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#!/usr/bin/env python3
"""Increment release version and set to next development cycle in setup.py.
X.Y.Z (or X.Y.Z.devN) -> X.Y.(Z+1).dev0
"""
from __future__ import annotations
from pathlib import Path
import re
def main() -> None:
"""Increment release version and set to next development cycle in setup.py."""
project_root = Path(__file__).resolve().parents[1]
setup_path = project_root / "setup.py"
contents = setup_path.read_text(encoding="utf-8")
match = re.search(r'version="([^"]+)"', contents)
if not match:
raise SystemExit("version field not found in setup.py")
version = match.group(1)
base = re.sub(r"\.dev\d*$", "", version)
base_match = re.fullmatch(r"^(\d+)\.(\d+)\.(\d+)$", base)
if not base_match:
raise SystemExit(f"Unexpected base version format: {base}")
major, minor, patch = base_match.groups()
new_version = f"{major}.{minor}.{int(patch) + 1}.dev0"
new_contents = contents.replace(
f'version="{version}"', f'version="{new_version}"', 1
)
setup_path.write_text(new_contents, encoding="utf-8")
print(f"Updated version to {new_version}")
if __name__ == "__main__":
main()
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