[PATCH] utils: ipc: extract-docs: Fix escape characters in regex

[Laurent Pinchart]

Hi Paul,

Thank you for the patch.

On Mon, Jan 22, 2024 at 08:01:04PM +0900, Paul Elder wrote:
> Newer versions of python now generate a SyntaxWarning (SyntaxError in
> the future [1]) for invalid escape sequences. Fix this, as there were
> invalid escape sequences in the regexes:
> 
> "libcamera/utils/ipc/./extract-docs.py:13: SyntaxWarning: invalid escape
> sequence '\/'"
> 
> [1] https://docs.python.org/3.12/library/re.html
> 
> Reported-by: Nicolas Dufresne <nicolas at ndufresne.ca>
> Signed-off-by: Paul Elder <paul.elder at ideasonboard.com>

Reviewed-by: Laurent Pinchart <laurent.pinchart at ideasonboard.com>

> ---
> I'm not actually able to reproduce the warning in the first place, but
> from my understanding this should fix the problem. Nicolas, could you
> confirm this please?
> ---
>  utils/ipc/extract-docs.py | 6 +++---
>  1 file changed, 3 insertions(+), 3 deletions(-)
> 
> diff --git a/utils/ipc/extract-docs.py b/utils/ipc/extract-docs.py
> index 8f7fff9ff..c2050c998 100755
> --- a/utils/ipc/extract-docs.py
> +++ b/utils/ipc/extract-docs.py
> @@ -10,9 +10,9 @@ import argparse
>  import re
>  import sys
>  
> -regex_block_start = re.compile('^\/\*\*$')
> -regex_block_end = re.compile('^ \*\/$')
> -regex_spdx = re.compile('^\/\* SPDX-License-Identifier: .* \*\/$')
> +regex_block_start = re.compile(r'^/\*\*$')
> +regex_block_end = re.compile(r'^ \*/$')
> +regex_spdx = re.compile(r'^/\* SPDX-License-Identifier: .* \*/$')
>  
>  
>  def main(argv):

-- 
Regards,

Laurent Pinchart