The _Binary base type now converts values through

the bytes() callable when run on Python 3; in particular
psycopg2 2.5 with Python 3.3 seems to now be returning
the "memoryview" type, so this is converted to bytes
before return.

1 files changed, 9 insertions, 2 deletions

diff --git a/lib/sqlalchemy/types.py b/lib/sqlalchemy/types.py
index 08aba4b56..1824a9b3f 100644
--- a/lib/sqlalchemy/types.py
+++ b/lib/sqlalchemy/types.py
@@ -1711,8 +1711,15 @@ class _Binary(TypeEngine):
         return process
 
     # Python 3 has native bytes() type
-    # both sqlite3 and pg8000 seem to return it
-    # (i.e. and not 'memoryview')
+    # both sqlite3 and pg8000 seem to return it,
+    # psycopg2 as of 2.5 returns 'memoryview'
+    # Py3K
+    #def result_processor(self, dialect, coltype):
+    #    def process(value):
+    #        if value is not None:
+    #            value = bytes(value)
+    #        return value
+    #    return process
     # Py2K
     def result_processor(self, dialect, coltype):
         if util.jython: