#!/usr/bin/env python3
"""
Lit install_linux_packages.py et génère un fichier .txt avec les paquets
Debian/Ubuntu à installer.
"""
import re
import sys

READER="install_linux_packages.py"
OUT="packages.txt"


def main():
    with open(READER, "r", encoding="utf-8") as f:
        content = f.read()

    # Cherche toutes les lignes du type: DISTRO_ID_DEBIAN: "nom-du-paquet"
    packages = re.findall(r'DISTRO_ID_DEBIAN:\s*"([^"]+)"', content)

    # Enlève les doublons, trie
    packages = sorted(set(packages))

    with open(OUT, "w", encoding="utf-8") as f:
        for pkg in packages:
            f.write(pkg + "\n")

    print(f"{len(packages)} paquets écrits dans {OUT}")


if __name__ == "__main__":
    main()