprocess
import sys
import os

from config import COM_PORT

HERE = os.path.dirname(os.path.abspath(__file__))


def _run(script, extra_args):
    path = os.path.join(HERE, script)
    subprocess.run([sys.executable, path] + extra_args)


def _menu():
    print()
    print('=' * 50)
    print('  DreamScaler Launcher')
    print('=' * 50)
    print('  1. OSC Bridge    (Bitwig -> LED)')
    print('  2. Piano tool    (interactive)')
    print('=' * 50)
    return input('  Choose [1/2]: ').strip()


def main():
    parser = argparse.ArgumentParser(
        description='DreamScaler Launcher',
        formatter_class=argparse.RawDescriptionHelpFormatter,
    )
    parser.add_argument('--mode',     choices=['osc', 'piano'],
                        help='Tool to launch (osc or piano)')
    parser.add_argument('--port',     default=COM_PORT,
                        help=f'Arduino serial port (default: {COM_PORT})')
    parser.add_argument('--osc-port', type=int, default=9001,
                        help='UDP port for OSC messages (default: 9001, osc mode only)')
    parser.add_argument('--jump',     default=None,
                        help='Jump straight to a piano menu option, e.g. 12 for GUI (piano mode only)')
    args = parser.parse_args()

    mode = args.mode
    if mode is None:
        choice = _menu()
        if choice == '1':
            mode = 'osc'
        elif choice == '2':
            mode = 'piano'
        else:
            print('Invalid choice'); sys.exit(1)

    if mode == 'osc':
        print(f'\nStarting OSC Bridge on {args.port}, OSC port {args.osc_port}...')
        _run('osc_bridge.py', ['--port', args.port, '--osc-port', str(args.osc_port)])

    elif mode == 'piano':
        extra = [args.port]
        if args.jump:
            extra.append(args.jump)
        print(f'\nStarting Piano tool on {args.port}...')
        _run('piano.py', extra)


if __name__ == '__main__':
    main()