def _process_caching_config()

in src/aws_encryption_sdk_cli/internal/arg_parsing.py [0:0]

• 12 lines of code
• 5 McCabe index (conditional complexity)

def _process_caching_config(raw_caching_config):
    # type: (RAW_CONFIG) -> CACHING_CONFIG
    """Applies additional processing to prepare the caching configuration.

    :param list raw_caching_config: Unprocessed caching configuration
    :returns: Processed caching configuration
    :rtype: dict
    :raises ParameterParseError: if invalid parameter name is found
    :raises ParameterParseError: if either capacity or max_age are not defined
    """
    _cast_types = {"capacity": int, "max_messages_encrypted": int, "max_bytes_encrypted": int, "max_age": float}
    parsed_config = _parse_and_collapse_config(raw_caching_config)

    if "capacity" not in parsed_config or "max_age" not in parsed_config:
        raise ParameterParseError('If enabling caching, both "capacity" and "max_age" are required')

    caching_config = {}  # type: Dict[str, Union[str, int, float]]
    for key, value in parsed_config.items():
        try:
            caching_config[key] = _cast_types[key](value)
        except KeyError:
            raise ParameterParseError('Invalid caching configuration key: "{}"'.format(key))
    return caching_config