def query_udev_properties()

in selftest/selftest.py [0:0]

• 25 lines of code
• 4 McCabe index (conditional complexity)

    def query_udev_properties(interface_name: str) -> Dict[str, str]:
        """Query all udev properties for a given interface using udevadm."""
        try:
            result = subprocess.run(
                [
                    "udevadm",
                    "info",
                    "--query=property",
                    f"--path={SYS_CLASS_NET}/{interface_name}",
                ],
                stdout=subprocess.PIPE,
                stderr=subprocess.PIPE,
                text=True,
                check=True,
            )
            properties: Dict[str, str] = {}
            for line in result.stdout.splitlines():
                if "=" in line:
                    key, value = line.split("=", 1)
                    properties[key] = value
            return properties
        except subprocess.CalledProcessError as error:
            logger.error(
                "Failed to query udev properties for %s: %r", interface_name, error
            )
            return {}