Method create_from_string

backends/arm/tosa/specification.py:187–218

Create a specification from a standard string format. Example: ``TOSA-1.00.0+INT+FP+int4+cf``. Args: repr (str): Standard representation string. Returns: TosaSpecification: Parsed specification instance. Raises: ValueError: If t

(repr: str)

    @staticmethod
    def create_from_string(repr: str) -> "TosaSpecification":
        """Create a specification from a standard string format.

        Example: ``TOSA-1.00.0+INT+FP+int4+cf``.

        Args:
            repr (str): Standard representation string.

        Returns:
            TosaSpecification: Parsed specification instance.

        Raises:
            ValueError: If the representation is malformed or version is unsupported.

        """
        pattern = r"^(TOSA)-([\d.]+)\+(.+)$"
        match = re.match(pattern, repr)
        if match:
            name = match.group(1)
            version = Version(match.group(2))
            extras = match.group(3).split("+")
            if name != "TOSA":
                raise ValueError(f"Malformed TOSA specification representation: {repr}")
            match version.major, version.minor:
                case [1, 0]:
                    return Tosa_1_00(version, extras)
                case [1, 1]:
                    return Tosa_1_1(version, extras)
                case _:
                    raise ValueError(f"Wrong TOSA version: {version} from {repr}")

        raise ValueError(f"Failed to parse TOSA specification representation: {repr}")

    def _canonical_key(self) -> "TosaSpecification":
        """Returns a new TosaSpecification instance with only version and