[compat] Cleanup compat matrix with Django/Python supported versions

.travis.yml

@@ -11,32 +11,33 @@ addons:
 matrix:
   fast_finish: true
   include:
-    # Django 1.11: Python 2.7, 3.5, or 3.6
+    # Django 2.1: Python 3.5, 3.6, or 3.7
-    - { env: TOXENV=py27-django111, python: 2.7 }
+    - { env: TOXENV=py35-django21, python: 3.5 }
-    - { env: TOXENV=py35-django111, python: 3.5 }
-    - { env: TOXENV=py36-django111, python: 3.6 }
-    - { env: TOXENV=py36-django111-postgres DB=postgres, python: 3.6 }
-    # Django 2.0: Python 3.5, or 3.6
-    - { env: TOXENV=py35-django20, python: 3.5 }
-    - { env: TOXENV=py36-django20, python: 3.6 }
-    - { env: TOXENV=py36-django20-postgres DB=postgres, python: 3.6 }
-    # Django 2.1: Python 3.6, or 3.7
     - { env: TOXENV=py36-django21, python: 3.6 }
     - { env: TOXENV=py37-django21, python: 3.7 }
     - { env: TOXENV=py37-django21-postgres DB=postgres, python: 3.7 }
-    # Django 2.2: Python 3.6, or 3.7
+    # Django 2.2: Python 3.5, 3.6, 3.7 or 3.8
+    - { env: TOXENV=py35-django22, python: 3.5 }
     - { env: TOXENV=py36-django22, python: 3.6 }
     - { env: TOXENV=py37-django22, python: 3.7 }
-    - { env: TOXENV=py37-django22-postgres DB=postgres, python: 3.7 }
+    - { env: TOXENV=py38-django22, python: 3.8 }
+    - { env: TOXENV=py38-django22-postgres DB=postgres, python: 3.8 }
+    # Django 3.0: Python 3.6, 3.7 or 3.8
+    - { env: TOXENV=py36-django30, python: 3.6 }
+    - { env: TOXENV=py37-django30, python: 3.7 }
+    - { env: TOXENV=py38-django30, python: 3.8 }
+    - { env: TOXENV=py38-django30-postgres DB=postgres, python: 3.8 }
     # Django development master (direct from GitHub source):
     - { env: TOXENV=py36-djangomaster, python: 3.6 }
     - { env: TOXENV=py37-djangomaster, python: 3.7 }
-    - { env: TOXENV=py37-djangomaster-postgres DB=postgres, python: 3.7 }
+    - { env: TOXENV=py38-djangomaster, python: 3.8 }
+    - { env: TOXENV=py38-djangomaster-postgres DB=postgres, python: 3.8 }
 
   allow_failures:
     - env: TOXENV=py36-djangomaster
     - env: TOXENV=py37-djangomaster
-    - env: TOXENV=py37-djangomaster-postgres DB=postgres
+    - env: TOXENV=py38-djangomaster
+    - env: TOXENV=py38-djangomaster-postgres DB=postgres
 
 cache:
   directories:

README.rst

@@ -62,7 +62,7 @@ Django to perform an ``INNER JOIN`` to fetch the model fields from the database.
 While taking this in mind, there are valid reasons for using subclassed models.
 That's what this library is designed for!
 
-The current release of *django-polymorphic* supports Django 1.11, 2.0, 2.1, 2.2 and Python 2.7 and 3.5+ is supported.
+The current release of *django-polymorphic* supports Django 2.1, 2.2, 3.0 and Python 3.5+ is supported.
 For older Django versions, install *django-polymorphic==1.3*.
 
 For more information, see the `documentation at Read the Docs <https://django-polymorphic.readthedocs.io/>`_.

setup.cfg

@@ -14,18 +14,18 @@ classifiers =
 	Development Status :: 5 - Production/Stable
 	Environment :: Web Environment
 	Framework :: Django
-	Framework :: Django :: 1.11
-	Framework :: Django :: 2.0
 	Framework :: Django :: 2.1
 	Framework :: Django :: 2.2
+	Framework :: Django :: 3.0
 	Intended Audience :: Developers
 	License :: OSI Approved :: BSD License
 	Operating System :: OS Independent
-	Programming Language :: Python :: 2.7
 	Programming Language :: Python :: 3
+	Programming Language :: Python :: 3 :: Only
 	Programming Language :: Python :: 3.5
 	Programming Language :: Python :: 3.6
 	Programming Language :: Python :: 3.7
+	Programming Language :: Python :: 3.8
 	Topic :: Database
 
 [options]

tox.ini

@@ -1,9 +1,9 @@
 [tox]
 envlist =
-	py27-django{111}
+	py35-django{21,22,master}
-	py35-django{111,20}
+	py36-django{21,22,30,master}
-	py36-django{111,20,21,22,master}
+	py37-django{21,22,30,master}
-	py37-django{21,22,master}
+	py38-django{21,22,30,master}
 	docs
 
 [testenv]
@@ -14,10 +14,9 @@ setenv =
 deps =
 	coverage
 	dj-database-url
-	django111: Django >= 1.11, < 2.0
-	django20: Django ~= 2.0
 	django21: Django ~= 2.1
 	django22: Django ~= 2.2
+	django30: Django ~= 3.0
 	djangomaster: https://github.com/django/django/archive/master.tar.gz
 	postgres: psycopg2
 commands =