Merge pull request #14 from jaqx0r/pyproject

build: Single-source the release version from git.

.github/workflows/ci.yml

@@ -1,17 +1,40 @@
 name: CI
-on: [push, pull_request]
+on:
+  push:
+    tags:
+      - v*
+    branches:
+      - main
+  pull_request:
+
+permissions:
+  # none-all, which doesn't exist, but
+  # https://docs.github.com/en/actions/reference/authentication-in-a-workflow#using-the-github_token-in-a-workflow
+  # implies that the token still gets created, and
+  # https://docs.github.com/en/actions/security-guides/automatic-token-authentication#permissions-for-the-github_token
+  # shows what the default permissions are, which are more than `none`.
+  # Elsewhere we learn that any permission not mentioned here gets turned to
+  # `none`.  So setting a single permission to none causes all to be `none`.
+  actions: none
+
 jobs:
   test:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v2
-      - uses: actions/setup-python@v2
+        with:
+          fetch-depth: 0 # get all tags
+      - uses: actions/setup-python@v4
         with:
           python-version: '3.x'
       - name: install dependencies
-        run: sudo apt-get install -y libmad0-dev
-      - name: build
         run: |
-          python config_unix.py
-          python setup.py build
-          python -m compileall -f .
+          sudo apt-get install -y libmad0-dev
+          python -m pip install --upgrade pip
+          python -m pip install --upgrade pytest
+      - name: install
+        run: |
+          python -m pip install .
+      - name: test
+        run: |
+          pytest

pyproject.toml

@@ -0,0 +1,19 @@
+[build-system]
+requires = ["setuptools>=45", "setuptools_scm[toml]>=6.2"]
+
+[project]
+name = "pymad"
+dynamic = ["version"]
+description = "A wrapper for the MAD (mpeg audio decoder) library."
+authors = [
+  {name="Jamie Wilkinson",email="jaq@spacepants.org"},
+]
+readme = "README.md"
+license = {text = "GPL-2.0"}
+
+[project.urls]
+Homepage = "https://spacepants.org/src/pymad"
+Repository = "https://github.com/jaqx0r/pymad"
+
+[tool.setuptools_scm]
+tag_regex = '^version/(?P<version>[^\+]+)(?P<suffix>.*)?$'

setup.py

@@ -2,34 +2,28 @@
 
 """Setup script for the MAD module distribution."""
 
-import os
-import re
-import sys
-
 from distutils.core import setup
 from distutils.extension import Extension
+from setuptools_scm import get_version
 
-VERSION_MAJOR = 0
-VERSION_MINOR = 10
-PYMAD_VERSION = str(VERSION_MAJOR) + '.' + str(VERSION_MINOR)
-
+scm_kwargs = {
+    # Must be in sync with pyproject.toml.
+    "tag_regex": r"^version/(?P<version>[^\+]+)(?P<suffix>.*)?$",
+}
 
-DEFINES = [('VERSION_MAJOR', VERSION_MAJOR),
-           ('VERSION_MINOR', VERSION_MINOR),
-           ('VERSION', '"%s"' % PYMAD_VERSION)]
+version = get_version(**scm_kwargs)
 
 MADMODULE = Extension(
-    name='mad',
-    sources=['src/madmodule.c', 'src/pymadfile.c', 'src/xing.c'],
-    define_macros=DEFINES,
-    libraries=['mad'])
-
-setup(  # Distribution metadata
-    name='pymad',
-    version=PYMAD_VERSION,
-    description='A wrapper for the MAD libraries.',
-    author='Jamie Wilkinson',
-    author_email='jaq@spacepants.org',
-    url='http://spacepants.org/src/pymad/',
-    license='GPL',
-    ext_modules=[MADMODULE])
+    name="mad",
+    sources=["src/madmodule.c", "src/pymadfile.c", "src/xing.c"],
+    define_macros=[
+        ("VERSION", '"{}"'.format(version)),
+    ],
+    libraries=["mad"],
+)
+
+setup(
+    version=version,
+    ext_modules=[MADMODULE],
+    use_scm_version=scm_kwargs,
+)

tests/test_import.py

@@ -0,0 +1,16 @@
+import os
+import sys
+
+sys.path.insert(0, os.path.abspath(".."))
+print(sys.path)
+
+from importlib.metadata import version
+
+
+def test_import():
+    import mad
+
+    print("Package version:", mad.__version__)
+    print("Expected metadata version:", version("pymad"))
+
+    assert mad.__version__ == version("pymad")