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