add Python3.9 and Django 2.2 support, drop Python2.7 and Django 1.11support

.github/workflows/tests.yml

@@ -0,0 +1,38 @@
+name: Tests
+
+# push と pull request イベント毎にGtihubのWorkflowを起動する
+on:
+  - push
+  - pull_request
+
+jobs:
+  # ジョブの名称
+  test_with_tox:
+    runs-on: ubuntu-latest
+
+    # 並列して実行する各ジョブのPythonバージョン
+    strategy:
+      matrix:
+        python-version: ['3.6', '3.9']
+        django-version: ['2.2']
+
+    steps:
+    # ソースコードをチェックアウト
+    - uses: actions/checkout@v2
+
+    # ジョブのPython環境を設定
+    - name: Set up Python ${{ matrix.python-version }}
+      uses: actions/setup-python@v2
+      with:
+        python-version: ${{ matrix.python-version }}
+
+    # Github Actionsからtoxを実行するために必要なパッケージをインストール
+    - name: Install dependencies
+      run: |
+        python -m pip install --upgrade pip
+        python -m pip install tox tox-gh-actions
+
+    # Github Actionsからtoxを実行
+    - name: Test with tox
+      run: |
+        tox

README.rst

@@ -0,0 +1,10 @@
+.. image:: https://github.com/beproud/bpmailer/actions/workflows/tests.yml/badge.svg
+   :target: https://github.com/beproud/bpmailer/actions
+   :alt: GitHub Actions
+
+Requirements
+============
+
+* Python (3.6, 3.9)
+* Celery (4.1)
+* Django (2.2)

requirements-test.txt

@@ -0,0 +1,5 @@
+# toxを使用せず、直接 python tests.py で単体テスト実行する際に pip installするパッケージ一覧です。
+celery==4.1.0
+Django==2.2.27
+mock==4.0.3
+six==1.15.0

setup.py

@@ -48,19 +48,24 @@ def read_file(filename):
     author='BeProud Inc.',
     author_email='project@beproud.jp',
     url='https://github.com/beproud/bpmailer/',
+    python_requires='>=3.6',
     classifiers=[
         'Development Status :: 3 - Alpha',
-        'Environment :: Plugins',
-        'Framework :: Django',
-        'Intended Audience :: Developers',
         'License :: OSI Approved :: BSD License',
         'Programming Language :: Python',
+        'Programming Language :: Python :: 3',
+        'Programming Language :: Python :: 3.6',
+        'Programming Language :: Python :: 3.9',
+        'Framework:: Django',
+        'Framework:: Django :: 2.2',
+        'Intended Audience :: Developers',
+        'Environment :: Plugins',
         'Topic :: Software Development :: Libraries :: Python Modules',
     ],
     include_package_data=True,
     packages=find_packages(),
     namespace_packages=['beproud', 'beproud.django'],
-    install_requires=['Django>=1.11', 'six'],
+    install_requires=['Django>=2.2', 'six', 'Celery'],
     test_suite='tests.main',
     zip_safe=False,
     keywords=['django', 'mail']

tests.py

@@ -56,11 +56,15 @@ def main():
     django.setup()
 
     from django.test.utils import get_runner
-    test_runner = get_runner(global_settings)
 
-    test_runner = test_runner()
-    tests = ['beproud.django.mailer']
-    failures = test_runner.run_tests(tests)
+    # Djangoのtest runnerクラスを取得
+    TestRunner = get_runner(global_settings)
+
+    # test runnerオブジェクトを生成
+    test_runner = TestRunner()
+
+    # test runnerにbpmailerの単体テストのPathを渡して、bpmailerの単体テストを実行する
+    failures = test_runner.run_tests(['beproud.django.mailer.tests'])
 
     sys.exit(failures)
 

tox.ini

@@ -1,29 +1,21 @@
 # Requires tox > 1.8
 
 [tox]
-envlist = py27-django111, py36-django{111,22}
+envlist = py{36,39}-django22
 
 [testenv]
 basepython =
-    py27: python2.7
     py36: python3.6
+    py39: python3.9
 deps =
     six
-    django111: Django>=1.11,<2.0
-    django111: celery>=4.0,<4.2
     django22: Django>=2.2,<3.0
     django22: celery>=4.0,<4.2
     mock>=0.7.2
 commands=python setup.py test
 
-[travis]
-os =
-  linux: py27-django111, py36-django{111,22}
+# tox-gh-actionsパッケージの設定
+[gh-actions]
 python =
-  2.7: py27
-  3.6: py36
-
-[travis:env]
-DJANGO =
-  1.11: django111
-  2.2: django22
+    3.6: py36
+    3.9: py39