linux-kernel - [PATCH v1] kselftest/devices/probe: fixed SintaxWarning for Python 3

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Message-ID: <20240802161339.103709-1-alessandro.zanni87@gmail.com>
Date: Fri,  2 Aug 2024 18:13:37 +0200
From: Alessandro Zanni <alessandro.zanni87@...il.com>
To: shuah@...nel.org,
	gregkh@...uxfoundation.org,
	nfraprado@...labora.com,
	skhan@...uxfoundation.org
Cc: Alessandro Zanni <alessandro.zanni87@...il.com>,
	linux-kselftest@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH v1] kselftest/devices/probe: fixed SintaxWarning for Python 3

Inserted raw strings because Python3 interpretes string literals as Unicode strings,
so '\d' is considered an invalid escaped sequence but this is not the case.
This fix avoids the "SyntaxWarning: invalid escape sequence '\d'" warning
for Python versions greater than 3.6.

Signed-off-by: Alessandro Zanni <alessandro.zanni87@...il.com>
---

Notes:
    v1: inserted raw strings to avoid SyntaxWarning in Python3

 .../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