linux-kernel - Re: [PATCH net-next] selftests: openvswitch: Fix escape chars in regexp.

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Message-ID: <f7t7cgwavni.fsf@redhat.com>
Date: Wed, 17 Apr 2024 10:52:49 -0400
From: Aaron Conole <aconole@...hat.com>
To: Adrian Moreno <amorenoz@...hat.com>
Cc: netdev@...r.kernel.org,  linux-kernel@...r.kernel.org (open list),
  Paolo Abeni <pabeni@...hat.com>,  Eric Dumazet <edumazet@...gle.com>,
  dev@...nvswitch.org (open list:OPENVSWITCH),
  linux-kselftest@...r.kernel.org (open list:KERNEL SELFTEST FRAMEWORK),
  Pravin B Shelar <pshelar@....org>,  "David S. Miller"
 <davem@...emloft.net>,  Shuah Khan <shuah@...nel.org>,  Jakub Kicinski
 <kuba@...nel.org>
Subject: Re: [PATCH net-next] selftests: openvswitch: Fix escape chars in
 regexp.

Adrian Moreno <amorenoz@...hat.com> writes:

> Character sequences starting with `\` are interpreted by python as
> escaped Unicode characters. However, they have other meaning in
> regular expressions (e.g: "\d").
>
> It seems Python >= 3.12 starts emitting a SyntaxWarning when these
> escaped sequences are not recognized as valid Unicode characters.
>
> An example of these warnings:
>
> tools/testing/selftests/net/openvswitch/ovs-dpctl.py:505:
> SyntaxWarning: invalid escape sequence '\d'
>
> Fix all the warnings by flagging literals as raw strings.
>
> Signed-off-by: Adrian Moreno <amorenoz@...hat.com>
> ---

Thanks, Adrian.

Reviewed-by: Aaron Conole <aconole@...hat.com>