Migrate to pyproject.toml

No need to define the package in two config files.

pyproject.toml

@@ -1,3 +1,57 @@
 [build-system]
-requires = ["setuptools", "wheel"]
-build-backend = "setuptools.build_meta"
+requires = ["setuptools"]
+build-backend = "setuptools.build_meta"
+
+[project]
+name = "pyp2spec"
+version = "0.9.0"
+description = "Generate a valid Fedora specfile from Python package from PyPI"
+readme = { file = "README.md", content-type = "text/markdown" }
+authors = [
+    { name = "Karolina Surma", email = "ksurma@redhat.com" }
+]
+license = { text = "MIT AND MIT-0" }
+requires-python = ">=3.9"
+classifiers = [
+    "Programming Language :: Python :: 3",
+    "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",
+    "Operating System :: POSIX :: Linux",
+    "License :: OSI Approved :: MIT License",
+    "License :: OSI Approved :: MIT No Attribution License (MIT-0)",
+    "Development Status :: 3 - Alpha"
+]
+
+dependencies = [
+    "click",
+    "jinja2",
+    "license-expression",
+    "packaging",
+    "requests",
+    'tomli; python_version < "3.11"',
+    "tomli-w"
+]
+
+[project.urls]
+homepage = "https://github.com/befeleme/pyp2spec/"
+
+[project.optional-dependencies]
+test = [
+    "pytest",
+    "pytest-regressions",
+    "betamax"
+]
+
+[project.scripts]
+pyp2spec = "pyp2spec.pyp2spec:main"
+conf2spec = "pyp2spec.conf2spec:main"
+pyp2conf = "pyp2spec.pyp2conf:main"
+
+[tool.setuptools.package-data]
+pyp2spec = [
+    "template.spec",
+    "classifiers_to_fedora.json"
+]

setup.cfg

@@ -1,53 +0,0 @@
-[metadata]
-name = pyp2spec
-version = 0.9.0
-author = Karolina Surma
-author_email = ksurma@redhat.com
-description = Generate a valid Fedora specfile from Python package from PyPI
-long_description = file: README.md
-long_description_content_type = text/markdown
-license = MIT, MIT-0
-license_files =
-    LICENSE-MIT
-    LICENSE-MIT-0
-url = https://github.com/befeleme/pyp2spec/
-classifiers =
-    Programming Language :: Python :: 3
-    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
-    Operating System :: POSIX :: Linux
-    License :: OSI Approved :: MIT License
-    License :: OSI Approved :: MIT No Attribution License (MIT-0)
-    Development Status :: 3 - Alpha
-[options]
-packages = find:
-python_requires = >=3.9
-install_requires =
-    click
-    jinja2
-    license-expression
-    packaging
-    requests
-    tomli;python_version<"3.11"
-    tomli-w
-include_package_data = True
-
-[options.package_data]
-pyp2spec =
-    template.spec
-    classifiers_to_fedora.json
-
-[options.extras_require]
-test =
-    pytest
-    pytest-regressions
-    betamax
-
-[options.entry_points]
-console_scripts =
-    pyp2spec = pyp2spec.pyp2spec:main
-    conf2spec = pyp2spec.conf2spec:main
-    pyp2conf = pyp2spec.pyp2conf:main