create_mo_files.py

#!/usr/bin/env python3

"""
Create .mo files from the .po files.

This file is part of ArduPilot Methodic Configurator. https://github.com/ArduPilot/MethodicConfigurator

SPDX-FileCopyrightText: 2024-2026 Amilcar do Carmo Lucas <amilcar.lucas@iav.de>

SPDX-License-Identifier: GPL-3.0-or-later
"""

import logging
import os
import subprocess
import sys
from platform import system as platform_system


def process_locale_directory(locale_dir: str) -> bool:
    """
    Process a single locale directory.

    Returns True if successful, False otherwise.
    """
    po_file = os.path.join(locale_dir, "ardupilot_methodic_configurator.po")
    mo_file = os.path.join(locale_dir, "ardupilot_methodic_configurator.mo")

    try:
        # Run msgfmt command
        exe = "C:\\Program Files\\gettext-iconv\\bin\\msgfmt.exe" if platform_system() == "Windows" else "msgfmt"
        cmd = [exe, "-o", mo_file, po_file]
        subprocess.run(cmd, check=True, capture_output=True, text=True)  # noqa: S603
        msg = f"Successfully processed {locale_dir}"
        logging.info(msg)
        return True
    except subprocess.CalledProcessError as e:
        msg = f"Error processing {locale_dir}: {e}"
        logging.error(msg)
        return False


def main() -> None:
    logging.basicConfig(level="INFO", format="%(asctime)s - %(levelname)s - %(message)s")

    errors = 0
    # Walk through all locale directories
    for root, dirs, _files in os.walk(os.path.join("ardupilot_methodic_configurator", "locale")):
        if "LC_MESSAGES" in dirs:
            locale_dir = os.path.join(root, "LC_MESSAGES")
            if not process_locale_directory(locale_dir):
                errors += 1

    if errors > 0:
        logging.error("Failed to compile %d locale(s)", errors)
        sys.exit(1)


if __name__ == "__main__":
    main()