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# Slixmpp: The Slick XMPP Library
# Copyright (C) 2011 Nathanael C. Fritz
# This file is part of Slixmpp.
# See the file LICENSE for copying permission.
from slixmpp.stanza import Error
from slixmpp.xmlstream import ElementBase, ET, register_stanza_plugin
class PubsubErrorCondition(ElementBase):
plugin_attrib = 'pubsub'
interfaces = {'condition', 'unsupported'}
plugin_attrib_map = {}
plugin_tag_map = {}
conditions = {'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:
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:
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)
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