|  | #!/usr/bin/python | 
|  |  | 
|  | """ | 
|  | Copyright 2014 Google Inc. | 
|  |  | 
|  | Use of this source code is governed by a BSD-style license that can be | 
|  | found in the LICENSE file. | 
|  |  | 
|  | Compare GM results for two configs, across all builders. | 
|  | """ | 
|  |  | 
|  | # System-level imports | 
|  | import argparse | 
|  | import logging | 
|  | import time | 
|  |  | 
|  | # Must fix up PYTHONPATH before importing from within Skia | 
|  | import fix_pythonpath  # pylint: disable=W0611 | 
|  |  | 
|  | # Imports from within Skia | 
|  | from py.utils import url_utils | 
|  | import gm_json | 
|  | import imagediffdb | 
|  | import imagepair | 
|  | import imagepairset | 
|  | import results | 
|  |  | 
|  |  | 
|  | class ConfigComparisons(results.BaseComparisons): | 
|  | """Loads results from two different configurations into an ImagePairSet. | 
|  |  | 
|  | Loads actual and expected results from all builders, except for those skipped | 
|  | by _ignore_builder(). | 
|  | """ | 
|  |  | 
|  | def __init__(self, configs, actuals_root=results.DEFAULT_ACTUALS_DIR, | 
|  | generated_images_root=results.DEFAULT_GENERATED_IMAGES_ROOT, | 
|  | diff_base_url=None, builder_regex_list=None): | 
|  | """ | 
|  | Args: | 
|  | configs: (string, string) tuple; pair of configs to compare | 
|  | actuals_root: root directory containing all actual-results.json files | 
|  | generated_images_root: directory within which to create all pixel diffs; | 
|  | if this directory does not yet exist, it will be created | 
|  | diff_base_url: base URL within which the client should look for diff | 
|  | images; if not specified, defaults to a "file:///" URL representation | 
|  | of generated_images_root | 
|  | builder_regex_list: List of regular expressions specifying which builders | 
|  | we will process. If None, process all builders. | 
|  | """ | 
|  | time_start = int(time.time()) | 
|  | if builder_regex_list != None: | 
|  | self.set_match_builders_pattern_list(builder_regex_list) | 
|  | self._image_diff_db = imagediffdb.ImageDiffDB(generated_images_root) | 
|  | self._diff_base_url = ( | 
|  | diff_base_url or | 
|  | url_utils.create_filepath_url(generated_images_root)) | 
|  | self._actuals_root = actuals_root | 
|  | self._load_config_pairs(configs) | 
|  | self._timestamp = int(time.time()) | 
|  | logging.info('Results complete; took %d seconds.' % | 
|  | (self._timestamp - time_start)) | 
|  |  | 
|  | def _load_config_pairs(self, configs): | 
|  | """Loads the results of all tests, across all builders (based on the | 
|  | files within self._actuals_root), compares them across two configs, | 
|  | and stores the summary in self._results. | 
|  |  | 
|  | Args: | 
|  | configs: tuple of strings; pair of configs to compare | 
|  | """ | 
|  | logging.info('Reading actual-results JSON files from %s...' % | 
|  | self._actuals_root) | 
|  | actual_builder_dicts = self._read_builder_dicts_from_root( | 
|  | self._actuals_root) | 
|  | configA, configB = configs | 
|  | logging.info('Comparing configs %s and %s...' % (configA, configB)) | 
|  |  | 
|  | all_image_pairs = imagepairset.ImagePairSet( | 
|  | descriptions=configs, | 
|  | diff_base_url=self._diff_base_url) | 
|  | failing_image_pairs = imagepairset.ImagePairSet( | 
|  | descriptions=configs, | 
|  | diff_base_url=self._diff_base_url) | 
|  |  | 
|  | all_image_pairs.ensure_extra_column_values_in_summary( | 
|  | column_id=results.KEY__EXTRACOLUMNS__RESULT_TYPE, values=[ | 
|  | results.KEY__RESULT_TYPE__FAILED, | 
|  | results.KEY__RESULT_TYPE__NOCOMPARISON, | 
|  | results.KEY__RESULT_TYPE__SUCCEEDED, | 
|  | ]) | 
|  | failing_image_pairs.ensure_extra_column_values_in_summary( | 
|  | column_id=results.KEY__EXTRACOLUMNS__RESULT_TYPE, values=[ | 
|  | results.KEY__RESULT_TYPE__FAILED, | 
|  | results.KEY__RESULT_TYPE__NOCOMPARISON, | 
|  | ]) | 
|  |  | 
|  | builders = sorted(actual_builder_dicts.keys()) | 
|  | num_builders = len(builders) | 
|  | builder_num = 0 | 
|  | for builder in builders: | 
|  | builder_num += 1 | 
|  | logging.info('Generating pixel diffs for builder #%d of %d, "%s"...' % | 
|  | (builder_num, num_builders, builder)) | 
|  | actual_results_for_this_builder = ( | 
|  | actual_builder_dicts[builder][gm_json.JSONKEY_ACTUALRESULTS]) | 
|  | for result_type in sorted(actual_results_for_this_builder.keys()): | 
|  | results_of_this_type = actual_results_for_this_builder[result_type] | 
|  | if not results_of_this_type: | 
|  | continue | 
|  |  | 
|  | tests_found = set() | 
|  | for image_name in sorted(results_of_this_type.keys()): | 
|  | (test, _) = results.IMAGE_FILENAME_RE.match(image_name).groups() | 
|  | tests_found.add(test) | 
|  |  | 
|  | for test in tests_found: | 
|  | # Get image_relative_url (or None) for each of configA, configB | 
|  | image_name_A = results.IMAGE_FILENAME_FORMATTER % (test, configA) | 
|  | configA_image_relative_url = ConfigComparisons._create_relative_url( | 
|  | hashtype_and_digest=results_of_this_type.get(image_name_A), | 
|  | test_name=test) | 
|  | image_name_B = results.IMAGE_FILENAME_FORMATTER % (test, configB) | 
|  | configB_image_relative_url = ConfigComparisons._create_relative_url( | 
|  | hashtype_and_digest=results_of_this_type.get(image_name_B), | 
|  | test_name=test) | 
|  |  | 
|  | # If we have images for at least one of these two configs, | 
|  | # add them to our list. | 
|  | if configA_image_relative_url or configB_image_relative_url: | 
|  | if configA_image_relative_url == configB_image_relative_url: | 
|  | result_type = results.KEY__RESULT_TYPE__SUCCEEDED | 
|  | elif not configA_image_relative_url: | 
|  | result_type = results.KEY__RESULT_TYPE__NOCOMPARISON | 
|  | elif not configB_image_relative_url: | 
|  | result_type = results.KEY__RESULT_TYPE__NOCOMPARISON | 
|  | else: | 
|  | result_type = results.KEY__RESULT_TYPE__FAILED | 
|  |  | 
|  | extra_columns_dict = { | 
|  | results.KEY__EXTRACOLUMNS__RESULT_TYPE: result_type, | 
|  | results.KEY__EXTRACOLUMNS__BUILDER: builder, | 
|  | results.KEY__EXTRACOLUMNS__TEST: test, | 
|  | # TODO(epoger): Right now, the client UI crashes if it receives | 
|  | # results that do not include a 'config' column. | 
|  | # Until we fix that, keep the client happy. | 
|  | results.KEY__EXTRACOLUMNS__CONFIG: 'TODO', | 
|  | } | 
|  |  | 
|  | try: | 
|  | image_pair = imagepair.ImagePair( | 
|  | image_diff_db=self._image_diff_db, | 
|  | base_url=gm_json.GM_ACTUALS_ROOT_HTTP_URL, | 
|  | imageA_relative_url=configA_image_relative_url, | 
|  | imageB_relative_url=configB_image_relative_url, | 
|  | extra_columns=extra_columns_dict) | 
|  | all_image_pairs.add_image_pair(image_pair) | 
|  | if result_type != results.KEY__RESULT_TYPE__SUCCEEDED: | 
|  | failing_image_pairs.add_image_pair(image_pair) | 
|  | except (KeyError, TypeError): | 
|  | logging.exception( | 
|  | 'got exception while creating ImagePair for test ' | 
|  | '"%s", builder "%s"' % (test, builder)) | 
|  |  | 
|  | # pylint: disable=W0201 | 
|  | self._results = { | 
|  | results.KEY__HEADER__RESULTS_ALL: all_image_pairs.as_dict(), | 
|  | results.KEY__HEADER__RESULTS_FAILURES: failing_image_pairs.as_dict(), | 
|  | } | 
|  |  | 
|  |  | 
|  | def main(): | 
|  | logging.basicConfig(format='%(asctime)s %(levelname)s %(message)s', | 
|  | datefmt='%m/%d/%Y %H:%M:%S', | 
|  | level=logging.INFO) | 
|  | parser = argparse.ArgumentParser() | 
|  | parser.add_argument( | 
|  | '--actuals', default=results.DEFAULT_ACTUALS_DIR, | 
|  | help='Directory containing all actual-result JSON files; defaults to ' | 
|  | '\'%(default)s\' .') | 
|  | parser.add_argument( | 
|  | 'config', nargs=2, | 
|  | help='Two configurations to compare (8888, gpu, etc.).') | 
|  | parser.add_argument( | 
|  | '--outfile', required=True, | 
|  | help='File to write result summary into, in JSON format.') | 
|  | parser.add_argument( | 
|  | '--results', default=results.KEY__HEADER__RESULTS_FAILURES, | 
|  | help='Which result types to include. Defaults to \'%(default)s\'; ' | 
|  | 'must be one of ' + | 
|  | str([results.KEY__HEADER__RESULTS_FAILURES, | 
|  | results.KEY__HEADER__RESULTS_ALL])) | 
|  | parser.add_argument( | 
|  | '--workdir', default=results.DEFAULT_GENERATED_IMAGES_ROOT, | 
|  | help='Directory within which to download images and generate diffs; ' | 
|  | 'defaults to \'%(default)s\' .') | 
|  | args = parser.parse_args() | 
|  | results_obj = ConfigComparisons(configs=args.config, | 
|  | actuals_root=args.actuals, | 
|  | generated_images_root=args.workdir) | 
|  | gm_json.WriteToFile( | 
|  | results_obj.get_packaged_results_of_type(results_type=args.results), | 
|  | args.outfile) | 
|  |  | 
|  |  | 
|  | if __name__ == '__main__': | 
|  | main() |