Hack to display hvad translated fields in the admin's changelist.

hvad_admin.py

from django.contrib.admin.util import label_for_field

from hvad.admin import TranslatableAdmin as BaseTranslatableAdmin


class TranslatableAdmin(BaseTranslatableAdmin):
    """
    Translation friendly admin base class.
    Allows user to display translated fields in the admin changelist.
    """
    # We make use of a NEW attribute here.
    # This is just like list_display except that it accepts translated fields.
    # To do so prepend hvad translated fields with "hvad__" like so:
    #       hvad_list_display = ['hvad__mytranslatedfield', 'normalfield']
    # Just like in list_display the fields are listed in the way they are defined.
    hvad_list_display = []

    # Here we identify the string that will be used to identify translated fields.
    hvad_field_prefix = 'hvad__'

    def wrap_hvad(self, model_field):
        """
        Returns a wrapper that knows how to represent a translated field.
        """
        model_field = model_field.split('__')[1]
        translation_model = self.model._meta.translations_model
        try:
            field = translation_model._meta.get_field(model_field)
        except FieldDoesNotExist as e:
            raise e
        def hvad_for_admin(obj):
            return obj.lazy_translation_getter(model_field, obj.pk)
        hvad_for_admin.short_description = label_for_field(model_field, translation_model)
        return hvad_for_admin

    def get_list_display(self, request):
        """
        Return a sequence containing the fields to be displayed on the
        changelist by wrapping the fields in self.hvad_list_display that starts with the prefix defined in
        hvad_field_prefix.
        """
        fields = [self.wrap_hvad(field_name) if field_name.startswith(self.hvad_field_prefix) else field_name 
                    for field_name in self.hvad_list_display]
        return fields