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skia2/tools/rebaseline.py
senorblanco@chromium.org bfc0d6bd5f Add an option to rebaseline.py to mark tests as ignore-failure. 
R=epoger@google.com, epoger

Review URL: https://codereview.chromium.org/24195018

git-svn-id: http://skia.googlecode.com/svn/trunk@11358 2bbb7eff-a529-9590-31e7-b0007b416f81
2013-09-18 19:14:43 +00:00

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#!/usr/bin/python
'''
Copyright 2012 Google Inc.
Use of this source code is governed by a BSD-style license that can be
found in the LICENSE file.
'''
'''
Rebaselines the given GM tests, on all bots and all configurations.
'''
# System-level imports
import argparse
import json
import os
import re
import subprocess
import sys
import urllib2
# Imports from within Skia
#
# We need to add the 'gm' directory, so that we can import gm_json.py within
# that directory. That script allows us to parse the actual-results.json file
# written out by the GM tool.
# Make sure that the 'gm' dir is in the PYTHONPATH, but add it at the *end*
# so any dirs that are already in the PYTHONPATH will be preferred.
#
# This assumes that the 'gm' directory has been checked out as a sibling of
# the 'tools' directory containing this script, which will be the case if
# 'trunk' was checked out as a single unit.
GM_DIRECTORY = os.path.realpath(
os.path.join(os.path.dirname(os.path.dirname(__file__)), 'gm'))
if GM_DIRECTORY not in sys.path:
sys.path.append(GM_DIRECTORY)
import gm_json
# TODO(epoger): In the long run, we want to build this list automatically,
# but for now we hard-code it until we can properly address
# https://code.google.com/p/skia/issues/detail?id=1544
# ('live query of builder list makes rebaseline.py slow to start up')
TEST_BUILDERS = [
'Test-Android-GalaxyNexus-SGX540-Arm7-Debug',
'Test-Android-GalaxyNexus-SGX540-Arm7-Release',
'Test-Android-IntelRhb-SGX544-x86-Debug',
'Test-Android-IntelRhb-SGX544-x86-Release',
'Test-Android-Nexus10-MaliT604-Arm7-Debug',
'Test-Android-Nexus10-MaliT604-Arm7-Release',
'Test-Android-Nexus4-Adreno320-Arm7-Debug',
'Test-Android-Nexus4-Adreno320-Arm7-Release',
'Test-Android-Nexus7-Tegra3-Arm7-Debug',
'Test-Android-Nexus7-Tegra3-Arm7-Release',
'Test-Android-NexusS-SGX540-Arm7-Debug',
'Test-Android-NexusS-SGX540-Arm7-Release',
'Test-Android-Xoom-Tegra2-Arm7-Debug',
'Test-Android-Xoom-Tegra2-Arm7-Release',
'Test-ChromeOS-Alex-GMA3150-x86-Debug',
'Test-ChromeOS-Alex-GMA3150-x86-Release',
'Test-ChromeOS-Daisy-MaliT604-Arm7-Debug',
'Test-ChromeOS-Daisy-MaliT604-Arm7-Release',
'Test-ChromeOS-Link-HD4000-x86_64-Debug',
'Test-ChromeOS-Link-HD4000-x86_64-Release',
'Test-Mac10.6-MacMini4.1-GeForce320M-x86-Debug',
'Test-Mac10.6-MacMini4.1-GeForce320M-x86-Release',
'Test-Mac10.6-MacMini4.1-GeForce320M-x86_64-Debug',
'Test-Mac10.6-MacMini4.1-GeForce320M-x86_64-Release',
'Test-Mac10.7-MacMini4.1-GeForce320M-x86-Debug',
'Test-Mac10.7-MacMini4.1-GeForce320M-x86-Release',
'Test-Mac10.7-MacMini4.1-GeForce320M-x86_64-Debug',
'Test-Mac10.7-MacMini4.1-GeForce320M-x86_64-Release',
'Test-Mac10.8-MacMini4.1-GeForce320M-x86-Debug',
'Test-Mac10.8-MacMini4.1-GeForce320M-x86-Release',
'Test-Mac10.8-MacMini4.1-GeForce320M-x86_64-Debug',
'Test-Mac10.8-MacMini4.1-GeForce320M-x86_64-Release',
'Test-Ubuntu12-ShuttleA-ATI5770-x86-Debug',
'Test-Ubuntu12-ShuttleA-ATI5770-x86-Release',
'Test-Ubuntu12-ShuttleA-ATI5770-x86_64-Debug',
'Test-Ubuntu12-ShuttleA-ATI5770-x86_64-Release',
'Test-Ubuntu12-ShuttleA-HD2000-x86_64-Release-Valgrind',
'Test-Ubuntu12-ShuttleA-NoGPU-x86_64-Debug',
'Test-Ubuntu13-ShuttleA-HD2000-x86_64-Debug-ASAN',
'Test-Win7-ShuttleA-HD2000-x86-Debug',
'Test-Win7-ShuttleA-HD2000-x86-Debug-ANGLE',
'Test-Win7-ShuttleA-HD2000-x86-Debug-DirectWrite',
'Test-Win7-ShuttleA-HD2000-x86-Release',
'Test-Win7-ShuttleA-HD2000-x86-Release-ANGLE',
'Test-Win7-ShuttleA-HD2000-x86-Release-DirectWrite',
'Test-Win7-ShuttleA-HD2000-x86_64-Debug',
'Test-Win7-ShuttleA-HD2000-x86_64-Release',
]
# TODO: Get this from builder_name_schema in buildbot.
TRYBOT_SUFFIX = '-Trybot'
class _InternalException(Exception):
pass
class ExceptionHandler(object):
""" Object that handles exceptions, either raising them immediately or
collecting them to display later on."""
# params:
def __init__(self, keep_going_on_failure=False):
"""
params:
keep_going_on_failure: if False, report failures and quit right away;
if True, collect failures until
ReportAllFailures() is called
"""
self._keep_going_on_failure = keep_going_on_failure
self._failures_encountered = []
def RaiseExceptionOrContinue(self):
""" We have encountered an exception; either collect the info and keep
going, or exit the program right away."""
# Get traceback information about the most recently raised exception.
exc_info = sys.exc_info()
if self._keep_going_on_failure:
print >> sys.stderr, ('WARNING: swallowing exception %s' %
repr(exc_info[1]))
self._failures_encountered.append(exc_info)
else:
print >> sys.stderr, (
'\nHalting at first exception.\n' +
'Please file a bug to epoger@google.com at ' +
'https://code.google.com/p/skia/issues/entry, containing the ' +
'command you ran and the following stack trace.\n\n' +
'Afterwards, you can re-run with the --keep-going-on-failure ' +
'option set.\n')
raise exc_info[1], None, exc_info[2]
def ReportAllFailures(self):
if self._failures_encountered:
print >> sys.stderr, ('Encountered %d failures (see above).' %
len(self._failures_encountered))
sys.exit(1)
# Object that rebaselines a JSON expectations file (not individual image files).
class JsonRebaseliner(object):
# params:
# expectations_root: root directory of all expectations JSON files
# expectations_input_filename: filename (under expectations_root) of JSON
# expectations file to read; typically
# "expected-results.json"
# expectations_output_filename: filename (under expectations_root) to
# which updated expectations should be
# written; typically the same as
# expectations_input_filename, to overwrite
# the old content
# actuals_base_url: base URL from which to read actual-result JSON files
# actuals_filename: filename (under actuals_base_url) from which to read a
# summary of results; typically "actual-results.json"
# exception_handler: reference to rebaseline.ExceptionHandler object
# tests: list of tests to rebaseline, or None if we should rebaseline
# whatever files the JSON results summary file tells us to
# configs: which configs to run for each test, or None if we should
# rebaseline whatever configs the JSON results summary file tells
# us to
# add_new: if True, add expectations for tests which don't have any yet
# bugs: optional list of bug numbers which pertain to these expectations
# notes: free-form text notes to add to all updated expectations
# mark_unreviewed: if True, mark these expectations as NOT having been
# reviewed by a human; otherwise, leave that field blank.
# Currently, there is no way to make this script mark
# expectations as reviewed-by-human=True.
# TODO(epoger): Add that capability to a review tool.
# mark_ignore_failure: if True, mark failures of a given test as being
# ignored.
def __init__(self, expectations_root, expectations_input_filename,
expectations_output_filename, actuals_base_url,
actuals_filename, exception_handler,
tests=None, configs=None, add_new=False, bugs=None, notes=None,
mark_unreviewed=None, mark_ignore_failure=False,
from_trybot=False):
self._expectations_root = expectations_root
self._expectations_input_filename = expectations_input_filename
self._expectations_output_filename = expectations_output_filename
self._tests = tests
self._configs = configs
self._actuals_base_url = actuals_base_url
self._actuals_filename = actuals_filename
self._exception_handler = exception_handler
self._add_new = add_new
self._bugs = bugs
self._notes = notes
self._mark_unreviewed = mark_unreviewed
self._mark_ignore_failure = mark_ignore_failure;
self._image_filename_re = re.compile(gm_json.IMAGE_FILENAME_PATTERN)
self._using_svn = os.path.isdir(os.path.join(expectations_root, '.svn'))
self._from_trybot = from_trybot
# Executes subprocess.call(cmd).
# Raises an Exception if the command fails.
def _Call(self, cmd):
if subprocess.call(cmd) != 0:
raise _InternalException('error running command: ' + ' '.join(cmd))
# Returns the full contents of filepath, as a single string.
# If filepath looks like a URL, try to read it that way instead of as
# a path on local storage.
#
# Raises _InternalException if there is a problem.
def _GetFileContents(self, filepath):
if filepath.startswith('http:') or filepath.startswith('https:'):
try:
return urllib2.urlopen(filepath).read()
except urllib2.HTTPError as e:
raise _InternalException('unable to read URL %s: %s' % (
filepath, e))
else:
return open(filepath, 'r').read()
# Returns a dictionary of actual results from actual-results.json file.
#
# The dictionary returned has this format:
# {
# u'imageblur_565.png': [u'bitmap-64bitMD5', 3359963596899141322],
# u'imageblur_8888.png': [u'bitmap-64bitMD5', 4217923806027861152],
# u'shadertext3_8888.png': [u'bitmap-64bitMD5', 3713708307125704716]
# }
#
# If the JSON actual result summary file cannot be loaded, logs a warning
# message and returns None.
# If the JSON actual result summary file can be loaded, but we have
# trouble parsing it, raises an Exception.
#
# params:
# json_url: URL pointing to a JSON actual result summary file
# sections: a list of section names to include in the results, e.g.
# [gm_json.JSONKEY_ACTUALRESULTS_FAILED,
# gm_json.JSONKEY_ACTUALRESULTS_NOCOMPARISON] ;
# if None, then include ALL sections.
def _GetActualResults(self, json_url, sections=None):
try:
json_contents = self._GetFileContents(json_url)
except _InternalException:
print >> sys.stderr, (
'could not read json_url %s ; skipping this platform.' %
json_url)
return None
json_dict = gm_json.LoadFromString(json_contents)
results_to_return = {}
actual_results = json_dict[gm_json.JSONKEY_ACTUALRESULTS]
if not sections:
sections = actual_results.keys()
for section in sections:
section_results = actual_results[section]
if section_results:
results_to_return.update(section_results)
return results_to_return
# Rebaseline all tests/types we specified in the constructor,
# within this builder's subdirectory in expectations/gm .
#
# params:
# builder : e.g. 'Test-Win7-ShuttleA-HD2000-x86-Release'
def RebaselineSubdir(self, builder):
# Read in the actual result summary, and extract all the tests whose
# results we need to update.
results_builder = str(builder)
if self._from_trybot:
results_builder = results_builder + TRYBOT_SUFFIX
actuals_url = '/'.join([self._actuals_base_url, results_builder,
self._actuals_filename])
# Only update results for tests that are currently failing.
# We don't want to rewrite results for tests that are already succeeding,
# because we don't want to add annotation fields (such as
# JSONKEY_EXPECTEDRESULTS_BUGS) except for tests whose expectations we
# are actually modifying.
sections = [gm_json.JSONKEY_ACTUALRESULTS_FAILED]
if self._add_new:
sections.append(gm_json.JSONKEY_ACTUALRESULTS_NOCOMPARISON)
results_to_update = self._GetActualResults(json_url=actuals_url,
sections=sections)
# Read in current expectations.
expectations_input_filepath = os.path.join(
self._expectations_root, builder, self._expectations_input_filename)
expectations_dict = gm_json.LoadFromFile(expectations_input_filepath)
expected_results = expectations_dict.get(gm_json.JSONKEY_EXPECTEDRESULTS)
if not expected_results:
expected_results = {}
expectations_dict[gm_json.JSONKEY_EXPECTEDRESULTS] = expected_results
# Update the expectations in memory, skipping any tests/configs that
# the caller asked to exclude.
skipped_images = []
if results_to_update:
for (image_name, image_results) in results_to_update.iteritems():
(test, config) = self._image_filename_re.match(image_name).groups()
if self._tests:
if test not in self._tests:
skipped_images.append(image_name)
continue
if self._configs:
if config not in self._configs:
skipped_images.append(image_name)
continue
if not expected_results.get(image_name):
expected_results[image_name] = {}
expected_results[image_name]\
[gm_json.JSONKEY_EXPECTEDRESULTS_ALLOWEDDIGESTS]\
= [image_results]
if self._mark_unreviewed:
expected_results[image_name]\
[gm_json.JSONKEY_EXPECTEDRESULTS_REVIEWED]\
= False
if self._mark_ignore_failure:
expected_results[image_name]\
[gm_json.JSONKEY_EXPECTEDRESULTS_IGNOREFAILURE]\
= True
if self._bugs:
expected_results[image_name]\
[gm_json.JSONKEY_EXPECTEDRESULTS_BUGS]\
= self._bugs
if self._notes:
expected_results[image_name]\
[gm_json.JSONKEY_EXPECTEDRESULTS_NOTES]\
= self._notes
# Write out updated expectations.
expectations_output_filepath = os.path.join(
self._expectations_root, builder, self._expectations_output_filename)
gm_json.WriteToFile(expectations_dict, expectations_output_filepath)
# Mark the JSON file as plaintext, so text-style diffs can be applied.
# Fixes https://code.google.com/p/skia/issues/detail?id=1442
if self._using_svn:
self._Call(['svn', 'propset', '--quiet', 'svn:mime-type',
'text/x-json', expectations_output_filepath])
# main...
parser = argparse.ArgumentParser(
formatter_class=argparse.RawDescriptionHelpFormatter,
epilog='Here is the full set of builders we know about:' +
'\n '.join([''] + sorted(TEST_BUILDERS)))
parser.add_argument('--actuals-base-url',
help=('base URL from which to read files containing JSON '
'summaries of actual GM results; defaults to '
'%(default)s'),
default='http://skia-autogen.googlecode.com/svn/gm-actual')
parser.add_argument('--actuals-filename',
help=('filename (within builder-specific subdirectories '
'of ACTUALS_BASE_URL) to read a summary of results '
'from; defaults to %(default)s'),
default='actual-results.json')
parser.add_argument('--add-new', action='store_true',
help=('in addition to the standard behavior of '
'updating expectations for failing tests, add '
'expectations for tests which don\'t have '
'expectations yet.'))
parser.add_argument('--bugs', metavar='BUG', type=int, nargs='+',
help=('Skia bug numbers (under '
'https://code.google.com/p/skia/issues/list ) which '
'pertain to this set of rebaselines.'))
parser.add_argument('--builders', metavar='BUILDER', nargs='+',
help=('which platforms to rebaseline; '
'if unspecified, rebaseline all known platforms '
'(see below for a list)'))
# TODO(epoger): Add test that exercises --configs argument.
parser.add_argument('--configs', metavar='CONFIG', nargs='+',
help=('which configurations to rebaseline, e.g. '
'"--configs 565 8888", as a filter over the full set '
'of results in ACTUALS_FILENAME; if unspecified, '
'rebaseline *all* configs that are available.'))
parser.add_argument('--expectations-filename',
help=('filename (under EXPECTATIONS_ROOT) to read '
'current expectations from, and to write new '
'expectations into (unless a separate '
'EXPECTATIONS_FILENAME_OUTPUT has been specified); '
'defaults to %(default)s'),
default='expected-results.json')
parser.add_argument('--expectations-filename-output',
help=('filename (under EXPECTATIONS_ROOT) to write '
'updated expectations into; by default, overwrites '
'the input file (EXPECTATIONS_FILENAME)'),
default='')
parser.add_argument('--expectations-root',
help=('root of expectations directory to update-- should '
'contain one or more builder subdirectories. '
'Defaults to %(default)s'),
default=os.path.join('expectations', 'gm'))
parser.add_argument('--keep-going-on-failure', action='store_true',
help=('instead of halting at the first error encountered, '
'keep going and rebaseline as many tests as '
'possible, and then report the full set of errors '
'at the end'))
parser.add_argument('--notes',
help=('free-form text notes to add to all updated '
'expectations'))
# TODO(epoger): Add test that exercises --tests argument.
parser.add_argument('--tests', metavar='TEST', nargs='+',
help=('which tests to rebaseline, e.g. '
'"--tests aaclip bigmatrix", as a filter over the '
'full set of results in ACTUALS_FILENAME; if '
'unspecified, rebaseline *all* tests that are '
'available.'))
parser.add_argument('--unreviewed', action='store_true',
help=('mark all expectations modified by this run as '
'"%s": False' %
gm_json.JSONKEY_EXPECTEDRESULTS_REVIEWED))
parser.add_argument('--ignore-failure', action='store_true',
help=('mark all expectations modified by this run as '
'"%s": True' %
gm_json.JSONKEY_ACTUALRESULTS_FAILUREIGNORED))
parser.add_argument('--from-trybot', action='store_true',
help=('pull the actual-results.json file from the '
'corresponding trybot, rather than the main builder'))
args = parser.parse_args()
exception_handler = ExceptionHandler(
keep_going_on_failure=args.keep_going_on_failure)
if args.builders:
builders = args.builders
missing_json_is_fatal = True
else:
builders = sorted(TEST_BUILDERS)
missing_json_is_fatal = False
for builder in builders:
if not builder in TEST_BUILDERS:
raise Exception(('unrecognized builder "%s"; ' +
'should be one of %s') % (
builder, TEST_BUILDERS))
expectations_json_file = os.path.join(args.expectations_root, builder,
args.expectations_filename)
if os.path.isfile(expectations_json_file):
rebaseliner = JsonRebaseliner(
expectations_root=args.expectations_root,
expectations_input_filename=args.expectations_filename,
expectations_output_filename=(args.expectations_filename_output or
args.expectations_filename),
tests=args.tests, configs=args.configs,
actuals_base_url=args.actuals_base_url,
actuals_filename=args.actuals_filename,
exception_handler=exception_handler,
add_new=args.add_new, bugs=args.bugs, notes=args.notes,
mark_unreviewed=args.unreviewed,
mark_ignore_failure=args.ignore_failure,
from_trybot=args.from_trybot)
try:
rebaseliner.RebaselineSubdir(builder=builder)
except:
exception_handler.RaiseExceptionOrContinue()
else:
try:
raise _InternalException('expectations_json_file %s not found' %
expectations_json_file)
except:
exception_handler.RaiseExceptionOrContinue()
exception_handler.ReportAllFailures()
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