Initial commit: Debian Manager — управление Debian-серверами

- SSH/SFTP управление без агентов
- Пакеты (apt), Docker, файлы, systemd, ufw, cron
- Плейбуки, групповые операции, планировщик
- Бэкапы, отчёты, Portainer, Proxmox VE, Gitea Deploy
- Терминал, Telegram-уведомления, тёмная/светлая тема

app/core/diff.py

@@ -0,0 +1,43 @@
+"""Diff пакетов между серверами."""
+from __future__ import annotations
+
+from dataclasses import dataclass
+from typing import Dict, List
+
+from app.core.packages import Package, list_packages
+from app.core.ssh import SSHClient
+
+
+@dataclass
+class VersionDiff:
+    name: str
+    version_a: str
+    version_b: str
+
+
+@dataclass
+class PackageDiff:
+    only_a: List[Package]
+    only_b: List[Package]
+    version_mismatch: List[VersionDiff]
+
+
+async def diff_servers(ca: SSHClient, cb: SSHClient,
+                       user_only: bool = True) -> PackageDiff:
+    pa = await list_packages(ca)
+    pb = await list_packages(cb)
+    if user_only:
+        pa = [p for p in pa if not p.is_system and p.manual]
+        pb = [p for p in pb if not p.is_system and p.manual]
+
+    map_a: Dict[str, Package] = {p.name: p for p in pa}
+    map_b: Dict[str, Package] = {p.name: p for p in pb}
+
+    only_a = [map_a[n] for n in sorted(map_a.keys() - map_b.keys())]
+    only_b = [map_b[n] for n in sorted(map_b.keys() - map_a.keys())]
+    mismatch = [
+        VersionDiff(n, map_a[n].version, map_b[n].version)
+        for n in sorted(map_a.keys() & map_b.keys())
+        if map_a[n].version != map_b[n].version
+    ]
+    return PackageDiff(only_a, only_b, mismatch)