linux-kernel - Re: [PATCH 1/2] docs: kernel-doc: avoid script crash on ancient Python

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Message-ID: <e9cf21e5332616f2fb58a90fe8ba6f91359915b8@intel.com>
Date: Tue, 29 Jul 2025 16:19:45 +0300
From: Jani Nikula <jani.nikula@...ux.intel.com>
To: Akira Yokosawa <akiyks@...il.com>, mchehab+huawei@...nel.org
Cc: corbet@....net, linux-doc@...r.kernel.org, linux-kernel@...r.kernel.org,
 Akira Yokosawa <akiyks@...il.com>
Subject: Re: [PATCH 1/2] docs: kernel-doc: avoid script crash on ancient Python

On Tue, 29 Jul 2025, Akira Yokosawa <akiyks@...il.com> wrote:
> Hi,
>
> On Mon, 28 Jul 2025 16:54:28 +0200, Mauro Carvalho Chehab wrote:
>> While we do need at least 3.6 for kernel-doc to work, and at least
>> 3.7 for it to output functions and structs with parameters at the
>> right order, let the python binary be compatible with legacy
>                               code?
>
>> versions.
>> 
> [...]
>> 
>> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@...nel.org>
>> ---
>>  scripts/kernel-doc.py | 37 ++++++++++++++++++++++++++-----------
>>  1 file changed, 26 insertions(+), 11 deletions(-)
>> 
>> diff --git a/scripts/kernel-doc.py b/scripts/kernel-doc.py
>> index fc3d46ef519f..d4f9188d6a19 100755
>> --- a/scripts/kernel-doc.py
>> +++ b/scripts/kernel-doc.py
>> @@ -1,9 +1,19 @@
>> -#!/usr/bin/env python3
>> +#!/usr/bin/env python
>
> This would conflict with my existing setup which has
> /usr/bin/python3 only.
>
> Please don't do this!

Agreed, this breaks more than it fixes.

Python 2.7 reached end-of-life over five years ago. Do we really have to
cater for ancient stuff? Which actual real world cases do not have
Python 3+ available? Please just let it go, and see if anyone ever
notices?

BR,
Jani.


-- 
Jani Nikula, Intel