feat: switch from setup.cfg to pyproject.toml + hatchling

.gitignore

@@ -1,2 +1,4 @@
+*~
 *.pyc
+dist/
 tailbone_corepos.egg-info/

pyproject.toml

@@ -0,0 +1,50 @@
+
+[build-system]
+requires = ["hatchling"]
+build-backend = "hatchling.build"
+
+
+[project]
+name = "tailbone-corepos"
+version = "0.1.39"
+description = "Tailbone interfaces for CORE POS"
+readme = "README.rst"
+authors = [{name = "Lance Edgar", email = "lance@edbob.org"}]
+license = {text = "GNU GPL v3+"}
+classifiers = [
+        "Development Status :: 4 - Beta",
+        "Environment :: Web Environment",
+        "Intended Audience :: Developers",
+        "License :: OSI Approved :: GNU General Public License v3 or later (GPLv3+)",
+        "Natural Language :: English",
+        "Operating System :: OS Independent",
+        "Programming Language :: Python",
+        "Programming Language :: Python :: 3",
+        "Programming Language :: Python :: 3.5",
+        "Topic :: Office/Business",
+        "Topic :: Software Development :: Libraries :: Python Modules",
+]
+
+dependencies = [
+        "rattail",
+        "rattail-corepos",
+        "six",
+        "Tailbone",
+]
+
+
+[project.urls]
+Homepage = "https://redmine.rattailproject.org/projects/corepos-integration"
+Repository = "https://kallithea.rattailproject.org/rattail-project/tailbone-corepos"
+Issues = "https://redmine.rattailproject.org/projects/corepos-integration/issues"
+Changelog = "https://kallithea.rattailproject.org/rattail-project/tailbone-corepos/files/master/CHANGELOG.md"
+
+
+[project.entry-points."tailbone.providers"]
+tailbone_corepos = "tailbone_corepos.provider:TailboneCorePosProvider"
+
+
+[tool.commitizen]
+version_provider = "pep621"
+tag_format = "v$version"
+update_changelog_on_bump = true

setup.cfg

@@ -1,41 +0,0 @@
-# -*- coding: utf-8; -*-
-
-[metadata]
-name = tailbone-corepos
-version = attr: tailbone_corepos.__version__
-author = Lance Edgar
-author_email = lance@edbob.org
-url = https://rattailproject.org/
-license = GNU GPL v3
-description = Tailbone interfaces for CORE POS
-long_description = file: README.rst
-classifiers =
-        Development Status :: 4 - Beta
-        Environment :: Web Environment
-        Intended Audience :: Developers
-        License :: OSI Approved :: GNU General Public License v3 or later (GPLv3+)
-        Natural Language :: English
-        Operating System :: OS Independent
-        Programming Language :: Python
-        Programming Language :: Python :: 3
-        Programming Language :: Python :: 3.5
-        Topic :: Office/Business
-        Topic :: Software Development :: Libraries :: Python Modules
-
-
-[options]
-install_requires =
-        rattail
-        rattail-corepos
-        six
-        Tailbone
-
-packages = find:
-include_package_data = True
-zip_safe = False
-
-
-[options.entry_points]
-
-tailbone.providers =
-        tailbone_corepos = tailbone_corepos.provider:TailboneCorePosProvider

setup.py

@@ -1,26 +0,0 @@
-# -*- coding: utf-8; -*-
-################################################################################
-#
-#  Rattail -- Retail Software Framework
-#  Copyright © 2010-2023 Lance Edgar
-#
-#  This file is part of Rattail.
-#
-#  Rattail is free software: you can redistribute it and/or modify it under the
-#  terms of the GNU General Public License as published by the Free Software
-#  Foundation, either version 3 of the License, or (at your option) any later
-#  version.
-#
-#  Rattail is distributed in the hope that it will be useful, but WITHOUT ANY
-#  WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
-#  FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more
-#  details.
-#
-#  You should have received a copy of the GNU General Public License along with
-#  Rattail.  If not, see <http://www.gnu.org/licenses/>.
-#
-################################################################################
-
-from setuptools import setup
-
-setup()

tailbone_corepos/_version.py

@@ -1,3 +1,6 @@
 # -*- coding: utf-8; -*-
 
-__version__ = '0.1.39'
+from importlib.metadata import version
+
+
+__version__ = version('tailbone-corepos')

tasks.py

@@ -2,7 +2,7 @@
 ################################################################################
 #
 #  Rattail -- Retail Software Framework
-#  Copyright © 2010-2019 Lance Edgar
+#  Copyright © 2010-2024 Lance Edgar
 #
 #  This file is part of Rattail.
 #
@@ -25,13 +25,24 @@ Tasks for tailbone-corepos
 """
 
 import os
+import re
 import shutil
 
 from invoke import task
 
 
 here = os.path.abspath(os.path.dirname(__file__))
-exec(open(os.path.join(here, 'tailbone_corepos', '_version.py')).read())
+__version__ = None
+pattern = re.compile(r'^version = "(\d+\.\d+\.\d+)"$')
+with open(os.path.join(here, 'pyproject.toml'), 'rt') as f:
+    for line in f:
+        line = line.rstrip('\n')
+        match = pattern.match(line)
+        if match:
+            __version__ = match.group(1)
+            break
+if not __version__:
+    raise RuntimeError("could not parse version!")
 
 
 @task
@@ -39,6 +50,7 @@ def release(c):
     """
     Release a new version of 'tailbone-corepos'.
     """
+    if os.path.exists('tailbone_corepos.egg-info'):
         shutil.rmtree('tailbone_corepos.egg-info')
     c.run('python setup.py sdist --formats=gztar')
     filename = f'tailbone_corepos-{__version__}.tar.gz'