| # -*- coding: utf-8 -*- |
| # Copyright 2019 The Chromium OS Authors. All rights reserved. |
| # Use of this source code is governed by a BSD-style license that can be |
| # found in the LICENSE file. |
| """This module defines some common utils for processing the test results.""" |
| |
| |
| |
| |
| class ProcessStep(object): |
| """A base class for define a processing step. |
| |
| It's not required we must derive a new processing step from this class. |
| It's only recommended when we required to change the `next_step` after we |
| creating the processing step coroutine. |
| But in generally, inheriting from this class can bring better readability. |
| """ |
| |
| def __init__(self, *, next_step=None): |
| """Constructor. |
| |
| Args: |
| next_step: The next coroutine in the whole processing pipeline.""" |
| self._next_step = next_step |
| |
| def next_step(self, new_step): |
| """A setter for property `next_step`.""" |
| self._next_step = new_step |
| |
| next_step = property(None, next_step) |
