3 files changed, 57 insertions, 2 deletions
diff --git a/sleekxmpp/stanza/__init__.py b/sleekxmpp/stanza/__init__.py
index dbf7b86f..4bd37dc5 100644
--- a/sleekxmpp/stanza/__init__.py
+++ b/sleekxmpp/stanza/__init__.py
@@ -8,7 +8,8 @@
 
 
 from sleekxmpp.stanza.error import Error
-from sleekxmpp.stanza.stream_error import StreamError
 from sleekxmpp.stanza.iq import Iq
 from sleekxmpp.stanza.message import Message
 from sleekxmpp.stanza.presence import Presence
+from sleekxmpp.stanza.stream_features import StreamFeatures
+from sleekxmpp.stanza.stream_error import StreamError
diff --git a/sleekxmpp/stanza/error.py b/sleekxmpp/stanza/error.py
index 5d1ce50d..93231a48 100644
--- a/sleekxmpp/stanza/error.py
+++ b/sleekxmpp/stanza/error.py
@@ -88,7 +88,9 @@ class Error(ElementBase):
         """Return the condition element's name."""
         for child in self.xml.getchildren():
             if "{%s}" % self.condition_ns in child.tag:
-                return child.tag.split('}', 1)[-1]
+                cond = child.tag.split('}', 1)[-1]
+                if cond in self.conditions:
+                    return cond
         return ''
 
     def set_condition(self, value):
diff --git a/sleekxmpp/stanza/stream_features.py b/sleekxmpp/stanza/stream_features.py
new file mode 100644
index 00000000..5be2e55f
--- /dev/null
+++ b/sleekxmpp/stanza/stream_features.py
@@ -0,0 +1,52 @@
+"""
+    SleekXMPP: The Sleek XMPP Library
+    Copyright (C) 2010  Nathanael C. Fritz
+    This file is part of SleekXMPP.
+
+    See the file LICENSE for copying permission.
+"""
+
+from sleekxmpp.xmlstream import ElementBase, StanzaBase, ET
+from sleekxmpp.xmlstream import register_stanza_plugin
+
+
+class StreamFeatures(StanzaBase):
+
+    """
+    """
+
+    name = 'features'
+    namespace = 'http://etherx.jabber.org/streams'
+    interfaces = set(('features', 'required', 'optional'))
+    sub_interfaces = interfaces
+
+    def setup(self, xml):
+        StanzaBase.setup(self, xml)
+        self.values = self.values
+
+    def get_features(self):
+        """
+        """
+        return self.plugins
+
+    def set_features(self, value):
+        """
+        """
+        pass
+
+    def del_features(self):
+        """
+        """
+        pass
+
+    def get_required(self):
+        """
+        """
+        features = self['features']
+        return [f for n, f in features.items() if f['required']]
+
+    def get_optional(self):
+        """
+        """
+        features = self['features']
+        return [f for n, f in features.items() if not f['required']]