1#
2# Copyright (c) 2020 Apple Inc. All rights reserved.
3#
4# Redistribution and use in source and binary forms, with or without
5# modification, are permitted provided that the following conditions
6# are met:
7# 1. Redistributions of source code must retain the above copyright
8# notice, this list of conditions and the following disclaimer.
9# 2. Redistributions in binary form must reproduce the above copyright
10# notice, this list of conditions and the following disclaimer in the
11# documentation and/or other materials provided with the distribution.
12#
13# THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
14# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
15# THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
17# BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
18# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
19# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
20# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
21# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
22# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
23# THE POSSIBILITY OF SUCH DAMAGE.
24
25import plistlib
26import sys
27
28
29def main(argv):
30 if len(argv) != 4:
31 print('Usage: ', argv[0], '<feature_flags_plist> <internal_feature_flags_plist> <output_plist>')
32 return 1
33
34 feature_flags_plist_path = argv[1]
35 internal_feature_flags_plist_path = argv[2]
36 output_plist_path = argv[3]
37
38 try:
39 with open(feature_flags_plist_path, 'rb') as feature_flags_file, open(internal_feature_flags_plist_path, 'rb') as internal_feature_flags_file:
40 feature_flags = plistlib.load(feature_flags_file)
41 internal_feature_flags = plistlib.load(internal_feature_flags_file)
42 for key in internal_feature_flags:
43 if key not in feature_flags:
44 print('Error!', key, 'does not exist in' + feature_flags_plist_path)
45 return 1
46
47 feature_flags[key].update(internal_feature_flags[key])
48
49 with open(output_plist_path, 'wb') as output_plist_file:
50 plistlib.dump(feature_flags, output_plist_file)
51 except IOError:
52 print('File read/write error! Please make sure file names', feature_flags_plist_path, 'and', internal_feature_flags_plist_path, 'are correct.')
53
54 return 0
55
56
57if __name__ == '__main__':
58 sys.exit(main(sys.argv))