code: def main(argv):
      logging.basicConfig(format="%(name)s: %(levelname)s: %(message)s")
      log.setLevel(logging.INFO)
  
      # Parse options.
      parser = optparse.OptionParser(
          prog="cutarelease",
          usage="",
          version="%prog " + __version__,
          description=__doc__,
          formatter=_NoReflowFormatter(),
      )
      parser.add_option(
          "-v",
          "--verbose",
          dest="log_level",
          action="store_const",
          const=logging.DEBUG,
          help="more verbose output",
      )
      parser.add_option(
          "-q",
          "--quiet",
          dest="log_level",
          action="store_const",
          const=logging.WARNING,
          help="quieter output (just warnings and errors)",
      )
      parser.set_default("log_level", logging.INFO)
      parser.add_option(
          "--test",
          action="store_true",
          help="run self-test and exit (use 'eol.py -v --test' for verbose test output)",
      )
      parser.add_option(
          "-p",
          "--project-name",
          metavar="NAME",
          help="the name of this project (default is the base dir name)",
          default=basename(os.getcwd()),
      )
      parser.add_option(
          "-f",
          "--version-file",
          metavar="[TYPE:]PATH",
          action="append",
          dest="version_files",
          help="The path to the project file holding the version info. Can be "
          "specified multiple times if more than one file should be updated "
          "with new version info. If excluded, it will be guessed.",
      )
      parser.add_option(
          "-n",
          "--dry-run",
          action="store_true",
          help="Do a dry-run",
          default=False,
      )
      opts, args = parser.parse_args()
      log.setLevel(opts.log_level)
  
      cutarelease(
          opts.project_name, opts.version_files, dry_run=opts.dry_run
      )
  
imports: import sys
  import os
  from os.path import exists, basename, splitext
  import re
  import codecs
  import logging
  import optparse
  import json
label_desc: Use image node_id 13 for calling a global function with example usage: main(argv) without return types