Add Django 2.0 to TravisCI test matrix

Add Django 2.0 with Python 3.5 and 3.6 to the test matrix, and fix some
other entries.

Use Django 2.0 in requirements.txt, which means Python 3.5 or greater is
needed for quality checks.

Author: jwhitlock

.travis.yml

@@ -7,10 +7,14 @@ matrix:
     include:
         # Quality checks
         - env: TOXENV=flake8
-          python: "2.7"
+          python: "3.5"
         - env: TOXENV=docs
-          python: "2.7"
+          python: "3.5"
         # Supported Python / Django versions w/ SQLite
+        - env: TOXENV=py35-django-20
+          python: "3.5"
+        - env: TOXENV=py36-django-20
+          python: "3.6"
         - env: TOXENV=py27-django-111
           python: "2.7"
         - env: TOXENV=py36-django-111
@@ -28,6 +32,10 @@ matrix:
         - env: TOXENV=py34-django-18
           python: "3.4"
         # Test with PostgreSQL
+        - env: TOXENV=py35-django-20-postgres DATABASE_URL="postgres://postgres@localhost:5432/py27-django-111-postgres"
+          python: "3.5"
+        - env: TOXENV=py36-django-20-postgres DATABASE_URL="postgres://postgres@localhost:5432/py36-django-111-postgres"
+          python: "3.6"
         - env: TOXENV=py27-django-111-postgres DATABASE_URL="postgres://postgres@localhost:5432/py27-django-111-postgres"
           python: "2.7"
         - env: TOXENV=py36-django-111-postgres DATABASE_URL="postgres://postgres@localhost:5432/py36-django-111-postgres"
@@ -43,6 +51,10 @@ matrix:
         - env: TOXENV=py27-django-18-postgres DATABASE_URL="postgres://postgres@localhost:5432/py27-django-18-postgres"
           python: "2.7"
         # Test with MySQL
+        - env: TOXENV=py35-django-20-mysql DATABASE_URL="mysql://travis@localhost:3306/py27-django-111-mysql"
+          python: "3.5"
+        - env: TOXENV=py36-django-20-mysql DATABASE_URL="mysql://travis@localhost:3306/py36-django-111-mysql"
+          python: "3.6"
         - env: TOXENV=py27-django-111-mysql DATABASE_URL="mysql://travis@localhost:3306/py27-django-111-mysql"
           python: "2.7"
         - env: TOXENV=py36-django-111-mysql DATABASE_URL="mysql://travis@localhost:3306/py36-django-111-mysql"

README.rst

@@ -46,6 +46,7 @@ recommended.  It follows the `Django's support policy`_, supporting:
 * Django 1.9 with Python 2.7, 3.4, or 3.5
 * Django 1.10 with Python 2.7, 3.4, or 3.5
 * Django 1.11 (LTS) with Python 2.7, 3.4, 3.5, or 3.6
+* Django 2.0 with Python 3.5 or 3.6
 
 .. _latest release: https://pypi.python.org/pypi/nose
 .. _Django's support policy: https://docs.djangoproject.com/en/1.8/internals/release-process/#supported-versions

requirements.txt

@@ -3,7 +3,7 @@
 #
 
 # Latest Django
-Django>=1.11,<2.0
+Django>=2.0,<2.1
 
 # This project
 -e .

tox.ini

@@ -2,7 +2,7 @@
 envlist =
     py{27,34,35}-django-{18,19,110}{,-postgres,-mysql}
     py{27,34,35,36}-django-111{,-postgres,-mysql}
-    py{35,36}-django-master{,-postgres,-mysql}
+    py{35,36}-django-{20,master}{,-postgres,-mysql}
     flake8
     docs
 skip_missing_interpreters = True
@@ -17,8 +17,9 @@ deps =
     dj-database-url
     django-18: Django>=1.8,<1.9
     django-19: Django>=1.9,<1.10
-    django-110: Django==1.10,<1.11
-    django-111: Django==1.11,<1.12
+    django-110: Django>=1.10,<1.11
+    django-111: Django>=1.11,<2.0
+    django-20: Django>=2.0,<2.1
     django-master: https://github.com/django/django/archive/master.tar.gz
     postgres: psycopg2
     mysql: mysqlclient