mark base model as abstract

[matthijs/upstream/django-ldapdb.git] / ldapdb / models / base.py

diff --git a/ldapdb/models/base.py b/ldapdb/models/base.py
index d09a5e0befbb9decbcfaf32ca62afa807cda66c1..ddf21a2aebff8e66230db55ec8d08ccaa0f6b679 100644 (file)
--- a/ldapdb/models/base.py
+++ b/ldapdb/models/base.py
@@ -36,34 +36,15 @@ import ldap
 import logging
 
 import django.db.models
+from django.db import connections, router
 from django.db.models import signals
 
 import ldapdb
-from ldapdb.models.query import QuerySet
-
-class ModelBase(django.db.models.base.ModelBase):
-    """
-    Metaclass for all LDAP models.
-    """
-    def __new__(cls, name, bases, attrs):
-        super_new = super(ModelBase, cls).__new__
-        new_class = super_new(cls, name, bases, attrs)
-
-        # patch manager to use our own QuerySet class
-        if not new_class._meta.abstract:
-            def get_query_set():
-                return QuerySet(new_class)
-            new_class.objects.get_query_set = get_query_set
-            new_class._default_manager.get_query_set = get_query_set
-
-        return new_class
 
 class Model(django.db.models.base.Model):
     """
     Base class for all LDAP models.
     """
-    __metaclass__ = ModelBase
-
     dn = django.db.models.fields.CharField(max_length=200)
 
     # meta-data
@@ -75,11 +56,13 @@ class Model(django.db.models.base.Model):
         super(Model, self).__init__(*args, **kwargs)
         self.saved_pk = self.pk
 
-    def _collect_sub_objects(self, collector):
+    def _collect_sub_objects(self, seen_objs, parent=None, nullable=False):
         """
         This private API seems to be called by the admin interface in django 1.2
         """
-        pass
+        pk_val = self._get_pk_val()
+        seen_objs.add(self.__class__, pk_val, self,
+                      type(parent), parent, nullable)
 
     def build_rdn(self):
         """
@@ -100,15 +83,22 @@ class Model(django.db.models.base.Model):
         return "%s,%s" % (self.build_rdn(), self.base_dn)
         raise Exception("Could not build Distinguished Name")
 
-    def delete(self):
+    def delete(self, using=None):
         """
         Delete this entry.
         """
+        using = using or router.db_for_write(self.__class__, instance=self)
+        connection = connections[using]
         logging.debug("Deleting LDAP entry %s" % self.dn)
-        ldapdb.connection.delete_s(self.dn)
+        connection.delete_s(self.dn)
         signals.post_delete.send(sender=self.__class__, instance=self)
-        
-    def save(self):
+
+    def save(self, using=None):
+        """
+        Saves the current instance.
+        """
+        using = using or router.db_for_write(self.__class__, instance=self)
+        connection = connections[using]
         if not self.dn:
             # create a new entry
             record_exists = False 
@@ -120,10 +110,10 @@ class Model(django.db.models.base.Model):
                     continue
                 value = getattr(self, field.name)
                 if value:
-                    entry.append((field.db_column, field.get_db_prep_save(value, connection=ldapdb.connection)))
+                    entry.append((field.db_column, field.get_db_prep_save(value, connection=connection)))
 
             logging.debug("Creating new LDAP entry %s" % new_dn)
-            ldapdb.connection.add_s(new_dn, entry)
+            connection.add_s(new_dn, entry)
 
             # update object
             self.dn = new_dn
@@ -140,7 +130,7 @@ class Model(django.db.models.base.Model):
                 new_value = getattr(self, field.name, None)
                 if old_value != new_value:
                     if new_value:
-                        modlist.append((ldap.MOD_REPLACE, field.db_column, field.get_db_prep_save(new_value, connection=ldapdb.connection)))
+                        modlist.append((ldap.MOD_REPLACE, field.db_column, field.get_db_prep_save(new_value, connection=connection)))
                     elif old_value:
                         modlist.append((ldap.MOD_DELETE, field.db_column, None))
 
@@ -149,11 +139,11 @@ class Model(django.db.models.base.Model):
                 new_dn = self.build_dn()
                 if new_dn != self.dn:
                     logging.debug("Renaming LDAP entry %s to %s" % (self.dn, new_dn))
-                    ldapdb.connection.rename_s(self.dn, self.build_rdn())
+                    connection.rename_s(self.dn, self.build_rdn())
                     self.dn = new_dn
             
                 logging.debug("Modifying existing LDAP entry %s" % self.dn)
-                ldapdb.connection.modify_s(self.dn, modlist)
+                connection.modify_s(self.dn, modlist)
             else:
                 logging.debug("No changes to be saved to LDAP entry %s" % self.dn)
 
@@ -173,3 +163,5 @@ class Model(django.db.models.base.Model):
         new_class = new.classobj(name, (base_class,), {'base_dn': base_dn, '__module__': base_class.__module__})
         return new_class
 
+    class Meta:
+        abstract = True