| # -*- coding: utf-8 -*- |
| # Copyright 2016 Étienne Bersac |
| # Copyright 2016 Julien Danjou |
| # Copyright 2016 Joshua Harlow |
| # Copyright 2013-2014 Ray Holder |
| # |
| # Licensed under the Apache License, Version 2.0 (the "License"); |
| # you may not use this file except in compliance with the License. |
| # You may obtain a copy of the License at |
| # |
| # http://www.apache.org/licenses/LICENSE-2.0 |
| # |
| # Unless required by applicable law or agreed to in writing, software |
| # distributed under the License is distributed on an "AS IS" BASIS, |
| # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| # See the License for the specific language governing permissions and |
| # limitations under the License. |
| |
| import time |
| |
| #: Default sleep strategy. |
| sleep = time.sleep |
| |
| |
| class sleep_using_event(object): |
| """Sleep strategy that waits on an event to be set.""" |
| |
| def __init__(self, event): |
| self.event = event |
| |
| def __call__(self, timeout): |
| # NOTE(harlowja): this may *not* actually wait for timeout |
| # seconds if the event is set (ie this may eject out early). |
| self.event.wait(timeout=timeout) |
