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# Source code for slixmpp.plugins.xep_0297.forwarded

    # 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.

    from slixmpp import Iq, Message, Presence
    from slixmpp.plugins import BasePlugin
    from slixmpp.xmlstream import register_stanza_plugin
    from slixmpp.xmlstream.handler import Callback
    from slixmpp.xmlstream.matcher import StanzaPath
    from slixmpp.plugins.xep_0297 import stanza, Forwarded

    class XEP_0297(BasePlugin):

        name = 'xep_0297'
        description = 'XEP-0297: Stanza Forwarding'
        dependencies = {'xep_0030', 'xep_0203'}
        stanza = stanza

        def plugin_init(self):
            register_stanza_plugin(Message, Forwarded)

            # While these are marked as iterable, that is just for
            # making it easier to extract the forwarded stanza. There
            # still can be only a single forwarded stanza.
            register_stanza_plugin(Forwarded, Message, iterable=True)
            register_stanza_plugin(Forwarded, Presence, iterable=True)
            register_stanza_plugin(Forwarded, Iq, iterable=True)

            register_stanza_plugin(Forwarded, self.xmpp.plugin['xep_0203'].stanza.Delay)

            self.xmpp.register_handler(
                Callback('Forwarded Stanza',
                    StanzaPath('message/forwarded'),
                    self._handle_forwarded))

        def session_bind(self, jid):
            self.xmpp.plugin['xep_0030'].add_feature('urn:xmpp:forward:0')

        def plugin_end(self):
            self.xmpp.plugin['xep_0030'].del_feature(feature='urn:xmpp:forward:0')
            self.xmpp.remove_handler('Forwarded Stanza')

        def forward(self, stanza=None, mto=None, mbody=None, mfrom=None, delay=None):
            stanza.stream = None

            msg = self.xmpp.Message()
            msg['to'] = mto
            msg['from'] = mfrom
            msg['body'] = mbody
            msg['forwarded']['stanza'] = stanza
            if delay is not None:
                msg['forwarded']['delay']['stamp'] = delay
            msg.send()

        def _handle_forwarded(self, msg):
            self.xmpp.event('forwarded_stanza', msg)