1#!/usr/bin/env python3 2# 3# Copyright 2017 The Chromium Authors 4# Use of this source code is governed by a BSD-style license that can be 5# found in the LICENSE file. 6 7"""Creates an Android .aar file.""" 8 9import argparse 10import os 11import posixpath 12import shutil 13import sys 14import tempfile 15import zipfile 16 17import filter_zip 18from util import build_utils 19import action_helpers # build_utils adds //build to sys.path. 20import zip_helpers 21 22 23_ANDROID_BUILD_DIR = os.path.dirname(os.path.dirname(__file__)) 24 25 26def _MergeRTxt(r_paths, include_globs): 27 """Merging the given R.txt files and returns them as a string.""" 28 all_lines = set() 29 for r_path in r_paths: 30 if include_globs and not build_utils.MatchesGlob(r_path, include_globs): 31 continue 32 with open(r_path) as f: 33 all_lines.update(f.readlines()) 34 return ''.join(sorted(all_lines)) 35 36 37def _MergeProguardConfigs(proguard_configs): 38 """Merging the given proguard config files and returns them as a string.""" 39 ret = [] 40 for config in proguard_configs: 41 ret.append('# FROM: {}'.format(config)) 42 with open(config) as f: 43 ret.append(f.read()) 44 return '\n'.join(ret) 45 46 47def _AddResources(aar_zip, resource_zips, include_globs): 48 """Adds all resource zips to the given aar_zip. 49 50 Ensures all res/values/* files have unique names by prefixing them. 51 """ 52 for i, path in enumerate(resource_zips): 53 if include_globs and not build_utils.MatchesGlob(path, include_globs): 54 continue 55 with zipfile.ZipFile(path) as res_zip: 56 for info in res_zip.infolist(): 57 data = res_zip.read(info) 58 dirname, basename = posixpath.split(info.filename) 59 if 'values' in dirname: 60 root, ext = os.path.splitext(basename) 61 basename = '{}_{}{}'.format(root, i, ext) 62 info.filename = posixpath.join(dirname, basename) 63 info.filename = posixpath.join('res', info.filename) 64 aar_zip.writestr(info, data) 65 66 67def main(args): 68 args = build_utils.ExpandFileArgs(args) 69 parser = argparse.ArgumentParser() 70 action_helpers.add_depfile_arg(parser) 71 parser.add_argument('--output', required=True, help='Path to output aar.') 72 parser.add_argument('--jars', required=True, help='GN list of jar inputs.') 73 parser.add_argument('--dependencies-res-zips', required=True, 74 help='GN list of resource zips') 75 parser.add_argument('--r-text-files', required=True, 76 help='GN list of R.txt files to merge') 77 parser.add_argument('--proguard-configs', required=True, 78 help='GN list of ProGuard flag files to merge.') 79 parser.add_argument( 80 '--android-manifest', 81 help='Path to AndroidManifest.xml to include.', 82 default=os.path.join(_ANDROID_BUILD_DIR, 'AndroidManifest.xml')) 83 parser.add_argument('--native-libraries', default='', 84 help='GN list of native libraries. If non-empty then ' 85 'ABI must be specified.') 86 parser.add_argument('--abi', 87 help='ABI (e.g. armeabi-v7a) for native libraries.') 88 parser.add_argument( 89 '--jar-excluded-globs', 90 help='GN-list of globs for paths to exclude in jar.') 91 parser.add_argument( 92 '--jar-included-globs', 93 help='GN-list of globs for paths to include in jar.') 94 parser.add_argument( 95 '--resource-included-globs', 96 help='GN-list of globs for paths to include in R.txt and resources zips.') 97 98 options = parser.parse_args(args) 99 100 if options.native_libraries and not options.abi: 101 parser.error('You must provide --abi if you have native libs') 102 103 options.jars = action_helpers.parse_gn_list(options.jars) 104 options.dependencies_res_zips = action_helpers.parse_gn_list( 105 options.dependencies_res_zips) 106 options.r_text_files = action_helpers.parse_gn_list(options.r_text_files) 107 options.proguard_configs = action_helpers.parse_gn_list( 108 options.proguard_configs) 109 options.native_libraries = action_helpers.parse_gn_list( 110 options.native_libraries) 111 options.jar_excluded_globs = action_helpers.parse_gn_list( 112 options.jar_excluded_globs) 113 options.jar_included_globs = action_helpers.parse_gn_list( 114 options.jar_included_globs) 115 options.resource_included_globs = action_helpers.parse_gn_list( 116 options.resource_included_globs) 117 118 with tempfile.NamedTemporaryFile(delete=False) as staging_file: 119 try: 120 with zipfile.ZipFile(staging_file.name, 'w') as z: 121 zip_helpers.add_to_zip_hermetic(z, 122 'AndroidManifest.xml', 123 src_path=options.android_manifest) 124 125 path_transform = filter_zip.CreatePathTransform( 126 options.jar_excluded_globs, options.jar_included_globs) 127 with tempfile.NamedTemporaryFile() as jar_file: 128 zip_helpers.merge_zips(jar_file.name, 129 options.jars, 130 path_transform=path_transform) 131 zip_helpers.add_to_zip_hermetic(z, 132 'classes.jar', 133 src_path=jar_file.name) 134 135 zip_helpers.add_to_zip_hermetic(z, 136 'R.txt', 137 data=_MergeRTxt( 138 options.r_text_files, 139 options.resource_included_globs)) 140 zip_helpers.add_to_zip_hermetic(z, 'public.txt', data='') 141 142 if options.proguard_configs: 143 zip_helpers.add_to_zip_hermetic(z, 144 'proguard.txt', 145 data=_MergeProguardConfigs( 146 options.proguard_configs)) 147 148 _AddResources(z, options.dependencies_res_zips, 149 options.resource_included_globs) 150 151 for native_library in options.native_libraries: 152 libname = os.path.basename(native_library) 153 zip_helpers.add_to_zip_hermetic(z, 154 os.path.join('jni', options.abi, 155 libname), 156 src_path=native_library) 157 except: 158 os.unlink(staging_file.name) 159 raise 160 shutil.move(staging_file.name, options.output) 161 162 if options.depfile: 163 all_inputs = (options.jars + options.dependencies_res_zips + 164 options.r_text_files + options.proguard_configs) 165 action_helpers.write_depfile(options.depfile, options.output, all_inputs) 166 167 168if __name__ == '__main__': 169 main(sys.argv[1:]) 170