Test against Django 2.2 (#14)

- Add Django 2.2 to tox.ini
- Add migraions to example app
- Tell flake8 to ignore migrations

README.rst

@@ -63,7 +63,7 @@ etc is done elsewhere.
 Supported Django Versions
 =========================
 
-Django 1.8 to 2.1 is currently supported by this library.
+Django 1.8 to 2.2 is currently supported by this library.
 
 Installation
 ============

examples/protected_downloads/download/migrations/0001_initial.py

@@ -0,0 +1,27 @@
+# Generated by Django 2.2.2 on 2019-06-05 19:03
+
+from django.conf import settings
+import django.core.files.storage
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    initial = True
+
+    dependencies = [
+        migrations.swappable_dependency(settings.AUTH_USER_MODEL),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='Download',
+            fields=[
+                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('is_public', models.BooleanField(default=True)),
+                ('title', models.CharField(max_length=255)),
+                ('file', models.FileField(storage=django.core.files.storage.FileSystemStorage(location='/home/moggers/workspace/django-sendfile2/examples/protected_downloads/protected'), upload_to='download')),
+                ('users', models.ManyToManyField(blank=True, to=settings.AUTH_USER_MODEL)),
+            ],
+        ),
+    ]

examples/protected_downloads/settings.py

@@ -61,10 +61,11 @@
     # 'django.template.loaders.eggs.load_template_source',
 )
 
-MIDDLEWARE_CLASSES = (
+MIDDLEWARE = (
     'django.middleware.common.CommonMiddleware',
     'django.contrib.sessions.middleware.SessionMiddleware',
     'django.contrib.auth.middleware.AuthenticationMiddleware',
+    'django.contrib.messages.middleware.MessageMiddleware',
 )
 
 ROOT_URLCONF = 'urls'
@@ -73,12 +74,30 @@
     os.path.join(PROJECT_ROOT, 'templates'),
 )
 
+TEMPLATES = [{
+    'BACKEND': 'django.template.backends.django.DjangoTemplates',
+    'OPTIONS': {
+        'context_processors': [
+            "django.contrib.auth.context_processors.auth",
+            "django.contrib.messages.context_processors.messages",
+        ],
+        'loaders': [
+            (
+                'django.template.loaders.filesystem.Loader',
+                'django.template.loaders.app_directories.Loader',
+            ),
+        ],
+        'debug': DEBUG,  # noqa: F405
+    },
+}]
+
 INSTALLED_APPS = (
     'django.contrib.auth',
     'django.contrib.contenttypes',
     'django.contrib.sessions',
     'django.contrib.sites',
     'django.contrib.admin',
+    'django.contrib.messages',
     'download',
     'sendfile',
 )

tox.ini

@@ -2,9 +2,9 @@
 envlist =
     {pypy,py27}-django{18,19,110,111}
     py34-django{18,19,110,111,20}
-    py35-django{18,19,110,111,20,21}
-    py36-django{111,20,21}
-    py37-django{20,21}
+    py35-django{18,19,110,111,20,21,22}
+    py36-django{111,20,21,22}
+    py37-django{20,21,22}
     flake8
 
 [testenv]
@@ -16,6 +16,7 @@ deps =
     django111: Django>=1.11,<1.12
     django20: Django>=2.0,<2.1
     django21: Django>=2.1,<2.2
+    django22: Django>=2.2,<2.3
 changedir = examples/protected_downloads
 commands = python manage.py test sendfile {posargs}
 
@@ -28,6 +29,13 @@ deps=flake8
 
 [flake8]
 max_line_length=100
+exclude =
+    .git
+    env
+    */migrations/*
+    .tox
+    __pycache__
+    docs
 
 [travis]
 python =