

def main():
    'A simple command-line interface for :py:func:`run_simple`.'
    import optparse
    from werkzeug.utils import import_string
    parser = optparse.OptionParser(usage='Usage: %prog [options] app_module:app_object')
    parser.add_option('-b', '--bind', dest='address', help='The hostname:port the app should listen on.')
    parser.add_option('-d', '--debug', dest='use_debugger', action='store_true', default=False, help="Use Werkzeug's debugger.")
    parser.add_option('-r', '--reload', dest='use_reloader', action='store_true', default=False, help='Reload Python process if modules change.')
    (options, args) = parser.parse_args()
    (hostname, port) = (None, None)
    if options.address:
        address = options.address.split(':')
        hostname = address[0]
        if (len(address) > 1):
            port = address[1]
    if (len(parser) != 1):
        sys.stdout.write('No application supplied, or too much. See --help\n')
        sys.exit(1)
    app = import_string(args[0])
    run_simple(hostname=(hostname or '127.0.0.1'), port=int((port or 5000)), application=app, use_reloader=options.use_reloader, use_debugger=options.use_debugger)

dataset/ETHPy150Open Eforcers/gae-flask-todo/lib/werkzeug/serving.py main/VarMisuse@173/292 `args`->`parser`