def main():

    # Setup an argument parser
    parser = argparse.ArgumentParser(description='PyPI Publisher: CLI for publishing projects to PyPI')

    # add the various arguments
    parser.add_argument('command')
    parser.add_argument('-u', '--username', dest='username', help='username for pypi server')
    parser.add_argument('-p', '--password', dest='password', help='password for pypi server')
    parser.add_argument('-i', '--index-url', dest='index_url', help='repository url for pypi server')
    parser.add_argument('-s', '--server-name', dest='server_name', help='name for server')
    parser.add_argument('-v', '--verbose', action='store_true', dest='verbose', help='log out verbose information')
    parser.add_argument('-d', '--dry-run', action='store_true', dest='dry_run', help='dry run (just log out the commands')
    parser.add_argument('-t', '--create-tag', action='store_true', dest='create_tag', help='create git tag with the __version__ in setup.py automatically')

    # parse them out
    args = parser.parse_args()
    verbose = args.verbose
    command = args.command
    server_name = args.server_name
    password = args.password
    username = args.username
    index_url = args.index_url
    dry_run = args.dry_run
    create_tag = args.create_tag

    # suppress traceback unless in verbose mode
    if not verbose:
        sys.tracebacklimit = 0

    # if server name is null use a uuid
    if server_name is None:
        server_name = str(uuid.uuid4())

    # execute the given command
    if command.lower() == 'publish':
        # get the values from the on-disk pypirc file if needed
        update_pypirc(username, password, index_url, server_name, verbose=verbose, dry_run=dry_run)

        # lint the directory to make sure it is ok to publish
        clean = lint_dir()
        if clean:
            return sys.exit(publish(server_name, verbose=verbose, dry_run=dry_run, create_tag=create_tag))
        else:
            raise ValueError('Directory Linting Failed.')
    elif command.lower() == 'publish-sphinx':
        # TODO: impliment
        raise NotImplementedError
    elif command.lower() == 'list-servers':
        sys.exit(list_servers())
    elif command.lower() == 'verify':
        # TODO: implement
        raise NotImplementedError
    elif command.lower() == 'tag':
        # lint the directory
        clean = lint_dir()
        if clean:
            sys.exit(tag(server_name))
        else:
            raise ValueError('Directory Linting Failed.')
    elif command.lower() == 'release':
        # TODO: implement
        raise NotImplementedError
    else:
        raise NotImplementedError('Command %s not recognized' % (command, ))
Setup test cases
dataset/ETHPy150Open wdm0006/pypi-publisher/ppp/ppp.py/main--crossover with--dataset/ETHPy150Open tuturto/pyherc/src/pyherc/test/unit/test_spells.py/TestSpellEffects.setup