Use automated versioning with versioningit

Author: rhpvorderman

.github/release_checklist.md

@@ -2,9 +2,7 @@ Release checklist
 - [ ] Check outstanding issues on JIRA and Github.
 - [ ] Check [latest documentation](https://python-zlib-ng.readthedocs.io/en/latest/) looks fine.
 - [ ] Create a release branch.
-  - [ ] Set version to a stable number.
   - [ ] Change current development version in `CHANGELOG.rst` to stable version.
-  - [ ] Change the version in `__init__.py`
 - [ ] Merge the release branch into `main`.
 - [ ] Created an annotated tag with the stable version number. Include changes 
 from CHANGELOG.rst.

.gitignore

@@ -1,3 +1,5 @@
+src/zlib_ng/_version.py
+
 # Byte-compiled / optimized / DLL files
 __pycache__/
 *.py[cod]

pyproject.toml

@@ -1,3 +1,10 @@
 [build-system]
-requires = ["setuptools>=51", "wheel"]
+requires = ["setuptools>=64", "versioningit>=1.1.0"]
 build-backend = "setuptools.build_meta"
+
+[tool.versioningit.vcs]
+method="git"
+default-tag = "v0.0.0"
+
+[tool.versioningit.write]
+file = "src/zlib_ng/_version.py"

setup.py

@@ -16,6 +16,8 @@
 from setuptools import Extension, find_packages, setup
 from setuptools.command.build_ext import build_ext
 
+import versioningit
+
 ZLIB_NG_SOURCE = os.path.join("src", "zlib_ng", "zlib-ng")
 
 SYSTEM_IS_UNIX = (sys.platform.startswith("linux") or
@@ -124,7 +126,7 @@ def build_zlib_ng():
 
 setup(
     name="zlib-ng",
-    version="0.5.0-dev",
+    version=versioningit.get_version(),
     description="Drop-in replacement for zlib and gzip modules using zlib-ng",
     author="Leiden University Medical Center",
     author_email="r.h.p.vorderman@lumc.nl",  # A placeholder for now

src/zlib_ng/__init__.py

@@ -5,4 +5,4 @@
 # This file is part of python-zlib-ng which is distributed under the
 # PYTHON SOFTWARE FOUNDATION LICENSE VERSION 2.
 
-__version__ = "0.5.0-dev"
+from ._version import __version__

src/zlib_ng/_version.pyi

@@ -0,0 +1,8 @@
+# Copyright (c) 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010,
+# 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022
+# Python Software Foundation; All Rights Reserved
+
+# This file is part of python-zlib-ng which is distributed under the
+# PYTHON SOFTWARE FOUNDATION LICENSE VERSION 2.
+
+__version__: int