naiveproxy/build/android/gyp/aar.py
2018-08-11 05:35:24 +00:00

136 lines
4.2 KiB
Python
Executable File

#!/usr/bin/env python
#
# Copyright 2016 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.
"""Processes an Android AAR file."""
import argparse
import os
import posixpath
import re
import shutil
import sys
from xml.etree import ElementTree
import zipfile
from util import build_utils
sys.path.append(os.path.abspath(os.path.join(os.path.dirname(__file__),
os.pardir, os.pardir)))
import gn_helpers
def _IsManifestEmpty(manifest_str):
"""Returns whether the given manifest has merge-worthy elements.
E.g.: <activity>, <service>, etc.
"""
doc = ElementTree.fromstring(manifest_str)
for node in doc:
if node.tag == 'application':
if len(node):
return False
elif node.tag != 'uses-sdk':
return False
return True
def _CreateInfo(aar_file):
data = {}
data['aidl'] = []
data['assets'] = []
data['resources'] = []
data['subjars'] = []
data['subjar_tuples'] = []
data['has_classes_jar'] = False
data['has_proguard_flags'] = False
data['has_native_libraries'] = False
data['has_r_text_file'] = False
with zipfile.ZipFile(aar_file) as z:
data['is_manifest_empty'] = (
_IsManifestEmpty(z.read('AndroidManifest.xml')))
for name in z.namelist():
if name.endswith('/'):
continue
if name.startswith('aidl/'):
data['aidl'].append(name)
elif name.startswith('res/'):
data['resources'].append(name)
elif name.startswith('libs/') and name.endswith('.jar'):
label = posixpath.basename(name)[:-4]
label = re.sub(r'[^a-zA-Z0-9._]', '_', label)
data['subjars'].append(name)
data['subjar_tuples'].append([label, name])
elif name.startswith('assets/'):
data['assets'].append(name)
elif name.startswith('jni/'):
data['has_native_libraries'] = True
elif name == 'classes.jar':
data['has_classes_jar'] = True
elif name == 'proguard.txt':
data['has_proguard_flags'] = True
elif name == 'R.txt':
# Some AARs, e.g. gvr_controller_java, have empty R.txt. Such AARs
# have no resources as well. We treat empty R.txt as having no R.txt.
data['has_r_text_file'] = (z.read('R.txt').strip() != '')
return """\
# Generated by //build/android/gyp/aar.py
# To regenerate, use "update_android_aar_prebuilts = true" and run "gn gen".
""" + gn_helpers.ToGNString(data)
def _AddCommonArgs(parser):
parser.add_argument('aar_file',
help='Path to the AAR file.',
type=os.path.normpath)
def main():
parser = argparse.ArgumentParser(description=__doc__)
command_parsers = parser.add_subparsers(dest='command')
subp = command_parsers.add_parser(
'list', help='Output a GN scope describing the contents of the .aar.')
_AddCommonArgs(subp)
subp.add_argument('--output',
help='Output file.',
type=argparse.FileType('w'),
default='-')
subp = command_parsers.add_parser('extract', help='Extracts the .aar')
_AddCommonArgs(subp)
subp.add_argument('--output-dir',
help='Output directory for the extracted files.',
required=True,
type=os.path.normpath)
subp.add_argument('--assert-info-file',
help='Path to .info file. Asserts that it matches what '
'"list" would output.',
type=argparse.FileType('r'))
args = parser.parse_args()
if args.command == 'extract':
if args.assert_info_file:
expected = _CreateInfo(args.aar_file)
actual = args.assert_info_file.read()
if actual != expected:
raise Exception('android_aar_prebuilt() cached .info file is '
'out-of-date. Run gn gen with '
'update_android_aar_prebuilts=true to update it.')
# Clear previously extracted versions of the AAR.
shutil.rmtree(args.output_dir, True)
build_utils.ExtractAll(args.aar_file, path=args.output_dir)
elif args.command == 'list':
args.output.write(_CreateInfo(args.aar_file))
if __name__ == '__main__':
sys.exit(main())