default populating of list_display with all the fields

list_display

class CommonAdmin(admin.ModelAdmin):
    ordering = ['id']

    def __init__(self, *args, **kwargs):
        super(CommonAdmin, self).__init__(*args, **kwargs)
        self.set_list_display(args[0])  # set fields to display --> all of them

    def set_list_display(self, model):
        fields = []
        for field in model._meta.fields:
            if field.column == 'id':
                continue
            elif field.get_internal_type() in ('ForeignKey', 'OneToOneField') and field.column.endswith('_id'):
                fields.append(field.column[:-3]) # remove the '_id' to get the relation name !! crazy ! 
            else:
                fields.append(field.column)
        self.list_display = ('__unicode__', ) + tuple(fields)