Django Modeltranslation

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1. Translating Model Fields

from modeltranslation.decorators import register
from django.db import models

class Article(models.Model):
    title = models.CharField(max_length=200)
    content = models.TextField()

@register(Article)
class ArticleTranslationOptions:
    fields = ('title', 'content')

2. Translating Model Choices

from django.utils.translation import gettext_lazy as _
from modeltranslation.translator import translator

translator.register(Article.CHOICES)
translator.translate(Article.CHOICES, from_language='en', to_language='fr')

3. Translating Model-Wide Content

from django.db import models
from django.utils.translation import gettext_lazy as _
from modeltranslation.decorators import register

class Article(models.Model):
    translations = models.JSONField(default=dict)

@register(Article)
class ArticleTranslationOptions:
    fields = ('translations',)

4. Translating Related Models

from django.db import models
from modeltranslation.translator import TranslationOptions

class Category(models.Model):
    name = models.CharField(max_length=200)

class Article(models.Model):
    category = models.ForeignKey(Category, on_delete=models.CASCADE)

class CategoryTranslationOptions(TranslationOptions):
    fields = ('name',)

5. Translating Models with Generic Foreign Keys

from django.contrib.contenttypes.models import ContentType
from django.db import models
from modeltranslation.translator import TranslationOptions

class GenericModel(models.Model):
    content_type = models.ForeignKey(ContentType, on_delete=models.CASCADE)
    object_id = models.PositiveIntegerField()
    content = models.TextField()

class GenericModelTranslationOptions(TranslationOptions):
    fields = ('content',)

6. Translating Models with M2M Fields

from django.db import models
from modeltranslation.translator import TranslationOptions

class Tag(models.Model):
    name = models.CharField(max_length=200)

class Article(models.Model):
    tags = models.ManyToManyField(Tag)

class TagTranslationOptions(TranslationOptions):
    fields = ('name',)

7. Translating Models with Shared Translations

from django.db import models
from modeltranslation.decorators import register
from modeltranslation.translator import TranslationOptions

class SharedTranslationModel(models.Model):
    name = models.CharField(max_length=200)

@register(SharedTranslationModel)
class SharedTranslationModelTranslationOptions(TranslationOptions):
    fields = ('name',)

8. Translating Models with Inherit Translation

from django.db import models
from modeltranslation.decorators import register
from modeltranslation.translator import TranslationOptions

class BaseArticle(models.Model):
    title = models.CharField(max_length=200)

class Article(BaseArticle):
    content = models.TextField()

@register(Article)
class ArticleTranslationOptions(TranslationOptions):
    fields = ('title', 'content')
    inherit_from = 'basearticle'

9. Translating Models with Conditional Translation

from django.db import models
from modeltranslation.decorators import register
from modeltranslation.translator import TranslationOptions

class Article(models.Model):
    title = models.CharField(max_length=200)
    content = models.TextField()
    is_published = models.BooleanField()

@register(Article)
class ArticleTranslationOptions(TranslationOptions):
    fields = ('title', 'content')
    exclude_fields_without_prefix = ('content',)
    conditional_fields = {
        'is_published': lambda record: record.is_published
    }

10. Translating Models with Language Fallback

from django.db import models
from modeltranslation.decorators import register
from modeltranslation.translator import TranslationOptions

class Article(models.Model):
    title = models.CharField(max_length=200)
    content = models.TextField()

@register(Article)
class ArticleTranslationOptions(TranslationOptions):
    fields = ('title', 'content')
    fallback_values = {
        'en-us': ('Title', 'Content')
    }

11. Translating Models with Fallback Language

from django.db import models
from modeltranslation.decorators import register
from modeltranslation.translator import TranslationOptions

class Article(models.Model):
    title = models.CharField(max_length=200)
    content = models.TextField()

@register(Article)
class ArticleTranslationOptions(TranslationOptions):
    fields = ('title', 'content')
    fallback_to_language_code = 'en-us'

12. Translating Models with Translated Fields

from django.db import models
from modeltranslation.decorators import register
from modeltranslation.translator import TranslationOptions

class Article(models.Model):
    title_translated = models.CharField(max_length=200)
    content_translated = models.TextField()

@register(Article)
class ArticleTranslationOptions(TranslationOptions):
    fields = ('title_translated', 'content_translated')

13. Translating Models with Translation Proxies

from django.db import models
from modeltranslation.decorators import register
from modeltranslation.translator import TranslationOptions

class ArticleBase(models.Model):
    title = models.CharField(max_length=200)
    content = models.TextField()

class ArticleTranslation(models.Model):
    main = models.ForeignKey(ArticleBase, on_delete=models.CASCADE)
    language_code = models.CharField(max_length=2)
    title_translated = models.CharField(max_length=200)
    content_translated = models.TextField()

@register(ArticleBase)
class ArticleTranslationOptions(TranslationOptions):
    fields = ('title_translated', 'content_translated')

14. Translating Models with Translated Fields in Separate Tables

from django.db import models
from modeltranslation.decorators import register
from modeltranslation.translator import TranslationOptions

class ArticleBase(models.Model):
    title = models.CharField(max_length=200)

class ArticleTranslation(models.Model):
    articlebase = models.ForeignKey(ArticleBase, on_delete=models.CASCADE)
    language_code = models.CharField(max_length=2)
    title_translated = models.CharField(max_length=200)

@register(ArticleBase)
class ArticleTranslationOptions(TranslationOptions):
    fields = ('title_translated',)
    translation_fields = ('title_translated',)

15. Translating Models with Translated Related Models

from django.db import models
from modeltranslation.decorators import register
from modeltranslation.translator import TranslationOptions

class CategoryBase(models.Model):
    name = models.CharField(max_length=200)

class CategoryTranslation(models.Model):
    categorybase = models.ForeignKey(CategoryBase, on_delete=models.CASCADE)
    language_code = models.CharField(max_length=2)
    name_translated = models.CharField(max_length=200)

@register(CategoryBase)
class CategoryTranslationOptions(TranslationOptions):
    fields = ('name_translated',)
    translation_fields = ('name_translated',)

16. Translating Models with Translated Generic Related Models

from django.contrib.contenttypes.models import ContentType
from django.db import models
from modeltranslation.decorators import register
from modeltranslation.translator import TranslationOptions

class GenericBaseModel(models.Model):
    content_type = models.ForeignKey(ContentType, on_delete=models.CASCADE)
    object_id = models.PositiveIntegerField()

class GenericBaseTranslation(models.Model):
    genericbasemodel = models.ForeignKey(GenericBaseModel, on_delete=models.CASCADE)
    language_code = models.CharField(max_length=2)
    name_translated = models.CharField(max_length=200)

@register(GenericBaseModel)
class GenericBaseTranslationOptions(TranslationOptions):
    fields = ('name_translated',)
    translation_fields = ('name_translated',)

17. Translating Models with Translated M2M Related Models

from django.db import models
from modeltranslation.decorators import register
from modeltranslation.translator import TranslationOptions

class TagBase(models.Model):
    name = models.CharField(max_length=200)

class TagTranslation(models.Model):
    tagbase = models.ForeignKey(TagBase, on_delete=models.CASCADE)
    language_code = models.CharField(max_length=2)
    name_translated = models.CharField(max_length=200)

@register(TagBase)
class TagTranslationOptions(TranslationOptions):
    fields = ('name_translated',)
    translation_fields = ('name_translated',)

18. Translating Models with Prefix

from django.db import models
from modeltranslation.decorators import register
from modeltranslation.translator import TranslationOptions

class Article(models.Model):
    title = models.CharField(max_length=200)
    content = models.TextField()

@register(Article)
class ArticleTranslationOptions(TranslationOptions):
    fields = ('title', 'content')
    prefix = 'translated_'

19. Translating Models with Translation Aliases

from django.db import models
from modeltranslation.decorators import register
from modeltranslation.translator import TranslationOptions

class Article(models.Model):
    title = models.CharField(max_length=200)
    content = models.TextField()

@register(Article)
class ArticleTranslationOptions(TranslationOptions):
    fields = ('title', 'content')
    translation_aliases = {
        'title': 'translated_title',
        'content': 'translated_content'
    }

20. Translating Models with Extra Translation Fields

from django.db import models
from modeltranslation.decorators import register
from modeltranslation.translator import TranslationOptions

class Article(models.Model):
    title = models.CharField(max_length=200)
    content = models.TextField()
    translated_title_length = models.IntegerField()

@register(Article)
class ArticleTranslationOptions(TranslationOptions):
    fields = ('title', 'content')
    extra_fields = ('translated_title_length',)

21. Translating Models with Optional Translated Fields

from django.db import models
from modeltranslation.decorators import register
from modeltranslation.translator import TranslationOptions

class Article(models.Model):
    title = models.CharField(max_length=200)
    content = models.TextField()
    translated_title = models.CharField(max_length=200, blank=True, null=True)

@register(Article)
class ArticleTranslationOptions(TranslationOptions):
    fields = ('title', 'content', 'translated_title')
    optional_fields = ('translated_title',)

22. Translating Models with Multiple Languages

from django.db import models
from modeltranslation.decorators import register
from modeltranslation.translator import TranslationOptions

class Article(models.Model):
    title = models.CharField(max_length=200)
    content = models.TextField()

@register(Article)
class ArticleTranslationOptions(TranslationOptions):
    fields = ('title', 'content')
    languages = ('en', 'fr', 'es')

23. Translating Models with Default Language

from django.db import models
from modeltranslation.decorators import register
from modeltranslation.translator import TranslationOptions

class Article(models.Model):
    title = models.CharField(max_length=200)
    content = models.TextField()

@register(Article)
class ArticleTranslationOptions(TranslationOptions):
    fields = ('title', 'content')
    default_language = 'en'

24. Translating Models with Language Detection

from django.db import models
from modeltranslation.decorators import register
from modeltranslation.translator import TranslationOptions

class Article(models.Model):
    title = models.CharField(max_length=200)
    content = models.TextField()

@register(Article)
class ArticleTranslationOptions(TranslationOptions):
    fields = ('title', 'content')
    autodetect = True

25. Translating Models with Locale-Aware Translation

from django.db import models
from modeltranslation.decorators import register
from modeltranslation.translator import TranslationOptions

class Article(models.Model):
    title = models.CharField(max_length=200)
    content = models.TextField()

@register(Article)
class ArticleTranslationOptions(TranslationOptions):
    fields = ('title', 'content')
    locale_aware = True

26. Translating Models with Locale-Aware Fallback

from django.db import models
from modeltranslation.decorators import register
from modeltranslation.translator import TranslationOptions

class Article(models.Model):
    title = models.CharField(max_length=200)
    content = models.TextField()

@register(Article)
class ArticleTranslationOptions(TranslationOptions):
    fields = ('title', 'content')
    locale_aware = True
    autodetect = True

27. Translating Models with Language-Independent Fields

from django.db import models
from modeltranslation.decorators import register
from modeltranslation.translator import TranslationOptions

class Article(models.Model):
    title = models.CharField(max_length=200)
    content = models.TextField()
    created_at = models.DateTimeField()

@register(Article)
class ArticleTranslationOptions(TranslationOptions):
    fields = ('title', 'content')
    exclude_fields = ('created_at',)

28. Translating Models with Enabled/Disabled Translation

from django.db import models
from modeltranslation.decorators import register
from modeltranslation.translator import TranslationOptions

class Article(models.Model):
    title = models.CharField(max_length=200)
    content = models.TextField()

@register(Article, enabled=True)
class ArticleTranslationOptions(TranslationOptions):
    fields = ('title', 'content')

29. Translating Models with Disabled Translation

from django.db import models
from modeltranslation.decorators import register
from modeltranslation.translator import TranslationOptions

class Article(models.Model):
    title = models.CharField(max_length=200)
    content = models.TextField()

@register(Article, enabled=False)
class ArticleTranslationOptions(TranslationOptions):
    fields = ('title', 'content')

30. Translating Models with Language-Aware Admin Interface

from django.contrib import admin
from modeltranslation.admin import TranslationAdmin

class ArticleAdmin(TranslationAdmin):
    model = Article

admin.site.register(Article, ArticleAdmin)

31. Translating Models with Template Context Extensions

from django.template import Context
from modeltranslation.context import update_translation_context

def view_article(request, article_id):
    article = Article.objects.get(id=article_id)
    context = Context({'article': article})
    update_translation_context(context, request)
    return render(request, 'view_article.html', context)

32. Translating Models with Language Chooser

from django.contrib.sites.models import Site
from modeltranslation.middleware import LanguageMiddleware

class LanguageMiddleware(LanguageMiddleware):
    def process_request(self, request):
        site = Site.objects.get_current()
        language = request.META.get('HTTP_ACCEPT_LANGUAGE', None)
        translation = site.translation_settings.get_translation(language)
        request.LANGUAGE_CODE = translation.language_code

33. Translating Models with LocaleMiddleware

from django.utils import translation
from modeltranslation.middleware import LocaleMiddleware

class LocaleMiddleware(LocaleMiddleware):
    def process_request(self, request):
        translation.activate(request.LANGUAGE_CODE)

34. Translating Models with Django-Admin-Translation

from django.contrib import admin
from django_admin_translation.admin import TranslatableAdmin

class ArticleAdmin(TranslatableAdmin):
    model = Article

admin.site.register(Article, ArticleAdmin)

35. Translating Models with TranslatableModel

from modeltranslation.models import TranslatableModel

class Article(TranslatableModel):
    title = models.CharField(max_length=200)
    content = models.TextField()

    class TranslationOptions:
        fields = ('title', 'content')

36. Translating Models with django-transmeta

from django_transmeta import TranslationModel

class Article(TranslationModel):
    title = models.CharField(max_length=200)
    content = models.TextField()

class ArticleTranslation(TranslationModel.Translation):
    article = TranslationModel.TranslationMeta.fk('Article')
    title = models.CharField(max_length=200)
    content = models.TextField()