fix build for py312

.github/workflows/pypi-publish.yml

@@ -18,7 +18,7 @@ jobs:
     strategy:
       matrix:
         os: [windows-latest, ubuntu-latest, macos-latest]
-        python-version: ["3.8", "3.9", "3.10", "3.11"]
+        python-version: ["3.9", "3.10", "3.11", "3.12"]
 
     steps:
       - uses: actions/checkout@v4

.github/workflows/run-tests.yml

@@ -14,7 +14,7 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest, macos-latest, windows-latest]
-        python-version: ["3.8", "3.9", "3.10", "3.11"]
+        python-version: ["3.9", "3.10", "3.11", "3.12"]
 
     env:
       PYTHON_VERSION: ${{ matrix.python-version }}

build.py

@@ -1,11 +1,11 @@
 import os
 import shutil
 import sys
-from distutils.command import build_ext
-from distutils.core import Distribution, Extension
 
 # import pip
 from Cython.Build import cythonize
+from setuptools import Distribution, Extension
+from setuptools.command import build_ext
 
 
 def build() -> None:
@@ -46,9 +46,7 @@ def build() -> None:
         compiler_directives={"binding": True, "language_level": 3},
     )
 
-    distribution = Distribution(
-        {"name": "extended", "ext_modules": ext_modules}
-    )
+    distribution = Distribution({"name": "extended", "ext_modules": ext_modules})
     distribution.package_dir = "extended"  # type: ignore
 
     cmd = build_ext.build_ext(distribution)
@@ -57,7 +55,7 @@ def build() -> None:
     cmd.run()
 
     # Copy built extensions back to the project
-    for output in cmd.get_outputs():
+    for output in cmd.get_output_mapping():
         relative_extension = os.path.relpath(output, cmd.build_lib)
         shutil.copyfile(output, relative_extension)
         mode = os.stat(relative_extension).st_mode