1 from django.db import models

     2 

     3 class P4lModel(models.Model):

     4     class Meta:

     5         app_label = 'p4l'

     6         abstract= True

     7 

     8 class P4lModelLang(P4lModel):

     9     lang = models.CharField(max_length=15, blank=True, null=True, db_index=True) #@xml:lang

    10     class Meta(P4lModel.Meta):

    11         abstract= True