def notify_observer(*args, **kwargs):
pass
-class PlCoreBase(models.Model):
+# This manager will be inherited by all subclasses because
+# the core model is abstract.
+class PlCoreBaseManager(models.Manager):
+ def get_query_set(self):
+ return super(PlCoreBaseManager, self).get_query_set().filter(deleted=False)
# default values for created and updated are only there to keep evolution
# from failing.
-
+class PlCoreBase(models.Model):
+ objects = PlCoreBaseManager()
created = models.DateTimeField(auto_now_add=True, default=datetime.datetime.now())
updated = models.DateTimeField(auto_now=True, default=datetime.datetime.now())
enacted = models.DateTimeField(null=True, default=None)
backend_status = models.CharField(max_length=140,
- default="Ok")
+ default="Provisioning in progress")
+ deleted = models.BooleanField(default=False)
class Meta:
+ # Changing abstract to False would require the managers of subclasses of
+ # PlCoreBase to be customized individually.
abstract = True
app_label = "core"