# HG changeset patch
# User souliane <souliane@mailoo.org>
# Date 1387212594 -3600
# Node ID c8b9f675ac1771e0947747831c2fb4d4e9a70be0
# Parent  192b804ee44699cd34743f820a87f9b19704b374
plugin XEP-0033: avoid the controlled error to explode (use return Failure(...) instead of raise)

diff -r 192b804ee446 -r c8b9f675ac17 src/plugins/plugin_xep_0033.py
--- a/src/plugins/plugin_xep_0033.py	Mon Dec 16 14:48:28 2013 +0100
+++ b/src/plugins/plugin_xep_0033.py	Mon Dec 16 17:49:54 2013 +0100
@@ -22,6 +22,7 @@
 from wokkel import disco, iwokkel
 from zope.interface import implements
 from twisted.words.protocols.jabber.jid import JID
+from twisted.python.failure import Failure
 import copy
 try:
     from twisted.words.protocols.xmlstream import XMPPHandler
@@ -83,7 +84,7 @@
 
             def discoCallback(entity):
                 if entity is None:
-                    raise AbortSendMessage(_("XEP-0033 is being used but the server doesn't support it!"))
+                    return Failure(AbortSendMessage(_("XEP-0033 is being used but the server doesn't support it!")))
                 to = JID(mess_data["to"].host)
                 if to != entity:
                     logging.warning(_("Stanzas using XEP-0033 should be addressed to %s, not %s!") % (entity, to))
@@ -94,8 +95,8 @@
                 for type_, jid_ in entries:
                     element.addChild(domish.Element((None, 'address'), None, {'type': type_, 'jid': jid_}))
                 # when the prosody plugin is completed, we can immediately return mess_data from here
-                return self.sendAndStoreMessage(mess_data, entries, profile)
-
+                self.sendAndStoreMessage(mess_data, entries, profile)
+                return Failure(MessageSentAndStored("XEP-0033 took over"))
             d = self.host.requestServerDisco(NS_ADDRESS, profile_key=profile)
             d.addCallbacks(discoCallback, lambda dummy: discoCallback(None))
             return d
@@ -105,7 +106,7 @@
 
     def sendAndStoreMessage(self, mess_data, entries, profile):
         """Check if target servers support XEP-0033, send and store the messages
-        @raise: a friendly failure to let the core know that we sent the message already
+        @return: a friendly failure to let the core know that we sent the message already
 
         Later we should be able to remove this method because:
         # XXX: sending the messages should be done by the local server
@@ -145,8 +146,6 @@
         d = defer.Deferred().addCallback(lambda dummy: self.internal_data.pop(timestamp))
         defer.DeferredList(defer_list).chainDeferred(d)
 
-        raise MessageSentAndStored("XEP-0033 took over")
-
     def messageReceivedTrigger(self, message, post_treat, profile):
         """In order to save the addressing information in the history"""
         def post_treat_addr(data, addresses):