Migrate setup configuration to pyproject.toml

Change-Id: I1b92d4ef7b68a845f31438c8d3c769477c241021
Co-authored-by: Stephen Finucane <stephenfin@redhat.com>
Signed-off-by: Ivan Anfimov <lazekteam@gmail.com>

pyproject.toml

@@ -0,0 +1,32 @@
+[build-system]
+requires = ["pbr>=6.1.1"]
+build-backend = "pbr.build"
+
+[project]
+name = "zun-ui"
+description = "Zun UI for Horizon"
+authors = [
+    {name = "OpenStack", email = "openstack-discuss@lists.openstack.org"},
+]
+readme = {file = "README.rst", content-type = "text/x-rst"}
+license = "Apache-2.0"
+dynamic = ["version", "dependencies"]
+requires-python = ">=3.10"
+classifiers = [
+    "Environment :: OpenStack",
+    "Intended Audience :: Developers",
+    "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/zun-ui/latest/"
+Repository = "https://opendev.org/openstack/zun_ui"
+
+[tool.setuptools.packages.find]
+include = ["zun_ui"]

setup.cfg

@@ -1,26 +1,2 @@
 [metadata]
 name = zun-ui
-summary = Zun User Interface
-description_file =
-    README.rst
-author = OpenStack
-author_email = openstack-discuss@lists.openstack.org
-home_page = https://docs.openstack.org/zun-ui/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 :: Only
-    Programming Language :: Python :: 3
-    Programming Language :: Python :: 3.10
-    Programming Language :: Python :: 3.11
-    Programming Language :: Python :: 3.12
-    Programming Language :: Python :: 3.13
-
-[files]
-packages =
-    zun_ui

setup.py

@@ -13,17 +13,6 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-# THIS FILE IS MANAGED BY THE GLOBAL REQUIREMENTS REPO - DO NOT EDIT
 import setuptools
 
-# In python < 2.7.4, a lazy loading of package `pbr` will break
-# setuptools if some other modules registered functions in `atexit`.
-# solution from: http://bugs.python.org/issue15881#msg170215
-try:
-    import multiprocessing  # noqa
-except ImportError:
-    pass
-
-setuptools.setup(
-    setup_requires=['pbr>=3.1.1'],
-    pbr=True)
+setuptools.setup(pbr=True)