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# Copyright (C) 2018 Philipp Hörist <philipp AT hoerist.com>
#
# This file is part of nbxmpp.
#
# SPDX-License-Identifier: GPL-3.0-or-later
from __future__ import annotations
from typing import TYPE_CHECKING
from nbxmpp.const import Chatstate
from nbxmpp.modules.base import BaseModule
from nbxmpp.namespaces import Namespace
from nbxmpp.protocol import Message
from nbxmpp.structs import MessageProperties
from nbxmpp.structs import StanzaHandler
if TYPE_CHECKING:
from nbxmpp.client import Client
class Chatstates(BaseModule):
def __init__(self, client: Client) -> None:
BaseModule.__init__(self, client)
self._client = client
self.handlers = [
StanzaHandler(
name="message",
callback=self._process_message_chatstate,
ns=Namespace.CHATSTATES,
priority=15,
),
]
def _process_message_chatstate(
self, _client: Client, stanza: Message, properties: MessageProperties
) -> None:
try:
chatstate = parse_chatstate(stanza)
except ValueError as error:
self._log.warning("Invalid chatstate: %s", error)
self._log.warning(stanza)
return
if chatstate is None:
return
if properties.is_mam_message:
return
properties.chatstate = chatstate
def parse_chatstate(stanza: Message) -> Chatstate | None:
children = stanza.getChildren()
for child in children:
if child.getNamespace() == Namespace.CHATSTATES:
return Chatstate(child.getName())
return None
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