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#!/usr/bin/env python
#
# Copyright 2013 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.
"""Signs and aligns an APK."""
import argparse
import shutil
import subprocess
import tempfile
def FinalizeApk(apksigner_path, zipalign_path, unsigned_apk_path,
final_apk_path, key_path, key_passwd, key_name):
# Use a tempfile so that Ctrl-C does not leave the file with a fresh mtime
# and a corrupted state.
with tempfile.NamedTemporaryFile() as staging_file:
# v2 signing requires that zipalign happen first.
subprocess.check_output([
zipalign_path, '-p', '-f', '4',
unsigned_apk_path, staging_file.name])
subprocess.check_output([
apksigner_path, 'sign',
'--in', staging_file.name,
'--out', staging_file.name,
'--ks', key_path,
'--ks-key-alias', key_name,
'--ks-pass', 'pass:' + key_passwd,
# Force SHA-1 (makes signing faster; insecure is fine for local builds).
'--min-sdk-version', '1',
])
shutil.move(staging_file.name, final_apk_path)
staging_file.delete = False
def main():
parser = argparse.ArgumentParser()
parser.add_argument('--apksigner-path', required=True,
help='Path to the apksigner executable.')
parser.add_argument('--zipalign-path', required=True,
help='Path to the zipalign executable.')
parser.add_argument('--unsigned-apk-path', required=True,
help='Path to input unsigned APK.')
parser.add_argument('--final-apk-path', required=True,
help='Path to output signed and aligned APK.')
parser.add_argument('--key-path', required=True,
help='Path to keystore for signing.')
parser.add_argument('--key-passwd', required=True,
help='Keystore password')
parser.add_argument('--key-name', required=True,
help='Keystore name')
options = parser.parse_args()
FinalizeApk(options.apksigner_path, options.zipalign_path,
options.unsigned_apk_path, options.final_apk_path,
options.key_path, options.key_passwd, options.key_name)
if __name__ == '__main__':
main()
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