Annie Chen | 1a0be99 | 2017-06-02 14:22:17 -0700 | [diff] [blame] | 1 | #!/usr/bin/env python |
| 2 | # |
| 3 | # Copyright 2017 - The Android Open Source Project |
| 4 | # |
| 5 | # Licensed under the Apache License, Version 2.0 (the "License"); |
| 6 | # you may not use this file except in compliance with the License. |
| 7 | # You may obtain a copy of the License at |
| 8 | # |
| 9 | # http://www.apache.org/licenses/LICENSE-2.0 |
| 10 | # |
| 11 | # Unless required by applicable law or agreed to in writing, software |
| 12 | # distributed under the License is distributed on an "AS IS" BASIS, |
| 13 | # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 14 | # See the License for the specific language governing permissions and |
| 15 | # limitations under the License. |
Cameron Moberg | 0502229 | 2017-06-23 10:26:39 -0700 | [diff] [blame] | 16 | import re |
| 17 | |
| 18 | # Handles edge case of acronyms then another word, eg. CPUMetric -> CPU_Metric |
| 19 | # or lower camel case, cpuMetric -> cpu_Metric. |
| 20 | first_cap_re = re.compile('(.)([A-Z][a-z]+)') |
| 21 | # Handles CpuMetric -> Cpu_Metric |
| 22 | all_cap_re = re.compile('([a-z0-9])([A-Z])') |
Annie Chen | 1a0be99 | 2017-06-02 14:22:17 -0700 | [diff] [blame] | 23 | |
| 24 | |
| 25 | class Runner: |
| 26 | """Calls metrics and passes response to reporters. |
| 27 | |
| 28 | Attributes: |
| 29 | metric_list: a list of metric objects |
| 30 | reporter_list: a list of reporter objects |
| 31 | object and value is dictionary returned by that response |
| 32 | """ |
| 33 | |
| 34 | def __init__(self, metric_list, reporter_list): |
| 35 | self.metric_list = metric_list |
| 36 | self.reporter_list = reporter_list |
| 37 | |
| 38 | def run(self): |
| 39 | """Calls metrics and passes response to reporters.""" |
| 40 | raise NotImplementedError() |
| 41 | |
| 42 | |
| 43 | class InstantRunner(Runner): |
Cameron Moberg | 0502229 | 2017-06-23 10:26:39 -0700 | [diff] [blame] | 44 | def convert_to_snake(self, name): |
| 45 | """Converts a CamelCaseName to snake_case_name |
| 46 | |
| 47 | Args: |
| 48 | name: The string you want to convert. |
| 49 | Returns: |
| 50 | snake_case_format of name. |
| 51 | """ |
| 52 | temp_str = first_cap_re.sub(r'\1_\2', name) |
| 53 | return all_cap_re.sub(r'\1_\2', temp_str).lower() |
| 54 | |
Annie Chen | 1a0be99 | 2017-06-02 14:22:17 -0700 | [diff] [blame] | 55 | def run(self): |
| 56 | """Calls all metrics, passes responses to reporters.""" |
| 57 | responses = {} |
| 58 | for metric in self.metric_list: |
Cameron Moberg | 0502229 | 2017-06-23 10:26:39 -0700 | [diff] [blame] | 59 | # [:-7] removes the ending '_metric'. |
| 60 | key_name = self.convert_to_snake(metric.__class__.__name__)[:-7] |
| 61 | responses[key_name] = metric.gather_metric() |
Annie Chen | 1a0be99 | 2017-06-02 14:22:17 -0700 | [diff] [blame] | 62 | for reporter in self.reporter_list: |
| 63 | reporter.report(responses) |