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# Slixmpp: The Slick XMPP Library
# Copyright (C) 2012 Nathanael C. Fritz, Lance J.T. Stout
# This file is part of Slixmpp.
# See the file LICENSE for copying permission.
import logging
from slixmpp import Presence
from slixmpp.exceptions import XMPPError
from slixmpp.plugins import BasePlugin, register_plugin
from slixmpp.xmlstream import register_stanza_plugin
from slixmpp.plugins.xep_0012 import stanza, LastActivity
log = logging.getLogger(__name__)
class XEP_0256(BasePlugin):
name = 'xep_0256'
description = 'XEP-0256: Last Activity in Presence'
dependencies = {'xep_0012'}
stanza = stanza
default_config = {
'auto_last_activity': False
}
def plugin_init(self):
register_stanza_plugin(Presence, LastActivity)
self.xmpp.add_filter('out', self._initial_presence_activity)
self.xmpp.add_event_handler('connected', self._reset_presence_activity)
self._initial_presence = set()
def plugin_end(self):
self.xmpp.del_filter('out', self._initial_presence_activity)
self.xmpp.del_event_handler('connected', self._reset_presence_activity)
def _reset_presence_activity(self, e):
self._initial_presence = set()
def _initial_presence_activity(self, stanza):
if isinstance(stanza, Presence):
use_last_activity = False
if self.auto_last_activity and stanza['show'] in ('xa', 'away'):
use_last_activity = True
if stanza['from'] not in self._initial_presence:
self._initial_presence.add(stanza['from'])
use_last_activity = True
if use_last_activity:
plugin = self.xmpp['xep_0012']
try:
result = plugin.api['get_last_activity'](stanza['from'],
None,
stanza['to'])
seconds = result['last_activity']['seconds']
except XMPPError:
seconds = None
if seconds is not None:
stanza['last_activity']['seconds'] = seconds
return stanza
register_plugin(XEP_0256)
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