linux-kernel - Re: [PATCH v2] kunit: tool: Assert the version requirement

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Message-ID: <CAFd5g44Y0a6HneG+RA-brhJSG+S7GEJSuwGgHCkFssy9vbmuzg@mail.gmail.com>
Date:   Mon, 28 Jun 2021 12:41:56 -0700
From:   Brendan Higgins <brendanhiggins@...gle.com>
To:     SeongJae Park <sj38.park@...il.com>
Cc:     dlatypov@...gle.com, linux-kselftest@...r.kernel.org,
        kunit-dev@...glegroups.com, linux-kernel@...r.kernel.org,
        SeongJae Park <sjpark@...zon.de>
Subject: Re: [PATCH v2] kunit: tool: Assert the version requirement

On Thu, Jun 17, 2021 at 12:46 AM SeongJae Park <sj38.park@...il.com> wrote:
>
> Commit 87c9c1631788 ("kunit: tool: add support for QEMU") on the 'next'
> tree adds 'from __future__ import annotations' in 'kunit_kernel.py'.
> Because it is supported on only >=3.7 Python, people using older Python
> will get below error:
>
>     Traceback (most recent call last):
>       File "./tools/testing/kunit/kunit.py", line 20, in <module>
>         import kunit_kernel
>       File "/home/sjpark/linux/tools/testing/kunit/kunit_kernel.py", line 9
>         from __future__ import annotations
>         ^
>     SyntaxError: future feature annotations is not defined
>
> This commit adds a version assertion in 'kunit.py', so that people get
> more explicit error message like below:
>
>     Traceback (most recent call last):
>       File "./tools/testing/kunit/kunit.py", line 15, in <module>
>         assert sys.version_info >= (3, 7), "Python version is too old"
>     AssertionError: Python version is too old
>
> Signed-off-by: SeongJae Park <sjpark@...zon.de>
> Acked-by: Daniel Latypov <dlatypov@...gle.com>

Reviewed-by: Brendan Higgins <brendanhiggins@...gle.com>