Translate Django model data using gettext
Vinaigrette translates Django model data – stored in the database – using GNU gettext and Django’s standard internationalization features.
Add vinaigrette to INSTALLED_APPS in your settings.
Then, tell vinaigrette which fields you want to translate. Because vinaigrette needs to register signals, you should register your model translations when models have finished loading, in the appropriate apps.py files (or wherever you keep your AppConfig subclasses):
import vinaigrette class SaladAppConfig(AppConfig): def ready(self): # Import the model requiring translation from .models import Ingredient # or... Ingredient = self.get_model("Ingredient") # Register fields to translate vinaigrette.register(Ingredient, ['name', 'description'])
This tells vinaigrette to translate the name and description fields on Ingredient objects.
After installing vinaigrette, the PO files generated by manage.py makemessages will include strings from the registered fields. If a particular string is translated, the model value will be the string translated into the appropriate language:
>>> from django.utils.translation import activate >>> i = Ingredient(name=u'Lettuce') >>> i.name u'Lettuce' >>> activate('fr') >>> i.name u'Laitue'
There are a couple of options to restrict which objects translation strings will be collected from. See the docstring for vinaigrette.register.
Vinaigrette adds a --keep-obsolete option to manage.py makemessages, which prevents gettext from deactivating translated messages no longer present in code or in registered database fields.
Vinaigrette is designed for database content that is:
- always edited in the default language
- edited by site administrators, not users
Only model instances are translated. Data accessed via the Django QuerySet values method will not be translated.
In general, when a field is accessed, it will always return the translated version, if one exists. However, if a value is set, the exact value entered (and not the translated version) should be saved to the database. For example:
>>> from django.utils.translation import activate >>> i = Ingredient(name=u'Lettuce') >>> activate('fr') >>> i.name u'Laitue' >>> i.name = 'Cabbage' >>> i.name u'Chou' >>> i.save() >>> Ingredient.objects.get(name='Cabbage').name u'Chou'
Help! The Admin is messing up all the vinaigrette fields whenever I save changes!
Add vinaigrette.middleware.VinaigretteAdminLanguageMiddleware to your settings.MIDDLEWARE to force the admin to always use the main language, and not have vinaigrette mess with your change views.
- Create a virtualenv for the project
- Install tox. When tox is run, it will create the test environments for supported Django and Python versions and then run tests against them
- Rebuild for PyPI
- Remove Python 2 support
- Allow running makemessages without specifying a locale (runs on all locales)
- Address Django upgrade warnings
- Ensure that makemessages works when a non-English locale is active during its execution
- Fix Python 2 support for makemessages
- Add a test for makemessages
- Added an optional contexts parameter for the register function, for providing translation context for model fields.
- Update middleware to the 1.10+ style
- Maintains backwards-compat with 1.9 and below
- Will now work in either MIDDLEWARE_CLASSES or MIDDLEWARE
- Deprecates VinaigrettteAdminLanguageMiddleware for VinaigretteAdminLanguageMiddleware
- Users should change to vinaigrette.middleware.VinaigretteAdminLanguageMiddleware
- vinaigrette.VinaigrettteAdminLanguageMiddleware will continue to work until next major version
- Maintains backwards-compat with 1.9 and below
- Adds tox and pytest for development and testing
- Update contact info
- Django 2.0 support
- Remembered to update version properly
- Add the --keep-vinaigrette-temp option which keeps the temporary file containing the generated list of translations
- Added support for Django 1.9
- Remove support for Django versions < 1.8
- Can specify properties to use instead of database field names in .register() function.
- Support for Django 1.7
- Support for python 3.3.
- Bug fix for the –all option, it now works again.
- New VinaigrettteAdminLanguageMiddleware middleware.
- Support for Django 1.6.
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