text: import argparse
  from . import s3logparse
  import sys
  import csv
  
  
  def main():
      """
      Command line tool for processing S3 access logs
      """
      argparser = argparse.ArgumentParser()
      argparser.add_argument(
          'infile',
          nargs='?',
          type=argparse.FileType('r'),
          default=sys.stdin
      )
      args = argparser.parse_args()
  
      tsv_writer = csv.writer(sys.stdout, dialect=csv.excel_tab)
      tsv_writer.writerows(s3logparse.parse_to_tuples(args.infile.readlines()))
  