From 65b80d115a5dfd3353b1a6a481936ea23d7bfbce Mon Sep 17 00:00:00 2001
From: mdipierro <massimo.dipierro@gmail.com>
Date: Fri, 20 Mar 2015 01:28:10 -0500
Subject: [PATCH] allow serialization of dal.py/DAL

---
 gluon/dal.py       | 13 +++++++++++--
 gluon/packages/dal |  2 +-
 2 files changed, 12 insertions(+), 3 deletions(-)

diff --git a/gluon/dal.py b/gluon/dal.py
index 28fb664c..7ff96602 100644
--- a/gluon/dal.py
+++ b/gluon/dal.py
@@ -14,7 +14,7 @@ from pydal import DAL as pyDAL
 from pydal import Field
 from pydal.objects import Row, Rows, Table, Query, Expression
 from pydal import SQLCustomType, geoPoint, geoLine, geoPolygon
-
+import copy_reg as copyreg
 
 def _default_validators(db, field):
     """
@@ -86,7 +86,7 @@ from gluon.utils import web2py_uuid
 from gluon import sqlhtml
 
 
-class DAL(pyDAL):
+class DAL(pyDAL):    
     serializers = w2p_serializers
     validators_method = _default_validators
     uuid = lambda x: web2py_uuid()
@@ -97,6 +97,15 @@ class DAL(pyDAL):
     Field = Field
     Table = Table
 
+def DAL_unpickler(db_uid):
+    return DAL('<zombie>', db_uid=db_uid)
+
+
+def DAL_pickler(db):
+    return DAL_unpickler, (db._db_uid,)
+
+copyreg.pickle(DAL, DAL_pickler, DAL_unpickler)
+
 #: add web2py contrib drivers to pyDAL
 from pydal.drivers import DRIVERS
 if not DRIVERS.get('pymysql'):
diff --git a/gluon/packages/dal b/gluon/packages/dal
index 2554dac7..f816d26b 160000
--- a/gluon/packages/dal
+++ b/gluon/packages/dal
@@ -1 +1 @@
-Subproject commit 2554dac7a4d2a7d85b29601e59bb3333dc13b9fe
+Subproject commit f816d26b6a0bef6d5320c6429f3b601c742e198f