Added example for creating SDO_GEOMETRY.

Object.c

@@ -251,6 +251,7 @@ static int Object_ConvertFromPython(
                     return -1;
                 *ociValue = oracleValue->timestampValue;
                 break;
+            case OCI_TYPECODE_NAMEDCOLLECTION:
             case OCI_TYPECODE_OBJECT:
                 if (Py_TYPE(pythonValue) != &g_ObjectType) {
                     PyErr_SetString(PyExc_TypeError,

samples/InsertGeometry.py

@@ -0,0 +1,46 @@
+#------------------------------------------------------------------------------
+# InsertGeometry.py
+#   This script demonstrates the ability to create Oracle objects (this example
+# uses SDO_GEOMETRY) and insert them into a table.
+#------------------------------------------------------------------------------
+
+from __future__ import print_function
+
+import cx_Oracle
+
+# create and populate Oracle objects
+connection = cx_Oracle.Connection("cx_Oracle/dev")
+typeObj = connection.gettype("SDO_GEOMETRY")
+elementInfoTypeObj = connection.gettype("SDO_ELEM_INFO_ARRAY")
+ordinateTypeObj = connection.gettype("SDO_ORDINATE_ARRAY")
+obj = typeObj.newobject()
+obj.SDO_GTYPE = 2003
+obj.SDO_ELEM_INFO = elementInfoTypeObj.newobject()
+obj.SDO_ELEM_INFO.extend([1, 1003, 3])
+obj.SDO_ORDINATES = ordinateTypeObj.newobject()
+obj.SDO_ORDINATES.extend([1, 1, 5, 7])
+print("Created object", obj)
+
+# create table, if necessary
+cursor = connection.cursor()
+cursor.execute("""
+        select count(*)
+        from user_tables
+        where table_name = 'TESTGEOMETRY'""")
+count, = cursor.fetchone()
+if count == 0:
+    print("Creating table...")
+    cursor.execute("""
+            create table TestGeometry (
+                IntCol number(9) not null,
+                Geometry SDO_GEOMETRY not null
+            )""")
+
+# remove all existing rows and then add a new one
+print("Removing any existing rows...")
+cursor.execute("delete from TestGeometry")
+print("Adding row to table...")
+cursor.execute("insert into TestGeometry values (1, :obj)", obj = obj)
+connection.commit()
+print("Success!")
+