Move ConnectionClosed exception to the dedicated python module.

git-svn-id: https://svn.erp5.org/repos/neo/trunk@1597 71dcc9de-d417-0410-9af5-da40c76e7ee4

neo/client/app.py

@@ -37,7 +37,7 @@ from neo.connection import MTClientConnection
 from neo.node import NodeManager
 from neo.connector import getConnectorHandler
 from neo.client.exception import NEOStorageError, NEOStorageConflictError
-from neo.client.exception import NEOStorageNotFoundError
+from neo.client.exception import NEOStorageNotFoundError, ConnectionClosed
 from neo.exception import NeoException
 from neo.client.handlers import storage, master
 from neo.dispatcher import Dispatcher
@@ -47,10 +47,6 @@ from neo.client.mq import MQ
 from neo.util import u64, parseMasterList
 
 
-class ConnectionClosed(Exception):
-    pass
-
-
 class ConnectionPool(object):
     """This class manages a pool of connections to storage nodes."""
 

neo/client/exception.py

@@ -17,6 +17,9 @@
 
 from ZODB import POSException
 
+class ConnectionClosed(Exception):
+    pass
+
 class NEOStorageError(POSException.StorageError):
     pass