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# Source code for slixmpp.plugins.xep_0353.stanza

    # slixmpp: The Slick XMPP Library
    # Copyright (C) 2020 Emmanuel Gil Peyrot
    # This file is part of slixmpp.
    # See the file LICENSE for copying permission.
    from typing import Iterable

    from slixmpp.xmlstream import ElementBase, ET

    class JingleMessage(ElementBase):
        namespace = 'urn:xmpp:jingle-message:0'
        interfaces = {'id'}

    class Propose(JingleMessage):
        name = 'propose'
        plugin_attrib = 'jingle_propose'
        interfaces = {'id', 'descriptions'}

        def get_descriptions(self) -> list[tuple[str, str]]:
            result = []
            for desc in self.xml:
                namespace = desc.tag.split('}')[0][1:]
                media = desc.attrib['media']
                result.append((namespace, media))
            return result

        def set_descriptions(self, descriptions: Iterable[tuple[str, str]]):
            self.del_descriptions()
            for namespace, media in descriptions:
                desc = ET.Element('{%s}description' % namespace)
                desc.attrib['media'] = media
                self.xml.append(desc)

        def del_descriptions(self):
            for desc in self.xml.findall('{*}description'):
                self.xml.remove(desc)

    class Retract(JingleMessage):
        name = 'retract'
        plugin_attrib = 'jingle_retract'

    class Accept(JingleMessage):
        name = 'accept'
        plugin_attrib = 'jingle_accept'

    class Proceed(JingleMessage):
        name = 'proceed'
        plugin_attrib = 'jingle_proceed'

    class Reject(JingleMessage):
        name = 'reject'
        plugin_attrib = 'jingle_reject'