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#!/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 library resources to generate R.java and crunched images."""
import optparse
import os
import subprocess
from pylib import build_utils
def ParseArgs():
"""Parses command line options.
Returns:
An options object as from optparse.OptionsParser.parse_args()
"""
parser = optparse.OptionParser()
parser.add_option('--android-sdk', help='path to the Android SDK folder')
parser.add_option('--android-sdk-tools',
help='path to the Android SDK platform tools folder')
parser.add_option('--R-dir', help='directory to hold generated R.java')
parser.add_option('--res-dir', help='directory containing resources')
parser.add_option('--out-res-dir',
help='directory to hold crunched resources')
parser.add_option('--non-constant-id', action='store_true')
parser.add_option('--custom-package', help='Java package for R.java')
parser.add_option('--android-manifest', help='AndroidManifest.xml path')
parser.add_option('--stamp', help='File to touch on success')
# This is part of a temporary fix for crbug.com/177552.
# TODO(newt): remove this once crbug.com/177552 is fixed in ninja.
parser.add_option('--ignore', help='this argument is ignored')
(options, args) = parser.parse_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',
'R_dir', 'res_dir', 'out_res_dir')
for option_name in required_options:
if getattr(options, option_name) is None:
parser.error('--%s is required' % option_name.replace('_', '-'))
return options
def main():
options = ParseArgs()
android_jar = os.path.join(options.android_sdk, 'android.jar')
aapt = os.path.join(options.android_sdk_tools, 'aapt')
build_utils.MakeDirectory(options.R_dir)
# 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,
'-S', options.res_dir,
'--auto-add-overlay',
'-I', android_jar,
'--output-text-symbols', options.R_dir,
'-J', options.R_dir]
# If strings.xml was generated from a grd file, it will be in out_res_dir.
if os.path.isdir(options.out_res_dir):
package_command += ['-S', options.out_res_dir]
if options.non_constant_id:
package_command.append('--non-constant-id')
if options.custom_package:
package_command += ['--custom-package', options.custom_package]
subprocess.check_call(package_command)
# Crunch image resources. This shrinks png files and is necessary for 9-patch
# images to display correctly.
subprocess.check_call([aapt,
'crunch',
'-S', options.res_dir,
'-C', options.out_res_dir])
build_utils.Touch(options.stamp)
if __name__ == '__main__':
main()
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