Celestia

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"""Handle the merge command."""
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# Copyright © 2023, the Celestia Development Team
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# Original version by Andrew Tribick, December 2023
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License
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# as published by the Free Software Foundation; either version 2
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# of the License, or (at your option) any later version.
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from __future__ import annotations
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import glob
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import os
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import re
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import subprocess  # nosec B404
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from typing import Union
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from .utilities import exe_path
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_LOCALE_PATTERN = re.compile(r"^[a-z]{2}(?:_[A-Z]{2})?$")
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def merge_po(
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    gettext_dir: Union[str, os.PathLike], po_dir: Union[str, os.PathLike]
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) -> None:
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    """Merges the po files"""
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    msgmerge = exe_path(gettext_dir, "msgmerge")
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    pot_file = os.path.join(po_dir, "celestia.pot")
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    for po_file in glob.glob(os.path.join(po_dir, "*.po")):
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        basename = os.path.basename(po_file)
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        if not _LOCALE_PATTERN.match(os.path.splitext(basename)[0]):
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            continue
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        print(f"Processing {basename}")
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        subprocess.run(  # nosec B603
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            [
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                msgmerge,
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                "--update",
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                "--quiet",
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                po_file,
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                pot_file,
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            ],
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            check=True,
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        )
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