def is_authenticated(self):
        """Tests if an agent is authenticated to this session.

        return: (boolean) - true if valid authentication credentials
                exist, false otherwise
        compliance: mandatory - This method must be implemented.

        """
        if self._proxy is None:
            return False
        elif self._proxy.has_authentication():
            return self._proxy.get_authentication().is_valid()
        else:
            return False
def is_authenticated ( self ) : if self . _proxy is None : return False elif self . _proxy . has_authentication ( ) : return self . _proxy . get_authentication ( ) . is_valid ( ) else : return False
Tests if an agent is authenticated to this session.

        return: (boolean) - true if valid authentication credentials
                exist, false otherwise
        compliance: mandatory - This method must be implemented.