Add class alias support

* Add class alias support for get_hybrid_properties function

CHANGES.rst

@@ -4,6 +4,12 @@ Changelog
 Here you can see the full list of changes between each SQLAlchemy-Utils release.
 
 
+0.30.15 (2015-07-28)
+^^^^^^^^^^^^^^^^^^^^
+
+- Added support for aliased classes in get_hybrid_properties utility function
+
+
 0.30.14 (2015-07-23)
 ^^^^^^^^^^^^^^^^^^^^
 

sqlalchemy_utils/__init__.py

@@ -92,4 +92,4 @@ from .types import (  # noqa
     WeekDaysType
 )
 
-__version__ = '0.30.14'
+__version__ = '0.30.15'

sqlalchemy_utils/functions/orm.py

@@ -734,14 +734,27 @@ def get_hybrid_properties(model):
         get_hybrid_properties(Category).keys()  # ['lowercase_name']
 
 
+    This function also supports aliased classes
+
+    ::
+
+
+        get_hybrid_properties(
+            sa.orm.aliased(Category)
+        ).keys()  # ['lowercase_name']
+
+
     .. versionchanged: 0.26.7
         This function now returns a dictionary instead of generator
 
+    .. versionchanged: 0.30.15
+        Added support for aliased classes
+
     :param model: SQLAlchemy declarative model or mapper
     """
     return dict(
         (key, prop)
-        for key, prop in sa.inspect(model).all_orm_descriptors.items()
+        for key, prop in get_mapper(model).all_orm_descriptors.items()
         if isinstance(prop, hybrid_property)
     )
 

tests/functions/test_get_hybrid_properties.py

@@ -35,3 +35,10 @@ class TestGetHybridProperties(object):
             list(get_hybrid_properties(sa.inspect(self.Category)).keys()) ==
             ['lowercase_name']
         )
+
+    def test_aliased_class(self):
+        assert (
+            list(get_hybrid_properties(sa.orm.aliased(self.Category)).keys())
+            ==
+            ['lowercase_name']
+        )