merge_pot_file.py

#!/usr/bin/env python3

"""
Merge .pot file strings into existing .po files.

This file is part of Ardupilot methodic configurator. https://github.com/ArduPilot/MethodicConfigurator

SPDX-FileCopyrightText: 2024-2025 Amilcar do Carmo Lucas <amilcar.lucas@iav.de>

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

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


def process_locale_directory(locale_dir: str, pot_file: str) -> None:
    """Process a single locale directory."""
    po_file = os.path.join(locale_dir, "ardupilot_methodic_configurator.po")

    try:
        # Run msgfmt command
        exe = "C:\\Program Files\\gettext-iconv\\bin\\msgmerge.exe" if platform_system() == "Windows" else "msgmerge"
        cmd = [exe, "--update", "--no-fuzzy-matching", "--backup=none", po_file, pot_file]
        # pylint: disable=duplicate-code
        subprocess.run(cmd, check=True, capture_output=True, text=True)  # noqa: S603
        msg = f"Successfully processed {locale_dir}"
        logging.info(msg)
    except subprocess.CalledProcessError as e:
        msg = f"Error processing {locale_dir}: {e}"
        logging.error(msg)


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

    pot_file = os.path.join("ardupilot_methodic_configurator", "locale", "ardupilot_methodic_configurator.pot")

    # 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")
            process_locale_directory(locale_dir, pot_file)


if __name__ == "__main__":
    main()