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#!/usr/bin/env python
#
# Copyright 2015 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.
import argparse
import os
import sys
import tempfile
from util import build_utils
sys.path.append(os.path.abspath(os.path.join(
os.path.dirname(__file__), os.pardir)))
from pylib import constants
def main():
parser = argparse.ArgumentParser()
parser.add_argument('--android-sdk-tools', required=True,
help='Android sdk build tools directory.')
parser.add_argument('--main-dex-rules-path', action='append', default=[],
dest='main_dex_rules_paths',
help='A file containing a list of proguard rules to use '
'in determining the class to include in the '
'main dex.')
parser.add_argument('--main-dex-list-path', required=True,
help='The main dex list file to generate.')
parser.add_argument('paths', nargs='+',
help='JARs for which a main dex list should be '
'generated.')
args = parser.parse_args()
with open(args.main_dex_list_path, 'w') as main_dex_list_file:
shrinked_android_jar = os.path.abspath(
os.path.join(args.android_sdk_tools, 'lib', 'shrinkedAndroid.jar'))
dx_jar = os.path.abspath(
os.path.join(args.android_sdk_tools, 'lib', 'dx.jar'))
paths_arg = ':'.join(args.paths)
rules_file = os.path.abspath(
os.path.join(args.android_sdk_tools, 'mainDexClasses.rules'))
with tempfile.NamedTemporaryFile(suffix='.jar') as temp_jar:
proguard_cmd = [
constants.PROGUARD_SCRIPT_PATH,
'-forceprocessing',
'-dontwarn', '-dontoptimize', '-dontobfuscate', '-dontpreverify',
'-injars', paths_arg,
'-outjars', temp_jar.name,
'-libraryjars', shrinked_android_jar,
'-include', rules_file,
]
for m in args.main_dex_rules_paths:
proguard_cmd.extend(['-include', m])
main_dex_list = ''
try:
build_utils.CheckOutput(proguard_cmd)
java_cmd = [
'java', '-cp', dx_jar,
'com.android.multidex.MainDexListBuilder',
temp_jar.name, paths_arg
]
main_dex_list = build_utils.CheckOutput(java_cmd)
except build_utils.CalledProcessError as e:
if 'output jar is empty' in e.output:
pass
elif "input doesn't contain any classes" in e.output:
pass
else:
raise
main_dex_list_file.write(main_dex_list)
return 0
if __name__ == '__main__':
sys.exit(main())
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