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# Copyright (C) 2018 Philipp Hörist <philipp AT hoerist.com>
#
# This file is part of nbxmpp.
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 3
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; If not, see <http://www.gnu.org/licenses/>.
from nbxmpp.namespaces import Namespace
from nbxmpp.structs import StanzaHandler
from nbxmpp.const import PresenceType
from nbxmpp.const import AvatarState
from nbxmpp.modules.base import BaseModule
class VCardAvatar(BaseModule):
def __init__(self, client):
BaseModule.__init__(self, client)
self._client = client
self.handlers = [
StanzaHandler(name='presence',
callback=self._process_avatar,
ns=Namespace.VCARD_UPDATE,
priority=15)
]
def _process_avatar(self, _client, stanza, properties):
if properties.type != PresenceType.AVAILABLE:
return
update = stanza.getTag('x', namespace=Namespace.VCARD_UPDATE)
if update is None:
return
avatar_sha = update.getTagData('photo')
if avatar_sha is None:
properties.avatar_state = AvatarState.NOT_READY
self._log.info('%s is not ready to promote an avatar',
stanza.getFrom())
# Empty update element, ignore
return
if avatar_sha == '':
properties.avatar_state = AvatarState.EMPTY
self._log.info('%s empty avatar advertised', stanza.getFrom())
return
properties.avatar_sha = avatar_sha
properties.avatar_state = AvatarState.ADVERTISED
self._log.info('%s advertises %s', stanza.getFrom(), avatar_sha)
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