Make neoctl expect & handle properly a "not ready" error code from admin node.

git-svn-id: https://svn.erp5.org/repos/neo/branches/prototype3@1037 71dcc9de-d417-0410-9af5-da40c76e7ee4

neo/neoctl/app.py

@@ -15,7 +15,7 @@
 # along with this program; if not, write to the Free Software
 # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 
-from neo.neoctl.neoctl import NeoCTL
+from neo.neoctl.neoctl import NeoCTL, NotReadyException
 from neo.util import bin, dump
 from neo import protocol
 
@@ -209,7 +209,10 @@ class Application(object):
             if result is None:
                 result = 'Ok'
         else:
+            try:
                 result = action(args[level:])
+            except NotReadyException, message:
+                result = message
 
         return result
 

neo/neoctl/handler.py

@@ -68,3 +68,6 @@ class CommandEventHandler(EventHandler):
     def handleNoError(self, conn, packet, msg):
         self.__respond((packet.getType(), protocol.NO_ERROR_CODE, msg))
 
+    def handleNotReady(self, conn, packet, msg):
+        self.__respond((packet.getType(), protocol.NOT_READY_CODE, msg))
+

neo/neoctl/neoctl.py

@@ -21,6 +21,9 @@ from neo.event import EventManager
 from neo.neoctl.handler import CommandEventHandler
 from neo import protocol
 
+class NotReadyException(Exception):
+    pass
+
 class NeoCTL(object):
 
     connection = None
@@ -52,7 +55,11 @@ class NeoCTL(object):
             self.em.poll(0)
             if not self.connected:
                 raise Exception, 'Connection closed'
-        return response_queue.pop()
+        response = response_queue.pop()
+        if response[0] == protocol.ERROR and \
+           response[1] == protocol.NOT_READY_CODE:
+            raise NotReadyException(response[2])
+        return response
 
     def enableStorageList(self, node_list):
         """