Update CHANGELOG.md

![Confirmation page](https://i.imgur.com/h4hflxu.png)

.github/FUNDING.yml

@@ -1,6 +1,2 @@
 github: [fabiocaccamo]
-patreon: fabiocaccamo
-ko_fi: fabiocaccamo
-liberapay: fabiocaccamo
-issuehunt: fabiocaccamo
 custom: ['https://www.paypal.me/fabiocaccamo']

.travis.yml

@@ -76,6 +76,10 @@ jobs:
       env: TOX_ENV=py36-dj31-sqlite
     - python: "3.6"
       env: TOX_ENV=py36-dj31-postgres
+    - python: "3.6"
+      env: TOX_ENV=py36-dj32-sqlite
+    - python: "3.6"
+      env: TOX_ENV=py36-dj32-postgres
     - python: "3.6"
       env: TOX_ENV=py36-djmaster-sqlite
     - python: "3.6"
@@ -100,6 +104,10 @@ jobs:
       env: TOX_ENV=py37-dj31-sqlite
     - python: "3.7"
       env: TOX_ENV=py37-dj31-postgres
+    - python: "3.7"
+      env: TOX_ENV=py37-dj32-sqlite
+    - python: "3.7"
+      env: TOX_ENV=py37-dj32-postgres
     - python: "3.7"
       env: TOX_ENV=py37-djmaster-sqlite
     - python: "3.7"
@@ -116,26 +124,34 @@ jobs:
       env: TOX_ENV=py38-dj31-sqlite
     - python: "3.8"
       env: TOX_ENV=py38-dj31-postgres
+    - python: "3.8"
+      env: TOX_ENV=py38-dj32-sqlite
+    - python: "3.8"
+      env: TOX_ENV=py38-dj32-postgres
     - python: "3.8"
       env: TOX_ENV=py38-djmaster-sqlite
     - python: "3.8"
       env: TOX_ENV=py38-djmaster-postgres
-    # - python: "3.9"
-    #   env: TOX_ENV=py39-dj22-sqlite
-    # - python: "3.9"
-    #   env: TOX_ENV=py39-dj22-postgres
-    # - python: "3.9"
-    #   env: TOX_ENV=py39-dj30-sqlite
-    # - python: "3.9"
-    #   env: TOX_ENV=py39-dj30-postgres
-    # - python: "3.9"
-    #   env: TOX_ENV=py39-dj31-sqlite
-    # - python: "3.9"
-    #   env: TOX_ENV=py39-dj31-postgres
-    # - python: "3.9"
-    #   env: TOX_ENV=py39-djmaster-sqlite
-    # - python: "3.9"
-    #   env: TOX_ENV=py39-djmaster-postgres
+    - python: "3.9"
+      env: TOX_ENV=py39-dj22-sqlite
+    - python: "3.9"
+      env: TOX_ENV=py39-dj22-postgres
+    - python: "3.9"
+      env: TOX_ENV=py39-dj30-sqlite
+    - python: "3.9"
+      env: TOX_ENV=py39-dj30-postgres
+    - python: "3.9"
+      env: TOX_ENV=py39-dj31-sqlite
+    - python: "3.9"
+      env: TOX_ENV=py39-dj31-postgres
+    - python: "3.9"
+      env: TOX_ENV=py39-dj32-sqlite
+    - python: "3.9"
+      env: TOX_ENV=py39-dj32-postgres
+    - python: "3.9"
+      env: TOX_ENV=py39-djmaster-sqlite
+    - python: "3.9"
+      env: TOX_ENV=py39-djmaster-postgres
   allow_failures:
     - env: TOX_ENV=py36-djmaster-sqlite
     - env: TOX_ENV=py36-djmaster-postgres
@@ -143,8 +159,8 @@ jobs:
     - env: TOX_ENV=py37-djmaster-postgres
     - env: TOX_ENV=py38-djmaster-sqlite
     - env: TOX_ENV=py38-djmaster-postgres
-    # - env: TOX_ENV=py39-djmaster-sqlite
-    # - env: TOX_ENV=py39-djmaster-postgres
+    - env: TOX_ENV=py39-djmaster-sqlite
+    - env: TOX_ENV=py39-djmaster-postgres
 install:
   - pip install tox
 services:

CHANGELOG.md

@@ -4,6 +4,76 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [0.16.4](https://github.com/fabiocaccamo/django-admin-interface/releases/tag/0.16.4) - 2021-09-04
+-  Fixed `0020_module_selected_colors` migration for multiple dbs. #132
+-  Fixed sticky pagination `width` and `border-bottom`.
+-  Fixed inlines vertical overlow.
+-  Improved header elements vertical alignment.
+
+## [0.16.3](https://github.com/fabiocaccamo/django-admin-interface/releases/tag/0.16.3) - 2021-04-26
+-  Added `compat` module.
+-  Added missing `0021_file_extension_validator` migration. #126
+-  Formatted migrations.
+
+## [0.16.2](https://github.com/fabiocaccamo/django-admin-interface/releases/tag/0.16.2) - 2021-04-23
+-  Added `python 3.9` and `django 3.2` to CI.
+-  Added `FileExtensionValidator` to `logo` and `favicon` fields. #112
+-  Fixed `models.W042` warning on `django 3.2`.
+-  Fixed header `min-height`.
+-  Fixed selects `min-width`.
+-  Fixed changelist search, actions and submit button horizontal margins.
+-  Fixed related widget wrapper margin/padding with normal select and in inlines.
+-  Fixed tabular inlines horizontal scroll.
+
+## [0.16.1](https://github.com/fabiocaccamo/django-admin-interface/releases/tag/0.16.1) - 2021-04-07
+-  Fixed style of "Delete" and "Save" buttons in the delete confirmation page. #123
+-  Overridden dark-mode css variables introduced in `django 3.2`. #124
+
+## [0.16.0](https://github.com/fabiocaccamo/django-admin-interface/releases/tag/0.16.0) - 2021-03-30
+-  Added customizable colors for selected apps and models in dashboard. #122
+-  Added `responsive_rtl.css` stylesheet. #98
+-  Updated `vazir-font` version to `27.2.2`. #98
+
+## [0.15.6](https://github.com/fabiocaccamo/django-admin-interface/releases/tag/0.15.6) - 2021-03-26
+-  Fixed `show_change_link` related modal support. #120
+-  Fixed inline changelink style.
+-  Made globally available `presentRelatedObjectModal` and `presentRelatedObjectModalOnClickOn` js functions.
+
+## [0.15.5](https://github.com/fabiocaccamo/django-admin-interface/releases/tag/0.15.5) - 2021-03-02
+-  Fixed sticky submit and pagination `z-index` issue with related modal.
+
+## [0.15.4](https://github.com/fabiocaccamo/django-admin-interface/releases/tag/0.15.4) - 2021-03-01
+-  Fixed sticky submit and pagination `z-index` issue with sticky `list_filter` and `django-json-widget`.
+
+## [0.15.3](https://github.com/fabiocaccamo/django-admin-interface/releases/tag/0.15.3) - 2021-02-08
+-  Fixed sticky submit and pagination width when `admin.site.enable_nav_sidebar = False`. #113
+
+## [0.15.2](https://github.com/fabiocaccamo/django-admin-interface/releases/tag/0.15.2) - 2021-02-03
+-  Fixed body classes template rendering.
+-  Improved sticky submit and pagination backward compatibility.
+
+## [0.15.1](https://github.com/fabiocaccamo/django-admin-interface/releases/tag/0.15.1) - 2021-02-03
+-  Fixed and improved sticky form controls and pagination style.
+
+## [0.15.0](https://github.com/fabiocaccamo/django-admin-interface/releases/tag/0.15.0) - 2021-02-03
+-  Added sticky form controls and pagination options. #110
+-  Added support to 4-digit language code in language chooser. #111
+-  Added theme css variables for third-party libraries.
+-  Fixed app module section link hover color.
+
+## [0.14.2](https://github.com/fabiocaccamo/django-admin-interface/releases/tag/0.14.2) - 2021-01-04
+-  Fixed tabular inline scroll bar. #101
+-  Fixed module header selected link color. #102
+-  Fixed main content width when `admin.site.enable_nav_sidebar = False`. #105
+
+## [0.14.1](https://github.com/fabiocaccamo/django-admin-interface/releases/tag/0.14.1) - 2020-11-12
+-  Fixed sticky list-filter floating. #100
+
+## [0.14.0](https://github.com/fabiocaccamo/django-admin-interface/releases/tag/0.14.0) - 2020-10-15
+-  Added list filter sticky option (only for `django >= 3.1.2`).
+-  Enabled list filter dropdown by default.
+-  Fixed changelist searchbar style.
+
 ## [0.13.7](https://github.com/fabiocaccamo/django-admin-interface/releases/tag/0.13.7) - 2020-10-14
 -  Improved responsive widgets style.
 -  Prevented body horizontal scroll.

LICENSE.txt

@@ -1,6 +1,6 @@
 The MIT License (MIT)
 
-Copyright (c) 2016 Fabio Caccamo - fabio.caccamo@gmail.com
+Copyright (c) 2016 - present, Fabio Caccamo - fabio.caccamo@gmail.com
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal

README.md

@@ -22,10 +22,12 @@ django-admin-interface is a modern **responsive flat admin interface customizabl
 - Beautiful default **django-theme**
 - Themes management and customization *(you can **customize admin title, logo and colors**)*
 - Responsive
-- List filter dropdown *(optional)*
-- `NEW` **Related modal** *(instead of the old popup window, optional)*
-- `NEW` **Environment name/marker**
-- `NEW` **Language chooser**
+- Related modal *(instead of the old popup window)*
+- Environment name/marker
+- Language chooser
+- List filter dropdown
+- `NEW` **List filter sticky**
+- `NEW` **Form controls sticky** *(pagination and save/delete buttons)*
 - Compatibility / Style optimizations for:
   - `django-ckeditor`
   - `django-dynamic-raw-id`
@@ -49,7 +51,9 @@ INSTALLED_APPS = (
     #...
 )
 
-X_FRAME_OPTIONS='SAMEORIGIN' # only if django version >= 3.0
+# only if django version >= 3.0
+X_FRAME_OPTIONS = 'SAMEORIGIN'
+SILENCED_SYSTEM_CHECKS = ['security.W019']
 ```
 - Run ``python manage.py migrate``
 - Run ``python manage.py collectstatic``
@@ -77,7 +81,7 @@ Run ``python manage.py loaddata admin_interface_theme_foundation.json``
 Run ``python manage.py loaddata admin_interface_theme_uswds.json``
 
 ### Add more themes
-You can add a theme you've created through the admin to this repository by [sending us a PR](http://makeapullrequest.com/). Here are the steps to follow to add :
+You can add a theme you've created through the admin to this repository by [sending us a PR](http://makeapullrequest.com/). Here are the steps to follow to add:
 
 1. Export your exact theme as fixture using the `dumpdata` admin command:
 ``python manage.py dumpdata admin_interface.Theme --indent 4 -o admin_interface_theme_{{name}}.json --pks=N``
@@ -88,6 +92,34 @@ You can add a theme you've created through the admin to this repository by [send
 
 4. Edit the section above to document your theme.
 
+### Add theme support to third-party libraries
+You can add **theme support to existing third-party libraries** using the following **css variables**:
+
+- `--admin-interface-title-color`
+- `--admin-interface-logo-color`
+- `--admin-interface-env-color`
+- `--admin-interface-header-background-color:`
+- `--admin-interface-header-text-color`
+- `--admin-interface-header-link-color`
+- `--admin-interface-header-link_hover-color`
+- `--admin-interface-module-background-color`
+- `--admin-interface-module-background-selected-color`
+- `--admin-interface-module-text-color`
+- `--admin-interface-module-link-color`
+- `--admin-interface-module-link-selected-color`
+- `--admin-interface-module-link-hover-color`
+- `--admin-interface-generic-link-color`
+- `--admin-interface-generic-link-hover-color`
+- `--admin-interface-save-button-background-color`
+- `--admin-interface-save-button-background-hover-color`
+- `--admin-interface-save-button-text-color`
+- `--admin-interface-delete-button-background-color`
+- `--admin-interface-delete-button-background-hover-color`
+- `--admin-interface-delete-button-text-color`
+- `--admin-interface-related-modal-background-color`
+- `--admin-interface-related-modal-background-opacity`
+
+
 ## Screenshots
 ###### Admin login
 ![django-admin-interface_login](https://cloud.githubusercontent.com/assets/1035294/11240233/55c8d4ba-8df1-11e5-9568-00fdc987ede8.gif)
@@ -133,6 +165,19 @@ Released under [MIT License](LICENSE.txt).
 
 ---
 
+## Supporting
+
+I would like to spend more time on this project, especially to improve it and adding new features.
+
+As everyone knows open-source projects takes up a lot of time that is unpaid. :money_with_wings:
+
+If you are using this package in commercial project(s), please consider the idea to become a sponsor or donating once:
+
+- [GitHub Sponsor](https://github.com/sponsors/fabiocaccamo)
+- [PayPal](https://www.paypal.me/fabiocaccamo)
+- BTC: bc1q2t0pv8z3udpyuvfnx5kskhqdad4dcvtfuzmvjw
+- ETH: 0x8B55Fb7798b5A9F797A4455C00821B6e53daca74
+
 ## See also
 
 - [`django-colorfield`](https://github.com/fabiocaccamo/django-colorfield) - simple color field for models with a nice color-picker in the admin. 🎨
@@ -148,3 +193,5 @@ Released under [MIT License](LICENSE.txt).
 - [`python-benedict`](https://github.com/fabiocaccamo/python-benedict) - dict subclass with keylist/keypath support, I/O shortcuts (base64, csv, json, pickle, plist, query-string, toml, xml, yaml) and many utilities. 📘
 
 - [`python-codicefiscale`](https://github.com/fabiocaccamo/python-codicefiscale) - encode/decode Italian fiscal codes - codifica/decodifica del Codice Fiscale. 🇮🇹 💳
+
+- [`python-fsutil`](https://github.com/fabiocaccamo/python-fsutil) - file-system utilities for lazy devs. 🧟‍♂️

admin_interface/admin.py

@@ -1,13 +1,9 @@
 # -*- coding: utf-8 -*-
 
+from admin_interface.compat import gettext_lazy as _
 from admin_interface.models import Theme
 
-import django
 from django.contrib import admin
-if django.VERSION < (2, 0):
-    from django.utils.translation import ugettext_lazy as _
-else:
-    from django.utils.translation import gettext_lazy as _
 
 
 class ThemeAdmin(admin.ModelAdmin):
@@ -71,8 +67,10 @@ class ThemeAdmin(admin.ModelAdmin):
             'classes': ('wide', ),
             'fields': (
                 'css_module_background_color',
+                'css_module_background_selected_color',
                 'css_module_text_color',
                 'css_module_link_color',
+                'css_module_link_selected_color',
                 'css_module_link_hover_color',
                 'css_module_rounded_corners',
             )
@@ -110,9 +108,19 @@ class ThemeAdmin(admin.ModelAdmin):
                 'related_modal_close_button_visible',
             )
         }),
+        (_('Form Controls'), {
+            'classes': ('wide', ),
+            'fields': (
+                'form_submit_sticky',
+                'form_pagination_sticky',
+            )
+        }),
         (_('List Filter'), {
             'classes': ('wide', ),
-            'fields': ('list_filter_dropdown', )
+            'fields': (
+                'list_filter_dropdown',
+                'list_filter_sticky',
+            )
         }),
         (_('Recent Actions'), {
             'classes': ('wide', ),

admin_interface/apps.py

@@ -1,18 +1,16 @@
 # -*- coding: utf-8 -*-
 
-import django
+from admin_interface.compat import gettext_lazy as _
+
 from django.apps import AppConfig
 from django.db.models.signals import post_migrate
-if django.VERSION < (2, 0):
-    from django.utils.translation import ugettext_lazy as _
-else:
-    from django.utils.translation import gettext_lazy as _
 
 
 class AdminInterfaceConfig(AppConfig):
 
     name = 'admin_interface'
     verbose_name = _('Admin Interface')
+    default_auto_field = 'django.db.models.AutoField'
 
     def ready(self):
 

admin_interface/compat.py

@@ -0,0 +1,15 @@
+# -*- coding: utf-8 -*-
+
+import django
+
+if django.VERSION < (2, 0):
+    from django.utils.encoding import force_text as force_str
+    from django.utils.translation import ugettext_lazy as gettext_lazy
+else:
+    from django.utils.encoding import force_str
+    from django.utils.translation import gettext_lazy
+
+if django.VERSION >= (1, 11):
+    from django.core.validators import FileExtensionValidator
+else:
+    FileExtensionValidator = lambda allowed_extensions: None

admin_interface/migrations/0009_add_enviroment.py

@@ -15,11 +15,21 @@ class Migration(migrations.Migration):
         migrations.AddField(
             model_name='theme',
             name='env',
-            field=models.CharField(choices=[('development', 'Development'), ('testing', 'Testing'), ('staging', 'Staging'), ('production', 'Production')], default='development', max_length=50, verbose_name='enviroment'),
+            field=models.CharField(
+                choices=[
+                    ('development', 'Development'),
+                    ('testing', 'Testing'),
+                    ('staging', 'Staging'),
+                    ('production', 'Production')],
+                default='development',
+                max_length=50,
+                verbose_name='enviroment'),
         ),
         migrations.AddField(
             model_name='theme',
             name='env_visible',
-            field=models.BooleanField(default=True, verbose_name='visible'),
+            field=models.BooleanField(
+                default=True,
+                verbose_name='visible'),
         ),
     ]

admin_interface/migrations/0010_add_localization.py

@@ -15,31 +15,55 @@ class Migration(migrations.Migration):
         migrations.AlterField(
             model_name='theme',
             name='active',
-            field=models.BooleanField(default=True, verbose_name='active'),
+            field=models.BooleanField(
+                default=True,
+                verbose_name='active'),
         ),
         migrations.AlterField(
             model_name='theme',
             name='css',
-            field=models.TextField(blank=True, verbose_name='text color'),
+            field=models.TextField(
+                blank=True,
+                verbose_name='text color'),
         ),
         migrations.AlterField(
             model_name='theme',
             name='env',
-            field=models.CharField(choices=[('development', 'Development'), ('testing', 'Testing'), ('staging', 'Staging'), ('production', 'Production')], default='development', max_length=50, verbose_name='environment'),
+            field=models.CharField(
+                choices=[
+                    ('development', 'Development'),
+                    ('testing', 'Testing'),
+                    ('staging', 'Staging'),
+                    ('production', 'Production')
+                ],
+                default='development',
+                max_length=50,
+                verbose_name='environment'),
         ),
         migrations.AlterField(
             model_name='theme',
             name='logo',
-            field=models.FileField(blank=True, help_text='Leave blank to use the default Django logo', upload_to='admin-interface/logo/', verbose_name='logo'),
+            field=models.FileField(
+                blank=True,
+                help_text='Leave blank to use the default Django logo',
+                upload_to='admin-interface/logo/',
+                verbose_name='logo'),
         ),
         migrations.AlterField(
             model_name='theme',
             name='name',
-            field=models.CharField(default='Django', max_length=50, verbose_name='name'),
+            field=models.CharField(
+                default='Django',
+                max_length=50,
+                verbose_name='name'),
         ),
         migrations.AlterField(
             model_name='theme',
             name='title',
-            field=models.CharField(blank=True, default='Django administration', max_length=50, verbose_name='title'),
+            field=models.CharField(
+                blank=True,
+                default='Django administration',
+                max_length=50,
+                verbose_name='title'),
         ),
     ]

admin_interface/migrations/0012_update_verbose_names.py

@@ -17,11 +17,21 @@ class Migration(migrations.Migration):
         migrations.AlterField(
             model_name='theme',
             name='logo_color',
-            field=colorfield.fields.ColorField(blank=True, default='#FFFFFF', help_text='#FFFFFF', max_length=10, verbose_name='color'),
+            field=colorfield.fields.ColorField(
+                blank=True,
+                default='#FFFFFF',
+                help_text='#FFFFFF',
+                max_length=10,
+                verbose_name='color'),
         ),
         migrations.AlterField(
             model_name='theme',
             name='title_color',
-            field=colorfield.fields.ColorField(blank=True, default='#F5DD5D', help_text='#F5DD5D', max_length=10, verbose_name='color'),
+            field=colorfield.fields.ColorField(
+                blank=True,
+                default='#F5DD5D',
+                help_text='#F5DD5D',
+                max_length=10,
+                verbose_name='color'),
         ),
     ]

admin_interface/migrations/0013_add_related_modal_close_button.py

@@ -15,6 +15,8 @@ class Migration(migrations.Migration):
         migrations.AddField(
             model_name='theme',
             name='related_modal_close_button_visible',
-            field=models.BooleanField(default=True, verbose_name='close button visible'),
+            field=models.BooleanField(
+                default=True,
+                verbose_name='close button visible'),
         ),
     ]

admin_interface/migrations/0014_name_unique.py

@@ -15,6 +15,10 @@ class Migration(migrations.Migration):
         migrations.AlterField(
             model_name='theme',
             name='name',
-            field=models.CharField(default='Django', max_length=50, unique=True, verbose_name='name'),
+            field=models.CharField(
+                default='Django',
+                max_length=50,
+                unique=True,
+                verbose_name='name'),
         ),
     ]

admin_interface/migrations/0015_add_language_chooser_active.py

@@ -15,6 +15,8 @@ class Migration(migrations.Migration):
         migrations.AddField(
             model_name='theme',
             name='language_chooser_active',
-            field=models.BooleanField(default=True, verbose_name='active'),
+            field=models.BooleanField(
+                default=True,
+                verbose_name='active'),
         ),
     ]

admin_interface/migrations/0016_add_language_chooser_display.py

@@ -15,6 +15,13 @@ class Migration(migrations.Migration):
         migrations.AddField(
             model_name='theme',
             name='language_chooser_display',
-            field=models.CharField(choices=[('code', 'code'), ('name', 'name')], default='code', max_length=10, verbose_name='display'),
+            field=models.CharField(
+                choices=[
+                    ('code', 'code'),
+                    ('name', 'name')
+                ],
+                default='code',
+                max_length=10,
+                verbose_name='display'),
         ),
     ]

admin_interface/migrations/0017_change_list_filter_dropdown.py

@@ -0,0 +1,22 @@
+# -*- coding: utf-8 -*-
+
+from __future__ import unicode_literals
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('admin_interface', '0016_add_language_chooser_display'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='theme',
+            name='list_filter_dropdown',
+            field=models.BooleanField(
+                default=True,
+                verbose_name='use dropdown'),
+        ),
+    ]

admin_interface/migrations/0018_theme_list_filter_sticky.py

@@ -0,0 +1,22 @@
+# -*- coding: utf-8 -*-
+
+from __future__ import unicode_literals
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('admin_interface', '0017_change_list_filter_dropdown'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='theme',
+            name='list_filter_sticky',
+            field=models.BooleanField(
+                default=True,
+                verbose_name='sticky position'),
+        ),
+    ]

admin_interface/migrations/0019_add_form_sticky.py

@@ -0,0 +1,29 @@
+# -*- coding: utf-8 -*-
+
+from __future__ import unicode_literals
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('admin_interface', '0018_theme_list_filter_sticky'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='theme',
+            name='form_pagination_sticky',
+            field=models.BooleanField(
+                default=False,
+                verbose_name='sticky pagination'),
+        ),
+        migrations.AddField(
+            model_name='theme',
+            name='form_submit_sticky',
+            field=models.BooleanField(
+                default=False,
+                verbose_name='sticky submit'),
+        ),
+    ]

admin_interface/migrations/0020_module_selected_colors.py

@@ -0,0 +1,46 @@
+# -*- coding: utf-8 -*-
+
+from __future__ import unicode_literals
+
+from django.db import migrations
+from django.db.models import F
+
+import colorfield.fields
+
+
+def default_link_selected(apps, schema_editor):
+    Theme = apps.get_model("admin_interface", "Theme")
+    db_alias = schema_editor.connection.alias
+    Theme.objects.using(db_alias).update(
+        css_module_link_selected_color=F('css_module_link_color'))
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('admin_interface', '0019_add_form_sticky'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='theme',
+            name='css_module_background_selected_color',
+            field=colorfield.fields.ColorField(
+                blank=True,
+                default='#FFFFCC',
+                help_text='#FFFFCC',
+                max_length=10,
+                verbose_name='background selected color'),
+        ),
+        migrations.AddField(
+            model_name='theme',
+            name='css_module_link_selected_color',
+            field=colorfield.fields.ColorField(
+                blank=True,
+                default='#FFFFFF',
+                help_text='#FFFFFF',
+                max_length=10,
+                verbose_name='link selected color'),
+        ),
+        migrations.RunPython(default_link_selected),
+    ]

admin_interface/migrations/0021_file_extension_validator.py

@@ -0,0 +1,45 @@
+# -*- coding: utf-8 -*-
+
+from __future__ import unicode_literals
+
+from admin_interface.compat import FileExtensionValidator
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('admin_interface', '0020_module_selected_colors'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='theme',
+            name='favicon',
+            field=models.FileField(
+                blank=True,
+                help_text='(.ico|.png|.gif - 16x16|32x32 px)',
+                upload_to='admin-interface/favicon/',
+                validators=[
+                    FileExtensionValidator(allowed_extensions=[
+                        'gif', 'ico', 'jpg', 'jpeg', 'png', 'svg'
+                    ])
+                ],
+                verbose_name='favicon'),
+        ),
+        migrations.AlterField(
+            model_name='theme',
+            name='logo',
+            field=models.FileField(
+                blank=True,
+                help_text='Leave blank to use the default Django logo',
+                upload_to='admin-interface/logo/',
+                validators=[
+                    FileExtensionValidator(allowed_extensions=[
+                        'gif', 'jpg', 'jpeg', 'png', 'svg'
+                    ])
+                ],
+                verbose_name='logo'),
+        ),
+    ]

admin_interface/models.py

@@ -3,18 +3,12 @@
 from __future__ import unicode_literals
 
 from admin_interface.cache import del_cached_active_theme
+from admin_interface.compat import FileExtensionValidator, force_str, gettext_lazy as _
 
 from colorfield.fields import ColorField
 
-import django
 from django.db import models
 from django.db.models.signals import post_delete, post_save, pre_save
-if django.VERSION < (2, 0):
-    from django.utils.encoding import force_text as force_str
-    from django.utils.translation import ugettext_lazy as _
-else:
-    from django.utils.encoding import force_str
-    from django.utils.translation import gettext_lazy as _
 
 from six import python_2_unicode_compatible
 
@@ -99,6 +93,8 @@ class Theme(models.Model):
     logo = models.FileField(
         upload_to='admin-interface/logo/',
         blank=True,
+        validators=[FileExtensionValidator(
+            allowed_extensions=['gif', 'jpg', 'jpeg', 'png', 'svg'])],
         help_text=_('Leave blank to use the default Django logo'),
         verbose_name=_('logo'))
     logo_color = ColorField(
@@ -114,6 +110,8 @@ class Theme(models.Model):
     favicon = models.FileField(
         upload_to='admin-interface/favicon/',
         blank=True,
+        validators=[FileExtensionValidator(
+            allowed_extensions=['gif', 'ico', 'jpg', 'jpeg', 'png', 'svg'])],
         help_text=_('(.ico|.png|.gif - 16x16|32x32 px)'),
         verbose_name=_('favicon'))
 
@@ -178,6 +176,12 @@ class Theme(models.Model):
         help_text='#44B78B',
         max_length=10,
         verbose_name=_('background color'))
+    css_module_background_selected_color = ColorField(
+        blank=True,
+        default='#FFFFCC',
+        help_text='#FFFFCC',
+        max_length=10,
+        verbose_name=_('background selected color'))
     css_module_text_color = ColorField(
         blank=True,
         default='#FFFFFF',
@@ -190,6 +194,12 @@ class Theme(models.Model):
         help_text='#FFFFFF',
         max_length=10,
         verbose_name=_('link color'))
+    css_module_link_selected_color = ColorField(
+        blank=True,
+        default='#FFFFFF',
+        help_text='#FFFFFF',
+        max_length=10,
+        verbose_name=_('link selected color'))
     css_module_link_hover_color = ColorField(
         blank=True,
         default='#C9F0DD',
@@ -289,12 +299,23 @@ class Theme(models.Model):
         verbose_name=_('close button visible'))
 
     list_filter_dropdown = models.BooleanField(
-        default=False,
+        default=True,
         verbose_name=_('use dropdown'))
+    list_filter_sticky = models.BooleanField(
+        default=True,
+        verbose_name=_('sticky position'))
+
     recent_actions_visible = models.BooleanField(
         default=True,
         verbose_name=_('visible'))
 
+    form_submit_sticky = models.BooleanField(
+        default=False,
+        verbose_name=_('sticky submit'))
+    form_pagination_sticky = models.BooleanField(
+        default=False,
+        verbose_name=_('sticky pagination'))
+
     def set_active(self):
         self.active = True
         self.save()

admin_interface/static/admin_interface/related-modal/related-modal.js

@@ -130,6 +130,10 @@ if (typeof(django) !== 'undefined' && typeof(django.jQuery) !== 'undefined')
                 el.click(data, presentRelatedObjectModal);
             }
 
+            // assign functions to global variables
+            window.presentRelatedObjectModal = presentRelatedObjectModal;
+            window.presentRelatedObjectModalOnClickOn = presentRelatedObjectModalOnClickOn;
+
             // django 1.7 compatibility
             // $('a.add-another').removeAttr('onclick').click({ lookup:false }, presentRelatedObjectModal);
             presentRelatedObjectModalOnClickOn('a.add-another');
@@ -145,7 +149,10 @@ if (typeof(django) !== 'undefined' && typeof(django.jQuery) !== 'undefined')
             // django-dynamic-raw-id support - #61
             // https://github.com/lincolnloop/django-dynamic-raw-id
             presentRelatedObjectModalOnClickOn('a.dynamic_raw_id-related-lookup', true);
+
+            // show_change_link=True support
+            presentRelatedObjectModalOnClickOn('a.inlinechangelink');
         });
 
     })(django.jQuery);
-}
+}

admin_interface/templates/admin/base_site.html

@@ -17,6 +17,7 @@ https://github.com/fabiocaccamo/django-admin-interface
 */
 {% include "admin_interface/css/admin-interface.css" %}
 {% include "admin_interface/css/admin-interface-fix.css" %}
+{% include "admin_interface/css/form-controls.css" %}
 {% include "admin_interface/css/list-filter-dropdown.css" %}
 {% include "admin_interface/css/recent-actions.css" %}
 {% include "admin_interface/css/related-modal.css" %}
@@ -36,7 +37,7 @@ https://github.com/fabiocaccamo/django-admin-interface
 </style>
 
 {% if current_lang == 'fa' %}
-    <link href="https://cdn.jsdelivr.net/gh/rastikerdar/vazir-font@v26.0.2/dist/font-face.css" rel="stylesheet" type="text/css" />
+<link rel="stylesheet" type="text/css" href="https://cdn.jsdelivr.net/gh/rastikerdar/vazir-font@v27.2.2/dist/font-face.css" />
 {% endif %}
 
 {% endblock %}
@@ -47,12 +48,13 @@ https://github.com/fabiocaccamo/django-admin-interface
 {% get_admin_interface_version as version %}
 {# https://github.com/elky/django-flat-responsive#important-note #}
 <meta name="viewport" content="user-scalable=no, width=device-width, initial-scale=1.0, maximum-scale=1.0">
-<link rel="stylesheet" href="{% static 'admin/css/responsive.css' %}?v={{ version }}">
+<link rel="stylesheet" type="text/css" href="{% static 'admin/css/responsive.css' %}?v={{ version }}">
+<link rel="stylesheet" type="text/css" href="{% static 'admin/css/responsive_rtl.css' %}?v={{ version }}" />
 {% include "admin_interface/favicon.html" %}
 {% include "admin_interface/related-modal.html" %}
 {% endblock %}
 
-{% block bodyclass %}admin-interface flat-theme {% get_admin_interface_theme as theme %}{% if theme.name %}{{ theme.name|slugify }}-theme{% endif %}{% endblock %}
+{% block bodyclass %}admin-interface flat-theme {% get_admin_interface_theme as theme %}{% if theme.name %}{{ theme.name|slugify }}-theme{% endif %}{% if theme.form_submit_sticky %} sticky-submit {% endif %}{% if theme.form_pagination_sticky %} sticky-pagination {% endif %}{% endblock %}
 
 {% block branding %}
 {% get_admin_interface_theme as theme %}

admin_interface/templates/admin_interface/css/admin-interface-fix.css

@@ -23,6 +23,7 @@
 }
 
 .admin-interface.login #header {
+    min-height: auto;
     padding: 10px 30px;
     line-height: 30px;
     align-items: flex-start;
@@ -40,7 +41,6 @@
 
 .admin-interface.login #header #branding h1 img.logo+span {
     display: block;
-    margin-bottom: 5px;
 }
 
 .admin-interface.login #login-form {
@@ -72,16 +72,17 @@
 /* end login fix*/
 
 .admin-interface #header {
-    height:auto;
-    min-height:40px;
+    height: auto;
+    min-height: 55px;
+    box-sizing: border-box;
     display: flex;
     justify-content: space-between;
-    align-items: start;
+    align-items: center;
 }
 
 @media (max-width:1024px) {
     .admin-interface #header {
-        align-items: flex-start;
+        align-items: center;
     }
 }
 
@@ -102,13 +103,28 @@
 
 .admin-interface #branding h1 span {
     display: inline-block;
-    margin-bottom: 5px;
 }
 
 .admin-interface #branding h1 img.logo+span {
     white-space:nowrap;
 }
 
+.admin-interface #user-tools {
+    margin-top: 10px;
+    margin-bottom: 10px;
+    white-space: nowrap;
+    align-self: flex-start;
+}
+
+.admin-interface #user-tools br {
+    display: none;
+}
+@media (max-width: 768px) {
+    .admin-interface #user-tools br {
+        display: block;
+    }
+}
+
 .admin-interface fieldset.collapse {
     border: 1px solid transparent;
 }
@@ -122,11 +138,12 @@
     padding: 0 1px;
 }
 
-/*
-#changelist table tbody tr.selected {
-    background-color:#FFFFCC;
+@media (min-width: 1024px) {
+    .admin-interface #changelist .actions .button,
+    .admin-interface #changelist .actions .action-counter {
+        margin-left: 8px;
+    }
 }
-*/
 
 .admin-interface #changelist .paginator {
     margin-top:-1px; /* merge 2 borders into 1 */
@@ -170,6 +187,12 @@ body.admin-interface .paginator a.showall:visited {
     margin-left: 5px;
 }
 
+.admin-interface .inline-group .inlinechangelink {
+    background-size: contain;
+    padding-left: 15px;
+    margin-left: 10px;
+}
+
 .admin-interface .file-thumbnail > a {
     display: inline-block;
 }
@@ -184,7 +207,6 @@ body.admin-interface .paginator a.showall:visited {
 
 .admin-interface form .form-row p.file-upload .clearable-file-input {
     display:inline-block;
-    margin-left:
 }
 
 .admin-interface form .form-row p.file-upload .clearable-file-input label {
@@ -303,16 +325,13 @@ body.admin-interface .paginator a.showall:visited {
 }
 /* end fix */
 
-/* begin fix issue #10 - Related widget broken in long tabular inline */
-.admin-interface .inline-group .tabular .related-widget-wrapper {
-    white-space:nowrap;
-}
-/* end fix */
-
 /* begin fix tabular inlines horizontal scroll */
-.admin-interface .inline-related.tabular fieldset.module {
-    display: block;
+.admin-interface .inline-related.tabular {
     overflow-x: scroll;
+    overflow-y: hidden;
+}
+.admin-interface .inline-related.tabular fieldset.module {
+    display: contents;
     width: 100%;
     white-space: nowrap;
     position: relative;
@@ -406,6 +425,7 @@ body.admin-interface .paginator a.showall:visited {
     -webkit-box-shadow: 4px 2px 8px -4px #DBDBDB;
     -moz-box-shadow: 4px 2px 8px -4px #DBDBDB;
     box-shadow: 4px 2px 8px -4px #DBDBDB;
+    /*transition: left .3s;*/
 }
 
 .admin-interface .toggle-nav-sidebar::before {
@@ -436,6 +456,7 @@ body.admin-interface .paginator a.showall:visited {
     border-top: none;
     border-bottom: none;
     border-left: none;
+    /*transition: left .3s, margin-left .3s;*/
 }
 
 @media (min-width:1280px) {
@@ -449,34 +470,38 @@ body.admin-interface .paginator a.showall:visited {
     .admin-interface #main:not(.shifted) > .content {
         max-width: 100%;
     }
-    .admin-interface.change-list:not(.popup) #main.shifted > .content,
-    .admin-interface.change-form:not(.popup) #main.shifted > .content {
+    .admin-interface.change-list:not(.popup) #main.shifted > #nav-sidebar + .content,
+    .admin-interface.change-form:not(.popup) #main.shifted > #nav-sidebar + .content {
         max-width: calc(100% - 360px);
     }
 }
 
-.admin-interface #nav-sidebar .current-app .section:link,
-.admin-interface #nav-sidebar .current-app .section:visited {
-    color: #FFFFCC;
-    font-weight: normal;
-}
-
-.admin-interface #nav-sidebar .current-model {
-    background: #FFFFCC;
-}
-
 /* fixed related widget and select2 */
-.admin-interface .aligned .form-row .related-widget-wrapper {
+/* begin fix issue #10 - Related widget broken in long tabular inline */
+.admin-interface .related-widget-wrapper {
     white-space: nowrap;
 }
+/* end fix */
 
-.admin-interface .aligned .form-row .related-widget-wrapper .select2-container ~ .related-widget-wrapper-link {
-    margin-left: 0;
-    padding: 4px 8px 6px 8px;
+.admin-interface .related-widget-wrapper select + .related-widget-wrapper-link,
+.admin-interface .related-widget-wrapper .select2-container + .related-widget-wrapper-link {
+    margin-left: 12px !important;
 }
 
-.admin-interface .aligned .form-row .related-widget-wrapper .select2-container + .related-widget-wrapper-link {
-    margin-left: 5px !important;
+@media (min-width: 768px) {
+    .admin-interface.change-form select {
+        min-width: 150px;
+    }
+}
+
+@media (min-width: 1024px) {
+    .admin-interface.change-form select {
+        min-width: 200px;
+    }
+}
+
+.admin-interface.change-form .inline-related.tabular select {
+    min-width: auto !important;
 }
 
 /* fixed time widget header border radius */
@@ -485,19 +510,40 @@ body.admin-interface .paginator a.showall:visited {
     border-bottom-right-radius: 0;
 }
 
-@media (max-width: 767px) {
+/* fix searchbar overriden padding */
+.admin-interface #changelist #changelist-search #searchbar {
+    padding: 2px 5px 3px 5px;
+}
 
+@media (min-width: 1024px) {
+    .admin-interface #changelist #changelist-search #searchbar,
+    .admin-interface #changelist #changelist-search input[type="submit"],
+    .admin-interface #changelist #changelist-search .quiet {
+        margin-left: 8px;
+    }
+    .admin-interface #changelist #changelist-search label img {
+        vertical-align: text-top;
+        margin-right: 0px;
+    }
+}
+
+@media (max-width: 1024px) {
+    .admin-interface #changelist #toolbar {
+        border-top: 1px solid #eee;
+        border-bottom: 1px solid #eee;
+    }
     /* fixed changelist search size when there are search results and .quiet is visible */
     .admin-interface #changelist-search label img {
-        margin-top: 7px;
+        margin-top: 2px;
     }
-
     .admin-interface #changelist-search .quiet {
         margin: 0 0 0 10px;
         align-self: center;
         flex-basis: content;
     }
+}
 
+@media (max-width: 767px) {
     /* fixed responsive widgets */
     .admin-interface .aligned.collapsed .form-row {
         display: none;

admin_interface/templates/admin_interface/css/form-controls.css

@@ -0,0 +1,95 @@
+/* sticky pagination */
+
+.admin-interface.sticky-pagination.change-list #content-main {
+    padding-bottom: 4.375rem;
+}
+
+.admin-interface.sticky-pagination.change-list .paginator {
+    width: 100%;
+    position: fixed;
+    bottom: 0;
+    right: 0;
+    z-index: 40;
+    box-sizing: border-box;
+    padding-left: 15px;
+    padding-right: 15px;
+    white-space: nowrap;
+    text-overflow: ellipsis;
+    border-radius: 0;
+    border-top: 1px solid #EEEEEE;
+    border-bottom: none;
+    margin: 0;
+}
+
+.admin-interface.sticky-pagination.change-list.popup .paginator {
+    padding-left: 20px;
+    padding-right: 20px;
+}
+
+@media (min-width:768px) {
+    .admin-interface.sticky-pagination.change-list:not(.popup) .paginator {
+        padding-left: 30px;
+        padding-right: 30px;
+    }
+}
+
+@media (min-width:1024px) {
+    .admin-interface.sticky-pagination.change-list:not(.popup) .paginator {
+        padding-left: 40px;
+        padding-right: 40px;
+    }
+}
+
+@media (min-width:1280px) {
+    .admin-interface.sticky-pagination.change-list:not(.popup) #main.shifted > #nav-sidebar + .content .paginator {
+        width: calc(100% - 360px);
+    }
+}
+
+/* sticky submit */
+
+@media (min-width:768px) {
+    .admin-interface.sticky-submit.change-form #content-main {
+        padding-bottom: 4.375rem;
+    }
+
+    .admin-interface.sticky-submit.change-form .submit-row:last-of-type {
+        width: 100%;
+        position: fixed;
+        bottom: 0;
+        right: 0;
+        z-index: 40;
+        box-sizing: border-box;
+        padding-left: 15px;
+        padding-right: 15px;
+        white-space: nowrap;
+        text-overflow: ellipsis;
+        border-radius: 0;
+        border-top: 1px solid #EEEEEE;
+        border-bottom: none !important;
+        margin: 0;
+    }
+
+    .admin-interface.sticky-submit.change-form.popup .submit-row:last-of-type {
+        padding-left: 20px;
+        padding-right: 20px;
+    }
+
+    .admin-interface.sticky-submit.change-form:not(.popup) .submit-row:last-of-type {
+        padding-left: 30px;
+        padding-right: 30px;
+    }
+}
+
+@media (min-width:1024px) {
+    .admin-interface.sticky-submit.change-form:not(.popup) .submit-row:last-of-type {
+        padding-left: 40px;
+        padding-right: 40px;
+    }
+}
+
+@media (min-width:1280px) {
+    .admin-interface.sticky-submit.change-form:not(.popup) #main.shifted > #nav-sidebar + .content .submit-row:last-of-type {
+        width: calc(100% - 359px);
+    }
+}

admin_interface/templates/admin_interface/css/json-widget.css

@@ -23,7 +23,7 @@ https://github.com/jmrivas86/django-json-widget
 .admin-interface div.jsoneditor-contextmenu ul li button.jsoneditor-selected,
 .admin-interface div.jsoneditor-contextmenu ul li button.jsoneditor-selected:focus,
 .admin-interface div.jsoneditor-contextmenu ul li button.jsoneditor-selected:hover {
-    background-color: #FFFFCC;
+    background-color: {{ theme.css_module_background_selected_color }};
     color: #000000;
     font-weight: bold;
 }

admin_interface/templatetags/admin_interface_tags.py

@@ -42,7 +42,7 @@ def get_admin_interface_languages(context):
     if not request:
         return None
     full_path = request.get_full_path()
-    admin_nolang_url = re.sub(r'^\/([\w]{2})([\-\_]{1}[\w]{2})?\/', '/', full_path)
+    admin_nolang_url = re.sub(r'^\/([\w]{2})([\-\_]{1}[\w]{2,4})?\/', '/', full_path)
     if admin_nolang_url == full_path:
         # ImproperlyConfigured - must include admin urls using i18n_patterns:
         # from django.conf.urls.i18n import i18n_patterns

admin_interface/version.py

@@ -1,3 +1,3 @@
 # -*- coding: utf-8 -*-
 
-__version__ = '0.13.7'
+__version__ = '0.16.4'

setup.py

@@ -3,7 +3,7 @@
 
 from setuptools import find_packages, setup
 
-import os
+import os, sys
 
 exec(open('admin_interface/version.py').read())
 
@@ -15,7 +15,8 @@ long_description_file_path = os.path.join(package_path, 'README.md')
 long_description_content_type = 'text/markdown'
 long_description = ''
 try:
-    with open(long_description_file_path) as f:
+    long_description_file_options = {} if sys.version_info[0] < 3 else { 'encoding':'utf-8' }
+    with open(long_description_file_path, 'r', **long_description_file_options) as f:
         long_description = f.read()
 except IOError:
     pass
@@ -54,6 +55,7 @@ setup(
         'Framework :: Django :: 2.2',
         'Framework :: Django :: 3.0',
         'Framework :: Django :: 3.1',
+        'Framework :: Django :: 3.2',
         'Intended Audience :: Developers',
         'License :: OSI Approved :: MIT License',
         'Natural Language :: English',

tests/settings.py

@@ -1,5 +1,7 @@
 # -*- coding: utf-8 -*-
 
+from __future__ import unicode_literals
+
 import django
 import os
 
@@ -91,6 +93,15 @@ DATABASES = {
     'default': database_config.get(database_engine),
 }
 
+USE_I18N = True
+LANGUAGES = (
+    ('en', 'English', ),
+    ('it', 'Italian', ),
+)
+LANGUAGE_CODE = 'en'
+
+ROOT_URLCONF = 'tests.urls'
+
 MEDIA_ROOT = os.path.join(BASE_DIR, 'admin_interface/public/media/')
 MEDIA_URL = '/media/'
 

tests/test_fixtures.py

@@ -1,5 +1,7 @@
 # -*- coding: utf-8 -*-
 
+from __future__ import unicode_literals
+
 from django.core.management import call_command
 from django.test import TestCase
 

tests/test_models.py

@@ -1,5 +1,7 @@
 # -*- coding: utf-8 -*-
 
+from __future__ import unicode_literals
+
 from django.conf import settings
 from django.test import TestCase
 

tests/test_settings.py

@@ -1,5 +1,7 @@
 # -*- coding: utf-8 -*-
 
+from __future__ import unicode_literals
+
 import django
 from django.conf import settings
 from django.core.exceptions import ImproperlyConfigured

tests/test_templatetags.py

@@ -1,6 +1,8 @@
 # -*- coding: utf-8 -*-
 
-from django.test import TestCase
+from __future__ import unicode_literals
+
+from django.test import override_settings, TestCase
 from django.test.client import RequestFactory
 from django.template import Context, Template
 
@@ -20,6 +22,63 @@ class AdminInterfaceTemplateTagsTestCase(TestCase):
     def __render_template(self, string, context=None):
         return Template(string).render(Context(context or {}))
 
+    def test_get_admin_interface_languages(self):
+        context = Context({
+            'request': self.request_factory.get('/en/admin/'),
+        })
+        languages = templatetags.get_admin_interface_languages(context)
+        expected_languages = [
+            {'code': 'en', 'name': 'English', 'default': True, 'active': True, 'activation_url': '/i18n/setlang/?next=/en/admin/'},
+            {'code': 'it', 'name': 'Italian', 'default': False, 'active': False, 'activation_url': '/i18n/setlang/?next=/it/admin/'}
+        ]
+        self.assertEqual(len(languages), len(expected_languages))
+        self.assertEqual(languages[0], expected_languages[0])
+        self.assertEqual(languages[1], expected_languages[1])
+
+    @override_settings(
+        USE_I18N = False,
+    )
+    def test_get_admin_interface_languages_with_i18n_disabled(self):
+        context = Context({
+            'request': self.request_factory.get('/en/admin/'),
+        })
+        languages = templatetags.get_admin_interface_languages(context)
+        self.assertEqual(languages, None)
+
+    @override_settings(
+        ROOT_URLCONF = 'tests.urls_without_i18n_patterns',
+    )
+    def test_get_admin_interface_languages_without_i18n_url_patterns(self):
+        context = Context({
+            'request': self.request_factory.get('/en/admin/'),
+        })
+        languages = templatetags.get_admin_interface_languages(context)
+        self.assertEqual(languages, None)
+
+    @override_settings(
+        LANGUAGES = (
+            ('en', 'English'),
+        ),
+    )
+    def test_get_admin_interface_languages_without_multiple_languages(self):
+        context = Context({
+            'request': self.request_factory.get('/en/admin/'),
+        })
+        languages = templatetags.get_admin_interface_languages(context)
+        self.assertEqual(languages, None)
+
+    def test_get_admin_interface_languages_without_request(self):
+        context = Context({})
+        languages = templatetags.get_admin_interface_languages(context)
+        self.assertEqual(languages, None)
+
+    def test_get_admin_interface_languages_without_language_prefix_in_url(self):
+        context = Context({
+            'request': self.request_factory.get('/admin/'),
+        })
+        languages = templatetags.get_admin_interface_languages(context)
+        self.assertEqual(languages, None)
+
     def test_get_theme(self):
         Theme.objects.all().delete()
         context = Context({})

tests/urls.py

@@ -0,0 +1,20 @@
+# -*- coding: utf-8 -*-
+
+from __future__ import unicode_literals
+
+import django
+from django.contrib import admin
+if django.VERSION < (2, 0):
+    from django.conf.urls import include, url as re_path
+else:
+    from django.urls import include, re_path
+from django.conf.urls.i18n import i18n_patterns
+
+
+urlpatterns = []
+urlpatterns += [
+    re_path(r'^i18n/', include('django.conf.urls.i18n')),
+]
+urlpatterns += i18n_patterns(
+    re_path(r'^admin/', admin.site.urls),
+)

tests/urls_without_i18n_patterns.py

@@ -0,0 +1,15 @@
+# -*- coding: utf-8 -*-
+
+from __future__ import unicode_literals
+
+import django
+from django.contrib import admin
+if django.VERSION < (2, 0):
+    from django.conf.urls import url as re_path
+else:
+    from django.urls import re_path
+
+
+urlpatterns = [
+    re_path(r'^admin/', admin.site.urls),
+]

tox.ini

@@ -2,10 +2,10 @@
 envlist =
     py27-{dj17,dj18,dj19,dj110,dj111}-{sqlite,postgres},
     py35-{dj18,dj19,dj110,dj111,dj20,dj21,dj22}-{sqlite,postgres},
-    py36-{dj18,dj19,dj110,dj111,dj20,dj21,dj22,dj30,dj31,djmaster}-{sqlite,postgres},
-    py37-{dj20,dj21,dj22,dj30,dj31,djmaster}-{sqlite,postgres},
-    py38-{dj22,dj30,dj31,djmaster}-{sqlite,postgres},
-    py39-{dj22,dj30,dj31,djmaster}-{sqlite,postgres},
+    py36-{dj18,dj19,dj110,dj111,dj20,dj21,dj22,dj30,dj31,dj32,djmaster}-{sqlite,postgres},
+    py37-{dj20,dj21,dj22,dj30,dj31,dj32,djmaster}-{sqlite,postgres},
+    py38-{dj22,dj30,dj31,dj32,djmaster}-{sqlite,postgres},
+    py39-{dj22,dj30,dj31,dj32,djmaster}-{sqlite,postgres},
 [testenv]
 passenv = CI TRAVIS TRAVIS_*
 deps =
@@ -19,6 +19,7 @@ deps =
     dj22: Django == 2.2.*
     dj30: Django == 3.0.*
     dj31: Django == 3.1.*
+    dj32: Django == 3.2.*
     djmaster: https://github.com/django/django/archive/master.tar.gz
     # mysql: mysqlclient
     postgres: psycopg2-binary