From 1f177cf90b37180faa8162f9c9d60c50cf5aabb2 Mon Sep 17 00:00:00 2001
From: Daniel Nouri <daniel.nouri@gmail.com>
Date: Wed, 24 Jun 2015 10:10:14 +0200
Subject: [PATCH] Use base64 module instead of codecs, which doesn't know
 'base64' in Python 3.3.

---
 palladium/persistence.py | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/palladium/persistence.py b/palladium/persistence.py
index e944fb8..e285823 100644
--- a/palladium/persistence.py
+++ b/palladium/persistence.py
@@ -1,7 +1,7 @@
 """:class:`~palladium.interfaces.ModelPersister` implementations.
 """
 
-import codecs
+import base64
 import gzip
 import io
 import json
@@ -22,7 +22,6 @@
 from sqlalchemy.orm import scoped_session
 from sqlalchemy.orm import sessionmaker
 from sqlalchemy.types import TypeDecorator
-from sqlalchemy.types import STRINGTYPE
 
 from . import __version__
 from .interfaces import annotate
@@ -369,12 +368,12 @@ class BytesToBase64Type(TypeDecorator):
 
         def process_bind_param(self, value, dialect):
             if value is not None:
-                value = codecs.encode(bytes(value), 'base64').decode('utf-8')
+                value = base64.b64encode(bytes(value)).decode('ascii')
             return value
 
         def process_result_value(self, value, dialect):
             if value is not None:
-                value = codecs.decode(value.encode('utf-8'), 'base64')
+                value = base64.b64decode(value.encode('ascii'))
             return value
 
     def DBModelChunkClass(self, Base):