Initial attempt.

.gitattributes

@@ -1 +1,3 @@
 uarray/_version.py export-subst
+# GitHub syntax highlighting
+pixi.lock linguist-language=YAML linguist-generated=true

.github/workflows/build.yaml

@@ -23,13 +23,13 @@ jobs:
         os: [ubuntu-latest, windows-latest, macos-latest]
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           fetch-depth: 0
 
       - name: Build wheels
-        uses: pypa/cibuildwheel@v2.8.0
-      - uses: actions/upload-artifact@v3
+        uses: pypa/cibuildwheel@v2.20.0
+      - uses: actions/upload-artifact@v4
         with:
           name: Wheels
           path: ./wheelhouse/*.whl
@@ -38,13 +38,13 @@ jobs:
     name: Documentation, Linting and Coverage
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           fetch-depth: 0
-      - uses: actions/setup-python@v2
+      - uses: actions/setup-python@v5
         with:
           # Update according to NEP-29
-          python-version: '3.8'
+          python-version: '3.10'
           cache: 'pip'
       - name: Install package
         run: |
@@ -56,7 +56,7 @@ jobs:
         run: |
           doc8
       - name: Upload documentation
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           name: Documentation
           path: _build/html
@@ -67,12 +67,12 @@ jobs:
         run: |
           mypy uarray
       - name: Run clang-format style check for C/C++ code.
-        uses: jidicula/clang-format-action@v4.3.1
+        uses: jidicula/clang-format-action@v4.13.0
         with:
           clang-format-version: '13'
           check-path: 'uarray'
       - name: Upload coverage to Codecov
-        uses: codecov/codecov-action@v2
+        uses: codecov/codecov-action@v4
         with:
           directory: 'coverage/coverage*.xml'
           env_vars: OS,PYTHON
@@ -83,12 +83,12 @@ jobs:
     name: Tests for PyPy3
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           fetch-depth: 0
-      - uses: actions/setup-python@v2
+      - uses: actions/setup-python@v5
         with:
-          python-version: 'pypy-3.8'
+          python-version: 'pypy-3.10'
           cache: 'pip'
       - name: Install package
         run: |
@@ -101,11 +101,11 @@ jobs:
     name: Run SciPy FFT tests
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
-      - uses: actions/setup-python@v2
+      - uses: actions/checkout@v4
+      - uses: actions/setup-python@v5
         with:
           # Update according to NEP-29
-          python-version: '3.8'
+          python-version: '3.10'
           cache: 'pip'
       - name: Install package
         run: |

.gitignore

@@ -23,5 +23,8 @@ sandbox.py
 *.so
 build/
 default.profraw
-uarray/_version.py
+src/uarray/_version.py
 *.pyd
+# pixi environments
+.pixi
+*.egg-info

pyproject.toml

@@ -1,28 +1,103 @@
 [build-system]
-requires = ["setuptools>=45", "wheel", "setuptools_scm[toml]>=6.2"]
+requires = ["scikit-build-core", "setuptools_scm>=8"]
+build-backend = "scikit_build_core.setuptools.build_meta"
 
-[tool.black]
-exclude = 'uarray/_version.py'
+[project]
+name = "uarray"
+dynamic = ["version"]
+description = "Array interface object for Python with pluggable backends and a multiple-dispatch mechanism for defining down-stream functions"
+readme = "README.md"
+dependencies = []
+maintainers = [{ name = "Hameer Abbasi", email = "[email protected]" }]
+requires-python = ">=3.10"
+license = { file = "LICENSE" }
+keywords = ["uarray", "scipy", "multiple-dispatch"]
+classifiers = [
+    "Development Status :: 2 - Pre-Alpha",
+    "Operating System :: OS Independent",
+    "License :: OSI Approved :: BSD License",
+    "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",
+    "Intended Audience :: Developers",
+    "Intended Audience :: Science/Research",
+    "Typing :: Typed",
+]
 
 [tool.setuptools_scm]
-write_to = "uarray/_version.py"
+version_file = "src/uarray/_version.py"
+
+[tool.scikit-build]
+wheel.packages = ["src/uarray"]
+metadata.version.provider = "scikit_build_core.metadata.setuptools_scm"
+sdist.include = ["src/package/_version.py"]
+
+[project.urls]
+Documentation = "https://uarray.org/"
+Source = "https://github.com/Quansight-Labs/uarray/"
+Repository = "https://github.com/Quansight-Labs/uarray.git"
+"Issue Tracker" = "https://github.com/Quansight-Labs/uarray/issues"
+
+[project.optional-dependencies]
+docs = [
+    "sphinx",
+    "sphinx_rtd_theme",
+    "doc8",
+]
+tests = [
+    "pytest>=3.5",
+    "pytest-flake8",
+    "pytest-cov",
+    "mypy>=0.930",
+]
+optional = []
+all = [
+    "uarray[docs]",
+    "uarray[tests]",
+    "uarray[optional]",
+]
 
 [tool.mypy]
 show_error_codes = true
 no_implicit_reexport = true
 disallow_any_unimported = true
 
 [[tool.mypy.overrides]]
-module = [
-    "pytest_black.*",
-]
 ignore_missing_imports = true
 disallow_any_unimported = false
 
 [tool.cibuildwheel]
-build = "{cp3{8..10}-*,pp3{8..9}-*}"
+build = "{cp3{10..13}-*,pp310-*}"
 build-frontend = "build"
+free-threaded-support = true
 test-command = "pip install -r {project}/requirements/tests.txt && pytest --pyargs uarray"
 
 [tool.cibuildwheel.macos]
-archs = ["x86_64", "universal2"]
+archs = ["universal2"]
+
+[tool.cibuildwheel.config-settings]
+"cmake.verbose" = true
+"logging.level" = "INFO"
+
+[tool.pixi.project]
+channels = ["conda-forge"]
+platforms = ["osx-arm64"]
+
+[tool.pixi.feature.all.dependencies]
+pip = "*"
+
+[tool.pixi.pypi-dependencies]
+uarray = { path = "." }
+
+[tool.pixi.environments]
+default = { solve-group = "default" }
+all = { features = ["all", "docs", "tests", "optional"], solve-group = "default" }
+docs = { features = ["docs"], solve-group = "default" }
+optional = { features = ["optional"], solve-group = "default" }
+tests = { features = ["tests"], solve-group = "default" }
+
+[tool.pixi.tasks]

requirements/tests.txt

@@ -1,5 +1,4 @@
 pytest>=3.5
 pytest-flake8
 pytest-cov
-pytest-black; platform_python_implementation == 'CPython'
 mypy>=0.930

setup.py

@@ -1,103 +1,3 @@
-#!/usr/bin/env python
+from setuptools import setup
 
-from setuptools import setup, find_packages, Extension
-from setuptools.command.build_ext import build_ext
-from pathlib import Path
-import sys
-import os
-from typing import List
-
-cwd = Path(os.path.dirname(os.path.abspath(__file__)))
-
-
-def open_reqs_file(file, reqs_path=Path(cwd)):
-    with (reqs_path / file).open() as f:
-        reqs = list(f.read().strip().split("\n"))
-
-    i = 0
-    while i < len(reqs):
-        if reqs[i].startswith("-r"):
-            reqs[i : i + 1] = open_reqs_file(reqs[i][2:].strip(), reqs_path=reqs_path)
-        else:
-            i += 1
-
-    return reqs
-
-
-extras_require = {}
-reqs = []  # type: List[str]
-
-
-def parse_requires():
-    reqs_path = cwd / "requirements"
-    reqs.extend(open_reqs_file("requirements.txt"))
-
-    for f in reqs_path.iterdir():
-        extras_require[f.stem] = open_reqs_file(f.parts[-1], reqs_path=reqs_path)
-
-
-parse_requires()
-
-with open("README.md") as f:
-    long_desc = f.read()
-
-
-class build_cpp11_ext(build_ext):
-    def build_extension(self, ext):
-        cc = self.compiler
-        if cc.compiler_type == "unix":
-            ext.extra_compile_args.append("--std=c++11")
-        if self.plat_name.startswith("macosx"):
-            ext.extra_compile_args.append("-mmacosx-version-min=10.9")
-            ext.extra_link_args.append("-mmacosx-version-min=10.9")
-        build_ext.build_extension(self, ext)
-
-
-extensions = [
-    Extension(
-        "uarray._uarray",
-        sources=["uarray/_uarray_dispatch.cxx", "uarray/vectorcall.cxx"],
-        depends=["uarray/small_dynamic_array.h", "uarray/vectorcall.h"],
-        language="c++",
-    )
-]
-
-setup(
-    name="uarray",
-    cmdclass={"build_ext": build_cpp11_ext},
-    description="Array interface object for Python with pluggable backends and a multiple-dispatch"
-    "mechanism for defining down-stream functions",
-    url="https://github.com/Quansight-Labs/uarray/",
-    maintainer="Hameer Abbasi",
-    maintainer_email="[email protected]",
-    license="BSD 3-Clause License (Revised)",
-    keywords="uarray,numpy,scipy,pytorch,cupy,tensorflow",
-    packages=find_packages(include=["uarray", "uarray.*"]),
-    long_description=long_desc,
-    long_description_content_type="text/markdown",
-    install_requires=reqs,
-    extras_require=extras_require,
-    zip_safe=False,
-    classifiers=[
-        "Development Status :: 2 - Pre-Alpha",
-        "Operating System :: OS Independent",
-        "License :: OSI Approved :: BSD License",
-        "Programming Language :: Python",
-        "Programming Language :: Python :: 3",
-        "Programming Language :: Python :: 3.8",
-        "Programming Language :: Python :: 3.9",
-        "Programming Language :: Python :: 3.10",
-        "Programming Language :: Python :: 3 :: Only",
-        "Intended Audience :: Developers",
-        "Intended Audience :: Science/Research",
-        "Typing :: Typed",
-    ],
-    package_data={"uarray": ["*.pyi", "py.typed"]},
-    project_urls={
-        "Documentation": "https://uarray.org/",
-        "Source": "https://github.com/Quansight-Labs/uarray/",
-        "Tracker": "https://github.com/Quansight-Labs/uarray/issues",
-    },
-    python_requires=">=3.8, <4",
-    ext_modules=extensions,
-)
+setup(cmake_source_dir="./src")

src/CMakeLists.txt

@@ -0,0 +1,13 @@
+cmake_minimum_required(VERSION 3.15...3.30)
+project(${SKBUILD_PROJECT_NAME} LANGUAGES CXX)
+
+find_package(Python COMPONENTS Interpreter Development.Module REQUIRED)
+
+Python_add_library(_uarray MODULE
+    small_dynamic_array.h
+    vectorcall.h
+    vectorcall.cxx
+    _uarray_dispatch.cxx
+WITH_SOABI)
+set_property(TARGET _uarray PROPERTY CXX_STANDARD 11)
+install(TARGETS _uarray LIBRARY DESTINATION uarray)