code: def wrap(cls, app):
          
  
          host, port = cls.parse_args()
          ssl = cls._argument_parser.parse_args().ssl
          ssl_context = None
  
          if host:
              if ssl:
                  try:
                      import OpenSSL
                  except ImportError:
                      # OSX fix
                      sys.path.append(
                          '/System/Library/Frameworks/Python.framework/Versions/'
                          '{0}.{1}/Extras/lib/python/'
                          .format(sys.version_info.major, sys.version_info.minor)
                      )
  
                  try:
                      import OpenSSL
                  except ImportError:
                      # Linux fix
                      sys.path.append(
                          '/usr/lib/python{0}.{1}/dist-packages/'
                          .format(sys.version_info.major, sys.version_info.minor)
                      )
  
                  try:
                      import OpenSSL
                  except ImportError:
                      raise LiveAndLetDieError(
                          'Flask app could not be launched because the pyopenssl '
                          'library is not installed on your system!'
                      )
                  ssl_context = 'adhoc'
  
              app.run(host=host, port=port, ssl_context=ssl_context)
              sys.exit()
docs: Adds test live server capability to a Flask app module.
          
          :param app:
              A :class:`flask.Flask` app instance.