def _set_auth_arguments(self, basic_auth=True, token_auth=False):
        """Activate authentication arguments parsing"""

        group = self.parser.add_argument_group('authentication arguments')

        if basic_auth:
            group.add_argument('-u', '--backend-user', dest='user',
                               help="backend user")
            group.add_argument('-p', '--backend-password', dest='password',
                               help="backend password")
        if token_auth:
            group.add_argument('-t', '--api-token', dest='api_token',
                               help="backend authentication token / API key")
Activate authentication arguments parsing