Fixed error when adapt()ing None

1 files changed, 5 insertions, 0 deletions

diff --git a/psycopg/microprotocols.c b/psycopg/microprotocols.c
index 4232fd4..f451e7e 100644
--- a/psycopg/microprotocols.c
+++ b/psycopg/microprotocols.c
@@ -78,6 +78,11 @@ microprotocols_adapt(PyObject *obj, PyObject *proto, PyObject *alt)
     /* we don't check for exact type conformance as specified in PEP 246
        because the ISQLQuote type is abstract and there is no way to get a
        quotable object to be its instance */
+       
+    /* None is always adapted to NULL */
+    
+    if (obj == Py_None)
+        return PyString_FromString("NULL");
 
     Dprintf("microprotocols_adapt: trying to adapt %s", obj->ob_type->tp_name);