wagtail-modeltranslation

Simple app to patch modeltranslation (https://github.com/deschler/django-modeltranslation) into Wagtail CMS.

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================

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.

.. image:: https://github.com/infoportugal/wagtail-modeltranslation/blob/master/screenshot.png?raw=true :target: https://github.com/infoportugal/wagtail-modeltranslation/blob/master/screenshot.png?raw=true

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

:code:wagtail-modeltranslation patches Wagtail's :code:Page model with translation fields :code:title_xx, :code:slug_xx, :code:seo_title_xx, :code:search_description_xx and :code:url_path_xx where "xx" represents the language code for each translated language. This is done without migrations through command :code:sync_page_translation_fields. Since :code:Page model belongs to Wagtail it's within the realm of possibility that one day Wagtail may add a conflicting field to :code:Page thus interfering with :code:wagtail-modeltranslation.

Wagtail's :code:slugurl tag does not work across languages. :code:wagtail-modeltranslation provides a drop-in replacement named :code:slugurl_trans which by default takes the slug parameter in the default language.

Quick start

  1. Install :code:wagtail-modeltranslation::

    pip install wagtail-modeltranslation

  2. 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', )

  3. Add 'django.middleware.locale.LocaleMiddleware' to MIDDLEWARE on your settings.py::

    MIDDLEWARE = ( ... 'django.middleware.locale.LocaleMiddleware', # should be after SessionMiddleware and before CommonMiddleware )

  4. Enable i18n on settings.py::

    USE_I18N = True

  5. Define available languages on settings.py::

    from django.utils.translation import gettextlazy as

    LANGUAGES = ( ('pt', ('Portuguese')), ('es', ('Spanish')), ('fr', _('French')), )

  6. 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', )

  7. Run :code:python manage.py makemigrations followed by :code:python manage.py migrate (repeat every time you add a new language or register a new model)

  8. Run :code:python manage.py sync_page_translation_fields (repeat every time you add a new language)

  9. If you're adding :code:wagtail-modeltranslation to an existing site run :code:python manage.py update_translation_fields

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 :code:python manage.py sync_page_translation_fields at least once to create Page's translation fields
  • Replace any usages of Wagtail's {% slugurl ... %} for :code: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

Project Home

https://github.com/infoportugal/wagtail-modeltranslation

Documentation

http://wagtail-modeltranslation.readthedocs.io/

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