256 lines
7.9 KiB
Python
256 lines
7.9 KiB
Python
# Copyright 2019 miruka
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# This file is part of harmonyqml, licensed under GPLv3.
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import time
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from concurrent.futures import ThreadPoolExecutor
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from threading import Event
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from typing import DefaultDict, Tuple
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from PyQt5.QtCore import QObject, pyqtProperty, pyqtSignal, pyqtSlot
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import nio
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from .network_manager import NetworkManager
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from .pyqt_future import futurize
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# One pool per hostname/remote server;
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# multiple Client for different accounts on the same server can exist.
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_POOLS: DefaultDict[str, ThreadPoolExecutor] = \
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DefaultDict(lambda: ThreadPoolExecutor(max_workers=6))
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class Client(QObject):
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roomInvited = pyqtSignal([str, dict], [str])
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roomJoined = pyqtSignal(str)
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roomLeft = pyqtSignal([str, dict], [str])
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roomAboutToBeForgotten = pyqtSignal(str)
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roomSyncPrevBatchTokenReceived = pyqtSignal(str, str)
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roomPastPrevBatchTokenReceived = pyqtSignal(str, str)
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roomEventReceived = pyqtSignal(str, str, dict)
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roomTypingUsersUpdated = pyqtSignal(str, list)
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messageAboutToBeSent = pyqtSignal(str, dict)
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def __init__(self,
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manager,
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hostname: str,
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username: str,
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device_id: str = "") -> None:
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super().__init__(manager)
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self.manager = manager
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host, *port = hostname.split(":")
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self.host: str = host
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self.port: int = int(port[0]) if port else 443
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self.pool: ThreadPoolExecutor = _POOLS[self.host]
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self.nio: nio.client.HttpClient = \
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nio.client.HttpClient(self.host, username, device_id)
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# Since nio clients can't handle more than one talk operation
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# at a time, this one is used exclusively to poll the sync API
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self.nio_sync: nio.client.HttpClient = \
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nio.client.HttpClient(self.host, username, device_id)
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self.net = NetworkManager(self.host, self.port, self.nio)
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self.net_sync = NetworkManager(self.host, self.port, self.nio_sync)
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self._loading: bool = False
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self._stop_sync: Event = Event()
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# {room_id: (was_typing, at_timestamp_secs)}
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self._last_typing_set: DefaultDict[str, Tuple[bool, float]] = \
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DefaultDict(lambda: (False, 0))
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def __repr__(self) -> str:
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return "%s(host=%r, port=%r, user_id=%r)" % \
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(type(self).__name__, self.host, self.port, self.userId)
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@pyqtProperty(str, constant=True)
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def userId(self) -> str:
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return self.nio.user_id
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@pyqtSlot(str, result="QVariant")
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@pyqtSlot(str, str, result="QVariant")
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@futurize()
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def login(self, password: str, device_name: str = "") -> "Client":
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response = self.net.talk(self.nio.login, password, device_name)
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self.nio_sync.receive_response(response)
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return self
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@pyqtSlot(str, str, str, result="QVariant")
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@futurize()
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def resumeSession(self, user_id: str, token: str, device_id: str
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) -> "Client":
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response = nio.LoginResponse(user_id, device_id, token)
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self.nio.receive_response(response)
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self.nio_sync.receive_response(response)
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return self
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@pyqtSlot(result="QVariant")
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@futurize()
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def logout(self) -> "Client":
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self._stop_sync.set()
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self.net.http_disconnect()
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self.net_sync.http_disconnect()
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return self
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@futurize(pyqt=False)
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def startSyncing(self) -> None:
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while True:
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self._on_sync(self.net_sync.talk(
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self.nio_sync.sync, timeout=8000
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))
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if self._stop_sync.is_set():
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self._stop_sync.clear()
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break
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def _on_sync(self, response: nio.SyncResponse) -> None:
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self.nio.receive_response(response)
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for room_id, room_info in response.rooms.invite.items():
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for ev in room_info.invite_state:
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member_ev = isinstance(ev, nio.InviteMemberEvent)
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if member_ev and ev.content["membership"] == "join":
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self.roomInvited.emit(room_id, ev.content)
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break
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else:
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self.roomInvited[str].emit(room_id)
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for room_id, room_info in response.rooms.join.items():
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self.roomJoined.emit(room_id)
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self.roomSyncPrevBatchTokenReceived.emit(
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room_id, room_info.timeline.prev_batch
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)
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for ev in room_info.timeline.events:
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self.roomEventReceived.emit(
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room_id, type(ev).__name__, ev.__dict__
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)
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for ev in room_info.ephemeral:
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if isinstance(ev, nio.TypingNoticeEvent):
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self.roomTypingUsersUpdated.emit(room_id, ev.users)
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else:
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print("ephemeral event: ", ev)
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for room_id, room_info in response.rooms.leave.items():
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for ev in room_info.timeline.events:
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member_ev = isinstance(ev, nio.RoomMemberEvent)
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if member_ev and ev.content["membership"] in ("leave", "ban"):
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self.roomLeft.emit(room_id, ev.__dict__)
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break
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else:
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self.roomLeft[str].emit(room_id)
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@futurize()
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def loadPastEvents(self, room_id: str, start_token: str, limit: int = 100
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) -> None:
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# From QML, use Backend.loastPastEvents instead
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if self._loading:
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return
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self._loading = True
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self._on_past_events(
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room_id,
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self.net.talk(
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self.nio.room_messages, room_id, start=start_token, limit=limit
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)
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)
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self._loading = False
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def _on_past_events(self, room_id: str, response: nio.RoomMessagesResponse
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) -> None:
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self.roomPastPrevBatchTokenReceived.emit(room_id, response.end)
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for ev in response.chunk:
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self.roomEventReceived.emit(
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room_id, type(ev).__name__, ev.__dict__
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)
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@pyqtSlot(str, bool)
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@futurize(max_instances=1)
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def setTypingState(self, room_id: str, typing: bool) -> None:
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set_for_secs = 5
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last_set, last_time = self._last_typing_set[room_id]
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if not typing and last_set is False:
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return
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if typing and time.time() - last_time < set_for_secs - 1:
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return
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self._last_typing_set[room_id] = (typing, time.time())
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self.net.talk(
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self.nio.room_typing,
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room_id = room_id,
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typing_state = typing,
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timeout = set_for_secs * 1000,
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)
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@pyqtSlot(str, str)
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def sendMarkdown(self, room_id: str, text: str) -> None:
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html = self.manager.backend.htmlFilter.fromMarkdown(text)
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content = {
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"body": text,
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"formatted_body": html,
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"format": "org.matrix.custom.html",
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"msgtype": "m.text",
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}
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self.messageAboutToBeSent.emit(room_id, content)
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# If the thread pool workers are all occupied, and @futurize
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# wrapped sendMarkdown, the messageAboutToBeSent signal neccessary
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# for local echoes would not be sent until a thread is free.
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@futurize()
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def send(self):
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return self.net.talk(
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self.nio.room_send,
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room_id = room_id,
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message_type = "m.room.message",
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content = content,
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)
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return send(self)
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@pyqtSlot(str, result="QVariant")
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@futurize()
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def joinRoom(self, room_id: str) -> None:
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return self.net.talk(self.nio.join, room_id=room_id)
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@pyqtSlot(str, result="QVariant")
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@futurize()
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def leaveRoom(self, room_id: str) -> None:
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return self.net.talk(self.nio.room_leave, room_id=room_id)
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@pyqtSlot(str, result="QVariant")
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@futurize()
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def forgetRoom(self, room_id: str) -> None:
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self.roomAboutToBeForgotten.emit(room_id)
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return self.net.talk(self.nio.room_forget, room_id=room_id)
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