1#!/usr/bin/env python 2# 3# Copyright (C) 2022 The Android Open Source Project 4# 5# Licensed under the Apache License, Version 2.0 (the "License"); 6# you may not use this file except in compliance with the License. 7# You may obtain a copy of the License at 8# 9# http://www.apache.org/licenses/LICENSE-2.0 10# 11# Unless required by applicable law or agreed to in writing, software 12# distributed under the License is distributed on an "AS IS" BASIS, 13# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14# See the License for the specific language governing permissions and 15# limitations under the License. 16# 17"""A tool to create an APEX bundle out of Soong-built base.zip""" 18 19import argparse 20import sys 21import tempfile 22import zipfile 23import os 24import json 25import subprocess 26 27 28def parse_args(): 29 """Parse commandline arguments.""" 30 parser = argparse.ArgumentParser() 31 parser.add_argument( 32 '--overwrite', 33 action='store_true', 34 help='If set, any previous existing output will be overwritten') 35 parser.add_argument('--output', help='specify the output .aab file') 36 parser.add_argument( 37 'input', help='specify the input <apex name>-base.zip file') 38 return parser.parse_args() 39 40 41def build_bundle(input, output, overwrite): 42 base_zip = zipfile.ZipFile(input) 43 44 tmpdir = tempfile.mkdtemp() 45 tmp_base_zip = os.path.join(tmpdir, 'base.zip') 46 tmp_bundle_config = os.path.join(tmpdir, 'bundle_config.json') 47 48 bundle_config = None 49 abi = [] 50 51 # This block performs three tasks 52 # - extract/load bundle_config.json from input => bundle_config 53 # - get ABI from input => abi 54 # - discard bundle_config.json from input => tmp/base.zip 55 with zipfile.ZipFile(tmp_base_zip, 'a') as out: 56 for info in base_zip.infolist(): 57 58 # discard bundle_config.json 59 if info.filename == 'bundle_config.json': 60 bundle_config = json.load(base_zip.open(info.filename)) 61 continue 62 63 # get ABI from apex/{abi}.img 64 dir, basename = os.path.split(info.filename) 65 name, ext = os.path.splitext(basename) 66 if dir == 'apex' and ext == '.img': 67 abi.append(name) 68 69 # copy entries to tmp/base.zip 70 out.writestr(info, base_zip.open(info.filename).read()) 71 72 base_zip.close() 73 74 if not bundle_config: 75 raise ValueError(f'bundle_config.json not found in {input}') 76 if len(abi) != 1: 77 raise ValueError(f'{input} should have only a single apex/*.img file') 78 79 # add ABI to tmp/bundle_config.json 80 apex_config = bundle_config['apex_config'] 81 if 'supported_abi_set' not in apex_config: 82 apex_config['supported_abi_set'] = [] 83 supported_abi_set = apex_config['supported_abi_set'] 84 supported_abi_set.append({'abi': abi}) 85 86 with open(tmp_bundle_config, 'w') as out: 87 json.dump(bundle_config, out) 88 89 # invoke bundletool 90 cmd = [ 91 'bundletool', 'build-bundle', '--config', tmp_bundle_config, '--modules', 92 tmp_base_zip, '--output', output 93 ] 94 if overwrite: 95 cmd.append('--overwrite') 96 subprocess.check_call(cmd) 97 98 99def main(): 100 """Program entry point.""" 101 try: 102 args = parse_args() 103 build_bundle(args.input, args.output, args.overwrite) 104 105 # pylint: disable=broad-except 106 except Exception as err: 107 print('error: ' + str(err), file=sys.stderr) 108 sys.exit(-1) 109 110 111if __name__ == '__main__': 112 main() 113