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# Source code for slixmpp.plugins.xep_0096.stanza

    # Slixmpp: The Slick XMPP Library
    # Copyright (C) 2013 Nathanael C. Fritz, Lance J.T. Stout
    # This file is part of Slixmpp.
    # See the file LICENSE for copying permission.
    import datetime as dt

    from slixmpp.xmlstream import ElementBase, register_stanza_plugin
    from slixmpp.plugins import xep_0082

    class File(ElementBase):
        name = 'file'
        namespace = 'http://jabber.org/protocol/si/profile/file-transfer'
        plugin_attrib = 'file'
        interfaces = {'name', 'size', 'date', 'hash', 'desc'}
        sub_interfaces = {'desc'}

        def set_size(self, value):
            self._set_attr('size', str(value))

        def get_date(self):
            timestamp = self._get_attr('date')
            return xep_0082.parse(timestamp)

        def set_date(self, value):
            if isinstance(value, dt.datetime):
                value = xep_0082.format_datetime(value)
            self._set_attr('date', value)

    class Range(ElementBase):
        name = 'range'
        namespace = 'http://jabber.org/protocol/si/profile/file-transfer'
        plugin_attrib = 'range'
        interfaces = {'length', 'offset'}

        def set_length(self, value):
            self._set_attr('length', str(value))

        def set_offset(self, value):
            self._set_attr('offset', str(value))

    register_stanza_plugin(File, Range)