Prompt: What does this code do?

class ReadParquetOptions(PipelineOptions):

    @classmethod
    def _add_argparse_args(cls, parser):
      parser.add_argument(
          "--path",
          help="GCS path to parquet file")

  options = ReadParquetOptions()

with beam.Pipeline(options=options) as p:
    (p | "Read Parquet" >> ReadFromParquet(options.path)
       | Map(logging.info))

Response: This code reads data from Apache Parquet files using the ReadFromParquet transform from the built-in ParquetIO connector.

class ReadParquetOptions(PipelineOptions):

    @classmethod
    def _add_argparse_args(cls, parser):
      parser.add_argument(
          "--path",
          help="GCS path to parquet file")

  options = ReadParquetOptions()

The ReadParquetOptions class defines the command-line argument --path, which specifies the path to the Parquet file. To parse command-line arguments, this code uses pipeline options.

with beam.Pipeline(options=options) as p:
    (p | "Read Parquet" >> ReadFromParquet(options.path)
       | Map(logging.info))

The Apache Beam pipeline uses the ReadParquetOptions class to set the path to the Parquet file and the ReadFromParquet transform to read data from the file.