compare_versions() — langchain Function Reference

Source Code

libs/partners/huggingface/langchain_huggingface/utils/import_utils.py lines 45–73

def compare_versions(
    library_or_version: str | version.Version,
    operation: str,
    requirement_version: str,
) -> bool:
    """Compare a library version to some requirement using a given operation.

    Args:
        library_or_version:
            A library name or a version to check.
        operation:
            A string representation of an operator, such as `">"` or `"<="`.
        requirement_version:
            The version to compare the library version against

    """
    if operation not in STR_OPERATION_TO_FUNC:
        msg = (
            f"`operation` must be one of {list(STR_OPERATION_TO_FUNC.keys())}"
            f", received {operation}"
        )
        raise ValueError(msg)
    if isinstance(library_or_version, str):
        library_or_version = version.parse(
            importlib.metadata.version(library_or_version)
        )
    return STR_OPERATION_TO_FUNC[operation](
        library_or_version, version.parse(requirement_version)
    )