Hello 0.1.4 version!

CHANGES.rst

@@ -1,3 +1,13 @@
+0.1.4 (2015-06-19)
+==================
+
+- delete method ``get_pk_with_class_name``
+
+Bug Fixes
+---------
+
+- fix ``_get_tree_table`` function for inheritance models
+
 0.1.3 (2015-06-17)
 ==================
 

sqlalchemy_mptt/__init__.py

@@ -10,7 +10,7 @@
 from .mixins import BaseNestedSets
 from .events import TreesManager
 
-__version__ = "0.1.4.dev1"
+__version__ = "0.1.4"
 __mixins__ = [BaseNestedSets]
 __all__ = ['BaseNestedSets', 'mptt_sessionmaker']
 

sqlalchemy_mptt/events.py

@@ -57,7 +57,7 @@ def _insert_subtree(table, connection, node_size,
 
 def _get_tree_table(mapper):
     for table in mapper.tables:
-        if all(key in table.c for key in ['level', ]):
+        if all(key in table.c for key in ['level', 'lft', 'rgt', 'parent_id']):
             return table
 
 

sqlalchemy_mptt/tests/__init__.py

@@ -57,6 +57,7 @@ def add(self, model, fixtures):
             if hasattr(model, 'sqlalchemy_mptt_pk_name'):
                 fixture[model.sqlalchemy_mptt_pk_name] = fixture.pop('id')
             self.session.add(model(**fixture))
+            self.session.flush()
 
 
 class TreeTestingMixin(

sqlalchemy_mptt/tests/test_inheritance.py

@@ -110,11 +110,61 @@ def test_rebuild(self):
         # hierarchies:
         # http://docs.sqlalchemy.org/en/rel_0_9/orm/query.html?highlight=update#sqlalchemy.orm.query.Query.update
         #
-        # tl;dr: This test will always fail on specialized classes.
+        # This test will always fail on specialized classes.
         try:
             super(TestSpecializedTree, self).test_rebuild()
         except Exception:
             import nose
             raise nose.SkipTest()
         else:
             raise AssertionError('Failure expected')  # pragma: no cover
+
+
+Base2 = declarative_base()
+
+
+class BaseInheritance(Base2):
+    __tablename__ = "base_inheritance"
+
+    ppk = sa.Column('idd', sa.Integer, primary_key=True)
+    type = sa.Column(sa.Integer, default=0)
+    visible = sa.Column(sa.Boolean)
+
+    __mapper_args__ = {
+        'polymorphic_identity': 0,
+        'polymorphic_on': type,
+    }
+
+    def __repr__(self):
+        return "<Node (%s)>" % self.ppk
+
+
+class InheritanceTree(BaseInheritance, BaseNestedSets):
+    __tablename__ = "inheriance_tree"
+
+    ppk = sa.Column('idd', sa.Integer, sa.ForeignKey(BaseInheritance.ppk),
+                    primary_key=True)
+    sqlalchemy_mptt_pk_name = 'ppk'
+
+    __mapper_args__ = {
+        'polymorphic_identity': 1,
+    }
+
+
+class TestInheritanceTree(TreeTestingMixin, unittest.TestCase):
+    base = Base2
+    model = InheritanceTree
+
+    def test_rebuild(self):
+        # See the following URL for caveats when using update on mapped
+        # hierarchies:
+        # http://docs.sqlalchemy.org/en/rel_0_9/orm/query.html?highlight=update#sqlalchemy.orm.query.Query.update
+        #
+        # This test will always fail on specialized classes.
+        try:
+            super(TestInheritanceTree, self).test_rebuild()
+        except Exception:
+            import nose
+            raise nose.SkipTest()
+        else:
+            raise AssertionError('Failure expected')  # pragma: no cover