Add Django 2.0rc1 support, drop <1.11 support

.travis.yml

@@ -2,17 +2,10 @@ language: python
 sudo: false
 env:
   - TOX_ENV=py27-flake8
-  - TOX_ENV=py34-flake8
-  - TOX_ENV=py27-dj17
-  - TOX_ENV=py27-dj18
-  - TOX_ENV=py27-dj19
-  - TOX_ENV=py27-dj110
+  - TOX_ENV=py36-flake8
   - TOX_ENV=py27-dj111
-  - TOX_ENV=py34-dj17
-  - TOX_ENV=py34-dj18
-  - TOX_ENV=py34-dj19
-  - TOX_ENV=py34-dj110
-  - TOX_ENV=py34-dj111
+  - TOX_ENV=py36-dj111
+  - TOX_ENV=py36-dj20
 install:
  - pip install -r requirements-test.txt
 script:

ajax_select/fields.py

@@ -439,7 +439,7 @@ def autoselect_fields_check_can_add(form, model, user):
     for name, form_field in form.declared_fields.items():
         if isinstance(form_field, (AutoCompleteSelectMultipleField, AutoCompleteSelectField)):
             db_field = model._meta.get_field(name)
-            form_field.check_can_add(user, db_field.rel.to)
+            form_field.check_can_add(user, db_field.remote_field.model)
 
 
 def make_plugin_options(lookup, channel_name, widget_plugin_options, initial):

ajax_select/lookup_channel.py

@@ -95,9 +95,9 @@ def get_objects(self, ids):
             list: list of Model objects
         """
         # Inherited models have a OneToOneField (rather than eg AutoField)
-        if self.model._meta.pk.rel is not None:
+        if self.model._meta.pk.remote_field is not None:
             # Use the type of the field being referenced
-            pk_type = self.model._meta.pk.rel.field.to_python
+            pk_type = self.model._meta.pk.remote_field.field.to_python
         else:
             pk_type = self.model._meta.pk.to_python
 

example/example/settings.py

@@ -16,7 +16,7 @@
     ####################################
 )
 
-MIDDLEWARE_CLASSES = (
+MIDDLEWARE = (
     'django.contrib.sessions.middleware.SessionMiddleware',
     'django.contrib.auth.middleware.AuthenticationMiddleware',
     'django.contrib.messages.middleware.MessageMiddleware'

tests/models.py

@@ -35,7 +35,7 @@ class Book(models.Model):
 
     """ Book has no admin, its an inline in the Author admin"""
 
-    author = models.ForeignKey(Author, null=True)
+    author = models.ForeignKey(Author, null=True, on_delete=models.CASCADE)
     name = models.CharField(max_length=50)
     mentions_persons = models.ManyToManyField(Person, help_text="MENTIONS PERSONS HELP TEXT")
 

tests/settings.py

@@ -18,7 +18,7 @@
     "tests"
 ]
 SITE_ID = 1
-MIDDLEWARE_CLASSES = (
+MIDDLEWARE = (
     'django.contrib.sessions.middleware.SessionMiddleware',
     'django.contrib.auth.middleware.AuthenticationMiddleware',
     'django.contrib.messages.middleware.MessageMiddleware'

tests/test_integration.py

@@ -6,19 +6,14 @@
 should be unit tested in test_fields.py
 """
 from __future__ import unicode_literals
-import django
 from django.forms.models import ModelForm
 from django.test import TestCase, Client
-from django.core.urlresolvers import reverse
+from django.urls import reverse
 from django.contrib.auth.models import User
 
 from tests.models import Book, Author, Person
 from ajax_select import fields
 
-# Other versions will autoload
-if django.VERSION[1] < 7:
-    from tests import lookups  # noqa
-
 # ---------------  setup ----------------------------------- #
 
 
@@ -48,7 +43,7 @@ def test_render_no_data(self):
     def _make_instance(self):
         author = Author.objects.create(name="author")
         book = Book.objects.create(name="book", author=author)
-        book.mentions_persons = [Person.objects.create(name='person')]
+        book.mentions_persons.set([Person.objects.create(name='person')])
         return book
 
     def _book_data(self, book):

tests/urls.py

@@ -10,5 +10,5 @@
 
 urlpatterns = [
     url(r'^ajax_lookups/', include(ajax_select_urls)),
-    url(r'^admin/', include(admin.site.urls)),
+    url(r'^admin/', include((admin.site.get_urls(), 'admin'), namespace='admin')),
 ] + static(settings.STATIC_URL, document_root=settings.STATIC_ROOT)

tox.ini

@@ -6,8 +6,8 @@
 ;
 [tox]
 envlist =
-  {py27,py34}-flake8,
-  {py27,py34}-{dj17,dj18,dj19,dj110,dj111}
+  {py27,py36}-flake8,
+  py27-dj111,py36-dj111,py36-dj20
 
 
 [testenv]
@@ -16,19 +16,16 @@ setenv =
     PYTHONPATH = {toxinidir}:{toxinidir}/ajax_select:{toxinidir}/tests
 commands = django-admin.py test tests
 deps =
-  dj17: Django>=1.7.11,<1.8
-  dj18: Django>=1.8.18,<1.9
-  dj19: Django>=1.9.13,<1.10
-  dj110: Django>=1.10.8,<1.11
   dj111: Django>=1.11.5,<1.12
+  dj20: Django>=2.0rc1,<2.1
   ; djmaster: https://github.com/django/django/zipball/master
 
 [testenv:py27-flake8]
 deps =
   flake8
 commands = flake8 ajax_select tests example
 
-[testenv:py34-flake8]
+[testenv:py36-flake8]
 deps =
   flake8
 commands = flake8 ajax_select tests example