xref: /aosp_15_r20/external/cronet/base/write_build_date_header.py (revision 6777b5387eb2ff775bb5750e3f5d96f37fb7352b)
1*6777b538SAndroid Build Coastguard Worker#!/usr/bin/env python3
2*6777b538SAndroid Build Coastguard Worker# Copyright 2016 The Chromium Authors
3*6777b538SAndroid Build Coastguard Worker# Use of this source code is governed by a BSD-style license that can be
4*6777b538SAndroid Build Coastguard Worker# found in the LICENSE file.
5*6777b538SAndroid Build Coastguard Worker"""Takes a timestamp and writes it in as readable text to a .h file."""
6*6777b538SAndroid Build Coastguard Worker
7*6777b538SAndroid Build Coastguard Workerimport argparse
8*6777b538SAndroid Build Coastguard Workerimport datetime
9*6777b538SAndroid Build Coastguard Workerimport os
10*6777b538SAndroid Build Coastguard Workerimport sys
11*6777b538SAndroid Build Coastguard Worker
12*6777b538SAndroid Build Coastguard Workerdef main():
13*6777b538SAndroid Build Coastguard Worker    argument_parser = argparse.ArgumentParser()
14*6777b538SAndroid Build Coastguard Worker    argument_parser.add_argument('output_file', help='The file to write to')
15*6777b538SAndroid Build Coastguard Worker    argument_parser.add_argument('timestamp')
16*6777b538SAndroid Build Coastguard Worker    args = argument_parser.parse_args()
17*6777b538SAndroid Build Coastguard Worker
18*6777b538SAndroid Build Coastguard Worker    date_val = int(args.timestamp)
19*6777b538SAndroid Build Coastguard Worker    date = datetime.datetime.fromtimestamp(date_val, tz=datetime.timezone.utc)
20*6777b538SAndroid Build Coastguard Worker    output = ('// Generated by //base/write_build_date_header.py\n'
21*6777b538SAndroid Build Coastguard Worker              '#ifndef BASE_GENERATED_BUILD_DATE_TIMESTAMP \n'
22*6777b538SAndroid Build Coastguard Worker              f'#define BASE_GENERATED_BUILD_DATE_TIMESTAMP {date_val}'
23*6777b538SAndroid Build Coastguard Worker              f'  // {date:%b %d %Y %H:%M:%S}\n'
24*6777b538SAndroid Build Coastguard Worker              '#endif  // BASE_GENERATED_BUILD_DATE_TIMESTAMP \n')
25*6777b538SAndroid Build Coastguard Worker
26*6777b538SAndroid Build Coastguard Worker    current_contents = ''
27*6777b538SAndroid Build Coastguard Worker    if os.path.isfile(args.output_file):
28*6777b538SAndroid Build Coastguard Worker        with open(args.output_file, 'r') as current_file:
29*6777b538SAndroid Build Coastguard Worker            current_contents = current_file.read()
30*6777b538SAndroid Build Coastguard Worker
31*6777b538SAndroid Build Coastguard Worker    if current_contents != output:
32*6777b538SAndroid Build Coastguard Worker        with open(args.output_file, 'w') as output_file:
33*6777b538SAndroid Build Coastguard Worker            output_file.write(output)
34*6777b538SAndroid Build Coastguard Worker    return 0
35*6777b538SAndroid Build Coastguard Worker
36*6777b538SAndroid Build Coastguard Workerif __name__ == '__main__':
37*6777b538SAndroid Build Coastguard Worker    sys.exit(main())
38