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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 asyncio
import logging
from typing import Optional, Callable
from slixmpp import JID
from slixmpp.xmlstream import register_stanza_plugin, ElementBase
from slixmpp.plugins.base import BasePlugin, register_plugin
from slixmpp.plugins.xep_0004.stanza import Form
log = logging.getLogger(__name__)
class XEP_0163(BasePlugin):
"""
XEP-0163: Personal Eventing Protocol (PEP)
"""
name = 'xep_0163'
description = 'XEP-0163: Personal Eventing Protocol (PEP)'
dependencies = {'xep_0030', 'xep_0060', 'xep_0115'}
def register_pep(self, name, stanza):
"""
Setup and configure events and stanza registration for
the given PEP stanza:
- Add disco feature for the PEP content.
- Register disco interest in the PEP content.
- Map events from the PEP content's namespace to the given name.
:param str name: The event name prefix to use for PEP events.
:param stanza: The stanza class for the PEP content.
"""
pubsub_stanza = self.xmpp['xep_0060'].stanza
register_stanza_plugin(pubsub_stanza.EventItem, stanza)
self.add_interest(stanza.namespace)
self.xmpp['xep_0030'].add_feature(stanza.namespace)
self.xmpp['xep_0060'].map_node_event(stanza.namespace, name)
def add_interest(self, namespace: str, jid: Optional[JID] = None):
"""
Mark an interest in a PEP subscription by including a disco
feature with the '+notify' extension.
:param namespace: The base namespace to register as an interest, such
as 'http://jabber.org/protocol/tune'. This may also
be a list of such namespaces.
:param jid: Optionally specify the JID.
"""
if not isinstance(namespace, set) and not isinstance(namespace, list):
namespace = [namespace]
for ns in namespace:
self.xmpp['xep_0030'].add_feature('%s+notify' % ns,
jid=jid)
asyncio.ensure_future(
self.xmpp['xep_0115'].update_caps(jid, broadcast=False),
loop=self.xmpp.loop,
)
def remove_interest(self, namespace: str, jid: Optional[JID] = None):
"""
Mark an interest in a PEP subscription by including a disco
feature with the '+notify' extension.
:param namespace: The base namespace to remove as an interest, such
as 'http://jabber.org/protocol/tune'. This may also
be a list of such namespaces.
:param jid: Optionally specify the JID.
"""
if not isinstance(namespace, (set, list)):
namespace = [namespace]
for ns in namespace:
self.xmpp['xep_0030'].del_feature(jid=jid,
feature='%s+notify' % namespace)
asyncio.ensure_future(
self.xmpp['xep_0115'].update_caps(jid, broadcast=False),
loop=self.xmpp.loop,
)
def publish(self, stanza: ElementBase, node: Optional[str] = None,
id: Optional[str] = None,
options: Optional[Form] = None,
ifrom: Optional[JID] = None,
timeout_callback: Optional[Callable] = None,
callback: Optional[Callable] = None,
timeout: Optional[int] = None):
"""
Publish a PEP update.
This is just a (very) thin wrapper around the XEP-0060 publish()
method to set the defaults expected by PEP.
:param stanza: The PEP update stanza to publish.
:param node: The node to publish the item to. If not specified,
the stanza's namespace will be used.
:param id: Optionally specify the ID of the item.
:param options: A form of publish options.
"""
if node is None:
node = stanza.namespace
if id is None:
id = 'current'
return self.xmpp['xep_0060'].publish(ifrom, node, id=id,
payload=stanza.xml,
options=options, ifrom=ifrom,
callback=callback,
timeout=timeout,
timeout_callback=timeout_callback)
register_plugin(XEP_0163)
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