Added a __copy__ method to both ElementBase and StanzaBase.

Stanzas may now be copied using copy.copy(), which will be useful to prevent
stanza objects from being shared between event handlers.

1 files changed, 7 insertions, 0 deletions

diff --git a/sleekxmpp/xmlstream/stanzabase.py b/sleekxmpp/xmlstream/stanzabase.py
index 64020c8f..a0d8f5d0 100644
--- a/sleekxmpp/xmlstream/stanzabase.py
+++ b/sleekxmpp/xmlstream/stanzabase.py
@@ -10,6 +10,7 @@ import logging
 import traceback
 import sys
 import weakref
+import copy
 
 if sys.version_info < (3,0):
 	from . import tostring26 as tostring
@@ -308,6 +309,9 @@ class ElementBase(tostring.ToString):
 	def appendxml(self, xml):
 		self.xml.append(xml)
 		return self
+
+	def __copy__(self):
+		return self.__class__(xml=copy.copy(self.xml), parent=self.parent)
 	
 	#def __del__(self): #prevents garbage collection of reference cycle
 	#	if self.parent is not None:
@@ -386,3 +390,6 @@ class StanzaBase(ElementBase):
 	def send(self):
 		self.stream.sendRaw(self.__str__())
 
+	def __copy__(self):
+		return self.__class__(xml=copy.copy(self.xml), stream=self.stream)
+