Add release automation

.github/workflows/release.yml

@@ -0,0 +1,29 @@
+name: Release
+
+on:
+  release:
+    types: [published]
+
+jobs:
+  build-n-publish:
+    name: Build and publish Python 🐍distributions 📦 to PyPI
+    runs-on: ubuntu-18.04
+    steps:
+    - uses: actions/checkout@master
+    - name: Set up Python 3.7
+      uses: actions/setup-python@v1
+      with:
+        python-version: 3.7
+    - name: Install tox
+      run: >-
+        python -m
+        pip install
+        tox
+        --user
+    - name: Build a binary wheel and a source tarball
+      run: >-
+        python -m tox -e build
+    - name: Publish distribution 📦 to PyPI
+      uses: pypa/gh-action-pypi-publish@master
+      with:
+        password: ${{ secrets.PYPI_TOKEN }}

pyproject.toml

@@ -0,0 +1,3 @@
+[build-system]
+requires = ["setuptools >= 40.6.0", "wheel"]
+build-backend = "setuptools.build_meta"

setup.py

@@ -1,15 +1,14 @@
 import codecs
 import os
+import re
 import sys
 
 from setuptools import find_packages, setup
 from setuptools.command.test import test as TestCommand
 
-import djmoney
-
 
 class PyTest(TestCommand):
-    user_options = [('pytest-args=', 'a', 'Arguments to pass into py.test')]
+    user_options = [("pytest-args=", "a", "Arguments to pass into py.test")]
 
     def initialize_options(self):
         TestCommand.initialize_options(self)
@@ -28,16 +27,16 @@ def run_tests(self):
 
 
 test_requirements = [
-    'pytest>=3.1.0',
-    'pytest-django',
-    'pytest-pythonpath',
-    'pytest-cov',
-    'django-reversion',
+    "pytest>=3.1.0",
+    "pytest-django",
+    "pytest-pythonpath",
+    "pytest-cov",
+    "django-reversion",
 ]
 
 extras_requirements = {
-    'test': test_requirements,
-    'exchange': ['certifi'],
+    "test": test_requirements,
+    "exchange": ["certifi"],
 }
 
 
@@ -46,49 +45,51 @@ def read(fname):
     return codecs.open(file_path, encoding="utf-8").read()
 
 
+def find_version():
+    match = re.search(r"^__version__ = ['\"]([^'\"]*)['\"]", read("djmoney/__init__.py"), re.M)
+    if match:
+        return match.group(1)
+    raise RuntimeError("Unable to find __version__ string.")
+
+
 setup(
-    name='django-money',
-    version=djmoney.__version__,
-    description='Adds support for using money and currency fields in django models and forms. '
-                'Uses py-moneyed as the money implementation.',
+    name="django-money",
+    version=find_version(),
+    description="Adds support for using money and currency fields in django models and forms. "
+    "Uses py-moneyed as the money implementation.",
     long_description=read("README.rst"),
     long_description_content_type="text/x-rst",
-    url='https://github.com/django-money/django-money',
-    maintainer='Greg Reinbach',
-    maintainer_email='greg@reinbach.com',
+    url="https://github.com/django-money/django-money",
+    maintainer="Greg Reinbach",
+    maintainer_email="greg@reinbach.com",
     license="BSD",
-    packages=find_packages(include=['djmoney', 'djmoney.*']),
-    install_requires=[
-        'setuptools',
-        'Django>=1.11',
-        'py-moneyed>=0.8'
-    ],
-    python_requires='>=3.5',
-    platforms=['Any'],
-    keywords=['django', 'py-money', 'money'],
+    packages=find_packages(include=["djmoney", "djmoney.*"]),
+    install_requires=["setuptools", "Django>=1.11", "py-moneyed>=0.8"],
+    python_requires=">=3.5",
+    platforms=["Any"],
+    keywords=["django", "py-money", "money"],
     classifiers=[
-        'Development Status :: 5 - Production/Stable',
-        'Intended Audience :: Developers',
-        'License :: OSI Approved :: BSD License',
-        'Operating System :: OS Independent',
-        'Framework :: Django',
-        'Framework :: Django :: 1.11',
-        'Framework :: Django :: 2.1',
-        'Framework :: Django :: 2.2',
-        'Framework :: Django :: 3.0',
-        'Framework :: Django :: 3.1',
-        'Programming Language :: Python',
-        'Programming Language :: Python :: 3',
-        'Programming Language :: Python :: 3.5',
-        'Programming Language :: Python :: 3.6',
-        'Programming Language :: Python :: 3.7',
-        'Programming Language :: Python :: 3.8',
-        'Programming Language :: Python :: 3.9',
-        'Programming Language :: Python :: Implementation :: CPython',
-        'Programming Language :: Python :: Implementation :: PyPy',
-        'Framework :: Django',
+        "Development Status :: 5 - Production/Stable",
+        "Intended Audience :: Developers",
+        "License :: OSI Approved :: BSD License",
+        "Operating System :: OS Independent",
+        "Framework :: Django",
+        "Framework :: Django :: 1.11",
+        "Framework :: Django :: 2.1",
+        "Framework :: Django :: 2.2",
+        "Framework :: Django :: 3.0",
+        "Framework :: Django :: 3.1",
+        "Programming Language :: Python",
+        "Programming Language :: Python :: 3",
+        "Programming Language :: Python :: 3.5",
+        "Programming Language :: Python :: 3.6",
+        "Programming Language :: Python :: 3.7",
+        "Programming Language :: Python :: 3.8",
+        "Programming Language :: Python :: 3.9",
+        "Programming Language :: Python :: Implementation :: CPython",
+        "Programming Language :: Python :: Implementation :: PyPy",
     ],
     tests_require=test_requirements,
     extras_require=extras_requirements,
-    cmdclass={'test': PyTest},
+    cmdclass={"test": PyTest},
 )

tox.ini

@@ -34,7 +34,7 @@ deps =
 commands =
     flake8 {toxinidir}/djmoney {toxinidir}/tests
     isort -c {toxinidir}/djmoney {toxinidir}/tests
-    black -l 120 --check --diff {toxinidir}/djmoney {toxinidir}/tests
+    black -l 120 --check --diff {toxinidir}/djmoney {toxinidir}/tests setup.py
 
 [django]
 1.11.x  =
@@ -76,3 +76,7 @@ deps =
     -rdocs/requirements.txt
 commands =
     make html
+
+[testenv:build]
+deps = pep517
+commands = python -m pep517.build --source . --binary --out-dir dist/