(self)
return ''
Returns an error message if the operation failed for any reason.

    Failure as defined here means ended for any reason other than 'success'.
    This means that a successful cancelation will also return an error message.

    Returns:
      string, string will be empty if job did not error.
Returns an error message if the operation failed for any reason.
Returns an error message if the operation failed for any reason .
def error_message(self):
    """Returns an error message if the operation failed for any reason.

    Failure as defined here means ended for any reason other than 'success'.
    This means that a successful cancelation will also return an error message.

    Returns:
      string, string will be empty if job did not error.
    """
    error = google_v2_operations.get_error(self._op)
    if error:
      job_id = self.get_field('job-id')
      task_id = self.get_field('task-id')
      task_str = job_id if task_id is None else '{} (task: {})'.format(
          job_id, task_id)

      return 'Error in {} - code {}: {}'.format(task_str, error['code'],
                                                error['message'])

    return ''
def error_message ( self ) : error = google_v2_operations . get_error ( self . _op ) if error : job_id = self . get_field ( 'job-id' ) task_id = self . get_field ( 'task-id' ) task_str = job_id if task_id is None else '{} (task: {})' . format ( job_id , task_id ) return 'Error in {} - code {}: {}' . format ( task_str , error [ 'code' ] , error [ 'message' ] ) return ''