| # |
| # Copyright (C) 2017 The Android Open Source Project |
| # |
| # 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 datetime |
| import timeit |
| |
| |
| class Timer(object): |
| def __init__(self): |
| self.start_time = None |
| self.end_time = None |
| self.duration = None |
| |
| def start(self): |
| self.start_time = timeit.default_timer() |
| |
| def finish(self): |
| self.end_time = timeit.default_timer() |
| |
| # Not interested in partial seconds at this scale. |
| seconds = int(self.end_time - self.start_time) |
| self.duration = datetime.timedelta(seconds=seconds) |
| |
| def __enter__(self): |
| self.start() |
| |
| def __exit__(self, _exc_type, _exc_value, _traceback): |
| self.finish() |