| # Copyright (C) 2010 Google Inc. All rights reserved. |
| # |
| # Redistribution and use in source and binary forms, with or without |
| # modification, are permitted provided that the following conditions are |
| # met: |
| # |
| # * Redistributions of source code must retain the above copyright |
| # notice, this list of conditions and the following disclaimer. |
| # * Redistributions in binary form must reproduce the above |
| # copyright notice, this list of conditions and the following disclaimer |
| # in the documentation and/or other materials provided with the |
| # distribution. |
| # * Neither the name of Google Inc. nor the names of its |
| # contributors may be used to endorse or promote products derived from |
| # this software without specific prior written permission. |
| # |
| # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| # A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| # OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| |
| import json |
| import logging |
| import subprocess |
| import sys |
| import time |
| import urllib2 |
| import xml.dom.minidom |
| |
| from webkitpy.common.checkout.scm.detection import SCMDetector |
| from webkitpy.common.net.file_uploader import FileUploader |
| |
| # FIXME: This is the left-overs from when we used to generate JSON here. |
| # What's still used by webkitpy is just a group of functions used by a |
| # hodge-podge of different classes. Those functions should be move to where they are |
| # used and this file should just go away entirely. |
| # |
| # Unfortunately, a big chunk of this file is used by |
| # chromium/src/build/android/pylib/utils/flakiness_dashboard_results_uploader.py |
| # so we can't delete it until that code is migrated over. |
| # See crbug.com/242206 |
| |
| _log = logging.getLogger(__name__) |
| |
| _JSON_PREFIX = "ADD_RESULTS(" |
| _JSON_SUFFIX = ");" |
| |
| |
| def has_json_wrapper(string): |
| return string.startswith(_JSON_PREFIX) and string.endswith(_JSON_SUFFIX) |
| |
| |
| def strip_json_wrapper(json_content): |
| # FIXME: Kill this code once the server returns json instead of jsonp. |
| if has_json_wrapper(json_content): |
| return json_content[len(_JSON_PREFIX):len(json_content) - len(_JSON_SUFFIX)] |
| return json_content |
| |
| |
| def load_json(filesystem, file_path): |
| content = filesystem.read_text_file(file_path) |
| content = strip_json_wrapper(content) |
| return json.loads(content) |
| |
| |
| def write_json(filesystem, json_object, file_path, callback=None): |
| # Specify separators in order to get compact encoding. |
| json_string = json.dumps(json_object, separators=(',', ':')) |
| if callback: |
| json_string = callback + "(" + json_string + ");" |
| filesystem.write_text_file(file_path, json_string) |
| |
| |
| def convert_trie_to_flat_paths(trie, prefix=None): |
| """Converts the directory structure in the given trie to flat paths, prepending a prefix to each.""" |
| result = {} |
| for name, data in trie.iteritems(): |
| if prefix: |
| name = prefix + "/" + name |
| |
| if len(data) and not "results" in data: |
| result.update(convert_trie_to_flat_paths(data, name)) |
| else: |
| result[name] = data |
| |
| return result |
| |
| |
| def add_path_to_trie(path, value, trie): |
| """Inserts a single flat directory path and associated value into a directory trie structure.""" |
| if not "/" in path: |
| trie[path] = value |
| return |
| |
| directory, slash, rest = path.partition("/") |
| if not directory in trie: |
| trie[directory] = {} |
| add_path_to_trie(rest, value, trie[directory]) |
| |
| def test_timings_trie(port, individual_test_timings): |
| """Breaks a test name into chunks by directory and puts the test time as a value in the lowest part, e.g. |
| foo/bar/baz.html: 1ms |
| foo/bar/baz1.html: 3ms |
| |
| becomes |
| foo: { |
| bar: { |
| baz.html: 1, |
| baz1.html: 3 |
| } |
| } |
| """ |
| trie = {} |
| for test_result in individual_test_timings: |
| test = test_result.test_name |
| |
| add_path_to_trie(test, int(1000 * test_result.test_run_time), trie) |
| |
| return trie |
| |
| # FIXME: We already have a TestResult class in test_results.py |
| class TestResult(object): |
| """A simple class that represents a single test result.""" |
| |
| # Test modifier constants. |
| (NONE, FAILS, FLAKY, DISABLED) = range(4) |
| |
| def __init__(self, test, failed=False, elapsed_time=0): |
| self.test_name = test |
| self.failed = failed |
| self.test_run_time = elapsed_time |
| |
| test_name = test |
| try: |
| test_name = test.split('.')[1] |
| except IndexError: |
| _log.warn("Invalid test name: %s.", test) |
| pass |
| |
| if test_name.startswith('FAILS_'): |
| self.modifier = self.FAILS |
| elif test_name.startswith('FLAKY_'): |
| self.modifier = self.FLAKY |
| elif test_name.startswith('DISABLED_'): |
| self.modifier = self.DISABLED |
| else: |
| self.modifier = self.NONE |
| |
| def fixable(self): |
| return self.failed or self.modifier == self.DISABLED |
| |
| |
| class JSONResultsGeneratorBase(object): |
| """A JSON results generator for generic tests.""" |
| |
| MAX_NUMBER_OF_BUILD_RESULTS_TO_LOG = 750 |
| # Min time (seconds) that will be added to the JSON. |
| MIN_TIME = 1 |
| |
| # Note that in non-chromium tests those chars are used to indicate |
| # test modifiers (FAILS, FLAKY, etc) but not actual test results. |
| PASS_RESULT = "P" |
| SKIP_RESULT = "X" |
| FAIL_RESULT = "F" |
| FLAKY_RESULT = "L" |
| NO_DATA_RESULT = "N" |
| |
| MODIFIER_TO_CHAR = {TestResult.NONE: PASS_RESULT, |
| TestResult.DISABLED: SKIP_RESULT, |
| TestResult.FAILS: FAIL_RESULT, |
| TestResult.FLAKY: FLAKY_RESULT} |
| |
| VERSION = 4 |
| VERSION_KEY = "version" |
| RESULTS = "results" |
| TIMES = "times" |
| BUILD_NUMBERS = "buildNumbers" |
| TIME = "secondsSinceEpoch" |
| TESTS = "tests" |
| |
| FIXABLE_COUNT = "fixableCount" |
| FIXABLE = "fixableCounts" |
| ALL_FIXABLE_COUNT = "allFixableCount" |
| |
| RESULTS_FILENAME = "results.json" |
| TIMES_MS_FILENAME = "times_ms.json" |
| INCREMENTAL_RESULTS_FILENAME = "incremental_results.json" |
| |
| URL_FOR_TEST_LIST_JSON = "http://%s/testfile?builder=%s&name=%s&testlistjson=1&testtype=%s&master=%s" |
| |
| # FIXME: Remove generate_incremental_results once the reference to it in |
| # http://src.chromium.org/viewvc/chrome/trunk/tools/build/scripts/slave/gtest_slave_utils.py |
| # has been removed. |
| def __init__(self, port, builder_name, build_name, build_number, |
| results_file_base_path, builder_base_url, |
| test_results_map, svn_repositories=None, |
| test_results_server=None, |
| test_type="", |
| master_name="", |
| generate_incremental_results=None): |
| """Modifies the results.json file. Grabs it off the archive directory |
| if it is not found locally. |
| |
| Args |
| port: port-specific wrapper |
| builder_name: the builder name (e.g. Webkit). |
| build_name: the build name (e.g. webkit-rel). |
| build_number: the build number. |
| results_file_base_path: Absolute path to the directory containing the |
| results json file. |
| builder_base_url: the URL where we have the archived test results. |
| If this is None no archived results will be retrieved. |
| test_results_map: A dictionary that maps test_name to TestResult. |
| svn_repositories: A (json_field_name, svn_path) pair for SVN |
| repositories that tests rely on. The SVN revision will be |
| included in the JSON with the given json_field_name. |
| test_results_server: server that hosts test results json. |
| test_type: test type string (e.g. 'layout-tests'). |
| master_name: the name of the buildbot master. |
| """ |
| self._port = port |
| self._filesystem = port._filesystem |
| self._executive = port._executive |
| self._builder_name = builder_name |
| self._build_name = build_name |
| self._build_number = build_number |
| self._builder_base_url = builder_base_url |
| self._results_directory = results_file_base_path |
| |
| self._test_results_map = test_results_map |
| self._test_results = test_results_map.values() |
| |
| self._svn_repositories = svn_repositories |
| if not self._svn_repositories: |
| self._svn_repositories = {} |
| |
| self._test_results_server = test_results_server |
| self._test_type = test_type |
| self._master_name = master_name |
| |
| self._archived_results = None |
| |
| def generate_json_output(self): |
| json_object = self.get_json() |
| if json_object: |
| file_path = self._filesystem.join(self._results_directory, self.INCREMENTAL_RESULTS_FILENAME) |
| write_json(self._filesystem, json_object, file_path) |
| |
| def generate_times_ms_file(self): |
| # FIXME: rename to generate_times_ms_file. This needs to be coordinated with |
| # changing the calls to this on the chromium build slaves. |
| times = test_timings_trie(self._port, self._test_results_map.values()) |
| file_path = self._filesystem.join(self._results_directory, self.TIMES_MS_FILENAME) |
| write_json(self._filesystem, times, file_path) |
| |
| def get_json(self): |
| """Gets the results for the results.json file.""" |
| results_json = {} |
| |
| if not results_json: |
| results_json, error = self._get_archived_json_results() |
| if error: |
| # If there was an error don't write a results.json |
| # file at all as it would lose all the information on the |
| # bot. |
| _log.error("Archive directory is inaccessible. Not " |
| "modifying or clobbering the results.json " |
| "file: " + str(error)) |
| return None |
| |
| builder_name = self._builder_name |
| if results_json and builder_name not in results_json: |
| _log.debug("Builder name (%s) is not in the results.json file." |
| % builder_name) |
| |
| self._convert_json_to_current_version(results_json) |
| |
| if builder_name not in results_json: |
| results_json[builder_name] = ( |
| self._create_results_for_builder_json()) |
| |
| results_for_builder = results_json[builder_name] |
| |
| if builder_name: |
| self._insert_generic_metadata(results_for_builder) |
| |
| self._insert_failure_summaries(results_for_builder) |
| |
| # Update the all failing tests with result type and time. |
| tests = results_for_builder[self.TESTS] |
| all_failing_tests = self._get_failed_test_names() |
| all_failing_tests.update(convert_trie_to_flat_paths(tests)) |
| |
| for test in all_failing_tests: |
| self._insert_test_time_and_result(test, tests) |
| |
| return results_json |
| |
| def set_archived_results(self, archived_results): |
| self._archived_results = archived_results |
| |
| def upload_json_files(self, json_files): |
| """Uploads the given json_files to the test_results_server (if the |
| test_results_server is given).""" |
| if not self._test_results_server: |
| return |
| |
| if not self._master_name: |
| _log.error("--test-results-server was set, but --master-name was not. Not uploading JSON files.") |
| return |
| |
| _log.info("Uploading JSON files for builder: %s", self._builder_name) |
| attrs = [("builder", self._builder_name), |
| ("testtype", self._test_type), |
| ("master", self._master_name)] |
| |
| files = [(file, self._filesystem.join(self._results_directory, file)) |
| for file in json_files] |
| |
| url = "http://%s/testfile/upload" % self._test_results_server |
| # Set uploading timeout in case appengine server is having problems. |
| # 120 seconds are more than enough to upload test results. |
| uploader = FileUploader(url, 120) |
| try: |
| response = uploader.upload_as_multipart_form_data(self._filesystem, files, attrs) |
| if response: |
| if response.code == 200: |
| _log.info("JSON uploaded.") |
| else: |
| _log.debug("JSON upload failed, %d: '%s'" % (response.code, response.read())) |
| else: |
| _log.error("JSON upload failed; no response returned") |
| except Exception, err: |
| _log.error("Upload failed: %s" % err) |
| return |
| |
| |
| def _get_test_timing(self, test_name): |
| """Returns test timing data (elapsed time) in second |
| for the given test_name.""" |
| if test_name in self._test_results_map: |
| # Floor for now to get time in seconds. |
| return int(self._test_results_map[test_name].test_run_time) |
| return 0 |
| |
| def _get_failed_test_names(self): |
| """Returns a set of failed test names.""" |
| return set([r.test_name for r in self._test_results if r.failed]) |
| |
| def _get_modifier_char(self, test_name): |
| """Returns a single char (e.g. SKIP_RESULT, FAIL_RESULT, |
| PASS_RESULT, NO_DATA_RESULT, etc) that indicates the test modifier |
| for the given test_name. |
| """ |
| if test_name not in self._test_results_map: |
| return self.__class__.NO_DATA_RESULT |
| |
| test_result = self._test_results_map[test_name] |
| if test_result.modifier in self.MODIFIER_TO_CHAR.keys(): |
| return self.MODIFIER_TO_CHAR[test_result.modifier] |
| |
| return self.__class__.PASS_RESULT |
| |
| def _get_result_char(self, test_name): |
| """Returns a single char (e.g. SKIP_RESULT, FAIL_RESULT, |
| PASS_RESULT, NO_DATA_RESULT, etc) that indicates the test result |
| for the given test_name. |
| """ |
| if test_name not in self._test_results_map: |
| return self.__class__.NO_DATA_RESULT |
| |
| test_result = self._test_results_map[test_name] |
| if test_result.modifier == TestResult.DISABLED: |
| return self.__class__.SKIP_RESULT |
| |
| if test_result.failed: |
| return self.__class__.FAIL_RESULT |
| |
| return self.__class__.PASS_RESULT |
| |
| def _get_svn_revision(self, in_directory): |
| """Returns the svn revision for the given directory. |
| |
| Args: |
| in_directory: The directory where svn is to be run. |
| """ |
| |
| # FIXME: We initialize this here in order to engage the stupid windows hacks :). |
| # We can't reuse an existing scm object because the specific directories may |
| # be part of other checkouts. |
| self._port.host.initialize_scm() |
| scm = SCMDetector(self._filesystem, self._executive).detect_scm_system(in_directory) |
| if scm: |
| return scm.svn_revision(in_directory) |
| return "" |
| |
| def _get_archived_json_results(self): |
| """Download JSON file that only contains test |
| name list from test-results server. This is for generating incremental |
| JSON so the file generated has info for tests that failed before but |
| pass or are skipped from current run. |
| |
| Returns (archived_results, error) tuple where error is None if results |
| were successfully read. |
| """ |
| results_json = {} |
| old_results = None |
| error = None |
| |
| if not self._test_results_server: |
| return {}, None |
| |
| results_file_url = (self.URL_FOR_TEST_LIST_JSON % |
| (urllib2.quote(self._test_results_server), |
| urllib2.quote(self._builder_name), |
| self.RESULTS_FILENAME, |
| urllib2.quote(self._test_type), |
| urllib2.quote(self._master_name))) |
| |
| try: |
| # FIXME: We should talk to the network via a Host object. |
| results_file = urllib2.urlopen(results_file_url) |
| info = results_file.info() |
| old_results = results_file.read() |
| except urllib2.HTTPError, http_error: |
| # A non-4xx status code means the bot is hosed for some reason |
| # and we can't grab the results.json file off of it. |
| if (http_error.code < 400 and http_error.code >= 500): |
| error = http_error |
| except urllib2.URLError, url_error: |
| error = url_error |
| |
| if old_results: |
| # Strip the prefix and suffix so we can get the actual JSON object. |
| old_results = strip_json_wrapper(old_results) |
| |
| try: |
| results_json = json.loads(old_results) |
| except: |
| _log.debug("results.json was not valid JSON. Clobbering.") |
| # The JSON file is not valid JSON. Just clobber the results. |
| results_json = {} |
| else: |
| _log.debug('Old JSON results do not exist. Starting fresh.') |
| results_json = {} |
| |
| return results_json, error |
| |
| def _insert_failure_summaries(self, results_for_builder): |
| """Inserts aggregate pass/failure statistics into the JSON. |
| This method reads self._test_results and generates |
| FIXABLE, FIXABLE_COUNT and ALL_FIXABLE_COUNT entries. |
| |
| Args: |
| results_for_builder: Dictionary containing the test results for a |
| single builder. |
| """ |
| # Insert the number of tests that failed or skipped. |
| fixable_count = len([r for r in self._test_results if r.fixable()]) |
| self._insert_item_into_raw_list(results_for_builder, |
| fixable_count, self.FIXABLE_COUNT) |
| |
| # Create a test modifiers (FAILS, FLAKY etc) summary dictionary. |
| entry = {} |
| for test_name in self._test_results_map.iterkeys(): |
| result_char = self._get_modifier_char(test_name) |
| entry[result_char] = entry.get(result_char, 0) + 1 |
| |
| # Insert the pass/skip/failure summary dictionary. |
| self._insert_item_into_raw_list(results_for_builder, entry, |
| self.FIXABLE) |
| |
| # Insert the number of all the tests that are supposed to pass. |
| all_test_count = len(self._test_results) |
| self._insert_item_into_raw_list(results_for_builder, |
| all_test_count, self.ALL_FIXABLE_COUNT) |
| |
| def _insert_item_into_raw_list(self, results_for_builder, item, key): |
| """Inserts the item into the list with the given key in the results for |
| this builder. Creates the list if no such list exists. |
| |
| Args: |
| results_for_builder: Dictionary containing the test results for a |
| single builder. |
| item: Number or string to insert into the list. |
| key: Key in results_for_builder for the list to insert into. |
| """ |
| if key in results_for_builder: |
| raw_list = results_for_builder[key] |
| else: |
| raw_list = [] |
| |
| raw_list.insert(0, item) |
| raw_list = raw_list[:self.MAX_NUMBER_OF_BUILD_RESULTS_TO_LOG] |
| results_for_builder[key] = raw_list |
| |
| def _insert_item_run_length_encoded(self, item, encoded_results): |
| """Inserts the item into the run-length encoded results. |
| |
| Args: |
| item: String or number to insert. |
| encoded_results: run-length encoded results. An array of arrays, e.g. |
| [[3,'A'],[1,'Q']] encodes AAAQ. |
| """ |
| if len(encoded_results) and item == encoded_results[0][1]: |
| num_results = encoded_results[0][0] |
| if num_results <= self.MAX_NUMBER_OF_BUILD_RESULTS_TO_LOG: |
| encoded_results[0][0] = num_results + 1 |
| else: |
| # Use a list instead of a class for the run-length encoding since |
| # we want the serialized form to be concise. |
| encoded_results.insert(0, [1, item]) |
| |
| def _insert_generic_metadata(self, results_for_builder): |
| """ Inserts generic metadata (such as version number, current time etc) |
| into the JSON. |
| |
| Args: |
| results_for_builder: Dictionary containing the test results for |
| a single builder. |
| """ |
| self._insert_item_into_raw_list(results_for_builder, |
| self._build_number, self.BUILD_NUMBERS) |
| |
| # Include SVN revisions for the given repositories. |
| for (name, path) in self._svn_repositories: |
| # Note: for JSON file's backward-compatibility we use 'chrome' rather |
| # than 'chromium' here. |
| lowercase_name = name.lower() |
| if lowercase_name == 'chromium': |
| lowercase_name = 'chrome' |
| self._insert_item_into_raw_list(results_for_builder, |
| self._get_svn_revision(path), |
| lowercase_name + 'Revision') |
| |
| self._insert_item_into_raw_list(results_for_builder, |
| int(time.time()), |
| self.TIME) |
| |
| def _insert_test_time_and_result(self, test_name, tests): |
| """ Insert a test item with its results to the given tests dictionary. |
| |
| Args: |
| tests: Dictionary containing test result entries. |
| """ |
| |
| result = self._get_result_char(test_name) |
| time = self._get_test_timing(test_name) |
| |
| this_test = tests |
| for segment in test_name.split("/"): |
| if segment not in this_test: |
| this_test[segment] = {} |
| this_test = this_test[segment] |
| |
| if not len(this_test): |
| self._populate_results_and_times_json(this_test) |
| |
| if self.RESULTS in this_test: |
| self._insert_item_run_length_encoded(result, this_test[self.RESULTS]) |
| else: |
| this_test[self.RESULTS] = [[1, result]] |
| |
| if self.TIMES in this_test: |
| self._insert_item_run_length_encoded(time, this_test[self.TIMES]) |
| else: |
| this_test[self.TIMES] = [[1, time]] |
| |
| def _convert_json_to_current_version(self, results_json): |
| """If the JSON does not match the current version, converts it to the |
| current version and adds in the new version number. |
| """ |
| if self.VERSION_KEY in results_json: |
| archive_version = results_json[self.VERSION_KEY] |
| if archive_version == self.VERSION: |
| return |
| else: |
| archive_version = 3 |
| |
| # version 3->4 |
| if archive_version == 3: |
| num_results = len(results_json.values()) |
| for builder, results in results_json.iteritems(): |
| self._convert_tests_to_trie(results) |
| |
| results_json[self.VERSION_KEY] = self.VERSION |
| |
| def _convert_tests_to_trie(self, results): |
| if not self.TESTS in results: |
| return |
| |
| test_results = results[self.TESTS] |
| test_results_trie = {} |
| for test in test_results.iterkeys(): |
| single_test_result = test_results[test] |
| add_path_to_trie(test, single_test_result, test_results_trie) |
| |
| results[self.TESTS] = test_results_trie |
| |
| def _populate_results_and_times_json(self, results_and_times): |
| results_and_times[self.RESULTS] = [] |
| results_and_times[self.TIMES] = [] |
| return results_and_times |
| |
| def _create_results_for_builder_json(self): |
| results_for_builder = {} |
| results_for_builder[self.TESTS] = {} |
| return results_for_builder |
| |
| def _remove_items_over_max_number_of_builds(self, encoded_list): |
| """Removes items from the run-length encoded list after the final |
| item that exceeds the max number of builds to track. |
| |
| Args: |
| encoded_results: run-length encoded results. An array of arrays, e.g. |
| [[3,'A'],[1,'Q']] encodes AAAQ. |
| """ |
| num_builds = 0 |
| index = 0 |
| for result in encoded_list: |
| num_builds = num_builds + result[0] |
| index = index + 1 |
| if num_builds > self.MAX_NUMBER_OF_BUILD_RESULTS_TO_LOG: |
| return encoded_list[:index] |
| return encoded_list |
| |
| def _normalize_results_json(self, test, test_name, tests): |
| """ Prune tests where all runs pass or tests that no longer exist and |
| truncate all results to maxNumberOfBuilds. |
| |
| Args: |
| test: ResultsAndTimes object for this test. |
| test_name: Name of the test. |
| tests: The JSON object with all the test results for this builder. |
| """ |
| test[self.RESULTS] = self._remove_items_over_max_number_of_builds( |
| test[self.RESULTS]) |
| test[self.TIMES] = self._remove_items_over_max_number_of_builds( |
| test[self.TIMES]) |
| |
| is_all_pass = self._is_results_all_of_type(test[self.RESULTS], |
| self.PASS_RESULT) |
| is_all_no_data = self._is_results_all_of_type(test[self.RESULTS], |
| self.NO_DATA_RESULT) |
| max_time = max([time[1] for time in test[self.TIMES]]) |
| |
| # Remove all passes/no-data from the results to reduce noise and |
| # filesize. If a test passes every run, but takes > MIN_TIME to run, |
| # don't throw away the data. |
| if is_all_no_data or (is_all_pass and max_time <= self.MIN_TIME): |
| del tests[test_name] |
| |
| def _is_results_all_of_type(self, results, type): |
| """Returns whether all the results are of the given type |
| (e.g. all passes).""" |
| return len(results) == 1 and results[0][1] == type |
| |
| |
| # Left here not to break anything. |
| class JSONResultsGenerator(JSONResultsGeneratorBase): |
| pass |
