packaging: upgrade to pyproject.toml

Replace setup.py with pyproject.toml, aligning with PEP 518
recommendations for declarative packaging configuration. This enables
modern build tools (e.g., uv, poetry) for local dev environments.

Signed-off-by: Michael Adler <michael.adler@siemens.com>
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>

MANIFEST.in

@@ -0,0 +1,5 @@
+# The following folders are excluded to prevent setuptools' package
+# auto-discovery from adding the *.py files in these folders to the sdist
+# tarball
+exclude scripts
+exclude docs

pyproject.toml

@@ -1,10 +1,84 @@
+# kas - setup tool for bitbake based projects
+#
+# Copyright (c) Siemens AG, 2021-2025
+#
+# Permission is hereby granted, free of charge, to any person obtaining a copy
+# of this software and associated documentation files (the "Software"), to deal
+# in the Software without restriction, including without limitation the rights
+# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+# copies of the Software, and to permit persons to whom the Software is
+# furnished to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice shall be
+# included in all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+# SOFTWARE.
+
 [build-system]
-requires = ["setuptools>=40.5.0", "wheel"]
+build-backend = "setuptools.build_meta"
+
+requires = [ "setuptools>=40.5", "wheel" ]
+
+[project]
+name = "kas"
+description = "Setup tool for bitbake based projects"
+readme = "README.rst"
+keywords = [ "OpenEmbedded bitbake development" ]
+license = { text = "MIT" }
+maintainers = [
+  { name = "Jan Kiszka", email = "jan.kiszka@siemens.com" },
+]
+requires-python = ">=3.6"
+classifiers = [
+  "Development Status :: 5 - Production/Stable",
+  "Intended Audience :: Developers",
+  "License :: OSI Approved :: MIT License",
+  "Programming Language :: Python :: 3 :: Only",
+  "Programming Language :: Python :: 3.6",
+  "Programming Language :: Python :: 3.7",
+  "Programming Language :: Python :: 3.8",
+  "Programming Language :: Python :: 3.9",
+  "Programming Language :: Python :: 3.10",
+  "Programming Language :: Python :: 3.11",
+  "Programming Language :: Python :: 3.12",
+  "Programming Language :: Python :: 3.13",
+  "Topic :: Software Development :: Build Tools",
+]
+dynamic = [ "version" ]
+dependencies = [
+  "cached-property>=1,<2; python_version<'3.8'",
+  "distro>=1,<2",
+  "gitpython>=3.1,<4",
+  "jsonschema>=2.5,<5",
+  "kconfiglib>=14.1,<15",
+  "pyyaml>=3,<7",
+]
+
+urls.Documentation = "https://kas.readthedocs.io/"
+urls.Homepage = "https://github.com/siemens/kas"
+urls.Repository = "https://github.com/siemens/kas.git"
+scripts.kas = "kas.kas:main"
+
+[tool.poetry]
+version = "1.0"
+
+[tool.setuptools]
+package-data = { "kas" = [ "*.json" ] }
+script-files = [ "kas-container" ]
+
+[tool.setuptools.packages.find]
+namespaces = false
 
 [tool.pytest.ini_options]
 markers = [
-    "online: tests requiring internet access"
+  "online: tests requiring internet access",
 ]
 filterwarnings = [
-    "error"
+  "error",
 ]

scripts/release.sh

@@ -41,7 +41,7 @@ git commit -m "Release $NEW_VERSION"
 git tag -s -m "Release $NEW_VERSION" "$NEW_VERSION"
 git push --follow-tags
 
-python3 setup.py sdist
+python3 -m build --sdist
 twine upload -s -r pypi "dist/kas-$NEW_VERSION.tar.gz"
 
 authors=$(git shortlog -s "$OLD_VERSION".."$NEW_VERSION" | cut -c8- | paste -s -d, - | sed -e 's/,/, /g')

setup.py

@@ -23,79 +23,18 @@
     Setup script for kas, a setup tool for bitbake based projects
 """
 
-from os import path
-from setuptools import setup, find_packages
+import sys
+sys.path.append('.')
+
+from setuptools import setup
 
 from kas import __version__
 
 __license__ = 'MIT'
 __copyright__ = 'Copyright (c) Siemens AG, 2017-2019'
 
-HERE = path.abspath(path.dirname(__file__))
-with open(path.join(HERE, 'README.rst')) as f:
-    LONG_DESCRIPTION = f.read()
-
-
 setup(
-    name='kas',
     version=__version__,
-
-    scripts=['kas-container'],
-
-    description='Setup tool for bitbake based projects',
-    long_description=LONG_DESCRIPTION,
-
-    maintainer='Jan Kiszka',
-    maintainer_email='jan.kiszka@siemens.com',
-
-    url='https://github.com/siemens/kas',
     download_url=('https://github.com/siemens/'
                   f'kas/archive/{__version__}.tar.gz'),
-
-    license='MIT',
-
-    # See https://pypi.python.org/pypi?%3Aaction=list_classifiers
-    classifiers=[
-        'Development Status :: 5 - Production/Stable',
-
-        # Indicate who your project is intended for
-        'Intended Audience :: Developers',
-        'Topic :: Software Development :: Build Tools',
-
-        # Pick your license as you wish (should match "license" above)
-        'License :: OSI Approved :: MIT License',
-
-        'Programming Language :: Python :: 3',
-        'Programming Language :: Python :: 3.6',
-        'Programming Language :: Python :: 3.7',
-        'Programming Language :: Python :: 3.8',
-        'Programming Language :: Python :: 3.9',
-        'Programming Language :: Python :: 3.10',
-        'Programming Language :: Python :: 3.11',
-        'Programming Language :: Python :: 3.12',
-        'Programming Language :: Python :: 3.13',
-    ],
-    keywords='OpenEmbedded bitbake development',
-
-    packages=find_packages(),
-
-    package_data={'kas': ['*.json']},
-
-    entry_points={
-        'console_scripts': [
-            'kas=kas.kas:main',
-        ],
-    },
-
-    install_requires=[
-        'PyYAML>=3.0,<7',
-        'distro>=1.0.0,<2',
-        'jsonschema>=2.5.0,<5',
-        'kconfiglib>=14.1.0,<15',
-        'GitPython>=3.1.0,<4',
-        "cached-property>=1.0,<2; python_version<'3.8'"
-    ],
-
-    # At least python 3.6 is needed by now:
-    python_requires='>=3.6',
 )