检查Linux发行版名称 [英] Check Linux distribution name

问题描述

我必须从Python脚本获取Linux发行版名称.平台模块中有一个dist方法:

I have to get the Linux distribution name from a Python script. There is a dist method in the platform module:

import platform
platform.dist()

但是在我的Arch Linux下，它返回:

But under my Arch Linux it returns:

>>> platform.dist()
('', '', '')

为什么?我怎么得到名字?

Why? How can I get the name?

PS.我必须检查发行版是否基于Debian.

PS. I have to check whether the distribution is Debian-based.

更新:我在这里 Python网站，即dist()从2.6开始不推荐使用.

Update: I found here Python site, that dist() is deprecated since 2.6.

>>> platform.linux_distribution()
('', '', '')

推荐答案

这在Ubuntu上对我有效:

This works for me on Ubuntu:

('Ubuntu', '10.04', 'lucid')

然后我用strace找出平台模块到底在做什么以查找发行版，这就是这一部分:

I then used strace to find out what exactly the platform module is doing to find the distribution, and it is this part:

open("/etc/lsb-release", O_RDONLY|O_LARGEFILE) = 3
fstat64(3, {st_mode=S_IFREG|0644, st_size=102, ...}) = 0
fstat64(3, {st_mode=S_IFREG|0644, st_size=102, ...}) = 0
mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0xb76b1000
read(3, "DISTRIB_ID=Ubuntu\nDISTRIB_RELEAS"..., 8192) = 102
read(3, "", 4096)                       = 0
read(3, "", 8192)                       = 0
close(3)                                = 0

因此，有/etc/lsb-release包含此信息，该信息来自Ubuntu的Debian基础文件包.

So, there is /etc/lsb-release containing this information, which comes from Ubuntu's Debian base-files package.

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