third_party.pigweed.src/pw_tls_client/generate_build_time_header.py
Yecheng Zhao 568e165ebd pw_tls_client: Add a build time backend
Implement a backend to facade pw_tls_client:time that uses build time
as the date time.

Change-Id: I5e2ed16198005c7e337e0cd8fcdeb08e977338c1
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/51044
Commit-Queue: Yecheng Zhao <zyecheng@google.com>
Reviewed-by: Ali Zhang <alizhang@google.com>
2021-06-25 23:06:37 +00:00

70 lines
2.2 KiB
Python

# Copyright 2021 The Pigweed Authors
#
# 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
#
# https://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.
"""Generate a header file for UTC time"""
import argparse
from datetime import datetime
import sys
HEADER = """// Copyright 2021 The Pigweed Authors
//
// 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
//
// https://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.
#include <stdint.h>
"""
def parse_args() -> None:
"""Setup argparse."""
parser = argparse.ArgumentParser()
parser.add_argument("out", help="path for output header file")
return parser.parse_args()
def main() -> int:
"""Main function"""
args = parse_args()
time_stamp = int(datetime.now().timestamp())
print(time_stamp)
with open(args.out, "w") as header:
print(args.out)
header.write(HEADER)
# Add a comment in the generated header to show readable build time
string_date = datetime.fromtimestamp(time_stamp).strftime(
"%m/%d/%Y %H:%M:%S")
header.write(f'// {string_date}\n')
# Write to the header.
header.write(''.join([
'constexpr uint64_t kBuildTimeMicrosecondsUTC = ',
f'{int(time_stamp * 1e6)};\n'
]))
return 0
if __name__ == "__main__":
sys.exit(main())