1#!/usr/bin/env python3 2 3# Copyright 2023 Google Inc. 4# 5# Use of this source code is governed by a BSD-style license that can be 6# found in the LICENSE file. 7 8import hashlib 9import json 10import os 11import platform 12import re 13import stat 14import sys 15import tempfile 16import zipfile 17 18from urllib.request import urlopen 19 20TESTDATA_REL_DIR = 'third_party/externals/googlefonts_testdata' 21ZIP_ARCHIVE_NAME = 'googlefonts_testdata.zip' 22VERSION_FILE = 'googlefonts_testdata.version' 23 24def sha256sum(path): 25 try: 26 with open(path, 'rb') as f: 27 return hashlib.sha256(f.read()).hexdigest() 28 except OSError: 29 return '' 30 31 32os.chdir(os.path.join(os.path.dirname(__file__), os.pardir)) 33 34with open('DEPS', 'rb') as f: 35 deps = f.read().decode() 36found = re.findall(r"'googlefonts_testdata_version':\s*'(\S+)'", deps) 37if len(found) != 1: 38 print('Unable to find desired revision in DEPS', file=sys.stderr) 39 exit(1) 40desired_version = found[0] 41 42# Determine which version (if any) we currently have. 43zip_archive_path = os.path.join(TESTDATA_REL_DIR, ZIP_ARCHIVE_NAME) 44current_sha256 = sha256sum(zip_archive_path) 45archive_version_path = os.path.join(TESTDATA_REL_DIR, VERSION_FILE) 46 47current_version = { 48 'version': '', 49 'sha256': '', 50} 51try: 52 with open(archive_version_path, 'r', encoding='utf8') as f: 53 current_version = json.load(f) 54except OSError: 55 pass 56 57if desired_version != current_version['version']: 58 print('Version "%s" requested by DEPS differs from current version "%s"' % ( 59 desired_version, current_version['version'])) 60elif current_sha256 != current_version['sha256']: 61 print('sha256 sum "%s" does not match last-downloaded version "%s"' % ( 62 current_sha256, current_version['sha256'])) 63else: 64 print('Already up to date.') 65 exit(0) 66 67print('Fetching %s at %s.' % (ZIP_ARCHIVE_NAME, desired_version)) 68 69os.makedirs(os.path.dirname(zip_archive_path), exist_ok=True) 70with open(zip_archive_path, 'wb') as f: 71 url = f'https://chrome-infra-packages.appspot.com/dl/chromium/third_party/googlefonts_testdata/+/{desired_version}' 72 f.write(urlopen(url).read()) 73 74with zipfile.ZipFile(zip_archive_path, 'r') as f: 75 f.extractall(TESTDATA_REL_DIR) 76 77# Write the downloaded version info to a file. 78current_version['version'] = desired_version 79current_version['sha256'] = sha256sum(zip_archive_path) 80with open(archive_version_path, 'w', encoding='utf8') as f: 81 json.dump(current_version, f, sort_keys=True, indent=2) 82