| #!/usr/bin/env python |
| # |
| # Copyright (c) 2012 The Chromium Authors. All rights reserved. |
| # Use of this source code is governed by a BSD-style license that can be |
| # found in the LICENSE file. |
| |
| """Process Android resources to generate R.java, and prepare for packaging. |
| |
| This will crunch images and generate v14 compatible resources |
| (see generate_v14_compatible_resources.py). |
| """ |
| |
| import codecs |
| import optparse |
| import os |
| import re |
| import shutil |
| import sys |
| import zipfile |
| |
| import generate_v14_compatible_resources |
| |
| from util import build_utils |
| |
| |
| def ParseArgs(args): |
| """Parses command line options. |
| |
| Returns: |
| An options object as from optparse.OptionsParser.parse_args() |
| """ |
| parser = optparse.OptionParser() |
| build_utils.AddDepfileOption(parser) |
| |
| parser.add_option('--android-sdk', help='path to the Android SDK folder') |
| parser.add_option('--android-sdk-tools', |
| help='path to the Android SDK build tools folder') |
| parser.add_option('--non-constant-id', action='store_true') |
| |
| parser.add_option('--android-manifest', help='AndroidManifest.xml path') |
| parser.add_option('--custom-package', help='Java package for R.java') |
| parser.add_option( |
| '--shared-resources', |
| action='store_true', |
| help='Make a resource package that can be loaded by a different' |
| 'application at runtime to access the package\'s resources.') |
| |
| parser.add_option('--resource-dirs', |
| help='Directories containing resources of this target.') |
| parser.add_option('--dependencies-res-zips', |
| help='Resources from dependents.') |
| |
| parser.add_option('--resource-zip-out', |
| help='Path for output zipped resources.') |
| |
| parser.add_option('--R-dir', |
| help='directory to hold generated R.java.') |
| parser.add_option('--srcjar-out', |
| help='Path to srcjar to contain generated R.java.') |
| |
| parser.add_option('--proguard-file', |
| help='Path to proguard.txt generated file') |
| |
| parser.add_option( |
| '--v14-verify-only', |
| action='store_true', |
| help='Do not generate v14 resources. Instead, just verify that the ' |
| 'resources are already compatible with v14, i.e. they don\'t use ' |
| 'attributes that cause crashes on certain devices.') |
| |
| parser.add_option( |
| '--extra-res-packages', |
| help='Additional package names to generate R.java files for') |
| # TODO(cjhopman): Actually use --extra-r-text-files. We currently include all |
| # the resources in all R.java files for a particular apk. |
| parser.add_option( |
| '--extra-r-text-files', |
| help='For each additional package, the R.txt file should contain a ' |
| 'list of resources to be included in the R.java file in the format ' |
| 'generated by aapt') |
| |
| parser.add_option( |
| '--all-resources-zip-out', |
| help='Path for output of all resources. This includes resources in ' |
| 'dependencies.') |
| |
| parser.add_option('--stamp', help='File to touch on success') |
| |
| (options, args) = parser.parse_args(args) |
| |
| if args: |
| parser.error('No positional arguments should be given.') |
| |
| # Check that required options have been provided. |
| required_options = ( |
| 'android_sdk', |
| 'android_sdk_tools', |
| 'android_manifest', |
| 'dependencies_res_zips', |
| 'resource_dirs', |
| 'resource_zip_out', |
| ) |
| build_utils.CheckOptions(options, parser, required=required_options) |
| |
| if (options.R_dir is None) == (options.srcjar_out is None): |
| raise Exception('Exactly one of --R-dir or --srcjar-out must be specified.') |
| |
| return options |
| |
| |
| def CreateExtraRJavaFiles(r_dir, extra_packages): |
| java_files = build_utils.FindInDirectory(r_dir, "R.java") |
| if len(java_files) != 1: |
| return |
| r_java_file = java_files[0] |
| r_java_contents = codecs.open(r_java_file, encoding='utf-8').read() |
| |
| for package in extra_packages: |
| package_r_java_dir = os.path.join(r_dir, *package.split('.')) |
| build_utils.MakeDirectory(package_r_java_dir) |
| package_r_java_path = os.path.join(package_r_java_dir, 'R.java') |
| new_r_java = re.sub(r'package [.\w]*;', u'package %s;' % package, |
| r_java_contents) |
| codecs.open(package_r_java_path, 'w', encoding='utf-8').write(new_r_java) |
| # TODO(cjhopman): These extra package's R.java files should be filtered to |
| # only contain the resources listed in their R.txt files. At this point, we |
| # have already compiled those other libraries, so doing this would only |
| # affect how the code in this .apk target could refer to the resources. |
| |
| |
| def CrunchDirectory(aapt, input_dir, output_dir): |
| """Crunches the images in input_dir and its subdirectories into output_dir. |
| |
| If an image is already optimized, crunching often increases image size. In |
| this case, the crunched image is overwritten with the original image. |
| """ |
| aapt_cmd = [aapt, |
| 'crunch', |
| '-C', output_dir, |
| '-S', input_dir, |
| '--ignore-assets', build_utils.AAPT_IGNORE_PATTERN] |
| build_utils.CheckOutput(aapt_cmd, stderr_filter=FilterCrunchStderr, |
| fail_func=DidCrunchFail) |
| |
| # Check for images whose size increased during crunching and replace them |
| # with their originals (except for 9-patches, which must be crunched). |
| for dir_, _, files in os.walk(output_dir): |
| for crunched in files: |
| if crunched.endswith('.9.png'): |
| continue |
| if not crunched.endswith('.png'): |
| raise Exception('Unexpected file in crunched dir: ' + crunched) |
| crunched = os.path.join(dir_, crunched) |
| original = os.path.join(input_dir, os.path.relpath(crunched, output_dir)) |
| original_size = os.path.getsize(original) |
| crunched_size = os.path.getsize(crunched) |
| if original_size < crunched_size: |
| shutil.copyfile(original, crunched) |
| |
| |
| def FilterCrunchStderr(stderr): |
| """Filters out lines from aapt crunch's stderr that can safely be ignored.""" |
| filtered_lines = [] |
| for line in stderr.splitlines(True): |
| # Ignore this libpng warning, which is a known non-error condition. |
| # http://crbug.com/364355 |
| if ('libpng warning: iCCP: Not recognizing known sRGB profile that has ' |
| + 'been edited' in line): |
| continue |
| filtered_lines.append(line) |
| return ''.join(filtered_lines) |
| |
| |
| def DidCrunchFail(returncode, stderr): |
| """Determines whether aapt crunch failed from its return code and output. |
| |
| Because aapt's return code cannot be trusted, any output to stderr is |
| an indication that aapt has failed (http://crbug.com/314885). |
| """ |
| return returncode != 0 or stderr |
| |
| |
| def ZipResources(resource_dirs, zip_path): |
| # Python zipfile does not provide a way to replace a file (it just writes |
| # another file with the same name). So, first collect all the files to put |
| # in the zip (with proper overriding), and then zip them. |
| files_to_zip = dict() |
| for d in resource_dirs: |
| for root, _, files in os.walk(d): |
| for f in files: |
| archive_path = os.path.join(os.path.relpath(root, d), f) |
| path = os.path.join(root, f) |
| files_to_zip[archive_path] = path |
| with zipfile.ZipFile(zip_path, 'w') as outzip: |
| for archive_path, path in files_to_zip.iteritems(): |
| outzip.write(path, archive_path) |
| |
| |
| def CombineZips(zip_files, output_path): |
| # When packaging resources, if the top-level directories in the zip file are |
| # of the form 0, 1, ..., then each subdirectory will be passed to aapt as a |
| # resources directory. While some resources just clobber others (image files, |
| # etc), other resources (particularly .xml files) need to be more |
| # intelligently merged. That merging is left up to aapt. |
| with zipfile.ZipFile(output_path, 'w') as outzip: |
| for i, z in enumerate(zip_files): |
| with zipfile.ZipFile(z, 'r') as inzip: |
| for name in inzip.namelist(): |
| new_name = '%d/%s' % (i, name) |
| outzip.writestr(new_name, inzip.read(name)) |
| |
| |
| def main(): |
| args = build_utils.ExpandFileArgs(sys.argv[1:]) |
| |
| options = ParseArgs(args) |
| android_jar = os.path.join(options.android_sdk, 'android.jar') |
| aapt = os.path.join(options.android_sdk_tools, 'aapt') |
| |
| input_files = [] |
| |
| with build_utils.TempDir() as temp_dir: |
| deps_dir = os.path.join(temp_dir, 'deps') |
| build_utils.MakeDirectory(deps_dir) |
| v14_dir = os.path.join(temp_dir, 'v14') |
| build_utils.MakeDirectory(v14_dir) |
| |
| gen_dir = os.path.join(temp_dir, 'gen') |
| build_utils.MakeDirectory(gen_dir) |
| |
| input_resource_dirs = build_utils.ParseGypList(options.resource_dirs) |
| |
| for resource_dir in input_resource_dirs: |
| generate_v14_compatible_resources.GenerateV14Resources( |
| resource_dir, |
| v14_dir, |
| options.v14_verify_only) |
| |
| dep_zips = build_utils.ParseGypList(options.dependencies_res_zips) |
| input_files += dep_zips |
| dep_subdirs = [] |
| for z in dep_zips: |
| subdir = os.path.join(deps_dir, os.path.basename(z)) |
| if os.path.exists(subdir): |
| raise Exception('Resource zip name conflict: ' + os.path.basename(z)) |
| build_utils.ExtractAll(z, path=subdir) |
| dep_subdirs.append(subdir) |
| |
| # Generate R.java. This R.java contains non-final constants and is used only |
| # while compiling the library jar (e.g. chromium_content.jar). When building |
| # an apk, a new R.java file with the correct resource -> ID mappings will be |
| # generated by merging the resources from all libraries and the main apk |
| # project. |
| package_command = [aapt, |
| 'package', |
| '-m', |
| '-M', options.android_manifest, |
| '--auto-add-overlay', |
| '-I', android_jar, |
| '--output-text-symbols', gen_dir, |
| '-J', gen_dir, |
| '--ignore-assets', build_utils.AAPT_IGNORE_PATTERN] |
| |
| for d in input_resource_dirs: |
| package_command += ['-S', d] |
| |
| for d in dep_subdirs: |
| package_command += ['-S', d] |
| |
| if options.non_constant_id: |
| package_command.append('--non-constant-id') |
| if options.custom_package: |
| package_command += ['--custom-package', options.custom_package] |
| if options.proguard_file: |
| package_command += ['-G', options.proguard_file] |
| if options.shared_resources: |
| package_command.append('--shared-lib') |
| build_utils.CheckOutput(package_command, print_stderr=False) |
| |
| if options.extra_res_packages: |
| CreateExtraRJavaFiles( |
| gen_dir, |
| build_utils.ParseGypList(options.extra_res_packages)) |
| |
| # This is the list of directories with resources to put in the final .zip |
| # file. The order of these is important so that crunched/v14 resources |
| # override the normal ones. |
| zip_resource_dirs = input_resource_dirs + [v14_dir] |
| |
| base_crunch_dir = os.path.join(temp_dir, 'crunch') |
| |
| # Crunch image resources. This shrinks png files and is necessary for |
| # 9-patch images to display correctly. 'aapt crunch' accepts only a single |
| # directory at a time and deletes everything in the output directory. |
| for idx, input_dir in enumerate(input_resource_dirs): |
| crunch_dir = os.path.join(base_crunch_dir, str(idx)) |
| build_utils.MakeDirectory(crunch_dir) |
| zip_resource_dirs.append(crunch_dir) |
| CrunchDirectory(aapt, input_dir, crunch_dir) |
| |
| ZipResources(zip_resource_dirs, options.resource_zip_out) |
| |
| if options.all_resources_zip_out: |
| CombineZips([options.resource_zip_out] + dep_zips, |
| options.all_resources_zip_out) |
| |
| if options.R_dir: |
| build_utils.DeleteDirectory(options.R_dir) |
| shutil.copytree(gen_dir, options.R_dir) |
| else: |
| build_utils.ZipDir(options.srcjar_out, gen_dir) |
| |
| if options.depfile: |
| input_files += build_utils.GetPythonDependencies() |
| build_utils.WriteDepfile(options.depfile, input_files) |
| |
| if options.stamp: |
| build_utils.Touch(options.stamp) |
| |
| |
| if __name__ == '__main__': |
| main() |
