91 lines
2.4 KiB
Python
91 lines
2.4 KiB
Python
import subprocess
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import logging
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from dataclasses import dataclass, field
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from pathlib import Path
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from typing import Optional
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logger = logging.getLogger(__name__)
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PACMAN_LOCK = Path("/var/lib/pacman/db.lck")
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@dataclass
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class Package:
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name: str
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old_version: str
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new_version: str
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@dataclass
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class InstallResult:
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success: bool
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installed: list = field(default_factory=list)
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failed: list = field(default_factory=list)
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error: Optional[str] = None
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def is_pacman_locked() -> bool:
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return PACMAN_LOCK.exists()
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def check_updates() -> list[Package]:
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"""Vérifie les mises à jour disponibles via checkupdates (sans droits root)."""
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result = subprocess.run(
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["checkupdates"],
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capture_output=True, text=True, timeout=120
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)
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packages = []
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for line in result.stdout.strip().splitlines():
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parts = line.split()
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# Format attendu : "nom ancienne_version -> nouvelle_version"
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if len(parts) >= 4 and parts[2] == "->":
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packages.append(Package(
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name=parts[0],
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old_version=parts[1],
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new_version=parts[3],
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))
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return packages
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def download_packages(names: list[str]) -> bool:
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"""Télécharge les paquets dans le cache sans les installer."""
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if not names:
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return True
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result = subprocess.run(
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["pacman", "-Syw", "--noconfirm", "--noprogressbar"] + names,
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capture_output=True, text=True, timeout=600
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)
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if result.returncode != 0:
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logger.error(f"Téléchargement échoué : {result.stderr[-500:]}")
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return False
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return True
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def sync_db() -> bool:
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"""Synchronise la base de données des paquets."""
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result = subprocess.run(
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["pacman", "-Sy", "--noconfirm"],
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capture_output=True, text=True, timeout=120
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)
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return result.returncode == 0
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def install_packages(names: list[str]) -> InstallResult:
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"""Installe des paquets spécifiques depuis le cache."""
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if not names:
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return InstallResult(success=True)
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result = subprocess.run(
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["pacman", "-S", "--noconfirm", "--needed", "--noprogressbar"] + names,
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capture_output=True, text=True, timeout=600
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)
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if result.returncode == 0:
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return InstallResult(success=True, installed=names)
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else:
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return InstallResult(
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success=False,
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failed=names,
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error=result.stderr[-800:],
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)
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