Migrate setup configuration to pyproject.toml

Change-Id: Ib9be538f170b707fe049acd071727e554969f28e
Signed-off-by: Stephen Finucane <stephenfin@redhat.com>

pyproject.toml

@@ -1,3 +1,47 @@
 [build-system]
 requires = ["pbr>=6.1.1"]
 build-backend = "pbr.build"
+
+[project]
+name = "castellan"
+description = "Generic Key Manager interface for OpenStack"
+authors = [
+    {name = "OpenStack", email = "openstack-discuss@lists.openstack.org"},
+]
+readme = {file = "README.rst", content-type = "text/x-rst"}
+license = {text = "Apache-2.0"}
+dynamic = ["version", "dependencies"]
+requires-python = ">=3.10"
+classifiers = [
+  "Development Status :: 5 - Production/Stable",
+  "Environment :: Console",
+  "Intended Audience :: Developers",
+  "License :: OSI Approved :: Apache Software License",
+  "Operating System :: POSIX :: Linux",
+  "Programming Language :: Python",
+  "Programming Language :: Python :: 3",
+  "Programming Language :: Python :: 3.10",
+  "Programming Language :: Python :: 3.11",
+  "Programming Language :: Python :: 3.12",
+  "Programming Language :: Python :: 3.13",
+]
+
+[project.urls]
+Homepage = "https://docs.openstack.org/castellan/"
+Repository = "https://opendev.org/openstack/castellan/"
+
+[project.entry-points."oslo.config.opts"]
+"castellan.tests.functional.config" = "castellan.tests.functional.config:list_opts"
+"castellan.config" = "castellan.options:list_opts"
+
+[project.entry-points."oslo.config.driver"]
+castellan = "castellan._config_driver:CastellanConfigurationSourceDriver"
+
+[project.entry-points."castellan.drivers"]
+barbican = "castellan.key_manager.barbican_key_manager:BarbicanKeyManager"
+vault = "castellan.key_manager.vault_key_manager:VaultKeyManager"
+
+[tool.setuptools]
+packages = [
+    "castellan"
+]

setup.cfg

@@ -1,39 +1,2 @@
 [metadata]
 name = castellan
-summary = Generic Key Manager interface for OpenStack
-description_file =
-    README.rst
-author = OpenStack
-author_email = openstack-discuss@lists.openstack.org
-home_page = https://docs.openstack.org/castellan/latest/
-python_requires = >=3.10
-classifier =
-    Environment :: OpenStack
-    Intended Audience :: Information Technology
-    Intended Audience :: System Administrators
-    License :: OSI Approved :: Apache Software License
-    Operating System :: POSIX :: Linux
-    Programming Language :: Python
-    Programming Language :: Python :: 3
-    Programming Language :: Python :: 3.10
-    Programming Language :: Python :: 3.11
-    Programming Language :: Python :: 3.12
-    Programming Language :: Python :: 3.13
-    Programming Language :: Python :: 3 :: Only
-    Programming Language :: Python :: Implementation :: CPython
-
-[files]
-packages =
-    castellan
-
-[entry_points]
-oslo.config.opts =
-    castellan.tests.functional.config = castellan.tests.functional.config:list_opts
-    castellan.config = castellan.options:list_opts
-
-oslo.config.driver =
-    castellan = castellan._config_driver:CastellanConfigurationSourceDriver
-
-castellan.drivers =
-    barbican = castellan.key_manager.barbican_key_manager:BarbicanKeyManager
-    vault = castellan.key_manager.vault_key_manager:VaultKeyManager