检查是否从 Python 安装了 Debian 软件包

2022-01-24 00:00:00 python debian

问题描述

是否有一种优雅且更像 Python 的方法来检查软件包是否安装在 Debian 上?

Is there an elegant and more Python-like way to check if a package is installed on Debian?

在 bash 脚本中，我会这样做:

In a bash script, I'd do:

dpkg -s packagename | grep Status

建议在 Python 脚本中做同样的事情?

Suggestions to do the same in a Python script?

解决方案

这是pythonic的方式:

This is a pythonic way: 

import apt
cache = apt.Cache()
if cache['package-name'].is_installed:
    print "YES it's installed"
else:
    print "NO it's NOT installed"

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