| # Copyright (c) 2013 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. |
| |
| """ |
| A 'global' repository for measurements. When something worth remembering, |
| (boot time, how long init takes on a test instrument) it gets saved here. |
| |
| This is a first pass of what this should look like. Feel free to improve it. |
| """ |
| |
| import time |
| |
| |
| class Measurement(object): |
| # pylint: disable=too-few-public-methods |
| """ |
| Holds all the bits about one measurement |
| """ |
| def __init__(self, name, value): |
| self.name = name |
| self.value = value |
| self.time = time.ctime() |
| |
| def __str__(self): |
| return "%s,%s" % (self.name, self.value) |
| |
| |
| class MeasurementList(object): |
| """ |
| Holds a list of Measurements |
| """ |
| _global_measurement_list = [] |
| |
| def __init__(self): |
| pass |
| |
| def append(self, name, value): |
| """ |
| @param name: The name of the parameter to save. |
| @param value: The value. |
| @return: None |
| """ |
| measurement = Measurement(name=name, value=value) |
| self._global_measurement_list.append(measurement) |
| |
| def delete_contents(self): |
| """ |
| Removes all previously saved measurements from this list. |
| @return: |
| """ |
| del self._global_measurement_list[:] |
| |
| def __str__(self): |
| str_list = [str(x) for x in self._global_measurement_list] |
| return "\n".join(str_list) |
| |
| # pylint: disable=invalid-name |
| TheMeasurementList = MeasurementList() |
