| # Copyright (c) 2016, the R8 project authors. Please see the AUTHORS file |
| # for details. All rights reserved. Use of this source code is governed by a |
| # BSD-style license that can be found in the LICENSE file. |
| |
| # Different utility functions used accross scripts |
| |
| import hashlib |
| import os |
| import re |
| import shutil |
| import subprocess |
| import sys |
| import tempfile |
| |
| TOOLS_DIR = os.path.abspath(os.path.normpath(os.path.join(__file__, '..'))) |
| REPO_ROOT = os.path.realpath(os.path.join(TOOLS_DIR, '..')) |
| MEMORY_USE_TMP_FILE = 'memory_use.tmp' |
| DEX_SEGMENTS_JAR = os.path.join(REPO_ROOT, 'build', 'libs', |
| 'dexsegments.jar') |
| DEX_SEGMENTS_RESULT_PATTERN = re.compile('- ([^:]+): ([0-9]+)') |
| |
| def PrintCmd(s): |
| if type(s) is list: |
| s = ' '.join(s) |
| print 'Running: %s' % s |
| # I know this will hit os on windows eventually if we don't do this. |
| sys.stdout.flush() |
| |
| def IsWindows(): |
| return os.name == 'nt' |
| |
| def DownloadFromGoogleCloudStorage(sha1_file, bucket='r8-deps'): |
| suffix = '.bat' if IsWindows() else '' |
| download_script = 'download_from_google_storage%s' % suffix |
| cmd = [download_script, '-n', '-b', bucket, '-u', '-s', |
| sha1_file] |
| PrintCmd(cmd) |
| subprocess.check_call(cmd) |
| |
| def get_sha1(filename): |
| sha1 = hashlib.sha1() |
| with open(filename, 'rb') as f: |
| while True: |
| chunk = f.read(1024*1024) |
| if not chunk: |
| break |
| sha1.update(chunk) |
| return sha1.hexdigest() |
| |
| def makedirs_if_needed(path): |
| try: |
| os.makedirs(path) |
| except OSError: |
| if not os.path.isdir(path): |
| raise |
| |
| def upload_html_to_cloud_storage(directory, destination): |
| # Upload and make the content encoding right for viewing directly |
| cmd = ['gsutil.py', 'cp', '-z', 'html', '-a', |
| 'public-read', '-R', directory, destination] |
| PrintCmd(cmd) |
| subprocess.check_call(cmd) |
| |
| class TempDir(object): |
| def __init__(self, prefix=''): |
| self._temp_dir = None |
| self._prefix = prefix |
| |
| def __enter__(self): |
| self._temp_dir = tempfile.mkdtemp(self._prefix) |
| return self._temp_dir |
| |
| def __exit__(self, *_): |
| shutil.rmtree(self._temp_dir, ignore_errors=True) |
| |
| class ChangedWorkingDirectory(object): |
| def __init__(self, working_directory): |
| self._working_directory = working_directory |
| |
| def __enter__(self): |
| self._old_cwd = os.getcwd() |
| print 'Enter directory = ', self._working_directory |
| os.chdir(self._working_directory) |
| |
| def __exit__(self, *_): |
| print 'Enter directory = ', self._old_cwd |
| os.chdir(self._old_cwd) |
| |
| # Reading Android CTS test_result.xml |
| |
| class CtsModule(object): |
| def __init__(self, module_name): |
| self.name = module_name |
| |
| class CtsTestCase(object): |
| def __init__(self, test_case_name): |
| self.name = test_case_name |
| |
| class CtsTest(object): |
| def __init__(self, test_name, outcome): |
| self.name = test_name |
| self.outcome = outcome |
| |
| # Generator yielding CtsModule, CtsTestCase or CtsTest from |
| # reading through a CTS test_result.xml file. |
| def read_cts_test_result(file_xml): |
| re_module = re.compile('<Module name="([^"]*)"') |
| re_test_case = re.compile('<TestCase name="([^"]*)"') |
| re_test = re.compile('<Test result="(pass|fail)" name="([^"]*)"') |
| with open(file_xml) as f: |
| for line in f: |
| m = re_module.search(line) |
| if m: |
| yield CtsModule(m.groups()[0]) |
| continue |
| m = re_test_case.search(line) |
| if m: |
| yield CtsTestCase(m.groups()[0]) |
| continue |
| m = re_test.search(line) |
| if m: |
| outcome = m.groups()[0] |
| assert outcome in ['fail', 'pass'] |
| yield CtsTest(m.groups()[1], outcome == 'pass') |
| |
| def grep_memoryuse(logfile): |
| re_vmhwm = re.compile('^VmHWM:[ \t]*([0-9]+)[ \t]*([a-zA-Z]*)') |
| result = None |
| with open(logfile) as f: |
| for line in f: |
| m = re_vmhwm.search(line) |
| if m: |
| groups = m.groups() |
| s = len(groups) |
| if s >= 1: |
| result = int(groups[0]) |
| if s >= 2: |
| unit = groups[1] |
| if unit == 'kB': |
| result *= 1024 |
| elif unit != '': |
| raise Exception('Unrecognized unit in memory usage log: {}' |
| .format(unit)) |
| if result is None: |
| raise Exception('No memory usage found in log: {}'.format(logfile)) |
| return result |
| |
| # Return a dictionary: {segment_name -> segments_size} |
| def getDexSegmentSizes(dex_files): |
| assert len(dex_files) > 0 |
| cmd = ['java', '-jar', DEX_SEGMENTS_JAR] |
| cmd.extend(dex_files) |
| PrintCmd(cmd) |
| output = subprocess.check_output(cmd) |
| |
| matches = DEX_SEGMENTS_RESULT_PATTERN.findall(output) |
| |
| if matches is None or len(matches) == 0: |
| raise Exception('DexSegments failed to return any output for' \ |
| ' these files: {}'.format(dex_files)) |
| |
| result = {} |
| |
| for match in matches: |
| result[match[0]] = int(match[1]) |
| |
| return result |
| |
| def print_dexsegments(prefix, dex_files): |
| for segment_name, size in getDexSegmentSizes(dex_files).items(): |
| print('{}-{}(CodeSize): {}' |
| .format(prefix, segment_name, size)) |
| |
| # ensure that java version is 1.8.*-internal, |
| # as opposed to e.g. 1.7* or 1.8.*-google-v7 |
| def check_java_version(): |
| cmd= ['java', '-version'] |
| output = subprocess.check_output(cmd, stderr = subprocess.STDOUT) |
| m = re.search('openjdk version "([^"]*)"', output) |
| if m is None: |
| raise Exception("Can't check java version: no version string in output" |
| " of 'java -version': '{}'".format(output)) |
| version = m.groups(0)[0] |
| m = re.search('1[.]8[.].*-internal', version) |
| if m is None: |
| raise Exception("Incorrect java version, expected: '1.8.*-internal'," |
| " actual: {}".format(version)) |