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Message-ID: <87jztxwxtu.fsf@meer.lwn.net>
Date: Mon, 14 Aug 2023 07:35:57 -0600
From: Jonathan Corbet <corbet@....net>
To: Benjamin Gray <bgray@...ux.ibm.com>, linux-kernel@...r.kernel.org,
linux-ia64@...r.kernel.org, linux-doc@...r.kernel.org,
bpf@...r.kernel.org, linux-pm@...r.kernel.org
Cc: abbotti@....co.uk, hsweeten@...ionengravers.com,
jan.kiszka@...mens.com, kbingham@...nel.org, mykolal@...com,
Benjamin Gray <bgray@...ux.ibm.com>
Subject: Re: [PATCH 2/8] Documentation/sphinx: fix Python string escapes
Benjamin Gray <bgray@...ux.ibm.com> writes:
> Python 3.6 introduced a DeprecationWarning for invalid escape sequences.
> This is upgraded to a SyntaxWarning in Python 3.12, and will eventually
> be a syntax error.
>
> Fix these now to get ahead of it before it's an error.
>
> Signed-off-by: Benjamin Gray <bgray@...ux.ibm.com>
> ---
> Documentation/sphinx/cdomain.py | 2 +-
> Documentation/sphinx/kernel_abi.py | 2 +-
> Documentation/sphinx/kernel_feat.py | 2 +-
> Documentation/sphinx/kerneldoc.py | 2 +-
> Documentation/sphinx/maintainers_include.py | 8 ++++----
> 5 files changed, 8 insertions(+), 8 deletions(-)
So I am the maintainer for this stuff...is there a reason you didn't
copy me on this work?
> diff --git a/Documentation/sphinx/cdomain.py b/Documentation/sphinx/cdomain.py
> index ca8ac9e59ded..dbdc74bd0772 100644
> --- a/Documentation/sphinx/cdomain.py
> +++ b/Documentation/sphinx/cdomain.py
> @@ -93,7 +93,7 @@ def markup_ctype_refs(match):
> #
> RE_expr = re.compile(r':c:(expr|texpr):`([^\`]+)`')
> def markup_c_expr(match):
> - return '\ ``' + match.group(2) + '``\ '
> + return '\\ ``' + match.group(2) + '``\\ '
I have to wonder about this one; I doubt the intent was to insert a
literal backslash. I have to fire up my ancient build environment to
even try this, but even if it's right...
> #
> # Parse Sphinx 3.x C markups, replacing them by backward-compatible ones
> diff --git a/Documentation/sphinx/kernel_abi.py b/Documentation/sphinx/kernel_abi.py
> index b5feb5b1d905..b9f026f016fd 100644
> --- a/Documentation/sphinx/kernel_abi.py
> +++ b/Documentation/sphinx/kernel_abi.py
> @@ -138,7 +138,7 @@ class KernelCmd(Directive):
> code_block += "\n " + l
> lines = code_block + "\n\n"
>
> - line_regex = re.compile("^\.\. LINENO (\S+)\#([0-9]+)$")
> + line_regex = re.compile("^\\.\\. LINENO (\\S+)\\#([0-9]+)$")
All of these really just want to be raw strings - a much more minimal
fix that makes the result quite a bit more readable:
line_regex = re.compile(r"^\.\. LINENO (\S+)\#([0-9]+)$")
^
|
---------------------------+
That, I think, is how these should be fixed.
Thanks,
jon
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