如何检查是否使用Python安装了rpm软件包? [英] How do I check if an rpm package is installed using Python?

问题描述

我正在编写一个Python 2.7应用程序，该应用程序依赖于要安装的几个rpm软件包.计划在不久的将来移植到Python 3.是否有一个简单的函数调用来检查是否安装了在两个版本的Python中均可使用的rpm?

I am writing a Python 2.7 app that relies on several rpm packages to be installed. There is a planned port to Python 3 in the near future. Is there a simple function call to check if an rpm is installed that works in both versions of Python?

例如

rpm = "binutils"
if package_installed(rpm):
    print("{} is installed".format(rpm))

推荐答案

import os

rpm = 'binutils'

f = os.popen('rpm -qa')
arq = f.readlines()
if rpm in arq:
    print("{} is installed".format(rpm))

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