How to use the virtualenv.ConfigOptionParser function in virtualenv

def test_cop_update_defaults_with_store_false():
    """store_false options need reverted logic"""

    class MyConfigOptionParser(virtualenv.ConfigOptionParser):
        def __init__(self, *args, **kwargs):
            self.config = virtualenv.ConfigParser.RawConfigParser()
            self.files = []
            optparse.OptionParser.__init__(self, *args, **kwargs)

        def get_environ_vars(self, prefix="VIRTUALENV_"):
            yield ("no_site_packages", "1")

    cop = MyConfigOptionParser()
    cop.add_option(
        "--no-site-packages",
        dest="system_site_packages",
        action="store_false",
        help="Don't give access to the global site-packages dir to the " "virtual environment (default)",
    )

def main():
    parser = ConfigOptionParser(
        version=virtualenv_version, usage="%prog [OPTIONS] DEST_DIR", formatter=UpdatingDefaultsHelpFormatter()
    )

    parser.add_option("-v", "--verbose", action="count", dest="verbose", default=0, help="Increase verbosity.")

    parser.add_option("-q", "--quiet", action="count", dest="quiet", default=0, help="Decrease verbosity.")

    parser.add_option(
        "-p",
        "--python",
        dest="python",
        metavar="PYTHON_EXE",
        help="The Python interpreter to use, e.g., --python=python3.5 will use the python3.5 "
        "interpreter to create the new environment.  The default is the interpreter that "
        "virtualenv was installed with (%s)" % sys.executable,
    )

def main():
    parser = ConfigOptionParser(
        version=virtualenv_version, usage="%prog [OPTIONS] DEST_DIR", formatter=UpdatingDefaultsHelpFormatter()
    )

    parser.add_option(
        "-v", "--verbose", action="count", dest="verbose", default=5 if DEBUG else 0, help="Increase verbosity."
    )

    parser.add_option("-q", "--quiet", action="count", dest="quiet", default=0, help="Decrease verbosity.")

    parser.add_option(
        "-p",
        "--python",
        dest="python",
        metavar="PYTHON_EXE",
        help="The Python interpreter to use, e.g., --python=python3.5 will use the python3.5 "
        "interpreter to create the new environment.  The default is the interpreter that "

def main():
    parser = ConfigOptionParser(
        version=virtualenv_version,
        usage="%prog [OPTIONS] DEST_DIR",
        formatter=UpdatingDefaultsHelpFormatter())

    parser.add_option(
        '-v', '--verbose',
        action='count',
        dest='verbose',
        default=0,
        help="Increase verbosity")

    parser.add_option(
        '-q', '--quiet',
        action='count',
        dest='quiet',
        default=0,

def main():
    parser = ConfigOptionParser(
        version=virtualenv_version,
        usage="%prog [OPTIONS] DEST_DIR",
        formatter=UpdatingDefaultsHelpFormatter())

    parser.add_option(
        '-v', '--verbose',
        action='count',
        dest='verbose',
        default=0,
        help="Increase verbosity")

    parser.add_option(
        '-q', '--quiet',
        action='count',
        dest='quiet',
        default=0,