linux-kernel - Re: [PATCH v4 1/3] kunit: tool: surface and address more typing issues

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Date:   Thu, 14 Jan 2021 16:51:44 -0800
From:   Brendan Higgins <brendanhiggins@...gle.com>
To:     Daniel Latypov <dlatypov@...gle.com>
Cc:     David Gow <davidgow@...gle.com>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        "open list:KERNEL SELFTEST FRAMEWORK" 
        <linux-kselftest@...r.kernel.org>,
        Shuah Khan <skhan@...uxfoundation.org>
Subject: Re: [PATCH v4 1/3] kunit: tool: surface and address more typing issues

On Thu, Jan 14, 2021 at 4:39 PM Daniel Latypov <dlatypov@...gle.com> wrote:
>
> The authors of this tool were more familiar with a different
> type-checker, https://github.com/google/pytype.
>
> That's open source, but mypy seems more prevalent (and runs faster).
> And unlike pytype, mypy doesn't try to infer types so it doesn't check
> unanotated functions.
>
> So annotate ~all functions in kunit tool to increase type-checking
> coverage.
> Note: per https://www.python.org/dev/peps/pep-0484/, `__init__()` should
> be annotated as `-> None`.
>
> Doing so makes mypy discover a number of new violations.
> Exclude main() since we reuse `request` for the different types of
> requests, which mypy isn't happy about.
>
> This commit fixes all but one error, where `TestSuite.status` might be
> None.
>
> Signed-off-by: Daniel Latypov <dlatypov@...gle.com>
> Reviewed-by: David Gow <davidgow@...gle.com>

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