Test against Django 3.0, Python 3.8

Modernize Travis CI setup

.travis.yml

@@ -1,29 +1,17 @@
+os: linux
 dist: xenial
-sudo: true
-
 language: python
 python:
-- 2.7
 - 3.4
 - 3.5
 - 3.6
 - 3.7
+- 3.8
 
 env:
 - DJANGO=1.11
-- DJANGO=2.1
 - DJANGO=2.2
-
-matrix:
-  allow_failures:
-  - env: TOXENV=bandit
-  exclude:
-  # Python/Django combinations that aren't officially supported
-  - { env: DJANGO=1.11, python: 3.7 }
-  - { env: DJANGO=2.1, python: 2.7 }
-  - { env: DJANGO=2.1, python: 3.4 }
-  - { env: DJANGO=2.2, python: 2.7 }
-  - { env: DJANGO=2.2, python: 3.4 }
+- DJANGO=3.0
 
 install:
 - pip install tox-travis
@@ -36,22 +24,32 @@ stages:
 - deploy
 
 jobs:
+  allow_failures:
+  - env: TOXENV=bandit
   include:
-  - { stage: lint, env: TOXENV=flake8, python: 3.7 }
-  - { stage: lint, env: TOXENV=bandit, python: 3.7 }
-  - { stage: lint, env: TOXENV=readme, python: 3.7 }
+  - { stage: lint, python: 3.7, env: TOXENV=flake8 }
+  - { stage: lint, python: 3.7, env: TOXENV=bandit }
+  - { stage: lint, python: 3.7, env: TOXENV=readme }
+  - { stage: test, python: 2.7, env: DJANGO=1.11 }
+  exclude:
+  # Python/Django combinations that aren't officially supported
+  - { stage: test, python: 3.4, env: DJANGO=2.2 }
+  - { stage: test, python: 3.4, env: DJANGO=3.0 }
+  - { stage: test, python: 3.5, env: DJANGO=3.0 }
+  - { stage: test, python: 3.8, env: DJANGO=1.11 }
   - stage: deploy
-    env:
-    python: 3.7
-    install: skip
-    script: skip
+    if: tag is present
     deploy:
       provider: pypi
       server: https://jazzband.co/projects/django-analytical/upload
       distributions: sdist bdist_wheel
-      user: jazzband
+      username: jazzband
       password:
         secure: JCr5hRjAeXuiISodCJf8HWd4BTJMpl2eiHI8NciPaSM9WwOOeUXxmlcP8+lWlXxgM4BYUC/O7Q90fkwj5x06n+z4oyJSEVerTvCDcpeZ68KMMG1tR1jTbHcxfEKoEvcs2J0fThJ9dIMtfbtUbIpzusJHkZPjsIy8HAJDw8knnJs=
       on:
         tags: true
         repo: jazzband/django-analytical
+    env:
+    install: skip
+    script: skip
+    python: 3.7

setup.py

@@ -76,8 +76,8 @@ setup(
         'Environment :: Web Environment',
         'Framework :: Django',
         'Framework :: Django :: 1.11',
-        'Framework :: Django :: 2.1',
         'Framework :: Django :: 2.2',
+        'Framework :: Django :: 3.0',
         'Intended Audience :: Developers',
         'License :: OSI Approved :: MIT License',
         'Operating System :: OS Independent',
@@ -91,6 +91,7 @@ setup(
         'Programming Language :: Python :: 3.5',
         'Programming Language :: Python :: 3.6',
         'Programming Language :: Python :: 3.7',
+        'Programming Language :: Python :: 3.8',
     ],
     platforms=['any'],
     url='https://github.com/jazzband/django-analytical',

tox.ini

@@ -1,8 +1,9 @@
 [tox]
 envlist =
     # Python/Django combinations that are officially supported
-    py{27,34,35,36}-django111
-    py{35,36,37}-django{21,22}
+    py{27,34,35,36,37}-django111
+    py{35,36,37,38}-django22
+    py{36,37,38}-django30
     flake8
     bandit
     readme
@@ -10,40 +11,48 @@ envlist =
     clean
 
 [testenv]
-commands =
-    coverage run setup.py test
-    sh -c 'coveralls | true'
+description = Unit tests
 deps =
     coverage
     coveralls
     django111: Django>=1.11,<2.0
-    django21: Django>=2.1,<2.2
     django22: Django>=2.2,<3.0
+    django30: Django>=3.0,<3.1
+commands =
+    coverage run setup.py test
+    sh -c 'coveralls | true'
 passenv = TRAVIS TRAVIS_JOB_ID TRAVIS_BRANCH
 whitelist_externals = sh
 
 [testenv:bandit]
-deps = bandit
+description = PyCQA security linter
+deps = bandit<1.6
 commands = bandit -r --ini tox.ini
 
 [testenv:clean]
-deps = pyclean
+description = Clean up bytecode and build artifacts
+deps =
 commands =
-    py3clean -v {toxinidir}
     rm -rf .tox/ django_analytical.egg-info/ build/ dist/ docs/_build/
+    find {toxinidir} -type f -name '*.pyc' -delete
+    find {toxinidir} -type d -name '__pycache__' -delete
 whitelist_externals =
+    find
     rm
 
 [testenv:docs]
+description = Build the HTML documentation
 deps = sphinx
 commands = sphinx-build -b html -d docs/_build/doctrees docs docs/_build/html
 whitelist_externals = make
 
 [testenv:flake8]
+description = Static code analysis and code style
 deps = flake8
 commands = flake8
 
 [testenv:readme]
+description = Ensure README renders on PyPI
 deps = twine
 commands =
     {envpython} setup.py -q sdist bdist_wheel
@@ -52,8 +61,8 @@ commands =
 [travis:env]
 DJANGO =
     1.11: django111
-    2.1: django21
     2.2: django22
+    3.0: django30
 
 [bandit]
 exclude = .cache,.git,.tox,build,dist,docs,tests