linux-kernel - Re: [PATCH v3] kselftest/devices/probe: Fix SyntaxWarning in regex strings for Python3

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Message-ID: <6tlfxlgukpftlfh7z4mwbklcjl74rxixo7xjauyf5dstyhwav2@wvkwd3df5am6>
Date: Wed, 2 Oct 2024 11:00:26 +0200
From: Alessandro Zanni <alessandro.zanni87@...il.com>
To: shuah@...nel.org, gregkh@...uxfoundation.org, nfraprado@...labora.com, 
	skhan@...uxfoundation.org
Cc: linux-kselftest@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3] kselftest/devices/probe: Fix SyntaxWarning in regex
 strings for Python3

Hello,

this email is just a friendly reminder to know if the present patch is going to be applied or not.

Thank you.
Best Regards,
Alessandro Zanni

On 24/08/06 02:14, Alessandro Zanni wrote:
> Insert raw strings to prevent Python3 from interpreting string literals
> as Unicode strings and "\d" as invalid escaped sequence.
> 
> Fix the warnings:
> 
> tools/testing/selftests/devices/probe/test_discoverable_devices.py:48:
> SyntaxWarning: invalid escape sequence '\d' usb_controller_sysfs_dir =
> "usb[\d]+"
> 
> tools/testing/selftests/devices/probe/test_discoverable_devices.py: 94:
> SyntaxWarning: invalid escape sequence '\d' re_usb_version =
> re.compile("PRODUCT=.*/(\d)/.*")
> 
> Fixes: dacf1d7a78bf ("kselftest: Add test to verify probe of devices from
> discoverable buses")
> 
> Reviewed-by: Nícolas F. R. A. Prado <nfraprado@...labora.com>
> Signed-off-by: Alessandro Zanni <alessandro.zanni87@...il.com>
> ---
> 
> Notes:
>     v3: Reduce changelog lines lengthy, add warning messages
>     v2: Imperative mode description, add previous commit tag fix
> 
>  .../selftests/devices/probe/test_discoverable_devices.py      | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/tools/testing/selftests/devices/probe/test_discoverable_devices.py b/tools/testing/selftests/devices/probe/test_discoverable_devices.py
> index d94a74b8a054..d7a2bb91c807 100755
> --- a/tools/testing/selftests/devices/probe/test_discoverable_devices.py
> +++ b/tools/testing/selftests/devices/probe/test_discoverable_devices.py
> @@ -45,7 +45,7 @@ def find_pci_controller_dirs():
>  
>  
>  def find_usb_controller_dirs():
> -    usb_controller_sysfs_dir = "usb[\d]+"
> +    usb_controller_sysfs_dir = r"usb[\d]+"
>  
>      dir_regex = re.compile(usb_controller_sysfs_dir)
>      for d in os.scandir(sysfs_usb_devices):
> @@ -91,7 +91,7 @@ def get_acpi_uid(sysfs_dev_dir):
>  
>  
>  def get_usb_version(sysfs_dev_dir):
> -    re_usb_version = re.compile("PRODUCT=.*/(\d)/.*")
> +    re_usb_version = re.compile(r"PRODUCT=.*/(\d)/.*")
>      with open(os.path.join(sysfs_dev_dir, "uevent")) as f:
>          return int(re_usb_version.search(f.read()).group(1))
>  
> -- 
> 2.43.0
>