| #!/usr/bin/env python |
| # |
| # Copyright (C) 2011-2012 The Android Open Source Project |
| # |
| # Licensed under the Apache License, Version 2.0 (the "License"); |
| # you may not use this file except in compliance with the License. |
| # You may obtain a copy of the License at |
| # |
| # http://www.apache.org/licenses/LICENSE-2.0 |
| # |
| # Unless required by applicable law or agreed to in writing, software |
| # distributed under the License is distributed on an "AS IS" BASIS, |
| # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| # See the License for the specific language governing permissions and |
| # limitations under the License. |
| # |
| |
| import sys |
| |
| try: |
| import hashlib |
| sha1 = hashlib.sha1 |
| except ImportError, e: |
| import sha |
| sha1 = sha.sha |
| |
| def compute_sha1(h, path): |
| f = open(path, 'rb') |
| while True: |
| buf = f.read(1024) |
| h.update(buf) |
| if len(buf) < 1024: |
| break |
| f.close() |
| |
| def compute_sha1_list(path_list): |
| h = sha1() |
| for path in path_list: |
| compute_sha1(h, path) |
| return h.digest() |
| |
| def main(): |
| if len(sys.argv) < 2: |
| print 'USAGE:', sys.argv[0], '[OUTPUT] [INPUTs]' |
| sys.exit(1) |
| |
| f = open(sys.argv[1], 'wb') |
| f.write(compute_sha1_list(sys.argv[2:])) |
| f.close() |
| |
| if __name__ == '__main__': |
| main() |