zstd/build/meson/GetZstdLibraryVersion.py
2018-12-01 23:18:59 +07:00

46 lines
1.2 KiB
Python

#!/usr/bin/env python3
# #############################################################################
# Copyright (c) 2018-present lzutao <taolzu(at)gmail.com>
# All rights reserved.
#
# This source code is licensed under both the BSD-style license (found in the
# LICENSE file in the root directory of this source tree) and the GPLv2 (found
# in the COPYING file in the root directory of this source tree).
# #############################################################################
import re
import sys
def usage():
print('usage: python3 GetZstdLibraryVersion.py <path/to/zstd.h>')
sys.exit(1)
def find_version(filepath):
version_file_data = None
with open(filepath) as fd:
version_file_data = fd.read()
patterns = r"""#\s*define\s+ZSTD_VERSION_MAJOR\s+([0-9]+)
#\s*define\s+ZSTD_VERSION_MINOR\s+([0-9]+)
#\s*define\s+ZSTD_VERSION_RELEASE\s+([0-9]+)
"""
regex = re.compile(patterns, re.MULTILINE)
version_match = regex.search(version_file_data)
if version_match:
return version_match.groups()
raise RuntimeError("Unable to find version string.")
def main():
if len(sys.argv) < 2:
usage()
filepath = sys.argv[1]
version_tup = find_version(filepath)
print('.'.join(version_tup))
if __name__ == '__main__':
main()