From 5ec4e4a026a5f3a3ec9c2cb6efd3dc1a4ccf580f Mon Sep 17 00:00:00 2001
From: Lance Stout <lancestout@gmail.com>
Date: Wed, 31 Aug 2011 00:40:33 -0700
Subject: Added pubsub error stanza.

iq['error']['pubsub']['condition']
iq['error']['pubsub']['unsupported']
---
 sleekxmpp/plugins/xep_0060/stanza/__init__.py      |  1 +
 sleekxmpp/plugins/xep_0060/stanza/pubsub_errors.py | 86 ++++++++++++++++++++++
 sleekxmpp/stanza/error.py                          |  2 +
 3 files changed, 89 insertions(+)
 create mode 100644 sleekxmpp/plugins/xep_0060/stanza/pubsub_errors.py

diff --git a/sleekxmpp/plugins/xep_0060/stanza/__init__.py b/sleekxmpp/plugins/xep_0060/stanza/__init__.py
index d7cd91a8..e3faf6a8 100644
--- a/sleekxmpp/plugins/xep_0060/stanza/__init__.py
+++ b/sleekxmpp/plugins/xep_0060/stanza/__init__.py
@@ -1,3 +1,4 @@
 from sleekxmpp.plugins.xep_0060.stanza.pubsub import Pubsub, Affiliation, Affiliations, Subscription, Subscriptions, SubscribeOptions, Item, Items, Create, Publish, Retract, Unsubscribe, Subscribe, Configure, Options, PubsubState, PubsubStateEvent
 from sleekxmpp.plugins.xep_0060.stanza.pubsub_owner import PubsubOwner, DefaultConfig, OwnerAffiliations, OwnerAffiliation, OwnerConfigure, OwnerDefault, OwnerDelete, OwnerPurge, OwnerRedirect, OwnerSubscriptions, OwnerSubscription
 from sleekxmpp.plugins.xep_0060.stanza.pubsub_event import Event, EventItem, EventRetract, EventItems, EventCollection, EventAssociate, EventDisassociate, EventConfiguration, EventPurge, EventSubscription
+from sleekxmpp.plugins.xep_0060.stanza.pubsub_errors import PubsubErrorCondition
diff --git a/sleekxmpp/plugins/xep_0060/stanza/pubsub_errors.py b/sleekxmpp/plugins/xep_0060/stanza/pubsub_errors.py
new file mode 100644
index 00000000..46374a35
--- /dev/null
+++ b/sleekxmpp/plugins/xep_0060/stanza/pubsub_errors.py
@@ -0,0 +1,86 @@
+"""
+    SleekXMPP: The Sleek XMPP Library
+    Copyright (C) 2011  Nathanael C. Fritz
+    This file is part of SleekXMPP.
+
+    See the file LICENSE for copying permission.
+"""
+
+from sleekxmpp.stanza import Error
+from sleekxmpp.xmlstream import ElementBase, ET, register_stanza_plugin
+
+
+class PubsubErrorCondition(ElementBase):
+
+    plugin_attrib = 'pubsub'
+    interfaces = set(('condition', 'unsupported'))
+    plugin_attrib_map = {}
+    plugin_tag_map = {}
+    conditions = set(('closed-node', 'configuration-required', 'invalid-jid',
+                      'invalid-options', 'invalid-payload', 'invalid-subid',
+                      'item-forbidden', 'item-required', 'jid-required',
+                      'max-items-exceeded', 'max-nodes-exceeded',
+                      'nodeid-required', 'not-in-roster-group',
+                      'not-subscribed', 'payload-too-big',
+                      'payload-required' 'pending-subscription',
+                      'presence-subscription-required', 'subid-required',
+                      'too-many-subscriptions', 'unsupported'))
+    condition_ns = 'http://jabber.org/protocol/pubsub#errors'
+
+    def setup(self, xml):
+        """Don't create XML for the plugin."""
+        self.xml = ET.Element('')
+
+    def get_condition(self):
+        """Return the condition element's name."""
+        for child in self.parent().xml.getchildren():
+            if "{%s}" % self.condition_ns in child.tag:
+                cond = child.tag.split('}', 1)[-1]
+                if cond in self.conditions:
+                    return cond
+        return ''
+
+    def set_condition(self, value):
+        """
+        Set the tag name of the condition element.
+
+        Arguments:
+           value -- The tag name of the condition element.
+        """
+        if value in self.conditions:
+            del self['condition']
+            cond = ET.Element("{%s}%s" % (self.condition_ns, value))
+            self.parent().xml.append(cond)
+        return self
+
+    def del_condition(self):
+        """Remove the condition element."""
+        for child in self.parent().xml.getchildren():
+            if "{%s}" % self.condition_ns in child.tag:
+                tag = child.tag.split('}', 1)[-1]
+                if tag in self.conditions:
+                    self.parent().xml.remove(child)
+        return self
+
+    def get_unsupported(self):
+        """Return the name of an unsupported feature"""
+        xml = self.parent().xml.find('{%s}unsupported' % self.condition_ns)
+        if xml is not None:
+            return xml.attrib.get('feature', '')
+        return ''
+
+    def set_unsupported(self, value):
+        """Mark a feature as unsupported"""
+        self.del_unsupported()
+        xml = ET.Element('{%s}unsupported' % self.condition_ns)
+        xml.attrib['feature'] = value
+        self.parent().xml.append(xml)
+
+    def del_unsupported(self):
+        """Delete an unsupported feature condition."""
+        xml = self.parent().xml.find('{%s}unsupported' % self.condition_ns)
+        if xml is not None:
+            self.parent().xml.remove(xml)
+
+
+register_stanza_plugin(Error, PubsubErrorCondition)
diff --git a/sleekxmpp/stanza/error.py b/sleekxmpp/stanza/error.py
index 93231a48..d985f729 100644
--- a/sleekxmpp/stanza/error.py
+++ b/sleekxmpp/stanza/error.py
@@ -53,6 +53,8 @@ class Error(ElementBase):
     plugin_attrib = 'error'
     interfaces = set(('code', 'condition', 'text', 'type'))
     sub_interfaces = set(('text',))
+    plugin_attrib_map = {}
+    plugin_tag_map = {}
     conditions = set(('bad-request', 'conflict', 'feature-not-implemented',
                       'forbidden', 'gone', 'internal-server-error',
                       'item-not-found', 'jid-malformed', 'not-acceptable',
-- 
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