Are you asking about factoring out certain common functionality shared
between models? It's quite common; for example most of my projects
have something like this as a starting point for many models:

class DatestampedModel(models.Model):
        created = models.DateTimeField(default=datetime.now, editable=False)
        modified = ModifiedField(editable=False)

        class Meta:
                abstract = True
                ordering = ('-created',)

class MyActualModel(DatestampedModel)
        ...

Note the difference between abstract base classes and multi-table
inheritance:

http://docs.djangoproject.com/en/1.1/topics/db/models/#id6

Regards
Scott


On May 7, 7:08 am, thierry <thierry.bri...@gmail.com> wrote:
> Hi everybody,
>
> Is there a way to subclass the 'models.Model' class behavior to
> extend
> base functionnalities and attributes to all classes contained in an
> application model ? It seems that the metaclass mechanism force the
> Python inheritance notation to a Database model inheritance.
>
> Thanks,
>
> Thierry.
>
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