sagemathgh-36561: pkgs/sage-conf: Move metadata from setup.cfg to…

… `pyproject.toml`

    
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- In part split out from sagemath#36489
- Part of sagemath#33577
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### ⌛ Dependencies

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- Depends on sagemath#36533 (which changes setup.cfg, merged here)
- Depends on sagemath#36885

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URL: sagemath#36561
Reported by: Matthias Köppe
Reviewer(s): François Bissey

.gitignore

@@ -193,6 +193,7 @@ build/bin/sage-build-env-config
 /pkgs/*/*.egg-info
 /pkgs/*/.tox
 
+/pkgs/sage-conf/pyproject.toml
 /pkgs/sage-conf_pypi/sage_root/config.log
 /pkgs/sage-conf_pypi/sage_root/config.status
 /pkgs/sage-conf_pypi/sage_root/local/

build/pkgs/sage_conf/bootstrap

@@ -0,0 +1 @@
+../sagelib/bootstrap

build/pkgs/sage_conf/dependencies

@@ -1 +1 @@
- $(SAGE_ROOT)/pkgs/sage-conf/_sage_conf/_conf.py $(SAGE_ROOT)/pkgs/sage-conf/setup.cfg $(SAGE_ROOT)/pkgs/sage-conf/bin/sage-env-config | $(PYTHON_TOOLCHAIN) $(PYTHON)
+ $(SAGE_ROOT)/pkgs/sage-conf/_sage_conf/_conf.py $(SAGE_ROOT)/pkgs/sage-conf/pyproject.toml $(SAGE_ROOT)/pkgs/sage-conf/bin/sage-env-config | $(PYTHON_TOOLCHAIN) $(PYTHON)

pkgs/sage-conf/.gitignore

@@ -1,4 +1,6 @@
 /_sage_conf/_conf.py
+/setup.cfg
+/pyproject.toml
 /build
 /dist
 /*.egg-info

pkgs/sage-conf/pyproject.toml.m4

@@ -0,0 +1,44 @@
+include(`sage_spkg_versions_toml.m4')dnl' -*- conf-toml -*-
+[build-system]
+requires = [
+    SPKG_INSTALL_REQUIRES_setuptools
+]
+build-backend = "setuptools.build_meta"
+
+[project]
+name = "sage-conf"
+description = "Sage: Open Source Mathematics Software: Configuration module for the SageMath library"
+readme = "README.rst"
+dnl Not including the standard metadata from pyproject_toml_metadata.m4
+dnl because sage-conf is GPL v3+.
+license = {text = "GNU General Public License (GPL) v3 or later"}
+authors = [{name = "The Sage Developers", email = "[email protected]"}]
+classifiers = [
+    "Development Status :: 6 - Mature",
+    "Intended Audience :: Education",
+    "Intended Audience :: Science/Research",
+    "License :: OSI Approved :: GNU General Public License v2 or later (GPLv2+)",
+    "Operating System :: POSIX",
+    "Operating System :: MacOS :: MacOS X",
+    "Programming Language :: Python :: 3 :: Only",
+    "Programming Language :: Python :: 3.9",
+    "Programming Language :: Python :: 3.10",
+    "Programming Language :: Python :: 3.11",
+    "Programming Language :: Python :: Implementation :: CPython",
+    "Topic :: Scientific/Engineering :: Mathematics",
+]
+urls = {Homepage = "https://www.sagemath.org"}
+requires-python = ">=3.9, <3.12"
+dynamic = ["version"]
+
+[project.scripts]
+sage-config = "sage_conf:_main"
+
+[tool.setuptools]
+packages = ["_sage_conf"]
+py-modules = ["sage_conf"]
+script-files = ["bin/sage-env-config"]
+include-package-data = false
+
+[tool.setuptools.dynamic]
+version = {file = ["VERSION.txt"]}