| #!/usr/bin/env python |
| # |
| # Copyright 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 re |
| |
| # Handles edge case of acronyms then another word, eg. CPUMetric -> CPU_Metric |
| # or lower camel case, cpuMetric -> cpu_Metric. |
| first_cap_re = re.compile('(.)([A-Z][a-z]+)') |
| # Handles CpuMetric -> Cpu_Metric |
| all_cap_re = re.compile('([a-z0-9])([A-Z])') |
| |
| |
| class Runner: |
| """Calls metrics and passes response to reporters. |
| |
| Attributes: |
| metric_list: a list of metric objects |
| reporter_list: a list of reporter objects |
| object and value is dictionary returned by that response |
| """ |
| |
| def __init__(self, metric_list, reporter_list): |
| self.metric_list = metric_list |
| self.reporter_list = reporter_list |
| |
| def run(self): |
| """Calls metrics and passes response to reporters.""" |
| raise NotImplementedError() |
| |
| |
| class InstantRunner(Runner): |
| def convert_to_snake(self, name): |
| """Converts a CamelCaseName to snake_case_name |
| |
| Args: |
| name: The string you want to convert. |
| Returns: |
| snake_case_format of name. |
| """ |
| temp_str = first_cap_re.sub(r'\1_\2', name) |
| return all_cap_re.sub(r'\1_\2', temp_str).lower() |
| |
| def run(self): |
| """Calls all metrics, passes responses to reporters.""" |
| responses = {} |
| for metric in self.metric_list: |
| # [:-7] removes the ending '_metric'. |
| key_name = self.convert_to_snake(metric.__class__.__name__)[:-7] |
| responses[key_name] = metric.gather_metric() |
| for reporter in self.reporter_list: |
| reporter.report(responses) |