Translates Wagtail CMS models using a registration approach.
Project description
Wagtail Modeltranslation
This app is built using core features of django-modeltranslation: https://github.com/deschler/django-modeltranslation
It’s an alternative approach for i18n support on Wagtail CMS websites.
The wagtail-modeltranslation application is used to translate dynamic content of existing Wagtail models to an arbitrary number of languages, without having to change the original model classes. It uses a registration approach (comparable to Django’s admin app) to add translations to existing or new projects and is fully integrated into the Wagtail admin UI.
The advantage of a registration approach is the ability to add translations to models on a per-app basis. You can use the same app in different projects, whether or not they use translations, and without touching the original model class.
Features
Add translations without changing existing models or views
Translation fields are stored in the same table (no expensive joins)
Supports inherited models (abstract and multi-table inheritance)
Handle more than just text fields
Wagtail admin integration
Flexible fallbacks, auto-population and more!
Default Page model fields has translatable fields by default
StreamFields are now supported!
Caveats
wagtail-modeltranslation patches Wagtail’s Page model with translation fields
title_xx, slug_xx, seo_title_xx, search_description_xx and url_path_xx where “xx” represents the language code for each translated language. This
is done without migrations through command sync_page_translation_fields. Since Page model belongs to
Wagtail it’s within the realm of possibility that one day Wagtail may add a conflicting field to Page thus interfering with wagtail-modeltranslation.
Wagtail’s slugurl tag does not work across languages. wagtail-modeltranslation provides a drop-in replacement named slugurl_trans which by default takes the slug parameter in the default language.
Quick start
Install
wagtail-modeltranslation:pip install wagtail-modeltranslation
Add ‘wagtail_modeltranslation’ to your INSTALLED_APPS setting like this (before all apps that you want to translate):
INSTALLED_APPS = ( ... 'wagtail_modeltranslation', 'wagtail_modeltranslation.makemigrations', 'wagtail_modeltranslation.migrate', )Add ‘django.middleware.locale.LocaleMiddleware’ to MIDDLEWARE on your settings.py:
MIDDLEWARE = ( ... 'django.middleware.locale.LocaleMiddleware', # should be after SessionMiddleware and before CommonMiddleware )Enable i18n on settings.py:
USE_I18N = True
Define available languages on settings.py:
from django.utils.translation import gettext_lazy as _ LANGUAGES = ( ('pt', _('Portuguese')), ('es', _('Spanish')), ('fr', _('French')), )Create translation.py inside the root folder of the app where the model you want to translate exists:
from .models import Foo from modeltranslation.translator import TranslationOptions from modeltranslation.decorators import register @register(Foo) class FooTR(TranslationOptions): fields = ( 'body', )Run
python manage.py makemigrationsfollowed bypython manage.py migrate(repeat every time you add a new language or register a new model)Run
python manage.py sync_page_translation_fields(repeat every time you add a new language)If you’re adding
wagtail-modeltranslationto an existing site runpython manage.py update_translation_fields
Supported versions
wagtail-modeltranslation release |
Compatible Wagtail versions |
Compatible Django versions |
Compatible Python versions |
|---|---|---|---|
0.10 |
>= 1.12, < 2.12 |
>= 1.11 |
2.7, 3.4, 3.5, 3.6 |
0.11 |
>= 2.13, < 3.0 |
>= 3.0 |
3.6, 3.7, 3.8, 3.9 |
0.12 |
>= 3.0 |
>= 3.2 |
3.7, 3.8, 3.9, 3.10 |
Upgrade considerations (v0.10.8)
Template tag change_lang now needs a second parameter, page
Upgrade considerations (v0.8)
This version includes breaking changes as some key parts of the app have been re-written:
The most important change is that Page is now patched with translation fields.
WAGTAILMODELTRANSLATION_ORIGINAL_SLUG_LANGUAGE setting has been deprecated.
To upgrade to this version you need to:
Replace the WagtailTranslationOptions with TranslationOptions in all translation.py files
Run
python manage.py sync_page_translation_fieldsat least once to create Page’s translation fieldsReplace any usages of Wagtail’s {% slugurl ... %} for
wagtail-modeltranslation’s own {% slugurl_trans ... %}While optional it’s recommended to add 'wagtail_modeltranslation.makemigrations' to your INSTALLED_APPS. This will override Django’s makemigrations command to avoid creating spurious Page migrations.
Upgrade considerations (v0.6)
This version has some important changes as there was a refactoring to include django-modeltranslation as a dependency instead of duplicating their code in our version. This allow us to focus on Wagtail admin integration features as django-modeltranslation is very well mantained and is very quickly to fix problems with the latest Django versions. This way we also keep all the django-modeltranslation features (if you want you can also customize django-admin, for example). We also provide a new class to create the translation options classes: WagtailTranslationOptions Most of the changes are related to imports as they change from wagtail-modeltranslation to modeltranslation.
To upgrade to this version you need to:
Replace the TranslationOptions with WagtailTranslationOptions in all translation.py files
The import of the register decorator is now from modeltranslation.decorators import register
The import of translator is now from modeltranslation.translator import translator
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