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"""
Slixmpp: The Slick XMPP Library
Copyright (C) 2011 Nathanael C. Fritz, Lance J.T. Stout
This file is part of Slixmpp.
See the file LICENSE for copying permission.
"""
import logging
from slixmpp.stanza import Message
from slixmpp.xmlstream import register_stanza_plugin
from slixmpp.xmlstream.handler import Callback
from slixmpp.xmlstream.matcher import StanzaPath
from slixmpp.plugins import BasePlugin
from slixmpp.plugins.xep_0224 import stanza
log = logging.getLogger(__name__)
class XEP_0224(BasePlugin):
"""
XEP-0224: Attention
"""
name = 'xep_0224'
description = 'XEP-0224: Attention'
dependencies = set(['xep_0030'])
stanza = stanza
def plugin_init(self):
"""Start the XEP-0224 plugin."""
register_stanza_plugin(Message, stanza.Attention)
self.xmpp.register_handler(
Callback('Attention',
StanzaPath('message/attention'),
self._handle_attention))
def plugin_end(self):
self.xmpp['xep_0030'].del_feature(feature=stanza.Attention.namespace)
self.xmpp.remove_handler('Attention')
def session_bind(self, jid):
self.xmpp['xep_0030'].add_feature(stanza.Attention.namespace)
def request_attention(self, to, mfrom=None, mbody=''):
"""
Send an attention message with an optional body.
Arguments:
to -- The attention request recipient's JID.
mfrom -- Optionally specify the sender of the attention request.
mbody -- An optional message body to include in the request.
"""
m = self.xmpp.Message()
m['to'] = to
m['type'] = 'headline'
m['attention'] = True
if mfrom:
m['from'] = mfrom
m['body'] = mbody
m.send()
def _handle_attention(self, msg):
"""
Raise an event after receiving a message with an attention request.
Arguments:
msg -- A message stanza with an attention element.
"""
log.debug("Received attention request from: %s", msg['from'])
self.xmpp.event('attention', msg)
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