def parse_args()

in python/dataproc_templates/bigquery/bigquery_to_memorystore.py [0:0]
88 lines of code
3 McCabe index (conditional complexity)

    def parse_args(args: Optional[Sequence[str]] = None) -> Dict[str, Any]:
        parser: argparse.ArgumentParser = argparse.ArgumentParser()

        parser.add_argument(
            f'--{constants.BQ_MEMORYSTORE_INPUT_TABLE}',
            dest=constants.BQ_MEMORYSTORE_INPUT_TABLE,
            required=True,
            help='BigQuery Input table name'
        )
        parser.add_argument(
            f'--{constants.BQ_MEMORYSTORE_OUTPUT_HOST}',
            dest=constants.BQ_MEMORYSTORE_OUTPUT_HOST,
            required=True,
            help='Redis Memorystore host',
        )
        parser.add_argument(
            f'--{constants.BQ_MEMORYSTORE_OUTPUT_PORT}',
            dest=constants.BQ_MEMORYSTORE_OUTPUT_PORT,
            required=False,
            default=6379,
            help='Redis Memorystore port. Defaults to 6379',
        )
        #todo: add defaults
        parser.add_argument(
            f'--{constants.BQ_MEMORYSTORE_OUTPUT_TABLE}',
            dest=constants.BQ_MEMORYSTORE_OUTPUT_TABLE,
            required=True,
            help='Redis Memorystore target table name',
        )
        parser.add_argument(
            f'--{constants.BQ_MEMORYSTORE_OUTPUT_KEY_COLUMN}',
            dest=constants.BQ_MEMORYSTORE_OUTPUT_KEY_COLUMN,
            required=True,
            help='Redis Memorystore key column for target table',
        )
        parser.add_argument(
            f'--{constants.BQ_MEMORYSTORE_OUTPUT_MODEL}',
            dest=constants.BQ_MEMORYSTORE_OUTPUT_MODEL,
            required=False,
            default=constants.BQ_MEMORYSTORE_OUTPUT_MODEL_HASH,
            help=(
                'Memorystore persistence model for Dataframe'
                '(one of: hash, binary) '
                '(Defaults to hash)'
            ),
            choices=[
                constants.BQ_MEMORYSTORE_OUTPUT_MODEL_HASH,
                constants.BQ_MEMORYSTORE_OUTPUT_MODEL_BINARY
            ]
        )
        parser.add_argument(
            f'--{constants.BQ_MEMORYSTORE_OUTPUT_MODE}',
            dest=constants.BQ_MEMORYSTORE_OUTPUT_MODE,
            required=False,
            default=constants.OUTPUT_MODE_APPEND,
            help=(
                'Output write mode '
                '(one of: append,overwrite,ignore,errorifexists) '
                '(Defaults to append)'
            ),
            choices=[
                constants.OUTPUT_MODE_OVERWRITE,
                constants.OUTPUT_MODE_APPEND,
                constants.OUTPUT_MODE_IGNORE,
                constants.OUTPUT_MODE_ERRORIFEXISTS
            ]
        )
        parser.add_argument(
            f'--{constants.BQ_MEMORYSTORE_OUTPUT_TTL}',
            dest=constants.BQ_MEMORYSTORE_OUTPUT_TTL,
            required=False,
            default=0,
            help=(
                'Data time to live in seconds. Data doesn\'t expire if ttl is less than 1'
                '(Defaults to 0)'
            )
        )
        parser.add_argument(
            f'--{constants.BQ_MEMORYSTORE_OUTPUT_DBNUM}',
            dest=constants.BQ_MEMORYSTORE_OUTPUT_DBNUM,
            required=False,
            default=0,
            help=(
                'Database / namespace for logical key separation'
                '(Defaults to 0)'
            )
        )
        
        known_args: argparse.Namespace
        known_args, _ = parser.parse_known_args(args)

        return vars(known_args)