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#!/usr/bin/env python
"""
Check if the version number in the source is already present as a changelog header.
"""
import os
import re
import sys
if sys.version_info >= (3, 11):
import tomllib
else:
# Older Python versions
import tomli as tomllib
PATTERN_FORMAT = "^v{version}\\s+\\({date}\\)$"
CHANGELOG_D = os.path.dirname(__file__)
REPO_ROOT = os.path.dirname(CHANGELOG_D)
def parse_version():
with open(os.path.join(REPO_ROOT, "pyproject.toml"), "rb") as f:
pyproject = tomllib.load(f)
return pyproject["project"]["version"]
def get_header_re(version):
version = re.escape(version)
return PATTERN_FORMAT.format(version=version, date=r"\d{4}-\d{2}-\d{2}")
def changelog_has_version(version):
pattern = get_header_re(version)
with open(os.path.join(REPO_ROOT, "changelog.rst")) as f:
return bool(re.search(pattern, f.read(), flags=re.MULTILINE))
def main():
version = parse_version()
if changelog_has_version(version):
print(f"version {version} appears in the changelog already!")
sys.exit(1)
else:
print(f"version check OK ({version} is a new version number)")
sys.exit(0)
if __name__ == "__main__":
main()
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