X-Git-Url: https://git.stderr.nl/gitweb?p=matthijs%2Fupstream%2Fdjango-ldapdb.git;a=blobdiff_plain;f=ldapdb%2Fmodels%2Fbase.py;h=ddf21a2aebff8e66230db55ec8d08ccaa0f6b679;hp=e98133b58cc7f596f61c365cadfb8b12a27df6a5;hb=f63d2fd7c6ba235d1d2d4353ae4031cbc9ca4b12;hpb=baba34a193fe7d304d86003b19f36ed638c7ec80 diff --git a/ldapdb/models/base.py b/ldapdb/models/base.py index e98133b..ddf21a2 100644 --- a/ldapdb/models/base.py +++ b/ldapdb/models/base.py @@ -36,57 +36,41 @@ 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 base_dn = None + search_scope = ldap.SCOPE_SUBTREE object_classes = ['top'] def __init__(self, *args, **kwargs): 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): """ Build the Relative Distinguished Name for this entry. """ bits = [] - for field in self._meta.local_fields: - if field.primary_key: + for field in self._meta.fields: + if field.db_column and field.primary_key: bits.append("%s=%s" % (field.db_column, getattr(self, field.name))) if not len(bits): raise Exception("Could not build Distinguished Name") @@ -99,30 +83,37 @@ 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 entry = [('objectClass', self.object_classes)] new_dn = self.build_dn() - for field in self._meta.local_fields: + for field in self._meta.fields: if not field.db_column: 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 @@ -132,14 +123,14 @@ class Model(django.db.models.base.Model): record_exists = True modlist = [] orig = self.__class__.objects.get(pk=self.saved_pk) - for field in self._meta.local_fields: + for field in self._meta.fields: if not field.db_column: continue old_value = getattr(orig, field.name, None) 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)) @@ -148,11 +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) @@ -172,3 +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