agent

agent/app/core/installer.py

@@ -0,0 +1,30 @@
+from __future__ import annotations
+
+from pathlib import Path
+
+from app.core.command_runner import CommandRunner
+
+
+class DebInstaller:
+    def __init__(self, command_runner: CommandRunner) -> None:
+        self.command_runner = command_runner
+
+    def install_deb(self, file_path: Path) -> None:
+        self.command_runner.run(["apt", "install", "-y", str(file_path)])
+
+    def remove_package(self, package_name: str, purge: bool = False) -> None:
+        action = "purge" if purge else "remove"
+        self.command_runner.run(["apt", action, "-y", package_name])
+
+    def get_package_version(self, package_name: str) -> str | None:
+        result = self.command_runner.run(["dpkg-query", "-W", "-f=${Version}", package_name])
+        version = result.stdout.strip()
+        return version or None
+
+    def check_package_installed(self, package_name: str) -> bool:
+        try:
+            self.get_package_version(package_name)
+            return True
+        except Exception:
+            return False
+