Bug fix. Thread-safe data were not propely initialized

git-svn-id: https://svn.erp5.org/repos/neo/branches/prototype3@546 71dcc9de-d417-0410-9af5-da40c76e7ee4

neo/client/Storage.py

@@ -36,7 +36,6 @@ class Storage(BaseStorage.BaseStorage,
         format='[%(module)12s:%(lineno)3d] %(message)s'
         logging.basicConfig(level=logging.DEBUG, format=format)
         # Transaction must be under protection of lock
-        l = Lock()
         self.app = Application(master_nodes, name, connector)
 
     def load(self, oid, version=None):

neo/client/app.py

@@ -441,6 +441,9 @@ class Application(object):
 
     def tpc_begin(self, transaction, tid=None, status=' '):
         """Begin a new transaction."""
+        # dirty, but we need an initialization point for each thread
+        if getattr(self.local_var, 'txn', None) is None:
+            self._clear_txn()
         # First get a transaction, only one is allowed at a time
         if self.local_var.txn is transaction:
             # We already begin the same transaction