| # Copyright 2012 The Chromium Authors. All rights reserved. |
| # Use of this source code is governed by a BSD-style license that can be |
| # found in the LICENSE file. |
| |
| import argparse |
| import logging |
| import sys |
| |
| from telemetry import benchmark |
| from telemetry import story |
| from telemetry.core import discover |
| from telemetry.core import util |
| from telemetry.internal.browser import browser_options |
| from telemetry.internal.results import results_options |
| from telemetry.internal import story_runner |
| from telemetry.internal.util import binary_manager |
| from telemetry.page import legacy_page_test |
| from telemetry.util import matching |
| from telemetry.util import wpr_modes |
| from telemetry.web_perf import timeline_based_measurement |
| from telemetry.web_perf import timeline_based_page_test |
| |
| DEFAULT_LOG_FORMAT = ( |
| '(%(levelname)s) %(asctime)s %(module)s.%(funcName)s:%(lineno)d ' |
| '%(message)s') |
| |
| |
| class RecorderPageTest(legacy_page_test.LegacyPageTest): |
| def __init__(self): |
| super(RecorderPageTest, self).__init__() |
| self.page_test = None |
| |
| def CustomizeBrowserOptions(self, options): |
| if self.page_test: |
| self.page_test.CustomizeBrowserOptions(options) |
| |
| def WillStartBrowser(self, browser): |
| if self.page_test: |
| self.page_test.WillStartBrowser(browser) |
| |
| def DidStartBrowser(self, browser): |
| if self.page_test: |
| self.page_test.DidStartBrowser(browser) |
| |
| def WillNavigateToPage(self, page, tab): |
| """Override to ensure all resources are fetched from network.""" |
| tab.ClearCache(force=False) |
| if self.page_test: |
| self.page_test.WillNavigateToPage(page, tab) |
| |
| def DidNavigateToPage(self, page, tab): |
| if self.page_test: |
| self.page_test.DidNavigateToPage(page, tab) |
| tab.WaitForDocumentReadyStateToBeComplete() |
| util.WaitFor(tab.HasReachedQuiescence, 30) |
| |
| def CleanUpAfterPage(self, page, tab): |
| if self.page_test: |
| self.page_test.CleanUpAfterPage(page, tab) |
| |
| def ValidateAndMeasurePage(self, page, tab, results): |
| if self.page_test: |
| self.page_test.ValidateAndMeasurePage(page, tab, results) |
| |
| def RunNavigateSteps(self, page, tab): |
| if self.page_test: |
| self.page_test.RunNavigateSteps(page, tab) |
| else: |
| super(RecorderPageTest, self).RunNavigateSteps(page, tab) |
| |
| |
| def _GetSubclasses(base_dir, cls): |
| """Returns all subclasses of |cls| in |base_dir|. |
| |
| Args: |
| cls: a class |
| |
| Returns: |
| dict of {underscored_class_name: benchmark class} |
| """ |
| return discover.DiscoverClasses(base_dir, base_dir, cls, |
| index_by_class_name=True) |
| |
| |
| def _MaybeGetInstanceOfClass(target, base_dir, cls): |
| if isinstance(target, cls): |
| return target |
| classes = _GetSubclasses(base_dir, cls) |
| return classes[target]() if target in classes else None |
| |
| |
| def _PrintAllImpl(all_items, item_name, output_stream): |
| output_stream.write('Available %s\' names with descriptions:\n' % item_name) |
| keys = sorted(all_items.keys()) |
| key_description = [(k, all_items[k].Description()) for k in keys] |
| _PrintPairs(key_description, output_stream) |
| output_stream.write('\n') |
| |
| |
| def _PrintAllBenchmarks(base_dir, output_stream): |
| # TODO: reuse the logic of finding supported benchmarks in benchmark_runner.py |
| # so this only prints out benchmarks that are supported by the recording |
| # platform. |
| _PrintAllImpl(_GetSubclasses(base_dir, benchmark.Benchmark), 'benchmarks', |
| output_stream) |
| |
| |
| def _PrintAllStories(base_dir, output_stream): |
| # TODO: actually print all stories once record_wpr support general |
| # stories recording. |
| _PrintAllImpl(_GetSubclasses(base_dir, story.StorySet), 'story sets', |
| output_stream) |
| |
| |
| def _PrintPairs(pairs, output_stream, prefix=''): |
| """Prints a list of string pairs with alignment.""" |
| first_column_length = max(len(a) for a, _ in pairs) |
| format_string = '%s%%-%ds %%s\n' % (prefix, first_column_length) |
| for a, b in pairs: |
| output_stream.write(format_string % (a, b.strip())) |
| |
| |
| class WprRecorder(object): |
| |
| def __init__(self, base_dir, target, args=None): |
| self._base_dir = base_dir |
| self._record_page_test = RecorderPageTest() |
| self._options = self._CreateOptions() |
| |
| self._benchmark = _MaybeGetInstanceOfClass(target, base_dir, |
| benchmark.Benchmark) |
| self._parser = self._options.CreateParser(usage='See %prog --help') |
| self._AddCommandLineArgs() |
| self._ParseArgs(args) |
| self._ProcessCommandLineArgs() |
| if self._benchmark is not None: |
| test = self._benchmark.CreatePageTest(self.options) |
| if isinstance(test, timeline_based_measurement.TimelineBasedMeasurement): |
| test = timeline_based_page_test.TimelineBasedPageTest(test) |
| # This must be called after the command line args are added. |
| self._record_page_test.page_test = test |
| |
| self._page_set_base_dir = ( |
| self._options.page_set_base_dir if self._options.page_set_base_dir |
| else self._base_dir) |
| self._story_set = self._GetStorySet(target) |
| |
| @property |
| def options(self): |
| return self._options |
| |
| def _CreateOptions(self): |
| options = browser_options.BrowserFinderOptions() |
| options.browser_options.wpr_mode = wpr_modes.WPR_RECORD |
| return options |
| |
| def CreateResults(self): |
| if self._benchmark is not None: |
| benchmark_metadata = self._benchmark.GetMetadata() |
| else: |
| benchmark_metadata = benchmark.BenchmarkMetadata('record_wpr') |
| |
| return results_options.CreateResults(benchmark_metadata, self._options) |
| |
| def _AddCommandLineArgs(self): |
| self._parser.add_option('--page-set-base-dir', action='store', |
| type='string') |
| story_runner.AddCommandLineArgs(self._parser) |
| if self._benchmark is not None: |
| self._benchmark.AddCommandLineArgs(self._parser) |
| self._benchmark.SetArgumentDefaults(self._parser) |
| self._parser.add_option('--upload', action='store_true') |
| self._SetArgumentDefaults() |
| |
| def _SetArgumentDefaults(self): |
| self._parser.set_defaults(**{'output_formats': ['none']}) |
| |
| def _ParseArgs(self, args=None): |
| args_to_parse = sys.argv[1:] if args is None else args |
| self._parser.parse_args(args_to_parse) |
| |
| def _ProcessCommandLineArgs(self): |
| story_runner.ProcessCommandLineArgs(self._parser, self._options) |
| |
| if self._options.use_live_sites: |
| self._parser.error("Can't --use-live-sites while recording") |
| |
| if self._benchmark is not None: |
| self._benchmark.ProcessCommandLineArgs(self._parser, self._options) |
| |
| def _GetStorySet(self, target): |
| if self._benchmark is not None: |
| return self._benchmark.CreateStorySet(self._options) |
| story_set = _MaybeGetInstanceOfClass(target, self._page_set_base_dir, |
| story.StorySet) |
| if story_set is None: |
| sys.stderr.write('Target %s is neither benchmark nor story set.\n' |
| % target) |
| if not self._HintMostLikelyBenchmarksStories(target): |
| sys.stderr.write( |
| 'Found no similar benchmark or story. Please use ' |
| '--list-benchmarks or --list-stories to list candidates.\n') |
| self._parser.print_usage() |
| sys.exit(1) |
| return story_set |
| |
| def _HintMostLikelyBenchmarksStories(self, target): |
| def _Impl(all_items, category_name): |
| candidates = matching.GetMostLikelyMatchedObject( |
| all_items.iteritems(), target, name_func=lambda kv: kv[1].Name()) |
| if candidates: |
| sys.stderr.write('\nDo you mean any of those %s below?\n' % |
| category_name) |
| _PrintPairs([(k, v.Description()) for k, v in candidates], sys.stderr) |
| return True |
| return False |
| |
| has_benchmark_hint = _Impl( |
| _GetSubclasses(self._base_dir, benchmark.Benchmark), 'benchmarks') |
| has_story_hint = _Impl( |
| _GetSubclasses(self._base_dir, story.StorySet), 'stories') |
| return has_benchmark_hint or has_story_hint |
| |
| def Record(self, results): |
| assert self._story_set.wpr_archive_info, ( |
| 'Pageset archive_data_file path must be specified.') |
| self._story_set.wpr_archive_info.AddNewTemporaryRecording() |
| self._record_page_test.CustomizeBrowserOptions(self._options) |
| story_runner.Run(self._record_page_test, self._story_set, |
| self._options, results) |
| |
| def HandleResults(self, results, upload_to_cloud_storage): |
| if results.failures or results.skipped_values: |
| logging.warning('Some pages failed and/or were skipped. The recording ' |
| 'has not been updated for these pages.') |
| results.PrintSummary() |
| self._story_set.wpr_archive_info.AddRecordedStories( |
| results.pages_that_succeeded, |
| upload_to_cloud_storage) |
| |
| |
| def Main(environment, **log_config_kwargs): |
| # the log level is set in browser_options |
| log_config_kwargs.pop('level', None) |
| log_config_kwargs.setdefault('format', DEFAULT_LOG_FORMAT) |
| logging.basicConfig(**log_config_kwargs) |
| |
| parser = argparse.ArgumentParser( |
| usage='Record a benchmark or a story (page set).') |
| parser.add_argument( |
| 'benchmark', |
| help=('benchmark name. This argument is optional. If both benchmark name ' |
| 'and story name are specified, this takes precedence as the ' |
| 'target of the recording.'), |
| nargs='?') |
| parser.add_argument('--story', help='story (page set) name') |
| parser.add_argument('--list-stories', dest='list_stories', |
| action='store_true', help='list all story names.') |
| parser.add_argument('--list-benchmarks', dest='list_benchmarks', |
| action='store_true', help='list all benchmark names.') |
| parser.add_argument('--upload', action='store_true', |
| help='upload to cloud storage.') |
| args, extra_args = parser.parse_known_args() |
| |
| if args.list_benchmarks or args.list_stories: |
| if args.list_benchmarks: |
| _PrintAllBenchmarks(environment.top_level_dir, sys.stderr) |
| if args.list_stories: |
| _PrintAllStories(environment.top_level_dir, sys.stderr) |
| return 0 |
| |
| target = args.benchmark or args.story |
| |
| if not target: |
| sys.stderr.write('Please specify target (benchmark or story). Please refer ' |
| 'usage below\n\n') |
| parser.print_help() |
| return 0 |
| |
| binary_manager.InitDependencyManager(environment.client_configs) |
| |
| # TODO(nednguyen): update WprRecorder so that it handles the difference |
| # between recording a benchmark vs recording a story better based on |
| # the distinction between args.benchmark & args.story |
| wpr_recorder = WprRecorder(environment.top_level_dir, target, extra_args) |
| results = wpr_recorder.CreateResults() |
| wpr_recorder.Record(results) |
| wpr_recorder.HandleResults(results, args.upload) |
| return min(255, len(results.failures)) |
