XMPPError exceptions can keep a stanza's contents.

This allows exceptions to include the original
content of a stanza in the error response by including
the parameter clear=False when raising the exception.

sleekxmpp/stanza/iq.py

@@ -144,7 +144,7 @@ class Iq(RootStanza):
                 self.xml.remove(child)
         return self
 
-    def reply(self):
+    def reply(self, clear=True):
         """
         Send a reply <iq> stanza.
 
@@ -152,9 +152,13 @@ class Iq(RootStanza):
 
         Sets the 'type' to 'result' in addition to the default
         StanzaBase.reply behavior.
+
+        Arguments:
+            clear -- Indicates if existing content should be
+                     removed before replying. Defaults to True.
         """
         self['type'] = 'result'
-        StanzaBase.reply(self)
+        StanzaBase.reply(self, clear)
         return self
 
     def send(self, block=True, timeout=None, callback=None):

sleekxmpp/stanza/message.py

@@ -104,7 +104,7 @@ class Message(RootStanza):
         self['type'] = 'normal'
         return self
 
-    def reply(self, body=None):
+    def reply(self, body=None, clear=True):
         """
         Create a message reply.
 
@@ -114,7 +114,9 @@ class Message(RootStanza):
         adds a message body if one is given.
 
         Arguments:
-            body -- Optional text content for the message.
+            body  -- Optional text content for the message.
+            clear -- Indicates if existing content should be removed
+                     before replying. Defaults to True.
         """
         StanzaBase.reply(self)
         if self['type'] == 'groupchat':

sleekxmpp/stanza/presence.py

@@ -173,14 +173,18 @@ class Presence(RootStanza):
             # The priority is not a number: we consider it 0 as a default
             return 0
 
-    def reply(self):
+    def reply(self, clear=True):
         """
         Set the appropriate presence reply type.
 
         Overrides StanzaBase.reply.
+
+        Arguments:
+            clear -- Indicates if the stanza contents should be removed
+                     before replying. Defaults to True.
         """
         if self['type'] == 'unsubscribe':
             self['type'] = 'unsubscribed'
         elif self['type'] == 'subscribe':
             self['type'] = 'subscribed'
-        return StanzaBase.reply(self)
+        return StanzaBase.reply(self, clear)

sleekxmpp/stanza/rootstanza.py

@@ -43,8 +43,8 @@ class RootStanza(StanzaBase):
         Arguments:
             e -- Exception object
         """
-        self.reply()
         if isinstance(e, XMPPError):
+            self.reply(clear=e.clear)
             # We raised this deliberately
             self['error']['condition'] = e.condition
             self['error']['text'] = e.text
@@ -56,6 +56,7 @@ class RootStanza(StanzaBase):
                 self['error']['type'] = e.etype
             self.send()
         else:
+            self.reply()
             # We probably didn't raise this on purpose, so send an error stanza
             self['error']['condition'] = 'undefined-condition'
             self['error']['text'] = "SleekXMPP got into trouble."