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#!/usr/bin/env python3
import re
import sys
import os.path
from optparse import OptionParser
VERSION_FILE_PATH = "VERSION.cmake"
def parse(root_dir):
path = os.path.join(root_dir, VERSION_FILE_PATH)
if not os.path.exists(path):
print("File {path} doesn't exist".format(path=path))
return None
content = open(path, "r").read()
ver = {}
ver['major'] = re.search(r'SET\s*\(CR_MAJOR\s+"(\d+)"', content).group(1)
ver['minor'] = re.search(r'SET\s*\(CR_MINOR\s+"(\d+)"', content).group(1)
ver['patch'] = re.search(r'SET\s*\(CR_PATCH\s+"(\d+)"', content).group(1)
return ver
if __name__ == "__main__":
parser = OptionParser("usage: %prog <project_root_dir> [--major|--minor|--patch]")
parser.add_option("--major", action="store_true", help="Return major version")
parser.add_option("--minor", action="store_true", help="Return minor version")
parser.add_option("--patch", action="store_true", help="Return patch version")
options, args = parser.parse_args()
if len(args) != 1:
parser.error("Must specify a project root directory")
path = args[0]
if not os.path.isdir(path):
parser.error("Directory {path} doesn't exist".format(path=path))
ver = parse(path)
if ver is None:
sys.exit(1)
if options.major:
print(ver['major'])
elif options.minor:
print(ver['minor'])
elif options.patch:
print(ver['patch'])
else:
print("{major}.{minor}.{patch}".format(**ver))
sys.exit(0)
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