Bump async from 2.6.3 to 2.6.4

Bumps [async](https://github.com/caolan/async) from 2.6.3 to 2.6.4.
- [Release notes](https://github.com/caolan/async/releases)
- [Changelog](https://github.com/caolan/async/blob/v2.6.4/CHANGELOG.md)
- [Commits](https://github.com/caolan/async/compare/v2.6.3...v2.6.4)

---
updated-dependencies:
- dependency-name: async
  dependency-type: indirect
...

Signed-off-by: dependabot[bot] <support@github.com>

.github/workflows/python-test.yml

@@ -0,0 +1,89 @@
+---
+name: Python Tests
+
+on: [push, pull_request]
+
+jobs:
+  format:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - name: Set up Python 3.8
+        uses: actions/setup-python@v1
+        with:
+          python-version: 3.8
+      - name: Install dependencies
+        run: pip install tox
+      - name: Validate formatting
+        run: tox -e format
+
+  test:
+    runs-on: ubuntu-latest
+    strategy:
+      max-parallel: 4
+      matrix:
+        tox_env:
+          - py36-dj22-wt211
+          - py36-dj22-wt212
+          - py36-dj22-wt213
+          - py37-dj22-wt211
+          - py37-dj22-wt212
+          - py37-dj22-wt213
+          - py38-dj22-wt211
+          - py38-dj22-wt212
+          - py38-dj22-wt213
+          - py37-dj30-wt211
+          - py37-dj30-wt212
+          - py37-dj30-wt213
+          - py38-dj30-wt211
+          - py38-dj30-wt212
+          - py38-dj30-wt213
+        include:
+          - python-version: 3.6
+            tox_env: py36-dj22-wt211
+          - python-version: 3.6
+            tox_env: py36-dj22-wt212
+          - python-version: 3.6
+            tox_env: py36-dj22-wt213
+          - python-version: 3.7
+            tox_env: py37-dj22-wt211
+          - python-version: 3.7
+            tox_env: py37-dj22-wt212
+          - python-version: 3.7
+            tox_env: py37-dj22-wt213
+          - python-version: 3.8
+            tox_env: py38-dj22-wt211
+          - python-version: 3.8
+            tox_env: py38-dj22-wt212
+          - python-version: 3.8
+            tox_env: py38-dj22-wt213
+          - python-version: 3.7
+            tox_env: py37-dj30-wt211
+          - python-version: 3.7
+            tox_env: py37-dj30-wt212
+          - python-version: 3.7
+            tox_env: py37-dj30-wt213
+          - python-version: 3.8
+            tox_env: py38-dj30-wt211
+          - python-version: 3.8
+            tox_env: py38-dj30-wt212
+          - python-version: 3.8
+            tox_env: py38-dj30-wt213
+    steps:
+      - uses: actions/checkout@v2
+      - name: Set up Python ${{ matrix.python-version }}
+        uses: actions/setup-python@v1
+        with:
+          python-version: ${{ matrix.python-version }}
+      - name: Install dependencies
+        run: |
+          python -m pip install --upgrade pip
+          pip install tox tox-gh-actions
+      - name: Test with tox
+        run: tox -e ${{ matrix.tox_env }} --index-url=https://pypi.python.org/simple/
+      - name: Prepare artifacts
+        run: mkdir -p .coverage-data && mv .coverage.* .coverage-data/
+      - uses: actions/upload-artifact@master
+        with:
+          name: coverage-data
+          path: .coverage-data/

.gitignore

@@ -13,6 +13,7 @@
 .vscode/
 
 build/
+ve/
 dist/
 htmlcov/
 docs/_build

.travis.yml

@@ -1,26 +0,0 @@
----
-sudo: false
-language: python
-
-matrix:
-  include:
-    - python: 3.6
-      env: TOXENV=lint
-    - python: 3.6
-      env: TOXENV=py36-django20-wagtail20
-    - python: 3.6
-      env: TOXENV=py36-django20-wagtail20-geoip2
-    - python: 3.6
-      env: TOXENV=py36-django20-wagtail21
-    - python: 3.6
-      env: TOXENV=py36-django20-wagtail21-geoip2
-
-install:
-  - pip install tox codecov
-
-script:
-  - tox
-
-after_success:
-  - tox -e coverage-report
-  - codecov

CHANGES

@@ -1,3 +1,40 @@
+0.15.3
+=================
+- Add wagtail >= 2.15 support with get_context_data override instead of get_context
+
+0.15.2
+=================
+- Replace staticfiles tag with static
+
+0.15.1
+=================
+- Remove old versions from test matrix
+- Fix button support in wagtail admin for newer wagtail versions
+
+0.15.0
+=================
+ - Fix is_authenticated 'bool' object is not callable error
+ - Add wagtail <=2.11 support
+ - Use Github Actions to test package instead of Travis CI
+
+0.14.0
+=================
+ - Fix 'bool' object is not callable error
+ - Fix deleting descendants with variants when deleting a page
+ - Add wagtail 2.6 support
+
+0.13.0
+=================
+ - Merged Praekelt fork
+ - Add custom javascript to segment forms
+ - bugfix:exclude variant returns queryset when params is queryset
+ - Added RulePanel, a subclass of InlinePanel, for Rules
+ - Upgrade to Wagtail > 2.0, drop support for Wagtail < 2
+
+0.12.0
+==================
+ - Fix Django version classifier in setup.py
+
 0.12.0
 ==================
  - Merged forks of Torchbox and Praekelt

docs/conf.py

@@ -54,7 +54,7 @@ master_doc = 'index'
 
 # General information about the project.
 project = 'wagtail-personalisation'
-copyright = '2018, Lab Digital BV'
+copyright = '2019, Lab Digital BV'
 author = 'Lab Digital BV'
 
 # The version info for the project you're documenting, acts as replacement for
@@ -62,10 +62,10 @@ author = 'Lab Digital BV'
 # built documents.
 #
 # The short X.Y version.
-version = '0.12.1'
+version = '0.15.3'
 
 # The full version, including alpha/beta/rc tags.
-release = '0.12.1'
+release = '0.15.3'
 
 # The language for content autogenerated by Sphinx. Refer to documentation
 # for a list of supported languages.

sandbox/requirements.txt

@@ -1,4 +1,4 @@
-Django>=2.0,<2.1
+Django>=2.2,<2.3
-wagtail>=2.1,<2.2
+wagtail>=2.6,<2.7
-django-debug-toolbar==1.9.1
+django-debug-toolbar==2.0
 -e .[docs,test]

sandbox/sandbox/apps/user/migrations/0002_auto_20190315_1254.py

@@ -0,0 +1,20 @@
+# Generated by Django 2.1.7 on 2019-03-15 12:54
+
+from django.db import migrations
+import sandbox.apps.user.models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('user', '0001_initial'),
+    ]
+
+    operations = [
+        migrations.AlterModelManagers(
+            name='user',
+            managers=[
+                ('objects', sandbox.apps.user.models.UserManager()),
+            ],
+        ),
+    ]

sandbox/sandbox/apps/user/models.py

@@ -1,14 +1,44 @@
 from django.contrib.auth.models import (
-    AbstractBaseUser, PermissionsMixin, UserManager)
+    AbstractBaseUser, PermissionsMixin, BaseUserManager)
 from django.core.mail import send_mail
-from django.db import connections, models
+from django.db import models
-from django.dispatch import receiver
 from django.utils import timezone
 from django.utils.translation import ugettext_lazy as _
 
 
+class UserManager(BaseUserManager):
+    use_in_migrations = True
+
+    def _create_user(self, email, password, **extra_fields):
+        """
+        Create and save a user with the given username, email, and password.
+        """
+        if not email:
+            raise ValueError('The given email address must be set')
+        email = self.normalize_email(email)
+        user = self.model(email=email, **extra_fields)
+        user.set_password(password)
+        user.save(using=self._db)
+        return user
+
+    def create_user(self, email, password=None, **extra_fields):
+        extra_fields.setdefault('is_staff', False)
+        extra_fields.setdefault('is_superuser', False)
+        return self._create_user(email, password, **extra_fields)
+
+    def create_superuser(self, email, password, **extra_fields):
+        extra_fields.setdefault('is_staff', True)
+        extra_fields.setdefault('is_superuser', True)
+
+        if extra_fields.get('is_staff') is not True:
+            raise ValueError('Superuser must have is_staff=True.')
+        if extra_fields.get('is_superuser') is not True:
+            raise ValueError('Superuser must have is_superuser=True.')
+        return self._create_user(email, password, **extra_fields)
+
+
 class User(AbstractBaseUser, PermissionsMixin):
-    """Cusomtized version of the default `AbstractUser` from Django.
+    """Customized version of the default `AbstractUser` from Django.
 
     """
     first_name = models.CharField(_('first name'), max_length=100, blank=True)

sandbox/sandbox/settings.py

@@ -14,6 +14,7 @@ from __future__ import absolute_import, unicode_literals
 
 # Build paths inside the project like this: os.path.join(BASE_DIR, ...)
 import os
+from importlib.util import find_spec
 
 PROJECT_DIR = os.path.dirname(os.path.abspath(__file__))
 BASE_DIR = os.path.dirname(PROJECT_DIR)
@@ -78,11 +79,14 @@ MIDDLEWARE = [
     'django.contrib.auth.middleware.AuthenticationMiddleware',
     'django.contrib.messages.middleware.MessageMiddleware',
     'django.middleware.clickjacking.XFrameOptionsMiddleware',
-
-    'wagtail.core.middleware.SiteMiddleware',
     'wagtail.contrib.redirects.middleware.RedirectMiddleware',
 ]
 
+if find_spec('wagtail.contrib.legacy'):
+    MIDDLEWARE += ('wagtail.contrib.legacy.sitemiddleware.SiteMiddleware',)
+else:
+    MIDDLEWARE += ('wagtail.core.middleware.SiteMiddleware', )
+
 ROOT_URLCONF = 'sandbox.urls'
 
 TEMPLATES = [

sandbox/sandbox/urls.py

@@ -11,9 +11,9 @@ from wagtail.documents import urls as wagtaildocs_urls
 from sandbox.apps.search import views as search_views
 
 urlpatterns = [
-    url(r'^admin/', admin.site.urls),
+    url(r'^django-admin/', admin.site.urls),
 
-    url(r'^cms/', include(wagtailadmin_urls)),
+    url(r'^admin/', include(wagtailadmin_urls)),
     url(r'^documents/', include(wagtaildocs_urls)),
 
     url(r'^search/$', search_views.search, name='search'),

setup.cfg

@@ -1,5 +1,5 @@
 [bumpversion]
-current_version = 0.12.1
+current_version = 0.15.3
 commit = true
 tag = true
 tag_name = {new_version}
@@ -28,4 +28,3 @@ omit = src/**/migrations/*.py
 [bumpversion:file:setup.py]
 
 [bumpversion:file:docs/conf.py]
-

setup.py

@@ -12,15 +12,15 @@ tests_require = [
     'factory_boy==2.8.1',
     'flake8-blind-except',
     'flake8-debugger',
-    'flake8-imports',
+    'flake8-isort',
     'flake8',
     'freezegun==0.3.8',
     'pytest-cov==2.5.1',
-    'pytest-django==3.1.2',
+    'pytest-django==4.1.0',
     'pytest-pythonpath==0.7.2',
     'pytest-sugar==0.9.1',
-    'pytest==3.4.2',
+    'pytest==6.1.2',
-    'wagtail_factories==1.0.0',
+    'wagtail_factories==1.1.0',
     'pytest-mock==1.6.3',
 ]
 
@@ -35,7 +35,7 @@ with open('README.rst') as fh:
 
 setup(
     name='wagtail-personalisation',
-    version='0.12.1',
+    version='0.15.3',
     description='A Wagtail add-on for showing personalized content',
     author='Lab Digital BV and others',
     author_email='opensource@labdigital.nl',
@@ -52,7 +52,7 @@ setup(
     license='MIT',
     long_description=long_description,
     classifiers=[
-        'Development Status :: 2 - Pre-Alpha',
+        'Development Status :: 5 - Production/Stable',
         'Environment :: Web Environment',
         'Intended Audience :: Developers',
         'License :: OSI Approved :: BSD License',

src/wagtail_personalisation/adapters.py

@@ -1,5 +1,3 @@
-from __future__ import absolute_import, unicode_literals
-
 from django.conf import settings
 from django.db.models import F
 from django.utils.module_loading import import_string
@@ -196,8 +194,10 @@ class SessionSegmentsAdapter(BaseSegmentsAdapter):
         for segment in enabled_segments:
             if segment.is_static and segment.static_users.filter(id=self.request.user.id).exists():
                 additional_segments.append(segment)
-            elif (segment.excluded_users.filter(id=self.request.user.id).exists() or
+            elif any((
-                    segment in excluded_segments):
+                segment.excluded_users.filter(id=self.request.user.id).exists(),
+                segment in excluded_segments
+            )):
                 continue
             elif not segment.is_static or not segment.is_full:
                 segment_rules = []

src/wagtail_personalisation/admin.py

@@ -1,5 +1,3 @@
-from __future__ import absolute_import, unicode_literals
-
 from django.contrib import admin
 
 from wagtail_personalisation import models, rules

src/wagtail_personalisation/admin_urls.py

@@ -1,5 +1,3 @@
-from __future__ import absolute_import, unicode_literals
-
 from django.conf.urls import url
 
 from wagtail_personalisation import views

src/wagtail_personalisation/blocks.py

@@ -1,5 +1,3 @@
-from __future__ import absolute_import, unicode_literals
-
 from django.utils.translation import ugettext_lazy as _
 from wagtail.core import blocks
 

src/wagtail_personalisation/forms.py

@@ -1,21 +1,19 @@
-from __future__ import absolute_import, unicode_literals
-
 from datetime import datetime
+import functools
 from importlib import import_module
 
 from django.conf import settings
 from django.contrib.auth import get_user_model
 from django.contrib.auth.models import AnonymousUser
-from django.contrib.staticfiles.templatetags.staticfiles import static
+from django.templatetags.static import static
 from django.test.client import RequestFactory
-from django.utils.lru_cache import lru_cache
 from django.utils.translation import ugettext_lazy as _
 from wagtail.admin.forms import WagtailAdminModelForm
 
 SessionStore = import_module(settings.SESSION_ENGINE).SessionStore
 
 
-@lru_cache(maxsize=1000)
+@functools.lru_cache(maxsize=1000)
 def user_from_data(user_id):
     User = get_user_model()
     try:

src/wagtail_personalisation/migrations/0021_personalisablepagemetadata_segment_set_on_delete_protect.py

@@ -1,7 +1,7 @@
 # Generated by Django 2.0.7 on 2018-07-04 15:26
 
-from django.db import migrations, models
 import django.db.models.deletion
+from django.db import migrations, models
 
 
 class Migration(migrations.Migration):

src/wagtail_personalisation/migrations/0023_personalisablepagemetadata_variant_cascade.py

@@ -1,7 +1,7 @@
 # Generated by Django 2.0.5 on 2018-07-19 09:57
 
-from django.db import migrations, models
 import django.db.models.deletion
+from django.db import migrations, models
 
 
 class Migration(migrations.Migration):

src/wagtail_personalisation/migrations/0024_origincountryrule.py

@@ -1,8 +1,8 @@
 # Generated by Django 2.0.6 on 2018-08-10 14:39
 
-from django.db import migrations, models
 import django.db.models.deletion
 import modelcluster.fields
+from django.db import migrations, models
 
 
 class Migration(migrations.Migration):

src/wagtail_personalisation/models.py

@@ -1,16 +1,15 @@
 import random
 
+import wagtail
 from django import forms
 from django.conf import settings
 from django.core.validators import MaxValueValidator, MinValueValidator
 from django.db import models, transaction
 from django.template.defaultfilters import slugify
-from django.utils.encoding import python_2_unicode_compatible
 from django.utils.functional import cached_property
 from django.utils.safestring import mark_safe
 from django.utils.translation import ugettext_lazy as _
 from modelcluster.models import ClusterableModel
-import wagtail
 from wagtail.admin.edit_handlers import (
     FieldPanel, FieldRowPanel, InlinePanel, MultiFieldPanel)
 from wagtail.core.models import Page
@@ -21,12 +20,19 @@ from wagtail_personalisation.utils import count_active_days
 from .forms import SegmentAdminForm
 
 
+class RulePanel(InlinePanel):
+    def on_model_bound(self):
+        self.relation_name = self.relation_name.replace('_related', 's')
+        self.db_field = self.model._meta.get_field(self.relation_name)
+        manager = getattr(self.model, self.relation_name)
+        self.related = manager.rel
+
+
 class SegmentQuerySet(models.QuerySet):
     def enabled(self):
         return self.filter(status=self.model.STATUS_ENABLED)
 
 
-@python_2_unicode_compatible
 class Segment(ClusterableModel):
     """The segment model."""
     STATUS_ENABLED = 'enabled'
@@ -121,8 +127,8 @@ class Segment(ClusterableModel):
                 FieldPanel('randomisation_percent', classname='percent_field'),
             ], heading="Segment"),
             MultiFieldPanel([
-                InlinePanel(
+                RulePanel(
-                    "{}s".format(rule_model._meta.db_table),
+                    "{}_related".format(rule_model._meta.db_table),
                     label='{}{}'.format(
                         rule_model._meta.verbose_name,
                         ' ({})'.format(_('Static compatible')) if rule_model.static else ''

src/wagtail_personalisation/rules.py

@@ -1,8 +1,5 @@
-from __future__ import absolute_import, unicode_literals
 import logging
-
 import re
-from datetime import datetime
 from importlib import import_module
 
 import pycountry
@@ -13,7 +10,7 @@ from django.core.exceptions import ObjectDoesNotExist
 from django.db import models
 from django.template.defaultfilters import slugify
 from django.test.client import RequestFactory
-from django.utils.encoding import force_text, python_2_unicode_compatible
+from django.utils import timezone
 from django.utils.translation import ugettext_lazy as _
 from modelcluster.fields import ParentalKey
 from user_agents import parse
@@ -43,7 +40,6 @@ def get_geoip_module():
             'warning if you use one of those.')
 
 
-@python_2_unicode_compatible
 class AbstractBaseRule(models.Model):
     """Base for creating rules to segment users with."""
     icon = 'fa-circle-o'
@@ -59,7 +55,7 @@ class AbstractBaseRule(models.Model):
         verbose_name = 'Abstract segmentation rule'
 
     def __str__(self):
-        return force_text(self._meta.verbose_name)
+        return str(self._meta.verbose_name)
 
     def test_user(self):
         """Test if the user matches this rule."""
@@ -67,7 +63,7 @@ class AbstractBaseRule(models.Model):
 
     def encoded_name(self):
         """Return a string with a slug for the rule."""
-        return slugify(force_text(self).lower())
+        return slugify(str(self).lower())
 
     def description(self):
         """Return a description explaining the functionality of the rule.
@@ -113,7 +109,7 @@ class TimeRule(AbstractBaseRule):
         verbose_name = _('Time Rule')
 
     def test_user(self, request=None):
-        return self.start_time <= datetime.now().time() <= self.end_time
+        return self.start_time <= timezone.now().time() <= self.end_time
 
     def description(self):
         return {
@@ -157,7 +153,7 @@ class DayRule(AbstractBaseRule):
 
     def test_user(self, request=None):
         return [self.mon, self.tue, self.wed, self.thu,
-                self.fri, self.sat, self.sun][datetime.today().weekday()]
+                self.fri, self.sat, self.sun][timezone.now().date().weekday()]
 
     def description(self):
         days = (
@@ -423,7 +419,7 @@ class UserIsLoggedInRule(AbstractBaseRule):
         verbose_name = _('Logged in Rule')
 
     def test_user(self, request=None):
-        return request.user.is_authenticated() == self.is_logged_in
+        return request.user.is_authenticated == self.is_logged_in
 
     def description(self):
         return {

src/wagtail_personalisation/static/js/commons.js

@@ -37,8 +37,6 @@
 /******/ 		3: 0
 /******/ 	};
 /******/
-/******/ 	var resolvedPromise = new Promise(function(resolve) { resolve(); });
-/******/
 /******/ 	// The require function
 /******/ 	function __webpack_require__(moduleId) {
 /******/
@@ -66,20 +64,21 @@
 /******/ 	// This file contains only the entry chunk.
 /******/ 	// The chunk loading function for additional chunks
 /******/ 	__webpack_require__.e = function requireEnsure(chunkId) {
-/******/ 		if(installedChunks[chunkId] === 0) {
+/******/ 		var installedChunkData = installedChunks[chunkId];
-/******/ 			return resolvedPromise;
+/******/ 		if(installedChunkData === 0) {
+/******/ 			return new Promise(function(resolve) { resolve(); });
 /******/ 		}
 /******/
 /******/ 		// a Promise means "currently loading".
-/******/ 		if(installedChunks[chunkId]) {
+/******/ 		if(installedChunkData) {
-/******/ 			return installedChunks[chunkId][2];
+/******/ 			return installedChunkData[2];
 /******/ 		}
 /******/
 /******/ 		// setup Promise in chunk cache
 /******/ 		var promise = new Promise(function(resolve, reject) {
-/******/ 			installedChunks[chunkId] = [resolve, reject];
+/******/ 			installedChunkData = installedChunks[chunkId] = [resolve, reject];
 /******/ 		});
-/******/ 		installedChunks[chunkId][2] = promise;
+/******/ 		installedChunkData[2] = promise;
 /******/
 /******/ 		// start chunk loading
 /******/ 		var head = document.getElementsByTagName('head')[0];

src/wagtail_personalisation/templates/modeladmin/wagtail_personalisation/segment/base.html

@@ -1,5 +1,5 @@
 {% extends "modeladmin/index.html" %}
-{% load i18n l10n staticfiles modeladmin_tags %}
+{% load i18n l10n static modeladmin_tags %}
 
 {% block titletag %}{{ view.get_meta_title }}{% endblock %}
 

src/wagtail_personalisation/templates/modeladmin/wagtail_personalisation/segment/dashboard.html

@@ -1,5 +1,5 @@
 {% extends "modeladmin/wagtail_personalisation/segment/base.html" %}
-{% load i18n l10n staticfiles modeladmin_tags wagtail_personalisation_filters %}
+{% load i18n l10n static modeladmin_tags wagtail_personalisation_filters %}
 
 {% block toggle_view %}to List {% endblock%}
 

src/wagtail_personalisation/templates/modeladmin/wagtail_personalisation/segment/index.html

@@ -1,5 +1,4 @@
 {% extends "modeladmin/wagtail_personalisation/segment/base.html" %}
-{% load i18n l10n staticfiles modeladmin_tags wagtail_personalisation_filters %}
+{% load i18n l10n static modeladmin_tags wagtail_personalisation_filters %}
 
 {% block toggle_view %}to Dashboard {% endblock%}
-

src/wagtail_personalisation/views.py

@@ -1,5 +1,3 @@
-from __future__ import absolute_import, unicode_literals
-
 import csv
 
 from django import forms
@@ -87,7 +85,10 @@ class SegmentModelAdmin(ModelAdmin):
                     'page_count', 'variant_count', 'statistics')
     index_view_extra_js = ['js/commons.js', 'js/index.js']
     index_view_extra_css = ['css/index.css']
-    form_view_extra_js = ['js/commons.js', 'js/form.js']
+    form_view_extra_js = ['js/commons.js', 'js/form.js',
+                          'js/segment_form_control.js',
+                          'wagtailadmin/js/page-chooser-modal.js',
+                          'wagtailadmin/js/page-chooser.js']
     form_view_extra_css = ['css/form.css']
 
     def index_view(self, request):

src/wagtail_personalisation/wagtail_hooks.py

@@ -1,38 +1,46 @@
-from __future__ import absolute_import, unicode_literals
-
 import logging
 
 from django.conf.urls import include, url
 from django.db import transaction
+from django.db.models import F
 from django.http import Http404
 from django.shortcuts import redirect, render
 from django.template.defaultfilters import pluralize
 from django.urls import reverse
 from django.utils.safestring import mark_safe
 from django.utils.translation import ugettext_lazy as _
+from wagtail import VERSION as WAGTAIL_VERSION
 from wagtail.admin import messages
 from wagtail.admin.site_summary import PagesSummaryItem, SummaryItem
-from wagtail.admin.views.pages import get_valid_next_url_from_request
+
+try:
+    from wagtail.admin.views.pages.utils import get_valid_next_url_from_request
+except ModuleNotFoundError:
+    from wagtail.admin.views.pages import get_valid_next_url_from_request  # noqa
+
 from wagtail.admin.widgets import Button, ButtonWithDropdownFromHook
 from wagtail.core import hooks
 from wagtail.core.models import Page
 
 from wagtail_personalisation import admin_urls, models, utils
 from wagtail_personalisation.adapters import get_segment_adapter
+from wagtail_personalisation.models import PersonalisablePageMetadata
 
 logger = logging.getLogger(__name__)
 
 
-@hooks.register('register_admin_urls')
+@hooks.register("register_admin_urls")
 def register_admin_urls():
     """Adds the administration urls for the personalisation apps."""
     return [
-        url(r'^personalisation/', include(
+        url(
-            admin_urls, namespace='wagtail_personalisation')),
+            r"^personalisation/",
+            include(admin_urls, namespace="wagtail_personalisation"),
+        )
     ]
 
 
-@hooks.register('before_serve_page')
+@hooks.register("before_serve_page")
 def set_visit_count(page, request, serve_args, serve_kwargs):
     """Tests the provided rules to see if the request still belongs
     to a segment.
@@ -47,7 +55,7 @@ def set_visit_count(page, request, serve_args, serve_kwargs):
     adapter.add_page_visit(page)
 
 
-@hooks.register('before_serve_page')
+@hooks.register("before_serve_page")
 def segment_user(page, request, serve_args, serve_kwargs):
     """Apply a segment to a visitor before serving the page.
 
@@ -60,7 +68,7 @@ def segment_user(page, request, serve_args, serve_kwargs):
     adapter = get_segment_adapter(request)
     adapter.refresh()
 
-    forced_segment = request.GET.get('segment', None)
+    forced_segment = request.GET.get("segment", None)
     if request.user.is_superuser and forced_segment is not None:
         segment = models.Segment.objects.filter(pk=forced_segment).first()
         if segment:
@@ -78,14 +86,14 @@ class UserbarSegmentedLinkItem:
                     Show as segment: {self.segment.name}</a></div>"""
 
 
-@hooks.register('construct_wagtail_userbar')
+@hooks.register("construct_wagtail_userbar")
 def add_segment_link_items(request, items):
     for item in models.Segment.objects.enabled():
         items.append(UserbarSegmentedLinkItem(item))
     return items
 
 
-@hooks.register('before_serve_page')
+@hooks.register("before_serve_page")
 def serve_variant(page, request, serve_args, serve_kwargs):
     """Apply a segment to a visitor before serving the page.
 
@@ -119,13 +127,13 @@ def serve_variant(page, request, serve_args, serve_kwargs):
             return variant.serve(request, *serve_args, **serve_kwargs)
 
 
-@hooks.register('construct_explorer_page_queryset')
+@hooks.register("construct_explorer_page_queryset")
 def dont_show_variant(parent_page, pages, request):
     return utils.exclude_variants(pages)
 
 
-@hooks.register('register_page_listing_buttons')
+@hooks.register("register_page_listing_buttons")
-def page_listing_variant_buttons(page, page_perms, is_parent=False):
+def page_listing_variant_buttons(page, page_perms, is_parent=False, *args):
     """Adds page listing buttons to personalisable pages. Shows variants for
     the page (if any) and a 'Create a new variant' button.
 
@@ -136,17 +144,18 @@ def page_listing_variant_buttons(page, page_perms, is_parent=False):
     metadata = page.personalisation_metadata
     if metadata.is_canonical:
         yield ButtonWithDropdownFromHook(
-            _('Variants'),
+            _("Variants"),
-            hook_name='register_page_listing_variant_buttons',
+            hook_name="register_page_listing_variant_buttons",
             page=page,
             page_perms=page_perms,
             is_parent=is_parent,
-            attrs={'target': '_blank', 'title': _('Create or edit a variant')},
+            attrs={"target": "_blank", "title": _("Create or edit a variant")},
-            priority=100)
+            priority=100,
+        )
 
 
-@hooks.register('register_page_listing_variant_buttons')
+@hooks.register("register_page_listing_variant_buttons")
-def page_listing_more_buttons(page, page_perms, is_parent=False):
+def page_listing_more_buttons(page, page_perms, is_parent=False, *args):
     """Adds a 'more' button to personalisable pages allowing users to quickly
     create a new variant for the selected segment.
 
@@ -157,48 +166,63 @@ def page_listing_more_buttons(page, page_perms, is_parent=False):
     metadata = page.personalisation_metadata
 
     for vm in metadata.variants_metadata:
-        yield Button('%s variant' % (vm.segment.name),
+        yield Button(
-                     reverse('wagtailadmin_pages:edit', args=[vm.variant_id]),
+            "%s variant" % (vm.segment.name),
-                     attrs={"title": _('Edit this variant')},
+            reverse("wagtailadmin_pages:edit", args=[vm.variant_id]),
-                     classes=("icon", "icon-fa-pencil"),
+            attrs={"title": _("Edit this variant")},
-                     priority=0)
+            classes=("icon", "icon-fa-pencil"),
+            priority=0,
+        )
 
     for segment in metadata.get_unused_segments():
-        yield Button('%s variant' % (segment.name),
+        yield Button(
-                     reverse('segment:copy_page', args=[page.pk, segment.pk]),
+            "%s variant" % (segment.name),
-                     attrs={"title": _('Create this variant')},
+            reverse("segment:copy_page", args=[page.pk, segment.pk]),
-                     classes=("icon", "icon-fa-plus"),
+            attrs={"title": _("Create this variant")},
-                     priority=100)
+            classes=("icon", "icon-fa-plus"),
+            priority=100,
+        )
 
-    yield Button(_('Create a new segment'),
+    yield Button(
-                 reverse('wagtail_personalisation_segment_modeladmin_create'),
+        _("Create a new segment"),
-                 attrs={"title": _('Create a new segment')},
+        reverse("wagtail_personalisation_segment_modeladmin_create"),
-                 classes=("icon", "icon-fa-snowflake-o"),
+        attrs={"title": _("Create a new segment")},
-                 priority=200)
+        classes=("icon", "icon-fa-snowflake-o"),
+        priority=200,
+    )
 
 
 class CorrectedPagesSummaryItem(PagesSummaryItem):
-    def get_context(self):
+    def get_total_pages(self, context):
         # Perform the same check as Wagtail to get the correct count.
         # Only correct the count when a root page is available to the user.
         # The `PagesSummaryItem` will return a page count of 0 otherwise.
         # https://github.com/wagtail/wagtail/blob/5c9ff23e229acabad406c42c4e13cbaea32e6c15/wagtail/admin/site_summary.py#L38
-        context = super().get_context()
+        root_page = context.get("root_page", None)
-        root_page = context.get('root_page', None)
         if root_page:
             pages = utils.exclude_variants(
-                Page.objects.descendant_of(root_page, inclusive=True))
+                Page.objects.descendant_of(root_page, inclusive=True)
+            )
             page_count = pages.count()
 
             if root_page.is_root():
                 page_count -= 1
 
-            context['total_pages'] = page_count
+            return page_count
 
-        return context
+    if WAGTAIL_VERSION >= (2, 15):
+        def get_context_data(self, parent_context):
+            context = super().get_context_data(parent_context)
+            context["total_pages"] = self.get_total_pages(context)
+            return context
+    else:
+        def get_context(self):
+            context = super().get_context()
+            context["total_pages"] = self.get_total_pages(context)
+            return context
 
 
-@hooks.register('construct_homepage_summary_items')
+@hooks.register("construct_homepage_summary_items")
 def add_corrected_pages_summary_panel(request, items):
     """Replaces the Pages summary panel to hide variants."""
     for index, item in enumerate(items):
@@ -211,16 +235,21 @@ class SegmentSummaryPanel(SummaryItem):
     site and allowing quick access to the Segment dashboard.
 
     """
+
     order = 2000
 
     def render(self):
         segment_count = models.Segment.objects.count()
-        target_url = reverse('wagtail_personalisation_segment_modeladmin_index')
+        target_url = reverse("wagtail_personalisation_segment_modeladmin_index")
         title = _("Segments")
-        return mark_safe("""
+        return mark_safe(
+            """
             <li class="icon icon-fa-snowflake-o">
                 <a href="{}"><span>{}</span>{}</a>
-            </li>""".format(target_url, segment_count, title))
+            </li>""".format(
+                target_url, segment_count, title
+            )
+        )
 
 
 class PersonalisedPagesSummaryPanel(PagesSummaryItem):
@@ -228,12 +257,17 @@ class PersonalisedPagesSummaryPanel(PagesSummaryItem):
 
     def render(self):
         page_count = models.PersonalisablePageMetadata.objects.filter(
-            segment__isnull=True).count()
+            segment__isnull=True
+        ).count()
         title = _("Personalised Page")
-        return mark_safe("""
+        return mark_safe(
+            """
             <li class="icon icon-fa-file-o">
                 <span>{}</span>{}{}
-            </li>""".format(page_count, title, pluralize(page_count)))
+            </li>""".format(
+                page_count, title, pluralize(page_count)
+            )
+        )
 
 
 class VariantPagesSummaryPanel(PagesSummaryItem):
@@ -241,15 +275,20 @@ class VariantPagesSummaryPanel(PagesSummaryItem):
 
     def render(self):
         page_count = models.PersonalisablePageMetadata.objects.filter(
-            segment__isnull=False).count()
+            segment__isnull=False
+        ).count()
         title = _("Variant")
-        return mark_safe("""
+        return mark_safe(
+            """
                 <li class="icon icon-fa-files-o">
                     <span>{}</span>{}{}
-                </li>""".format(page_count, title, pluralize(page_count)))
+                </li>""".format(
+                page_count, title, pluralize(page_count)
+            )
+        )
 
 
-@hooks.register('construct_homepage_summary_items')
+@hooks.register("construct_homepage_summary_items")
 def add_personalisation_summary_panels(request, items):
     """Adds a summary panel to the Wagtail dashboard showing the total amount
     of segments on the site and allowing quick access to the Segment
@@ -261,52 +300,61 @@ def add_personalisation_summary_panels(request, items):
     items.append(VariantPagesSummaryPanel(request))
 
 
-@hooks.register('before_delete_page')
+@hooks.register("before_delete_page")
 def delete_related_variants(request, page):
-    if not isinstance(page, models.PersonalisablePageMixin) \
+    if (
-            or not page.personalisation_metadata.is_canonical:
+        not isinstance(page, models.PersonalisablePageMixin)
+        or not page.personalisation_metadata.is_canonical
+    ):
         return
     # Get a list of related personalisation metadata for all the related
     # variants.
-    variants_metadata = (
+    variants_metadata = page.personalisation_metadata.variants_metadata.select_related(
-        page.personalisation_metadata.variants_metadata
+        "variant"
-                                     .select_related('variant')
     )
     next_url = get_valid_next_url_from_request(request)
 
-    if request.method == 'POST':
+    if request.method == "POST":
         parent_id = page.get_parent().id
-        variants_metadata = variants_metadata.select_related('variant')
         with transaction.atomic():
-            for metadata in variants_metadata.iterator():
+            # To ensure variants are deleted for all descendants, start with
-                # Call delete() on objects to trigger any signals or hooks.
+            # the deepest ones, and explicitly delete variants and metadata
-                metadata.variant.delete()
+            # for all of them, including the page itself. Otherwise protected
-            # Delete the page's main variant and the page itself.
+            # foreign key constraints are violated. Only consider canonical
-            page.personalisation_metadata.delete()
+            # pages.
-            page.delete()
+            for metadata in PersonalisablePageMetadata.objects.filter(
-        msg = _("Page '{0}' and its variants deleted.")
+                canonical_page__in=page.get_descendants(inclusive=True),
-        messages.success(
+                variant=F("canonical_page"),
-            request,
+            ).order_by("-canonical_page__depth"):
-            msg.format(page.get_admin_display_title())
+                for variant_metadata in metadata.variants_metadata.select_related(
-        )
+                    "variant"
+                ):
+                    # Call delete() on objects to trigger any signals or hooks.
+                    variant_metadata.variant.delete()
+                metadata.delete()
+                metadata.canonical_page.delete()
 
-        for fn in hooks.get_hooks('after_delete_page'):
+        msg = _("Page '{0}' and its variants deleted.")
+        messages.success(request, msg.format(page.get_admin_display_title()))
+
+        for fn in hooks.get_hooks("after_delete_page"):
             result = fn(request, page)
-            if hasattr(result, 'status_code'):
+            if hasattr(result, "status_code"):
                 return result
 
         if next_url:
             return redirect(next_url)
-        return redirect('wagtailadmin_explore', parent_id)
+        return redirect("wagtailadmin_explore", parent_id)
 
     return render(
         request,
-        'wagtailadmin/pages/wagtail_personalisation/confirm_delete.html', {
+        "wagtailadmin/pages/wagtail_personalisation/confirm_delete.html",
-            'page': page,
+        {
-            'descendant_count': page.get_descendant_count(),
+            "page": page,
-            'next': next_url,
+            "descendant_count": page.get_descendant_count(),
-            'variants': Page.objects.filter(
+            "next": next_url,
-                pk__in=variants_metadata.values_list('variant_id')
+            "variants": Page.objects.filter(
-            )
+                pk__in=variants_metadata.values_list("variant_id")
-        }
+            ),
+        },
     )

tests/conftest.py

@@ -1,5 +1,3 @@
-from __future__ import absolute_import, unicode_literals
-
 import pytest
 
 pytest_plugins = [
@@ -7,6 +5,11 @@ pytest_plugins = [
 ]
 
 
+@pytest.fixture(autouse=True)
+def enable_db_access(db):
+    pass
+
+
 @pytest.fixture(scope='session')
 def django_db_setup(django_db_setup, django_db_blocker):
     from wagtail.core.models import Page, Site

tests/factories/page.py

@@ -5,7 +5,18 @@ from django.utils.text import slugify
 from wagtail_factories.factories import PageFactory
 
 from tests.site.pages import models
+from wagtail_personalisation.models import PersonalisablePageMetadata
 
+try:
+    from wagtail.core.models import Locale
+
+    class LocaleFactory(factory.DjangoModelFactory):
+        language_code = "en"
+
+        class Meta:
+            model = Locale
+except ImportError:
+    pass
 
 class ContentPageFactory(PageFactory):
     parent = None
@@ -22,3 +33,9 @@ class RegularPageFactory(PageFactory):
 
     class Meta:
         model = models.RegularPage
+
+
+class PersonalisablePageMetadataFactory(factory.DjangoModelFactory):
+
+    class Meta:
+        model = PersonalisablePageMetadata

tests/fixtures.py

@@ -23,7 +23,7 @@ def site():
     return site
 
 
-@pytest.fixture
+@pytest.fixture()
 def segmented_page(site):
     page = ContentPageFactory(parent=site.root_page, slug='personalised')
     segment = SegmentFactory()
@@ -46,6 +46,6 @@ class RequestFactory(BaseRequestFactory):
         return request
 
 
-@pytest.fixture
+@pytest.fixture()
 def user(django_user_model):
     return django_user_model.objects.create(username='user')

tests/settings.py

@@ -1,6 +1,5 @@
-from __future__ import absolute_import, unicode_literals
-
 import os
+from importlib.util import find_spec
 
 DATABASES = {
     'default': {
@@ -52,6 +51,7 @@ TEMPLATES = [
     },
 ]
 
+
 MIDDLEWARE = (
     'django.middleware.common.CommonMiddleware',
     'django.contrib.sessions.middleware.SessionMiddleware',
@@ -59,10 +59,14 @@ MIDDLEWARE = (
     'django.contrib.auth.middleware.AuthenticationMiddleware',
     'django.contrib.messages.middleware.MessageMiddleware',
     'django.middleware.clickjacking.XFrameOptionsMiddleware',
-
-    'wagtail.core.middleware.SiteMiddleware',
 )
 
+if find_spec('wagtail.contrib.legacy'):
+    MIDDLEWARE += ('wagtail.contrib.legacy.sitemiddleware.SiteMiddleware',)
+else:
+    MIDDLEWARE += ('wagtail.core.middleware.SiteMiddleware', )
+
+
 INSTALLED_APPS = (
     'wagtail_personalisation',
 

tests/unit/test_models.py

@@ -1,5 +1,3 @@
-from __future__ import absolute_import, unicode_literals
-
 import datetime
 
 import pytest
@@ -8,7 +6,7 @@ from django.db.models import ProtectedError
 from tests.factories.page import ContentPageFactory
 from tests.factories.segment import SegmentFactory
 from tests.site.pages import models
-from wagtail_personalisation.models import PersonalisablePageMetadata
+from wagtail_personalisation.models import PersonalisablePageMetadata, Segment
 from wagtail_personalisation.rules import TimeRule
 
 
@@ -73,3 +71,13 @@ def test_sitemap_generation_for_canonical_pages_is_enabled(segmented_page):
 def test_sitemap_generation_for_variants_is_disabled(segmented_page):
     assert not segmented_page.personalisation_metadata.is_canonical
     assert not segmented_page.get_sitemap_urls()
+
+
+@pytest.mark.django_db
+def test_segment_edit_view(site, client, django_user_model):
+    test_segment = SegmentFactory()
+    try:
+        new_panel = test_segment.panels[1].children[0].bind_to(model=Segment)
+    except AttributeError:
+        new_panel = test_segment.panels[1].children[0].bind_to_model(Segment)
+    assert new_panel.related.name == "wagtail_personalisation_timerules"

tests/unit/test_rules_country_origin.py

@@ -1,5 +1,5 @@
 from importlib.util import find_spec
-from unittest.mock import call, MagicMock, patch
+from unittest.mock import MagicMock, call, patch
 
 import pytest
 
@@ -7,7 +7,6 @@ from tests.factories.rule import OriginCountryRuleFactory
 from tests.factories.segment import SegmentFactory
 from wagtail_personalisation.rules import get_geoip_module
 
-
 skip_if_geoip2_installed = pytest.mark.skipif(
     find_spec('geoip2'), reason='requires GeoIP2 to be not installed'
 )

tests/unit/test_static_dynamic_segments.py

@@ -487,7 +487,7 @@ def test_count_users_matching_static_rules(site, client, mocker, django_user_mod
     form = form_with_data(segment, rule)
     mocker.patch('wagtail_personalisation.rules.VisitCountRule.test_user', return_value=True)
 
-    assert form.count_matching_users([rule], True) is 2
+    assert form.count_matching_users([rule], True) == 2
 
 
 @pytest.mark.django_db
@@ -500,7 +500,7 @@ def test_count_matching_users_excludes_staff(site, client, mocker, django_user_m
     form = form_with_data(segment, rule)
     mock_test_user = mocker.patch('wagtail_personalisation.rules.VisitCountRule.test_user', return_value=True)
 
-    assert form.count_matching_users([rule], True) is 1
+    assert form.count_matching_users([rule], True) == 1
     assert mock_test_user.call_count == 1
 
 
@@ -514,7 +514,7 @@ def test_count_matching_users_excludes_inactive(site, client, mocker, django_use
     form = form_with_data(segment, rule)
     mock_test_user = mocker.patch('wagtail_personalisation.rules.VisitCountRule.test_user', return_value=True)
 
-    assert form.count_matching_users([rule], True) is 1
+    assert form.count_matching_users([rule], True) == 1
     assert mock_test_user.call_count == 1
 
 
@@ -532,7 +532,7 @@ def test_count_matching_users_only_counts_static_rules(site, client, mocker, dja
     form = form_with_data(segment, rule)
     mock_test_user = mocker.patch('wagtail_personalisation.rules.TimeRule.test_user')
 
-    assert form.count_matching_users([rule], True) is 0
+    assert form.count_matching_users([rule], True) == 0
     assert mock_test_user.call_count == 0
 
 
@@ -551,7 +551,7 @@ def test_count_matching_users_handles_match_any(site, client, mocker, django_use
         'wagtail_personalisation.rules.VisitCountRule.test_user',
         side_effect=[True, False, True, False])
 
-    assert form.count_matching_users([first_rule, second_rule], True) is 2
+    assert form.count_matching_users([first_rule, second_rule], True) == 2
     mock_test_user.call_count == 4
 
 
@@ -570,5 +570,5 @@ def test_count_matching_users_handles_match_all(site, client, mocker, django_use
         'wagtail_personalisation.rules.VisitCountRule.test_user',
         side_effect=[True, True, False, True])
 
-    assert form.count_matching_users([first_rule, second_rule], False) is 1
+    assert form.count_matching_users([first_rule, second_rule], False) == 1
     mock_test_user.call_count == 4

tests/unit/test_utils.py

@@ -1,10 +1,19 @@
 import pytest
-
 from django.test import override_settings
+from wagtail.core.models import Page as WagtailPage
 
-from tests.factories.page import ContentPageFactory
+from tests.factories.page import (ContentPageFactory, PersonalisablePageMetadataFactory)
 from wagtail_personalisation.utils import (
-    can_delete_pages, get_client_ip, impersonate_other_page)
+    can_delete_pages, exclude_variants, get_client_ip, impersonate_other_page)
+
+
+locale_factory = False
+
+try:
+    from tests.factories.page import LocaleFactory
+    locale_factory = True
+except ImportError:
+    pass
 
 
 @pytest.fixture
@@ -64,3 +73,57 @@ def test_get_client_ip_custom_get_client_ip_function_does_not_exist(rf):
 )
 def test_get_client_ip_custom_get_client_ip_used(rf):
     assert get_client_ip(rf.get('/')) == '123.123.123.123'
+
+
+def test_exclude_variants_with_pages_querysets():
+    '''
+    Test that excludes variant works for querysets
+    '''
+    for i in range(5):
+        page = ContentPageFactory(path="/" + str(i), depth=0, url_path="/", title="Hoi " + str(i))
+        page.save()
+    pages = WagtailPage.objects.all().specific().order_by('id')
+
+    result = exclude_variants(pages)
+    assert type(result) == type(pages)
+    assert set(result.values_list('pk', flat=True)) == set(pages.values_list('pk', flat=True))
+
+
+def test_exclude_variants_with_pages_querysets_not_canonical():
+    '''
+    Test that excludes variant works for querysets with
+    personalisation_metadata canonical False
+    '''
+    for i in range(5):
+        page = ContentPageFactory(path="/" + str(i), depth=0, url_path="/", title="Hoi " + str(i))
+        page.save()
+    pages = WagtailPage.objects.all().specific().order_by('id')
+    # add variants
+    for page in pages:
+        variant = ContentPageFactory(title='variant %d' % page.pk)
+        page.personalisation_metadata = PersonalisablePageMetadataFactory(canonical_page=page, variant=variant)
+        page.save()
+
+    pages = WagtailPage.objects.all().specific()
+    result = exclude_variants(pages)
+    assert type(result) == type(pages)
+    assert result.count() < pages.count()
+
+
+def test_exclude_variants_with_pages_querysets_meta_none():
+    '''
+    Test that excludes variant works for querysets with meta as none
+    '''
+    for i in range(5):
+        page = ContentPageFactory(path="/" + str(i), depth=0, url_path="/", title="Hoi " + str(i))
+        page.save()
+    pages = WagtailPage.objects.all().specific().order_by('id')
+    # add variants
+    for page in pages:
+        page.personalisation_metadata = PersonalisablePageMetadataFactory(canonical_page=page, variant=page)
+        page.save()
+
+    pages = WagtailPage.objects.all().specific()
+    result = exclude_variants(pages)
+    assert type(result) == type(pages)
+    assert set(result.values_list('pk', flat=True)) == set(pages.values_list('pk', flat=True))

tests/unit/test_views.py

@@ -6,7 +6,7 @@ from wagtail.core.models import Page
 from wagtail_personalisation.models import Segment
 from wagtail_personalisation.rules import VisitCountRule
 from wagtail_personalisation.views import (
-    SegmentModelDeleteView, SegmentModelAdmin)
+    SegmentModelAdmin, SegmentModelDeleteView)
 
 
 @pytest.mark.django_db
@@ -106,5 +106,5 @@ def test_segment_delete_view_raises_permission_denied(rf, segmented_page, user):
     )
     view.request = request
     message = 'User have no permission to delete variant page objects.'
-    with pytest.raises(PermissionDenied, message=message):
+    with pytest.raises(PermissionDenied):
         view.delete_instance()

tests/unit/test_wagtail_hooks.py

@@ -1,9 +1,8 @@
 import pytest
-
 from django.http import Http404
-
 from wagtail.core.models import Page
 
+from tests.factories.page import ContentPageFactory
 from tests.factories.segment import SegmentFactory
 from wagtail_personalisation import adapters, wagtail_hooks
 
@@ -124,3 +123,21 @@ def test_custom_delete_page_view_deletes_variants(rf, segmented_page, user):
     # Make sure all the variant pages have been deleted.
     assert not len(variants.all())
     assert not len(variants_metadata.all())
+
+
+@pytest.mark.django_db
+def test_custom_delete_page_view_deletes_variants_of_child_pages(rf, segmented_page, user):
+    """
+    Regression test for deleting pages that have children with variants
+    """
+    post_request = rf.post('/')
+    user.is_superuser = True
+    rf.user = user
+    canonical_page = segmented_page.personalisation_metadata.canonical_page
+    # Create a child with a variant
+    child_page = ContentPageFactory(parent=canonical_page, slug='personalised-child')
+    child_page.personalisation_metadata.copy_for_segment(segmented_page.personalisation_metadata.segment)
+    # A ProtectedError would be raised if the bug persists
+    wagtail_hooks.delete_related_variants(
+        post_request, canonical_page
+    )

tox.ini

@@ -1,14 +1,29 @@
 [tox]
-envlist = py{36}-django{20}-wagtail{20,21}{,-geoip2},lint
+envlist =
+    flake8
+    py{36,37,38}-dj{22}-wt{211,212,213}
+    py{37,38}-dj{30,31}-wt{211,212,213}
+
+[gh-actions]
+python =
+    3.6: py36
+    3.7: py37
+    3.8: py38
 
 [testenv]
-basepython = python3.6
+basepython =
+    py36: python3.6
+    py37: python3.7
+    py38: python3.8
 commands = coverage run --parallel -m pytest -rs {posargs}
 extras = test
 deps =
-    django20: django>=2.0,<2.1
+    dj22: Django>=2.2.8,<2.3
-    wagtail20: wagtail>=2.0,<2.1
+    dj30: Django>=3.0,<3.1
-    wagtail21: wagtail>=2.1,<2.2
+    dj31: Django>=3.1,<3.2
+    wt211: wagtail>=2.11,<2.12
+    wt212: wagtail>=2.12,<2.13
+    wt213: wagtail>=2.13,<2.14
     geoip2: geoip2
 
 [testenv:coverage-report]
@@ -21,7 +36,16 @@ commands =
 
 [testenv:lint]
 basepython = python3.6
-deps = flake8
+deps = flake8==3.5.0
 commands =
     flake8 src tests setup.py
     isort -q --recursive --diff src/ tests/
+
+[testenv:format]
+basepython = python3.8
+deps =
+    isort
+    black
+skip_install = true
+commands =
+    black --check setup.py src/wagtail_personalisation/ tests/