文件操作 - package_manager.py
返回文件管理
返回主菜单
删除本文件
文件: /usr/lib/python3/dist-packages/cloudinit/distros/package_management/package_manager.py
编辑文件内容
# This file is part of cloud-init. See LICENSE file for license information. from abc import ABC, abstractmethod from typing import Iterable, List from cloudinit import helpers UninstalledPackages = List[str] class PackageManager(ABC): name: str def __init__(self, runner: helpers.Runners, **kwargs): self.runner = runner @classmethod def from_config(cls, runner: helpers.Runners, cfg) -> "PackageManager": return cls(runner) @abstractmethod def available(self) -> bool: """Return if package manager is installed on system.""" @abstractmethod def update_package_sources(self, *, force=False): ... @abstractmethod def install_packages(self, pkglist: Iterable) -> UninstalledPackages: """Install the given packages. Return a list of packages that failed to install. Overriding classes should NOT raise an exception if packages failed to install. Instead, log the error and return what couldn't be installed so other installed package managers may be attempted. """
修改文件时间
将文件时间修改为当前时间的前一年
删除文件