Migrate from setup.py to pyproject.toml.

Author: whitequark

.git_archival.txt

@@ -0,0 +1,4 @@
+node: $Format:%H$
+node-date: $Format:%cI$
+describe-name: $Format:%(describe:tags=true,match=*[0-9]*)$
+ref-names: $Format:%D$

.gitattributes

@@ -0,0 +1 @@
+.git_archival.txt export-subst

LICENSE.txt

@@ -1,4 +1,4 @@
-Copyright (C) 2019-2021 Amaranth HDL contributors
+Copyright (C) 2019-2023 Amaranth HDL contributors
 
 Redistribution and use in source and binary forms, with or without modification,
 are permitted provided that the following conditions are met:

pyproject.toml

@@ -0,0 +1,23 @@
+[build-system]
+requires = ["wheel", "setuptools~=67.0", "setuptools_scm[toml]>=6.2"]
+build-backend = "setuptools.build_meta"
+
+[project]
+dynamic = ["version"]
+
+name = "amaranth-boards"
+description = "Board and connector definitions for Amaranth HDL"
+authors = [{name = "Amaranth HDL contributors"}]
+license = {file = "LICENSE.txt"}
+
+dependencies = [
+  "importlib_metadata; python_version<'3.8'",
+  "amaranth>=0.2,<0.5",
+]
+
+[project.urls]
+"Source Code" = "https://github.com/amaranth-lang/amaranth-boards"
+"Bug Tracker" = "https://github.com/amaranth-lang/amaranth-boards/issues"
+
+[tool.setuptools_scm]
+local_scheme = "node-and-timestamp"

setup.py

@@ -1,32 +1,4 @@
-from setuptools import setup, find_packages
+from setuptools import setup
 
 
-def scm_version():
-    def local_scheme(version):
-        return version.format_choice("+{node}", "+{node}.dirty")
-    return {
-        "relative_to": __file__,
-        "version_scheme": "guess-next-dev",
-        "local_scheme": local_scheme,
-    }
-
-
-setup(
-    name="amaranth-boards",
-    use_scm_version=scm_version(),
-    author="whitequark",
-    author_email="[email protected]",
-    description="Board and connector definitions for Amaranth HDL",
-    #long_description="""TODO""",
-    license="BSD",
-    setup_requires=["wheel", "setuptools", "setuptools_scm"],
-    install_requires=[
-        "amaranth>=0.2,<0.5",
-        "importlib_metadata; python_version<'3.8'",
-    ],
-    packages=find_packages(),
-    project_urls={
-        "Source Code": "https://github.com/amaranth-lang/amaranth-boards",
-        "Bug Tracker": "https://github.com/amaranth-lang/amaranth-boards/issues",
-    },
-)
+setup()