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"""
    SleekXMPP: The Sleek XMPP Library
    Copyright (C) 2011 Nathanael C. Fritz, Lance J.T. Stout
    This file is part of SleekXMPP.

    See the file LICENSE for copying permission.
"""

import logging

from sleekxmpp.plugins.base import base_plugin


log = logging.getLogger(__name__)


class xep_0163(base_plugin):

    """
    XEP-0163: Personal Eventing Protocol (PEP)
    """

    def plugin_init(self):
        self.xep = '0163'
        self.description = 'Personal Eventing Protocol'

    def add_interest(self, namespace, jid=None):
        """
        Mark an interest in a PEP subscription by including a disco
        feature with the '+notify' extension.

        Arguments:
            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.
            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)
        self.xmpp['xep_0115'].update_caps(jid)

    def remove_interest(self, namespace, jid=None):
        """
        Mark an interest in a PEP subscription by including a disco
        feature with the '+notify' extension.

        Arguments:
            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.
            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'].del_feature(jid=jid,
                                              feature='%s+notify' % namespace)
        self.xmpp['xep_0115'].update_caps(jid)

    def publish(self, stanza, node=None, id=None, options=None, ifrom=None,
                block=True, callback=None, timeout=None):
        """
        Publish a PEP update.

        This is just a thin wrapper around the XEP-0060 publish() method
        to set the defaults expected by PEP.

        Arguments:
            stanza   -- The PEP update stanza to publish.
            node     -- The node to publish the item to. If not specified,
                        the stanza's namespace will be used.
            id       -- Optionally specify the ID of the item.
            options  -- A form of publish options.
            ifrom    -- Specify the sender's JID.
            block    -- Specify if the send call will block until a response
                        is received, or a timeout occurs. Defaults to True.
            timeout  -- The length of time (in seconds) to wait for a response
                        before exiting the send call if blocking is used.
                        Defaults to sleekxmpp.xmlstream.RESPONSE_TIMEOUT
            callback -- Optional reference to a stream handler function. Will
                        be executed when a reply stanza is received.
        """
        if node is None:
            node = stanza.namespace

        return self.xmpp['xep_0060'].publish(ifrom, node,
                payload=stanza.xml,
                options=options,
                ifrom=ifrom,
                block=block,
                callback=callback,
                timeout=timeout)