i18n_for_user_content

# From my lightning talk at DjangCon.eu 2010
#   I18N for User Content: Wikipedia Style

# Approach by django-modeltranslation
class News(models.Model):
    title = models.CharField(max_length=255)
    title_de = models.CharField(null=True, blank=True, max_length=255)
    title_en = models.CharField(null=True, blank=True, max_length=255)
    text = models.TextField()
    text_de = models.TextField(null=True, blank=True)
    text_en = models.TextField(null=True, blank=True)
    
# and transmeta:

from transmeta import TransMeta

class Book(models.Model):
    __metaclass__ = TransMeta

    title = models.CharField(max_length=200)
    description = models.TextField()

    class Meta:
        translate = ('title', 'description',)

# basically the same, just different tools and trickery

# Approach by transdb
class MyModel(models.Model):
  my_char_field = TransCharField(max_length=32)
  my_text_field = TransTextField()
# ...
u'{u'en': u'This is english', u'ca': u'Això és català'}'


# Approach by django-pluggable-model-i18n
class Item(models.Model):
    title = models.CharField(max_length=150)

class ItemTranslation(translator.ModelTranslation):
    fields = ('title',)
translator.register(Item, ItemTranslation)

# generates:
class ItemTranslation(models.Model):
    _language = models.CharField(db_index=True)
    _master = models.ForeignKey(Item, related_name='translations')
    title = models.CharField(max_length=150)

# We used the model inheritance to connect objects with sites:

from django.db import models
from django.contrib.sites.models import Site

class SiteModel(models.Model):
    site = models.ForeignKey(Site)
    
    def save(self, **kwargs):
        if self.site_id is None:
            self.site = Site.objects.get_current()
        super(SiteModel, self).save(**kwargs)

class News(SiteModel):
    title = models.CharField(max_length=255)


# A manager factory creates two managers from two different superclasses
from django.db import models
from django.contrib.sites.managers import CurrentSiteManager

def get_custom_news_manager(superclass):
    class GenericNewsManager(superclass):
        # custom methods here
    
    return GenericNewsManager

class News(SiteModel):
    title = models.CharField(max_length=255)
    # ...
    anysite_objects = get_custom_news_manager(models.Manager)()
    objects = get_custom_news_manager(CurrentSiteManager)()


# a site_settings.py is imported with site specific settings

LOCALE = "de.UTF-8"
LANGUAGE_CODE = 'de'
SITE_ID = 2
SITE_DOMAIN = "de.bpmn-community.org"