How to use the yamllint.APP_NAME function in yamllint

# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program.  If not, see .

from setuptools import find_packages, setup

from yamllint import (__author__, __license__,
                      APP_NAME, APP_VERSION, APP_DESCRIPTION)


setup(
    name=APP_NAME,
    version=APP_VERSION,
    author=__author__,
    description=APP_DESCRIPTION.split('\n')[0],
    long_description=APP_DESCRIPTION,
    license=__license__,
    keywords=['yaml', 'lint', 'linter', 'syntax', 'checker'],
    url='https://github.com/adrienverge/yamllint',
    python_requires='>=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*',
    classifiers=[
        'Development Status :: 5 - Production/Stable',
        'Environment :: Console',
        'Intended Audience :: Developers',
        'License :: OSI Approved :: GNU General Public License v3 (GPLv3)',
        'Programming Language :: Python :: 2',
        'Programming Language :: Python :: 2.7',
        'Programming Language :: Python :: 3',

config_group = parser.add_mutually_exclusive_group()
    config_group.add_argument('-c', '--config-file', dest='config_file',
                              action='store',
                              help='path to a custom configuration')
    config_group.add_argument('-d', '--config-data', dest='config_data',
                              action='store',
                              help='custom configuration (as YAML source)')
    parser.add_argument('-f', '--format',
                        choices=('parsable', 'standard'), default='standard',
                        help='format for parsing output')
    parser.add_argument('-s', '--strict',
                        action='store_true',
                        help='return non-zero exit code on warnings '
                             'as well as errors')
    parser.add_argument('-v', '--version', action='version',
                        version='%s %s' % (APP_NAME, APP_VERSION))

    # TODO: read from stdin when no filename?

    args = parser.parse_args(argv)

    # User-global config is supposed to be in ~/.config/yamllint/config
    if 'XDG_CONFIG_HOME' in os.environ:
        user_global_config = os.path.join(
            os.environ['XDG_CONFIG_HOME'], 'yamllint', 'config')
    else:
        user_global_config = os.path.expanduser('~/.config/yamllint/config')

    try:
        if args.config_data is not None:
            if args.config_data != '' and ':' not in args.config_data:
                args.config_data = 'extends: ' + args.config_data

help='path to a custom configuration')
    config_group.add_argument('-d', '--config-data', dest='config_data',
                              action='store',
                              help='custom configuration (as YAML source)')
    parser.add_argument('-f', '--format',
                        choices=('parsable', 'standard', 'colored', 'auto'),
                        default='auto', help='format for parsing output')
    parser.add_argument('-s', '--strict',
                        action='store_true',
                        help='return non-zero exit code on warnings '
                             'as well as errors')
    parser.add_argument('--no-warnings',
                        action='store_true',
                        help='output only error level problems')
    parser.add_argument('-v', '--version', action='version',
                        version='{} {}'.format(APP_NAME, APP_VERSION))

    args = parser.parse_args(argv)

    if 'YAMLLINT_CONFIG_FILE' in os.environ:
        user_global_config = os.path.expanduser(
            os.environ['YAMLLINT_CONFIG_FILE'])
    # User-global config is supposed to be in ~/.config/yamllint/config
    elif 'XDG_CONFIG_HOME' in os.environ:
        user_global_config = os.path.join(
            os.environ['XDG_CONFIG_HOME'], 'yamllint', 'config')
    else:
        user_global_config = os.path.expanduser('~/.config/yamllint/config')

    try:
        if args.config_data is not None:
            if args.config_data != '' and ':' not in args.config_data:

def run(argv=None):
    parser = argparse.ArgumentParser(prog=APP_NAME,
                                     description=APP_DESCRIPTION)
    files_group = parser.add_mutually_exclusive_group(required=True)
    files_group.add_argument('files', metavar='FILE_OR_DIR', nargs='*',
                             default=(),
                             help='files to check')
    files_group.add_argument('-', action='store_true', dest='stdin',
                             help='read from standard input')
    config_group = parser.add_mutually_exclusive_group()
    config_group.add_argument('-c', '--config-file', dest='config_file',
                              action='store',
                              help='path to a custom configuration')
    config_group.add_argument('-d', '--config-data', dest='config_data',
                              action='store',
                              help='custom configuration (as YAML source)')
    parser.add_argument('-f', '--format',
                        choices=('parsable', 'standard', 'colored', 'auto'),

help='path to a custom configuration')
    config_group.add_argument('-d', '--config-data', dest='config_data',
                              action='store',
                              help='custom configuration (as YAML source)')
    parser.add_argument('-f', '--format',
                        choices=('parsable', 'standard', 'colored', 'auto'),
                        default='auto', help='format for parsing output')
    parser.add_argument('-s', '--strict',
                        action='store_true',
                        help='return non-zero exit code on warnings '
                             'as well as errors')
    parser.add_argument('--no-warnings',
                        action='store_true',
                        help='output only error level problems')
    parser.add_argument('-v', '--version', action='version',
                        version='{} {}'.format(APP_NAME, APP_VERSION))

    args = parser.parse_args(argv)

    if 'YAMLLINT_CONFIG_FILE' in os.environ:
        user_global_config = os.path.expanduser(
            os.environ['YAMLLINT_CONFIG_FILE'])
    # User-global config is supposed to be in ~/.config/yamllint/config
    elif 'XDG_CONFIG_HOME' in os.environ:
        user_global_config = os.path.join(
            os.environ['XDG_CONFIG_HOME'], 'yamllint', 'config')
    else:
        user_global_config = os.path.expanduser('~/.config/yamllint/config')

    try:
        if args.config_data is not None:
            if args.config_data != '' and ':' not in args.config_data:

def run(argv=None):
    parser = argparse.ArgumentParser(prog=APP_NAME,
                                     description=APP_DESCRIPTION)
    files_group = parser.add_mutually_exclusive_group(required=True)
    files_group.add_argument('files', metavar='FILE_OR_DIR', nargs='*',
                             default=(),
                             help='files to check')
    files_group.add_argument('-', action='store_true', dest='stdin',
                             help='read from standard input')
    config_group = parser.add_mutually_exclusive_group()
    config_group.add_argument('-c', '--config-file', dest='config_file',
                              action='store',
                              help='path to a custom configuration')
    config_group.add_argument('-d', '--config-data', dest='config_data',
                              action='store',
                              help='custom configuration (as YAML source)')
    parser.add_argument('-f', '--format',
                        choices=('parsable', 'standard', 'colored', 'auto'),

def run(argv=None):
    parser = argparse.ArgumentParser(prog=APP_NAME,
                                     description=APP_DESCRIPTION)
    parser.add_argument('files', metavar='FILE_OR_DIR', nargs='+',
                        help='files to check')
    config_group = parser.add_mutually_exclusive_group()
    config_group.add_argument('-c', '--config-file', dest='config_file',
                              action='store',
                              help='path to a custom configuration')
    config_group.add_argument('-d', '--config-data', dest='config_data',
                              action='store',
                              help='custom configuration (as YAML source)')
    parser.add_argument('-f', '--format',
                        choices=('parsable', 'standard'), default='standard',
                        help='format for parsing output')
    parser.add_argument('-s', '--strict',
                        action='store_true',
                        help='return non-zero exit code on warnings '