UpdateContents.py

   1 #!/usr/bin/python
   2
   3 # Copyright (C) 2015 Apple Inc.  All rights reserved.
   4 #
   5 # Redistribution and use in source and binary forms, with or without
   6 # modification, are permitted provided that the following conditions
   7 # are met:
   8 #
   9 # 1.  Redistributions of source code must retain the above copyright
  10 #     notice, this list of conditions and the following disclaimer.
  11 # 2.  Redistributions in binary form must reproduce the above copyright
  12 #     notice, this list of conditions and the following disclaimer in the
  13 #     documentation and/or other materials provided with the distribution.
  14 # 3.  Neither the name of Apple puter, Inc. ("Apple") nor the names of
  15 #     its contributors may be used to endorse or promote products derived
  16 #     from this software without specific prior written permission.
  17 #
  18 # THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
  19 # EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
  20 # WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  21 # DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
  22 # DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
  23 # (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  24 # LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
  25 # ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  26 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  27 # THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  28
  29 import sys
  30 import os
  31
  32 assert(len(sys.argv) == 3)
  33
  34 comp = sys.argv[1]
  35 filename = sys.argv[2]
  36
  37 t = False
  38
  39 if os.path.isfile(filename):
  40     f = open(filename, 'r')
  41     comparator = f.read()
  42     f.close()
  43     t = True
  44
  45 if (not t or comp != comparator):
  46     f = open(filename, 'w')
  47     f.write(comp)
  48     f.close()