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#!/usr/bin/env python
# Copyright 2016 The Chromium Authors
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
"""Create tarball of differences."""
import argparse
import json
import os
import shutil
import sys
import tarfile
import tempfile
def CreateArchive(first, second, input_files, output_file):
"""Create archive of input files to output_dir.
Args:
first: the first build directory.
second: the second build directory.
input_files: list of input files to be archived.
output_file: an output file.
"""
with tarfile.open(name=output_file, mode='w:gz') as tf:
for f in input_files:
tf.add(os.path.join(first, f))
tf.add(os.path.join(second, f))
def main():
parser = argparse.ArgumentParser()
parser.add_argument('-f', '--first-build-dir',
help='The first build directory')
parser.add_argument('-s', '--second-build-dir',
help='The second build directory')
parser.add_argument('--json-input',
help='JSON file to specify list of files to archive.')
parser.add_argument('--output', help='output filename.')
args = parser.parse_args()
if not args.first_build_dir:
parser.error('--first-build-dir is required')
if not args.second_build_dir:
parser.error('--second-build-dir is required')
if not args.json_input:
parser.error('--json-input is required')
if not args.output:
parser.error('--output is required')
with open(args.json_input) as f:
input_files = json.load(f)
CreateArchive(args.first_build_dir, args.second_build_dir, input_files,
args.output)
if __name__ == '__main__':
sys.exit(main())
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